diff options
| author | David S. Miller <davem@davemloft.net> | 2018-04-21 23:31:52 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-21 23:32:48 +0300 |
| commit | e0ada51db907ed2db5d46ad7ff86a8b5df68e59b (patch) | |
| tree | 858966cee69ad8a50e59c4e02dcbde6ba2916151 /drivers | |
| parent | 0638eb573cde5888c0886c7f35da604e5db209a6 (diff) | |
| parent | 83beed7b2b26f232d782127792dd0cd4362fdc41 (diff) | |
| download | linux-e0ada51db907ed2db5d46ad7ff86a8b5df68e59b.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts were simple overlapping changes in microchip
driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
374 files changed, 18366 insertions, 7867 deletions
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 44abb8a0a5e5..be076606d30e 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -671,7 +671,7 @@ static void ia_tx_poll (IADEV *iadev) { if ((vcc->pop) && (skb1->len != 0)) { vcc->pop(vcc, skb1); - IF_EVENT(printk("Tansmit Done - skb 0x%lx return\n", + IF_EVENT(printk("Transmit Done - skb 0x%lx return\n", (long)skb1);) } else @@ -1665,7 +1665,7 @@ static void tx_intr(struct atm_dev *dev) status = readl(iadev->seg_reg+SEG_INTR_STATUS_REG); if (status & TRANSMIT_DONE){ - IF_EVENT(printk("Tansmit Done Intr logic run\n");) + IF_EVENT(printk("Transmit Done Intr logic run\n");) spin_lock_irqsave(&iadev->tx_lock, flags); ia_tx_poll(iadev); spin_unlock_irqrestore(&iadev->tx_lock, flags); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 264abaaff662..c9d04497a415 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1103,11 +1103,15 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info) if (info->lo_encrypt_type) { unsigned int type = info->lo_encrypt_type; - if (type >= MAX_LO_CRYPT) - return -EINVAL; + if (type >= MAX_LO_CRYPT) { + err = -EINVAL; + goto exit; + } xfer = xfer_funcs[type]; - if (xfer == NULL) - return -EINVAL; + if (xfer == NULL) { + err = -EINVAL; + goto exit; + } } else xfer = NULL; @@ -1283,12 +1287,13 @@ static int loop_get_status_old(struct loop_device *lo, struct loop_info __user *arg) { struct loop_info info; struct loop_info64 info64; - int err = 0; + int err; - if (!arg) - err = -EINVAL; - if (!err) - err = loop_get_status(lo, &info64); + if (!arg) { + mutex_unlock(&lo->lo_ctl_mutex); + return -EINVAL; + } + err = loop_get_status(lo, &info64); if (!err) err = loop_info64_to_old(&info64, &info); if (!err && copy_to_user(arg, &info, sizeof(info))) @@ -1300,12 +1305,13 @@ loop_get_status_old(struct loop_device *lo, struct loop_info __user *arg) { static int loop_get_status64(struct loop_device *lo, struct loop_info64 __user *arg) { struct loop_info64 info64; - int err = 0; + int err; - if (!arg) - err = -EINVAL; - if (!err) - err = loop_get_status(lo, &info64); + if (!arg) { + mutex_unlock(&lo->lo_ctl_mutex); + return -EINVAL; + } + err = loop_get_status(lo, &info64); if (!err && copy_to_user(arg, &info64, sizeof(info64))) err = -EFAULT; @@ -1529,12 +1535,13 @@ loop_get_status_compat(struct loop_device *lo, struct compat_loop_info __user *arg) { struct loop_info64 info64; - int err = 0; + int err; - if (!arg) - err = -EINVAL; - if (!err) - err = loop_get_status(lo, &info64); + if (!arg) { + mutex_unlock(&lo->lo_ctl_mutex); + return -EINVAL; + } + err = loop_get_status(lo, &info64); if (!err) err = loop_info64_to_compat(&info64, arg); return err; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 07dc5419bd63..8e8b04cc569a 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -732,6 +732,7 @@ static struct rbd_client *rbd_client_find(struct ceph_options *ceph_opts) */ enum { Opt_queue_depth, + Opt_lock_timeout, Opt_last_int, /* int args above */ Opt_last_string, @@ -740,11 +741,13 @@ enum { Opt_read_write, Opt_lock_on_read, Opt_exclusive, + Opt_notrim, Opt_err }; static match_table_t rbd_opts_tokens = { {Opt_queue_depth, "queue_depth=%d"}, + {Opt_lock_timeout, "lock_timeout=%d"}, /* int args above */ /* string args above */ {Opt_read_only, "read_only"}, @@ -753,20 +756,25 @@ static match_table_t rbd_opts_tokens = { {Opt_read_write, "rw"}, /* Alternate spelling */ {Opt_lock_on_read, "lock_on_read"}, {Opt_exclusive, "exclusive"}, + {Opt_notrim, "notrim"}, {Opt_err, NULL} }; struct rbd_options { int queue_depth; + unsigned long lock_timeout; bool read_only; bool lock_on_read; bool exclusive; + bool trim; }; #define RBD_QUEUE_DEPTH_DEFAULT BLKDEV_MAX_RQ +#define RBD_LOCK_TIMEOUT_DEFAULT 0 /* no timeout */ #define RBD_READ_ONLY_DEFAULT false #define RBD_LOCK_ON_READ_DEFAULT false #define RBD_EXCLUSIVE_DEFAULT false +#define RBD_TRIM_DEFAULT true static int parse_rbd_opts_token(char *c, void *private) { @@ -796,6 +804,14 @@ static int parse_rbd_opts_token(char *c, void *private) } rbd_opts->queue_depth = intval; break; + case Opt_lock_timeout: + /* 0 is "wait forever" (i.e. infinite timeout) */ + if (intval < 0 || intval > INT_MAX / 1000) { + pr_err("lock_timeout out of range\n"); + return -EINVAL; + } + rbd_opts->lock_timeout = msecs_to_jiffies(intval * 1000); + break; case Opt_read_only: rbd_opts->read_only = true; break; @@ -808,6 +824,9 @@ static int parse_rbd_opts_token(char *c, void *private) case Opt_exclusive: rbd_opts->exclusive = true; break; + case Opt_notrim: + rbd_opts->trim = false; + break; default: /* libceph prints "bad option" msg */ return -EINVAL; @@ -1392,7 +1411,7 @@ static bool rbd_img_is_write(struct rbd_img_request *img_req) case OBJ_OP_DISCARD: return true; default: - rbd_assert(0); + BUG(); } } @@ -2466,7 +2485,7 @@ again: } return false; default: - rbd_assert(0); + BUG(); } } @@ -2494,7 +2513,7 @@ static bool __rbd_obj_handle_request(struct rbd_obj_request *obj_req) } return false; default: - rbd_assert(0); + BUG(); } } @@ -3533,9 +3552,22 @@ static int rbd_obj_method_sync(struct rbd_device *rbd_dev, /* * lock_rwsem must be held for read */ -static void rbd_wait_state_locked(struct rbd_device *rbd_dev) +static int rbd_wait_state_locked(struct rbd_device *rbd_dev, bool may_acquire) { DEFINE_WAIT(wait); + unsigned long timeout; + int ret = 0; + + if (test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)) + return -EBLACKLISTED; + + if (rbd_dev->lock_state == RBD_LOCK_STATE_LOCKED) + return 0; + + if (!may_acquire) { + rbd_warn(rbd_dev, "exclusive lock required"); + return -EROFS; + } do { /* @@ -3547,12 +3579,22 @@ static void rbd_wait_state_locked(struct rbd_device *rbd_dev) prepare_to_wait_exclusive(&rbd_dev->lock_waitq, &wait, TASK_UNINTERRUPTIBLE); up_read(&rbd_dev->lock_rwsem); - schedule(); + timeout = schedule_timeout(ceph_timeout_jiffies( + rbd_dev->opts->lock_timeout)); down_read(&rbd_dev->lock_rwsem); - } while (rbd_dev->lock_state != RBD_LOCK_STATE_LOCKED && - !test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)); + if (test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)) { + ret = -EBLACKLISTED; + break; + } + if (!timeout) { + rbd_warn(rbd_dev, "timed out waiting for lock"); + ret = -ETIMEDOUT; + break; + } + } while (rbd_dev->lock_state != RBD_LOCK_STATE_LOCKED); finish_wait(&rbd_dev->lock_waitq, &wait); + return ret; } static void rbd_queue_workfn(struct work_struct *work) @@ -3638,19 +3680,10 @@ static void rbd_queue_workfn(struct work_struct *work) (op_type != OBJ_OP_READ || rbd_dev->opts->lock_on_read); if (must_be_locked) { down_read(&rbd_dev->lock_rwsem); - if (rbd_dev->lock_state != RBD_LOCK_STATE_LOCKED && - !test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)) { - if (rbd_dev->opts->exclusive) { - rbd_warn(rbd_dev, "exclusive lock required"); - result = -EROFS; - goto err_unlock; - } - rbd_wait_state_locked(rbd_dev); - } - if (test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)) { - result = -EBLACKLISTED; + result = rbd_wait_state_locked(rbd_dev, + !rbd_dev->opts->exclusive); + if (result) goto err_unlock; - } } img_request = rbd_img_request_create(rbd_dev, op_type, snapc); @@ -3902,7 +3935,8 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) { struct gendisk *disk; struct request_queue *q; - u64 segment_size; + unsigned int objset_bytes = + rbd_dev->layout.object_size * rbd_dev->layout.stripe_count; int err; /* create gendisk info */ @@ -3942,20 +3976,19 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) blk_queue_flag_set(QUEUE_FLAG_NONROT, q); /* QUEUE_FLAG_ADD_RANDOM is off by default for blk-mq */ - /* set io sizes to object size */ - segment_size = rbd_obj_bytes(&rbd_dev->header); - blk_queue_max_hw_sectors(q, segment_size / SECTOR_SIZE); + blk_queue_max_hw_sectors(q, objset_bytes >> SECTOR_SHIFT); q->limits.max_sectors = queue_max_hw_sectors(q); blk_queue_max_segments(q, USHRT_MAX); blk_queue_max_segment_size(q, UINT_MAX); - blk_queue_io_min(q, segment_size); - blk_queue_io_opt(q, segment_size); + blk_queue_io_min(q, objset_bytes); + blk_queue_io_opt(q, objset_bytes); - /* enable the discard support */ - blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); - q->limits.discard_granularity = segment_size; - blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE); - blk_queue_max_write_zeroes_sectors(q, segment_size / SECTOR_SIZE); + if (rbd_dev->opts->trim) { + blk_queue_flag_set(QUEUE_FLAG_DISCARD, q); + q->limits.discard_granularity = objset_bytes; + blk_queue_max_discard_sectors(q, objset_bytes >> SECTOR_SHIFT); + blk_queue_max_write_zeroes_sectors(q, objset_bytes >> SECTOR_SHIFT); + } if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; @@ -5179,8 +5212,10 @@ static int rbd_add_parse_args(const char *buf, rbd_opts->read_only = RBD_READ_ONLY_DEFAULT; rbd_opts->queue_depth = RBD_QUEUE_DEPTH_DEFAULT; + rbd_opts->lock_timeout = RBD_LOCK_TIMEOUT_DEFAULT; rbd_opts->lock_on_read = RBD_LOCK_ON_READ_DEFAULT; rbd_opts->exclusive = RBD_EXCLUSIVE_DEFAULT; + rbd_opts->trim = RBD_TRIM_DEFAULT; copts = ceph_parse_options(options, mon_addrs, mon_addrs + mon_addrs_size - 1, @@ -5216,6 +5251,8 @@ static void rbd_dev_image_unlock(struct rbd_device *rbd_dev) static int rbd_add_acquire_lock(struct rbd_device *rbd_dev) { + int ret; + if (!(rbd_dev->header.features & RBD_FEATURE_EXCLUSIVE_LOCK)) { rbd_warn(rbd_dev, "exclusive-lock feature is not enabled"); return -EINVAL; @@ -5223,9 +5260,9 @@ static int rbd_add_acquire_lock(struct rbd_device *rbd_dev) /* FIXME: "rbd map --exclusive" should be in interruptible */ down_read(&rbd_dev->lock_rwsem); - rbd_wait_state_locked(rbd_dev); + ret = rbd_wait_state_locked(rbd_dev, true); up_read(&rbd_dev->lock_rwsem); - if (test_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags)) { + if (ret) { rbd_warn(rbd_dev, "failed to acquire exclusive lock"); return -EROFS; } diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 7ae23b25b406..41492e980ef4 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -55,8 +55,10 @@ config COMMON_CLK_RK808 by control register. config COMMON_CLK_HI655X - tristate "Clock driver for Hi655x" - depends on MFD_HI655X_PMIC || COMPILE_TEST + tristate "Clock driver for Hi655x" if EXPERT + depends on (MFD_HI655X_PMIC || COMPILE_TEST) + depends on REGMAP + default MFD_HI655X_PMIC ---help--- This driver supports the hi655x PMIC clock. This multi-function device has one fixed-rate oscillator, clocked @@ -101,6 +103,15 @@ config COMMON_CLK_SI514 This driver supports the Silicon Labs 514 programmable clock generator. +config COMMON_CLK_SI544 + tristate "Clock driver for SiLabs 544 devices" + depends on I2C + select REGMAP_I2C + help + ---help--- + This driver supports the Silicon Labs 544 programmable clock + generator. + config COMMON_CLK_SI570 tristate "Clock driver for SiLabs 570 and compatible devices" depends on I2C @@ -248,6 +259,26 @@ config COMMON_CLK_VC5 This driver supports the IDT VersaClock 5 and VersaClock 6 programmable clock generators. +config COMMON_CLK_STM32MP157 + def_bool COMMON_CLK && MACH_STM32MP157 + help + ---help--- + Support for stm32mp157 SoC family clocks + +config COMMON_CLK_STM32F + bool "Clock driver for stm32f4 and stm32f7 SoC families" + depends on MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746 + help + ---help--- + Support for stm32f4 and stm32f7 SoC families clocks + +config COMMON_CLK_STM32H7 + bool "Clock driver for stm32h7 SoC family" + depends on MACH_STM32H743 + help + ---help--- + Support for stm32h7 SoC family clocks + source "drivers/clk/bcm/Kconfig" source "drivers/clk/hisilicon/Kconfig" source "drivers/clk/imgtec/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 6605513eaa94..de6d06ac790b 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -45,9 +45,11 @@ obj-$(CONFIG_COMMON_CLK_SCMI) += clk-scmi.o obj-$(CONFIG_COMMON_CLK_SCPI) += clk-scpi.o obj-$(CONFIG_COMMON_CLK_SI5351) += clk-si5351.o obj-$(CONFIG_COMMON_CLK_SI514) += clk-si514.o +obj-$(CONFIG_COMMON_CLK_SI544) += clk-si544.o obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o -obj-$(CONFIG_ARCH_STM32) += clk-stm32f4.o -obj-$(CONFIG_ARCH_STM32) += clk-stm32h7.o +obj-$(CONFIG_COMMON_CLK_STM32F) += clk-stm32f4.o +obj-$(CONFIG_COMMON_CLK_STM32H7) += clk-stm32h7.o +obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o obj-$(CONFIG_ARCH_TANGO) += clk-tango4.o obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o obj-$(CONFIG_ARCH_U300) += clk-u300.o @@ -62,6 +64,7 @@ obj-$(CONFIG_ARCH_ARTPEC) += axis/ obj-$(CONFIG_ARC_PLAT_AXS10X) += axs10x/ obj-y += bcm/ obj-$(CONFIG_ARCH_BERLIN) += berlin/ +obj-$(CONFIG_ARCH_DAVINCI) += davinci/ obj-$(CONFIG_H8300) += h8300/ obj-$(CONFIG_ARCH_HISI) += hisilicon/ obj-y += imgtec/ @@ -89,6 +92,7 @@ obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/ obj-$(CONFIG_PLAT_SPEAR) += spear/ obj-$(CONFIG_ARCH_SPRD) += sprd/ obj-$(CONFIG_ARCH_STI) += st/ +obj-$(CONFIG_ARCH_STRATIX10) += socfpga/ obj-$(CONFIG_ARCH_SUNXI) += sunxi/ obj-$(CONFIG_ARCH_SUNXI) += sunxi-ng/ obj-$(CONFIG_ARCH_TEGRA) += tegra/ diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index a07f6451694a..fa0d5c8611a0 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -602,9 +602,7 @@ static void bcm2835_pll_off(struct clk_hw *hw) const struct bcm2835_pll_data *data = pll->data; spin_lock(&cprman->regs_lock); - cprman_write(cprman, data->cm_ctrl_reg, - cprman_read(cprman, data->cm_ctrl_reg) | - CM_PLL_ANARST); + cprman_write(cprman, data->cm_ctrl_reg, CM_PLL_ANARST); cprman_write(cprman, data->a2w_ctrl_reg, cprman_read(cprman, data->a2w_ctrl_reg) | A2W_PLL_CTRL_PWRDN); @@ -640,6 +638,10 @@ static int bcm2835_pll_on(struct clk_hw *hw) cpu_relax(); } + cprman_write(cprman, data->a2w_ctrl_reg, + cprman_read(cprman, data->a2w_ctrl_reg) | + A2W_PLL_CTRL_PRST_DISABLE); + return 0; } diff --git a/drivers/clk/clk-cs2000-cp.c b/drivers/clk/clk-cs2000-cp.c index e8ea81c30f0c..c58019750b7e 100644 --- a/drivers/clk/clk-cs2000-cp.c +++ b/drivers/clk/clk-cs2000-cp.c @@ -549,7 +549,7 @@ static int cs2000_resume(struct device *dev) } static const struct dev_pm_ops cs2000_pm_ops = { - .resume_early = cs2000_resume, + SET_LATE_SYSTEM_SLEEP_PM_OPS(NULL, cs2000_resume) }; static struct i2c_driver cs2000_driver = { diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c index b49942b9fe50..b6234a5da12d 100644 --- a/drivers/clk/clk-divider.c +++ b/drivers/clk/clk-divider.c @@ -28,12 +28,10 @@ * parent - fixed parent. No clk_set_parent support */ -#define div_mask(width) ((1 << (width)) - 1) - static unsigned int _get_table_maxdiv(const struct clk_div_table *table, u8 width) { - unsigned int maxdiv = 0, mask = div_mask(width); + unsigned int maxdiv = 0, mask = clk_div_mask(width); const struct clk_div_table *clkt; for (clkt = table; clkt->div; clkt++) @@ -57,12 +55,12 @@ static unsigned int _get_maxdiv(const struct clk_div_table *table, u8 width, unsigned long flags) { if (flags & CLK_DIVIDER_ONE_BASED) - return div_mask(width); + return clk_div_mask(width); if (flags & CLK_DIVIDER_POWER_OF_TWO) - return 1 << div_mask(width); + return 1 << clk_div_mask(width); if (table) return _get_table_maxdiv(table, width); - return div_mask(width) + 1; + return clk_div_mask(width) + 1; } static unsigned int _get_table_div(const struct clk_div_table *table, @@ -84,7 +82,7 @@ static unsigned int _get_div(const struct clk_div_table *table, if (flags & CLK_DIVIDER_POWER_OF_TWO) return 1 << val; if (flags & CLK_DIVIDER_MAX_AT_ZERO) - return val ? val : div_mask(width) + 1; + return val ? val : clk_div_mask(width) + 1; if (table) return _get_table_div(table, val); return val + 1; @@ -109,7 +107,7 @@ static unsigned int _get_val(const struct clk_div_table *table, if (flags & CLK_DIVIDER_POWER_OF_TWO) return __ffs(div); if (flags & CLK_DIVIDER_MAX_AT_ZERO) - return (div == div_mask(width) + 1) ? 0 : div; + return (div == clk_div_mask(width) + 1) ? 0 : div; if (table) return _get_table_val(table, div); return div - 1; @@ -141,7 +139,7 @@ static unsigned long clk_divider_recalc_rate(struct clk_hw *hw, unsigned int val; val = clk_readl(divider->reg) >> divider->shift; - val &= div_mask(divider->width); + val &= clk_div_mask(divider->width); return divider_recalc_rate(hw, parent_rate, val, divider->table, divider->flags, divider->width); @@ -344,19 +342,43 @@ long divider_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent, } EXPORT_SYMBOL_GPL(divider_round_rate_parent); +long divider_ro_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent, + unsigned long rate, unsigned long *prate, + const struct clk_div_table *table, u8 width, + unsigned long flags, unsigned int val) +{ + int div; + + div = _get_div(table, val, flags, width); + + /* Even a read-only clock can propagate a rate change */ + if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) { + if (!parent) + return -EINVAL; + + *prate = clk_hw_round_rate(parent, rate * div); + } + + return DIV_ROUND_UP_ULL((u64)*prate, div); +} +EXPORT_SYMBOL_GPL(divider_ro_round_rate_parent); + + static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) { struct clk_divider *divider = to_clk_divider(hw); - int bestdiv; /* if read only, just return current value */ if (divider->flags & CLK_DIVIDER_READ_ONLY) { - bestdiv = clk_readl(divider->reg) >> divider->shift; - bestdiv &= div_mask(divider->width); - bestdiv = _get_div(divider->table, bestdiv, divider->flags, - divider->width); - return DIV_ROUND_UP_ULL((u64)*prate, bestdiv); + u32 val; + + val = clk_readl(divider->reg) >> divider->shift; + val &= clk_div_mask(divider->width); + + return divider_ro_round_rate(hw, rate, prate, divider->table, + divider->width, divider->flags, + val); } return divider_round_rate(hw, rate, prate, divider->table, @@ -376,7 +398,7 @@ int divider_get_val(unsigned long rate, unsigned long parent_rate, value = _get_val(table, div, flags, width); - return min_t(unsigned int, value, div_mask(width)); + return min_t(unsigned int, value, clk_div_mask(width)); } EXPORT_SYMBOL_GPL(divider_get_val); @@ -399,10 +421,10 @@ static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, __acquire(divider->lock); if (divider->flags & CLK_DIVIDER_HIWORD_MASK) { - val = div_mask(divider->width) << (divider->shift + 16); + val = clk_div_mask(divider->width) << (divider->shift + 16); } else { val = clk_readl(divider->reg); - val &= ~(div_mask(divider->width) << divider->shift); + val &= ~(clk_div_mask(divider->width) << divider->shift); } val |= (u32)value << divider->shift; clk_writel(val, divider->reg); diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 151513c655c3..40af4fbab4d2 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -73,14 +73,14 @@ static u8 clk_gpio_mux_get_parent(struct clk_hw *hw) { struct clk_gpio *clk = to_clk_gpio(hw); - return gpiod_get_value(clk->gpiod); + return gpiod_get_value_cansleep(clk->gpiod); } static int clk_gpio_mux_set_parent(struct clk_hw *hw, u8 index) { struct clk_gpio *clk = to_clk_gpio(hw); - gpiod_set_value(clk->gpiod, index); + gpiod_set_value_cansleep(clk->gpiod, index); return 0; } diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index 39cabe157163..ac4a042f8658 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -26,35 +26,24 @@ * parent - parent is adjustable through clk_set_parent */ -static u8 clk_mux_get_parent(struct clk_hw *hw) +int clk_mux_val_to_index(struct clk_hw *hw, u32 *table, unsigned int flags, + unsigned int val) { - struct clk_mux *mux = to_clk_mux(hw); int num_parents = clk_hw_get_num_parents(hw); - u32 val; - /* - * FIXME need a mux-specific flag to determine if val is bitwise or numeric - * e.g. sys_clkin_ck's clksel field is 3 bits wide, but ranges from 0x1 - * to 0x7 (index starts at one) - * OTOH, pmd_trace_clk_mux_ck uses a separate bit for each clock, so - * val = 0x4 really means "bit 2, index starts at bit 0" - */ - val = clk_readl(mux->reg) >> mux->shift; - val &= mux->mask; - - if (mux->table) { + if (table) { int i; for (i = 0; i < num_parents; i++) - if (mux->table[i] == val) + if (table[i] == val) return i; return -EINVAL; } - if (val && (mux->flags & CLK_MUX_INDEX_BIT)) + if (val && (flags & CLK_MUX_INDEX_BIT)) val = ffs(val) - 1; - if (val && (mux->flags & CLK_MUX_INDEX_ONE)) + if (val && (flags & CLK_MUX_INDEX_ONE)) val--; if (val >= num_parents) @@ -62,36 +51,58 @@ static u8 clk_mux_get_parent(struct clk_hw *hw) return val; } +EXPORT_SYMBOL_GPL(clk_mux_val_to_index); -static int clk_mux_set_parent(struct clk_hw *hw, u8 index) +unsigned int clk_mux_index_to_val(u32 *table, unsigned int flags, u8 index) { - struct clk_mux *mux = to_clk_mux(hw); - u32 val; - unsigned long flags = 0; + unsigned int val = index; - if (mux->table) { - index = mux->table[index]; + if (table) { + val = table[index]; } else { - if (mux->flags & CLK_MUX_INDEX_BIT) - index = 1 << index; + if (flags & CLK_MUX_INDEX_BIT) + val = 1 << index; - if (mux->flags & CLK_MUX_INDEX_ONE) - index++; + if (flags & CLK_MUX_INDEX_ONE) + val++; } + return val; +} +EXPORT_SYMBOL_GPL(clk_mux_index_to_val); + +static u8 clk_mux_get_parent(struct clk_hw *hw) +{ + struct clk_mux *mux = to_clk_mux(hw); + u32 val; + + val = clk_readl(mux->reg) >> mux->shift; + val &= mux->mask; + + return clk_mux_val_to_index(hw, mux->table, mux->flags, val); +} + +static int clk_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_mux *mux = to_clk_mux(hw); + u32 val = clk_mux_index_to_val(mux->table, mux->flags, index); + unsigned long flags = 0; + u32 reg; + if (mux->lock) spin_lock_irqsave(mux->lock, flags); else __acquire(mux->lock); if (mux->flags & CLK_MUX_HIWORD_MASK) { - val = mux->mask << (mux->shift + 16); + reg = mux->mask << (mux->shift + 16); } else { - val = clk_readl(mux->reg); - val &= ~(mux->mask << mux->shift); + reg = clk_readl(mux->reg); + reg &= ~(mux->mask << mux->shift); } - val |= index << mux->shift; - clk_writel(val, mux->reg); + val = val << mux->shift; + reg |= val; + clk_writel(reg, mux->reg); if (mux->lock) spin_unlock_irqrestore(mux->lock, flags); diff --git a/drivers/clk/clk-si544.c b/drivers/clk/clk-si544.c new file mode 100644 index 000000000000..1c96a9f6c022 --- /dev/null +++ b/drivers/clk/clk-si544.c @@ -0,0 +1,411 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for Silicon Labs Si544 Programmable Oscillator + * Copyright (C) 2018 Topic Embedded Products + * Author: Mike Looijmans <mike.looijmans@topic.nl> + */ + +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +/* I2C registers (decimal as in datasheet) */ +#define SI544_REG_CONTROL 7 +#define SI544_REG_OE_STATE 17 +#define SI544_REG_HS_DIV 23 +#define SI544_REG_LS_HS_DIV 24 +#define SI544_REG_FBDIV0 26 +#define SI544_REG_FBDIV8 27 +#define SI544_REG_FBDIV16 28 +#define SI544_REG_FBDIV24 29 +#define SI544_REG_FBDIV32 30 +#define SI544_REG_FBDIV40 31 +#define SI544_REG_FCAL_OVR 69 +#define SI544_REG_ADPLL_DELTA_M0 231 +#define SI544_REG_ADPLL_DELTA_M8 232 +#define SI544_REG_ADPLL_DELTA_M16 233 +#define SI544_REG_PAGE_SELECT 255 + +/* Register values */ +#define SI544_CONTROL_RESET BIT(7) +#define SI544_CONTROL_MS_ICAL2 BIT(3) + +#define SI544_OE_STATE_ODC_OE BIT(0) + +/* Max freq depends on speed grade */ +#define SI544_MIN_FREQ 200000U + +/* Si544 Internal oscilator runs at 55.05 MHz */ +#define FXO 55050000U + +/* VCO range is 10.8 .. 12.1 GHz, max depends on speed grade */ +#define FVCO_MIN 10800000000ULL + +#define HS_DIV_MAX 2046 +#define HS_DIV_MAX_ODD 33 + +/* Lowest frequency synthesizeable using only the HS divider */ +#define MIN_HSDIV_FREQ (FVCO_MIN / HS_DIV_MAX) + +enum si544_speed_grade { + si544a, + si544b, + si544c, +}; + +struct clk_si544 { + struct clk_hw hw; + struct regmap *regmap; + struct i2c_client *i2c_client; + enum si544_speed_grade speed_grade; +}; +#define to_clk_si544(_hw) container_of(_hw, struct clk_si544, hw) + +/** + * struct clk_si544_muldiv - Multiplier/divider settings + * @fb_div_frac: integer part of feedback divider (32 bits) + * @fb_div_int: fractional part of feedback divider (11 bits) + * @hs_div: 1st divider, 5..2046, must be even when >33 + * @ls_div_bits: 2nd divider, as 2^x, range 0..5 + * If ls_div_bits is non-zero, hs_div must be even + */ +struct clk_si544_muldiv { + u32 fb_div_frac; + u16 fb_div_int; + u16 hs_div; + u8 ls_div_bits; +}; + +/* Enables or disables the output driver */ +static int si544_enable_output(struct clk_si544 *data, bool enable) +{ + return regmap_update_bits(data->regmap, SI544_REG_OE_STATE, + SI544_OE_STATE_ODC_OE, enable ? SI544_OE_STATE_ODC_OE : 0); +} + +/* Retrieve clock multiplier and dividers from hardware */ +static int si544_get_muldiv(struct clk_si544 *data, + struct clk_si544_muldiv *settings) +{ + int err; + u8 reg[6]; + + err = regmap_bulk_read(data->regmap, SI544_REG_HS_DIV, reg, 2); + if (err) + return err; + + settings->ls_div_bits = (reg[1] >> 4) & 0x07; + settings->hs_div = (reg[1] & 0x07) << 8 | reg[0]; + + err = regmap_bulk_read(data->regmap, SI544_REG_FBDIV0, reg, 6); + if (err) + return err; + + settings->fb_div_int = reg[4] | (reg[5] & 0x07) << 8; + settings->fb_div_frac = reg[0] | reg[1] << 8 | reg[2] << 16 | + reg[3] << 24; + return 0; +} + +static int si544_set_muldiv(struct clk_si544 *data, + struct clk_si544_muldiv *settings) +{ + int err; + u8 reg[6]; + + reg[0] = settings->hs_div; + reg[1] = settings->hs_div >> 8 | settings->ls_div_bits << 4; + + err = regmap_bulk_write(data->regmap, SI544_REG_HS_DIV, reg, 2); + if (err < 0) + return err; + + reg[0] = settings->fb_div_frac; + reg[1] = settings->fb_div_frac >> 8; + reg[2] = settings->fb_div_frac >> 16; + reg[3] = settings->fb_div_frac >> 24; + reg[4] = settings->fb_div_int; + reg[5] = settings->fb_div_int >> 8; + + /* + * Writing to SI544_REG_FBDIV40 triggers the clock change, so that + * must be written last + */ + return regmap_bulk_write(data->regmap, SI544_REG_FBDIV0, reg, 6); +} + +static bool is_valid_frequency(const struct clk_si544 *data, + unsigned long frequency) +{ + unsigned long max_freq = 0; + + if (frequency < SI544_MIN_FREQ) + return false; + + switch (data->speed_grade) { + case si544a: + max_freq = 1500000000; + break; + case si544b: + max_freq = 800000000; + break; + case si544c: + max_freq = 350000000; + break; + } + + return frequency <= max_freq; +} + +/* Calculate divider settings for a given frequency */ +static int si544_calc_muldiv(struct clk_si544_muldiv *settings, + unsigned long frequency) +{ + u64 vco; + u32 ls_freq; + u32 tmp; + u8 res; + + /* Determine the minimum value of LS_DIV and resulting target freq. */ + ls_freq = frequency; + settings->ls_div_bits = 0; + + if (frequency >= MIN_HSDIV_FREQ) { + settings->ls_div_bits = 0; + } else { + res = 1; + tmp = 2 * HS_DIV_MAX; + while (tmp <= (HS_DIV_MAX * 32)) { + if (((u64)frequency * tmp) >= FVCO_MIN) + break; + ++res; + tmp <<= 1; + } + settings->ls_div_bits = res; + ls_freq = frequency << res; + } + + /* Determine minimum HS_DIV by rounding up */ + vco = FVCO_MIN + ls_freq - 1; + do_div(vco, ls_freq); + settings->hs_div = vco; + + /* round up to even number when required */ + if ((settings->hs_div & 1) && + (settings->hs_div > HS_DIV_MAX_ODD || settings->ls_div_bits)) + ++settings->hs_div; + + /* Calculate VCO frequency (in 10..12GHz range) */ + vco = (u64)ls_freq * settings->hs_div; + + /* Calculate the integer part of the feedback divider */ + tmp = do_div(vco, FXO); + settings->fb_div_int = vco; + + /* And the fractional bits using the remainder */ + vco = (u64)tmp << 32; + do_div(vco, FXO); + settings->fb_div_frac = vco; + + return 0; +} + +/* Calculate resulting frequency given the register settings */ +static unsigned long si544_calc_rate(struct clk_si544_muldiv *settings) +{ + u32 d = settings->hs_div * BIT(settings->ls_div_bits); + u64 vco; + + /* Calculate VCO from the fractional part */ + vco = (u64)settings->fb_div_frac * FXO; + vco += (FXO / 2); + vco >>= 32; + + /* Add the integer part of the VCO frequency */ + vco += (u64)settings->fb_div_int * FXO; + + /* Apply divider to obtain the generated frequency */ + do_div(vco, d); + + return vco; +} + +static unsigned long si544_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_si544 *data = to_clk_si544(hw); + struct clk_si544_muldiv settings; + int err; + + err = si544_get_muldiv(data, &settings); + if (err) + return 0; + + return si544_calc_rate(&settings); +} + +static long si544_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct clk_si544 *data = to_clk_si544(hw); + struct clk_si544_muldiv settings; + int err; + + if (!is_valid_frequency(data, rate)) + return -EINVAL; + + err = si544_calc_muldiv(&settings, rate); + if (err) + return err; + + return si544_calc_rate(&settings); +} + +/* + * Update output frequency for "big" frequency changes + */ +static int si544_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_si544 *data = to_clk_si544(hw); + struct clk_si544_muldiv settings; + int err; + + if (!is_valid_frequency(data, rate)) + return -EINVAL; + + err = si544_calc_muldiv(&settings, rate); + if (err) + return err; + + si544_enable_output(data, false); + + /* Allow FCAL for this frequency update */ + err = regmap_write(data->regmap, SI544_REG_FCAL_OVR, 0); + if (err < 0) + return err; + + + err = si544_set_muldiv(data, &settings); + if (err < 0) + return err; /* Undefined state now, best to leave disabled */ + + /* Trigger calibration */ + err = regmap_write(data->regmap, SI544_REG_CONTROL, + SI544_CONTROL_MS_ICAL2); + if (err < 0) + return err; + + /* Applying a new frequency can take up to 10ms */ + usleep_range(10000, 12000); + + si544_enable_output(data, true); + + return err; +} + +static const struct clk_ops si544_clk_ops = { + .recalc_rate = si544_recalc_rate, + .round_rate = si544_round_rate, + .set_rate = si544_set_rate, +}; + +static bool si544_regmap_is_volatile(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SI544_REG_CONTROL: + case SI544_REG_FCAL_OVR: + return true; + default: + return false; + } +} + +static const struct regmap_config si544_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .max_register = SI544_REG_PAGE_SELECT, + .volatile_reg = si544_regmap_is_volatile, +}; + +static int si544_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct clk_si544 *data; + struct clk_init_data init; + int err; + + data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + init.ops = &si544_clk_ops; + init.flags = 0; + init.num_parents = 0; + data->hw.init = &init; + data->i2c_client = client; + data->speed_grade = id->driver_data; + + if (of_property_read_string(client->dev.of_node, "clock-output-names", + &init.name)) + init.name = client->dev.of_node->name; + + data->regmap = devm_regmap_init_i2c(client, &si544_regmap_config); + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + + i2c_set_clientdata(client, data); + + /* Select page 0, just to be sure, there appear to be no more */ + err = regmap_write(data->regmap, SI544_REG_PAGE_SELECT, 0); + if (err < 0) + return err; + + err = devm_clk_hw_register(&client->dev, &data->hw); + if (err) { + dev_err(&client->dev, "clock registration failed\n"); + return err; + } + err = devm_of_clk_add_hw_provider(&client->dev, of_clk_hw_simple_get, + &data->hw); + if (err) { + dev_err(&client->dev, "unable to add clk provider\n"); + return err; + } + + return 0; +} + +static const struct i2c_device_id si544_id[] = { + { "si544a", si544a }, + { "si544b", si544b }, + { "si544c", si544c }, + { } +}; +MODULE_DEVICE_TABLE(i2c, si544_id); + +static const struct of_device_id clk_si544_of_match[] = { + { .compatible = "silabs,si544a" }, + { .compatible = "silabs,si544b" }, + { .compatible = "silabs,si544c" }, + { }, +}; +MODULE_DEVICE_TABLE(of, clk_si544_of_match); + +static struct i2c_driver si544_driver = { + .driver = { + .name = "si544", + .of_match_table = clk_si544_of_match, + }, + .probe = si544_probe, + .id_table = si544_id, +}; +module_i2c_driver(si544_driver); + +MODULE_AUTHOR("Mike Looijmans <mike.looijmans@topic.nl>"); +MODULE_DESCRIPTION("Si544 driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c index da44f8dc1d29..294850bdc195 100644 --- a/drivers/clk/clk-stm32f4.c +++ b/drivers/clk/clk-stm32f4.c @@ -282,6 +282,7 @@ static const struct stm32f4_gate_data stm32f746_gates[] __initconst = { { STM32F4_RCC_APB2ENR, 0, "tim1", "apb2_mul" }, { STM32F4_RCC_APB2ENR, 1, "tim8", "apb2_mul" }, + { STM32F4_RCC_APB2ENR, 7, "sdmmc2", "sdmux" }, { STM32F4_RCC_APB2ENR, 8, "adc1", "apb2_div" }, { STM32F4_RCC_APB2ENR, 9, "adc2", "apb2_div" }, { STM32F4_RCC_APB2ENR, 10, "adc3", "apb2_div" }, @@ -315,7 +316,7 @@ static const u64 stm32f46xx_gate_map[MAX_GATE_MAP] = { 0x000000f17ef417ffull, static const u64 stm32f746_gate_map[MAX_GATE_MAP] = { 0x000000f17ef417ffull, 0x0000000000000003ull, - 0x04f77f033e01c9ffull }; + 0x04f77f833e01c9ffull }; static const u64 *stm32f4_gate_map; @@ -521,7 +522,7 @@ static const struct stm32f4_pll_data stm32f429_pll[MAX_PLL_DIV] = { }; static const struct stm32f4_pll_data stm32f469_pll[MAX_PLL_DIV] = { - { PLL, 50, { "pll", "pll-q", NULL } }, + { PLL, 50, { "pll", "pll-q", "pll-r" } }, { PLL_I2S, 50, { "plli2s-p", "plli2s-q", "plli2s-r" } }, { PLL_SAI, 50, { "pllsai-p", "pllsai-q", "pllsai-r" } }, }; @@ -1047,6 +1048,8 @@ static const char *rtc_parents[4] = { "no-clock", "lse", "lsi", "hse-rtc" }; +static const char *dsi_parent[2] = { NULL, "pll-r" }; + static const char *lcd_parent[1] = { "pllsai-r-div" }; static const char *i2s_parents[2] = { "plli2s-r", NULL }; @@ -1156,6 +1159,12 @@ static const struct stm32_aux_clk stm32f469_aux_clk[] = { NO_GATE, 0, 0 }, + { + CLK_F469_DSI, "dsi", dsi_parent, ARRAY_SIZE(dsi_parent), + STM32F4_RCC_DCKCFGR, 29, 1, + STM32F4_RCC_APB2ENR, 27, + CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT + }, }; static const struct stm32_aux_clk stm32f746_aux_clk[] = { @@ -1450,6 +1459,7 @@ static void __init stm32f4_rcc_init(struct device_node *np) stm32f4_gate_map = data->gates_map; hse_clk = of_clk_get_parent_name(np, 0); + dsi_parent[0] = hse_clk; i2s_in_clk = of_clk_get_parent_name(np, 1); diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c new file mode 100644 index 000000000000..f1d5967b4b39 --- /dev/null +++ b/drivers/clk/clk-stm32mp1.c @@ -0,0 +1,2117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) STMicroelectronics 2018 - All Rights Reserved + * Author: Olivier Bideau <olivier.bideau@st.com> for STMicroelectronics. + * Author: Gabriel Fernandez <gabriel.fernandez@st.com> for STMicroelectronics. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/slab.h> +#include <linux/spinlock.h> + +#include <dt-bindings/clock/stm32mp1-clks.h> + +static DEFINE_SPINLOCK(rlock); + +#define RCC_OCENSETR 0x0C +#define RCC_HSICFGR 0x18 +#define RCC_RDLSICR 0x144 +#define RCC_PLL1CR 0x80 +#define RCC_PLL1CFGR1 0x84 +#define RCC_PLL1CFGR2 0x88 +#define RCC_PLL2CR 0x94 +#define RCC_PLL2CFGR1 0x98 +#define RCC_PLL2CFGR2 0x9C +#define RCC_PLL3CR 0x880 +#define RCC_PLL3CFGR1 0x884 +#define RCC_PLL3CFGR2 0x888 +#define RCC_PLL4CR 0x894 +#define RCC_PLL4CFGR1 0x898 +#define RCC_PLL4CFGR2 0x89C +#define RCC_APB1ENSETR 0xA00 +#define RCC_APB2ENSETR 0xA08 +#define RCC_APB3ENSETR 0xA10 +#define RCC_APB4ENSETR 0x200 +#define RCC_APB5ENSETR 0x208 +#define RCC_AHB2ENSETR 0xA18 +#define RCC_AHB3ENSETR 0xA20 +#define RCC_AHB4ENSETR 0xA28 +#define RCC_AHB5ENSETR 0x210 +#define RCC_AHB6ENSETR 0x218 +#define RCC_AHB6LPENSETR 0x318 +#define RCC_RCK12SELR 0x28 +#define RCC_RCK3SELR 0x820 +#define RCC_RCK4SELR 0x824 +#define RCC_MPCKSELR 0x20 +#define RCC_ASSCKSELR 0x24 +#define RCC_MSSCKSELR 0x48 +#define RCC_SPI6CKSELR 0xC4 +#define RCC_SDMMC12CKSELR 0x8F4 +#define RCC_SDMMC3CKSELR 0x8F8 +#define RCC_FMCCKSELR 0x904 +#define RCC_I2C46CKSELR 0xC0 +#define RCC_I2C12CKSELR 0x8C0 +#define RCC_I2C35CKSELR 0x8C4 +#define RCC_UART1CKSELR 0xC8 +#define RCC_QSPICKSELR 0x900 +#define RCC_ETHCKSELR 0x8FC +#define RCC_RNG1CKSELR 0xCC +#define RCC_RNG2CKSELR 0x920 +#define RCC_GPUCKSELR 0x938 +#define RCC_USBCKSELR 0x91C +#define RCC_STGENCKSELR 0xD4 +#define RCC_SPDIFCKSELR 0x914 +#define RCC_SPI2S1CKSELR 0x8D8 +#define RCC_SPI2S23CKSELR 0x8DC +#define RCC_SPI2S45CKSELR 0x8E0 +#define RCC_CECCKSELR 0x918 +#define RCC_LPTIM1CKSELR 0x934 +#define RCC_LPTIM23CKSELR 0x930 +#define RCC_LPTIM45CKSELR 0x92C +#define RCC_UART24CKSELR 0x8E8 +#define RCC_UART35CKSELR 0x8EC +#define RCC_UART6CKSELR 0x8E4 +#define RCC_UART78CKSELR 0x8F0 +#define RCC_FDCANCKSELR 0x90C +#define RCC_SAI1CKSELR 0x8C8 +#define RCC_SAI2CKSELR 0x8CC +#define RCC_SAI3CKSELR 0x8D0 +#define RCC_SAI4CKSELR 0x8D4 +#define RCC_ADCCKSELR 0x928 +#define RCC_MPCKDIVR 0x2C +#define RCC_DSICKSELR 0x924 +#define RCC_CPERCKSELR 0xD0 +#define RCC_MCO1CFGR 0x800 +#define RCC_MCO2CFGR 0x804 +#define RCC_BDCR 0x140 +#define RCC_AXIDIVR 0x30 +#define RCC_MCUDIVR 0x830 +#define RCC_APB1DIVR 0x834 +#define RCC_APB2DIVR 0x838 +#define RCC_APB3DIVR 0x83C +#define RCC_APB4DIVR 0x3C +#define RCC_APB5DIVR 0x40 +#define RCC_TIMG1PRER 0x828 +#define RCC_TIMG2PRER 0x82C +#define RCC_RTCDIVR 0x44 +#define RCC_DBGCFGR 0x80C + +#define RCC_CLR 0x4 + +static const char * const ref12_parents[] = { + "ck_hsi", "ck_hse" +}; + +static const char * const ref3_parents[] = { + "ck_hsi", "ck_hse", "ck_csi" +}; + +static const char * const ref4_parents[] = { + "ck_hsi", "ck_hse", "ck_csi" +}; + +static const char * const cpu_src[] = { + "ck_hsi", "ck_hse", "pll1_p" +}; + +static const char * const axi_src[] = { + "ck_hsi", "ck_hse", "pll2_p", "pll3_p" +}; + +static const char * const per_src[] = { + "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const mcu_src[] = { + "ck_hsi", "ck_hse", "ck_csi", "pll3_p" +}; + +static const char * const sdmmc12_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const sdmmc3_src[] = { + "ck_mcu", "pll3_r", "pll4_p", "ck_hsi" +}; + +static const char * const fmc_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const qspi_src[] = { + "ck_axi", "pll3_r", "pll4_p", "ck_per" +}; + +static const char * const eth_src[] = { + "pll4_p", "pll3_q" +}; + +static const char * const rng_src[] = { + "ck_csi", "pll4_r", "ck_lse", "ck_lsi" +}; + +static const char * const usbphy_src[] = { + "ck_hse", "pll4_r", "clk-hse-div2" +}; + +static const char * const usbo_src[] = { + "pll4_r", "ck_usbo_48m" +}; + +static const char * const stgen_src[] = { + "ck_hsi", "ck_hse" +}; + +static const char * const spdif_src[] = { + "pll4_p", "pll3_q", "ck_hsi" +}; + +static const char * const spi123_src[] = { + "pll4_p", "pll3_q", "i2s_ckin", "ck_per", "pll3_r" +}; + +static const char * const spi45_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const spi6_src[] = { + "pclk5", "pll4_q", "ck_hsi", "ck_csi", "ck_hse", "pll3_q" +}; + +static const char * const cec_src[] = { + "ck_lse", "ck_lsi", "ck_csi" +}; + +static const char * const i2c12_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c35_src[] = { + "pclk1", "pll4_r", "ck_hsi", "ck_csi" +}; + +static const char * const i2c46_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi" +}; + +static const char * const lptim1_src[] = { + "pclk1", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const lptim23_src[] = { + "pclk3", "pll4_q", "ck_per", "ck_lse", "ck_lsi" +}; + +static const char * const lptim45_src[] = { + "pclk3", "pll4_p", "pll3_q", "ck_lse", "ck_lsi", "ck_per" +}; + +static const char * const usart1_src[] = { + "pclk5", "pll3_q", "ck_hsi", "ck_csi", "pll4_q", "ck_hse" +}; + +const char * const usart234578_src[] = { + "pclk1", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const usart6_src[] = { + "pclk2", "pll4_q", "ck_hsi", "ck_csi", "ck_hse" +}; + +static const char * const dfsdm_src[] = { + "pclk2", "ck_mcu" +}; + +static const char * const fdcan_src[] = { + "ck_hse", "pll3_q", "pll4_q" +}; + +static const char * const sai_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per" +}; + +static const char * const sai2_src[] = { + "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "spdif_ck_symb" +}; + +static const char * const adc12_src[] = { + "pll4_q", "ck_per" +}; + +static const char * const dsi_src[] = { + "ck_dsi_phy", "pll4_p" +}; + +static const char * const rtc_src[] = { + "off", "ck_lse", "ck_lsi", "ck_hse_rtc" +}; + +static const char * const mco1_src[] = { + "ck_hsi", "ck_hse", "ck_csi", "ck_lsi", "ck_lse" +}; + +static const char * const mco2_src[] = { + "ck_mpu", "ck_axi", "ck_mcu", "pll4_p", "ck_hse", "ck_hsi" +}; + +static const char * const ck_trace_src[] = { + "ck_axi" +}; + +static const struct clk_div_table axi_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 }, + { 4, 4 }, { 5, 4 }, { 6, 4 }, { 7, 4 }, + { 0 }, +}; + +static const struct clk_div_table mcu_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 32 }, { 6, 64 }, { 7, 128 }, + { 8, 512 }, { 9, 512 }, { 10, 512}, { 11, 512 }, + { 12, 512 }, { 13, 512 }, { 14, 512}, { 15, 512 }, + { 0 }, +}; + +static const struct clk_div_table apb_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 16 }, { 6, 16 }, { 7, 16 }, + { 0 }, +}; + +static const struct clk_div_table ck_trace_div_table[] = { + { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 }, + { 4, 16 }, { 5, 16 }, { 6, 16 }, { 7, 16 }, + { 0 }, +}; + +#define MAX_MUX_CLK 2 + +struct stm32_mmux { + u8 nbr_clk; + struct clk_hw *hws[MAX_MUX_CLK]; +}; + +struct stm32_clk_mmux { + struct clk_mux mux; + struct stm32_mmux *mmux; +}; + +struct stm32_mgate { + u8 nbr_clk; + u32 flag; +}; + +struct stm32_clk_mgate { + struct clk_gate gate; + struct stm32_mgate *mgate; + u32 mask; +}; + +struct clock_config { + u32 id; + const char *name; + union { + const char *parent_name; + const char * const *parent_names; + }; + int num_parents; + unsigned long flags; + void *cfg; + struct clk_hw * (*func)(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg); +}; + +#define NO_ID ~0 + +struct gate_cfg { + u32 reg_off; + u8 bit_idx; + u8 gate_flags; +}; + +struct fixed_factor_cfg { + unsigned int mult; + unsigned int div; +}; + +struct div_cfg { + u32 reg_off; + u8 shift; + u8 width; + u8 div_flags; + const struct clk_div_table *table; +}; + +struct mux_cfg { + u32 reg_off; + u8 shift; + u8 width; + u8 mux_flags; + u32 *table; +}; + +struct stm32_gate_cfg { + struct gate_cfg *gate; + struct stm32_mgate *mgate; + const struct clk_ops *ops; +}; + +struct stm32_div_cfg { + struct div_cfg *div; + const struct clk_ops *ops; +}; + +struct stm32_mux_cfg { + struct mux_cfg *mux; + struct stm32_mmux *mmux; + const struct clk_ops *ops; +}; + +/* STM32 Composite clock */ +struct stm32_composite_cfg { + const struct stm32_gate_cfg *gate; + const struct stm32_div_cfg *div; + const struct stm32_mux_cfg *mux; +}; + +static struct clk_hw * +_clk_hw_register_gate(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct gate_cfg *gate_cfg = cfg->cfg; + + return clk_hw_register_gate(dev, + cfg->name, + cfg->parent_name, + cfg->flags, + gate_cfg->reg_off + base, + gate_cfg->bit_idx, + gate_cfg->gate_flags, + lock); +} + +static struct clk_hw * +_clk_hw_register_fixed_factor(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct fixed_factor_cfg *ff_cfg = cfg->cfg; + + return clk_hw_register_fixed_factor(dev, cfg->name, cfg->parent_name, + cfg->flags, ff_cfg->mult, + ff_cfg->div); +} + +static struct clk_hw * +_clk_hw_register_divider_table(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct div_cfg *div_cfg = cfg->cfg; + + return clk_hw_register_divider_table(dev, + cfg->name, + cfg->parent_name, + cfg->flags, + div_cfg->reg_off + base, + div_cfg->shift, + div_cfg->width, + div_cfg->div_flags, + div_cfg->table, + lock); +} + +static struct clk_hw * +_clk_hw_register_mux(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct mux_cfg *mux_cfg = cfg->cfg; + + return clk_hw_register_mux(dev, cfg->name, cfg->parent_names, + cfg->num_parents, cfg->flags, + mux_cfg->reg_off + base, mux_cfg->shift, + mux_cfg->width, mux_cfg->mux_flags, lock); +} + +/* MP1 Gate clock with set & clear registers */ + +static int mp1_gate_clk_enable(struct clk_hw *hw) +{ + if (!clk_gate_ops.is_enabled(hw)) + clk_gate_ops.enable(hw); + + return 0; +} + +static void mp1_gate_clk_disable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + unsigned long flags = 0; + + if (clk_gate_ops.is_enabled(hw)) { + spin_lock_irqsave(gate->lock, flags); + writel_relaxed(BIT(gate->bit_idx), gate->reg + RCC_CLR); + spin_unlock_irqrestore(gate->lock, flags); + } +} + +const struct clk_ops mp1_gate_clk_ops = { + .enable = mp1_gate_clk_enable, + .disable = mp1_gate_clk_disable, + .is_enabled = clk_gate_is_enabled, +}; + +static struct clk_hw *_get_stm32_mux(void __iomem *base, + const struct stm32_mux_cfg *cfg, + spinlock_t *lock) +{ + struct stm32_clk_mmux *mmux; + struct clk_mux *mux; + struct clk_hw *mux_hw; + + if (cfg->mmux) { + mmux = kzalloc(sizeof(*mmux), GFP_KERNEL); + if (!mmux) + return ERR_PTR(-ENOMEM); + + mmux->mux.reg = cfg->mux->reg_off + base; + mmux->mux.shift = cfg->mux->shift; + mmux->mux.mask = (1 << cfg->mux->width) - 1; + mmux->mux.flags = cfg->mux->mux_flags; + mmux->mux.table = cfg->mux->table; + mmux->mux.lock = lock; + mmux->mmux = cfg->mmux; + mux_hw = &mmux->mux.hw; + cfg->mmux->hws[cfg->mmux->nbr_clk++] = mux_hw; + + } else { + mux = kzalloc(sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + mux->reg = cfg->mux->reg_off + base; + mux->shift = cfg->mux->shift; + mux->mask = (1 << cfg->mux->width) - 1; + mux->flags = cfg->mux->mux_flags; + mux->table = cfg->mux->table; + mux->lock = lock; + mux_hw = &mux->hw; + } + + return mux_hw; +} + +static struct clk_hw *_get_stm32_div(void __iomem *base, + const struct stm32_div_cfg *cfg, + spinlock_t *lock) +{ + struct clk_divider *div; + + div = kzalloc(sizeof(*div), GFP_KERNEL); + + if (!div) + return ERR_PTR(-ENOMEM); + + div->reg = cfg->div->reg_off + base; + div->shift = cfg->div->shift; + div->width = cfg->div->width; + div->flags = cfg->div->div_flags; + div->table = cfg->div->table; + div->lock = lock; + + return &div->hw; +} + +static struct clk_hw * +_get_stm32_gate(void __iomem *base, + const struct stm32_gate_cfg *cfg, spinlock_t *lock) +{ + struct stm32_clk_mgate *mgate; + struct clk_gate *gate; + struct clk_hw *gate_hw; + + if (cfg->mgate) { + mgate = kzalloc(sizeof(*mgate), GFP_KERNEL); + if (!mgate) + return ERR_PTR(-ENOMEM); + + mgate->gate.reg = cfg->gate->reg_off + base; + mgate->gate.bit_idx = cfg->gate->bit_idx; + mgate->gate.flags = cfg->gate->gate_flags; + mgate->gate.lock = lock; + mgate->mask = BIT(cfg->mgate->nbr_clk++); + + mgate->mgate = cfg->mgate; + + gate_hw = &mgate->gate.hw; + + } else { + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + gate->reg = cfg->gate->reg_off + base; + gate->bit_idx = cfg->gate->bit_idx; + gate->flags = cfg->gate->gate_flags; + gate->lock = lock; + + gate_hw = &gate->hw; + } + + return gate_hw; +} + +static struct clk_hw * +clk_stm32_register_gate_ops(struct device *dev, + const char *name, + const char *parent_name, + unsigned long flags, + void __iomem *base, + const struct stm32_gate_cfg *cfg, + spinlock_t *lock) +{ + struct clk_init_data init = { NULL }; + struct clk_gate *gate; + struct clk_hw *hw; + int ret; + + gate = kzalloc(sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = flags; + + init.ops = &clk_gate_ops; + + if (cfg->ops) + init.ops = cfg->ops; + + hw = _get_stm32_gate(base, cfg, lock); + if (IS_ERR(hw)) + return ERR_PTR(-ENOMEM); + + hw->init = &init; + + ret = clk_hw_register(dev, hw); + if (ret) { + kfree(gate); + hw = ERR_PTR(ret); + } + + return hw; +} + +static struct clk_hw * +clk_stm32_register_composite(struct device *dev, + const char *name, const char * const *parent_names, + int num_parents, void __iomem *base, + const struct stm32_composite_cfg *cfg, + unsigned long flags, spinlock_t *lock) +{ + const struct clk_ops *mux_ops, *div_ops, *gate_ops; + struct clk_hw *mux_hw, *div_hw, *gate_hw; + + mux_hw = NULL; + div_hw = NULL; + gate_hw = NULL; + mux_ops = NULL; + div_ops = NULL; + gate_ops = NULL; + + if (cfg->mux) { + mux_hw = _get_stm32_mux(base, cfg->mux, lock); + + if (!IS_ERR(mux_hw)) { + mux_ops = &clk_mux_ops; + + if (cfg->mux->ops) + mux_ops = cfg->mux->ops; + } + } + + if (cfg->div) { + div_hw = _get_stm32_div(base, cfg->div, lock); + + if (!IS_ERR(div_hw)) { + div_ops = &clk_divider_ops; + + if (cfg->div->ops) + div_ops = cfg->div->ops; + } + } + + if (cfg->gate) { + gate_hw = _get_stm32_gate(base, cfg->gate, lock); + + if (!IS_ERR(gate_hw)) { + gate_ops = &clk_gate_ops; + + if (cfg->gate->ops) + gate_ops = cfg->gate->ops; + } + } + + return clk_hw_register_composite(dev, name, parent_names, num_parents, + mux_hw, mux_ops, div_hw, div_ops, + gate_hw, gate_ops, flags); +} + +#define to_clk_mgate(_gate) container_of(_gate, struct stm32_clk_mgate, gate) + +static int mp1_mgate_clk_enable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag |= clk_mgate->mask; + + mp1_gate_clk_enable(hw); + + return 0; +} + +static void mp1_mgate_clk_disable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct stm32_clk_mgate *clk_mgate = to_clk_mgate(gate); + + clk_mgate->mgate->flag &= ~clk_mgate->mask; + + if (clk_mgate->mgate->flag == 0) + mp1_gate_clk_disable(hw); +} + +const struct clk_ops mp1_mgate_clk_ops = { + .enable = mp1_mgate_clk_enable, + .disable = mp1_mgate_clk_disable, + .is_enabled = clk_gate_is_enabled, + +}; + +#define to_clk_mmux(_mux) container_of(_mux, struct stm32_clk_mmux, mux) + +static u8 clk_mmux_get_parent(struct clk_hw *hw) +{ + return clk_mux_ops.get_parent(hw); +} + +static int clk_mmux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_mux *mux = to_clk_mux(hw); + struct stm32_clk_mmux *clk_mmux = to_clk_mmux(mux); + struct clk_hw *hwp; + int ret, n; + + ret = clk_mux_ops.set_parent(hw, index); + if (ret) + return ret; + + hwp = clk_hw_get_parent(hw); + + for (n = 0; n < clk_mmux->mmux->nbr_clk; n++) + if (clk_mmux->mmux->hws[n] != hw) + clk_hw_reparent(clk_mmux->mmux->hws[n], hwp); + + return 0; +} + +const struct clk_ops clk_mmux_ops = { + .get_parent = clk_mmux_get_parent, + .set_parent = clk_mmux_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; + +/* STM32 PLL */ +struct stm32_pll_obj { + /* lock pll enable/disable registers */ + spinlock_t *lock; + void __iomem *reg; + struct clk_hw hw; +}; + +#define to_pll(_hw) container_of(_hw, struct stm32_pll_obj, hw) + +#define PLL_ON BIT(0) +#define PLL_RDY BIT(1) +#define DIVN_MASK 0x1FF +#define DIVM_MASK 0x3F +#define DIVM_SHIFT 16 +#define DIVN_SHIFT 0 +#define FRAC_OFFSET 0xC +#define FRAC_MASK 0x1FFF +#define FRAC_SHIFT 3 +#define FRACLE BIT(16) + +static int __pll_is_enabled(struct clk_hw *hw) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + + return readl_relaxed(clk_elem->reg) & PLL_ON; +} + +#define TIMEOUT 5 + +static int pll_enable(struct clk_hw *hw) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + u32 reg; + unsigned long flags = 0; + unsigned int timeout = TIMEOUT; + int bit_status = 0; + + spin_lock_irqsave(clk_elem->lock, flags); + + if (__pll_is_enabled(hw)) + goto unlock; + + reg = readl_relaxed(clk_elem->reg); + reg |= PLL_ON; + writel_relaxed(reg, clk_elem->reg); + + /* We can't use readl_poll_timeout() because we can be blocked if + * someone enables this clock before clocksource changes. + * Only jiffies counter is available. Jiffies are incremented by + * interruptions and enable op does not allow to be interrupted. + */ + do { + bit_status = !(readl_relaxed(clk_elem->reg) & PLL_RDY); + + if (bit_status) + udelay(120); + + } while (bit_status && --timeout); + +unlock: + spin_unlock_irqrestore(clk_elem->lock, flags); + + return bit_status; +} + +static void pll_disable(struct clk_hw *hw) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + u32 reg; + unsigned long flags = 0; + + spin_lock_irqsave(clk_elem->lock, flags); + + reg = readl_relaxed(clk_elem->reg); + reg &= ~PLL_ON; + writel_relaxed(reg, clk_elem->reg); + + spin_unlock_irqrestore(clk_elem->lock, flags); +} + +static u32 pll_frac_val(struct clk_hw *hw) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + u32 reg, frac = 0; + + reg = readl_relaxed(clk_elem->reg + FRAC_OFFSET); + if (reg & FRACLE) + frac = (reg >> FRAC_SHIFT) & FRAC_MASK; + + return frac; +} + +static unsigned long pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + u32 reg; + u32 frac, divm, divn; + u64 rate, rate_frac = 0; + + reg = readl_relaxed(clk_elem->reg + 4); + + divm = ((reg >> DIVM_SHIFT) & DIVM_MASK) + 1; + divn = ((reg >> DIVN_SHIFT) & DIVN_MASK) + 1; + rate = (u64)parent_rate * divn; + + do_div(rate, divm); + + frac = pll_frac_val(hw); + if (frac) { + rate_frac = (u64)parent_rate * (u64)frac; + do_div(rate_frac, (divm * 8192)); + } + + return rate + rate_frac; +} + +static int pll_is_enabled(struct clk_hw *hw) +{ + struct stm32_pll_obj *clk_elem = to_pll(hw); + unsigned long flags = 0; + int ret; + + spin_lock_irqsave(clk_elem->lock, flags); + ret = __pll_is_enabled(hw); + spin_unlock_irqrestore(clk_elem->lock, flags); + + return ret; +} + +static const struct clk_ops pll_ops = { + .enable = pll_enable, + .disable = pll_disable, + .recalc_rate = pll_recalc_rate, + .is_enabled = pll_is_enabled, +}; + +static struct clk_hw *clk_register_pll(struct device *dev, const char *name, + const char *parent_name, + void __iomem *reg, + unsigned long flags, + spinlock_t *lock) +{ + struct stm32_pll_obj *element; + struct clk_init_data init; + struct clk_hw *hw; + int err; + + element = kzalloc(sizeof(*element), GFP_KERNEL); + if (!element) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &pll_ops; + init.flags = flags; + init.parent_names = &parent_name; + init.num_parents = 1; + + element->hw.init = &init; + element->reg = reg; + element->lock = lock; + + hw = &element->hw; + err = clk_hw_register(dev, hw); + + if (err) { + kfree(element); + return ERR_PTR(err); + } + + return hw; +} + +/* Kernel Timer */ +struct timer_cker { + /* lock the kernel output divider register */ + spinlock_t *lock; + void __iomem *apbdiv; + void __iomem *timpre; + struct clk_hw hw; +}; + +#define to_timer_cker(_hw) container_of(_hw, struct timer_cker, hw) + +#define APB_DIV_MASK 0x07 +#define TIM_PRE_MASK 0x01 + +static unsigned long __bestmult(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(hw); + u32 prescaler; + unsigned int mult = 0; + + prescaler = readl_relaxed(tim_ker->apbdiv) & APB_DIV_MASK; + if (prescaler < 2) + return 1; + + mult = 2; + + if (rate / parent_rate >= 4) + mult = 4; + + return mult; +} + +static long timer_ker_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + unsigned long factor = __bestmult(hw, rate, *parent_rate); + + return *parent_rate * factor; +} + +static int timer_ker_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(hw); + unsigned long flags = 0; + unsigned long factor = __bestmult(hw, rate, parent_rate); + int ret = 0; + + spin_lock_irqsave(tim_ker->lock, flags); + + switch (factor) { + case 1: + break; + case 2: + writel_relaxed(0, tim_ker->timpre); + break; + case 4: + writel_relaxed(1, tim_ker->timpre); + break; + default: + ret = -EINVAL; + } + spin_unlock_irqrestore(tim_ker->lock, flags); + + return ret; +} + +static unsigned long timer_ker_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct timer_cker *tim_ker = to_timer_cker(hw); + u32 prescaler, timpre; + u32 mul; + + prescaler = readl_relaxed(tim_ker->apbdiv) & APB_DIV_MASK; + + timpre = readl_relaxed(tim_ker->timpre) & TIM_PRE_MASK; + + if (!prescaler) + return parent_rate; + + mul = (timpre + 1) * 2; + + return parent_rate * mul; +} + +static const struct clk_ops timer_ker_ops = { + .recalc_rate = timer_ker_recalc_rate, + .round_rate = timer_ker_round_rate, + .set_rate = timer_ker_set_rate, + +}; + +static struct clk_hw *clk_register_cktim(struct device *dev, const char *name, + const char *parent_name, + unsigned long flags, + void __iomem *apbdiv, + void __iomem *timpre, + spinlock_t *lock) +{ + struct timer_cker *tim_ker; + struct clk_init_data init; + struct clk_hw *hw; + int err; + + tim_ker = kzalloc(sizeof(*tim_ker), GFP_KERNEL); + if (!tim_ker) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &timer_ker_ops; + init.flags = flags; + init.parent_names = &parent_name; + init.num_parents = 1; + + tim_ker->hw.init = &init; + tim_ker->lock = lock; + tim_ker->apbdiv = apbdiv; + tim_ker->timpre = timpre; + + hw = &tim_ker->hw; + err = clk_hw_register(dev, hw); + + if (err) { + kfree(tim_ker); + return ERR_PTR(err); + } + + return hw; +} + +struct stm32_pll_cfg { + u32 offset; +}; + +struct clk_hw *_clk_register_pll(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct stm32_pll_cfg *stm_pll_cfg = cfg->cfg; + + return clk_register_pll(dev, cfg->name, cfg->parent_name, + base + stm_pll_cfg->offset, cfg->flags, lock); +} + +struct stm32_cktim_cfg { + u32 offset_apbdiv; + u32 offset_timpre; +}; + +static struct clk_hw *_clk_register_cktim(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + struct stm32_cktim_cfg *cktim_cfg = cfg->cfg; + + return clk_register_cktim(dev, cfg->name, cfg->parent_name, cfg->flags, + cktim_cfg->offset_apbdiv + base, + cktim_cfg->offset_timpre + base, lock); +} + +static struct clk_hw * +_clk_stm32_register_gate(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + return clk_stm32_register_gate_ops(dev, + cfg->name, + cfg->parent_name, + cfg->flags, + base, + cfg->cfg, + lock); +} + +static struct clk_hw * +_clk_stm32_register_composite(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + return clk_stm32_register_composite(dev, cfg->name, cfg->parent_names, + cfg->num_parents, base, cfg->cfg, + cfg->flags, lock); +} + +#define GATE(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct gate_cfg) {\ + .reg_off = _offset,\ + .bit_idx = _bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .func = _clk_hw_register_gate,\ +} + +#define FIXED_FACTOR(_id, _name, _parent, _flags, _mult, _div)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct fixed_factor_cfg) {\ + .mult = _mult,\ + .div = _div,\ + },\ + .func = _clk_hw_register_fixed_factor,\ +} + +#define DIV_TABLE(_id, _name, _parent, _flags, _offset, _shift, _width,\ + _div_flags, _div_table)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct div_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .div_flags = _div_flags,\ + .table = _div_table,\ + },\ + .func = _clk_hw_register_divider_table,\ +} + +#define DIV(_id, _name, _parent, _flags, _offset, _shift, _width, _div_flags)\ + DIV_TABLE(_id, _name, _parent, _flags, _offset, _shift, _width,\ + _div_flags, NULL) + +#define MUX(_id, _name, _parents, _flags, _offset, _shift, _width, _mux_flags)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_names = _parents,\ + .num_parents = ARRAY_SIZE(_parents),\ + .flags = _flags,\ + .cfg = &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + },\ + .func = _clk_hw_register_mux,\ +} + +#define PLL(_id, _name, _parent, _flags, _offset)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct stm32_pll_cfg) {\ + .offset = _offset,\ + },\ + .func = _clk_register_pll,\ +} + +#define STM32_CKTIM(_name, _parent, _flags, _offset_apbdiv, _offset_timpre)\ +{\ + .id = NO_ID,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = &(struct stm32_cktim_cfg) {\ + .offset_apbdiv = _offset_apbdiv,\ + .offset_timpre = _offset_timpre,\ + },\ + .func = _clk_register_cktim,\ +} + +#define STM32_TIM(_id, _name, _parent, _offset_set, _bit_idx)\ + GATE_MP1(_id, _name, _parent, CLK_SET_RATE_PARENT,\ + _offset_set, _bit_idx, 0) + +/* STM32 GATE */ +#define STM32_GATE(_id, _name, _parent, _flags, _gate)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_name = _parent,\ + .flags = _flags,\ + .cfg = (struct stm32_gate_cfg *) {_gate},\ + .func = _clk_stm32_register_gate,\ +} + +#define _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags, _mgate, _ops)\ + (&(struct stm32_gate_cfg) {\ + &(struct gate_cfg) {\ + .reg_off = _gate_offset,\ + .bit_idx = _gate_bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .mgate = _mgate,\ + .ops = _ops,\ + }) + +#define _STM32_MGATE(_mgate)\ + (&per_gate_cfg[_mgate]) + +#define _GATE(_gate_offset, _gate_bit_idx, _gate_flags)\ + _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ + NULL, NULL)\ + +#define _GATE_MP1(_gate_offset, _gate_bit_idx, _gate_flags)\ + _STM32_GATE(_gate_offset, _gate_bit_idx, _gate_flags,\ + NULL, &mp1_gate_clk_ops)\ + +#define _MGATE_MP1(_mgate)\ + .gate = &per_gate_cfg[_mgate] + +#define GATE_MP1(_id, _name, _parent, _flags, _offset, _bit_idx, _gate_flags)\ + STM32_GATE(_id, _name, _parent, _flags,\ + _GATE_MP1(_offset, _bit_idx, _gate_flags)) + +#define MGATE_MP1(_id, _name, _parent, _flags, _mgate)\ + STM32_GATE(_id, _name, _parent, _flags,\ + _STM32_MGATE(_mgate)) + +#define _STM32_DIV(_div_offset, _div_shift, _div_width,\ + _div_flags, _div_table, _ops)\ + .div = &(struct stm32_div_cfg) {\ + &(struct div_cfg) {\ + .reg_off = _div_offset,\ + .shift = _div_shift,\ + .width = _div_width,\ + .div_flags = _div_flags,\ + .table = _div_table,\ + },\ + .ops = _ops,\ + } + +#define _DIV(_div_offset, _div_shift, _div_width, _div_flags, _div_table)\ + _STM32_DIV(_div_offset, _div_shift, _div_width,\ + _div_flags, _div_table, NULL)\ + +#define _STM32_MUX(_offset, _shift, _width, _mux_flags, _mmux, _ops)\ + .mux = &(struct stm32_mux_cfg) {\ + &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + .table = NULL,\ + },\ + .mmux = _mmux,\ + .ops = _ops,\ + } + +#define _MUX(_offset, _shift, _width, _mux_flags)\ + _STM32_MUX(_offset, _shift, _width, _mux_flags, NULL, NULL)\ + +#define _MMUX(_mmux) .mux = &ker_mux_cfg[_mmux] + +#define PARENT(_parent) ((const char *[]) { _parent}) + +#define _NO_MUX .mux = NULL +#define _NO_DIV .div = NULL +#define _NO_GATE .gate = NULL + +#define COMPOSITE(_id, _name, _parents, _flags, _gate, _mux, _div)\ +{\ + .id = _id,\ + .name = _name,\ + .parent_names = _parents,\ + .num_parents = ARRAY_SIZE(_parents),\ + .flags = _flags,\ + .cfg = &(struct stm32_composite_cfg) {\ + _gate,\ + _mux,\ + _div,\ + },\ + .func = _clk_stm32_register_composite,\ +} + +#define PCLK(_id, _name, _parent, _flags, _mgate)\ + MGATE_MP1(_id, _name, _parent, _flags, _mgate) + +#define KCLK(_id, _name, _parents, _flags, _mgate, _mmux)\ + COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE | _flags,\ + _MGATE_MP1(_mgate),\ + _MMUX(_mmux),\ + _NO_DIV) + +enum { + G_SAI1, + G_SAI2, + G_SAI3, + G_SAI4, + G_SPI1, + G_SPI2, + G_SPI3, + G_SPI4, + G_SPI5, + G_SPI6, + G_SPDIF, + G_I2C1, + G_I2C2, + G_I2C3, + G_I2C4, + G_I2C5, + G_I2C6, + G_USART2, + G_UART4, + G_USART3, + G_UART5, + G_USART1, + G_USART6, + G_UART7, + G_UART8, + G_LPTIM1, + G_LPTIM2, + G_LPTIM3, + G_LPTIM4, + G_LPTIM5, + G_LTDC, + G_DSI, + G_QSPI, + G_FMC, + G_SDMMC1, + G_SDMMC2, + G_SDMMC3, + G_USBO, + G_USBPHY, + G_RNG1, + G_RNG2, + G_FDCAN, + G_DAC12, + G_CEC, + G_ADC12, + G_GPU, + G_STGEN, + G_DFSDM, + G_ADFSDM, + G_TIM2, + G_TIM3, + G_TIM4, + G_TIM5, + G_TIM6, + G_TIM7, + G_TIM12, + G_TIM13, + G_TIM14, + G_MDIO, + G_TIM1, + G_TIM8, + G_TIM15, + G_TIM16, + G_TIM17, + G_SYSCFG, + G_VREF, + G_TMPSENS, + G_PMBCTRL, + G_HDP, + G_IWDG2, + G_STGENRO, + G_DMA1, + G_DMA2, + G_DMAMUX, + G_DCMI, + G_CRYP2, + G_HASH2, + G_CRC2, + G_HSEM, + G_IPCC, + G_GPIOA, + G_GPIOB, + G_GPIOC, + G_GPIOD, + G_GPIOE, + G_GPIOF, + G_GPIOG, + G_GPIOH, + G_GPIOI, + G_GPIOJ, + G_GPIOK, + G_MDMA, + G_ETHCK, + G_ETHTX, + G_ETHRX, + G_ETHMAC, + G_CRC1, + G_USBH, + G_ETHSTP, + G_RTCAPB, + G_TZC, + G_TZPC, + G_IWDG1, + G_BSEC, + G_GPIOZ, + G_CRYP1, + G_HASH1, + G_BKPSRAM, + + G_LAST +}; + +struct stm32_mgate mp1_mgate[G_LAST]; + +#define _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + _mgate, _ops)\ + [_id] = {\ + &(struct gate_cfg) {\ + .reg_off = _gate_offset,\ + .bit_idx = _gate_bit_idx,\ + .gate_flags = _gate_flags,\ + },\ + .mgate = _mgate,\ + .ops = _ops,\ + } + +#define K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + NULL, &mp1_gate_clk_ops) + +#define K_MGATE(_id, _gate_offset, _gate_bit_idx, _gate_flags)\ + _K_GATE(_id, _gate_offset, _gate_bit_idx, _gate_flags,\ + &mp1_mgate[_id], &mp1_mgate_clk_ops) + +/* Peripheral gates */ +struct stm32_gate_cfg per_gate_cfg[G_LAST] = { + /* Multi gates */ + K_GATE(G_MDIO, RCC_APB1ENSETR, 31, 0), + K_MGATE(G_DAC12, RCC_APB1ENSETR, 29, 0), + K_MGATE(G_CEC, RCC_APB1ENSETR, 27, 0), + K_MGATE(G_SPDIF, RCC_APB1ENSETR, 26, 0), + K_MGATE(G_I2C5, RCC_APB1ENSETR, 24, 0), + K_MGATE(G_I2C3, RCC_APB1ENSETR, 23, 0), + K_MGATE(G_I2C2, RCC_APB1ENSETR, 22, 0), + K_MGATE(G_I2C1, RCC_APB1ENSETR, 21, 0), + K_MGATE(G_UART8, RCC_APB1ENSETR, 19, 0), + K_MGATE(G_UART7, RCC_APB1ENSETR, 18, 0), + K_MGATE(G_UART5, RCC_APB1ENSETR, 17, 0), + K_MGATE(G_UART4, RCC_APB1ENSETR, 16, 0), + K_MGATE(G_USART3, RCC_APB1ENSETR, 15, 0), + K_MGATE(G_USART2, RCC_APB1ENSETR, 14, 0), + K_MGATE(G_SPI3, RCC_APB1ENSETR, 12, 0), + K_MGATE(G_SPI2, RCC_APB1ENSETR, 11, 0), + K_MGATE(G_LPTIM1, RCC_APB1ENSETR, 9, 0), + K_GATE(G_TIM14, RCC_APB1ENSETR, 8, 0), + K_GATE(G_TIM13, RCC_APB1ENSETR, 7, 0), + K_GATE(G_TIM12, RCC_APB1ENSETR, 6, 0), + K_GATE(G_TIM7, RCC_APB1ENSETR, 5, 0), + K_GATE(G_TIM6, RCC_APB1ENSETR, 4, 0), + K_GATE(G_TIM5, RCC_APB1ENSETR, 3, 0), + K_GATE(G_TIM4, RCC_APB1ENSETR, 2, 0), + K_GATE(G_TIM3, RCC_APB1ENSETR, 1, 0), + K_GATE(G_TIM2, RCC_APB1ENSETR, 0, 0), + + K_MGATE(G_FDCAN, RCC_APB2ENSETR, 24, 0), + K_GATE(G_ADFSDM, RCC_APB2ENSETR, 21, 0), + K_GATE(G_DFSDM, RCC_APB2ENSETR, 20, 0), + K_MGATE(G_SAI3, RCC_APB2ENSETR, 18, 0), + K_MGATE(G_SAI2, RCC_APB2ENSETR, 17, 0), + K_MGATE(G_SAI1, RCC_APB2ENSETR, 16, 0), + K_MGATE(G_USART6, RCC_APB2ENSETR, 13, 0), + K_MGATE(G_SPI5, RCC_APB2ENSETR, 10, 0), + K_MGATE(G_SPI4, RCC_APB2ENSETR, 9, 0), + K_MGATE(G_SPI1, RCC_APB2ENSETR, 8, 0), + K_GATE(G_TIM17, RCC_APB2ENSETR, 4, 0), + K_GATE(G_TIM16, RCC_APB2ENSETR, 3, 0), + K_GATE(G_TIM15, RCC_APB2ENSETR, 2, 0), + K_GATE(G_TIM8, RCC_APB2ENSETR, 1, 0), + K_GATE(G_TIM1, RCC_APB2ENSETR, 0, 0), + + K_GATE(G_HDP, RCC_APB3ENSETR, 20, 0), + K_GATE(G_PMBCTRL, RCC_APB3ENSETR, 17, 0), + K_GATE(G_TMPSENS, RCC_APB3ENSETR, 16, 0), + K_GATE(G_VREF, RCC_APB3ENSETR, 13, 0), + K_GATE(G_SYSCFG, RCC_APB3ENSETR, 11, 0), + K_MGATE(G_SAI4, RCC_APB3ENSETR, 8, 0), + K_MGATE(G_LPTIM5, RCC_APB3ENSETR, 3, 0), + K_MGATE(G_LPTIM4, RCC_APB3ENSETR, 2, 0), + K_MGATE(G_LPTIM3, RCC_APB3ENSETR, 1, 0), + K_MGATE(G_LPTIM2, RCC_APB3ENSETR, 0, 0), + + K_GATE(G_STGENRO, RCC_APB4ENSETR, 20, 0), + K_MGATE(G_USBPHY, RCC_APB4ENSETR, 16, 0), + K_GATE(G_IWDG2, RCC_APB4ENSETR, 15, 0), + K_MGATE(G_DSI, RCC_APB4ENSETR, 4, 0), + K_MGATE(G_LTDC, RCC_APB4ENSETR, 0, 0), + + K_GATE(G_STGEN, RCC_APB5ENSETR, 20, 0), + K_GATE(G_BSEC, RCC_APB5ENSETR, 16, 0), + K_GATE(G_IWDG1, RCC_APB5ENSETR, 15, 0), + K_GATE(G_TZPC, RCC_APB5ENSETR, 13, 0), + K_GATE(G_TZC, RCC_APB5ENSETR, 12, 0), + K_GATE(G_RTCAPB, RCC_APB5ENSETR, 8, 0), + K_MGATE(G_USART1, RCC_APB5ENSETR, 4, 0), + K_MGATE(G_I2C6, RCC_APB5ENSETR, 3, 0), + K_MGATE(G_I2C4, RCC_APB5ENSETR, 2, 0), + K_MGATE(G_SPI6, RCC_APB5ENSETR, 0, 0), + + K_MGATE(G_SDMMC3, RCC_AHB2ENSETR, 16, 0), + K_MGATE(G_USBO, RCC_AHB2ENSETR, 8, 0), + K_MGATE(G_ADC12, RCC_AHB2ENSETR, 5, 0), + K_GATE(G_DMAMUX, RCC_AHB2ENSETR, 2, 0), + K_GATE(G_DMA2, RCC_AHB2ENSETR, 1, 0), + K_GATE(G_DMA1, RCC_AHB2ENSETR, 0, 0), + + K_GATE(G_IPCC, RCC_AHB3ENSETR, 12, 0), + K_GATE(G_HSEM, RCC_AHB3ENSETR, 11, 0), + K_GATE(G_CRC2, RCC_AHB3ENSETR, 7, 0), + K_MGATE(G_RNG2, RCC_AHB3ENSETR, 6, 0), + K_GATE(G_HASH2, RCC_AHB3ENSETR, 5, 0), + K_GATE(G_CRYP2, RCC_AHB3ENSETR, 4, 0), + K_GATE(G_DCMI, RCC_AHB3ENSETR, 0, 0), + + K_GATE(G_GPIOK, RCC_AHB4ENSETR, 10, 0), + K_GATE(G_GPIOJ, RCC_AHB4ENSETR, 9, 0), + K_GATE(G_GPIOI, RCC_AHB4ENSETR, 8, 0), + K_GATE(G_GPIOH, RCC_AHB4ENSETR, 7, 0), + K_GATE(G_GPIOG, RCC_AHB4ENSETR, 6, 0), + K_GATE(G_GPIOF, RCC_AHB4ENSETR, 5, 0), + K_GATE(G_GPIOE, RCC_AHB4ENSETR, 4, 0), + K_GATE(G_GPIOD, RCC_AHB4ENSETR, 3, 0), + K_GATE(G_GPIOC, RCC_AHB4ENSETR, 2, 0), + K_GATE(G_GPIOB, RCC_AHB4ENSETR, 1, 0), + K_GATE(G_GPIOA, RCC_AHB4ENSETR, 0, 0), + + K_GATE(G_BKPSRAM, RCC_AHB5ENSETR, 8, 0), + K_MGATE(G_RNG1, RCC_AHB5ENSETR, 6, 0), + K_GATE(G_HASH1, RCC_AHB5ENSETR, 5, 0), + K_GATE(G_CRYP1, RCC_AHB5ENSETR, 4, 0), + K_GATE(G_GPIOZ, RCC_AHB5ENSETR, 0, 0), + + K_GATE(G_USBH, RCC_AHB6ENSETR, 24, 0), + K_GATE(G_CRC1, RCC_AHB6ENSETR, 20, 0), + K_MGATE(G_SDMMC2, RCC_AHB6ENSETR, 17, 0), + K_MGATE(G_SDMMC1, RCC_AHB6ENSETR, 16, 0), + K_MGATE(G_QSPI, RCC_AHB6ENSETR, 14, 0), + K_MGATE(G_FMC, RCC_AHB6ENSETR, 12, 0), + K_GATE(G_ETHMAC, RCC_AHB6ENSETR, 10, 0), + K_GATE(G_ETHRX, RCC_AHB6ENSETR, 9, 0), + K_GATE(G_ETHTX, RCC_AHB6ENSETR, 8, 0), + K_GATE(G_ETHCK, RCC_AHB6ENSETR, 7, 0), + K_MGATE(G_GPU, RCC_AHB6ENSETR, 5, 0), + K_GATE(G_MDMA, RCC_AHB6ENSETR, 0, 0), + K_GATE(G_ETHSTP, RCC_AHB6LPENSETR, 11, 0), +}; + +enum { + M_SDMMC12, + M_SDMMC3, + M_FMC, + M_QSPI, + M_RNG1, + M_RNG2, + M_USBPHY, + M_USBO, + M_STGEN, + M_SPDIF, + M_SPI1, + M_SPI23, + M_SPI45, + M_SPI6, + M_CEC, + M_I2C12, + M_I2C35, + M_I2C46, + M_LPTIM1, + M_LPTIM23, + M_LPTIM45, + M_USART1, + M_UART24, + M_UART35, + M_USART6, + M_UART78, + M_SAI1, + M_SAI2, + M_SAI3, + M_SAI4, + M_DSI, + M_FDCAN, + M_ADC12, + M_ETHCK, + M_CKPER, + M_LAST +}; + +struct stm32_mmux ker_mux[M_LAST]; + +#define _K_MUX(_id, _offset, _shift, _width, _mux_flags, _mmux, _ops)\ + [_id] = {\ + &(struct mux_cfg) {\ + .reg_off = _offset,\ + .shift = _shift,\ + .width = _width,\ + .mux_flags = _mux_flags,\ + .table = NULL,\ + },\ + .mmux = _mmux,\ + .ops = _ops,\ + } + +#define K_MUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + NULL, NULL) + +#define K_MMUX(_id, _offset, _shift, _width, _mux_flags)\ + _K_MUX(_id, _offset, _shift, _width, _mux_flags,\ + &ker_mux[_id], &clk_mmux_ops) + +const struct stm32_mux_cfg ker_mux_cfg[M_LAST] = { + /* Kernel multi mux */ + K_MMUX(M_SDMMC12, RCC_SDMMC12CKSELR, 0, 3, 0), + K_MMUX(M_SPI23, RCC_SPI2S23CKSELR, 0, 3, 0), + K_MMUX(M_SPI45, RCC_SPI2S45CKSELR, 0, 3, 0), + K_MMUX(M_I2C12, RCC_I2C12CKSELR, 0, 3, 0), + K_MMUX(M_I2C35, RCC_I2C35CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM23, RCC_LPTIM23CKSELR, 0, 3, 0), + K_MMUX(M_LPTIM45, RCC_LPTIM45CKSELR, 0, 3, 0), + K_MMUX(M_UART24, RCC_UART24CKSELR, 0, 3, 0), + K_MMUX(M_UART35, RCC_UART35CKSELR, 0, 3, 0), + K_MMUX(M_UART78, RCC_UART78CKSELR, 0, 3, 0), + K_MMUX(M_SAI1, RCC_SAI1CKSELR, 0, 3, 0), + K_MMUX(M_ETHCK, RCC_ETHCKSELR, 0, 2, 0), + K_MMUX(M_I2C46, RCC_I2C46CKSELR, 0, 3, 0), + + /* Kernel simple mux */ + K_MUX(M_RNG2, RCC_RNG2CKSELR, 0, 2, 0), + K_MUX(M_SDMMC3, RCC_SDMMC3CKSELR, 0, 3, 0), + K_MUX(M_FMC, RCC_FMCCKSELR, 0, 2, 0), + K_MUX(M_QSPI, RCC_QSPICKSELR, 0, 2, 0), + K_MUX(M_USBPHY, RCC_USBCKSELR, 0, 2, 0), + K_MUX(M_USBO, RCC_USBCKSELR, 4, 1, 0), + K_MUX(M_SPDIF, RCC_SPDIFCKSELR, 0, 2, 0), + K_MUX(M_SPI1, RCC_SPI2S1CKSELR, 0, 3, 0), + K_MUX(M_CEC, RCC_CECCKSELR, 0, 2, 0), + K_MUX(M_LPTIM1, RCC_LPTIM1CKSELR, 0, 3, 0), + K_MUX(M_USART6, RCC_UART6CKSELR, 0, 3, 0), + K_MUX(M_FDCAN, RCC_FDCANCKSELR, 0, 2, 0), + K_MUX(M_SAI2, RCC_SAI2CKSELR, 0, 3, 0), + K_MUX(M_SAI3, RCC_SAI3CKSELR, 0, 3, 0), + K_MUX(M_SAI4, RCC_SAI4CKSELR, 0, 3, 0), + K_MUX(M_ADC12, RCC_ADCCKSELR, 0, 2, 0), + K_MUX(M_DSI, RCC_DSICKSELR, 0, 1, 0), + K_MUX(M_CKPER, RCC_CPERCKSELR, 0, 2, 0), + K_MUX(M_RNG1, RCC_RNG1CKSELR, 0, 2, 0), + K_MUX(M_STGEN, RCC_STGENCKSELR, 0, 2, 0), + K_MUX(M_USART1, RCC_UART1CKSELR, 0, 3, 0), + K_MUX(M_SPI6, RCC_SPI6CKSELR, 0, 3, 0), +}; + +static const struct clock_config stm32mp1_clock_cfg[] = { + /* Oscillator divider */ + DIV(NO_ID, "clk-hsi-div", "clk-hsi", 0, RCC_HSICFGR, 0, 2, + CLK_DIVIDER_READ_ONLY), + + /* External / Internal Oscillators */ + GATE_MP1(CK_HSE, "ck_hse", "clk-hse", 0, RCC_OCENSETR, 8, 0), + GATE_MP1(CK_CSI, "ck_csi", "clk-csi", 0, RCC_OCENSETR, 4, 0), + GATE_MP1(CK_HSI, "ck_hsi", "clk-hsi-div", 0, RCC_OCENSETR, 0, 0), + GATE(CK_LSI, "ck_lsi", "clk-lsi", 0, RCC_RDLSICR, 0, 0), + GATE(CK_LSE, "ck_lse", "clk-lse", 0, RCC_BDCR, 0, 0), + + FIXED_FACTOR(CK_HSE_DIV2, "clk-hse-div2", "ck_hse", 0, 1, 2), + + /* ref clock pll */ + MUX(NO_ID, "ref1", ref12_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK12SELR, + 0, 2, CLK_MUX_READ_ONLY), + + MUX(NO_ID, "ref3", ref3_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK3SELR, + 0, 2, CLK_MUX_READ_ONLY), + + MUX(NO_ID, "ref4", ref4_parents, CLK_OPS_PARENT_ENABLE, RCC_RCK4SELR, + 0, 2, CLK_MUX_READ_ONLY), + + /* PLLs */ + PLL(PLL1, "pll1", "ref1", CLK_IGNORE_UNUSED, RCC_PLL1CR), + PLL(PLL2, "pll2", "ref1", CLK_IGNORE_UNUSED, RCC_PLL2CR), + PLL(PLL3, "pll3", "ref3", CLK_IGNORE_UNUSED, RCC_PLL3CR), + PLL(PLL4, "pll4", "ref4", CLK_IGNORE_UNUSED, RCC_PLL4CR), + + /* ODF */ + COMPOSITE(PLL1_P, "pll1_p", PARENT("pll1"), 0, + _GATE(RCC_PLL1CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL1CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL2_P, "pll2_p", PARENT("pll2"), 0, + _GATE(RCC_PLL2CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL2_Q, "pll2_q", PARENT("pll2"), 0, + _GATE(RCC_PLL2CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL2_R, "pll2_r", PARENT("pll2"), CLK_IS_CRITICAL, + _GATE(RCC_PLL2CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL2CFGR2, 16, 7, 0, NULL)), + + COMPOSITE(PLL3_P, "pll3_p", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL3_Q, "pll3_q", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL3_R, "pll3_r", PARENT("pll3"), 0, + _GATE(RCC_PLL3CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL3CFGR2, 16, 7, 0, NULL)), + + COMPOSITE(PLL4_P, "pll4_p", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 4, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 0, 7, 0, NULL)), + + COMPOSITE(PLL4_Q, "pll4_q", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 5, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 8, 7, 0, NULL)), + + COMPOSITE(PLL4_R, "pll4_r", PARENT("pll4"), 0, + _GATE(RCC_PLL4CR, 6, 0), + _NO_MUX, + _DIV(RCC_PLL4CFGR2, 16, 7, 0, NULL)), + + /* MUX system clocks */ + MUX(CK_PER, "ck_per", per_src, CLK_OPS_PARENT_ENABLE, + RCC_CPERCKSELR, 0, 2, 0), + + MUX(CK_MPU, "ck_mpu", cpu_src, CLK_OPS_PARENT_ENABLE | + CLK_IS_CRITICAL, RCC_MPCKSELR, 0, 2, 0), + + COMPOSITE(CK_AXI, "ck_axi", axi_src, CLK_IS_CRITICAL | + CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MUX(RCC_ASSCKSELR, 0, 2, 0), + _DIV(RCC_AXIDIVR, 0, 3, 0, axi_div_table)), + + COMPOSITE(CK_MCU, "ck_mcu", mcu_src, CLK_IS_CRITICAL | + CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MUX(RCC_MSSCKSELR, 0, 2, 0), + _DIV(RCC_MCUDIVR, 0, 4, 0, mcu_div_table)), + + DIV_TABLE(NO_ID, "pclk1", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB1DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk2", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB2DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk3", "ck_mcu", CLK_IGNORE_UNUSED, RCC_APB3DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk4", "ck_axi", CLK_IGNORE_UNUSED, RCC_APB4DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + DIV_TABLE(NO_ID, "pclk5", "ck_axi", CLK_IGNORE_UNUSED, RCC_APB5DIVR, 0, + 3, CLK_DIVIDER_READ_ONLY, apb_div_table), + + /* Kernel Timers */ + STM32_CKTIM("ck1_tim", "pclk1", 0, RCC_APB1DIVR, RCC_TIMG1PRER), + STM32_CKTIM("ck2_tim", "pclk2", 0, RCC_APB2DIVR, RCC_TIMG2PRER), + + STM32_TIM(TIM2_K, "tim2_k", "ck1_tim", RCC_APB1ENSETR, 0), + STM32_TIM(TIM3_K, "tim3_k", "ck1_tim", RCC_APB1ENSETR, 1), + STM32_TIM(TIM4_K, "tim4_k", "ck1_tim", RCC_APB1ENSETR, 2), + STM32_TIM(TIM5_K, "tim5_k", "ck1_tim", RCC_APB1ENSETR, 3), + STM32_TIM(TIM6_K, "tim6_k", "ck1_tim", RCC_APB1ENSETR, 4), + STM32_TIM(TIM7_K, "tim7_k", "ck1_tim", RCC_APB1ENSETR, 5), + STM32_TIM(TIM12_K, "tim12_k", "ck1_tim", RCC_APB1ENSETR, 6), + STM32_TIM(TIM13_K, "tim13_k", "ck1_tim", RCC_APB1ENSETR, 7), + STM32_TIM(TIM14_K, "tim14_k", "ck1_tim", RCC_APB1ENSETR, 8), + STM32_TIM(TIM1_K, "tim1_k", "ck2_tim", RCC_APB2ENSETR, 0), + STM32_TIM(TIM8_K, "tim8_k", "ck2_tim", RCC_APB2ENSETR, 1), + STM32_TIM(TIM15_K, "tim15_k", "ck2_tim", RCC_APB2ENSETR, 2), + STM32_TIM(TIM16_K, "tim16_k", "ck2_tim", RCC_APB2ENSETR, 3), + STM32_TIM(TIM17_K, "tim17_k", "ck2_tim", RCC_APB2ENSETR, 4), + + /* Peripheral clocks */ + PCLK(TIM2, "tim2", "pclk1", CLK_IGNORE_UNUSED, G_TIM2), + PCLK(TIM3, "tim3", "pclk1", CLK_IGNORE_UNUSED, G_TIM3), + PCLK(TIM4, "tim4", "pclk1", CLK_IGNORE_UNUSED, G_TIM4), + PCLK(TIM5, "tim5", "pclk1", CLK_IGNORE_UNUSED, G_TIM5), + PCLK(TIM6, "tim6", "pclk1", CLK_IGNORE_UNUSED, G_TIM6), + PCLK(TIM7, "tim7", "pclk1", CLK_IGNORE_UNUSED, G_TIM7), + PCLK(TIM12, "tim12", "pclk1", CLK_IGNORE_UNUSED, G_TIM12), + PCLK(TIM13, "tim13", "pclk1", CLK_IGNORE_UNUSED, G_TIM13), + PCLK(TIM14, "tim14", "pclk1", CLK_IGNORE_UNUSED, G_TIM14), + PCLK(LPTIM1, "lptim1", "pclk1", 0, G_LPTIM1), + PCLK(SPI2, "spi2", "pclk1", 0, G_SPI2), + PCLK(SPI3, "spi3", "pclk1", 0, G_SPI3), + PCLK(USART2, "usart2", "pclk1", 0, G_USART2), + PCLK(USART3, "usart3", "pclk1", 0, G_USART3), + PCLK(UART4, "uart4", "pclk1", 0, G_UART4), + PCLK(UART5, "uart5", "pclk1", 0, G_UART5), + PCLK(UART7, "uart7", "pclk1", 0, G_UART7), + PCLK(UART8, "uart8", "pclk1", 0, G_UART8), + PCLK(I2C1, "i2c1", "pclk1", 0, G_I2C1), + PCLK(I2C2, "i2c2", "pclk1", 0, G_I2C2), + PCLK(I2C3, "i2c3", "pclk1", 0, G_I2C3), + PCLK(I2C5, "i2c5", "pclk1", 0, G_I2C5), + PCLK(SPDIF, "spdif", "pclk1", 0, G_SPDIF), + PCLK(CEC, "cec", "pclk1", 0, G_CEC), + PCLK(DAC12, "dac12", "pclk1", 0, G_DAC12), + PCLK(MDIO, "mdio", "pclk1", 0, G_MDIO), + PCLK(TIM1, "tim1", "pclk2", CLK_IGNORE_UNUSED, G_TIM1), + PCLK(TIM8, "tim8", "pclk2", CLK_IGNORE_UNUSED, G_TIM8), + PCLK(TIM15, "tim15", "pclk2", CLK_IGNORE_UNUSED, G_TIM15), + PCLK(TIM16, "tim16", "pclk2", CLK_IGNORE_UNUSED, G_TIM16), + PCLK(TIM17, "tim17", "pclk2", CLK_IGNORE_UNUSED, G_TIM17), + PCLK(SPI1, "spi1", "pclk2", 0, G_SPI1), + PCLK(SPI4, "spi4", "pclk2", 0, G_SPI4), + PCLK(SPI5, "spi5", "pclk2", 0, G_SPI5), + PCLK(USART6, "usart6", "pclk2", 0, G_USART6), + PCLK(SAI1, "sai1", "pclk2", 0, G_SAI1), + PCLK(SAI2, "sai2", "pclk2", 0, G_SAI2), + PCLK(SAI3, "sai3", "pclk2", 0, G_SAI3), + PCLK(DFSDM, "dfsdm", "pclk2", 0, G_DFSDM), + PCLK(FDCAN, "fdcan", "pclk2", 0, G_FDCAN), + PCLK(LPTIM2, "lptim2", "pclk3", 0, G_LPTIM2), + PCLK(LPTIM3, "lptim3", "pclk3", 0, G_LPTIM3), + PCLK(LPTIM4, "lptim4", "pclk3", 0, G_LPTIM4), + PCLK(LPTIM5, "lptim5", "pclk3", 0, G_LPTIM5), + PCLK(SAI4, "sai4", "pclk3", 0, G_SAI4), + PCLK(SYSCFG, "syscfg", "pclk3", 0, G_SYSCFG), + PCLK(VREF, "vref", "pclk3", 13, G_VREF), + PCLK(TMPSENS, "tmpsens", "pclk3", 0, G_TMPSENS), + PCLK(PMBCTRL, "pmbctrl", "pclk3", 0, G_PMBCTRL), + PCLK(HDP, "hdp", "pclk3", 0, G_HDP), + PCLK(LTDC, "ltdc", "pclk4", 0, G_LTDC), + PCLK(DSI, "dsi", "pclk4", 0, G_DSI), + PCLK(IWDG2, "iwdg2", "pclk4", 0, G_IWDG2), + PCLK(USBPHY, "usbphy", "pclk4", 0, G_USBPHY), + PCLK(STGENRO, "stgenro", "pclk4", 0, G_STGENRO), + PCLK(SPI6, "spi6", "pclk5", 0, G_SPI6), + PCLK(I2C4, "i2c4", "pclk5", 0, G_I2C4), + PCLK(I2C6, "i2c6", "pclk5", 0, G_I2C6), + PCLK(USART1, "usart1", "pclk5", 0, G_USART1), + PCLK(RTCAPB, "rtcapb", "pclk5", CLK_IGNORE_UNUSED | + CLK_IS_CRITICAL, G_RTCAPB), + PCLK(TZC, "tzc", "pclk5", CLK_IGNORE_UNUSED, G_TZC), + PCLK(TZPC, "tzpc", "pclk5", CLK_IGNORE_UNUSED, G_TZPC), + PCLK(IWDG1, "iwdg1", "pclk5", 0, G_IWDG1), + PCLK(BSEC, "bsec", "pclk5", CLK_IGNORE_UNUSED, G_BSEC), + PCLK(STGEN, "stgen", "pclk5", CLK_IGNORE_UNUSED, G_STGEN), + PCLK(DMA1, "dma1", "ck_mcu", 0, G_DMA1), + PCLK(DMA2, "dma2", "ck_mcu", 0, G_DMA2), + PCLK(DMAMUX, "dmamux", "ck_mcu", 0, G_DMAMUX), + PCLK(ADC12, "adc12", "ck_mcu", 0, G_ADC12), + PCLK(USBO, "usbo", "ck_mcu", 0, G_USBO), + PCLK(SDMMC3, "sdmmc3", "ck_mcu", 0, G_SDMMC3), + PCLK(DCMI, "dcmi", "ck_mcu", 0, G_DCMI), + PCLK(CRYP2, "cryp2", "ck_mcu", 0, G_CRYP2), + PCLK(HASH2, "hash2", "ck_mcu", 0, G_HASH2), + PCLK(RNG2, "rng2", "ck_mcu", 0, G_RNG2), + PCLK(CRC2, "crc2", "ck_mcu", 0, G_CRC2), + PCLK(HSEM, "hsem", "ck_mcu", 0, G_HSEM), + PCLK(IPCC, "ipcc", "ck_mcu", 0, G_IPCC), + PCLK(GPIOA, "gpioa", "ck_mcu", 0, G_GPIOA), + PCLK(GPIOB, "gpiob", "ck_mcu", 0, G_GPIOB), + PCLK(GPIOC, "gpioc", "ck_mcu", 0, G_GPIOC), + PCLK(GPIOD, "gpiod", "ck_mcu", 0, G_GPIOD), + PCLK(GPIOE, "gpioe", "ck_mcu", 0, G_GPIOE), + PCLK(GPIOF, "gpiof", "ck_mcu", 0, G_GPIOF), + PCLK(GPIOG, "gpiog", "ck_mcu", 0, G_GPIOG), + PCLK(GPIOH, "gpioh", "ck_mcu", 0, G_GPIOH), + PCLK(GPIOI, "gpioi", "ck_mcu", 0, G_GPIOI), + PCLK(GPIOJ, "gpioj", "ck_mcu", 0, G_GPIOJ), + PCLK(GPIOK, "gpiok", "ck_mcu", 0, G_GPIOK), + PCLK(GPIOZ, "gpioz", "ck_axi", CLK_IGNORE_UNUSED, G_GPIOZ), + PCLK(CRYP1, "cryp1", "ck_axi", CLK_IGNORE_UNUSED, G_CRYP1), + PCLK(HASH1, "hash1", "ck_axi", CLK_IGNORE_UNUSED, G_HASH1), + PCLK(RNG1, "rng1", "ck_axi", 0, G_RNG1), + PCLK(BKPSRAM, "bkpsram", "ck_axi", CLK_IGNORE_UNUSED, G_BKPSRAM), + PCLK(MDMA, "mdma", "ck_axi", 0, G_MDMA), + PCLK(GPU, "gpu", "ck_axi", 0, G_GPU), + PCLK(ETHTX, "ethtx", "ck_axi", 0, G_ETHTX), + PCLK(ETHRX, "ethrx", "ck_axi", 0, G_ETHRX), + PCLK(ETHMAC, "ethmac", "ck_axi", 0, G_ETHMAC), + PCLK(FMC, "fmc", "ck_axi", CLK_IGNORE_UNUSED, G_FMC), + PCLK(QSPI, "qspi", "ck_axi", CLK_IGNORE_UNUSED, G_QSPI), + PCLK(SDMMC1, "sdmmc1", "ck_axi", 0, G_SDMMC1), + PCLK(SDMMC2, "sdmmc2", "ck_axi", 0, G_SDMMC2), + PCLK(CRC1, "crc1", "ck_axi", 0, G_CRC1), + PCLK(USBH, "usbh", "ck_axi", 0, G_USBH), + PCLK(ETHSTP, "ethstp", "ck_axi", 0, G_ETHSTP), + + /* Kernel clocks */ + KCLK(SDMMC1_K, "sdmmc1_k", sdmmc12_src, 0, G_SDMMC1, M_SDMMC12), + KCLK(SDMMC2_K, "sdmmc2_k", sdmmc12_src, 0, G_SDMMC2, M_SDMMC12), + KCLK(SDMMC3_K, "sdmmc3_k", sdmmc3_src, 0, G_SDMMC3, M_SDMMC3), + KCLK(FMC_K, "fmc_k", fmc_src, 0, G_FMC, M_FMC), + KCLK(QSPI_K, "qspi_k", qspi_src, 0, G_QSPI, M_QSPI), + KCLK(RNG1_K, "rng1_k", rng_src, 0, G_RNG1, M_RNG1), + KCLK(RNG2_K, "rng2_k", rng_src, 0, G_RNG2, M_RNG2), + KCLK(USBPHY_K, "usbphy_k", usbphy_src, 0, G_USBPHY, M_USBPHY), + KCLK(STGEN_K, "stgen_k", stgen_src, CLK_IGNORE_UNUSED, + G_STGEN, M_STGEN), + KCLK(SPDIF_K, "spdif_k", spdif_src, 0, G_SPDIF, M_SPDIF), + KCLK(SPI1_K, "spi1_k", spi123_src, 0, G_SPI1, M_SPI1), + KCLK(SPI2_K, "spi2_k", spi123_src, 0, G_SPI2, M_SPI23), + KCLK(SPI3_K, "spi3_k", spi123_src, 0, G_SPI3, M_SPI23), + KCLK(SPI4_K, "spi4_k", spi45_src, 0, G_SPI4, M_SPI45), + KCLK(SPI5_K, "spi5_k", spi45_src, 0, G_SPI5, M_SPI45), + KCLK(SPI6_K, "spi6_k", spi6_src, 0, G_SPI6, M_SPI6), + KCLK(CEC_K, "cec_k", cec_src, 0, G_CEC, M_CEC), + KCLK(I2C1_K, "i2c1_k", i2c12_src, 0, G_I2C1, M_I2C12), + KCLK(I2C2_K, "i2c2_k", i2c12_src, 0, G_I2C2, M_I2C12), + KCLK(I2C3_K, "i2c3_k", i2c35_src, 0, G_I2C3, M_I2C35), + KCLK(I2C5_K, "i2c5_k", i2c35_src, 0, G_I2C5, M_I2C35), + KCLK(I2C4_K, "i2c4_k", i2c46_src, 0, G_I2C4, M_I2C46), + KCLK(I2C6_K, "i2c6_k", i2c46_src, 0, G_I2C6, M_I2C46), + KCLK(LPTIM1_K, "lptim1_k", lptim1_src, 0, G_LPTIM1, M_LPTIM1), + KCLK(LPTIM2_K, "lptim2_k", lptim23_src, 0, G_LPTIM2, M_LPTIM23), + KCLK(LPTIM3_K, "lptim3_k", lptim23_src, 0, G_LPTIM3, M_LPTIM23), + KCLK(LPTIM4_K, "lptim4_k", lptim45_src, 0, G_LPTIM4, M_LPTIM45), + KCLK(LPTIM5_K, "lptim5_k", lptim45_src, 0, G_LPTIM5, M_LPTIM45), + KCLK(USART1_K, "usart1_k", usart1_src, 0, G_USART1, M_USART1), + KCLK(USART2_K, "usart2_k", usart234578_src, 0, G_USART2, M_UART24), + KCLK(USART3_K, "usart3_k", usart234578_src, 0, G_USART3, M_UART35), + KCLK(UART4_K, "uart4_k", usart234578_src, 0, G_UART4, M_UART24), + KCLK(UART5_K, "uart5_k", usart234578_src, 0, G_UART5, M_UART35), + KCLK(USART6_K, "uart6_k", usart6_src, 0, G_USART6, M_USART6), + KCLK(UART7_K, "uart7_k", usart234578_src, 0, G_UART7, M_UART78), + KCLK(UART8_K, "uart8_k", usart234578_src, 0, G_UART8, M_UART78), + KCLK(FDCAN_K, "fdcan_k", fdcan_src, 0, G_FDCAN, M_FDCAN), + KCLK(SAI1_K, "sai1_k", sai_src, 0, G_SAI1, M_SAI1), + KCLK(SAI2_K, "sai2_k", sai2_src, 0, G_SAI2, M_SAI2), + KCLK(SAI3_K, "sai3_k", sai_src, 0, G_SAI2, M_SAI3), + KCLK(SAI4_K, "sai4_k", sai_src, 0, G_SAI2, M_SAI4), + KCLK(ADC12_K, "adc12_k", adc12_src, 0, G_ADC12, M_ADC12), + KCLK(DSI_K, "dsi_k", dsi_src, 0, G_DSI, M_DSI), + KCLK(ADFSDM_K, "adfsdm_k", sai_src, 0, G_ADFSDM, M_SAI1), + KCLK(USBO_K, "usbo_k", usbo_src, 0, G_USBO, M_USBO), + KCLK(ETHCK_K, "ethck_k", eth_src, 0, G_ETHCK, M_ETHCK), + + /* Particulary Kernel Clocks (no mux or no gate) */ + MGATE_MP1(DFSDM_K, "dfsdm_k", "ck_mcu", 0, G_DFSDM), + MGATE_MP1(DSI_PX, "dsi_px", "pll4_q", CLK_SET_RATE_PARENT, G_DSI), + MGATE_MP1(LTDC_PX, "ltdc_px", "pll4_q", CLK_SET_RATE_PARENT, G_LTDC), + MGATE_MP1(GPU_K, "gpu_k", "pll2_q", 0, G_GPU), + MGATE_MP1(DAC12_K, "dac12_k", "ck_lsi", 0, G_DAC12), + + COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE, + _NO_GATE, + _MMUX(M_ETHCK), + _DIV(RCC_ETHCKSELR, 4, 4, CLK_DIVIDER_ALLOW_ZERO, NULL)), + + /* RTC clock */ + DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 7, + CLK_DIVIDER_ALLOW_ZERO), + + COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_PARENT, + _GATE(RCC_BDCR, 20, 0), + _MUX(RCC_BDCR, 16, 2, 0), + _NO_DIV), + + /* MCO clocks */ + COMPOSITE(CK_MCO1, "ck_mco1", mco1_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO1CFGR, 12, 0), + _MUX(RCC_MCO1CFGR, 0, 3, 0), + _DIV(RCC_MCO1CFGR, 4, 4, 0, NULL)), + + COMPOSITE(CK_MCO2, "ck_mco2", mco2_src, CLK_OPS_PARENT_ENABLE | + CLK_SET_RATE_NO_REPARENT, + _GATE(RCC_MCO2CFGR, 12, 0), + _MUX(RCC_MCO2CFGR, 0, 3, 0), + _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)), + + /* Debug clocks */ + FIXED_FACTOR(NO_ID, "ck_axi_div2", "ck_axi", 0, 1, 2), + + GATE(DBG, "ck_apb_dbg", "ck_axi_div2", 0, RCC_DBGCFGR, 8, 0), + + GATE(CK_DBG, "ck_sys_dbg", "ck_axi", 0, RCC_DBGCFGR, 8, 0), + + COMPOSITE(CK_TRACE, "ck_trace", ck_trace_src, CLK_OPS_PARENT_ENABLE, + _GATE(RCC_DBGCFGR, 9, 0), + _NO_MUX, + _DIV(RCC_DBGCFGR, 0, 3, 0, ck_trace_div_table)), +}; + +struct stm32_clock_match_data { + const struct clock_config *cfg; + unsigned int num; + unsigned int maxbinding; +}; + +static struct stm32_clock_match_data stm32mp1_data = { + .cfg = stm32mp1_clock_cfg, + .num = ARRAY_SIZE(stm32mp1_clock_cfg), + .maxbinding = STM32MP1_LAST_CLK, +}; + +static const struct of_device_id stm32mp1_match_data[] = { + { + .compatible = "st,stm32mp1-rcc", + .data = &stm32mp1_data, + }, + { } +}; + +static int stm32_register_hw_clk(struct device *dev, + struct clk_hw_onecell_data *clk_data, + void __iomem *base, spinlock_t *lock, + const struct clock_config *cfg) +{ + static struct clk_hw **hws; + struct clk_hw *hw = ERR_PTR(-ENOENT); + + hws = clk_data->hws; + + if (cfg->func) + hw = (*cfg->func)(dev, clk_data, base, lock, cfg); + + if (IS_ERR(hw)) { + pr_err("Unable to register %s\n", cfg->name); + return PTR_ERR(hw); + } + + if (cfg->id != NO_ID) + hws[cfg->id] = hw; + + return 0; +} + +static int stm32_rcc_init(struct device_node *np, + void __iomem *base, + const struct of_device_id *match_data) +{ + struct clk_hw_onecell_data *clk_data; + struct clk_hw **hws; + const struct of_device_id *match; + const struct stm32_clock_match_data *data; + int err, n, max_binding; + + match = of_match_node(match_data, np); + if (!match) { + pr_err("%s: match data not found\n", __func__); + return -ENODEV; + } + + data = match->data; + + max_binding = data->maxbinding; + + clk_data = kzalloc(sizeof(*clk_data) + + sizeof(*clk_data->hws) * max_binding, + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clk_data->num = max_binding; + + hws = clk_data->hws; + + for (n = 0; n < max_binding; n++) + hws[n] = ERR_PTR(-ENOENT); + + for (n = 0; n < data->num; n++) { + err = stm32_register_hw_clk(NULL, clk_data, base, &rlock, + &data->cfg[n]); + if (err) { + pr_err("%s: can't register %s\n", __func__, + data->cfg[n].name); + + kfree(clk_data); + + return err; + } + } + + return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data); +} + +static void stm32mp1_rcc_init(struct device_node *np) +{ + void __iomem *base; + + base = of_iomap(np, 0); + if (!base) { + pr_err("%s: unable to map resource", np->name); + of_node_put(np); + return; + } + + if (stm32_rcc_init(np, base, stm32mp1_match_data)) { + iounmap(base); + of_node_put(np); + } +} + +CLK_OF_DECLARE_DRIVER(stm32mp1_rcc, "st,stm32mp1-rcc", stm32mp1_rcc_init); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 076d4244d672..ea67ac81c6f9 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2375,6 +2375,9 @@ static int clk_core_get_phase(struct clk_core *core) int ret; clk_prepare_lock(); + /* Always try to update cached phase if possible */ + if (core->ops->get_phase) + core->phase = core->ops->get_phase(core->hw); ret = core->phase; clk_prepare_unlock(); @@ -2491,19 +2494,7 @@ static int clk_summary_show(struct seq_file *s, void *data) return 0; } - - -static int clk_summary_open(struct inode *inode, struct file *file) -{ - return single_open(file, clk_summary_show, inode->i_private); -} - -static const struct file_operations clk_summary_fops = { - .open = clk_summary_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(clk_summary); static void clk_dump_one(struct seq_file *s, struct clk_core *c, int level) { @@ -2537,7 +2528,7 @@ static void clk_dump_subtree(struct seq_file *s, struct clk_core *c, int level) seq_putc(s, '}'); } -static int clk_dump(struct seq_file *s, void *data) +static int clk_dump_show(struct seq_file *s, void *data) { struct clk_core *c; bool first_node = true; @@ -2560,19 +2551,7 @@ static int clk_dump(struct seq_file *s, void *data) seq_puts(s, "}\n"); return 0; } - - -static int clk_dump_open(struct inode *inode, struct file *file) -{ - return single_open(file, clk_dump, inode->i_private); -} - -static const struct file_operations clk_dump_fops = { - .open = clk_dump_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(clk_dump); static const struct { unsigned long flag; @@ -2594,7 +2573,7 @@ static const struct { #undef ENTRY }; -static int clk_flags_dump(struct seq_file *s, void *data) +static int clk_flags_show(struct seq_file *s, void *data) { struct clk_core *core = s->private; unsigned long flags = core->flags; @@ -2613,20 +2592,9 @@ static int clk_flags_dump(struct seq_file *s, void *data) return 0; } +DEFINE_SHOW_ATTRIBUTE(clk_flags); -static int clk_flags_open(struct inode *inode, struct file *file) -{ - return single_open(file, clk_flags_dump, inode->i_private); -} - -static const struct file_operations clk_flags_fops = { - .open = clk_flags_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int possible_parents_dump(struct seq_file *s, void *data) +static int possible_parents_show(struct seq_file *s, void *data) { struct clk_core *core = s->private; int i; @@ -2638,18 +2606,7 @@ static int possible_parents_dump(struct seq_file *s, void *data) return 0; } - -static int possible_parents_open(struct inode *inode, struct file *file) -{ - return single_open(file, possible_parents_dump, inode->i_private); -} - -static const struct file_operations possible_parents_fops = { - .open = possible_parents_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(possible_parents); static int clk_debug_create_one(struct clk_core *core, struct dentry *pdentry) { @@ -2933,6 +2890,17 @@ static int __clk_core_init(struct clk_core *core) } /* + * optional platform-specific magic + * + * The .init callback is not used by any of the basic clock types, but + * exists for weird hardware that must perform initialization magic. + * Please consider other ways of solving initialization problems before + * using this callback, as its use is discouraged. + */ + if (core->ops->init) + core->ops->init(core->hw); + + /* * Set clk's accuracy. The preferred method is to use * .recalc_accuracy. For simple clocks and lazy developers the default * fallback is to use the parent's accuracy. If a clock doesn't have a @@ -3009,17 +2977,6 @@ static int __clk_core_init(struct clk_core *core) } } - /* - * optional platform-specific magic - * - * The .init callback is not used by any of the basic clock types, but - * exists for weird hardware that must perform initialization magic. - * Please consider other ways of solving initialization problems before - * using this callback, as its use is discouraged. - */ - if (core->ops->init) - core->ops->init(core->hw); - kref_init(&core->ref); out: clk_pm_runtime_put(core); diff --git a/drivers/clk/davinci/Makefile b/drivers/clk/davinci/Makefile new file mode 100644 index 000000000000..11178b79b483 --- /dev/null +++ b/drivers/clk/davinci/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0 + +ifeq ($(CONFIG_COMMON_CLK), y) +obj-$(CONFIG_ARCH_DAVINCI_DA8XX) += da8xx-cfgchip.o + +obj-y += pll.o +obj-$(CONFIG_ARCH_DAVINCI_DA830) += pll-da830.o +obj-$(CONFIG_ARCH_DAVINCI_DA850) += pll-da850.o +obj-$(CONFIG_ARCH_DAVINCI_DM355) += pll-dm355.o +obj-$(CONFIG_ARCH_DAVINCI_DM365) += pll-dm365.o +obj-$(CONFIG_ARCH_DAVINCI_DM644x) += pll-dm644x.o +obj-$(CONFIG_ARCH_DAVINCI_DM646x) += pll-dm646x.o + +obj-y += psc.o +obj-$(CONFIG_ARCH_DAVINCI_DA830) += psc-da830.o +obj-$(CONFIG_ARCH_DAVINCI_DA850) += psc-da850.o +obj-$(CONFIG_ARCH_DAVINCI_DM355) += psc-dm355.o +obj-$(CONFIG_ARCH_DAVINCI_DM365) += psc-dm365.o +obj-$(CONFIG_ARCH_DAVINCI_DM644x) += psc-dm644x.o +obj-$(CONFIG_ARCH_DAVINCI_DM646x) += psc-dm646x.o +endif diff --git a/drivers/clk/davinci/da8xx-cfgchip.c b/drivers/clk/davinci/da8xx-cfgchip.c new file mode 100644 index 000000000000..c971111d2601 --- /dev/null +++ b/drivers/clk/davinci/da8xx-cfgchip.c @@ -0,0 +1,790 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Clock driver for DA8xx/AM17xx/AM18xx/OMAP-L13x CFGCHIP + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/mfd/da8xx-cfgchip.h> +#include <linux/mfd/syscon.h> +#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_data/clk-da8xx-cfgchip.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +/* --- Gate clocks --- */ + +#define DA8XX_GATE_CLOCK_IS_DIV4P5 BIT(1) + +struct da8xx_cfgchip_gate_clk_info { + const char *name; + u32 cfgchip; + u32 bit; + u32 flags; +}; + +struct da8xx_cfgchip_gate_clk { + struct clk_hw hw; + struct regmap *regmap; + u32 reg; + u32 mask; +}; + +#define to_da8xx_cfgchip_gate_clk(_hw) \ + container_of((_hw), struct da8xx_cfgchip_gate_clk, hw) + +static int da8xx_cfgchip_gate_clk_enable(struct clk_hw *hw) +{ + struct da8xx_cfgchip_gate_clk *clk = to_da8xx_cfgchip_gate_clk(hw); + + return regmap_write_bits(clk->regmap, clk->reg, clk->mask, clk->mask); +} + +static void da8xx_cfgchip_gate_clk_disable(struct clk_hw *hw) +{ + struct da8xx_cfgchip_gate_clk *clk = to_da8xx_cfgchip_gate_clk(hw); + + regmap_write_bits(clk->regmap, clk->reg, clk->mask, 0); +} + +static int da8xx_cfgchip_gate_clk_is_enabled(struct clk_hw *hw) +{ + struct da8xx_cfgchip_gate_clk *clk = to_da8xx_cfgchip_gate_clk(hw); + unsigned int val; + + regmap_read(clk->regmap, clk->reg, &val); + + return !!(val & clk->mask); +} + +static unsigned long da8xx_cfgchip_div4p5_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + /* this clock divides by 4.5 */ + return parent_rate * 2 / 9; +} + +static const struct clk_ops da8xx_cfgchip_gate_clk_ops = { + .enable = da8xx_cfgchip_gate_clk_enable, + .disable = da8xx_cfgchip_gate_clk_disable, + .is_enabled = da8xx_cfgchip_gate_clk_is_enabled, +}; + +static const struct clk_ops da8xx_cfgchip_div4p5_clk_ops = { + .enable = da8xx_cfgchip_gate_clk_enable, + .disable = da8xx_cfgchip_gate_clk_disable, + .is_enabled = da8xx_cfgchip_gate_clk_is_enabled, + .recalc_rate = da8xx_cfgchip_div4p5_recalc_rate, +}; + +static struct da8xx_cfgchip_gate_clk * __init +da8xx_cfgchip_gate_clk_register(struct device *dev, + const struct da8xx_cfgchip_gate_clk_info *info, + struct regmap *regmap) +{ + struct clk *parent; + const char *parent_name; + struct da8xx_cfgchip_gate_clk *gate; + struct clk_init_data init; + int ret; + + parent = devm_clk_get(dev, NULL); + if (IS_ERR(parent)) + return ERR_CAST(parent); + + parent_name = __clk_get_name(parent); + + gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + init.name = info->name; + if (info->flags & DA8XX_GATE_CLOCK_IS_DIV4P5) + init.ops = &da8xx_cfgchip_div4p5_clk_ops; + else + init.ops = &da8xx_cfgchip_gate_clk_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = 0; + + gate->hw.init = &init; + gate->regmap = regmap; + gate->reg = info->cfgchip; + gate->mask = info->bit; + + ret = devm_clk_hw_register(dev, &gate->hw); + if (ret < 0) + return ERR_PTR(ret); + + return gate; +} + +static const struct da8xx_cfgchip_gate_clk_info da8xx_tbclksync_info __initconst = { + .name = "ehrpwm_tbclk", + .cfgchip = CFGCHIP(1), + .bit = CFGCHIP1_TBCLKSYNC, +}; + +static int __init da8xx_cfgchip_register_tbclk(struct device *dev, + struct regmap *regmap) +{ + struct da8xx_cfgchip_gate_clk *gate; + + gate = da8xx_cfgchip_gate_clk_register(dev, &da8xx_tbclksync_info, + regmap); + if (IS_ERR(gate)) + return PTR_ERR(gate); + + clk_hw_register_clkdev(&gate->hw, "tbclk", "ehrpwm.0"); + clk_hw_register_clkdev(&gate->hw, "tbclk", "ehrpwm.1"); + + return 0; +} + +static const struct da8xx_cfgchip_gate_clk_info da8xx_div4p5ena_info __initconst = { + .name = "div4.5", + .cfgchip = CFGCHIP(3), + .bit = CFGCHIP3_DIV45PENA, + .flags = DA8XX_GATE_CLOCK_IS_DIV4P5, +}; + +static int __init da8xx_cfgchip_register_div4p5(struct device *dev, + struct regmap *regmap) +{ + struct da8xx_cfgchip_gate_clk *gate; + + gate = da8xx_cfgchip_gate_clk_register(dev, &da8xx_div4p5ena_info, regmap); + if (IS_ERR(gate)) + return PTR_ERR(gate); + + return 0; +} + +static int __init +of_da8xx_cfgchip_gate_clk_init(struct device *dev, + const struct da8xx_cfgchip_gate_clk_info *info, + struct regmap *regmap) +{ + struct da8xx_cfgchip_gate_clk *gate; + + gate = da8xx_cfgchip_gate_clk_register(dev, info, regmap); + if (IS_ERR(gate)) + return PTR_ERR(gate); + + return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, gate); +} + +static int __init of_da8xx_tbclksync_init(struct device *dev, + struct regmap *regmap) +{ + return of_da8xx_cfgchip_gate_clk_init(dev, &da8xx_tbclksync_info, regmap); +} + +static int __init of_da8xx_div4p5ena_init(struct device *dev, + struct regmap *regmap) +{ + return of_da8xx_cfgchip_gate_clk_init(dev, &da8xx_div4p5ena_info, regmap); +} + +/* --- MUX clocks --- */ + +struct da8xx_cfgchip_mux_clk_info { + const char *name; + const char *parent0; + const char *parent1; + u32 cfgchip; + u32 bit; +}; + +struct da8xx_cfgchip_mux_clk { + struct clk_hw hw; + struct regmap *regmap; + u32 reg; + u32 mask; +}; + +#define to_da8xx_cfgchip_mux_clk(_hw) \ + container_of((_hw), struct da8xx_cfgchip_mux_clk, hw) + +static int da8xx_cfgchip_mux_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct da8xx_cfgchip_mux_clk *clk = to_da8xx_cfgchip_mux_clk(hw); + unsigned int val = index ? clk->mask : 0; + + return regmap_write_bits(clk->regmap, clk->reg, clk->mask, val); +} + +static u8 da8xx_cfgchip_mux_clk_get_parent(struct clk_hw *hw) +{ + struct da8xx_cfgchip_mux_clk *clk = to_da8xx_cfgchip_mux_clk(hw); + unsigned int val; + + regmap_read(clk->regmap, clk->reg, &val); + + return (val & clk->mask) ? 1 : 0; +} + +static const struct clk_ops da8xx_cfgchip_mux_clk_ops = { + .set_parent = da8xx_cfgchip_mux_clk_set_parent, + .get_parent = da8xx_cfgchip_mux_clk_get_parent, +}; + +static struct da8xx_cfgchip_mux_clk * __init +da8xx_cfgchip_mux_clk_register(struct device *dev, + const struct da8xx_cfgchip_mux_clk_info *info, + struct regmap *regmap) +{ + const char * const parent_names[] = { info->parent0, info->parent1 }; + struct da8xx_cfgchip_mux_clk *mux; + struct clk_init_data init; + int ret; + + mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + init.name = info->name; + init.ops = &da8xx_cfgchip_mux_clk_ops; + init.parent_names = parent_names; + init.num_parents = 2; + init.flags = 0; + + mux->hw.init = &init; + mux->regmap = regmap; + mux->reg = info->cfgchip; + mux->mask = info->bit; + + ret = devm_clk_hw_register(dev, &mux->hw); + if (ret < 0) + return ERR_PTR(ret); + + return mux; +} + +static const struct da8xx_cfgchip_mux_clk_info da850_async1_info __initconst = { + .name = "async1", + .parent0 = "pll0_sysclk3", + .parent1 = "div4.5", + .cfgchip = CFGCHIP(3), + .bit = CFGCHIP3_EMA_CLKSRC, +}; + +static int __init da8xx_cfgchip_register_async1(struct device *dev, + struct regmap *regmap) +{ + struct da8xx_cfgchip_mux_clk *mux; + + mux = da8xx_cfgchip_mux_clk_register(dev, &da850_async1_info, regmap); + if (IS_ERR(mux)) + return PTR_ERR(mux); + + clk_hw_register_clkdev(&mux->hw, "async1", "da850-psc0"); + + return 0; +} + +static const struct da8xx_cfgchip_mux_clk_info da850_async3_info __initconst = { + .name = "async3", + .parent0 = "pll0_sysclk2", + .parent1 = "pll1_sysclk2", + .cfgchip = CFGCHIP(3), + .bit = CFGCHIP3_ASYNC3_CLKSRC, +}; + +static int __init da850_cfgchip_register_async3(struct device *dev, + struct regmap *regmap) +{ + struct da8xx_cfgchip_mux_clk *mux; + struct clk_hw *parent; + + mux = da8xx_cfgchip_mux_clk_register(dev, &da850_async3_info, regmap); + if (IS_ERR(mux)) + return PTR_ERR(mux); + + clk_hw_register_clkdev(&mux->hw, "async3", "da850-psc1"); + + /* pll1_sysclk2 is not affected by CPU scaling, so use it for async3 */ + parent = clk_hw_get_parent_by_index(&mux->hw, 1); + if (parent) + clk_set_parent(mux->hw.clk, parent->clk); + else + dev_warn(dev, "Failed to find async3 parent clock\n"); + + return 0; +} + +static int __init +of_da8xx_cfgchip_init_mux_clock(struct device *dev, + const struct da8xx_cfgchip_mux_clk_info *info, + struct regmap *regmap) +{ + struct da8xx_cfgchip_mux_clk *mux; + + mux = da8xx_cfgchip_mux_clk_register(dev, info, regmap); + if (IS_ERR(mux)) + return PTR_ERR(mux); + + return devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get, &mux->hw); +} + +static int __init of_da850_async1_init(struct device *dev, struct regmap *regmap) +{ + return of_da8xx_cfgchip_init_mux_clock(dev, &da850_async1_info, regmap); +} + +static int __init of_da850_async3_init(struct device *dev, struct regmap *regmap) +{ + return of_da8xx_cfgchip_init_mux_clock(dev, &da850_async3_info, regmap); +} + +/* --- USB 2.0 PHY clock --- */ + +struct da8xx_usb0_clk48 { + struct clk_hw hw; + struct clk *fck; + struct regmap *regmap; +}; + +#define to_da8xx_usb0_clk48(_hw) \ + container_of((_hw), struct da8xx_usb0_clk48, hw) + +static int da8xx_usb0_clk48_prepare(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + + /* The USB 2.0 PSC clock is only needed temporarily during the USB 2.0 + * PHY clock enable, but since clk_prepare() can't be called in an + * atomic context (i.e. in clk_enable()), we have to prepare it here. + */ + return clk_prepare(usb0->fck); +} + +static void da8xx_usb0_clk48_unprepare(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + + clk_unprepare(usb0->fck); +} + +static int da8xx_usb0_clk48_enable(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + unsigned int mask, val; + int ret; + + /* Locking the USB 2.O PLL requires that the USB 2.O PSC is enabled + * temporaily. It can be turned back off once the PLL is locked. + */ + clk_enable(usb0->fck); + + /* Turn on the USB 2.0 PHY, but just the PLL, and not OTG. The USB 1.1 + * PHY may use the USB 2.0 PLL clock without USB 2.0 OTG being used. + */ + mask = CFGCHIP2_RESET | CFGCHIP2_PHYPWRDN | CFGCHIP2_PHY_PLLON; + val = CFGCHIP2_PHY_PLLON; + + regmap_write_bits(usb0->regmap, CFGCHIP(2), mask, val); + ret = regmap_read_poll_timeout(usb0->regmap, CFGCHIP(2), val, + val & CFGCHIP2_PHYCLKGD, 0, 500000); + + clk_disable(usb0->fck); + + return ret; +} + +static void da8xx_usb0_clk48_disable(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + unsigned int val; + + val = CFGCHIP2_PHYPWRDN; + regmap_write_bits(usb0->regmap, CFGCHIP(2), val, val); +} + +static int da8xx_usb0_clk48_is_enabled(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + unsigned int val; + + regmap_read(usb0->regmap, CFGCHIP(2), &val); + + return !!(val & CFGCHIP2_PHYCLKGD); +} + +static unsigned long da8xx_usb0_clk48_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + unsigned int mask, val; + + /* The parent clock rate must be one of the following */ + mask = CFGCHIP2_REFFREQ_MASK; + switch (parent_rate) { + case 12000000: + val = CFGCHIP2_REFFREQ_12MHZ; + break; + case 13000000: + val = CFGCHIP2_REFFREQ_13MHZ; + break; + case 19200000: + val = CFGCHIP2_REFFREQ_19_2MHZ; + break; + case 20000000: + val = CFGCHIP2_REFFREQ_20MHZ; + break; + case 24000000: + val = CFGCHIP2_REFFREQ_24MHZ; + break; + case 26000000: + val = CFGCHIP2_REFFREQ_26MHZ; + break; + case 38400000: + val = CFGCHIP2_REFFREQ_38_4MHZ; + break; + case 40000000: + val = CFGCHIP2_REFFREQ_40MHZ; + break; + case 48000000: + val = CFGCHIP2_REFFREQ_48MHZ; + break; + default: + return 0; + } + + regmap_write_bits(usb0->regmap, CFGCHIP(2), mask, val); + + /* USB 2.0 PLL always supplies 48MHz */ + return 48000000; +} + +static long da8xx_usb0_clk48_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + return 48000000; +} + +static int da8xx_usb0_clk48_set_parent(struct clk_hw *hw, u8 index) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + + return regmap_write_bits(usb0->regmap, CFGCHIP(2), + CFGCHIP2_USB2PHYCLKMUX, + index ? CFGCHIP2_USB2PHYCLKMUX : 0); +} + +static u8 da8xx_usb0_clk48_get_parent(struct clk_hw *hw) +{ + struct da8xx_usb0_clk48 *usb0 = to_da8xx_usb0_clk48(hw); + unsigned int val; + + regmap_read(usb0->regmap, CFGCHIP(2), &val); + + return (val & CFGCHIP2_USB2PHYCLKMUX) ? 1 : 0; +} + +static const struct clk_ops da8xx_usb0_clk48_ops = { + .prepare = da8xx_usb0_clk48_prepare, + .unprepare = da8xx_usb0_clk48_unprepare, + .enable = da8xx_usb0_clk48_enable, + .disable = da8xx_usb0_clk48_disable, + .is_enabled = da8xx_usb0_clk48_is_enabled, + .recalc_rate = da8xx_usb0_clk48_recalc_rate, + .round_rate = da8xx_usb0_clk48_round_rate, + .set_parent = da8xx_usb0_clk48_set_parent, + .get_parent = da8xx_usb0_clk48_get_parent, +}; + +static struct da8xx_usb0_clk48 * +da8xx_cfgchip_register_usb0_clk48(struct device *dev, + struct regmap *regmap) +{ + const char * const parent_names[] = { "usb_refclkin", "pll0_auxclk" }; + struct clk *fck_clk; + struct da8xx_usb0_clk48 *usb0; + struct clk_init_data init; + int ret; + + fck_clk = devm_clk_get(dev, "fck"); + if (IS_ERR(fck_clk)) { + if (PTR_ERR(fck_clk) != -EPROBE_DEFER) + dev_err(dev, "Missing fck clock\n"); + return ERR_CAST(fck_clk); + } + + usb0 = devm_kzalloc(dev, sizeof(*usb0), GFP_KERNEL); + if (!usb0) + return ERR_PTR(-ENOMEM); + + init.name = "usb0_clk48"; + init.ops = &da8xx_usb0_clk48_ops; + init.parent_names = parent_names; + init.num_parents = 2; + + usb0->hw.init = &init; + usb0->fck = fck_clk; + usb0->regmap = regmap; + + ret = devm_clk_hw_register(dev, &usb0->hw); + if (ret < 0) + return ERR_PTR(ret); + + return usb0; +} + +/* --- USB 1.1 PHY clock --- */ + +struct da8xx_usb1_clk48 { + struct clk_hw hw; + struct regmap *regmap; +}; + +#define to_da8xx_usb1_clk48(_hw) \ + container_of((_hw), struct da8xx_usb1_clk48, hw) + +static int da8xx_usb1_clk48_set_parent(struct clk_hw *hw, u8 index) +{ + struct da8xx_usb1_clk48 *usb1 = to_da8xx_usb1_clk48(hw); + + return regmap_write_bits(usb1->regmap, CFGCHIP(2), + CFGCHIP2_USB1PHYCLKMUX, + index ? CFGCHIP2_USB1PHYCLKMUX : 0); +} + +static u8 da8xx_usb1_clk48_get_parent(struct clk_hw *hw) +{ + struct da8xx_usb1_clk48 *usb1 = to_da8xx_usb1_clk48(hw); + unsigned int val; + + regmap_read(usb1->regmap, CFGCHIP(2), &val); + + return (val & CFGCHIP2_USB1PHYCLKMUX) ? 1 : 0; +} + +static const struct clk_ops da8xx_usb1_clk48_ops = { + .set_parent = da8xx_usb1_clk48_set_parent, + .get_parent = da8xx_usb1_clk48_get_parent, +}; + +/** + * da8xx_cfgchip_register_usb1_clk48 - Register a new USB 1.1 PHY clock + * @regmap: The CFGCHIP regmap + */ +static struct da8xx_usb1_clk48 * +da8xx_cfgchip_register_usb1_clk48(struct device *dev, + struct regmap *regmap) +{ + const char * const parent_names[] = { "usb0_clk48", "usb_refclkin" }; + struct da8xx_usb1_clk48 *usb1; + struct clk_init_data init; + int ret; + + usb1 = devm_kzalloc(dev, sizeof(*usb1), GFP_KERNEL); + if (!usb1) + return ERR_PTR(-ENOMEM); + + init.name = "usb1_clk48"; + init.ops = &da8xx_usb1_clk48_ops; + init.parent_names = parent_names; + init.num_parents = 2; + + usb1->hw.init = &init; + usb1->regmap = regmap; + + ret = devm_clk_hw_register(dev, &usb1->hw); + if (ret < 0) + return ERR_PTR(ret); + + return usb1; +} + +static int da8xx_cfgchip_register_usb_phy_clk(struct device *dev, + struct regmap *regmap) +{ + struct da8xx_usb0_clk48 *usb0; + struct da8xx_usb1_clk48 *usb1; + struct clk_hw *parent; + + usb0 = da8xx_cfgchip_register_usb0_clk48(dev, regmap); + if (IS_ERR(usb0)) + return PTR_ERR(usb0); + + /* + * All existing boards use pll0_auxclk as the parent and new boards + * should use device tree, so hard-coding the value (1) here. + */ + parent = clk_hw_get_parent_by_index(&usb0->hw, 1); + if (parent) + clk_set_parent(usb0->hw.clk, parent->clk); + else + dev_warn(dev, "Failed to find usb0 parent clock\n"); + + usb1 = da8xx_cfgchip_register_usb1_clk48(dev, regmap); + if (IS_ERR(usb1)) + return PTR_ERR(usb1); + + /* + * All existing boards use usb0_clk48 as the parent and new boards + * should use device tree, so hard-coding the value (0) here. + */ + parent = clk_hw_get_parent_by_index(&usb1->hw, 0); + if (parent) + clk_set_parent(usb1->hw.clk, parent->clk); + else + dev_warn(dev, "Failed to find usb1 parent clock\n"); + + clk_hw_register_clkdev(&usb0->hw, "usb0_clk48", "da8xx-usb-phy"); + clk_hw_register_clkdev(&usb1->hw, "usb1_clk48", "da8xx-usb-phy"); + + return 0; +} + +static int of_da8xx_usb_phy_clk_init(struct device *dev, struct regmap *regmap) +{ + struct clk_hw_onecell_data *clk_data; + struct da8xx_usb0_clk48 *usb0; + struct da8xx_usb1_clk48 *usb1; + + clk_data = devm_kzalloc(dev, sizeof(*clk_data) + 2 * + sizeof(*clk_data->hws), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clk_data->num = 2; + + usb0 = da8xx_cfgchip_register_usb0_clk48(dev, regmap); + if (IS_ERR(usb0)) { + if (PTR_ERR(usb0) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + dev_warn(dev, "Failed to register usb0_clk48 (%ld)\n", + PTR_ERR(usb0)); + + clk_data->hws[0] = ERR_PTR(-ENOENT); + } else { + clk_data->hws[0] = &usb0->hw; + } + + usb1 = da8xx_cfgchip_register_usb1_clk48(dev, regmap); + if (IS_ERR(usb1)) { + if (PTR_ERR(usb0) == -EPROBE_DEFER) + return -EPROBE_DEFER; + + dev_warn(dev, "Failed to register usb1_clk48 (%ld)\n", + PTR_ERR(usb1)); + + clk_data->hws[1] = ERR_PTR(-ENOENT); + } else { + clk_data->hws[1] = &usb1->hw; + } + + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data); +} + +/* --- platform device --- */ + +static const struct of_device_id da8xx_cfgchip_of_match[] = { + { + .compatible = "ti,da830-tbclksync", + .data = of_da8xx_tbclksync_init, + }, + { + .compatible = "ti,da830-div4p5ena", + .data = of_da8xx_div4p5ena_init, + }, + { + .compatible = "ti,da850-async1-clksrc", + .data = of_da850_async1_init, + }, + { + .compatible = "ti,da850-async3-clksrc", + .data = of_da850_async3_init, + }, + { + .compatible = "ti,da830-usb-phy-clocks", + .data = of_da8xx_usb_phy_clk_init, + }, + { } +}; + +static const struct platform_device_id da8xx_cfgchip_id_table[] = { + { + .name = "da830-tbclksync", + .driver_data = (kernel_ulong_t)da8xx_cfgchip_register_tbclk, + }, + { + .name = "da830-div4p5ena", + .driver_data = (kernel_ulong_t)da8xx_cfgchip_register_div4p5, + }, + { + .name = "da850-async1-clksrc", + .driver_data = (kernel_ulong_t)da8xx_cfgchip_register_async1, + }, + { + .name = "da850-async3-clksrc", + .driver_data = (kernel_ulong_t)da850_cfgchip_register_async3, + }, + { + .name = "da830-usb-phy-clks", + .driver_data = (kernel_ulong_t)da8xx_cfgchip_register_usb_phy_clk, + }, + { } +}; + +typedef int (*da8xx_cfgchip_init)(struct device *dev, struct regmap *regmap); + +static int da8xx_cfgchip_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct da8xx_cfgchip_clk_platform_data *pdata = dev->platform_data; + const struct of_device_id *of_id; + da8xx_cfgchip_init clk_init = NULL; + struct regmap *regmap = NULL; + + of_id = of_match_device(da8xx_cfgchip_of_match, dev); + if (of_id) { + struct device_node *parent; + + clk_init = of_id->data; + parent = of_get_parent(dev->of_node); + regmap = syscon_node_to_regmap(parent); + of_node_put(parent); + } else if (pdev->id_entry && pdata) { + clk_init = (void *)pdev->id_entry->driver_data; + regmap = pdata->cfgchip; + } + + if (!clk_init) { + dev_err(dev, "unable to find driver data\n"); + return -EINVAL; + } + + if (IS_ERR_OR_NULL(regmap)) { + dev_err(dev, "no regmap for CFGCHIP syscon\n"); + return regmap ? PTR_ERR(regmap) : -ENOENT; + } + + return clk_init(dev, regmap); +} + +static struct platform_driver da8xx_cfgchip_driver = { + .probe = da8xx_cfgchip_probe, + .driver = { + .name = "da8xx-cfgchip-clk", + .of_match_table = da8xx_cfgchip_of_match, + }, + .id_table = da8xx_cfgchip_id_table, +}; + +static int __init da8xx_cfgchip_driver_init(void) +{ + return platform_driver_register(&da8xx_cfgchip_driver); +} + +/* has to be postcore_initcall because PSC devices depend on the async3 clock */ +postcore_initcall(da8xx_cfgchip_driver_init); diff --git a/drivers/clk/davinci/pll-da830.c b/drivers/clk/davinci/pll-da830.c new file mode 100644 index 000000000000..929a3d3a9adb --- /dev/null +++ b/drivers/clk/davinci/pll-da830.c @@ -0,0 +1,70 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DA830/OMAP-L137/AM17XX + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clkdev.h> +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info da830_pll_info = { + .name = "pll0", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 4, + .pllm_max = 32, + .pllout_min_rate = 300000000, + .pllout_max_rate = 600000000, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_HAS_POSTDIV, +}; + +/* + * NB: Technically, the clocks flagged as SYSCLK_FIXED_DIV are "fixed ratio", + * meaning that we could change the divider as long as we keep the correct + * ratio between all of the clocks, but we don't support that because there is + * currently not a need for it. + */ + +SYSCLK(2, pll0_sysclk2, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(3, pll0_sysclk3, pll0_pllen, 5, 0); +SYSCLK(4, pll0_sysclk4, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(5, pll0_sysclk5, pll0_pllen, 5, 0); +SYSCLK(6, pll0_sysclk6, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(7, pll0_sysclk7, pll0_pllen, 5, 0); + +int da830_pll_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &da830_pll_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk2, base); + clk_register_clkdev(clk, "pll0_sysclk2", "da830-psc0"); + clk_register_clkdev(clk, "pll0_sysclk2", "da830-psc1"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk3, base); + clk_register_clkdev(clk, "pll0_sysclk3", "da830-psc0"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk4, base); + clk_register_clkdev(clk, "pll0_sysclk4", "da830-psc0"); + clk_register_clkdev(clk, "pll0_sysclk4", "da830-psc1"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk5, base); + clk_register_clkdev(clk, "pll0_sysclk5", "da830-psc1"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk6, base); + clk_register_clkdev(clk, "pll0_sysclk6", "da830-psc0"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk7, base); + + clk = davinci_pll_auxclk_register(dev, "pll0_auxclk", base); + clk_register_clkdev(clk, NULL, "i2c_davinci.1"); + clk_register_clkdev(clk, "timer0", NULL); + clk_register_clkdev(clk, NULL, "davinci-wdt"); + + return 0; +} diff --git a/drivers/clk/davinci/pll-da850.c b/drivers/clk/davinci/pll-da850.c new file mode 100644 index 000000000000..2a038b7908cc --- /dev/null +++ b/drivers/clk/davinci/pll-da850.c @@ -0,0 +1,212 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DA850/OMAP-L138/AM18XX + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/bitops.h> +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/mfd/da8xx-cfgchip.h> +#include <linux/of.h> +#include <linux/types.h> + +#include "pll.h" + +#define OCSEL_OCSRC_OSCIN 0x14 +#define OCSEL_OCSRC_PLL0_SYSCLK(n) (0x16 + (n)) +#define OCSEL_OCSRC_PLL1_OBSCLK 0x1e +#define OCSEL_OCSRC_PLL1_SYSCLK(n) (0x16 + (n)) + +static const struct davinci_pll_clk_info da850_pll0_info = { + .name = "pll0", + .unlock_reg = CFGCHIP(0), + .unlock_mask = CFGCHIP0_PLL_MASTER_LOCK, + .pllm_mask = GENMASK(4, 0), + .pllm_min = 4, + .pllm_max = 32, + .pllout_min_rate = 300000000, + .pllout_max_rate = 600000000, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_HAS_POSTDIV | + PLL_HAS_EXTCLKSRC, +}; + +/* + * NB: Technically, the clocks flagged as SYSCLK_FIXED_DIV are "fixed ratio", + * meaning that we could change the divider as long as we keep the correct + * ratio between all of the clocks, but we don't support that because there is + * currently not a need for it. + */ + +SYSCLK(1, pll0_sysclk1, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(2, pll0_sysclk2, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(3, pll0_sysclk3, pll0_pllen, 5, 0); +SYSCLK(4, pll0_sysclk4, pll0_pllen, 5, SYSCLK_FIXED_DIV); +SYSCLK(5, pll0_sysclk5, pll0_pllen, 5, 0); +SYSCLK(6, pll0_sysclk6, pll0_pllen, 5, SYSCLK_ARM_RATE | SYSCLK_FIXED_DIV); +SYSCLK(7, pll0_sysclk7, pll0_pllen, 5, 0); + +static const char * const da850_pll0_obsclk_parent_names[] = { + "oscin", + "pll0_sysclk1", + "pll0_sysclk2", + "pll0_sysclk3", + "pll0_sysclk4", + "pll0_sysclk5", + "pll0_sysclk6", + "pll0_sysclk7", + "pll1_obsclk", +}; + +static u32 da850_pll0_obsclk_table[] = { + OCSEL_OCSRC_OSCIN, + OCSEL_OCSRC_PLL0_SYSCLK(1), + OCSEL_OCSRC_PLL0_SYSCLK(2), + OCSEL_OCSRC_PLL0_SYSCLK(3), + OCSEL_OCSRC_PLL0_SYSCLK(4), + OCSEL_OCSRC_PLL0_SYSCLK(5), + OCSEL_OCSRC_PLL0_SYSCLK(6), + OCSEL_OCSRC_PLL0_SYSCLK(7), + OCSEL_OCSRC_PLL1_OBSCLK, +}; + +static const struct davinci_pll_obsclk_info da850_pll0_obsclk_info = { + .name = "pll0_obsclk", + .parent_names = da850_pll0_obsclk_parent_names, + .num_parents = ARRAY_SIZE(da850_pll0_obsclk_parent_names), + .table = da850_pll0_obsclk_table, + .ocsrc_mask = GENMASK(4, 0), +}; + +int da850_pll0_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &da850_pll0_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk1, base); + clk_register_clkdev(clk, "pll0_sysclk1", "da850-psc0"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk2, base); + clk_register_clkdev(clk, "pll0_sysclk2", "da850-psc0"); + clk_register_clkdev(clk, "pll0_sysclk2", "da850-psc1"); + clk_register_clkdev(clk, "pll0_sysclk2", "da850-async3-clksrc"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk3, base); + clk_register_clkdev(clk, "pll0_sysclk3", "da850-async1-clksrc"); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk4, base); + clk_register_clkdev(clk, "pll0_sysclk4", "da850-psc0"); + clk_register_clkdev(clk, "pll0_sysclk4", "da850-psc1"); + + davinci_pll_sysclk_register(dev, &pll0_sysclk5, base); + + clk = davinci_pll_sysclk_register(dev, &pll0_sysclk6, base); + clk_register_clkdev(clk, "pll0_sysclk6", "da850-psc0"); + + davinci_pll_sysclk_register(dev, &pll0_sysclk7, base); + + davinci_pll_auxclk_register(dev, "pll0_auxclk", base); + + clk = clk_register_fixed_factor(dev, "async2", "pll0_auxclk", + CLK_IS_CRITICAL, 1, 1); + + clk_register_clkdev(clk, NULL, "i2c_davinci.1"); + clk_register_clkdev(clk, "timer0", NULL); + clk_register_clkdev(clk, NULL, "davinci-wdt"); + + davinci_pll_obsclk_register(dev, &da850_pll0_obsclk_info, base); + + return 0; +} + +static const struct davinci_pll_sysclk_info *da850_pll0_sysclk_info[] = { + &pll0_sysclk1, + &pll0_sysclk2, + &pll0_sysclk3, + &pll0_sysclk4, + &pll0_sysclk5, + &pll0_sysclk6, + &pll0_sysclk7, + NULL +}; + +int of_da850_pll0_init(struct device *dev, void __iomem *base) +{ + return of_davinci_pll_init(dev, &da850_pll0_info, + &da850_pll0_obsclk_info, + da850_pll0_sysclk_info, 7, base); +} + +static const struct davinci_pll_clk_info da850_pll1_info = { + .name = "pll1", + .unlock_reg = CFGCHIP(3), + .unlock_mask = CFGCHIP3_PLL1_MASTER_LOCK, + .pllm_mask = GENMASK(4, 0), + .pllm_min = 4, + .pllm_max = 32, + .pllout_min_rate = 300000000, + .pllout_max_rate = 600000000, + .flags = PLL_HAS_POSTDIV, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 5, 0); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 5, 0); + +static const char * const da850_pll1_obsclk_parent_names[] = { + "oscin", + "pll1_sysclk1", + "pll1_sysclk2", + "pll1_sysclk3", +}; + +static u32 da850_pll1_obsclk_table[] = { + OCSEL_OCSRC_OSCIN, + OCSEL_OCSRC_PLL1_SYSCLK(1), + OCSEL_OCSRC_PLL1_SYSCLK(2), + OCSEL_OCSRC_PLL1_SYSCLK(3), +}; + +static const struct davinci_pll_obsclk_info da850_pll1_obsclk_info = { + .name = "pll1_obsclk", + .parent_names = da850_pll1_obsclk_parent_names, + .num_parents = ARRAY_SIZE(da850_pll1_obsclk_parent_names), + .table = da850_pll1_obsclk_table, + .ocsrc_mask = GENMASK(4, 0), +}; + +int da850_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &da850_pll1_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "da850-async3-clksrc"); + + davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + + davinci_pll_obsclk_register(dev, &da850_pll1_obsclk_info, base); + + return 0; +} + +static const struct davinci_pll_sysclk_info *da850_pll1_sysclk_info[] = { + &pll1_sysclk1, + &pll1_sysclk2, + &pll1_sysclk3, + NULL +}; + +int of_da850_pll1_init(struct device *dev, void __iomem *base) +{ + return of_davinci_pll_init(dev, &da850_pll1_info, + &da850_pll1_obsclk_info, + da850_pll1_sysclk_info, 3, base); +} diff --git a/drivers/clk/davinci/pll-dm355.c b/drivers/clk/davinci/pll-dm355.c new file mode 100644 index 000000000000..5345f8286c50 --- /dev/null +++ b/drivers/clk/davinci/pll-dm355.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM355 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/bitops.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm355_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | + PLL_PREDIV_FIXED8 | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll1_sysclk1, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); +SYSCLK(2, pll1_sysclk2, pll1, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); +SYSCLK(3, pll1_sysclk3, pll1, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(4, pll1_sysclk4, pll1, 5, SYSCLK_ALWAYS_ENABLED); + +int dm355_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm355_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm355-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm355-psc"); + + clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + clk_register_clkdev(clk, "pll1_auxclk", "dm355-psc"); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm355_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(7, 0), + .pllm_min = 92, + .pllm_max = 184, + .flags = PLL_HAS_PREDIV | PLL_PREDIV_ALWAYS_ENABLED | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll2_sysclk1, pll2, 5, SYSCLK_FIXED_DIV); +SYSCLK(2, pll2_sysclk2, pll2, 5, SYSCLK_FIXED_DIV | SYSCLK_ALWAYS_ENABLED); + +int dm355_pll2_init(struct device *dev, void __iomem *base) +{ + davinci_pll_clk_register(dev, &dm355_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk2, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base); + + return 0; +} diff --git a/drivers/clk/davinci/pll-dm365.c b/drivers/clk/davinci/pll-dm365.c new file mode 100644 index 000000000000..5f8d9f42d0f3 --- /dev/null +++ b/drivers/clk/davinci/pll-dm365.c @@ -0,0 +1,145 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM365 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/bitops.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "pll.h" + +#define OCSEL_OCSRC_ENABLE 0 + +static const struct davinci_pll_clk_info dm365_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(9, 0), + .pllm_min = 1, + .pllm_max = 1023, + .flags = PLL_HAS_CLKMODE | PLL_HAS_PREDIV | PLL_HAS_POSTDIV | + PLL_POSTDIV_ALWAYS_ENABLED | PLL_PLLM_2X, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(4, pll1_sysclk4, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(5, pll1_sysclk5, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(6, pll1_sysclk6, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(7, pll1_sysclk7, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(8, pll1_sysclk8, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(9, pll1_sysclk9, pll1_pllen, 5, SYSCLK_ALWAYS_ENABLED); + +/* + * This is a bit of a hack to make OCSEL[OCSRC] on DM365 look like OCSEL[OCSRC] + * on DA850. On DM365, OCSEL[OCSRC] is just an enable/disable bit instead of a + * multiplexer. By modeling it as a single parent mux clock, the clock code will + * still do the right thing in this case. + */ +static const char * const dm365_pll_obsclk_parent_names[] = { + "oscin", +}; + +static u32 dm365_pll_obsclk_table[] = { + OCSEL_OCSRC_ENABLE, +}; + +static const struct davinci_pll_obsclk_info dm365_pll1_obsclk_info = { + .name = "pll1_obsclk", + .parent_names = dm365_pll_obsclk_parent_names, + .num_parents = ARRAY_SIZE(dm365_pll_obsclk_parent_names), + .table = dm365_pll_obsclk_table, + .ocsrc_mask = BIT(4), +}; + +int dm365_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm365_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm365-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm365-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm365-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm365-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base); + clk_register_clkdev(clk, "pll1_sysclk5", "dm365-psc"); + + davinci_pll_sysclk_register(dev, &pll1_sysclk6, base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk7, base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk8, base); + clk_register_clkdev(clk, "pll1_sysclk8", "dm365-psc"); + + davinci_pll_sysclk_register(dev, &pll1_sysclk9, base); + + clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + clk_register_clkdev(clk, "pll1_auxclk", "dm355-psc"); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + davinci_pll_obsclk_register(dev, &dm365_pll1_obsclk_info, base); + + return 0; +} + +static const struct davinci_pll_clk_info dm365_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(9, 0), + .pllm_min = 1, + .pllm_max = 1023, + .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV | PLL_POSTDIV_ALWAYS_ENABLED | + PLL_PLLM_2X, +}; + +SYSCLK(1, pll2_sysclk1, pll2_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(2, pll2_sysclk2, pll2_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(3, pll2_sysclk3, pll2_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(4, pll2_sysclk4, pll2_pllen, 5, SYSCLK_ALWAYS_ENABLED); +SYSCLK(5, pll2_sysclk5, pll2_pllen, 5, SYSCLK_ALWAYS_ENABLED); + +static const struct davinci_pll_obsclk_info dm365_pll2_obsclk_info = { + .name = "pll2_obsclk", + .parent_names = dm365_pll_obsclk_parent_names, + .num_parents = ARRAY_SIZE(dm365_pll_obsclk_parent_names), + .table = dm365_pll_obsclk_table, + .ocsrc_mask = BIT(4), +}; + +int dm365_pll2_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm365_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + clk = davinci_pll_sysclk_register(dev, &pll2_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm365-psc"); + + davinci_pll_sysclk_register(dev, &pll2_sysclk3, base); + + clk = davinci_pll_sysclk_register(dev, &pll2_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm365-psc"); + + davinci_pll_sysclk_register(dev, &pll2_sysclk5, base); + + davinci_pll_auxclk_register(dev, "pll2_auxclk", base); + + davinci_pll_obsclk_register(dev, &dm365_pll2_obsclk_info, base); + + return 0; +} diff --git a/drivers/clk/davinci/pll-dm644x.c b/drivers/clk/davinci/pll-dm644x.c new file mode 100644 index 000000000000..69bf785377cf --- /dev/null +++ b/drivers/clk/davinci/pll-dm644x.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM644X + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/bitops.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm644x_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 1, + .pllm_max = 32, + .pllout_min_rate = 400000000, + .pllout_max_rate = 600000000, /* 810MHz @ 1.3V, -810 only */ + .flags = PLL_HAS_CLKMODE | PLL_HAS_POSTDIV, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, SYSCLK_FIXED_DIV); + +int dm644x_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm644x_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm644x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base); + clk_register_clkdev(clk, "pll1_sysclk5", "dm644x-psc"); + + clk = davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + clk_register_clkdev(clk, "pll1_auxclk", "dm644x-psc"); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm644x_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 1, + .pllm_max = 32, + .pllout_min_rate = 400000000, + .pllout_max_rate = 900000000, + .flags = PLL_HAS_POSTDIV | PLL_POSTDIV_FIXED_DIV, +}; + +SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, 0); +SYSCLK(2, pll2_sysclk2, pll2_pllen, 4, 0); + +int dm644x_pll2_init(struct device *dev, void __iomem *base) +{ + davinci_pll_clk_register(dev, &dm644x_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk2, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll2_sysclkbp", base); + + return 0; +} diff --git a/drivers/clk/davinci/pll-dm646x.c b/drivers/clk/davinci/pll-dm646x.c new file mode 100644 index 000000000000..a61cc3256418 --- /dev/null +++ b/drivers/clk/davinci/pll-dm646x.c @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock descriptions for TI DM646X + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/types.h> + +#include "pll.h" + +static const struct davinci_pll_clk_info dm646x_pll1_info = { + .name = "pll1", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = PLL_HAS_CLKMODE, +}; + +SYSCLK(1, pll1_sysclk1, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(2, pll1_sysclk2, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(3, pll1_sysclk3, pll1_pllen, 4, SYSCLK_FIXED_DIV); +SYSCLK(4, pll1_sysclk4, pll1_pllen, 4, 0); +SYSCLK(5, pll1_sysclk5, pll1_pllen, 4, 0); +SYSCLK(6, pll1_sysclk6, pll1_pllen, 4, 0); +SYSCLK(8, pll1_sysclk8, pll1_pllen, 4, 0); +SYSCLK(9, pll1_sysclk9, pll1_pllen, 4, 0); + +int dm646x_pll1_init(struct device *dev, void __iomem *base) +{ + struct clk *clk; + + davinci_pll_clk_register(dev, &dm646x_pll1_info, "ref_clk", base); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk1, base); + clk_register_clkdev(clk, "pll1_sysclk1", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk2, base); + clk_register_clkdev(clk, "pll1_sysclk2", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk3, base); + clk_register_clkdev(clk, "pll1_sysclk3", "dm646x-psc"); + clk_register_clkdev(clk, NULL, "davinci-wdt"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk4, base); + clk_register_clkdev(clk, "pll1_sysclk4", "dm646x-psc"); + + clk = davinci_pll_sysclk_register(dev, &pll1_sysclk5, base); + clk_register_clkdev(clk, "pll1_sysclk5", "dm646x-psc"); + + davinci_pll_sysclk_register(dev, &pll1_sysclk6, base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk8, base); + + davinci_pll_sysclk_register(dev, &pll1_sysclk9, base); + + davinci_pll_sysclkbp_clk_register(dev, "pll1_sysclkbp", base); + + davinci_pll_auxclk_register(dev, "pll1_auxclk", base); + + return 0; +} + +static const struct davinci_pll_clk_info dm646x_pll2_info = { + .name = "pll2", + .pllm_mask = GENMASK(4, 0), + .pllm_min = 14, + .pllm_max = 32, + .flags = 0, +}; + +SYSCLK(1, pll2_sysclk1, pll2_pllen, 4, 0); + +int dm646x_pll2_init(struct device *dev, void __iomem *base) +{ + davinci_pll_clk_register(dev, &dm646x_pll2_info, "oscin", base); + + davinci_pll_sysclk_register(dev, &pll2_sysclk1, base); + + return 0; +} diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c new file mode 100644 index 000000000000..23a24c944f1d --- /dev/null +++ b/drivers/clk/davinci/pll.c @@ -0,0 +1,899 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PLL clock driver for TI Davinci SoCs + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + * + * Based on arch/arm/mach-davinci/clock.c + * Copyright (C) 2006-2007 Texas Instruments. + * Copyright (C) 2008-2009 Deep Root Systems, LLC + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/mfd/syscon.h> +#include <linux/notifier.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_data/clk-davinci-pll.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include "pll.h" + +#define MAX_NAME_SIZE 20 +#define OSCIN_CLK_NAME "oscin" + +#define REVID 0x000 +#define PLLCTL 0x100 +#define OCSEL 0x104 +#define PLLSECCTL 0x108 +#define PLLM 0x110 +#define PREDIV 0x114 +#define PLLDIV1 0x118 +#define PLLDIV2 0x11c +#define PLLDIV3 0x120 +#define OSCDIV 0x124 +#define POSTDIV 0x128 +#define BPDIV 0x12c +#define PLLCMD 0x138 +#define PLLSTAT 0x13c +#define ALNCTL 0x140 +#define DCHANGE 0x144 +#define CKEN 0x148 +#define CKSTAT 0x14c +#define SYSTAT 0x150 +#define PLLDIV4 0x160 +#define PLLDIV5 0x164 +#define PLLDIV6 0x168 +#define PLLDIV7 0x16c +#define PLLDIV8 0x170 +#define PLLDIV9 0x174 + +#define PLLCTL_PLLEN BIT(0) +#define PLLCTL_PLLPWRDN BIT(1) +#define PLLCTL_PLLRST BIT(3) +#define PLLCTL_PLLDIS BIT(4) +#define PLLCTL_PLLENSRC BIT(5) +#define PLLCTL_CLKMODE BIT(8) + +/* shared by most *DIV registers */ +#define DIV_RATIO_SHIFT 0 +#define DIV_RATIO_WIDTH 5 +#define DIV_ENABLE_SHIFT 15 + +#define PLLCMD_GOSET BIT(0) +#define PLLSTAT_GOSTAT BIT(0) + +#define CKEN_OBSCLK_SHIFT 1 +#define CKEN_AUXEN_SHIFT 0 + +/* + * OMAP-L138 system reference guide recommends a wait for 4 OSCIN/CLKIN + * cycles to ensure that the PLLC has switched to bypass mode. Delay of 1us + * ensures we are good for all > 4MHz OSCIN/CLKIN inputs. Typically the input + * is ~25MHz. Units are micro seconds. + */ +#define PLL_BYPASS_TIME 1 + +/* From OMAP-L138 datasheet table 6-4. Units are micro seconds */ +#define PLL_RESET_TIME 1 + +/* + * From OMAP-L138 datasheet table 6-4; assuming prediv = 1, sqrt(pllm) = 4 + * Units are micro seconds. + */ +#define PLL_LOCK_TIME 20 + +/** + * struct davinci_pll_clk - Main PLL clock (aka PLLOUT) + * @hw: clk_hw for the pll + * @base: Base memory address + * @pllm_min: The minimum allowable PLLM[PLLM] value + * @pllm_max: The maxiumum allowable PLLM[PLLM] value + * @pllm_mask: Bitmask for PLLM[PLLM] value + */ +struct davinci_pll_clk { + struct clk_hw hw; + void __iomem *base; + u32 pllm_min; + u32 pllm_max; + u32 pllm_mask; +}; + +#define to_davinci_pll_clk(_hw) \ + container_of((_hw), struct davinci_pll_clk, hw) + +static unsigned long davinci_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct davinci_pll_clk *pll = to_davinci_pll_clk(hw); + unsigned long rate = parent_rate; + u32 mult; + + mult = readl(pll->base + PLLM) & pll->pllm_mask; + rate *= mult + 1; + + return rate; +} + +static int davinci_pll_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct davinci_pll_clk *pll = to_davinci_pll_clk(hw); + struct clk_hw *parent = req->best_parent_hw; + unsigned long parent_rate = req->best_parent_rate; + unsigned long rate = req->rate; + unsigned long best_rate, r; + u32 mult; + + /* there is a limited range of valid outputs (see datasheet) */ + if (rate < req->min_rate) + return -EINVAL; + + rate = min(rate, req->max_rate); + mult = rate / parent_rate; + best_rate = parent_rate * mult; + + /* easy case when there is no PREDIV */ + if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { + if (best_rate < req->min_rate) + return -EINVAL; + + if (mult < pll->pllm_min || mult > pll->pllm_max) + return -EINVAL; + + req->rate = best_rate; + + return 0; + } + + /* see if the PREDIV clock can help us */ + best_rate = 0; + + for (mult = pll->pllm_min; mult <= pll->pllm_max; mult++) { + parent_rate = clk_hw_round_rate(parent, rate / mult); + r = parent_rate * mult; + if (r < req->min_rate) + continue; + if (r > rate || r > req->max_rate) + break; + if (r > best_rate) { + best_rate = r; + req->rate = best_rate; + req->best_parent_rate = parent_rate; + if (best_rate == rate) + break; + } + } + + return 0; +} + +static int davinci_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct davinci_pll_clk *pll = to_davinci_pll_clk(hw); + u32 mult; + + mult = rate / parent_rate; + writel(mult - 1, pll->base + PLLM); + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static int davinci_pll_debug_init(struct clk_hw *hw, struct dentry *dentry); +#else +#define davinci_pll_debug_init NULL +#endif + +static const struct clk_ops davinci_pll_ops = { + .recalc_rate = davinci_pll_recalc_rate, + .determine_rate = davinci_pll_determine_rate, + .set_rate = davinci_pll_set_rate, + .debug_init = davinci_pll_debug_init, +}; + +/* PLLM works differently on DM365 */ +static unsigned long dm365_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct davinci_pll_clk *pll = to_davinci_pll_clk(hw); + unsigned long rate = parent_rate; + u32 mult; + + mult = readl(pll->base + PLLM) & pll->pllm_mask; + rate *= mult * 2; + + return rate; +} + +static const struct clk_ops dm365_pll_ops = { + .recalc_rate = dm365_pll_recalc_rate, + .debug_init = davinci_pll_debug_init, +}; + +/** + * davinci_pll_div_register - common *DIV clock implementation + * @name: the clock name + * @parent_name: the parent clock name + * @reg: the *DIV register + * @fixed: if true, the divider is a fixed value + * @flags: bitmap of CLK_* flags from clock-provider.h + */ +static struct clk *davinci_pll_div_register(struct device *dev, + const char *name, + const char *parent_name, + void __iomem *reg, + bool fixed, u32 flags) +{ + const char * const *parent_names = parent_name ? &parent_name : NULL; + int num_parents = parent_name ? 1 : 0; + const struct clk_ops *divider_ops = &clk_divider_ops; + struct clk_gate *gate; + struct clk_divider *divider; + + gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + gate->reg = reg; + gate->bit_idx = DIV_ENABLE_SHIFT; + + divider = devm_kzalloc(dev, sizeof(*divider), GFP_KERNEL); + if (!divider) + return ERR_PTR(-ENOMEM); + + divider->reg = reg; + divider->shift = DIV_RATIO_SHIFT; + divider->width = DIV_RATIO_WIDTH; + + if (fixed) { + divider->flags |= CLK_DIVIDER_READ_ONLY; + divider_ops = &clk_divider_ro_ops; + } + + return clk_register_composite(dev, name, parent_names, num_parents, + NULL, NULL, ÷r->hw, divider_ops, + &gate->hw, &clk_gate_ops, flags); +} + +struct davinci_pllen_clk { + struct clk_hw hw; + void __iomem *base; +}; + +#define to_davinci_pllen_clk(_hw) \ + container_of((_hw), struct davinci_pllen_clk, hw) + +static const struct clk_ops davinci_pllen_ops = { + /* this clocks just uses the clock notification feature */ +}; + +/* + * The PLL has to be switched into bypass mode while we are chaning the rate, + * so we do that on the PLLEN clock since it is the end of the line. This will + * switch to bypass before any of the parent clocks (PREDIV, PLL, POSTDIV) are + * changed and will switch back to the PLL after the changes have been made. + */ +static int davinci_pllen_rate_change(struct notifier_block *nb, + unsigned long flags, void *data) +{ + struct clk_notifier_data *cnd = data; + struct clk_hw *hw = __clk_get_hw(cnd->clk); + struct davinci_pllen_clk *pll = to_davinci_pllen_clk(hw); + u32 ctrl; + + ctrl = readl(pll->base + PLLCTL); + + if (flags == PRE_RATE_CHANGE) { + /* Switch the PLL to bypass mode */ + ctrl &= ~(PLLCTL_PLLENSRC | PLLCTL_PLLEN); + writel(ctrl, pll->base + PLLCTL); + + udelay(PLL_BYPASS_TIME); + + /* Reset and enable PLL */ + ctrl &= ~(PLLCTL_PLLRST | PLLCTL_PLLDIS); + writel(ctrl, pll->base + PLLCTL); + } else { + udelay(PLL_RESET_TIME); + + /* Bring PLL out of reset */ + ctrl |= PLLCTL_PLLRST; + writel(ctrl, pll->base + PLLCTL); + + udelay(PLL_LOCK_TIME); + + /* Remove PLL from bypass mode */ + ctrl |= PLLCTL_PLLEN; + writel(ctrl, pll->base + PLLCTL); + } + + return NOTIFY_OK; +} + +static struct davinci_pll_platform_data *davinci_pll_get_pdata(struct device *dev) +{ + struct davinci_pll_platform_data *pdata = dev_get_platdata(dev); + + /* + * Platform data is optional, so allocate a new struct if one was not + * provided. For device tree, this will always be the case. + */ + if (!pdata) + pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return NULL; + + /* for device tree, we need to fill in the struct */ + if (dev->of_node) + pdata->cfgchip = + syscon_regmap_lookup_by_compatible("ti,da830-cfgchip"); + + return pdata; +} + +static struct notifier_block davinci_pllen_notifier = { + .notifier_call = davinci_pllen_rate_change, +}; + +/** + * davinci_pll_clk_register - Register a PLL clock + * @info: The device-specific clock info + * @parent_name: The parent clock name + * @base: The PLL's memory region + * + * This creates a series of clocks that represent the PLL. + * + * OSCIN > [PREDIV >] PLL > [POSTDIV >] PLLEN + * + * - OSCIN is the parent clock (on secondary PLL, may come from primary PLL) + * - PREDIV and POSTDIV are optional (depends on the PLL controller) + * - PLL is the PLL output (aka PLLOUT) + * - PLLEN is the bypass multiplexer + * + * Returns: The PLLOUT clock or a negative error code. + */ +struct clk *davinci_pll_clk_register(struct device *dev, + const struct davinci_pll_clk_info *info, + const char *parent_name, + void __iomem *base) +{ + struct davinci_pll_platform_data *pdata; + char prediv_name[MAX_NAME_SIZE]; + char pllout_name[MAX_NAME_SIZE]; + char postdiv_name[MAX_NAME_SIZE]; + char pllen_name[MAX_NAME_SIZE]; + struct clk_init_data init; + struct davinci_pll_clk *pllout; + struct davinci_pllen_clk *pllen; + struct clk *pllout_clk, *clk; + + pdata = davinci_pll_get_pdata(dev); + if (!pdata) + return ERR_PTR(-ENOMEM); + + if (info->flags & PLL_HAS_CLKMODE) { + /* + * If a PLL has PLLCTL[CLKMODE], then it is the primary PLL. + * We register a clock named "oscin" that serves as the internal + * "input clock" domain shared by both PLLs (if there are 2) + * and will be the parent clock to the AUXCLK, SYSCLKBP and + * OBSCLK domains. NB: The various TRMs use "OSCIN" to mean + * a number of different things. In this driver we use it to + * mean the signal after the PLLCTL[CLKMODE] switch. + */ + clk = clk_register_fixed_factor(dev, OSCIN_CLK_NAME, + parent_name, 0, 1, 1); + if (IS_ERR(clk)) + return clk; + + parent_name = OSCIN_CLK_NAME; + } + + if (info->flags & PLL_HAS_PREDIV) { + bool fixed = info->flags & PLL_PREDIV_FIXED_DIV; + u32 flags = 0; + + snprintf(prediv_name, MAX_NAME_SIZE, "%s_prediv", info->name); + + if (info->flags & PLL_PREDIV_ALWAYS_ENABLED) + flags |= CLK_IS_CRITICAL; + + /* Some? DM355 chips don't correctly report the PREDIV value */ + if (info->flags & PLL_PREDIV_FIXED8) + clk = clk_register_fixed_factor(dev, prediv_name, + parent_name, flags, 1, 8); + else + clk = davinci_pll_div_register(dev, prediv_name, + parent_name, base + PREDIV, fixed, flags); + if (IS_ERR(clk)) + return clk; + + parent_name = prediv_name; + } + + /* Unlock writing to PLL registers */ + if (info->unlock_reg) { + if (IS_ERR_OR_NULL(pdata->cfgchip)) + dev_warn(dev, "Failed to get CFGCHIP (%ld)\n", + PTR_ERR(pdata->cfgchip)); + else + regmap_write_bits(pdata->cfgchip, info->unlock_reg, + info->unlock_mask, 0); + } + + pllout = devm_kzalloc(dev, sizeof(*pllout), GFP_KERNEL); + if (!pllout) + return ERR_PTR(-ENOMEM); + + snprintf(pllout_name, MAX_NAME_SIZE, "%s_pllout", info->name); + + init.name = pllout_name; + if (info->flags & PLL_PLLM_2X) + init.ops = &dm365_pll_ops; + else + init.ops = &davinci_pll_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = 0; + + if (info->flags & PLL_HAS_PREDIV) + init.flags |= CLK_SET_RATE_PARENT; + + pllout->hw.init = &init; + pllout->base = base; + pllout->pllm_mask = info->pllm_mask; + pllout->pllm_min = info->pllm_min; + pllout->pllm_max = info->pllm_max; + + pllout_clk = devm_clk_register(dev, &pllout->hw); + if (IS_ERR(pllout_clk)) + return pllout_clk; + + clk_hw_set_rate_range(&pllout->hw, info->pllout_min_rate, + info->pllout_max_rate); + + parent_name = pllout_name; + + if (info->flags & PLL_HAS_POSTDIV) { + bool fixed = info->flags & PLL_POSTDIV_FIXED_DIV; + u32 flags = CLK_SET_RATE_PARENT; + + snprintf(postdiv_name, MAX_NAME_SIZE, "%s_postdiv", info->name); + + if (info->flags & PLL_POSTDIV_ALWAYS_ENABLED) + flags |= CLK_IS_CRITICAL; + + clk = davinci_pll_div_register(dev, postdiv_name, parent_name, + base + POSTDIV, fixed, flags); + if (IS_ERR(clk)) + return clk; + + parent_name = postdiv_name; + } + + pllen = devm_kzalloc(dev, sizeof(*pllout), GFP_KERNEL); + if (!pllen) + return ERR_PTR(-ENOMEM); + + snprintf(pllen_name, MAX_NAME_SIZE, "%s_pllen", info->name); + + init.name = pllen_name; + init.ops = &davinci_pllen_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = CLK_SET_RATE_PARENT; + + pllen->hw.init = &init; + pllen->base = base; + + clk = devm_clk_register(dev, &pllen->hw); + if (IS_ERR(clk)) + return clk; + + clk_notifier_register(clk, &davinci_pllen_notifier); + + return pllout_clk; +} + +/** + * davinci_pll_auxclk_register - Register bypass clock (AUXCLK) + * @name: The clock name + * @base: The PLL memory region + */ +struct clk *davinci_pll_auxclk_register(struct device *dev, + const char *name, + void __iomem *base) +{ + return clk_register_gate(dev, name, OSCIN_CLK_NAME, 0, base + CKEN, + CKEN_AUXEN_SHIFT, 0, NULL); +} + +/** + * davinci_pll_sysclkbp_clk_register - Register bypass divider clock (SYSCLKBP) + * @name: The clock name + * @base: The PLL memory region + */ +struct clk *davinci_pll_sysclkbp_clk_register(struct device *dev, + const char *name, + void __iomem *base) +{ + return clk_register_divider(dev, name, OSCIN_CLK_NAME, 0, base + BPDIV, + DIV_RATIO_SHIFT, DIV_RATIO_WIDTH, + CLK_DIVIDER_READ_ONLY, NULL); +} + +/** + * davinci_pll_obsclk_register - Register oscillator divider clock (OBSCLK) + * @info: The clock info + * @base: The PLL memory region + */ +struct clk * +davinci_pll_obsclk_register(struct device *dev, + const struct davinci_pll_obsclk_info *info, + void __iomem *base) +{ + struct clk_mux *mux; + struct clk_gate *gate; + struct clk_divider *divider; + u32 oscdiv; + + mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL); + if (!mux) + return ERR_PTR(-ENOMEM); + + mux->reg = base + OCSEL; + mux->table = info->table; + mux->mask = info->ocsrc_mask; + + gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + gate->reg = base + CKEN; + gate->bit_idx = CKEN_OBSCLK_SHIFT; + + divider = devm_kzalloc(dev, sizeof(*divider), GFP_KERNEL); + if (!divider) + return ERR_PTR(-ENOMEM); + + divider->reg = base + OSCDIV; + divider->shift = DIV_RATIO_SHIFT; + divider->width = DIV_RATIO_WIDTH; + + /* make sure divider is enabled just in case bootloader disabled it */ + oscdiv = readl(base + OSCDIV); + oscdiv |= BIT(DIV_ENABLE_SHIFT); + writel(oscdiv, base + OSCDIV); + + return clk_register_composite(dev, info->name, info->parent_names, + info->num_parents, + &mux->hw, &clk_mux_ops, + ÷r->hw, &clk_divider_ops, + &gate->hw, &clk_gate_ops, 0); +} + +/* The PLL SYSCLKn clocks have a mechanism for synchronizing rate changes. */ +static int davinci_pll_sysclk_rate_change(struct notifier_block *nb, + unsigned long flags, void *data) +{ + struct clk_notifier_data *cnd = data; + struct clk_hw *hw = __clk_get_hw(clk_get_parent(cnd->clk)); + struct davinci_pllen_clk *pll = to_davinci_pllen_clk(hw); + u32 pllcmd, pllstat; + + switch (flags) { + case POST_RATE_CHANGE: + /* apply the changes */ + pllcmd = readl(pll->base + PLLCMD); + pllcmd |= PLLCMD_GOSET; + writel(pllcmd, pll->base + PLLCMD); + /* fallthrough */ + case PRE_RATE_CHANGE: + /* Wait until for outstanding changes to take effect */ + do { + pllstat = readl(pll->base + PLLSTAT); + } while (pllstat & PLLSTAT_GOSTAT); + break; + } + + return NOTIFY_OK; +} + +static struct notifier_block davinci_pll_sysclk_notifier = { + .notifier_call = davinci_pll_sysclk_rate_change, +}; + +/** + * davinci_pll_sysclk_register - Register divider clocks (SYSCLKn) + * @info: The clock info + * @base: The PLL memory region + */ +struct clk * +davinci_pll_sysclk_register(struct device *dev, + const struct davinci_pll_sysclk_info *info, + void __iomem *base) +{ + const struct clk_ops *divider_ops = &clk_divider_ops; + struct clk_gate *gate; + struct clk_divider *divider; + struct clk *clk; + u32 reg; + u32 flags = 0; + + /* PLLDIVn registers are not entirely consecutive */ + if (info->id < 4) + reg = PLLDIV1 + 4 * (info->id - 1); + else + reg = PLLDIV4 + 4 * (info->id - 4); + + gate = devm_kzalloc(dev, sizeof(*gate), GFP_KERNEL); + if (!gate) + return ERR_PTR(-ENOMEM); + + gate->reg = base + reg; + gate->bit_idx = DIV_ENABLE_SHIFT; + + divider = devm_kzalloc(dev, sizeof(*divider), GFP_KERNEL); + if (!divider) + return ERR_PTR(-ENOMEM); + + divider->reg = base + reg; + divider->shift = DIV_RATIO_SHIFT; + divider->width = info->ratio_width; + divider->flags = 0; + + if (info->flags & SYSCLK_FIXED_DIV) { + divider->flags |= CLK_DIVIDER_READ_ONLY; + divider_ops = &clk_divider_ro_ops; + } + + /* Only the ARM clock can change the parent PLL rate */ + if (info->flags & SYSCLK_ARM_RATE) + flags |= CLK_SET_RATE_PARENT; + + if (info->flags & SYSCLK_ALWAYS_ENABLED) + flags |= CLK_IS_CRITICAL; + + clk = clk_register_composite(dev, info->name, &info->parent_name, 1, + NULL, NULL, ÷r->hw, divider_ops, + &gate->hw, &clk_gate_ops, flags); + if (IS_ERR(clk)) + return clk; + + clk_notifier_register(clk, &davinci_pll_sysclk_notifier); + + return clk; +} + +int of_davinci_pll_init(struct device *dev, + const struct davinci_pll_clk_info *info, + const struct davinci_pll_obsclk_info *obsclk_info, + const struct davinci_pll_sysclk_info **div_info, + u8 max_sysclk_id, + void __iomem *base) +{ + struct device_node *node = dev->of_node; + struct device_node *child; + const char *parent_name; + struct clk *clk; + + if (info->flags & PLL_HAS_CLKMODE) + parent_name = of_clk_get_parent_name(node, 0); + else + parent_name = OSCIN_CLK_NAME; + + clk = davinci_pll_clk_register(dev, info, parent_name, base); + if (IS_ERR(clk)) { + dev_err(dev, "failed to register %s\n", info->name); + return PTR_ERR(clk); + } + + child = of_get_child_by_name(node, "pllout"); + if (of_device_is_available(child)) + of_clk_add_provider(child, of_clk_src_simple_get, clk); + of_node_put(child); + + child = of_get_child_by_name(node, "sysclk"); + if (of_device_is_available(child)) { + struct clk_onecell_data *clk_data; + struct clk **clks; + int n_clks = max_sysclk_id + 1; + int i; + + clk_data = devm_kzalloc(dev, sizeof(*clk_data), GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + clks = devm_kmalloc_array(dev, n_clks, sizeof(*clks), GFP_KERNEL); + if (!clks) + return -ENOMEM; + + clk_data->clks = clks; + clk_data->clk_num = n_clks; + + for (i = 0; i < n_clks; i++) + clks[i] = ERR_PTR(-ENOENT); + + for (; *div_info; div_info++) { + clk = davinci_pll_sysclk_register(dev, *div_info, base); + if (IS_ERR(clk)) + dev_warn(dev, "failed to register %s (%ld)\n", + (*div_info)->name, PTR_ERR(clk)); + else + clks[(*div_info)->id] = clk; + } + of_clk_add_provider(child, of_clk_src_onecell_get, clk_data); + } + of_node_put(child); + + child = of_get_child_by_name(node, "auxclk"); + if (of_device_is_available(child)) { + char child_name[MAX_NAME_SIZE]; + + snprintf(child_name, MAX_NAME_SIZE, "%s_auxclk", info->name); + + clk = davinci_pll_auxclk_register(dev, child_name, base); + if (IS_ERR(clk)) + dev_warn(dev, "failed to register %s (%ld)\n", + child_name, PTR_ERR(clk)); + else + of_clk_add_provider(child, of_clk_src_simple_get, clk); + } + of_node_put(child); + + child = of_get_child_by_name(node, "obsclk"); + if (of_device_is_available(child)) { + if (obsclk_info) + clk = davinci_pll_obsclk_register(dev, obsclk_info, base); + else + clk = ERR_PTR(-EINVAL); + + if (IS_ERR(clk)) + dev_warn(dev, "failed to register obsclk (%ld)\n", + PTR_ERR(clk)); + else + of_clk_add_provider(child, of_clk_src_simple_get, clk); + } + of_node_put(child); + + return 0; +} + +static const struct of_device_id davinci_pll_of_match[] = { + { .compatible = "ti,da850-pll0", .data = of_da850_pll0_init }, + { .compatible = "ti,da850-pll1", .data = of_da850_pll1_init }, + { } +}; + +static const struct platform_device_id davinci_pll_id_table[] = { + { .name = "da830-pll", .driver_data = (kernel_ulong_t)da830_pll_init }, + { .name = "da850-pll0", .driver_data = (kernel_ulong_t)da850_pll0_init }, + { .name = "da850-pll1", .driver_data = (kernel_ulong_t)da850_pll1_init }, + { .name = "dm355-pll1", .driver_data = (kernel_ulong_t)dm355_pll1_init }, + { .name = "dm355-pll2", .driver_data = (kernel_ulong_t)dm355_pll2_init }, + { .name = "dm365-pll1", .driver_data = (kernel_ulong_t)dm365_pll1_init }, + { .name = "dm365-pll2", .driver_data = (kernel_ulong_t)dm365_pll2_init }, + { .name = "dm644x-pll1", .driver_data = (kernel_ulong_t)dm644x_pll1_init }, + { .name = "dm644x-pll2", .driver_data = (kernel_ulong_t)dm644x_pll2_init }, + { .name = "dm646x-pll1", .driver_data = (kernel_ulong_t)dm646x_pll1_init }, + { .name = "dm646x-pll2", .driver_data = (kernel_ulong_t)dm646x_pll2_init }, + { } +}; + +typedef int (*davinci_pll_init)(struct device *dev, void __iomem *base); + +static int davinci_pll_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct of_device_id *of_id; + davinci_pll_init pll_init = NULL; + struct resource *res; + void __iomem *base; + + of_id = of_match_device(davinci_pll_of_match, dev); + if (of_id) + pll_init = of_id->data; + else if (pdev->id_entry) + pll_init = (void *)pdev->id_entry->driver_data; + + if (!pll_init) { + dev_err(dev, "unable to find driver data\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + return pll_init(dev, base); +} + +static struct platform_driver davinci_pll_driver = { + .probe = davinci_pll_probe, + .driver = { + .name = "davinci-pll-clk", + .of_match_table = davinci_pll_of_match, + }, + .id_table = davinci_pll_id_table, +}; + +static int __init davinci_pll_driver_init(void) +{ + return platform_driver_register(&davinci_pll_driver); +} + +/* has to be postcore_initcall because PSC devices depend on PLL parent clocks */ +postcore_initcall(davinci_pll_driver_init); + +#ifdef CONFIG_DEBUG_FS +#include <linux/debugfs.h> + +#define DEBUG_REG(n) \ +{ \ + .name = #n, \ + .offset = n, \ +} + +static const struct debugfs_reg32 davinci_pll_regs[] = { + DEBUG_REG(REVID), + DEBUG_REG(PLLCTL), + DEBUG_REG(OCSEL), + DEBUG_REG(PLLSECCTL), + DEBUG_REG(PLLM), + DEBUG_REG(PREDIV), + DEBUG_REG(PLLDIV1), + DEBUG_REG(PLLDIV2), + DEBUG_REG(PLLDIV3), + DEBUG_REG(OSCDIV), + DEBUG_REG(POSTDIV), + DEBUG_REG(BPDIV), + DEBUG_REG(PLLCMD), + DEBUG_REG(PLLSTAT), + DEBUG_REG(ALNCTL), + DEBUG_REG(DCHANGE), + DEBUG_REG(CKEN), + DEBUG_REG(CKSTAT), + DEBUG_REG(SYSTAT), + DEBUG_REG(PLLDIV4), + DEBUG_REG(PLLDIV5), + DEBUG_REG(PLLDIV6), + DEBUG_REG(PLLDIV7), + DEBUG_REG(PLLDIV8), + DEBUG_REG(PLLDIV9), +}; + +static int davinci_pll_debug_init(struct clk_hw *hw, struct dentry *dentry) +{ + struct davinci_pll_clk *pll = to_davinci_pll_clk(hw); + struct debugfs_regset32 *regset; + struct dentry *d; + + regset = kzalloc(sizeof(*regset), GFP_KERNEL); + if (!regset) + return -ENOMEM; + + regset->regs = davinci_pll_regs; + regset->nregs = ARRAY_SIZE(davinci_pll_regs); + regset->base = pll->base; + + d = debugfs_create_regset32("registers", 0400, dentry, regset); + if (IS_ERR(d)) { + kfree(regset); + return PTR_ERR(d); + } + + return 0; +} +#endif diff --git a/drivers/clk/davinci/pll.h b/drivers/clk/davinci/pll.h new file mode 100644 index 000000000000..b1b6fb23f972 --- /dev/null +++ b/drivers/clk/davinci/pll.h @@ -0,0 +1,141 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Clock driver for TI Davinci PSC controllers + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#ifndef __CLK_DAVINCI_PLL_H___ +#define __CLK_DAVINCI_PLL_H___ + +#include <linux/bitops.h> +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/types.h> + +#define PLL_HAS_CLKMODE BIT(0) /* PLL has PLLCTL[CLKMODE] */ +#define PLL_HAS_PREDIV BIT(1) /* has prediv before PLL */ +#define PLL_PREDIV_ALWAYS_ENABLED BIT(2) /* don't clear DEN bit */ +#define PLL_PREDIV_FIXED_DIV BIT(3) /* fixed divider value */ +#define PLL_HAS_POSTDIV BIT(4) /* has postdiv after PLL */ +#define PLL_POSTDIV_ALWAYS_ENABLED BIT(5) /* don't clear DEN bit */ +#define PLL_POSTDIV_FIXED_DIV BIT(6) /* fixed divider value */ +#define PLL_HAS_EXTCLKSRC BIT(7) /* has selectable bypass */ +#define PLL_PLLM_2X BIT(8) /* PLLM value is 2x (DM365) */ +#define PLL_PREDIV_FIXED8 BIT(9) /* DM355 quirk */ + +/** davinci_pll_clk_info - controller-specific PLL info + * @name: The name of the PLL + * @unlock_reg: Option CFGCHIP register for unlocking PLL + * @unlock_mask: Bitmask used with @unlock_reg + * @pllm_mask: Bitmask for PLLM[PLLM] value + * @pllm_min: Minimum allowable value for PLLM[PLLM] + * @pllm_max: Maximum allowable value for PLLM[PLLM] + * @pllout_min_rate: Minimum allowable rate for PLLOUT + * @pllout_max_rate: Maximum allowable rate for PLLOUT + * @flags: Bitmap of PLL_* flags. + */ +struct davinci_pll_clk_info { + const char *name; + u32 unlock_reg; + u32 unlock_mask; + u32 pllm_mask; + u32 pllm_min; + u32 pllm_max; + unsigned long pllout_min_rate; + unsigned long pllout_max_rate; + u32 flags; +}; + +#define SYSCLK_ARM_RATE BIT(0) /* Controls ARM rate */ +#define SYSCLK_ALWAYS_ENABLED BIT(1) /* Or bad things happen */ +#define SYSCLK_FIXED_DIV BIT(2) /* Fixed divider */ + +/** davinci_pll_sysclk_info - SYSCLKn-specific info + * @name: The name of the clock + * @parent_name: The name of the parent clock + * @id: "n" in "SYSCLKn" + * @ratio_width: Width (in bits) of RATIO in PLLDIVn register + * @flags: Bitmap of SYSCLK_* flags. + */ +struct davinci_pll_sysclk_info { + const char *name; + const char *parent_name; + u32 id; + u32 ratio_width; + u32 flags; +}; + +#define SYSCLK(i, n, p, w, f) \ +static const struct davinci_pll_sysclk_info n = { \ + .name = #n, \ + .parent_name = #p, \ + .id = (i), \ + .ratio_width = (w), \ + .flags = (f), \ +} + +/** davinci_pll_obsclk_info - OBSCLK-specific info + * @name: The name of the clock + * @parent_names: Array of names of the parent clocks + * @num_parents: Length of @parent_names + * @table: Array of values to write to OCSEL[OCSRC] cooresponding to + * @parent_names + * @ocsrc_mask: Bitmask for OCSEL[OCSRC] + */ +struct davinci_pll_obsclk_info { + const char *name; + const char * const *parent_names; + u8 num_parents; + u32 *table; + u32 ocsrc_mask; +}; + +struct clk *davinci_pll_clk_register(struct device *dev, + const struct davinci_pll_clk_info *info, + const char *parent_name, + void __iomem *base); +struct clk *davinci_pll_auxclk_register(struct device *dev, + const char *name, + void __iomem *base); +struct clk *davinci_pll_sysclkbp_clk_register(struct device *dev, + const char *name, + void __iomem *base); +struct clk * +davinci_pll_obsclk_register(struct device *dev, + const struct davinci_pll_obsclk_info *info, + void __iomem *base); +struct clk * +davinci_pll_sysclk_register(struct device *dev, + const struct davinci_pll_sysclk_info *info, + void __iomem *base); + +int of_davinci_pll_init(struct device *dev, + const struct davinci_pll_clk_info *info, + const struct davinci_pll_obsclk_info *obsclk_info, + const struct davinci_pll_sysclk_info **div_info, + u8 max_sysclk_id, + void __iomem *base); + +/* Platform-specific callbacks */ + +int da830_pll_init(struct device *dev, void __iomem *base); + +int da850_pll0_init(struct device *dev, void __iomem *base); +int da850_pll1_init(struct device *dev, void __iomem *base); +int of_da850_pll0_init(struct device *dev, void __iomem *base); +int of_da850_pll1_init(struct device *dev, void __iomem *base); + +int dm355_pll1_init(struct device *dev, void __iomem *base); +int dm355_pll2_init(struct device *dev, void __iomem *base); + +int dm365_pll1_init(struct device *dev, void __iomem *base); +int dm365_pll2_init(struct device *dev, void __iomem *base); + +int dm644x_pll1_init(struct device *dev, void __iomem *base); +int dm644x_pll2_init(struct device *dev, void __iomem *base); + +int dm646x_pll1_init(struct device *dev, void __iomem *base); +int dm646x_pll2_init(struct device *dev, void __iomem *base); + +#endif /* __CLK_DAVINCI_PLL_H___ */ diff --git a/drivers/clk/davinci/psc-da830.c b/drivers/clk/davinci/psc-da830.c new file mode 100644 index 000000000000..f61abf5632ff --- /dev/null +++ b/drivers/clk/davinci/psc-da830.c @@ -0,0 +1,116 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA830/OMAP-L137/AM17XX + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +LPSC_CLKDEV1(mmcsd_clkdev, NULL, "da830-mmc.0"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); + +static const struct davinci_lpsc_clk_info da830_psc0_info[] = { + LPSC(0, 0, tpcc, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(3, 0, aemif, pll0_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), + LPSC(5, 0, mmcsd, pll0_sysclk2, mmcsd_clkdev, 0), + LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, secu_mgr, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0), + LPSC(10, 0, scr0_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(11, 0, scr1_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(12, 0, scr2_ss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(13, 0, pruss, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(14, 0, arm, pll0_sysclk6, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +static int da830_psc0_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da830_psc0_info, 16, base); +} + +static struct clk_bulk_data da830_psc0_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk3" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk6" }, +}; + +const struct davinci_psc_init_data da830_psc0_init_data = { + .parent_clks = da830_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da830_psc0_parent_clks), + .psc_init = &da830_psc0_init, +}; + +LPSC_CLKDEV2(usb0_clkdev, NULL, "musb-da8xx", + NULL, "cppi41-dmaengine"); +LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); +LPSC_CLKDEV1(mcasp2_clkdev, NULL, "davinci-mcasp.2"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0"); +LPSC_CLKDEV2(pwm_clkdev, "fck", "ehrpwm.0", + "fck", "ehrpwm.1"); +LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0", + "fck", "ecap.1", + "fck", "ecap.2"); +LPSC_CLKDEV2(eqep_clkdev, NULL, "eqep.0", + NULL, "eqep.1"); + +static const struct davinci_lpsc_clk_info da830_psc1_info[] = { + LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0), + LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0), + LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0), + LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0), + LPSC(6, 0, emif3, pll0_sysclk5, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, mcasp0, pll0_sysclk2, mcasp0_clkdev, 0), + LPSC(8, 0, mcasp1, pll0_sysclk2, mcasp1_clkdev, 0), + LPSC(9, 0, mcasp2, pll0_sysclk2, mcasp2_clkdev, 0), + LPSC(10, 0, spi1, pll0_sysclk2, spi1_clkdev, 0), + LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0), + LPSC(12, 0, uart1, pll0_sysclk2, uart1_clkdev, 0), + LPSC(13, 0, uart2, pll0_sysclk2, uart2_clkdev, 0), + LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0), + LPSC(17, 0, pwm, pll0_sysclk2, pwm_clkdev, 0), + LPSC(20, 0, ecap, pll0_sysclk2, ecap_clkdev, 0), + LPSC(21, 0, eqep, pll0_sysclk2, eqep_clkdev, 0), + { } +}; + +static int da830_psc1_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da830_psc1_info, 32, base); +} + +static struct clk_bulk_data da830_psc1_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk5" }, +}; + +const struct davinci_psc_init_data da830_psc1_init_data = { + .parent_clks = da830_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da830_psc1_parent_clks), + .psc_init = &da830_psc1_init, +}; diff --git a/drivers/clk/davinci/psc-da850.c b/drivers/clk/davinci/psc-da850.c new file mode 100644 index 000000000000..d196dcbed560 --- /dev/null +++ b/drivers/clk/davinci/psc-da850.c @@ -0,0 +1,156 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DA850/OMAP-L138/AM18XX + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/reset-controller.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV2(emifa_clkdev, NULL, "ti-aemif", + "aemif", "davinci_nand.0"); +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +/* REVISIT: used dev_id instead of con_id */ +LPSC_CLKDEV1(arm_clkdev, "arm", NULL); +LPSC_CLKDEV1(dsp_clkdev, NULL, "davinci-rproc.0"); + +static const struct davinci_lpsc_clk_info da850_psc0_info[] = { + LPSC(0, 0, tpcc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, tptc0, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(2, 0, tptc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(3, 0, emifa, async1, emifa_clkdev, 0), + LPSC(4, 0, spi0, pll0_sysclk2, spi0_clkdev, 0), + LPSC(5, 0, mmcsd0, pll0_sysclk2, mmcsd0_clkdev, 0), + LPSC(6, 0, aintc, pll0_sysclk4, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, arm_rom, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(9, 0, uart0, pll0_sysclk2, uart0_clkdev, 0), + LPSC(13, 0, pruss, pll0_sysclk2, NULL, 0), + LPSC(14, 0, arm, pll0_sysclk6, arm_clkdev, LPSC_ALWAYS_ENABLED | LPSC_SET_RATE_PARENT), + LPSC(15, 1, dsp, pll0_sysclk1, dsp_clkdev, LPSC_FORCE | LPSC_LOCAL_RESET), + { } +}; + +LPSC_CLKDEV3(usb0_clkdev, "fck", "da830-usb-phy-clks", + NULL, "musb-da8xx", + NULL, "cppi41-dmaengine"); +LPSC_CLKDEV1(usb1_clkdev, NULL, "ohci-da8xx"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(sata_clkdev, "fck", "ahci_da850"); +LPSC_CLKDEV1(vpif_clkdev, NULL, "vpif"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(i2c1_clkdev, NULL, "i2c_davinci.2"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0"); +LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1"); +LPSC_CLKDEV1(lcdc_clkdev, "fck", "da8xx_lcdc.0"); +LPSC_CLKDEV3(ehrpwm_clkdev, "fck", "ehrpwm.0", + "fck", "ehrpwm.1", + NULL, "da830-tbclksync"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); +LPSC_CLKDEV3(ecap_clkdev, "fck", "ecap.0", + "fck", "ecap.1", + "fck", "ecap.2"); + +static struct reset_control_lookup da850_psc0_reset_lookup_table[] = { + RESET_LOOKUP("da850-psc0", 15, "davinci-rproc.0", NULL), +}; + +static int da850_psc0_init(struct device *dev, void __iomem *base) +{ + reset_controller_add_lookup(da850_psc0_reset_lookup_table, + ARRAY_SIZE(da850_psc0_reset_lookup_table)); + return davinci_psc_register_clocks(dev, da850_psc0_info, 16, base); +} + +static int of_da850_psc0_init(struct device *dev, void __iomem *base) +{ + return of_davinci_psc_clk_init(dev, da850_psc0_info, 16, base); +} + +static struct clk_bulk_data da850_psc0_parent_clks[] = { + { .id = "pll0_sysclk1" }, + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "pll0_sysclk6" }, + { .id = "async1" }, +}; + +const struct davinci_psc_init_data da850_psc0_init_data = { + .parent_clks = da850_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks), + .psc_init = &da850_psc0_init, +}; + +const struct davinci_psc_init_data of_da850_psc0_init_data = { + .parent_clks = da850_psc0_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc0_parent_clks), + .psc_init = &of_da850_psc0_init, +}; + +static const struct davinci_lpsc_clk_info da850_psc1_info[] = { + LPSC(0, 0, tpcc1, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(1, 0, usb0, pll0_sysclk2, usb0_clkdev, 0), + LPSC(2, 0, usb1, pll0_sysclk4, usb1_clkdev, 0), + LPSC(3, 0, gpio, pll0_sysclk4, gpio_clkdev, 0), + LPSC(5, 0, emac, pll0_sysclk4, emac_clkdev, 0), + LPSC(6, 0, ddr, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, mcasp0, async3, mcasp0_clkdev, 0), + LPSC(8, 0, sata, pll0_sysclk2, sata_clkdev, LPSC_FORCE), + LPSC(9, 0, vpif, pll0_sysclk2, vpif_clkdev, 0), + LPSC(10, 0, spi1, async3, spi1_clkdev, 0), + LPSC(11, 0, i2c1, pll0_sysclk4, i2c1_clkdev, 0), + LPSC(12, 0, uart1, async3, uart1_clkdev, 0), + LPSC(13, 0, uart2, async3, uart2_clkdev, 0), + LPSC(14, 0, mcbsp0, async3, mcbsp0_clkdev, 0), + LPSC(15, 0, mcbsp1, async3, mcbsp1_clkdev, 0), + LPSC(16, 0, lcdc, pll0_sysclk2, lcdc_clkdev, 0), + LPSC(17, 0, ehrpwm, async3, ehrpwm_clkdev, 0), + LPSC(18, 0, mmcsd1, pll0_sysclk2, mmcsd1_clkdev, 0), + LPSC(20, 0, ecap, async3, ecap_clkdev, 0), + LPSC(21, 0, tptc2, pll0_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +static int da850_psc1_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, da850_psc1_info, 32, base); +} + +static int of_da850_psc1_init(struct device *dev, void __iomem *base) +{ + return of_davinci_psc_clk_init(dev, da850_psc1_info, 32, base); +} + +static struct clk_bulk_data da850_psc1_parent_clks[] = { + { .id = "pll0_sysclk2" }, + { .id = "pll0_sysclk4" }, + { .id = "async3" }, +}; + +const struct davinci_psc_init_data da850_psc1_init_data = { + .parent_clks = da850_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks), + .psc_init = &da850_psc1_init, +}; + +const struct davinci_psc_init_data of_da850_psc1_init_data = { + .parent_clks = da850_psc1_parent_clks, + .num_parent_clks = ARRAY_SIZE(da850_psc1_parent_clks), + .psc_init = &of_da850_psc1_init, +}; diff --git a/drivers/clk/davinci/psc-dm355.c b/drivers/clk/davinci/psc-dm355.c new file mode 100644 index 000000000000..6995ecea2677 --- /dev/null +++ b/drivers/clk/davinci/psc-dm355.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM355 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss"); +LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "dm6441-mmc.1"); +LPSC_CLKDEV1(mcbsp1_clkdev, NULL, "davinci-mcbsp.1"); +LPSC_CLKDEV1(usb_clkdev, "usb", NULL); +LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "dm6441-mmc.0"); +LPSC_CLKDEV1(mcbsp0_clkdev, NULL, "davinci-mcbsp.0"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); +LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); +LPSC_CLKDEV1(vpss_dac_clkdev, "vpss_dac", NULL); + +static const struct davinci_lpsc_clk_info dm355_psc_info[] = { + LPSC(0, 0, vpss_master, pll1_sysclk4, vpss_master_clkdev, 0), + LPSC(1, 0, vpss_slave, pll1_sysclk4, vpss_slave_clkdev, 0), + LPSC(5, 0, timer3, pll1_auxclk, NULL, 0), + LPSC(6, 0, spi1, pll1_sysclk2, spi1_clkdev, 0), + LPSC(7, 0, mmcsd1, pll1_sysclk2, mmcsd1_clkdev, 0), + LPSC(8, 0, asp1, pll1_sysclk2, NULL, 0), + LPSC(9, 0, usb, pll1_sysclk2, usb_clkdev, 0), + LPSC(10, 0, pwm3, pll1_auxclk, NULL, 0), + LPSC(11, 0, spi2, pll1_sysclk2, spi2_clkdev, 0), + LPSC(12, 0, rto, pll1_auxclk, NULL, 0), + LPSC(14, 0, aemif, pll1_sysclk2, aemif_clkdev, 0), + LPSC(15, 0, mmcsd0, pll1_sysclk2, mmcsd0_clkdev, 0), + LPSC(17, 0, asp0, pll1_sysclk2, NULL, 0), + LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), + LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), + LPSC(20, 0, uart1, pll1_auxclk, uart1_clkdev, 0), + LPSC(21, 0, uart2, pll1_sysclk2, uart2_clkdev, 0), + LPSC(22, 0, spi0, pll1_sysclk2, spi0_clkdev, 0), + LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), + LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), + LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), + LPSC(26, 0, gpio, pll1_sysclk2, gpio_clkdev, 0), + LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), + /* REVISIT: why can't this be disabled? */ + LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, arm, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + LPSC(40, 0, mjcp, pll1_sysclk1, NULL, 0), + LPSC(41, 0, vpss_dac, pll1_sysclk3, vpss_dac_clkdev, 0), + { } +}; + +static int dm355_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm355_psc_info, 42, base); +} + +static struct clk_bulk_data dm355_psc_parent_clks[] = { + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk2" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk4" }, + { .id = "pll1_auxclk" }, +}; + +const struct davinci_psc_init_data dm355_psc_init_data = { + .parent_clks = dm355_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm355_psc_parent_clks), + .psc_init = &dm355_psc_init, +}; diff --git a/drivers/clk/davinci/psc-dm365.c b/drivers/clk/davinci/psc-dm365.c new file mode 100644 index 000000000000..3ad915f37376 --- /dev/null +++ b/drivers/clk/davinci/psc-dm365.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM365 + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); +LPSC_CLKDEV1(spi1_clkdev, NULL, "spi_davinci.1"); +LPSC_CLKDEV1(mmcsd1_clkdev, NULL, "da830-mmc.1"); +LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); +LPSC_CLKDEV1(usb_clkdev, "usb", NULL); +LPSC_CLKDEV1(spi2_clkdev, NULL, "spi_davinci.2"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mmcsd0_clkdev, NULL, "da830-mmc.0"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(spi0_clkdev, NULL, "spi_davinci.0"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); +LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); +LPSC_CLKDEV1(spi3_clkdev, NULL, "spi_davinci.3"); +LPSC_CLKDEV1(spi4_clkdev, NULL, "spi_davinci.4"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(voice_codec_clkdev, NULL, "davinci_voicecodec"); +LPSC_CLKDEV1(vpss_dac_clkdev, "vpss_dac", NULL); +LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss"); + +static const struct davinci_lpsc_clk_info dm365_psc_info[] = { + LPSC(1, 0, vpss_slave, pll1_sysclk5, vpss_slave_clkdev, 0), + LPSC(5, 0, timer3, pll1_auxclk, NULL, 0), + LPSC(6, 0, spi1, pll1_sysclk4, spi1_clkdev, 0), + LPSC(7, 0, mmcsd1, pll1_sysclk4, mmcsd1_clkdev, 0), + LPSC(8, 0, asp0, pll1_sysclk4, asp0_clkdev, 0), + LPSC(9, 0, usb, pll1_auxclk, usb_clkdev, 0), + LPSC(10, 0, pwm3, pll1_auxclk, NULL, 0), + LPSC(11, 0, spi2, pll1_sysclk4, spi2_clkdev, 0), + LPSC(12, 0, rto, pll1_sysclk4, NULL, 0), + LPSC(14, 0, aemif, pll1_sysclk4, aemif_clkdev, 0), + LPSC(15, 0, mmcsd0, pll1_sysclk8, mmcsd0_clkdev, 0), + LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), + LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), + LPSC(20, 0, uart1, pll1_sysclk4, uart1_clkdev, 0), + LPSC(22, 0, spi0, pll1_sysclk4, spi0_clkdev, 0), + LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), + LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), + LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), + LPSC(26, 0, gpio, pll1_sysclk4, gpio_clkdev, 0), + LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), + /* REVISIT: why can't this be disabled? */ + LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, arm, pll2_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(38, 0, spi3, pll1_sysclk4, spi3_clkdev, 0), + LPSC(39, 0, spi4, pll1_auxclk, spi4_clkdev, 0), + LPSC(40, 0, emac, pll2_sysclk4, emac_clkdev, 0), + LPSC(44, 1, voice_codec, pll1_sysclk3, voice_codec_clkdev, 0), + LPSC(46, 1, vpss_dac, pll1_sysclk3, vpss_dac_clkdev, 0), + LPSC(47, 0, vpss_master, pll1_sysclk5, vpss_master_clkdev, 0), + LPSC(50, 0, mjcp, pll1_sysclk3, NULL, 0), + { } +}; + +static int dm365_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm365_psc_info, 52, base); +} + +static struct clk_bulk_data dm365_psc_parent_clks[] = { + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk4" }, + { .id = "pll1_sysclk5" }, + { .id = "pll1_sysclk8" }, + { .id = "pll2_sysclk2" }, + { .id = "pll2_sysclk4" }, + { .id = "pll1_auxclk" }, +}; + +const struct davinci_psc_init_data dm365_psc_init_data = { + .parent_clks = dm365_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm365_psc_parent_clks), + .psc_init = &dm365_psc_init, +}; diff --git a/drivers/clk/davinci/psc-dm644x.c b/drivers/clk/davinci/psc-dm644x.c new file mode 100644 index 000000000000..c22367baa46f --- /dev/null +++ b/drivers/clk/davinci/psc-dm644x.c @@ -0,0 +1,83 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM644x + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV1(vpss_master_clkdev, "master", "vpss"); +LPSC_CLKDEV1(vpss_slave_clkdev, "slave", "vpss"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(usb_clkdev, "usb", NULL); +LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mmcsd_clkdev, NULL, "dm6441-mmc.0"); +LPSC_CLKDEV1(asp0_clkdev, NULL, "davinci-mcbsp"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); +LPSC_CLKDEV1(timer2_clkdev, NULL, "davinci-wdt"); + +static const struct davinci_lpsc_clk_info dm644x_psc_info[] = { + LPSC(0, 0, vpss_master, pll1_sysclk3, vpss_master_clkdev, 0), + LPSC(1, 0, vpss_slave, pll1_sysclk3, vpss_slave_clkdev, 0), + LPSC(6, 0, emac, pll1_sysclk5, emac_clkdev, 0), + LPSC(9, 0, usb, pll1_sysclk5, usb_clkdev, 0), + LPSC(10, 0, ide, pll1_sysclk5, ide_clkdev, 0), + LPSC(11, 0, vlynq, pll1_sysclk5, NULL, 0), + LPSC(14, 0, aemif, pll1_sysclk5, aemif_clkdev, 0), + LPSC(15, 0, mmcsd, pll1_sysclk5, mmcsd_clkdev, 0), + LPSC(17, 0, asp0, pll1_sysclk5, asp0_clkdev, 0), + LPSC(18, 0, i2c, pll1_auxclk, i2c_clkdev, 0), + LPSC(19, 0, uart0, pll1_auxclk, uart0_clkdev, 0), + LPSC(20, 0, uart1, pll1_auxclk, uart1_clkdev, 0), + LPSC(21, 0, uart2, pll1_auxclk, uart2_clkdev, 0), + LPSC(22, 0, spi, pll1_sysclk5, NULL, 0), + LPSC(23, 0, pwm0, pll1_auxclk, NULL, 0), + LPSC(24, 0, pwm1, pll1_auxclk, NULL, 0), + LPSC(25, 0, pwm2, pll1_auxclk, NULL, 0), + LPSC(26, 0, gpio, pll1_sysclk5, gpio_clkdev, 0), + LPSC(27, 0, timer0, pll1_auxclk, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(28, 0, timer1, pll1_auxclk, NULL, 0), + /* REVISIT: why can't this be disabled? */ + LPSC(29, 0, timer2, pll1_auxclk, timer2_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(39, 1, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(40, 1, vicp, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + { } +}; + +static int dm644x_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm644x_psc_info, 41, base); +} + +static struct clk_bulk_data dm644x_psc_parent_clks[] = { + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk2" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk5" }, + { .id = "pll1_auxclk" }, +}; + +const struct davinci_psc_init_data dm644x_psc_init_data = { + .parent_clks = dm644x_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm644x_psc_parent_clks), + .psc_init = &dm644x_psc_init, +}; diff --git a/drivers/clk/davinci/psc-dm646x.c b/drivers/clk/davinci/psc-dm646x.c new file mode 100644 index 000000000000..468ef86ea40b --- /dev/null +++ b/drivers/clk/davinci/psc-dm646x.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * PSC clock descriptions for TI DaVinci DM646x + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> + +#include "psc.h" + +LPSC_CLKDEV1(ide_clkdev, NULL, "palm_bk3710"); +LPSC_CLKDEV2(emac_clkdev, NULL, "davinci_emac.1", + "fck", "davinci_mdio.0"); +LPSC_CLKDEV1(aemif_clkdev, "aemif", NULL); +LPSC_CLKDEV1(mcasp0_clkdev, NULL, "davinci-mcasp.0"); +LPSC_CLKDEV1(mcasp1_clkdev, NULL, "davinci-mcasp.1"); +LPSC_CLKDEV1(uart0_clkdev, NULL, "serial8250.0"); +LPSC_CLKDEV1(uart1_clkdev, NULL, "serial8250.1"); +LPSC_CLKDEV1(uart2_clkdev, NULL, "serial8250.2"); +LPSC_CLKDEV1(i2c_clkdev, NULL, "i2c_davinci.1"); +/* REVISIT: gpio-davinci.c should be modified to drop con_id */ +LPSC_CLKDEV1(gpio_clkdev, "gpio", NULL); +LPSC_CLKDEV1(timer0_clkdev, "timer0", NULL); + +static const struct davinci_lpsc_clk_info dm646x_psc_info[] = { + LPSC(0, 0, arm, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + /* REVISIT how to disable? */ + LPSC(1, 0, dsp, pll1_sysclk1, NULL, LPSC_ALWAYS_ENABLED), + LPSC(4, 0, edma_cc, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(5, 0, edma_tc0, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(6, 0, edma_tc1, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(7, 0, edma_tc2, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(8, 0, edma_tc3, pll1_sysclk2, NULL, LPSC_ALWAYS_ENABLED), + LPSC(10, 0, ide, pll1_sysclk4, ide_clkdev, 0), + LPSC(14, 0, emac, pll1_sysclk3, emac_clkdev, 0), + LPSC(16, 0, vpif0, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(17, 0, vpif1, ref_clk, NULL, LPSC_ALWAYS_ENABLED), + LPSC(21, 0, aemif, pll1_sysclk3, aemif_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(22, 0, mcasp0, pll1_sysclk3, mcasp0_clkdev, 0), + LPSC(23, 0, mcasp1, pll1_sysclk3, mcasp1_clkdev, 0), + LPSC(26, 0, uart0, aux_clkin, uart0_clkdev, 0), + LPSC(27, 0, uart1, aux_clkin, uart1_clkdev, 0), + LPSC(28, 0, uart2, aux_clkin, uart2_clkdev, 0), + /* REVIST: disabling hangs system */ + LPSC(29, 0, pwm0, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + /* REVIST: disabling hangs system */ + LPSC(30, 0, pwm1, pll1_sysclk3, NULL, LPSC_ALWAYS_ENABLED), + LPSC(31, 0, i2c, pll1_sysclk3, i2c_clkdev, 0), + LPSC(33, 0, gpio, pll1_sysclk3, gpio_clkdev, 0), + LPSC(34, 0, timer0, pll1_sysclk3, timer0_clkdev, LPSC_ALWAYS_ENABLED), + LPSC(35, 0, timer1, pll1_sysclk3, NULL, 0), + { } +}; + +static int dm646x_psc_init(struct device *dev, void __iomem *base) +{ + return davinci_psc_register_clocks(dev, dm646x_psc_info, 46, base); +} + +static struct clk_bulk_data dm646x_psc_parent_clks[] = { + { .id = "ref_clk" }, + { .id = "aux_clkin" }, + { .id = "pll1_sysclk1" }, + { .id = "pll1_sysclk2" }, + { .id = "pll1_sysclk3" }, + { .id = "pll1_sysclk4" }, + { .id = "pll1_sysclk5" }, +}; + +const struct davinci_psc_init_data dm646x_psc_init_data = { + .parent_clks = dm646x_psc_parent_clks, + .num_parent_clks = ARRAY_SIZE(dm646x_psc_parent_clks), + .psc_init = &dm646x_psc_init, +}; diff --git a/drivers/clk/davinci/psc.c b/drivers/clk/davinci/psc.c new file mode 100644 index 000000000000..ce170e600f09 --- /dev/null +++ b/drivers/clk/davinci/psc.c @@ -0,0 +1,551 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Clock driver for TI Davinci PSC controllers + * + * Copyright (C) 2017 David Lechner <david@lechnology.com> + * + * Based on: drivers/clk/keystone/gate.c + * Copyright (C) 2013 Texas Instruments. + * Murali Karicheri <m-karicheri2@ti.com> + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * + * And: arch/arm/mach-davinci/psc.c + * Copyright (C) 2006 Texas Instruments. + */ + +#include <linux/clk-provider.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/of.h> +#include <linux/platform_device.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> +#include <linux/regmap.h> +#include <linux/reset-controller.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include "psc.h" + +/* PSC register offsets */ +#define EPCPR 0x070 +#define PTCMD 0x120 +#define PTSTAT 0x128 +#define PDSTAT(n) (0x200 + 4 * (n)) +#define PDCTL(n) (0x300 + 4 * (n)) +#define MDSTAT(n) (0x800 + 4 * (n)) +#define MDCTL(n) (0xa00 + 4 * (n)) + +/* PSC module states */ +enum davinci_lpsc_state { + LPSC_STATE_SWRSTDISABLE = 0, + LPSC_STATE_SYNCRST = 1, + LPSC_STATE_DISABLE = 2, + LPSC_STATE_ENABLE = 3, +}; + +#define MDSTAT_STATE_MASK GENMASK(5, 0) +#define MDSTAT_MCKOUT BIT(12) +#define PDSTAT_STATE_MASK GENMASK(4, 0) +#define MDCTL_FORCE BIT(31) +#define MDCTL_LRESET BIT(8) +#define PDCTL_EPCGOOD BIT(8) +#define PDCTL_NEXT BIT(0) + +struct davinci_psc_data { + struct clk_onecell_data clk_data; + struct genpd_onecell_data pm_data; + struct reset_controller_dev rcdev; +}; + +/** + * struct davinci_lpsc_clk - LPSC clock structure + * @dev: the device that provides this LPSC + * @hw: clk_hw for the LPSC + * @pm_domain: power domain for the LPSC + * @genpd_clk: clock reference owned by @pm_domain + * @regmap: PSC MMIO region + * @md: Module domain (LPSC module id) + * @pd: Power domain + * @flags: LPSC_* quirk flags + */ +struct davinci_lpsc_clk { + struct device *dev; + struct clk_hw hw; + struct generic_pm_domain pm_domain; + struct clk *genpd_clk; + struct regmap *regmap; + u32 md; + u32 pd; + u32 flags; +}; + +#define to_davinci_psc_data(x) container_of(x, struct davinci_psc_data, x) +#define to_davinci_lpsc_clk(x) container_of(x, struct davinci_lpsc_clk, x) + +/** + * best_dev_name - get the "best" device name. + * @dev: the device + * + * Returns the device tree compatible name if the device has a DT node, + * otherwise return the device name. This is mainly needed because clkdev + * lookups are limited to 20 chars for dev_id and when using device tree, + * dev_name(dev) is much longer than that. + */ +static inline const char *best_dev_name(struct device *dev) +{ + const char *compatible; + + if (!of_property_read_string(dev->of_node, "compatible", &compatible)) + return compatible; + + return dev_name(dev); +} + +static void davinci_lpsc_config(struct davinci_lpsc_clk *lpsc, + enum davinci_lpsc_state next_state) +{ + u32 epcpr, pdstat, mdstat, ptstat; + + regmap_write_bits(lpsc->regmap, MDCTL(lpsc->md), MDSTAT_STATE_MASK, + next_state); + + if (lpsc->flags & LPSC_FORCE) + regmap_write_bits(lpsc->regmap, MDCTL(lpsc->md), MDCTL_FORCE, + MDCTL_FORCE); + + regmap_read(lpsc->regmap, PDSTAT(lpsc->pd), &pdstat); + if ((pdstat & PDSTAT_STATE_MASK) == 0) { + regmap_write_bits(lpsc->regmap, PDCTL(lpsc->pd), PDCTL_NEXT, + PDCTL_NEXT); + + regmap_write(lpsc->regmap, PTCMD, BIT(lpsc->pd)); + + regmap_read_poll_timeout(lpsc->regmap, EPCPR, epcpr, + epcpr & BIT(lpsc->pd), 0, 0); + + regmap_write_bits(lpsc->regmap, PDCTL(lpsc->pd), PDCTL_EPCGOOD, + PDCTL_EPCGOOD); + } else { + regmap_write(lpsc->regmap, PTCMD, BIT(lpsc->pd)); + } + + regmap_read_poll_timeout(lpsc->regmap, PTSTAT, ptstat, + !(ptstat & BIT(lpsc->pd)), 0, 0); + + regmap_read_poll_timeout(lpsc->regmap, MDSTAT(lpsc->md), mdstat, + (mdstat & MDSTAT_STATE_MASK) == next_state, + 0, 0); +} + +static int davinci_lpsc_clk_enable(struct clk_hw *hw) +{ + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(hw); + + davinci_lpsc_config(lpsc, LPSC_STATE_ENABLE); + + return 0; +} + +static void davinci_lpsc_clk_disable(struct clk_hw *hw) +{ + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(hw); + + davinci_lpsc_config(lpsc, LPSC_STATE_DISABLE); +} + +static int davinci_lpsc_clk_is_enabled(struct clk_hw *hw) +{ + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(hw); + u32 mdstat; + + regmap_read(lpsc->regmap, MDSTAT(lpsc->md), &mdstat); + + return (mdstat & MDSTAT_MCKOUT) ? 1 : 0; +} + +static const struct clk_ops davinci_lpsc_clk_ops = { + .enable = davinci_lpsc_clk_enable, + .disable = davinci_lpsc_clk_disable, + .is_enabled = davinci_lpsc_clk_is_enabled, +}; + +static int davinci_psc_genpd_attach_dev(struct generic_pm_domain *pm_domain, + struct device *dev) +{ + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(pm_domain); + struct clk *clk; + int ret; + + /* + * pm_clk_remove_clk() will call clk_put(), so we have to use clk_get() + * to get the clock instead of using lpsc->hw.clk directly. + */ + clk = clk_get_sys(best_dev_name(lpsc->dev), clk_hw_get_name(&lpsc->hw)); + if (IS_ERR(clk)) + return (PTR_ERR(clk)); + + ret = pm_clk_create(dev); + if (ret < 0) + goto fail_clk_put; + + ret = pm_clk_add_clk(dev, clk); + if (ret < 0) + goto fail_pm_clk_destroy; + + lpsc->genpd_clk = clk; + + return 0; + +fail_pm_clk_destroy: + pm_clk_destroy(dev); +fail_clk_put: + clk_put(clk); + + return ret; +} + +static void davinci_psc_genpd_detach_dev(struct generic_pm_domain *pm_domain, + struct device *dev) +{ + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(pm_domain); + + pm_clk_remove_clk(dev, lpsc->genpd_clk); + pm_clk_destroy(dev); + + lpsc->genpd_clk = NULL; +} + +/** + * davinci_lpsc_clk_register - register LPSC clock + * @name: name of this clock + * @parent_name: name of clock's parent + * @regmap: PSC MMIO region + * @md: local PSC number + * @pd: power domain + * @flags: LPSC_* flags + */ +static struct davinci_lpsc_clk * +davinci_lpsc_clk_register(struct device *dev, const char *name, + const char *parent_name, struct regmap *regmap, + u32 md, u32 pd, u32 flags) +{ + struct clk_init_data init; + struct davinci_lpsc_clk *lpsc; + int ret; + bool is_on; + + lpsc = devm_kzalloc(dev, sizeof(*lpsc), GFP_KERNEL); + if (!lpsc) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &davinci_lpsc_clk_ops; + init.parent_names = (parent_name ? &parent_name : NULL); + init.num_parents = (parent_name ? 1 : 0); + init.flags = 0; + + if (flags & LPSC_ALWAYS_ENABLED) + init.flags |= CLK_IS_CRITICAL; + + if (flags & LPSC_SET_RATE_PARENT) + init.flags |= CLK_SET_RATE_PARENT; + + lpsc->dev = dev; + lpsc->regmap = regmap; + lpsc->hw.init = &init; + lpsc->md = md; + lpsc->pd = pd; + lpsc->flags = flags; + + ret = devm_clk_hw_register(dev, &lpsc->hw); + if (ret < 0) + return ERR_PTR(ret); + + /* genpd attach needs a way to look up this clock */ + ret = clk_hw_register_clkdev(&lpsc->hw, name, best_dev_name(dev)); + + lpsc->pm_domain.name = devm_kasprintf(dev, GFP_KERNEL, "%s: %s", + best_dev_name(dev), name); + lpsc->pm_domain.attach_dev = davinci_psc_genpd_attach_dev; + lpsc->pm_domain.detach_dev = davinci_psc_genpd_detach_dev; + lpsc->pm_domain.flags = GENPD_FLAG_PM_CLK; + + is_on = davinci_lpsc_clk_is_enabled(&lpsc->hw); + pm_genpd_init(&lpsc->pm_domain, NULL, is_on); + + return lpsc; +} + +static int davinci_lpsc_clk_reset(struct clk *clk, bool reset) +{ + struct clk_hw *hw = __clk_get_hw(clk); + struct davinci_lpsc_clk *lpsc = to_davinci_lpsc_clk(hw); + u32 mdctl; + + if (IS_ERR_OR_NULL(lpsc)) + return -EINVAL; + + mdctl = reset ? 0 : MDCTL_LRESET; + regmap_write_bits(lpsc->regmap, MDCTL(lpsc->md), MDCTL_LRESET, mdctl); + + return 0; +} + +/* + * REVISIT: These exported functions can be removed after a non-DT lookup is + * added to the reset controller framework and the davinci-rproc driver is + * updated to use the generic reset controller framework. + */ + +int davinci_clk_reset_assert(struct clk *clk) +{ + return davinci_lpsc_clk_reset(clk, true); +} +EXPORT_SYMBOL(davinci_clk_reset_assert); + +int davinci_clk_reset_deassert(struct clk *clk) +{ + return davinci_lpsc_clk_reset(clk, false); +} +EXPORT_SYMBOL(davinci_clk_reset_deassert); + +static int davinci_psc_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct davinci_psc_data *psc = to_davinci_psc_data(rcdev); + struct clk *clk = psc->clk_data.clks[id]; + + return davinci_lpsc_clk_reset(clk, true); +} + +static int davinci_psc_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct davinci_psc_data *psc = to_davinci_psc_data(rcdev); + struct clk *clk = psc->clk_data.clks[id]; + + return davinci_lpsc_clk_reset(clk, false); +} + +static const struct reset_control_ops davinci_psc_reset_ops = { + .assert = davinci_psc_reset_assert, + .deassert = davinci_psc_reset_deassert, +}; + +static int davinci_psc_reset_of_xlate(struct reset_controller_dev *rcdev, + const struct of_phandle_args *reset_spec) +{ + struct of_phandle_args clkspec = *reset_spec; /* discard const qualifier */ + struct clk *clk; + struct clk_hw *hw; + struct davinci_lpsc_clk *lpsc; + + /* the clock node is the same as the reset node */ + clk = of_clk_get_from_provider(&clkspec); + if (IS_ERR(clk)) + return PTR_ERR(clk); + + hw = __clk_get_hw(clk); + lpsc = to_davinci_lpsc_clk(hw); + clk_put(clk); + + /* not all modules support local reset */ + if (!(lpsc->flags & LPSC_LOCAL_RESET)) + return -EINVAL; + + return lpsc->md; +} + +static const struct regmap_config davinci_psc_regmap_config = { + .reg_bits = 32, + .reg_stride = 4, + .val_bits = 32, +}; + +static struct davinci_psc_data * +__davinci_psc_register_clocks(struct device *dev, + const struct davinci_lpsc_clk_info *info, + int num_clks, + void __iomem *base) +{ + struct davinci_psc_data *psc; + struct clk **clks; + struct generic_pm_domain **pm_domains; + struct regmap *regmap; + int i, ret; + + psc = devm_kzalloc(dev, sizeof(*psc), GFP_KERNEL); + if (!psc) + return ERR_PTR(-ENOMEM); + + clks = devm_kmalloc_array(dev, num_clks, sizeof(*clks), GFP_KERNEL); + if (!clks) + return ERR_PTR(-ENOMEM); + + psc->clk_data.clks = clks; + psc->clk_data.clk_num = num_clks; + + /* + * init array with error so that of_clk_src_onecell_get() doesn't + * return NULL for gaps in the sparse array + */ + for (i = 0; i < num_clks; i++) + clks[i] = ERR_PTR(-ENOENT); + + pm_domains = devm_kcalloc(dev, num_clks, sizeof(*pm_domains), GFP_KERNEL); + if (!pm_domains) + return ERR_PTR(-ENOMEM); + + psc->pm_data.domains = pm_domains; + psc->pm_data.num_domains = num_clks; + + regmap = devm_regmap_init_mmio(dev, base, &davinci_psc_regmap_config); + if (IS_ERR(regmap)) + return ERR_CAST(regmap); + + for (; info->name; info++) { + struct davinci_lpsc_clk *lpsc; + + lpsc = davinci_lpsc_clk_register(dev, info->name, info->parent, + regmap, info->md, info->pd, + info->flags); + if (IS_ERR(lpsc)) { + dev_warn(dev, "Failed to register %s (%ld)\n", + info->name, PTR_ERR(lpsc)); + continue; + } + + clks[info->md] = lpsc->hw.clk; + pm_domains[info->md] = &lpsc->pm_domain; + } + + psc->rcdev.ops = &davinci_psc_reset_ops; + psc->rcdev.owner = THIS_MODULE; + psc->rcdev.dev = dev; + psc->rcdev.of_node = dev->of_node; + psc->rcdev.of_reset_n_cells = 1; + psc->rcdev.of_xlate = davinci_psc_reset_of_xlate; + psc->rcdev.nr_resets = num_clks; + + ret = devm_reset_controller_register(dev, &psc->rcdev); + if (ret < 0) + dev_warn(dev, "Failed to register reset controller (%d)\n", ret); + + return psc; +} + +int davinci_psc_register_clocks(struct device *dev, + const struct davinci_lpsc_clk_info *info, + u8 num_clks, + void __iomem *base) +{ + struct davinci_psc_data *psc; + + psc = __davinci_psc_register_clocks(dev, info, num_clks, base); + if (IS_ERR(psc)) + return PTR_ERR(psc); + + for (; info->name; info++) { + const struct davinci_lpsc_clkdev_info *cdevs = info->cdevs; + struct clk *clk = psc->clk_data.clks[info->md]; + + if (!cdevs || IS_ERR_OR_NULL(clk)) + continue; + + for (; cdevs->con_id || cdevs->dev_id; cdevs++) + clk_register_clkdev(clk, cdevs->con_id, cdevs->dev_id); + } + + return 0; +} + +int of_davinci_psc_clk_init(struct device *dev, + const struct davinci_lpsc_clk_info *info, + u8 num_clks, + void __iomem *base) +{ + struct device_node *node = dev->of_node; + struct davinci_psc_data *psc; + + psc = __davinci_psc_register_clocks(dev, info, num_clks, base); + if (IS_ERR(psc)) + return PTR_ERR(psc); + + of_genpd_add_provider_onecell(node, &psc->pm_data); + + of_clk_add_provider(node, of_clk_src_onecell_get, &psc->clk_data); + + return 0; +} + +static const struct of_device_id davinci_psc_of_match[] = { + { .compatible = "ti,da850-psc0", .data = &of_da850_psc0_init_data }, + { .compatible = "ti,da850-psc1", .data = &of_da850_psc1_init_data }, + { } +}; + +static const struct platform_device_id davinci_psc_id_table[] = { + { .name = "da830-psc0", .driver_data = (kernel_ulong_t)&da830_psc0_init_data }, + { .name = "da830-psc1", .driver_data = (kernel_ulong_t)&da830_psc1_init_data }, + { .name = "da850-psc0", .driver_data = (kernel_ulong_t)&da850_psc0_init_data }, + { .name = "da850-psc1", .driver_data = (kernel_ulong_t)&da850_psc1_init_data }, + { .name = "dm355-psc", .driver_data = (kernel_ulong_t)&dm355_psc_init_data }, + { .name = "dm365-psc", .driver_data = (kernel_ulong_t)&dm365_psc_init_data }, + { .name = "dm644x-psc", .driver_data = (kernel_ulong_t)&dm644x_psc_init_data }, + { .name = "dm646x-psc", .driver_data = (kernel_ulong_t)&dm646x_psc_init_data }, + { } +}; + +static int davinci_psc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct of_device_id *of_id; + const struct davinci_psc_init_data *init_data = NULL; + struct resource *res; + void __iomem *base; + int ret; + + of_id = of_match_device(davinci_psc_of_match, dev); + if (of_id) + init_data = of_id->data; + else if (pdev->id_entry) + init_data = (void *)pdev->id_entry->driver_data; + + if (!init_data) { + dev_err(dev, "unable to find driver init data\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + ret = devm_clk_bulk_get(dev, init_data->num_parent_clks, + init_data->parent_clks); + if (ret < 0) + return ret; + + return init_data->psc_init(dev, base); +} + +static struct platform_driver davinci_psc_driver = { + .probe = davinci_psc_probe, + .driver = { + .name = "davinci-psc-clk", + .of_match_table = davinci_psc_of_match, + }, + .id_table = davinci_psc_id_table, +}; + +static int __init davinci_psc_driver_init(void) +{ + return platform_driver_register(&davinci_psc_driver); +} + +/* has to be postcore_initcall because davinci_gpio depend on PSC clocks */ +postcore_initcall(davinci_psc_driver_init); diff --git a/drivers/clk/davinci/psc.h b/drivers/clk/davinci/psc.h new file mode 100644 index 000000000000..c2a7df6413fe --- /dev/null +++ b/drivers/clk/davinci/psc.h @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Clock driver for TI Davinci PSC controllers + * + * Copyright (C) 2018 David Lechner <david@lechnology.com> + */ + +#ifndef __CLK_DAVINCI_PSC_H__ +#define __CLK_DAVINCI_PSC_H__ + +#include <linux/clk-provider.h> +#include <linux/types.h> + +/* PSC quirk flags */ +#define LPSC_ALWAYS_ENABLED BIT(0) /* never disable this clock */ +#define LPSC_SET_RATE_PARENT BIT(1) /* propagate set_rate to parent clock */ +#define LPSC_FORCE BIT(2) /* requires MDCTL FORCE bit */ +#define LPSC_LOCAL_RESET BIT(3) /* acts as reset provider */ + +struct davinci_lpsc_clkdev_info { + const char *con_id; + const char *dev_id; +}; + +#define LPSC_CLKDEV(c, d) { \ + .con_id = (c), \ + .dev_id = (d) \ +} + +#define LPSC_CLKDEV1(n, c, d) \ +static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ + LPSC_CLKDEV((c), (d)), \ + { } \ +} + +#define LPSC_CLKDEV2(n, c1, d1, c2, d2) \ +static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ + LPSC_CLKDEV((c1), (d1)), \ + LPSC_CLKDEV((c2), (d2)), \ + { } \ +} + +#define LPSC_CLKDEV3(n, c1, d1, c2, d2, c3, d3) \ +static const struct davinci_lpsc_clkdev_info n[] __initconst = { \ + LPSC_CLKDEV((c1), (d1)), \ + LPSC_CLKDEV((c2), (d2)), \ + LPSC_CLKDEV((c3), (d3)), \ + { } \ +} + +/** + * davinci_lpsc_clk_info - LPSC module-specific clock information + * @name: the clock name + * @parent: the parent clock name + * @cdevs: optional array of clkdev lookup table info + * @md: the local module domain (LPSC id) + * @pd: the power domain id + * @flags: bitmask of LPSC_* flags + */ +struct davinci_lpsc_clk_info { + const char *name; + const char *parent; + const struct davinci_lpsc_clkdev_info *cdevs; + u32 md; + u32 pd; + unsigned long flags; +}; + +#define LPSC(m, d, n, p, c, f) \ +{ \ + .name = #n, \ + .parent = #p, \ + .cdevs = (c), \ + .md = (m), \ + .pd = (d), \ + .flags = (f), \ +} + +int davinci_psc_register_clocks(struct device *dev, + const struct davinci_lpsc_clk_info *info, + u8 num_clks, + void __iomem *base); + +int of_davinci_psc_clk_init(struct device *dev, + const struct davinci_lpsc_clk_info *info, + u8 num_clks, + void __iomem *base); + +/* Device-specific data */ + +struct davinci_psc_init_data { + struct clk_bulk_data *parent_clks; + int num_parent_clks; + int (*psc_init)(struct device *dev, void __iomem *base); +}; + +extern const struct davinci_psc_init_data da830_psc0_init_data; +extern const struct davinci_psc_init_data da830_psc1_init_data; +extern const struct davinci_psc_init_data da850_psc0_init_data; +extern const struct davinci_psc_init_data da850_psc1_init_data; +extern const struct davinci_psc_init_data of_da850_psc0_init_data; +extern const struct davinci_psc_init_data of_da850_psc1_init_data; +extern const struct davinci_psc_init_data dm355_psc_init_data; +extern const struct davinci_psc_init_data dm365_psc_init_data; +extern const struct davinci_psc_init_data dm644x_psc_init_data; +extern const struct davinci_psc_init_data dm646x_psc_init_data; + +#endif /* __CLK_DAVINCI_PSC_H__ */ diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index 4806fc2cb4ac..2a714c0f9657 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -3,7 +3,7 @@ # Hisilicon Clock specific Makefile # -obj-y += clk.o clkgate-separated.o clkdivider-hi6220.o +obj-y += clk.o clkgate-separated.o clkdivider-hi6220.o clk-hisi-phase.o obj-$(CONFIG_ARCH_HI3xxx) += clk-hi3620.o obj-$(CONFIG_ARCH_HIP04) += clk-hip04.o diff --git a/drivers/clk/hisilicon/clk-hisi-phase.c b/drivers/clk/hisilicon/clk-hisi-phase.c new file mode 100644 index 000000000000..5bce9297b78b --- /dev/null +++ b/drivers/clk/hisilicon/clk-hisi-phase.c @@ -0,0 +1,121 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2017 HiSilicon Technologies Co., Ltd. + * + * Simple HiSilicon phase clock implementation. + */ + +#include <linux/err.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> + +#include "clk.h" + +struct clk_hisi_phase { + struct clk_hw hw; + void __iomem *reg; + u32 *phase_degrees; + u32 *phase_regvals; + u8 phase_num; + u32 mask; + u8 shift; + u8 flags; + spinlock_t *lock; +}; + +#define to_clk_hisi_phase(_hw) container_of(_hw, struct clk_hisi_phase, hw) + +static int hisi_phase_regval_to_degrees(struct clk_hisi_phase *phase, + u32 regval) +{ + int i; + + for (i = 0; i < phase->phase_num; i++) + if (phase->phase_regvals[i] == regval) + return phase->phase_degrees[i]; + + return -EINVAL; +} + +static int hisi_clk_get_phase(struct clk_hw *hw) +{ + struct clk_hisi_phase *phase = to_clk_hisi_phase(hw); + u32 regval; + + regval = readl(phase->reg); + regval = (regval & phase->mask) >> phase->shift; + + return hisi_phase_regval_to_degrees(phase, regval); +} + +static int hisi_phase_degrees_to_regval(struct clk_hisi_phase *phase, + int degrees) +{ + int i; + + for (i = 0; i < phase->phase_num; i++) + if (phase->phase_degrees[i] == degrees) + return phase->phase_regvals[i]; + + return -EINVAL; +} + +static int hisi_clk_set_phase(struct clk_hw *hw, int degrees) +{ + struct clk_hisi_phase *phase = to_clk_hisi_phase(hw); + unsigned long flags = 0; + int regval; + u32 val; + + regval = hisi_phase_degrees_to_regval(phase, degrees); + if (regval < 0) + return regval; + + spin_lock_irqsave(phase->lock, flags); + + val = clk_readl(phase->reg); + val &= ~phase->mask; + val |= regval << phase->shift; + clk_writel(val, phase->reg); + + spin_unlock_irqrestore(phase->lock, flags); + + return 0; +} + +static const struct clk_ops clk_phase_ops = { + .get_phase = hisi_clk_get_phase, + .set_phase = hisi_clk_set_phase, +}; + +struct clk *clk_register_hisi_phase(struct device *dev, + const struct hisi_phase_clock *clks, + void __iomem *base, spinlock_t *lock) +{ + struct clk_hisi_phase *phase; + struct clk_init_data init; + + phase = devm_kzalloc(dev, sizeof(struct clk_hisi_phase), GFP_KERNEL); + if (!phase) + return ERR_PTR(-ENOMEM); + + init.name = clks->name; + init.ops = &clk_phase_ops; + init.flags = clks->flags | CLK_IS_BASIC; + init.parent_names = clks->parent_names ? &clks->parent_names : NULL; + init.num_parents = clks->parent_names ? 1 : 0; + + phase->reg = base + clks->offset; + phase->shift = clks->shift; + phase->mask = (BIT(clks->width) - 1) << clks->shift; + phase->lock = lock; + phase->phase_degrees = clks->phase_degrees; + phase->phase_regvals = clks->phase_regvals; + phase->phase_num = clks->phase_num; + phase->hw.init = &init; + + return devm_clk_register(dev, &phase->hw); +} +EXPORT_SYMBOL_GPL(clk_register_hisi_phase); diff --git a/drivers/clk/hisilicon/clk.c b/drivers/clk/hisilicon/clk.c index b73c1dfae7f1..953c8dacef8b 100644 --- a/drivers/clk/hisilicon/clk.c +++ b/drivers/clk/hisilicon/clk.c @@ -49,6 +49,8 @@ struct hisi_clock_data *hisi_clk_alloc(struct platform_device *pdev, return NULL; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return NULL; clk_data->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (!clk_data->base) @@ -197,6 +199,30 @@ err: } EXPORT_SYMBOL_GPL(hisi_clk_register_mux); +int hisi_clk_register_phase(struct device *dev, + const struct hisi_phase_clock *clks, + int nums, struct hisi_clock_data *data) +{ + void __iomem *base = data->base; + struct clk *clk; + int i; + + for (i = 0; i < nums; i++) { + clk = clk_register_hisi_phase(dev, &clks[i], base, + &hisi_clk_lock); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", __func__, + clks[i].name); + return PTR_ERR(clk); + } + + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} +EXPORT_SYMBOL_GPL(hisi_clk_register_phase); + int hisi_clk_register_divider(const struct hisi_divider_clock *clks, int nums, struct hisi_clock_data *data) { diff --git a/drivers/clk/hisilicon/clk.h b/drivers/clk/hisilicon/clk.h index 4e1d1affc6f5..8d7ee5c3231b 100644 --- a/drivers/clk/hisilicon/clk.h +++ b/drivers/clk/hisilicon/clk.h @@ -68,6 +68,19 @@ struct hisi_mux_clock { const char *alias; }; +struct hisi_phase_clock { + unsigned int id; + const char *name; + const char *parent_names; + unsigned long flags; + unsigned long offset; + u8 shift; + u8 width; + u32 *phase_degrees; + u32 *phase_regvals; + u8 phase_num; +}; + struct hisi_divider_clock { unsigned int id; const char *name; @@ -120,6 +133,12 @@ int hisi_clk_register_fixed_factor(const struct hisi_fixed_factor_clock *, int, struct hisi_clock_data *); int hisi_clk_register_mux(const struct hisi_mux_clock *, int, struct hisi_clock_data *); +struct clk *clk_register_hisi_phase(struct device *dev, + const struct hisi_phase_clock *clks, + void __iomem *base, spinlock_t *lock); +int hisi_clk_register_phase(struct device *dev, + const struct hisi_phase_clock *clks, + int nums, struct hisi_clock_data *data); int hisi_clk_register_divider(const struct hisi_divider_clock *, int, struct hisi_clock_data *); int hisi_clk_register_gate(const struct hisi_gate_clock *, diff --git a/drivers/clk/hisilicon/crg-hi3516cv300.c b/drivers/clk/hisilicon/crg-hi3516cv300.c index 2007123832bb..53450b651e4c 100644 --- a/drivers/clk/hisilicon/crg-hi3516cv300.c +++ b/drivers/clk/hisilicon/crg-hi3516cv300.c @@ -204,7 +204,7 @@ static const struct hisi_crg_funcs hi3516cv300_crg_funcs = { /* hi3516CV300 sysctrl CRG */ #define HI3516CV300_SYSCTRL_NR_CLKS 16 -static const char *wdt_mux_p[] __initconst = { "3m", "apb" }; +static const char *const wdt_mux_p[] __initconst = { "3m", "apb" }; static u32 wdt_mux_table[] = {0, 1}; static const struct hisi_mux_clock hi3516cv300_sysctrl_mux_clks[] = { diff --git a/drivers/clk/hisilicon/crg-hi3798cv200.c b/drivers/clk/hisilicon/crg-hi3798cv200.c index 8478948e858e..743eec131528 100644 --- a/drivers/clk/hisilicon/crg-hi3798cv200.c +++ b/drivers/clk/hisilicon/crg-hi3798cv200.c @@ -27,30 +27,31 @@ #include "reset.h" /* hi3798CV200 core CRG */ -#define HI3798CV200_INNER_CLK_OFFSET 64 -#define HI3798CV200_FIXED_24M 65 -#define HI3798CV200_FIXED_25M 66 -#define HI3798CV200_FIXED_50M 67 -#define HI3798CV200_FIXED_75M 68 -#define HI3798CV200_FIXED_100M 69 -#define HI3798CV200_FIXED_150M 70 -#define HI3798CV200_FIXED_200M 71 -#define HI3798CV200_FIXED_250M 72 -#define HI3798CV200_FIXED_300M 73 -#define HI3798CV200_FIXED_400M 74 -#define HI3798CV200_MMC_MUX 75 -#define HI3798CV200_ETH_PUB_CLK 76 -#define HI3798CV200_ETH_BUS_CLK 77 -#define HI3798CV200_ETH_BUS0_CLK 78 -#define HI3798CV200_ETH_BUS1_CLK 79 -#define HI3798CV200_COMBPHY1_MUX 80 -#define HI3798CV200_FIXED_12M 81 -#define HI3798CV200_FIXED_48M 82 -#define HI3798CV200_FIXED_60M 83 -#define HI3798CV200_FIXED_166P5M 84 -#define HI3798CV200_SDIO0_MUX 85 - -#define HI3798CV200_CRG_NR_CLKS 128 +#define HI3798CV200_INNER_CLK_OFFSET 64 +#define HI3798CV200_FIXED_24M 65 +#define HI3798CV200_FIXED_25M 66 +#define HI3798CV200_FIXED_50M 67 +#define HI3798CV200_FIXED_75M 68 +#define HI3798CV200_FIXED_100M 69 +#define HI3798CV200_FIXED_150M 70 +#define HI3798CV200_FIXED_200M 71 +#define HI3798CV200_FIXED_250M 72 +#define HI3798CV200_FIXED_300M 73 +#define HI3798CV200_FIXED_400M 74 +#define HI3798CV200_MMC_MUX 75 +#define HI3798CV200_ETH_PUB_CLK 76 +#define HI3798CV200_ETH_BUS_CLK 77 +#define HI3798CV200_ETH_BUS0_CLK 78 +#define HI3798CV200_ETH_BUS1_CLK 79 +#define HI3798CV200_COMBPHY1_MUX 80 +#define HI3798CV200_FIXED_12M 81 +#define HI3798CV200_FIXED_48M 82 +#define HI3798CV200_FIXED_60M 83 +#define HI3798CV200_FIXED_166P5M 84 +#define HI3798CV200_SDIO0_MUX 85 +#define HI3798CV200_COMBPHY0_MUX 86 + +#define HI3798CV200_CRG_NR_CLKS 128 static const struct hisi_fixed_rate_clock hi3798cv200_fixed_rate_clks[] = { { HISTB_OSC_CLK, "clk_osc", NULL, 0, 24000000, }, @@ -74,9 +75,9 @@ static const char *const mmc_mux_p[] = { "100m", "50m", "25m", "200m", "150m" }; static u32 mmc_mux_table[] = {0, 1, 2, 3, 6}; -static const char *const comphy1_mux_p[] = { +static const char *const comphy_mux_p[] = { "100m", "25m"}; -static u32 comphy1_mux_table[] = {2, 3}; +static u32 comphy_mux_table[] = {2, 3}; static const char *const sdio_mux_p[] = { "100m", "50m", "150m", "166p5m" }; @@ -85,14 +86,29 @@ static u32 sdio_mux_table[] = {0, 1, 2, 3}; static struct hisi_mux_clock hi3798cv200_mux_clks[] = { { HI3798CV200_MMC_MUX, "mmc_mux", mmc_mux_p, ARRAY_SIZE(mmc_mux_p), CLK_SET_RATE_PARENT, 0xa0, 8, 3, 0, mmc_mux_table, }, + { HI3798CV200_COMBPHY0_MUX, "combphy0_mux", + comphy_mux_p, ARRAY_SIZE(comphy_mux_p), + CLK_SET_RATE_PARENT, 0x188, 2, 2, 0, comphy_mux_table, }, { HI3798CV200_COMBPHY1_MUX, "combphy1_mux", - comphy1_mux_p, ARRAY_SIZE(comphy1_mux_p), - CLK_SET_RATE_PARENT, 0x188, 10, 2, 0, comphy1_mux_table, }, + comphy_mux_p, ARRAY_SIZE(comphy_mux_p), + CLK_SET_RATE_PARENT, 0x188, 10, 2, 0, comphy_mux_table, }, { HI3798CV200_SDIO0_MUX, "sdio0_mux", sdio_mux_p, ARRAY_SIZE(sdio_mux_p), CLK_SET_RATE_PARENT, 0x9c, 8, 2, 0, sdio_mux_table, }, }; +static u32 mmc_phase_regvals[] = {0, 1, 2, 3, 4, 5, 6, 7}; +static u32 mmc_phase_degrees[] = {0, 45, 90, 135, 180, 225, 270, 315}; + +static struct hisi_phase_clock hi3798cv200_phase_clks[] = { + { HISTB_MMC_SAMPLE_CLK, "mmc_sample", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 12, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, + { HISTB_MMC_DRV_CLK, "mmc_drive", "clk_mmc_ciu", + CLK_SET_RATE_PARENT, 0xa0, 16, 3, mmc_phase_degrees, + mmc_phase_regvals, ARRAY_SIZE(mmc_phase_regvals) }, +}; + static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { /* UART */ { HISTB_UART2_CLK, "clk_uart2", "75m", @@ -147,6 +163,9 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { CLK_SET_RATE_PARENT, 0xcc, 4, 0, }, { HISTB_ETH1_MACIF_CLK, "clk_macif1", "clk_bus_m1", CLK_SET_RATE_PARENT, 0xcc, 25, 0, }, + /* COMBPHY0 */ + { HISTB_COMBPHY0_CLK, "clk_combphy0", "combphy0_mux", + CLK_SET_RATE_PARENT, 0x188, 0, 0, }, /* COMBPHY1 */ { HISTB_COMBPHY1_CLK, "clk_combphy1", "combphy1_mux", CLK_SET_RATE_PARENT, 0x188, 8, 0, }, @@ -161,6 +180,8 @@ static const struct hisi_gate_clock hi3798cv200_gate_clks[] = { CLK_SET_RATE_PARENT, 0xb8, 1, 0 }, { HISTB_USB2_UTMI_CLK, "clk_u2_utmi", "60m", CLK_SET_RATE_PARENT, 0xb8, 5, 0 }, + { HISTB_USB2_OTG_UTMI_CLK, "clk_u2_otg_utmi", "60m", + CLK_SET_RATE_PARENT, 0xb8, 3, 0 }, { HISTB_USB2_PHY1_REF_CLK, "clk_u2_phy1_ref", "24m", CLK_SET_RATE_PARENT, 0xbc, 0, 0 }, { HISTB_USB2_PHY2_REF_CLK, "clk_u2_phy2_ref", "24m", @@ -177,6 +198,14 @@ static struct hisi_clock_data *hi3798cv200_clk_register( if (!clk_data) return ERR_PTR(-ENOMEM); + /* hisi_phase_clock is resource managed */ + ret = hisi_clk_register_phase(&pdev->dev, + hi3798cv200_phase_clks, + ARRAY_SIZE(hi3798cv200_phase_clks), + clk_data); + if (ret) + return ERR_PTR(ret); + ret = hisi_clk_register_fixed_rate(hi3798cv200_fixed_rate_clks, ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); @@ -202,18 +231,17 @@ static struct hisi_clock_data *hi3798cv200_clk_register( return clk_data; -unregister_fixed_rate: - hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, - ARRAY_SIZE(hi3798cv200_fixed_rate_clks), +unregister_gate: + hisi_clk_unregister_gate(hi3798cv200_gate_clks, + ARRAY_SIZE(hi3798cv200_gate_clks), clk_data); - unregister_mux: hisi_clk_unregister_mux(hi3798cv200_mux_clks, ARRAY_SIZE(hi3798cv200_mux_clks), clk_data); -unregister_gate: - hisi_clk_unregister_gate(hi3798cv200_gate_clks, - ARRAY_SIZE(hi3798cv200_gate_clks), +unregister_fixed_rate: + hisi_clk_unregister_fixed_rate(hi3798cv200_fixed_rate_clks, + ARRAY_SIZE(hi3798cv200_fixed_rate_clks), clk_data); return ERR_PTR(ret); } @@ -245,7 +273,7 @@ static const struct hisi_crg_funcs hi3798cv200_crg_funcs = { #define HI3798CV200_SYSCTRL_NR_CLKS 16 static const struct hisi_gate_clock hi3798cv200_sysctrl_gate_clks[] = { - { HISTB_IR_CLK, "clk_ir", "100m", + { HISTB_IR_CLK, "clk_ir", "24m", CLK_SET_RATE_PARENT, 0x48, 4, 0, }, { HISTB_TIMER01_CLK, "clk_timer01", "24m", CLK_SET_RATE_PARENT, 0x48, 6, 0, }, diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index f91f2b2e11cd..8c3baa7e6496 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_SOC_IMX35) += clk-imx35.o obj-$(CONFIG_SOC_IMX5) += clk-imx51-imx53.o obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o +obj-$(CONFIG_SOC_IMX6SLL) += clk-imx6sll.o obj-$(CONFIG_SOC_IMX6SX) += clk-imx6sx.o obj-$(CONFIG_SOC_IMX6UL) += clk-imx6ul.o obj-$(CONFIG_SOC_IMX7D) += clk-imx7d.o diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c index 6df3389687bc..99036527eb0d 100644 --- a/drivers/clk/imx/clk-busy.c +++ b/drivers/clk/imx/clk-busy.c @@ -101,7 +101,7 @@ struct clk *imx_clk_busy_divider(const char *name, const char *parent_name, init.name = name; init.ops = &clk_busy_divider_ops; - init.flags = CLK_SET_RATE_PARENT; + init.flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL; init.parent_names = &parent_name; init.num_parents = 1; @@ -175,7 +175,7 @@ struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift, init.name = name; init.ops = &clk_busy_mux_ops; - init.flags = 0; + init.flags = CLK_IS_CRITICAL; init.parent_names = parent_names; init.num_parents = num_parents; diff --git a/drivers/clk/imx/clk-imx6sll.c b/drivers/clk/imx/clk-imx6sll.c new file mode 100644 index 000000000000..3651c77fbabe --- /dev/null +++ b/drivers/clk/imx/clk-imx6sll.c @@ -0,0 +1,340 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * Copyright 2017-2018 NXP. + */ + +#include <dt-bindings/clock/imx6sll-clock.h> +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> + +#include "clk.h" + +#define CCM_ANALOG_PLL_BYPASS (0x1 << 16) +#define BM_CCM_CCDR_MMDC_CH0_MASK (0x2 << 16) +#define xPLL_CLR(offset) (offset + 0x8) + +static const char *pll_bypass_src_sels[] = { "osc", "dummy", }; +static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", }; +static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", }; +static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", }; +static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", }; +static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", }; +static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", }; +static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", }; +static const char *step_sels[] = { "osc", "pll2_pfd2_396m", }; +static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; +static const char *axi_alt_sels[] = { "pll2_pfd2_396m", "pll3_pfd1_540m", }; +static const char *axi_sels[] = {"periph", "axi_alt_sel", }; +static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; +static const char *periph2_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll4_audio_div", }; +static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", }; +static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "osc", }; +static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; +static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; +static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; +static const char *ssi_sels[] = {"pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", "dummy",}; +static const char *spdif_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", }; +static const char *ldb_di0_div_sels[] = { "ldb_di0_div_3_5", "ldb_di0_div_7", }; +static const char *ldb_di1_div_sels[] = { "ldb_di1_div_3_5", "ldb_di1_div_7", }; +static const char *ldb_di0_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_pfd3_594m", "pll2_pfd1_594m", "pll3_pfd3_454m", }; +static const char *ldb_di1_sels[] = { "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_bus", "pll3_pfd3_454m", "pll3_pfd2_508m", }; +static const char *lcdif_pre_sels[] = { "pll2_bus", "pll3_pfd3_454m", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd1_594m", "pll3_pfd1_540m", }; +static const char *ecspi_sels[] = { "pll3_60m", "osc", }; +static const char *uart_sels[] = { "pll3_80m", "osc", }; +static const char *perclk_sels[] = { "ipg", "osc", }; +static const char *lcdif_sels[] = { "lcdif_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; + +static const char *epdc_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", }; +static const char *epdc_sels[] = { "epdc_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; + +static struct clk *clks[IMX6SLL_CLK_END]; +static struct clk_onecell_data clk_data; + +static const struct clk_div_table post_div_table[] = { + { .val = 2, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 0, .div = 4, }, + { } +}; + +static const struct clk_div_table video_div_table[] = { + { .val = 0, .div = 1, }, + { .val = 1, .div = 2, }, + { .val = 2, .div = 1, }, + { .val = 3, .div = 4, }, + { } +}; + +static u32 share_count_audio; +static u32 share_count_ssi1; +static u32 share_count_ssi2; +static u32 share_count_ssi3; + +static void __init imx6sll_clocks_init(struct device_node *ccm_node) +{ + struct device_node *np; + void __iomem *base; + + clks[IMX6SLL_CLK_DUMMY] = imx_clk_fixed("dummy", 0); + + clks[IMX6SLL_CLK_CKIL] = of_clk_get_by_name(ccm_node, "ckil"); + clks[IMX6SLL_CLK_OSC] = of_clk_get_by_name(ccm_node, "osc"); + + /* ipp_di clock is external input */ + clks[IMX6SLL_CLK_IPP_DI0] = of_clk_get_by_name(ccm_node, "ipp_di0"); + clks[IMX6SLL_CLK_IPP_DI1] = of_clk_get_by_name(ccm_node, "ipp_di1"); + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6sll-anatop"); + base = of_iomap(np, 0); + WARN_ON(!base); + + /* Do not bypass PLLs initially */ + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0x0)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0x10)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0x20)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0x30)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0x70)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0xa0)); + writel_relaxed(CCM_ANALOG_PLL_BYPASS, base + xPLL_CLR(0xe0)); + + clks[IMX6SLL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + clks[IMX6SLL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); + + clks[IMX6SLL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "pll1_bypass_src", base + 0x00, 0x7f); + clks[IMX6SLL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "pll2_bypass_src", base + 0x30, 0x1); + clks[IMX6SLL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "pll3_bypass_src", base + 0x10, 0x3); + clks[IMX6SLL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "pll4_bypass_src", base + 0x70, 0x7f); + clks[IMX6SLL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "pll5_bypass_src", base + 0xa0, 0x7f); + clks[IMX6SLL_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6", "pll6_bypass_src", base + 0xe0, 0x3); + clks[IMX6SLL_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "pll7_bypass_src", base + 0x20, 0x3); + + clks[IMX6SLL_PLL1_BYPASS] = imx_clk_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL2_BYPASS] = imx_clk_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL3_BYPASS] = imx_clk_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL4_BYPASS] = imx_clk_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); + clks[IMX6SLL_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); + + clks[IMX6SLL_CLK_PLL1_SYS] = imx_clk_fixed_factor("pll1_sys", "pll1_bypass", 1, 1); + clks[IMX6SLL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13); + clks[IMX6SLL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13); + clks[IMX6SLL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13); + clks[IMX6SLL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13); + clks[IMX6SLL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13); + clks[IMX6SLL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13); + + /* + * Bit 20 is the reserved and read-only bit, we do this only for: + * - Do nothing for usbphy clk_enable/disable + * - Keep refcount when do usbphy clk_enable/disable, in that case, + * the clk framework many need to enable/disable usbphy's parent + */ + clks[IMX6SLL_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20); + clks[IMX6SLL_CLK_USBPHY2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 20); + + /* + * usbphy*_gate needs to be on after system boots up, and software + * never needs to control it anymore. + */ + if (IS_ENABLED(CONFIG_USB_MXS_PHY)) { + clks[IMX6SLL_CLK_USBPHY1_GATE] = imx_clk_gate_flags("usbphy1_gate", "dummy", base + 0x10, 6, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_USBPHY2_GATE] = imx_clk_gate_flags("usbphy2_gate", "dummy", base + 0x20, 6, CLK_IS_CRITICAL); + } + + /* name parent_name reg idx */ + clks[IMX6SLL_CLK_PLL2_PFD0] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); + clks[IMX6SLL_CLK_PLL2_PFD1] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); + clks[IMX6SLL_CLK_PLL2_PFD2] = imx_clk_pfd("pll2_pfd2_396m", "pll2_bus", base + 0x100, 2); + clks[IMX6SLL_CLK_PLL2_PFD3] = imx_clk_pfd("pll2_pfd3_594m", "pll2_bus", base + 0x100, 3); + clks[IMX6SLL_CLK_PLL3_PFD0] = imx_clk_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0, 0); + clks[IMX6SLL_CLK_PLL3_PFD1] = imx_clk_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0, 1); + clks[IMX6SLL_CLK_PLL3_PFD2] = imx_clk_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2); + clks[IMX6SLL_CLK_PLL3_PFD3] = imx_clk_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3); + + clks[IMX6SLL_CLK_PLL4_POST_DIV] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock); + clks[IMX6SLL_CLK_PLL4_AUDIO_DIV] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 15, 1, 0, &imx_ccm_lock); + clks[IMX6SLL_CLK_PLL5_POST_DIV] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock); + clks[IMX6SLL_CLK_PLL5_VIDEO_DIV] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock); + + /* name parent_name mult div */ + clks[IMX6SLL_CLK_PLL2_198M] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2); + clks[IMX6SLL_CLK_PLL3_120M] = imx_clk_fixed_factor("pll3_120m", "pll3_usb_otg", 1, 4); + clks[IMX6SLL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6); + clks[IMX6SLL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8); + + np = ccm_node; + base = of_iomap(np, 0); + WARN_ON(!base); + + clks[IMX6SLL_CLK_STEP] = imx_clk_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels)); + clks[IMX6SLL_CLK_PLL1_SW] = imx_clk_mux_flags("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0); + clks[IMX6SLL_CLK_AXI_ALT_SEL] = imx_clk_mux("axi_alt_sel", base + 0x14, 7, 1, axi_alt_sels, ARRAY_SIZE(axi_alt_sels)); + clks[IMX6SLL_CLK_AXI_SEL] = imx_clk_mux_flags("axi_sel", base + 0x14, 6, 1, axi_sels, ARRAY_SIZE(axi_sels), 0); + clks[IMX6SLL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); + clks[IMX6SLL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels)); + clks[IMX6SLL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); + clks[IMX6SLL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); + clks[IMX6SLL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); + clks[IMX6SLL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); + clks[IMX6SLL_CLK_USDHC3_SEL] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); + clks[IMX6SLL_CLK_SSI1_SEL] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); + clks[IMX6SLL_CLK_SSI2_SEL] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); + clks[IMX6SLL_CLK_SSI3_SEL] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels)); + clks[IMX6SLL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels)); + clks[IMX6SLL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels)); + clks[IMX6SLL_CLK_SPDIF_SEL] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, spdif_sels, ARRAY_SIZE(spdif_sels)); + clks[IMX6SLL_CLK_EXTERN_AUDIO_SEL] = imx_clk_mux("extern_audio_sel", base + 0x30, 7, 2, spdif_sels, ARRAY_SIZE(spdif_sels)); + clks[IMX6SLL_CLK_EPDC_PRE_SEL] = imx_clk_mux("epdc_pre_sel", base + 0x34, 15, 3, epdc_pre_sels, ARRAY_SIZE(epdc_pre_sels)); + clks[IMX6SLL_CLK_EPDC_SEL] = imx_clk_mux("epdc_sel", base + 0x34, 9, 3, epdc_sels, ARRAY_SIZE(epdc_sels)); + clks[IMX6SLL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels)); + clks[IMX6SLL_CLK_LCDIF_PRE_SEL] = imx_clk_mux("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels)); + clks[IMX6SLL_CLK_LCDIF_SEL] = imx_clk_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels)); + + clks[IMX6SLL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels)); + clks[IMX6SLL_CLK_PERIPH2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels)); + + clks[IMX6SLL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3); + clks[IMX6SLL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3); + clks[IMX6SLL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2); + clks[IMX6SLL_CLK_LCDIF_PODF] = imx_clk_divider("lcdif_podf", "lcdif_pred", base + 0x18, 23, 3); + clks[IMX6SLL_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6); + clks[IMX6SLL_CLK_USDHC3_PODF] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3); + clks[IMX6SLL_CLK_USDHC2_PODF] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3); + clks[IMX6SLL_CLK_USDHC1_PODF] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3); + clks[IMX6SLL_CLK_UART_PODF] = imx_clk_divider("uart_podf", "uart_sel", base + 0x24, 0, 6); + clks[IMX6SLL_CLK_SSI3_PRED] = imx_clk_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3); + clks[IMX6SLL_CLK_SSI3_PODF] = imx_clk_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6); + clks[IMX6SLL_CLK_SSI1_PRED] = imx_clk_divider("ssi1_pred", "ssi1_sel", base + 0x28, 6, 3); + clks[IMX6SLL_CLK_SSI1_PODF] = imx_clk_divider("ssi1_podf", "ssi1_pred", base + 0x28, 0, 6); + clks[IMX6SLL_CLK_SSI2_PRED] = imx_clk_divider("ssi2_pred", "ssi2_sel", base + 0x2c, 6, 3); + clks[IMX6SLL_CLK_SSI2_PODF] = imx_clk_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6); + clks[IMX6SLL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); + clks[IMX6SLL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); + clks[IMX6SLL_CLK_EXTERN_AUDIO_PRED] = imx_clk_divider("extern_audio_pred", "extern_audio_sel", base + 0x30, 12, 3); + clks[IMX6SLL_CLK_EXTERN_AUDIO_PODF] = imx_clk_divider("extern_audio_podf", "extern_audio_pred", base + 0x30, 9, 3); + clks[IMX6SLL_CLK_EPDC_PODF] = imx_clk_divider("epdc_podf", "epdc_pre_sel", base + 0x34, 12, 3); + clks[IMX6SLL_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_sel", base + 0x38, 19, 6); + clks[IMX6SLL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3); + + clks[IMX6SLL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16); + clks[IMX6SLL_CLK_MMDC_PODF] = imx_clk_busy_divider("mmdc_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2); + clks[IMX6SLL_CLK_AXI_PODF] = imx_clk_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0); + clks[IMX6SLL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1); + + clks[IMX6SLL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); + clks[IMX6SLL_CLK_LDB_DI0_DIV_7] = imx_clk_fixed_factor("ldb_di0_div_7", "ldb_di0_sel", 1, 7); + clks[IMX6SLL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7); + clks[IMX6SLL_CLK_LDB_DI1_DIV_7] = imx_clk_fixed_factor("ldb_di1_div_7", "ldb_di1_sel", 1, 7); + + clks[IMX6SLL_CLK_LDB_DI0_SEL] = imx_clk_mux("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di0_sels, ARRAY_SIZE(ldb_di0_sels)); + clks[IMX6SLL_CLK_LDB_DI1_SEL] = imx_clk_mux("ldb_di1_sel", base + 0x1c, 7, 3, ldb_di1_sels, ARRAY_SIZE(ldb_di1_sels)); + clks[IMX6SLL_CLK_LDB_DI0_DIV_SEL] = imx_clk_mux("ldb_di0_div_sel", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels)); + clks[IMX6SLL_CLK_LDB_DI1_DIV_SEL] = imx_clk_mux("ldb_di1_div_sel", base + 0x20, 10, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels)); + + /* CCGR0 */ + clks[IMX6SLL_CLK_AIPSTZ1] = imx_clk_gate2_flags("aips_tz1", "ahb", base + 0x68, 0, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_AIPSTZ2] = imx_clk_gate2_flags("aips_tz2", "ahb", base + 0x68, 2, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_DCP] = imx_clk_gate2("dcp", "ahb", base + 0x68, 10); + clks[IMX6SLL_CLK_UART2_IPG] = imx_clk_gate2("uart2_ipg", "ipg", base + 0x68, 28); + clks[IMX6SLL_CLK_UART2_SERIAL] = imx_clk_gate2("uart2_serial", "uart_podf", base + 0x68, 28); + + /* CCGR1 */ + clks[IMX6SLL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_podf", base + 0x6c, 0); + clks[IMX6SLL_CLK_ECSPI2] = imx_clk_gate2("ecspi2", "ecspi_podf", base + 0x6c, 2); + clks[IMX6SLL_CLK_ECSPI3] = imx_clk_gate2("ecspi3", "ecspi_podf", base + 0x6c, 4); + clks[IMX6SLL_CLK_ECSPI4] = imx_clk_gate2("ecspi4", "ecspi_podf", base + 0x6c, 6); + clks[IMX6SLL_CLK_UART3_IPG] = imx_clk_gate2("uart3_ipg", "ipg", base + 0x6c, 10); + clks[IMX6SLL_CLK_UART3_SERIAL] = imx_clk_gate2("uart3_serial", "uart_podf", base + 0x6c, 10); + clks[IMX6SLL_CLK_EPIT1] = imx_clk_gate2("epit1", "perclk", base + 0x6c, 12); + clks[IMX6SLL_CLK_EPIT2] = imx_clk_gate2("epit2", "perclk", base + 0x6c, 14); + clks[IMX6SLL_CLK_GPT_BUS] = imx_clk_gate2("gpt1_bus", "perclk", base + 0x6c, 20); + clks[IMX6SLL_CLK_GPT_SERIAL] = imx_clk_gate2("gpt1_serial", "perclk", base + 0x6c, 22); + clks[IMX6SLL_CLK_UART4_IPG] = imx_clk_gate2("uart4_ipg", "ipg", base + 0x6c, 24); + clks[IMX6SLL_CLK_UART4_SERIAL] = imx_clk_gate2("uart4_serail", "uart_podf", base + 0x6c, 24); + + /* CCGR2 */ + clks[IMX6SLL_CLK_CSI] = imx_clk_gate2("csi", "axi", base + 0x70, 2); + clks[IMX6SLL_CLK_I2C1] = imx_clk_gate2("i2c1", "perclk", base + 0x70, 6); + clks[IMX6SLL_CLK_I2C2] = imx_clk_gate2("i2c2", "perclk", base + 0x70, 8); + clks[IMX6SLL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10); + clks[IMX6SLL_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12); + clks[IMX6SLL_CLK_LCDIF_APB] = imx_clk_gate2("lcdif_apb", "axi", base + 0x70, 28); + clks[IMX6SLL_CLK_PXP] = imx_clk_gate2("pxp", "axi", base + 0x70, 30); + + /* CCGR3 */ + clks[IMX6SLL_CLK_UART5_IPG] = imx_clk_gate2("uart5_ipg", "ipg", base + 0x74, 2); + clks[IMX6SLL_CLK_UART5_SERIAL] = imx_clk_gate2("uart5_serial", "uart_podf", base + 0x74, 2); + clks[IMX6SLL_CLK_EPDC_AXI] = imx_clk_gate2("epdc_aclk", "axi", base + 0x74, 4); + clks[IMX6SLL_CLK_EPDC_PIX] = imx_clk_gate2("epdc_pix", "epdc_podf", base + 0x74, 4); + clks[IMX6SLL_CLK_LCDIF_PIX] = imx_clk_gate2("lcdif_pix", "lcdif_podf", base + 0x74, 10); + clks[IMX6SLL_CLK_WDOG1] = imx_clk_gate2("wdog1", "ipg", base + 0x74, 16); + clks[IMX6SLL_CLK_MMDC_P0_FAST] = imx_clk_gate_flags("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_MMDC_P0_IPG] = imx_clk_gate2_flags("mmdc_p0_ipg", "ipg", base + 0x74, 24, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_OCRAM] = imx_clk_gate_flags("ocram","ahb", base + 0x74, 28, CLK_IS_CRITICAL); + + /* CCGR4 */ + clks[IMX6SLL_CLK_PWM1] = imx_clk_gate2("pwm1", "perclk", base + 0x78, 16); + clks[IMX6SLL_CLK_PWM2] = imx_clk_gate2("pwm2", "perclk", base + 0x78, 18); + clks[IMX6SLL_CLK_PWM3] = imx_clk_gate2("pwm3", "perclk", base + 0x78, 20); + clks[IMX6SLL_CLK_PWM4] = imx_clk_gate2("pwm4", "perclk", base + 0x78, 22); + + /* CCGR5 */ + clks[IMX6SLL_CLK_ROM] = imx_clk_gate2_flags("rom", "ahb", base + 0x7c, 0, CLK_IS_CRITICAL); + clks[IMX6SLL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6); + clks[IMX6SLL_CLK_WDOG2] = imx_clk_gate2("wdog2", "ipg", base + 0x7c, 10); + clks[IMX6SLL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); + clks[IMX6SLL_CLK_EXTERN_AUDIO] = imx_clk_gate2_shared("extern_audio", "extern_audio_podf", base + 0x7c, 14, &share_count_audio); + clks[IMX6SLL_CLK_SPDIF] = imx_clk_gate2_shared("spdif", "spdif_podf", base + 0x7c, 14, &share_count_audio); + clks[IMX6SLL_CLK_SPDIF_GCLK] = imx_clk_gate2_shared("spdif_gclk", "ipg", base + 0x7c, 14, &share_count_audio); + clks[IMX6SLL_CLK_SSI1] = imx_clk_gate2_shared("ssi1", "ssi1_podf", base + 0x7c, 18, &share_count_ssi1); + clks[IMX6SLL_CLK_SSI1_IPG] = imx_clk_gate2_shared("ssi1_ipg", "ipg", base + 0x7c, 18, &share_count_ssi1); + clks[IMX6SLL_CLK_SSI2] = imx_clk_gate2_shared("ssi2", "ssi2_podf", base + 0x7c, 20, &share_count_ssi2); + clks[IMX6SLL_CLK_SSI2_IPG] = imx_clk_gate2_shared("ssi2_ipg", "ipg", base + 0x7c, 20, &share_count_ssi2); + clks[IMX6SLL_CLK_SSI3] = imx_clk_gate2_shared("ssi3", "ssi3_podf", base + 0x7c, 22, &share_count_ssi3); + clks[IMX6SLL_CLK_SSI3_IPG] = imx_clk_gate2_shared("ssi3_ipg", "ipg", base + 0x7c, 22, &share_count_ssi3); + clks[IMX6SLL_CLK_UART1_IPG] = imx_clk_gate2("uart1_ipg", "ipg", base + 0x7c, 24); + clks[IMX6SLL_CLK_UART1_SERIAL] = imx_clk_gate2("uart1_serial", "uart_podf", base + 0x7c, 24); + + /* CCGR6 */ + clks[IMX6SLL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); + clks[IMX6SLL_CLK_USDHC1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2); + clks[IMX6SLL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); + clks[IMX6SLL_CLK_USDHC3] = imx_clk_gate2("usdhc3", "usdhc3_podf", base + 0x80, 6); + + /* mask handshake of mmdc */ + writel_relaxed(BM_CCM_CCDR_MMDC_CH0_MASK, base + 0x4); + + imx_check_clocks(clks, ARRAY_SIZE(clks)); + + clk_data.clks = clks; + clk_data.clk_num = ARRAY_SIZE(clks); + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + + /* Lower the AHB clock rate before changing the clock source. */ + clk_set_rate(clks[IMX6SLL_CLK_AHB], 99000000); + + /* Change periph_pre clock to pll2_bus to adjust AXI rate to 264MHz */ + clk_set_parent(clks[IMX6SLL_CLK_PERIPH_CLK2_SEL], clks[IMX6SLL_CLK_PLL3_USB_OTG]); + clk_set_parent(clks[IMX6SLL_CLK_PERIPH], clks[IMX6SLL_CLK_PERIPH_CLK2]); + clk_set_parent(clks[IMX6SLL_CLK_PERIPH_PRE], clks[IMX6SLL_CLK_PLL2_BUS]); + clk_set_parent(clks[IMX6SLL_CLK_PERIPH], clks[IMX6SLL_CLK_PERIPH_PRE]); + + clk_set_rate(clks[IMX6SLL_CLK_AHB], 132000000); +} +CLK_OF_DECLARE_DRIVER(imx6sll, "fsl,imx6sll-ccm", imx6sll_clocks_init); diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c index e6d389e333d7..bc3f9ebf2d9e 100644 --- a/drivers/clk/imx/clk-imx6sx.c +++ b/drivers/clk/imx/clk-imx6sx.c @@ -63,17 +63,17 @@ static const char *lcdif2_sels[] = { "lcdif2_podf", "ipp_di0", "ipp_di1", "ldb_d static const char *display_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll3_usb_otg", "pll3_pfd1_540m", }; static const char *csi_sels[] = { "osc", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; static const char *cko1_sels[] = { - "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div", - "dummy", "ocram", "dummy", "pxp_axi", "epdc_axi", "lcdif_pix", - "epdc_pix", "ahb", "ipg", "perclk", "ckil", "pll4_audio_div", + "dummy", "dummy", "dummy", "dummy", + "vadc", "ocram", "qspi2", "m4", "enet_ahb", "lcdif2_pix", + "lcdif1_pix", "ahb", "ipg", "perclk", "ckil", "pll4_audio_div", }; static const char *cko2_sels[] = { "dummy", "mmdc_p0_fast", "usdhc4", "usdhc1", "dummy", "wrck", "ecspi_root", "dummy", "usdhc3", "pcie", "arm", "csi_core", - "lcdif_axi", "dummy", "osc", "dummy", "gpu2d_ovg_core", - "usdhc2", "ssi1", "ssi2", "ssi3", "gpu2d_core", "dummy", - "dummy", "dummy", "dummy", "esai_extal", "eim_slow", "uart_serial", - "spdif", "asrc", "dummy", + "display_axi", "dummy", "osc", "dummy", "dummy", + "usdhc2", "ssi1", "ssi2", "ssi3", "gpu_axi_podf", "dummy", + "can_podf", "lvds1_out", "qspi1", "esai_extal", "eim_slow", + "uart_serial", "spdif", "audio", "dummy", }; static const char *cko_sels[] = { "cko1", "cko2", }; static const char *lvds_sels[] = { diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c index 85c118164469..114ecbb94ec5 100644 --- a/drivers/clk/imx/clk-imx6ul.c +++ b/drivers/clk/imx/clk-imx6ul.c @@ -308,7 +308,10 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node) clks[IMX6UL_CLK_SAI2_PODF] = imx_clk_divider("sai2_podf", "sai2_pred", base + 0x2c, 0, 6); clks[IMX6UL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); clks[IMX6UL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); - clks[IMX6UL_CLK_SIM_PODF] = imx_clk_divider("sim_podf", "sim_pre_sel", base + 0x34, 12, 3); + if (clk_on_imx6ul()) + clks[IMX6UL_CLK_SIM_PODF] = imx_clk_divider("sim_podf", "sim_pre_sel", base + 0x34, 12, 3); + else if (clk_on_imx6ull()) + clks[IMX6ULL_CLK_EPDC_PODF] = imx_clk_divider("epdc_podf", "epdc_pre_sel", base + 0x34, 12, 3); clks[IMX6UL_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_sel", base + 0x38, 19, 6); clks[IMX6UL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3); clks[IMX6UL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3); diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c index 617beb234259..975a20d3cc94 100644 --- a/drivers/clk/imx/clk-imx7d.c +++ b/drivers/clk/imx/clk-imx7d.c @@ -51,20 +51,20 @@ static const char *arm_a7_sel[] = { "osc", "pll_arm_main_clk", static const char *arm_m4_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_enet_250m_clk", "pll_sys_pfd2_270m_clk", - "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", }; static const char *axi_sel[] = { "osc", "pll_sys_pfd1_332m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", "pll_sys_pfd5_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_sys_pfd7_clk", }; + "pll_audio_post_div", "pll_video_post_div", "pll_sys_pfd7_clk", }; static const char *disp_axi_sel[] = { "osc", "pll_sys_pfd1_332m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", "pll_sys_pfd6_clk", - "pll_sys_pfd7_clk", "pll_audio_post_div", "pll_video_main_clk", }; + "pll_sys_pfd7_clk", "pll_audio_post_div", "pll_video_post_div", }; static const char *enet_axi_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_enet_250m_clk", - "pll_sys_main_240m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_sys_main_240m_clk", "pll_audio_post_div", "pll_video_post_div", "pll_sys_pfd4_clk", }; static const char *nand_usdhc_bus_sel[] = { "osc", "pll_sys_pfd2_270m_clk", @@ -74,8 +74,8 @@ static const char *nand_usdhc_bus_sel[] = { "osc", "pll_sys_pfd2_270m_clk", static const char *ahb_channel_sel[] = { "osc", "pll_sys_pfd2_270m_clk", "pll_dram_533m_clk", "pll_sys_pfd0_392m_clk", - "pll_enet_125m_clk", "pll_usb_main_clk", "pll_audio_post_div", - "pll_video_main_clk", }; + "pll_enet_250m_clk", "pll_usb_main_clk", "pll_audio_post_div", + "pll_video_post_div", }; static const char *dram_phym_sel[] = { "pll_dram_main_clk", "dram_phym_alt_clk", }; @@ -86,7 +86,7 @@ static const char *dram_sel[] = { "pll_dram_main_clk", static const char *dram_phym_alt_sel[] = { "osc", "pll_dram_533m_clk", "pll_sys_main_clk", "pll_enet_500m_clk", "pll_usb_main_clk", "pll_sys_pfd7_clk", "pll_audio_post_div", - "pll_video_main_clk", }; + "pll_video_post_div", }; static const char *dram_alt_sel[] = { "osc", "pll_dram_533m_clk", "pll_sys_main_clk", "pll_enet_500m_clk", @@ -108,62 +108,62 @@ static const char *pcie_phy_sel[] = { "osc", "pll_enet_100m_clk", static const char *epdc_pixel_sel[] = { "osc", "pll_sys_pfd1_332m_clk", "pll_dram_533m_clk", "pll_sys_main_clk", "pll_sys_pfd5_clk", - "pll_sys_pfd6_clk", "pll_sys_pfd7_clk", "pll_video_main_clk", }; + "pll_sys_pfd6_clk", "pll_sys_pfd7_clk", "pll_video_post_div", }; static const char *lcdif_pixel_sel[] = { "osc", "pll_sys_pfd5_clk", "pll_dram_533m_clk", "ext_clk_3", "pll_sys_pfd4_clk", - "pll_sys_pfd2_270m_clk", "pll_video_main_clk", + "pll_sys_pfd2_270m_clk", "pll_video_post_div", "pll_usb_main_clk", }; static const char *mipi_dsi_sel[] = { "osc", "pll_sys_pfd5_clk", "pll_sys_pfd3_clk", "pll_sys_main_clk", "pll_sys_pfd0_196m_clk", - "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_post_div", }; + "pll_dram_533m_clk", "pll_video_post_div", "pll_audio_post_div", }; static const char *mipi_csi_sel[] = { "osc", "pll_sys_pfd4_clk", "pll_sys_pfd3_clk", "pll_sys_main_clk", "pll_sys_pfd0_196m_clk", - "pll_dram_533m_clk", "pll_video_main_clk", "pll_audio_post_div", }; + "pll_dram_533m_clk", "pll_video_post_div", "pll_audio_post_div", }; static const char *mipi_dphy_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_dram_533m_clk", "pll_sys_pfd5_clk", "ref_1m_clk", "ext_clk_2", - "pll_video_main_clk", "ext_clk_3", }; + "pll_video_post_div", "ext_clk_3", }; static const char *sai1_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_post_div", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_2", }; static const char *sai2_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_post_div", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_2", }; static const char *sai3_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_post_div", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_clk_3", }; static const char *spdif_sel[] = { "osc", "pll_sys_pfd2_135m_clk", - "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_main_clk", + "pll_audio_post_div", "pll_dram_533m_clk", "pll_video_post_div", "pll_sys_pfd4_clk", "pll_enet_125m_clk", "ext_3_clk", }; static const char *enet1_ref_sel[] = { "osc", "pll_enet_125m_clk", "pll_enet_50m_clk", "pll_enet_25m_clk", - "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_post_div", "ext_clk_4", }; static const char *enet1_time_sel[] = { "osc", "pll_enet_100m_clk", "pll_audio_post_div", "ext_clk_1", "ext_clk_2", "ext_clk_3", - "ext_clk_4", "pll_video_main_clk", }; + "ext_clk_4", "pll_video_post_div", }; static const char *enet2_ref_sel[] = { "osc", "pll_enet_125m_clk", "pll_enet_50m_clk", "pll_enet_25m_clk", - "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_sys_main_120m_clk", "pll_audio_post_div", "pll_video_post_div", "ext_clk_4", }; static const char *enet2_time_sel[] = { "osc", "pll_enet_100m_clk", "pll_audio_post_div", "ext_clk_1", "ext_clk_2", "ext_clk_3", - "ext_clk_4", "pll_video_main_clk", }; + "ext_clk_4", "pll_video_post_div", }; static const char *enet_phy_ref_sel[] = { "osc", "pll_enet_25m_clk", "pll_enet_50m_clk", "pll_enet_125m_clk", - "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_dram_533m_clk", "pll_audio_post_div", "pll_video_post_div", "pll_sys_pfd3_clk", }; static const char *eim_sel[] = { "osc", "pll_sys_pfd2_135m_clk", @@ -174,7 +174,7 @@ static const char *eim_sel[] = { "osc", "pll_sys_pfd2_135m_clk", static const char *nand_sel[] = { "osc", "pll_sys_main_clk", "pll_dram_533m_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd3_clk", "pll_enet_500m_clk", "pll_enet_250m_clk", - "pll_video_main_clk", }; + "pll_video_post_div", }; static const char *qspi_sel[] = { "osc", "pll_sys_pfd4_clk", "pll_dram_533m_clk", "pll_enet_500m_clk", "pll_sys_pfd3_clk", @@ -204,22 +204,22 @@ static const char *can2_sel[] = { "osc", "pll_sys_main_120m_clk", static const char *i2c1_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c2_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c3_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *i2c4_sel[] = { "osc", "pll_sys_main_120m_clk", "pll_enet_50m_clk", "pll_dram_533m_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_usb_main_clk", + "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", "pll_sys_pfd2_135m_clk", }; static const char *uart1_sel[] = { "osc", "pll_sys_main_240m_clk", @@ -279,27 +279,27 @@ static const char *ecspi4_sel[] = { "osc", "pll_sys_main_240m_clk", static const char *pwm1_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_1", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_1", "ref_1m_clk", "pll_video_post_div", }; static const char *pwm2_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_1", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_1", "ref_1m_clk", "pll_video_post_div", }; static const char *pwm3_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_2", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_2", "ref_1m_clk", "pll_video_post_div", }; static const char *pwm4_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_2", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_2", "ref_1m_clk", "pll_video_post_div", }; static const char *flextimer1_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_3", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_3", "ref_1m_clk", "pll_video_post_div", }; static const char *flextimer2_sel[] = { "osc", "pll_enet_100m_clk", "pll_sys_main_120m_clk", "pll_enet_40m_clk", "pll_audio_post_div", - "ext_clk_3", "ref_1m_clk", "pll_video_main_clk", }; + "ext_clk_3", "ref_1m_clk", "pll_video_post_div", }; static const char *sim1_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", @@ -308,23 +308,23 @@ static const char *sim1_sel[] = { "osc", "pll_sys_pfd2_135m_clk", static const char *sim2_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_usb_main_clk", "pll_video_main_clk", "pll_enet_125m_clk", + "pll_usb_main_clk", "pll_video_post_div", "pll_enet_125m_clk", "pll_sys_pfd7_clk", }; static const char *gpt1_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", + "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_post_div", "ref_1m_clk", "pll_audio_post_div", "ext_clk_1", }; static const char *gpt2_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", + "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_post_div", "ref_1m_clk", "pll_audio_post_div", "ext_clk_2", }; static const char *gpt3_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", + "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_post_div", "ref_1m_clk", "pll_audio_post_div", "ext_clk_3", }; static const char *gpt4_sel[] = { "osc", "pll_enet_100m_clk", - "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_main_clk", + "pll_sys_pfd0_392m_clk", "pll_enet_40m_clk", "pll_video_post_div", "ref_1m_clk", "pll_audio_post_div", "ext_clk_4", }; static const char *trace_sel[] = { "osc", "pll_sys_pfd2_135m_clk", @@ -339,12 +339,12 @@ static const char *wdog_sel[] = { "osc", "pll_sys_pfd2_135m_clk", static const char *csi_mclk_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", }; static const char *audio_mclk_sel[] = { "osc", "pll_sys_pfd2_135m_clk", "pll_sys_main_120m_clk", "pll_dram_533m_clk", - "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_main_clk", + "pll_enet_125m_clk", "pll_audio_post_div", "pll_video_post_div", "pll_usb_main_clk", }; static const char *wrclk_sel[] = { "osc", "pll_enet_40m_clk", @@ -358,13 +358,13 @@ static const char *clko1_sel[] = { "osc", "pll_sys_main_clk", static const char *clko2_sel[] = { "osc", "pll_sys_main_240m_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_166m_clk", "pll_sys_pfd4_clk", - "pll_audio_post_div", "pll_video_main_clk", "ckil", }; + "pll_audio_post_div", "pll_video_post_div", "ckil", }; static const char *lvds1_sel[] = { "pll_arm_main_clk", "pll_sys_main_clk", "pll_sys_pfd0_392m_clk", "pll_sys_pfd1_332m_clk", "pll_sys_pfd2_270m_clk", "pll_sys_pfd3_clk", "pll_sys_pfd4_clk", "pll_sys_pfd5_clk", "pll_sys_pfd6_clk", "pll_sys_pfd7_clk", - "pll_audio_post_div", "pll_video_main_clk", "pll_enet_500m_clk", + "pll_audio_post_div", "pll_video_post_div", "pll_enet_500m_clk", "pll_enet_250m_clk", "pll_enet_125m_clk", "pll_enet_100m_clk", "pll_enet_50m_clk", "pll_enet_40m_clk", "pll_enet_25m_clk", "pll_dram_main_clk", }; @@ -433,23 +433,22 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_PLL_AUDIO_MAIN_BYPASS] = imx_clk_mux_flags("pll_audio_main_bypass", base + 0xf0, 16, 1, pll_audio_bypass_sel, ARRAY_SIZE(pll_audio_bypass_sel), CLK_SET_RATE_PARENT); clks[IMX7D_PLL_VIDEO_MAIN_BYPASS] = imx_clk_mux_flags("pll_video_main_bypass", base + 0x130, 16, 1, pll_video_bypass_sel, ARRAY_SIZE(pll_video_bypass_sel), CLK_SET_RATE_PARENT); - clk_set_parent(clks[IMX7D_PLL_ARM_MAIN_BYPASS], clks[IMX7D_PLL_ARM_MAIN]); - clk_set_parent(clks[IMX7D_PLL_DRAM_MAIN_BYPASS], clks[IMX7D_PLL_DRAM_MAIN]); - clk_set_parent(clks[IMX7D_PLL_SYS_MAIN_BYPASS], clks[IMX7D_PLL_SYS_MAIN]); - clk_set_parent(clks[IMX7D_PLL_ENET_MAIN_BYPASS], clks[IMX7D_PLL_ENET_MAIN]); - clk_set_parent(clks[IMX7D_PLL_AUDIO_MAIN_BYPASS], clks[IMX7D_PLL_AUDIO_MAIN]); - clk_set_parent(clks[IMX7D_PLL_VIDEO_MAIN_BYPASS], clks[IMX7D_PLL_VIDEO_MAIN]); - clks[IMX7D_PLL_ARM_MAIN_CLK] = imx_clk_gate("pll_arm_main_clk", "pll_arm_main_bypass", base + 0x60, 13); - clks[IMX7D_PLL_DRAM_MAIN_CLK] = imx_clk_gate("pll_dram_main_clk", "pll_dram_main_bypass", base + 0x70, 13); + clks[IMX7D_PLL_DRAM_MAIN_CLK] = imx_clk_gate("pll_dram_main_clk", "pll_dram_test_div", base + 0x70, 13); clks[IMX7D_PLL_SYS_MAIN_CLK] = imx_clk_gate("pll_sys_main_clk", "pll_sys_main_bypass", base + 0xb0, 13); clks[IMX7D_PLL_AUDIO_MAIN_CLK] = imx_clk_gate("pll_audio_main_clk", "pll_audio_main_bypass", base + 0xf0, 13); clks[IMX7D_PLL_VIDEO_MAIN_CLK] = imx_clk_gate("pll_video_main_clk", "pll_video_main_bypass", base + 0x130, 13); + clks[IMX7D_PLL_DRAM_TEST_DIV] = clk_register_divider_table(NULL, "pll_dram_test_div", "pll_dram_main_bypass", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x70, 21, 2, 0, test_div_table, &imx_ccm_lock); clks[IMX7D_PLL_AUDIO_TEST_DIV] = clk_register_divider_table(NULL, "pll_audio_test_div", "pll_audio_main_clk", CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xf0, 19, 2, 0, test_div_table, &imx_ccm_lock); clks[IMX7D_PLL_AUDIO_POST_DIV] = clk_register_divider_table(NULL, "pll_audio_post_div", "pll_audio_test_div", CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xf0, 22, 2, 0, post_div_table, &imx_ccm_lock); + clks[IMX7D_PLL_VIDEO_TEST_DIV] = clk_register_divider_table(NULL, "pll_video_test_div", "pll_video_main_clk", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x130, 19, 2, 0, test_div_table, &imx_ccm_lock); + clks[IMX7D_PLL_VIDEO_POST_DIV] = clk_register_divider_table(NULL, "pll_video_post_div", "pll_video_test_div", + CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x130, 22, 2, 0, post_div_table, &imx_ccm_lock); clks[IMX7D_PLL_SYS_PFD0_392M_CLK] = imx_clk_pfd("pll_sys_pfd0_392m_clk", "pll_sys_main_clk", base + 0xc0, 0); clks[IMX7D_PLL_SYS_PFD1_332M_CLK] = imx_clk_pfd("pll_sys_pfd1_332m_clk", "pll_sys_main_clk", base + 0xc0, 1); @@ -797,7 +796,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_OCOTP_CLK] = imx_clk_gate4("ocotp_clk", "ipg_root_clk", base + 0x4230, 0); clks[IMX7D_SNVS_CLK] = imx_clk_gate4("snvs_clk", "ipg_root_clk", base + 0x4250, 0); clks[IMX7D_CAAM_CLK] = imx_clk_gate4("caam_clk", "ipg_root_clk", base + 0x4240, 0); - clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4420, 0); + clks[IMX7D_USB_HSIC_ROOT_CLK] = imx_clk_gate4("usb_hsic_root_clk", "usb_hsic_post_div", base + 0x4690, 0); clks[IMX7D_SDMA_CORE_CLK] = imx_clk_gate4("sdma_root_clk", "ahb_root_clk", base + 0x4480, 0); clks[IMX7D_PCIE_CTRL_ROOT_CLK] = imx_clk_gate4("pcie_ctrl_root_clk", "pcie_ctrl_post_div", base + 0x4600, 0); clks[IMX7D_PCIE_PHY_ROOT_CLK] = imx_clk_gate4("pcie_phy_root_clk", "pcie_phy_post_div", base + 0x4600, 0); @@ -863,6 +862,9 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) clks[IMX7D_CSI_MCLK_ROOT_CLK] = imx_clk_gate4("csi_mclk_root_clk", "csi_mclk_post_div", base + 0x4490, 0); clks[IMX7D_AUDIO_MCLK_ROOT_CLK] = imx_clk_gate4("audio_mclk_root_clk", "audio_mclk_post_div", base + 0x4790, 0); clks[IMX7D_WRCLK_ROOT_CLK] = imx_clk_gate4("wrclk_root_clk", "wrclk_post_div", base + 0x47a0, 0); + clks[IMX7D_USB_CTRL_CLK] = imx_clk_gate4("usb_ctrl_clk", "ahb_root_clk", base + 0x4680, 0); + clks[IMX7D_USB_PHY1_CLK] = imx_clk_gate4("usb_phy1_clk", "pll_usb1_main_clk", base + 0x46a0, 0); + clks[IMX7D_USB_PHY2_CLK] = imx_clk_gate4("usb_phy2_clk", "pll_usb_main_clk", base + 0x46b0, 0); clks[IMX7D_ADC_ROOT_CLK] = imx_clk_gate4("adc_root_clk", "ipg_root_clk", base + 0x4200, 0); clks[IMX7D_GPT_3M_CLK] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8); @@ -882,12 +884,23 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clks[clks_init_on[i]]); + clk_set_parent(clks[IMX7D_PLL_ARM_MAIN_BYPASS], clks[IMX7D_PLL_ARM_MAIN]); + clk_set_parent(clks[IMX7D_PLL_DRAM_MAIN_BYPASS], clks[IMX7D_PLL_DRAM_MAIN]); + clk_set_parent(clks[IMX7D_PLL_SYS_MAIN_BYPASS], clks[IMX7D_PLL_SYS_MAIN]); + clk_set_parent(clks[IMX7D_PLL_ENET_MAIN_BYPASS], clks[IMX7D_PLL_ENET_MAIN]); + clk_set_parent(clks[IMX7D_PLL_AUDIO_MAIN_BYPASS], clks[IMX7D_PLL_AUDIO_MAIN]); + clk_set_parent(clks[IMX7D_PLL_VIDEO_MAIN_BYPASS], clks[IMX7D_PLL_VIDEO_MAIN]); + /* use old gpt clk setting, gpt1 root clk must be twice as gpt counter freq */ clk_set_parent(clks[IMX7D_GPT1_ROOT_SRC], clks[IMX7D_OSC_24M_CLK]); /* set uart module clock's parent clock source that must be great then 80MHz */ clk_set_parent(clks[IMX7D_UART1_ROOT_SRC], clks[IMX7D_OSC_24M_CLK]); + /* Set clock rate for USBPHY, the USB_PLL at CCM is from USBOTG2 */ + clks[IMX7D_USB1_MAIN_480M_CLK] = imx_clk_fixed_factor("pll_usb1_main_clk", "osc", 20, 1); + clks[IMX7D_USB_MAIN_480M_CLK] = imx_clk_fixed_factor("pll_usb_main_clk", "osc", 20, 1); + imx_register_uart_clocks(uart_clks); } diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c index 85b5cbe9744c..eeba3cb14e2d 100644 --- a/drivers/clk/imx/clk-pllv2.c +++ b/drivers/clk/imx/clk-pllv2.c @@ -182,8 +182,12 @@ static long clk_pllv2_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) { u32 dp_op, dp_mfd, dp_mfn; + int ret; + + ret = __clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn); + if (ret) + return ret; - __clk_pllv2_set_rate(rate, *prate, &dp_op, &dp_mfd, &dp_mfn); return __clk_pllv2_recalc_rate(*prate, MXC_PLL_DP_CTL_DPDCK0_2_EN, dp_op, dp_mfd, dp_mfn); } diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index d69c4bbf3597..8076ec040f37 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -123,6 +123,13 @@ static inline struct clk *imx_clk_gate(const char *name, const char *parent, shift, 0, &imx_ccm_lock); } +static inline struct clk *imx_clk_gate_flags(const char *name, const char *parent, + void __iomem *reg, u8 shift, unsigned long flags) +{ + return clk_register_gate(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg, + shift, 0, &imx_ccm_lock); +} + static inline struct clk *imx_clk_gate_dis(const char *name, const char *parent, void __iomem *reg, u8 shift) { @@ -137,6 +144,13 @@ static inline struct clk *imx_clk_gate2(const char *name, const char *parent, shift, 0x3, 0, &imx_ccm_lock, NULL); } +static inline struct clk *imx_clk_gate2_flags(const char *name, const char *parent, + void __iomem *reg, u8 shift, unsigned long flags) +{ + return clk_register_gate2(NULL, name, parent, flags | CLK_SET_RATE_PARENT, reg, + shift, 0x3, 0, &imx_ccm_lock, NULL); +} + static inline struct clk *imx_clk_gate2_shared(const char *name, const char *parent, void __iomem *reg, u8 shift, unsigned int *share_count) diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c index 9cdf9d5050ac..4cb70bed89a9 100644 --- a/drivers/clk/keystone/sci-clk.c +++ b/drivers/clk/keystone/sci-clk.c @@ -29,21 +29,10 @@ #define SCI_CLK_INPUT_TERMINATION BIT(2) /** - * struct sci_clk_data - TI SCI clock data - * @dev: device index - * @num_clks: number of clocks for this device - */ -struct sci_clk_data { - u16 dev; - u16 num_clks; -}; - -/** * struct sci_clk_provider - TI SCI clock provider representation * @sci: Handle to the System Control Interface protocol handler * @ops: Pointer to the SCI ops to be used by the clocks * @dev: Device pointer for the clock provider - * @clk_data: Clock data * @clocks: Clocks array for this device * @num_clocks: Total number of clocks for this provider */ @@ -51,8 +40,7 @@ struct sci_clk_provider { const struct ti_sci_handle *sci; const struct ti_sci_clk_ops *ops; struct device *dev; - const struct sci_clk_data *clk_data; - struct clk_hw **clocks; + struct sci_clk **clocks; int num_clocks; }; @@ -61,6 +49,7 @@ struct sci_clk_provider { * @hw: Hardware clock cookie for common clock framework * @dev_id: Device index * @clk_id: Clock index + * @num_parents: Number of parents for this clock * @provider: Master clock provider * @flags: Flags for the clock */ @@ -68,6 +57,7 @@ struct sci_clk { struct clk_hw hw; u16 dev_id; u8 clk_id; + u8 num_parents; struct sci_clk_provider *provider; u8 flags; }; @@ -273,38 +263,22 @@ static const struct clk_ops sci_clk_ops = { /** * _sci_clk_get - Gets a handle for an SCI clock * @provider: Handle to SCI clock provider - * @dev_id: device ID for the clock to register - * @clk_id: clock ID for the clock to register + * @sci_clk: Handle to the SCI clock to populate * * Gets a handle to an existing TI SCI hw clock, or builds a new clock * entry and registers it with the common clock framework. Called from * the common clock framework, when a corresponding of_clk_get call is * executed, or recursively from itself when parsing parent clocks. - * Returns a pointer to the hw clock struct, or ERR_PTR value in failure. + * Returns 0 on success, negative error code on failure. */ -static struct clk_hw *_sci_clk_build(struct sci_clk_provider *provider, - u16 dev_id, u8 clk_id) +static int _sci_clk_build(struct sci_clk_provider *provider, + struct sci_clk *sci_clk) { struct clk_init_data init = { NULL }; - struct sci_clk *sci_clk = NULL; char *name = NULL; char **parent_names = NULL; int i; - int ret; - - sci_clk = devm_kzalloc(provider->dev, sizeof(*sci_clk), GFP_KERNEL); - if (!sci_clk) - return ERR_PTR(-ENOMEM); - - sci_clk->dev_id = dev_id; - sci_clk->clk_id = clk_id; - sci_clk->provider = provider; - - ret = provider->ops->get_num_parents(provider->sci, dev_id, - clk_id, - &init.num_parents); - if (ret) - goto err; + int ret = 0; name = kasprintf(GFP_KERNEL, "%s:%d:%d", dev_name(provider->dev), sci_clk->dev_id, sci_clk->clk_id); @@ -317,11 +291,11 @@ static struct clk_hw *_sci_clk_build(struct sci_clk_provider *provider, * to have mux functionality. Otherwise it is going to act as a root * clock. */ - if (init.num_parents < 2) - init.num_parents = 0; + if (sci_clk->num_parents < 2) + sci_clk->num_parents = 0; - if (init.num_parents) { - parent_names = kcalloc(init.num_parents, sizeof(char *), + if (sci_clk->num_parents) { + parent_names = kcalloc(sci_clk->num_parents, sizeof(char *), GFP_KERNEL); if (!parent_names) { @@ -329,7 +303,7 @@ static struct clk_hw *_sci_clk_build(struct sci_clk_provider *provider, goto err; } - for (i = 0; i < init.num_parents; i++) { + for (i = 0; i < sci_clk->num_parents; i++) { char *parent_name; parent_name = kasprintf(GFP_KERNEL, "%s:%d:%d", @@ -346,6 +320,7 @@ static struct clk_hw *_sci_clk_build(struct sci_clk_provider *provider, } init.ops = &sci_clk_ops; + init.num_parents = sci_clk->num_parents; sci_clk->hw.init = &init; ret = devm_clk_hw_register(provider->dev, &sci_clk->hw); @@ -354,7 +329,7 @@ static struct clk_hw *_sci_clk_build(struct sci_clk_provider *provider, err: if (parent_names) { - for (i = 0; i < init.num_parents; i++) + for (i = 0; i < sci_clk->num_parents; i++) kfree(parent_names[i]); kfree(parent_names); @@ -362,10 +337,7 @@ err: kfree(name); - if (ret) - return ERR_PTR(ret); - - return &sci_clk->hw; + return ret; } static int _cmp_sci_clk(const void *a, const void *b) @@ -414,253 +386,20 @@ static struct clk_hw *sci_clk_get(struct of_phandle_args *clkspec, void *data) static int ti_sci_init_clocks(struct sci_clk_provider *p) { - const struct sci_clk_data *data = p->clk_data; - struct clk_hw *hw; int i; - int num_clks = 0; - - while (data->num_clks) { - num_clks += data->num_clks; - data++; - } - - p->num_clocks = num_clks; - - p->clocks = devm_kcalloc(p->dev, num_clks, sizeof(struct sci_clk), - GFP_KERNEL); - if (!p->clocks) - return -ENOMEM; - - num_clks = 0; - - data = p->clk_data; - - while (data->num_clks) { - for (i = 0; i < data->num_clks; i++) { - hw = _sci_clk_build(p, data->dev, i); - if (!IS_ERR(hw)) { - p->clocks[num_clks++] = hw; - continue; - } - - /* Skip any holes in the clock lists */ - if (PTR_ERR(hw) == -ENODEV) - continue; + int ret; - return PTR_ERR(hw); - } - data++; + for (i = 0; i < p->num_clocks; i++) { + ret = _sci_clk_build(p, p->clocks[i]); + if (ret) + return ret; } return 0; } -static const struct sci_clk_data k2g_clk_data[] = { - /* pmmc */ - { .dev = 0x0, .num_clks = 4 }, - - /* mlb0 */ - { .dev = 0x1, .num_clks = 5 }, - - /* dss0 */ - { .dev = 0x2, .num_clks = 2 }, - - /* mcbsp0 */ - { .dev = 0x3, .num_clks = 8 }, - - /* mcasp0 */ - { .dev = 0x4, .num_clks = 8 }, - - /* mcasp1 */ - { .dev = 0x5, .num_clks = 8 }, - - /* mcasp2 */ - { .dev = 0x6, .num_clks = 8 }, - - /* dcan0 */ - { .dev = 0x8, .num_clks = 2 }, - - /* dcan1 */ - { .dev = 0x9, .num_clks = 2 }, - - /* emif0 */ - { .dev = 0xa, .num_clks = 6 }, - - /* mmchs0 */ - { .dev = 0xb, .num_clks = 3 }, - - /* mmchs1 */ - { .dev = 0xc, .num_clks = 3 }, - - /* gpmc0 */ - { .dev = 0xd, .num_clks = 1 }, - - /* elm0 */ - { .dev = 0xe, .num_clks = 1 }, - - /* spi0 */ - { .dev = 0x10, .num_clks = 1 }, - - /* spi1 */ - { .dev = 0x11, .num_clks = 1 }, - - /* spi2 */ - { .dev = 0x12, .num_clks = 1 }, - - /* spi3 */ - { .dev = 0x13, .num_clks = 1 }, - - /* icss0 */ - { .dev = 0x14, .num_clks = 6 }, - - /* icss1 */ - { .dev = 0x15, .num_clks = 6 }, - - /* usb0 */ - { .dev = 0x16, .num_clks = 7 }, - - /* usb1 */ - { .dev = 0x17, .num_clks = 7 }, - - /* nss0 */ - { .dev = 0x18, .num_clks = 14 }, - - /* pcie0 */ - { .dev = 0x19, .num_clks = 1 }, - - /* gpio0 */ - { .dev = 0x1b, .num_clks = 1 }, - - /* gpio1 */ - { .dev = 0x1c, .num_clks = 1 }, - - /* timer64_0 */ - { .dev = 0x1d, .num_clks = 9 }, - - /* timer64_1 */ - { .dev = 0x1e, .num_clks = 9 }, - - /* timer64_2 */ - { .dev = 0x1f, .num_clks = 9 }, - - /* timer64_3 */ - { .dev = 0x20, .num_clks = 9 }, - - /* timer64_4 */ - { .dev = 0x21, .num_clks = 9 }, - - /* timer64_5 */ - { .dev = 0x22, .num_clks = 9 }, - - /* timer64_6 */ - { .dev = 0x23, .num_clks = 9 }, - - /* msgmgr0 */ - { .dev = 0x25, .num_clks = 1 }, - - /* bootcfg0 */ - { .dev = 0x26, .num_clks = 1 }, - - /* arm_bootrom0 */ - { .dev = 0x27, .num_clks = 1 }, - - /* dsp_bootrom0 */ - { .dev = 0x29, .num_clks = 1 }, - - /* debugss0 */ - { .dev = 0x2b, .num_clks = 8 }, - - /* uart0 */ - { .dev = 0x2c, .num_clks = 1 }, - - /* uart1 */ - { .dev = 0x2d, .num_clks = 1 }, - - /* uart2 */ - { .dev = 0x2e, .num_clks = 1 }, - - /* ehrpwm0 */ - { .dev = 0x2f, .num_clks = 1 }, - - /* ehrpwm1 */ - { .dev = 0x30, .num_clks = 1 }, - - /* ehrpwm2 */ - { .dev = 0x31, .num_clks = 1 }, - - /* ehrpwm3 */ - { .dev = 0x32, .num_clks = 1 }, - - /* ehrpwm4 */ - { .dev = 0x33, .num_clks = 1 }, - - /* ehrpwm5 */ - { .dev = 0x34, .num_clks = 1 }, - - /* eqep0 */ - { .dev = 0x35, .num_clks = 1 }, - - /* eqep1 */ - { .dev = 0x36, .num_clks = 1 }, - - /* eqep2 */ - { .dev = 0x37, .num_clks = 1 }, - - /* ecap0 */ - { .dev = 0x38, .num_clks = 1 }, - - /* ecap1 */ - { .dev = 0x39, .num_clks = 1 }, - - /* i2c0 */ - { .dev = 0x3a, .num_clks = 1 }, - - /* i2c1 */ - { .dev = 0x3b, .num_clks = 1 }, - - /* i2c2 */ - { .dev = 0x3c, .num_clks = 1 }, - - /* edma0 */ - { .dev = 0x3f, .num_clks = 2 }, - - /* semaphore0 */ - { .dev = 0x40, .num_clks = 1 }, - - /* intc0 */ - { .dev = 0x41, .num_clks = 1 }, - - /* gic0 */ - { .dev = 0x42, .num_clks = 1 }, - - /* qspi0 */ - { .dev = 0x43, .num_clks = 5 }, - - /* arm_64b_counter0 */ - { .dev = 0x44, .num_clks = 2 }, - - /* tetris0 */ - { .dev = 0x45, .num_clks = 2 }, - - /* cgem0 */ - { .dev = 0x46, .num_clks = 2 }, - - /* msmc0 */ - { .dev = 0x47, .num_clks = 1 }, - - /* cbass0 */ - { .dev = 0x49, .num_clks = 1 }, - - /* board0 */ - { .dev = 0x4c, .num_clks = 36 }, - - /* edma1 */ - { .dev = 0x4f, .num_clks = 2 }, - { .num_clks = 0 }, -}; - static const struct of_device_id ti_sci_clk_of_match[] = { - { .compatible = "ti,k2g-sci-clk", .data = &k2g_clk_data }, + { .compatible = "ti,k2g-sci-clk" }, { /* Sentinel */ }, }; MODULE_DEVICE_TABLE(of, ti_sci_clk_of_match); @@ -681,12 +420,16 @@ static int ti_sci_clk_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; struct sci_clk_provider *provider; const struct ti_sci_handle *handle; - const struct sci_clk_data *data; int ret; - - data = of_device_get_match_data(dev); - if (!data) - return -EINVAL; + int num_clks = 0; + struct sci_clk **clks = NULL; + struct sci_clk **tmp_clks; + struct sci_clk *sci_clk; + int max_clks = 0; + int clk_id = 0; + int dev_id = 0; + u8 num_parents; + int gap_size = 0; handle = devm_ti_sci_get_handle(dev); if (IS_ERR(handle)) @@ -696,12 +439,69 @@ static int ti_sci_clk_probe(struct platform_device *pdev) if (!provider) return -ENOMEM; - provider->clk_data = data; - provider->sci = handle; provider->ops = &handle->ops.clk_ops; provider->dev = dev; + while (1) { + ret = provider->ops->get_num_parents(provider->sci, dev_id, + clk_id, &num_parents); + if (ret) { + gap_size++; + if (!clk_id) { + if (gap_size >= 5) + break; + dev_id++; + } else { + if (gap_size >= 2) { + dev_id++; + clk_id = 0; + gap_size = 0; + } else { + clk_id++; + } + } + continue; + } + + gap_size = 0; + + if (num_clks == max_clks) { + tmp_clks = devm_kmalloc_array(dev, max_clks + 64, + sizeof(sci_clk), + GFP_KERNEL); + memcpy(tmp_clks, clks, max_clks * sizeof(sci_clk)); + if (max_clks) + devm_kfree(dev, clks); + max_clks += 64; + clks = tmp_clks; + } + + sci_clk = devm_kzalloc(dev, sizeof(*sci_clk), GFP_KERNEL); + if (!sci_clk) + return -ENOMEM; + sci_clk->dev_id = dev_id; + sci_clk->clk_id = clk_id; + sci_clk->provider = provider; + sci_clk->num_parents = num_parents; + + clks[num_clks] = sci_clk; + + clk_id++; + num_clks++; + } + + provider->clocks = devm_kmalloc_array(dev, num_clks, sizeof(sci_clk), + GFP_KERNEL); + if (!provider->clocks) + return -ENOMEM; + + memcpy(provider->clocks, clks, num_clks * sizeof(sci_clk)); + + provider->num_clocks = num_clks; + + devm_kfree(dev, clks); + ret = ti_sci_init_clocks(provider); if (ret) { pr_err("ti-sci-init-clocks failed.\n"); diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 1f9ea0f21df1..92afe5989e97 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -54,6 +54,12 @@ config COMMON_CLK_MT2701_BDPSYS ---help--- This driver supports MediaTek MT2701 bdpsys clocks. +config COMMON_CLK_MT2701_AUDSYS + bool "Clock driver for Mediatek MT2701 audsys" + depends on COMMON_CLK_MT2701 + ---help--- + This driver supports Mediatek MT2701 audsys clocks. + config COMMON_CLK_MT2712 bool "Clock driver for MediaTek MT2712" depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 5160fdc4bbb8..b80eff2abb31 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_COMMON_CLK_MT6797_MMSYS) += clk-mt6797-mm.o obj-$(CONFIG_COMMON_CLK_MT6797_VDECSYS) += clk-mt6797-vdec.o obj-$(CONFIG_COMMON_CLK_MT6797_VENCSYS) += clk-mt6797-venc.o obj-$(CONFIG_COMMON_CLK_MT2701) += clk-mt2701.o +obj-$(CONFIG_COMMON_CLK_MT2701_AUDSYS) += clk-mt2701-aud.o obj-$(CONFIG_COMMON_CLK_MT2701_BDPSYS) += clk-mt2701-bdp.o obj-$(CONFIG_COMMON_CLK_MT2701_ETHSYS) += clk-mt2701-eth.o obj-$(CONFIG_COMMON_CLK_MT2701_HIFSYS) += clk-mt2701-hif.o diff --git a/drivers/clk/mediatek/clk-mt2701-aud.c b/drivers/clk/mediatek/clk-mt2701-aud.c new file mode 100644 index 000000000000..e66896a44fad --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2701-aud.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Ryder Lee <ryder.lee@mediatek.com> + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt2701-clk.h> + +#define GATE_AUDIO0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &audio0_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr, \ + } + +#define GATE_AUDIO1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &audio1_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr, \ + } + +#define GATE_AUDIO2(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &audio2_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr, \ + } + +#define GATE_AUDIO3(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &audio3_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr, \ + } + +static const struct mtk_gate_regs audio0_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +static const struct mtk_gate_regs audio1_cg_regs = { + .set_ofs = 0x10, + .clr_ofs = 0x10, + .sta_ofs = 0x10, +}; + +static const struct mtk_gate_regs audio2_cg_regs = { + .set_ofs = 0x14, + .clr_ofs = 0x14, + .sta_ofs = 0x14, +}; + +static const struct mtk_gate_regs audio3_cg_regs = { + .set_ofs = 0x634, + .clr_ofs = 0x634, + .sta_ofs = 0x634, +}; + +static const struct mtk_gate audio_clks[] = { + /* AUDIO0 */ + GATE_AUDIO0(CLK_AUD_AFE, "audio_afe", "aud_intbus_sel", 2), + GATE_AUDIO0(CLK_AUD_HDMI, "audio_hdmi", "audpll_sel", 20), + GATE_AUDIO0(CLK_AUD_SPDF, "audio_spdf", "audpll_sel", 21), + GATE_AUDIO0(CLK_AUD_SPDF2, "audio_spdf2", "audpll_sel", 22), + GATE_AUDIO0(CLK_AUD_APLL, "audio_apll", "audpll_sel", 23), + /* AUDIO1 */ + GATE_AUDIO1(CLK_AUD_I2SIN1, "audio_i2sin1", "aud_mux1_sel", 0), + GATE_AUDIO1(CLK_AUD_I2SIN2, "audio_i2sin2", "aud_mux1_sel", 1), + GATE_AUDIO1(CLK_AUD_I2SIN3, "audio_i2sin3", "aud_mux1_sel", 2), + GATE_AUDIO1(CLK_AUD_I2SIN4, "audio_i2sin4", "aud_mux1_sel", 3), + GATE_AUDIO1(CLK_AUD_I2SIN5, "audio_i2sin5", "aud_mux1_sel", 4), + GATE_AUDIO1(CLK_AUD_I2SIN6, "audio_i2sin6", "aud_mux1_sel", 5), + GATE_AUDIO1(CLK_AUD_I2SO1, "audio_i2so1", "aud_mux1_sel", 6), + GATE_AUDIO1(CLK_AUD_I2SO2, "audio_i2so2", "aud_mux1_sel", 7), + GATE_AUDIO1(CLK_AUD_I2SO3, "audio_i2so3", "aud_mux1_sel", 8), + GATE_AUDIO1(CLK_AUD_I2SO4, "audio_i2so4", "aud_mux1_sel", 9), + GATE_AUDIO1(CLK_AUD_I2SO5, "audio_i2so5", "aud_mux1_sel", 10), + GATE_AUDIO1(CLK_AUD_I2SO6, "audio_i2so6", "aud_mux1_sel", 11), + GATE_AUDIO1(CLK_AUD_ASRCI1, "audio_asrci1", "asm_h_sel", 12), + GATE_AUDIO1(CLK_AUD_ASRCI2, "audio_asrci2", "asm_h_sel", 13), + GATE_AUDIO1(CLK_AUD_ASRCO1, "audio_asrco1", "asm_h_sel", 14), + GATE_AUDIO1(CLK_AUD_ASRCO2, "audio_asrco2", "asm_h_sel", 15), + GATE_AUDIO1(CLK_AUD_INTDIR, "audio_intdir", "intdir_sel", 20), + GATE_AUDIO1(CLK_AUD_A1SYS, "audio_a1sys", "aud_mux1_sel", 21), + GATE_AUDIO1(CLK_AUD_A2SYS, "audio_a2sys", "aud_mux2_sel", 22), + GATE_AUDIO1(CLK_AUD_AFE_CONN, "audio_afe_conn", "aud_mux1_sel", 23), + GATE_AUDIO1(CLK_AUD_AFE_MRGIF, "audio_afe_mrgif", "aud_mux1_sel", 25), + /* AUDIO2 */ + GATE_AUDIO2(CLK_AUD_MMIF_UL1, "audio_ul1", "aud_mux1_sel", 0), + GATE_AUDIO2(CLK_AUD_MMIF_UL2, "audio_ul2", "aud_mux1_sel", 1), + GATE_AUDIO2(CLK_AUD_MMIF_UL3, "audio_ul3", "aud_mux1_sel", 2), + GATE_AUDIO2(CLK_AUD_MMIF_UL4, "audio_ul4", "aud_mux1_sel", 3), + GATE_AUDIO2(CLK_AUD_MMIF_UL5, "audio_ul5", "aud_mux1_sel", 4), + GATE_AUDIO2(CLK_AUD_MMIF_UL6, "audio_ul6", "aud_mux1_sel", 5), + GATE_AUDIO2(CLK_AUD_MMIF_DL1, "audio_dl1", "aud_mux1_sel", 6), + GATE_AUDIO2(CLK_AUD_MMIF_DL2, "audio_dl2", "aud_mux1_sel", 7), + GATE_AUDIO2(CLK_AUD_MMIF_DL3, "audio_dl3", "aud_mux1_sel", 8), + GATE_AUDIO2(CLK_AUD_MMIF_DL4, "audio_dl4", "aud_mux1_sel", 9), + GATE_AUDIO2(CLK_AUD_MMIF_DL5, "audio_dl5", "aud_mux1_sel", 10), + GATE_AUDIO2(CLK_AUD_MMIF_DL6, "audio_dl6", "aud_mux1_sel", 11), + GATE_AUDIO2(CLK_AUD_MMIF_DLMCH, "audio_dlmch", "aud_mux1_sel", 12), + GATE_AUDIO2(CLK_AUD_MMIF_ARB1, "audio_arb1", "aud_mux1_sel", 13), + GATE_AUDIO2(CLK_AUD_MMIF_AWB1, "audio_awb", "aud_mux1_sel", 14), + GATE_AUDIO2(CLK_AUD_MMIF_AWB2, "audio_awb2", "aud_mux1_sel", 15), + GATE_AUDIO2(CLK_AUD_MMIF_DAI, "audio_dai", "aud_mux1_sel", 16), + /* AUDIO3 */ + GATE_AUDIO3(CLK_AUD_ASRCI3, "audio_asrci3", "asm_h_sel", 2), + GATE_AUDIO3(CLK_AUD_ASRCI4, "audio_asrci4", "asm_h_sel", 3), + GATE_AUDIO3(CLK_AUD_ASRCI5, "audio_asrci5", "asm_h_sel", 4), + GATE_AUDIO3(CLK_AUD_ASRCI6, "audio_asrci6", "asm_h_sel", 5), + GATE_AUDIO3(CLK_AUD_ASRCO3, "audio_asrco3", "asm_h_sel", 6), + GATE_AUDIO3(CLK_AUD_ASRCO4, "audio_asrco4", "asm_h_sel", 7), + GATE_AUDIO3(CLK_AUD_ASRCO5, "audio_asrco5", "asm_h_sel", 8), + GATE_AUDIO3(CLK_AUD_ASRCO6, "audio_asrco6", "asm_h_sel", 9), + GATE_AUDIO3(CLK_AUD_MEM_ASRC1, "audio_mem_asrc1", "asm_h_sel", 10), + GATE_AUDIO3(CLK_AUD_MEM_ASRC2, "audio_mem_asrc2", "asm_h_sel", 11), + GATE_AUDIO3(CLK_AUD_MEM_ASRC3, "audio_mem_asrc3", "asm_h_sel", 12), + GATE_AUDIO3(CLK_AUD_MEM_ASRC4, "audio_mem_asrc4", "asm_h_sel", 13), + GATE_AUDIO3(CLK_AUD_MEM_ASRC5, "audio_mem_asrc5", "asm_h_sel", 14), +}; + +static const struct of_device_id of_match_clk_mt2701_aud[] = { + { .compatible = "mediatek,mt2701-audsys", }, + {} +}; + +static int clk_mt2701_aud_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_AUD_NR); + + mtk_clk_register_gates(node, audio_clks, ARRAY_SIZE(audio_clks), + clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) { + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + goto err_clk_provider; + } + + r = devm_of_platform_populate(&pdev->dev); + if (r) + goto err_plat_populate; + + return 0; + +err_plat_populate: + of_clk_del_provider(node); +err_clk_provider: + return r; +} + +static struct platform_driver clk_mt2701_aud_drv = { + .probe = clk_mt2701_aud_probe, + .driver = { + .name = "clk-mt2701-aud", + .of_match_table = of_match_clk_mt2701_aud, + }, +}; + +builtin_platform_driver(clk_mt2701_aud_drv); diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c index 8e7f16fd87c9..deca7527f92f 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -148,6 +148,7 @@ static const struct mtk_fixed_factor top_fixed_divs[] = { FACTOR(CLK_TOP_CLK26M_D8, "clk26m_d8", "clk26m", 1, 8), FACTOR(CLK_TOP_32K_INTERNAL, "32k_internal", "clk26m", 1, 793), FACTOR(CLK_TOP_32K_EXTERNAL, "32k_external", "rtc32k", 1, 1), + FACTOR(CLK_TOP_AXISEL_D4, "axisel_d4", "axi_sel", 1, 4), }; static const char * const axi_parents[] = { @@ -857,13 +858,13 @@ static const struct mtk_gate peri_clks[] = { GATE_PERI0(CLK_PERI_USB1, "usb1_ck", "usb20_sel", 11), GATE_PERI0(CLK_PERI_USB0, "usb0_ck", "usb20_sel", 10), GATE_PERI0(CLK_PERI_PWM, "pwm_ck", "axi_sel", 9), - GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axi_sel", 8), - GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axi_sel", 7), - GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axi_sel", 6), - GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axi_sel", 5), - GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axi_sel", 4), - GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axi_sel", 3), - GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axi_sel", 2), + GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axisel_d4", 8), + GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axisel_d4", 7), + GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axisel_d4", 6), + GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axisel_d4", 5), + GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axisel_d4", 4), + GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axisel_d4", 3), + GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axisel_d4", 2), GATE_PERI0(CLK_PERI_THERM, "therm_ck", "axi_sel", 1), GATE_PERI0(CLK_PERI_NFI, "nfi_ck", "nfi2x_sel", 0), diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c index 498d13799388..991d4093726e 100644 --- a/drivers/clk/mediatek/clk-mt2712.c +++ b/drivers/clk/mediatek/clk-mt2712.c @@ -221,6 +221,8 @@ static const struct mtk_fixed_factor top_divs[] = { 4), FACTOR(CLK_TOP_D2A_ULCLK_6P5M, "d2a_ulclk_6p5m", "clk26m", 1, 4), + FACTOR(CLK_TOP_APLL1_D3, "apll1_d3", "apll1_ck", 1, + 3), }; static const char * const axi_parents[] = { @@ -625,7 +627,7 @@ static const char * const ether_125m_parents[] = { static const char * const ether_50m_parents[] = { "clk26m", "etherpll_50m", - "univpll_d26", + "apll1_d3", "univpll3_d4" }; @@ -686,7 +688,7 @@ static const char * const i2c_parents[] = { static const char * const msdc0p_aes_parents[] = { "clk26m", - "msdcpll_ck", + "syspll_d2", "univpll_d3", "vcodecpll_ck" }; @@ -719,6 +721,17 @@ static const char * const aud_apll2_parents[] = { "clkaud_ext_i_2" }; +static const char * const apll1_ref_parents[] = { + "clkaud_ext_i_2", + "clkaud_ext_i_1", + "clki2si0_mck_i", + "clki2si1_mck_i", + "clki2si2_mck_i", + "clktdmin_mclk_i", + "clki2si2_mck_i", + "clktdmin_mclk_i" +}; + static const char * const audull_vtx_parents[] = { "d2a_ulclk_6p5m", "clkaud_ext_i_0" @@ -886,6 +899,10 @@ static struct mtk_composite top_muxes[] = { aud_apll2_parents, 0x134, 1, 1), MUX(CLK_TOP_DA_AUDULL_VTX_6P5M_SEL, "audull_vtx_sel", audull_vtx_parents, 0x134, 31, 1), + MUX(CLK_TOP_APLL1_REF_SEL, "apll1_ref_sel", + apll1_ref_parents, 0x134, 4, 3), + MUX(CLK_TOP_APLL2_REF_SEL, "apll2_ref_sel", + apll1_ref_parents, 0x134, 7, 3), }; static const char * const mcu_mp0_parents[] = { @@ -932,36 +949,56 @@ static const struct mtk_clk_divider top_adj_divs[] = { DIV_ADJ(CLK_TOP_APLL_DIV7, "apll_div7", "i2si3_sel", 0x128, 24, 8), }; -static const struct mtk_gate_regs top_cg_regs = { +static const struct mtk_gate_regs top0_cg_regs = { .set_ofs = 0x120, .clr_ofs = 0x120, .sta_ofs = 0x120, }; -#define GATE_TOP(_id, _name, _parent, _shift) { \ +static const struct mtk_gate_regs top1_cg_regs = { + .set_ofs = 0x424, + .clr_ofs = 0x424, + .sta_ofs = 0x424, +}; + +#define GATE_TOP0(_id, _name, _parent, _shift) { \ .id = _id, \ .name = _name, \ .parent_name = _parent, \ - .regs = &top_cg_regs, \ + .regs = &top0_cg_regs, \ .shift = _shift, \ .ops = &mtk_clk_gate_ops_no_setclr, \ } +#define GATE_TOP1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &top1_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr_inv, \ + } + static const struct mtk_gate top_clks[] = { - GATE_TOP(CLK_TOP_APLL_DIV_PDN0, "apll_div_pdn0", "i2so1_sel", 0), - GATE_TOP(CLK_TOP_APLL_DIV_PDN1, "apll_div_pdn1", "i2so2_sel", 1), - GATE_TOP(CLK_TOP_APLL_DIV_PDN2, "apll_div_pdn2", "i2so3_sel", 2), - GATE_TOP(CLK_TOP_APLL_DIV_PDN3, "apll_div_pdn3", "tdmo0_sel", 3), - GATE_TOP(CLK_TOP_APLL_DIV_PDN4, "apll_div_pdn4", "tdmo1_sel", 4), - GATE_TOP(CLK_TOP_APLL_DIV_PDN5, "apll_div_pdn5", "i2si1_sel", 5), - GATE_TOP(CLK_TOP_APLL_DIV_PDN6, "apll_div_pdn6", "i2si2_sel", 6), - GATE_TOP(CLK_TOP_APLL_DIV_PDN7, "apll_div_pdn7", "i2si3_sel", 7), + /* TOP0 */ + GATE_TOP0(CLK_TOP_APLL_DIV_PDN0, "apll_div_pdn0", "i2so1_sel", 0), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN1, "apll_div_pdn1", "i2so2_sel", 1), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN2, "apll_div_pdn2", "i2so3_sel", 2), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN3, "apll_div_pdn3", "tdmo0_sel", 3), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN4, "apll_div_pdn4", "tdmo1_sel", 4), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN5, "apll_div_pdn5", "i2si1_sel", 5), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN6, "apll_div_pdn6", "i2si2_sel", 6), + GATE_TOP0(CLK_TOP_APLL_DIV_PDN7, "apll_div_pdn7", "i2si3_sel", 7), + /* TOP1 */ + GATE_TOP1(CLK_TOP_NFI2X_EN, "nfi2x_en", "nfi2x_sel", 0), + GATE_TOP1(CLK_TOP_NFIECC_EN, "nfiecc_en", "nfiecc_sel", 1), + GATE_TOP1(CLK_TOP_NFI1X_CK_EN, "nfi1x_ck_en", "nfi2x_sel", 2), }; static const struct mtk_gate_regs infra_cg_regs = { .set_ofs = 0x40, .clr_ofs = 0x44, - .sta_ofs = 0x40, + .sta_ofs = 0x48, }; #define GATE_INFRA(_id, _name, _parent, _shift) { \ @@ -1120,6 +1157,10 @@ static const struct mtk_gate peri_clks[] = { "msdc50_0_h_sel", 4), GATE_PERI2(CLK_PERI_MSDC50_3_HCLK_EN, "per_msdc50_3_h", "msdc50_3_h_sel", 5), + GATE_PERI2(CLK_PERI_MSDC30_0_QTR_EN, "per_msdc30_0_q", + "axi_sel", 6), + GATE_PERI2(CLK_PERI_MSDC30_3_QTR_EN, "per_msdc30_3_q", + "mem_sel", 7), }; #define MT2712_PLL_FMAX (3000UL * MHZ) diff --git a/drivers/clk/mediatek/clk-mt7622-aud.c b/drivers/clk/mediatek/clk-mt7622-aud.c index fad7d9fc53ba..4f3d47b41b3e 100644 --- a/drivers/clk/mediatek/clk-mt7622-aud.c +++ b/drivers/clk/mediatek/clk-mt7622-aud.c @@ -106,6 +106,7 @@ static const struct mtk_gate audio_clks[] = { GATE_AUDIO1(CLK_AUDIO_INTDIR, "audio_intdir", "intdir_sel", 20), GATE_AUDIO1(CLK_AUDIO_A1SYS, "audio_a1sys", "a1sys_hp_sel", 21), GATE_AUDIO1(CLK_AUDIO_A2SYS, "audio_a2sys", "a2sys_hp_sel", 22), + GATE_AUDIO1(CLK_AUDIO_AFE_CONN, "audio_afe_conn", "a1sys_hp_sel", 23), /* AUDIO2 */ GATE_AUDIO2(CLK_AUDIO_UL1, "audio_ul1", "a1sys_hp_sel", 0), GATE_AUDIO2(CLK_AUDIO_UL2, "audio_ul2", "a1sys_hp_sel", 1), @@ -149,11 +150,23 @@ static int clk_mt7622_audiosys_init(struct platform_device *pdev) clk_data); r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); - if (r) + if (r) { dev_err(&pdev->dev, "could not register clock provider: %s: %d\n", pdev->name, r); + goto err_clk_provider; + } + + r = devm_of_platform_populate(&pdev->dev); + if (r) + goto err_plat_populate; + + return 0; + +err_plat_populate: + of_clk_del_provider(node); +err_clk_provider: return r; } diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 7694302c70a4..d5cbec522aec 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -3,10 +3,15 @@ config COMMON_CLK_AMLOGIC depends on OF depends on ARCH_MESON || COMPILE_TEST +config COMMON_CLK_REGMAP_MESON + bool + select REGMAP + config COMMON_CLK_MESON8B bool depends on COMMON_CLK_AMLOGIC select RESET_CONTROLLER + select COMMON_CLK_REGMAP_MESON help Support for the clock controller on AmLogic S802 (Meson8), S805 (Meson8b) and S812 (Meson8m2) devices. Say Y if you @@ -16,6 +21,8 @@ config COMMON_CLK_GXBB bool depends on COMMON_CLK_AMLOGIC select RESET_CONTROLLER + select COMMON_CLK_REGMAP_MESON + select MFD_SYSCON help Support for the clock controller on AmLogic S905 devices, aka gxbb. Say Y if you want peripherals and CPU frequency scaling to work. @@ -24,6 +31,8 @@ config COMMON_CLK_AXG bool depends on COMMON_CLK_AMLOGIC select RESET_CONTROLLER + select COMMON_CLK_REGMAP_MESON + select MFD_SYSCON help Support for the clock controller on AmLogic A113D devices, aka axg. Say Y if you want peripherals and CPU frequency scaling to work. diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile index 3c03ce583798..ffee82e60b7a 100644 --- a/drivers/clk/meson/Makefile +++ b/drivers/clk/meson/Makefile @@ -2,7 +2,8 @@ # Makefile for Meson specific clk # -obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-cpu.o clk-mpll.o clk-audio-divider.o +obj-$(CONFIG_COMMON_CLK_AMLOGIC) += clk-pll.o clk-mpll.o clk-audio-divider.o obj-$(CONFIG_COMMON_CLK_MESON8B) += meson8b.o -obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o gxbb-aoclk-regmap.o gxbb-aoclk-32k.o +obj-$(CONFIG_COMMON_CLK_GXBB) += gxbb.o gxbb-aoclk.o gxbb-aoclk-32k.o obj-$(CONFIG_COMMON_CLK_AXG) += axg.o +obj-$(CONFIG_COMMON_CLK_REGMAP_MESON) += clk-regmap.o diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c index 1294f3ad7cd5..5f5d468c1efe 100644 --- a/drivers/clk/meson/axg.c +++ b/drivers/clk/meson/axg.c @@ -11,125 +11,51 @@ #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/init.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/mfd/syscon.h> #include <linux/platform_device.h> -#include <linux/init.h> +#include <linux/regmap.h> #include "clkc.h" #include "axg.h" static DEFINE_SPINLOCK(meson_clk_lock); -static const struct pll_rate_table sys_pll_rate_table[] = { - PLL_RATE(24000000, 56, 1, 2), - PLL_RATE(48000000, 64, 1, 2), - PLL_RATE(72000000, 72, 1, 2), - PLL_RATE(96000000, 64, 1, 2), - PLL_RATE(120000000, 80, 1, 2), - PLL_RATE(144000000, 96, 1, 2), - PLL_RATE(168000000, 56, 1, 1), - PLL_RATE(192000000, 64, 1, 1), - PLL_RATE(216000000, 72, 1, 1), - PLL_RATE(240000000, 80, 1, 1), - PLL_RATE(264000000, 88, 1, 1), - PLL_RATE(288000000, 96, 1, 1), - PLL_RATE(312000000, 52, 1, 2), - PLL_RATE(336000000, 56, 1, 2), - PLL_RATE(360000000, 60, 1, 2), - PLL_RATE(384000000, 64, 1, 2), - PLL_RATE(408000000, 68, 1, 2), - PLL_RATE(432000000, 72, 1, 2), - PLL_RATE(456000000, 76, 1, 2), - PLL_RATE(480000000, 80, 1, 2), - PLL_RATE(504000000, 84, 1, 2), - PLL_RATE(528000000, 88, 1, 2), - PLL_RATE(552000000, 92, 1, 2), - PLL_RATE(576000000, 96, 1, 2), - PLL_RATE(600000000, 50, 1, 1), - PLL_RATE(624000000, 52, 1, 1), - PLL_RATE(648000000, 54, 1, 1), - PLL_RATE(672000000, 56, 1, 1), - PLL_RATE(696000000, 58, 1, 1), - PLL_RATE(720000000, 60, 1, 1), - PLL_RATE(744000000, 62, 1, 1), - PLL_RATE(768000000, 64, 1, 1), - PLL_RATE(792000000, 66, 1, 1), - PLL_RATE(816000000, 68, 1, 1), - PLL_RATE(840000000, 70, 1, 1), - PLL_RATE(864000000, 72, 1, 1), - PLL_RATE(888000000, 74, 1, 1), - PLL_RATE(912000000, 76, 1, 1), - PLL_RATE(936000000, 78, 1, 1), - PLL_RATE(960000000, 80, 1, 1), - PLL_RATE(984000000, 82, 1, 1), - PLL_RATE(1008000000, 84, 1, 1), - PLL_RATE(1032000000, 86, 1, 1), - PLL_RATE(1056000000, 88, 1, 1), - PLL_RATE(1080000000, 90, 1, 1), - PLL_RATE(1104000000, 92, 1, 1), - PLL_RATE(1128000000, 94, 1, 1), - PLL_RATE(1152000000, 96, 1, 1), - PLL_RATE(1176000000, 98, 1, 1), - PLL_RATE(1200000000, 50, 1, 0), - PLL_RATE(1224000000, 51, 1, 0), - PLL_RATE(1248000000, 52, 1, 0), - PLL_RATE(1272000000, 53, 1, 0), - PLL_RATE(1296000000, 54, 1, 0), - PLL_RATE(1320000000, 55, 1, 0), - PLL_RATE(1344000000, 56, 1, 0), - PLL_RATE(1368000000, 57, 1, 0), - PLL_RATE(1392000000, 58, 1, 0), - PLL_RATE(1416000000, 59, 1, 0), - PLL_RATE(1440000000, 60, 1, 0), - PLL_RATE(1464000000, 61, 1, 0), - PLL_RATE(1488000000, 62, 1, 0), - PLL_RATE(1512000000, 63, 1, 0), - PLL_RATE(1536000000, 64, 1, 0), - PLL_RATE(1560000000, 65, 1, 0), - PLL_RATE(1584000000, 66, 1, 0), - PLL_RATE(1608000000, 67, 1, 0), - PLL_RATE(1632000000, 68, 1, 0), - PLL_RATE(1656000000, 68, 1, 0), - PLL_RATE(1680000000, 68, 1, 0), - PLL_RATE(1704000000, 68, 1, 0), - PLL_RATE(1728000000, 69, 1, 0), - PLL_RATE(1752000000, 69, 1, 0), - PLL_RATE(1776000000, 69, 1, 0), - PLL_RATE(1800000000, 69, 1, 0), - PLL_RATE(1824000000, 70, 1, 0), - PLL_RATE(1848000000, 70, 1, 0), - PLL_RATE(1872000000, 70, 1, 0), - PLL_RATE(1896000000, 70, 1, 0), - PLL_RATE(1920000000, 71, 1, 0), - PLL_RATE(1944000000, 71, 1, 0), - PLL_RATE(1968000000, 71, 1, 0), - PLL_RATE(1992000000, 71, 1, 0), - PLL_RATE(2016000000, 72, 1, 0), - PLL_RATE(2040000000, 72, 1, 0), - PLL_RATE(2064000000, 72, 1, 0), - PLL_RATE(2088000000, 72, 1, 0), - PLL_RATE(2112000000, 73, 1, 0), - { /* sentinel */ }, -}; - -static struct meson_clk_pll axg_fixed_pll = { - .m = { - .reg_off = HHI_MPLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_MPLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_MPLL_CNTL, - .shift = 16, - .width = 2, +static struct clk_regmap axg_fixed_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_MPLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_MPLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_MPLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_MPLL_CNTL2, + .shift = 0, + .width = 12, + }, + .l = { + .reg_off = HHI_MPLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_MPLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -138,25 +64,34 @@ static struct meson_clk_pll axg_fixed_pll = { }, }; -static struct meson_clk_pll axg_sys_pll = { - .m = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 0, - .width = 9, +static struct clk_regmap axg_sys_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .l = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .n = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 10, - .width = 2, - }, - .rate_table = sys_pll_rate_table, - .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, @@ -257,40 +192,51 @@ static const struct pll_rate_table axg_gp0_pll_rate_table[] = { { /* sentinel */ }, }; -static struct pll_params_table axg_gp0_params_table[] = { - PLL_PARAM(HHI_GP0_PLL_CNTL, 0x40010250), - PLL_PARAM(HHI_GP0_PLL_CNTL1, 0xc084a000), - PLL_PARAM(HHI_GP0_PLL_CNTL2, 0xb75020be), - PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a59a288), - PLL_PARAM(HHI_GP0_PLL_CNTL4, 0xc000004d), - PLL_PARAM(HHI_GP0_PLL_CNTL5, 0x00078000), -}; - -static struct meson_clk_pll axg_gp0_pll = { - .m = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 16, - .width = 2, - }, - .params = { - .params_table = axg_gp0_params_table, - .params_count = ARRAY_SIZE(axg_gp0_params_table), - .no_init_reset = true, - .reset_lock_loop = true, - }, - .rate_table = axg_gp0_pll_rate_table, - .rate_count = ARRAY_SIZE(axg_gp0_pll_rate_table), - .lock = &meson_clk_lock, +static const struct reg_sequence axg_gp0_init_regs[] = { + { .reg = HHI_GP0_PLL_CNTL1, .def = 0xc084b000 }, + { .reg = HHI_GP0_PLL_CNTL2, .def = 0xb75020be }, + { .reg = HHI_GP0_PLL_CNTL3, .def = 0x0a59a288 }, + { .reg = HHI_GP0_PLL_CNTL4, .def = 0xc000004d }, + { .reg = HHI_GP0_PLL_CNTL5, .def = 0x00078000 }, + { .reg = HHI_GP0_PLL_CNTL, .def = 0x40010250 }, +}; + +static struct clk_regmap axg_gp0_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_GP0_PLL_CNTL1, + .shift = 0, + .width = 10, + }, + .l = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 29, + .width = 1, + }, + .table = axg_gp0_pll_rate_table, + .init_regs = axg_gp0_init_regs, + .init_count = ARRAY_SIZE(axg_gp0_init_regs), + }, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, @@ -299,234 +245,427 @@ static struct meson_clk_pll axg_gp0_pll = { }, }; +static const struct reg_sequence axg_hifi_init_regs[] = { + { .reg = HHI_HIFI_PLL_CNTL1, .def = 0xc084b000 }, + { .reg = HHI_HIFI_PLL_CNTL2, .def = 0xb75020be }, + { .reg = HHI_HIFI_PLL_CNTL3, .def = 0x0a6a3a88 }, + { .reg = HHI_HIFI_PLL_CNTL4, .def = 0xc000004d }, + { .reg = HHI_HIFI_PLL_CNTL5, .def = 0x00058000 }, + { .reg = HHI_HIFI_PLL_CNTL, .def = 0x40010250 }, +}; + +static struct clk_regmap axg_hifi_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_HIFI_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_HIFI_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_HIFI_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_HIFI_PLL_CNTL5, + .shift = 0, + .width = 13, + }, + .l = { + .reg_off = HHI_HIFI_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_HIFI_PLL_CNTL, + .shift = 29, + .width = 1, + }, + .table = axg_gp0_pll_rate_table, + .init_regs = axg_hifi_init_regs, + .init_count = ARRAY_SIZE(axg_hifi_init_regs), + .flags = CLK_MESON_PLL_ROUND_CLOSEST, + }, + .hw.init = &(struct clk_init_data){ + .name = "hifi_pll", + .ops = &meson_clk_pll_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, + }, +}; -static struct clk_fixed_factor axg_fclk_div2 = { +static struct clk_fixed_factor axg_fclk_div2_div = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ - .name = "fclk_div2", + .name = "fclk_div2_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div3 = { +static struct clk_regmap axg_fclk_div2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 27, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div2_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div3_div = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ - .name = "fclk_div3", + .name = "fclk_div3_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div4 = { +static struct clk_regmap axg_fclk_div3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 28, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div3", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div3_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div4_div = { .mult = 1, .div = 4, .hw.init = &(struct clk_init_data){ - .name = "fclk_div4", + .name = "fclk_div4_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div5 = { +static struct clk_regmap axg_fclk_div4 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 29, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div4", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div4_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div5_div = { .mult = 1, .div = 5, .hw.init = &(struct clk_init_data){ - .name = "fclk_div5", + .name = "fclk_div5_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor axg_fclk_div7 = { +static struct clk_regmap axg_fclk_div5 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 30, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div5", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div5_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor axg_fclk_div7_div = { .mult = 1, .div = 7, .hw.init = &(struct clk_init_data){ - .name = "fclk_div7", + .name = "fclk_div7_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll0 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 0, - .width = 14, +static struct clk_regmap axg_fclk_div7 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 31, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 15, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div7", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div7_div" }, + .num_parents = 1, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 16, - .width = 9, +}; + +static struct clk_regmap axg_mpll_prediv = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPLL_CNTL5, + .shift = 12, + .width = 1, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "mpll_prediv", + .ops = &clk_regmap_divider_ro_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, }, - .ssen = { - .reg_off = HHI_MPLL_CNTL, - .shift = 25, - .width = 1, +}; + +static struct clk_regmap axg_mpll0_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 16, + .width = 9, + }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 0, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll1 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 0, - .width = 14, +static struct clk_regmap axg_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 15, - .width = 1, - }, - .n2 = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap axg_mpll1_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 16, + .width = 9, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 1, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll2 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 0, - .width = 14, +static struct clk_regmap axg_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 15, - .width = 1, - }, - .n2 = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap axg_mpll2_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 16, + .width = 9, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 2, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll axg_mpll3 = { - .sdm = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 12, - .width = 14, +static struct clk_regmap axg_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 11, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap axg_mpll3_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 12, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 11, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL3_CNTL0, + .shift = 2, + .width = 9, + }, + .misc = { + .reg_off = HHI_PLL_TOP_MISC, + .shift = 3, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .n2 = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 2, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll3_div", + .ops = &meson_clk_mpll_ops, + .parent_names = (const char *[]){ "mpll_prediv" }, + .num_parents = 1, }, - .en = { - .reg_off = HHI_MPLL3_CNTL0, - .shift = 0, - .width = 1, +}; + +static struct clk_regmap axg_mpll3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL3_CNTL0, + .bit_idx = 0, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll3", - .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll3_div" }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, }; -/* - * FIXME The legacy composite clocks (e.g. clk81) are both PLL post-dividers - * and should be modeled with their respective PLLs via the forthcoming - * coordinated clock rates feature - */ static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; static const char * const clk81_parent_names[] = { "xtal", "fclk_div7", "mpll1", "mpll2", "fclk_div4", "fclk_div3", "fclk_div5" }; -static struct clk_mux axg_mpeg_clk_sel = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .mask = 0x7, - .shift = 12, - .flags = CLK_MUX_READ_ONLY, - .table = mux_table_clk81, - .lock = &meson_clk_lock, +static struct clk_regmap axg_mpeg_clk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MPEG_CLK_CNTL, + .mask = 0x7, + .shift = 12, + .table = mux_table_clk81, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", - .ops = &clk_mux_ro_ops, + .ops = &clk_regmap_mux_ro_ops, .parent_names = clk81_parent_names, .num_parents = ARRAY_SIZE(clk81_parent_names), }, }; -static struct clk_divider axg_mpeg_clk_div = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap axg_mpeg_clk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPEG_CLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate axg_clk81 = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +static struct clk_regmap axg_clk81 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPEG_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "clk81", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), @@ -545,42 +684,45 @@ static const char * const axg_sd_emmc_clk0_parent_names[] = { }; /* SDcard clock */ -static struct clk_mux axg_sd_emmc_b_clk0_sel = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .mask = 0x7, - .shift = 25, - .lock = &meson_clk_lock, +static struct clk_regmap axg_sd_emmc_b_clk0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .mask = 0x7, + .shift = 25, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = axg_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider axg_sd_emmc_b_clk0_div = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap axg_sd_emmc_b_clk0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .shift = 16, + .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate axg_sd_emmc_b_clk0 = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .bit_idx = 23, - .lock = &meson_clk_lock, +static struct clk_regmap axg_sd_emmc_b_clk0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .bit_idx = 23, + }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_b_clk0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -588,42 +730,45 @@ static struct clk_gate axg_sd_emmc_b_clk0 = { }; /* EMMC/NAND clock */ -static struct clk_mux axg_sd_emmc_c_clk0_sel = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .mask = 0x7, - .shift = 9, - .lock = &meson_clk_lock, +static struct clk_regmap axg_sd_emmc_c_clk0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_NAND_CLK_CNTL, + .mask = 0x7, + .shift = 9, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = axg_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(axg_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider axg_sd_emmc_c_clk0_div = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap axg_sd_emmc_c_clk0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_NAND_CLK_CNTL, + .shift = 0, + .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate axg_sd_emmc_c_clk0 = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +static struct clk_regmap axg_sd_emmc_c_clk0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_NAND_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_c_clk0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -750,27 +895,24 @@ static struct clk_hw_onecell_data axg_hw_onecell_data = { [CLKID_SD_EMMC_C_CLK0_SEL] = &axg_sd_emmc_c_clk0_sel.hw, [CLKID_SD_EMMC_C_CLK0_DIV] = &axg_sd_emmc_c_clk0_div.hw, [CLKID_SD_EMMC_C_CLK0] = &axg_sd_emmc_c_clk0.hw, + [CLKID_MPLL0_DIV] = &axg_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &axg_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &axg_mpll2_div.hw, + [CLKID_MPLL3_DIV] = &axg_mpll3_div.hw, + [CLKID_HIFI_PLL] = &axg_hifi_pll.hw, + [CLKID_MPLL_PREDIV] = &axg_mpll_prediv.hw, + [CLKID_FCLK_DIV2_DIV] = &axg_fclk_div2_div.hw, + [CLKID_FCLK_DIV3_DIV] = &axg_fclk_div3_div.hw, + [CLKID_FCLK_DIV4_DIV] = &axg_fclk_div4_div.hw, + [CLKID_FCLK_DIV5_DIV] = &axg_fclk_div5_div.hw, + [CLKID_FCLK_DIV7_DIV] = &axg_fclk_div7_div.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, }; -/* Convenience tables to populate base addresses in .probe */ - -static struct meson_clk_pll *const axg_clk_plls[] = { - &axg_fixed_pll, - &axg_sys_pll, - &axg_gp0_pll, -}; - -static struct meson_clk_mpll *const axg_clk_mplls[] = { - &axg_mpll0, - &axg_mpll1, - &axg_mpll2, - &axg_mpll3, -}; - -static struct clk_gate *const axg_clk_gates[] = { +/* Convenience table to populate regmap in .probe */ +static struct clk_regmap *const axg_clk_regmaps[] = { &axg_clk81, &axg_ddr, &axg_audio_locker, @@ -818,113 +960,100 @@ static struct clk_gate *const axg_clk_gates[] = { &axg_ao_i2c, &axg_sd_emmc_b_clk0, &axg_sd_emmc_c_clk0, -}; - -static struct clk_mux *const axg_clk_muxes[] = { - &axg_mpeg_clk_sel, - &axg_sd_emmc_b_clk0_sel, - &axg_sd_emmc_c_clk0_sel, -}; - -static struct clk_divider *const axg_clk_dividers[] = { &axg_mpeg_clk_div, &axg_sd_emmc_b_clk0_div, &axg_sd_emmc_c_clk0_div, -}; - -struct clkc_data { - struct clk_gate *const *clk_gates; - unsigned int clk_gates_count; - struct meson_clk_mpll *const *clk_mplls; - unsigned int clk_mplls_count; - struct meson_clk_pll *const *clk_plls; - unsigned int clk_plls_count; - struct clk_mux *const *clk_muxes; - unsigned int clk_muxes_count; - struct clk_divider *const *clk_dividers; - unsigned int clk_dividers_count; - struct clk_hw_onecell_data *hw_onecell_data; -}; - -static const struct clkc_data axg_clkc_data = { - .clk_gates = axg_clk_gates, - .clk_gates_count = ARRAY_SIZE(axg_clk_gates), - .clk_mplls = axg_clk_mplls, - .clk_mplls_count = ARRAY_SIZE(axg_clk_mplls), - .clk_plls = axg_clk_plls, - .clk_plls_count = ARRAY_SIZE(axg_clk_plls), - .clk_muxes = axg_clk_muxes, - .clk_muxes_count = ARRAY_SIZE(axg_clk_muxes), - .clk_dividers = axg_clk_dividers, - .clk_dividers_count = ARRAY_SIZE(axg_clk_dividers), - .hw_onecell_data = &axg_hw_onecell_data, + &axg_mpeg_clk_sel, + &axg_sd_emmc_b_clk0_sel, + &axg_sd_emmc_c_clk0_sel, + &axg_mpll0, + &axg_mpll1, + &axg_mpll2, + &axg_mpll3, + &axg_mpll0_div, + &axg_mpll1_div, + &axg_mpll2_div, + &axg_mpll3_div, + &axg_fixed_pll, + &axg_sys_pll, + &axg_gp0_pll, + &axg_hifi_pll, + &axg_mpll_prediv, + &axg_fclk_div2, + &axg_fclk_div3, + &axg_fclk_div4, + &axg_fclk_div5, + &axg_fclk_div7, }; static const struct of_device_id clkc_match_table[] = { - { .compatible = "amlogic,axg-clkc", .data = &axg_clkc_data }, + { .compatible = "amlogic,axg-clkc" }, {} }; +static const struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + static int axg_clkc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - const struct clkc_data *clkc_data; struct resource *res; - void __iomem *clk_base; - int ret, clkid, i; - - clkc_data = of_device_get_match_data(&pdev->dev); - if (!clkc_data) - return -EINVAL; - - /* Generic clocks and PLLs */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - clk_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (!clk_base) { - dev_err(&pdev->dev, "Unable to map clk base\n"); - return -ENXIO; - } + void __iomem *clk_base = NULL; + struct regmap *map; + int ret, i; - /* Populate base address for PLLs */ - for (i = 0; i < clkc_data->clk_plls_count; i++) - clkc_data->clk_plls[i]->base = clk_base; + /* Get the hhi system controller node if available */ + map = syscon_node_to_regmap(of_get_parent(dev->of_node)); + if (IS_ERR(map)) { + dev_err(dev, + "failed to get HHI regmap - Trying obsolete regs\n"); - /* Populate base address for MPLLs */ - for (i = 0; i < clkc_data->clk_mplls_count; i++) - clkc_data->clk_mplls[i]->base = clk_base; + /* + * FIXME: HHI registers should be accessed through + * the appropriate system controller. This is required because + * there is more than just clocks in this register space + * + * This fallback method is only provided temporarily until + * all the platform DTs are properly using the syscon node + */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; - /* Populate base address for gates */ - for (i = 0; i < clkc_data->clk_gates_count; i++) - clkc_data->clk_gates[i]->reg = clk_base + - (u64)clkc_data->clk_gates[i]->reg; - /* Populate base address for muxes */ - for (i = 0; i < clkc_data->clk_muxes_count; i++) - clkc_data->clk_muxes[i]->reg = clk_base + - (u64)clkc_data->clk_muxes[i]->reg; + clk_base = devm_ioremap(dev, res->start, resource_size(res)); + if (!clk_base) { + dev_err(dev, "Unable to map clk base\n"); + return -ENXIO; + } + + map = devm_regmap_init_mmio(dev, clk_base, + &clkc_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); + } - /* Populate base address for dividers */ - for (i = 0; i < clkc_data->clk_dividers_count; i++) - clkc_data->clk_dividers[i]->reg = clk_base + - (u64)clkc_data->clk_dividers[i]->reg; + /* Populate regmap for the regmap backed clocks */ + for (i = 0; i < ARRAY_SIZE(axg_clk_regmaps); i++) + axg_clk_regmaps[i]->map = map; - for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) { + for (i = 0; i < axg_hw_onecell_data.num; i++) { /* array might be sparse */ - if (!clkc_data->hw_onecell_data->hws[clkid]) + if (!axg_hw_onecell_data.hws[i]) continue; - ret = devm_clk_hw_register(dev, - clkc_data->hw_onecell_data->hws[clkid]); + ret = devm_clk_hw_register(dev, axg_hw_onecell_data.hws[i]); if (ret) { - dev_err(&pdev->dev, "Clock registration failed\n"); + dev_err(dev, "Clock registration failed\n"); return ret; } } - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, - clkc_data->hw_onecell_data); + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + &axg_hw_onecell_data); } static struct platform_driver axg_driver = { diff --git a/drivers/clk/meson/axg.h b/drivers/clk/meson/axg.h index ce0bafdb6b28..b421df6a7ea0 100644 --- a/drivers/clk/meson/axg.h +++ b/drivers/clk/meson/axg.h @@ -117,8 +117,18 @@ #define CLKID_SD_EMMC_B_CLK0_DIV 62 #define CLKID_SD_EMMC_C_CLK0_SEL 63 #define CLKID_SD_EMMC_C_CLK0_DIV 64 +#define CLKID_MPLL0_DIV 65 +#define CLKID_MPLL1_DIV 66 +#define CLKID_MPLL2_DIV 67 +#define CLKID_MPLL3_DIV 68 +#define CLKID_MPLL_PREDIV 70 +#define CLKID_FCLK_DIV2_DIV 71 +#define CLKID_FCLK_DIV3_DIV 72 +#define CLKID_FCLK_DIV4_DIV 73 +#define CLKID_FCLK_DIV5_DIV 74 +#define CLKID_FCLK_DIV7_DIV 75 -#define NR_CLKS 65 +#define NR_CLKS 76 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/axg-clkc.h> diff --git a/drivers/clk/meson/clk-audio-divider.c b/drivers/clk/meson/clk-audio-divider.c index 6c07db06642d..f7ab5b1db342 100644 --- a/drivers/clk/meson/clk-audio-divider.c +++ b/drivers/clk/meson/clk-audio-divider.c @@ -28,8 +28,11 @@ #include <linux/clk-provider.h> #include "clkc.h" -#define to_meson_clk_audio_divider(_hw) container_of(_hw, \ - struct meson_clk_audio_divider, hw) +static inline struct meson_clk_audio_div_data * +meson_clk_audio_div_data(struct clk_regmap *clk) +{ + return (struct meson_clk_audio_div_data *)clk->data; +} static int _div_round(unsigned long parent_rate, unsigned long rate, unsigned long flags) @@ -45,15 +48,9 @@ static int _get_val(unsigned long parent_rate, unsigned long rate) return DIV_ROUND_UP_ULL((u64)parent_rate, rate) - 1; } -static int _valid_divider(struct clk_hw *hw, int divider) +static int _valid_divider(unsigned int width, int divider) { - struct meson_clk_audio_divider *adiv = - to_meson_clk_audio_divider(hw); - int max_divider; - u8 width; - - width = adiv->div.width; - max_divider = 1 << width; + int max_divider = 1 << width; return clamp(divider, 1, max_divider); } @@ -61,14 +58,11 @@ static int _valid_divider(struct clk_hw *hw, int divider) static unsigned long audio_divider_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct meson_clk_audio_divider *adiv = - to_meson_clk_audio_divider(hw); - struct parm *p; - unsigned long reg, divider; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_audio_div_data *adiv = meson_clk_audio_div_data(clk); + unsigned long divider; - p = &adiv->div; - reg = readl(adiv->base + p->reg_off); - divider = PARM_GET(p->width, p->shift, reg) + 1; + divider = meson_parm_read(clk->map, &adiv->div); return DIV_ROUND_UP_ULL((u64)parent_rate, divider); } @@ -77,14 +71,14 @@ static long audio_divider_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { - struct meson_clk_audio_divider *adiv = - to_meson_clk_audio_divider(hw); + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_audio_div_data *adiv = meson_clk_audio_div_data(clk); unsigned long max_prate; int divider; if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) { divider = _div_round(*parent_rate, rate, adiv->flags); - divider = _valid_divider(hw, divider); + divider = _valid_divider(adiv->div.width, divider); return DIV_ROUND_UP_ULL((u64)*parent_rate, divider); } @@ -93,7 +87,7 @@ static long audio_divider_round_rate(struct clk_hw *hw, /* Get the corresponding rounded down divider */ divider = max_prate / rate; - divider = _valid_divider(hw, divider); + divider = _valid_divider(adiv->div.width, divider); /* Get actual rate of the parent */ *parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), @@ -106,28 +100,11 @@ static int audio_divider_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct meson_clk_audio_divider *adiv = - to_meson_clk_audio_divider(hw); - struct parm *p; - unsigned long reg, flags = 0; - int val; - - val = _get_val(parent_rate, rate); - - if (adiv->lock) - spin_lock_irqsave(adiv->lock, flags); - else - __acquire(adiv->lock); - - p = &adiv->div; - reg = readl(adiv->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, val); - writel(reg, adiv->base + p->reg_off); - - if (adiv->lock) - spin_unlock_irqrestore(adiv->lock, flags); - else - __release(adiv->lock); + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_audio_div_data *adiv = meson_clk_audio_div_data(clk); + int val = _get_val(parent_rate, rate); + + meson_parm_write(clk->map, &adiv->div, val); return 0; } diff --git a/drivers/clk/meson/clk-cpu.c b/drivers/clk/meson/clk-cpu.c deleted file mode 100644 index f8b2b7efd016..000000000000 --- a/drivers/clk/meson/clk-cpu.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - * Copyright (c) 2015 Endless Mobile, Inc. - * Author: Carlo Caione <carlo@endlessm.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -/* - * CPU clock path: - * - * +-[/N]-----|3| - * MUX2 +--[/3]-+----------|2| MUX1 - * [sys_pll]---|1| |--[/2]------------|1|-|1| - * | |---+------------------|0| | |----- [a5_clk] - * +--|0| | | - * [xtal]---+-------------------------------|0| - * - * - * - */ - -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/module.h> -#include <linux/of_address.h> -#include <linux/slab.h> -#include <linux/clk.h> -#include <linux/clk-provider.h> - -#define MESON_CPU_CLK_CNTL1 0x00 -#define MESON_CPU_CLK_CNTL 0x40 - -#define MESON_CPU_CLK_MUX1 BIT(7) -#define MESON_CPU_CLK_MUX2 BIT(0) - -#define MESON_N_WIDTH 9 -#define MESON_N_SHIFT 20 -#define MESON_SEL_WIDTH 2 -#define MESON_SEL_SHIFT 2 - -#include "clkc.h" - -#define to_meson_clk_cpu_hw(_hw) container_of(_hw, struct meson_clk_cpu, hw) -#define to_meson_clk_cpu_nb(_nb) container_of(_nb, struct meson_clk_cpu, clk_nb) - -static long meson_clk_cpu_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *prate) -{ - struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw); - - return divider_round_rate(hw, rate, prate, clk_cpu->div_table, - MESON_N_WIDTH, CLK_DIVIDER_ROUND_CLOSEST); -} - -static int meson_clk_cpu_set_rate(struct clk_hw *hw, unsigned long rate, - unsigned long parent_rate) -{ - struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw); - unsigned int div, sel, N = 0; - u32 reg; - - div = DIV_ROUND_UP(parent_rate, rate); - - if (div <= 3) { - sel = div - 1; - } else { - sel = 3; - N = div / 2; - } - - reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1); - reg = PARM_SET(MESON_N_WIDTH, MESON_N_SHIFT, reg, N); - writel(reg, clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1); - - reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL); - reg = PARM_SET(MESON_SEL_WIDTH, MESON_SEL_SHIFT, reg, sel); - writel(reg, clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL); - - return 0; -} - -static unsigned long meson_clk_cpu_recalc_rate(struct clk_hw *hw, - unsigned long parent_rate) -{ - struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw); - unsigned int N, sel; - unsigned int div = 1; - u32 reg; - - reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1); - N = PARM_GET(MESON_N_WIDTH, MESON_N_SHIFT, reg); - - reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL); - sel = PARM_GET(MESON_SEL_WIDTH, MESON_SEL_SHIFT, reg); - - if (sel < 3) - div = sel + 1; - else - div = 2 * N; - - return parent_rate / div; -} - -/* FIXME MUX1 & MUX2 should be struct clk_hw objects */ -static int meson_clk_cpu_pre_rate_change(struct meson_clk_cpu *clk_cpu, - struct clk_notifier_data *ndata) -{ - u32 cpu_clk_cntl; - - /* switch MUX1 to xtal */ - cpu_clk_cntl = readl(clk_cpu->base + clk_cpu->reg_off - + MESON_CPU_CLK_CNTL); - cpu_clk_cntl &= ~MESON_CPU_CLK_MUX1; - writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off - + MESON_CPU_CLK_CNTL); - udelay(100); - - /* switch MUX2 to sys-pll */ - cpu_clk_cntl |= MESON_CPU_CLK_MUX2; - writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off - + MESON_CPU_CLK_CNTL); - - return 0; -} - -/* FIXME MUX1 & MUX2 should be struct clk_hw objects */ -static int meson_clk_cpu_post_rate_change(struct meson_clk_cpu *clk_cpu, - struct clk_notifier_data *ndata) -{ - u32 cpu_clk_cntl; - - /* switch MUX1 to divisors' output */ - cpu_clk_cntl = readl(clk_cpu->base + clk_cpu->reg_off - + MESON_CPU_CLK_CNTL); - cpu_clk_cntl |= MESON_CPU_CLK_MUX1; - writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off - + MESON_CPU_CLK_CNTL); - udelay(100); - - return 0; -} - -/* - * This clock notifier is called when the frequency of the of the parent - * PLL clock is to be changed. We use the xtal input as temporary parent - * while the PLL frequency is stabilized. - */ -int meson_clk_cpu_notifier_cb(struct notifier_block *nb, - unsigned long event, void *data) -{ - struct clk_notifier_data *ndata = data; - struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_nb(nb); - int ret = 0; - - if (event == PRE_RATE_CHANGE) - ret = meson_clk_cpu_pre_rate_change(clk_cpu, ndata); - else if (event == POST_RATE_CHANGE) - ret = meson_clk_cpu_post_rate_change(clk_cpu, ndata); - - return notifier_from_errno(ret); -} - -const struct clk_ops meson_clk_cpu_ops = { - .recalc_rate = meson_clk_cpu_recalc_rate, - .round_rate = meson_clk_cpu_round_rate, - .set_rate = meson_clk_cpu_set_rate, -}; diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index 5144360e2c80..0df1227b65b3 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -68,11 +68,15 @@ #define N2_MIN 4 #define N2_MAX 511 -#define to_meson_clk_mpll(_hw) container_of(_hw, struct meson_clk_mpll, hw) +static inline struct meson_clk_mpll_data * +meson_clk_mpll_data(struct clk_regmap *clk) +{ + return (struct meson_clk_mpll_data *)clk->data; +} static long rate_from_params(unsigned long parent_rate, - unsigned long sdm, - unsigned long n2) + unsigned int sdm, + unsigned int n2) { unsigned long divisor = (SDM_DEN * n2) + sdm; @@ -84,8 +88,8 @@ static long rate_from_params(unsigned long parent_rate, static void params_from_rate(unsigned long requested_rate, unsigned long parent_rate, - unsigned long *sdm, - unsigned long *n2) + unsigned int *sdm, + unsigned int *n2) { uint64_t div = parent_rate; unsigned long rem = do_div(div, requested_rate); @@ -105,31 +109,23 @@ static void params_from_rate(unsigned long requested_rate, static unsigned long mpll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { - struct meson_clk_mpll *mpll = to_meson_clk_mpll(hw); - struct parm *p; - unsigned long reg, sdm, n2; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); + unsigned int sdm, n2; long rate; - p = &mpll->sdm; - reg = readl(mpll->base + p->reg_off); - sdm = PARM_GET(p->width, p->shift, reg); - - p = &mpll->n2; - reg = readl(mpll->base + p->reg_off); - n2 = PARM_GET(p->width, p->shift, reg); + sdm = meson_parm_read(clk->map, &mpll->sdm); + n2 = meson_parm_read(clk->map, &mpll->n2); rate = rate_from_params(parent_rate, sdm, n2); - if (rate < 0) - return 0; - - return rate; + return rate < 0 ? 0 : rate; } static long mpll_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate) { - unsigned long sdm, n2; + unsigned int sdm, n2; params_from_rate(rate, *parent_rate, &sdm, &n2); return rate_from_params(*parent_rate, sdm, n2); @@ -139,9 +135,9 @@ static int mpll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct meson_clk_mpll *mpll = to_meson_clk_mpll(hw); - struct parm *p; - unsigned long reg, sdm, n2; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk); + unsigned int sdm, n2; unsigned long flags = 0; params_from_rate(rate, parent_rate, &sdm, &n2); @@ -151,97 +147,36 @@ static int mpll_set_rate(struct clk_hw *hw, else __acquire(mpll->lock); - p = &mpll->sdm; - reg = readl(mpll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, sdm); - writel(reg, mpll->base + p->reg_off); - - p = &mpll->sdm_en; - reg = readl(mpll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, 1); - writel(reg, mpll->base + p->reg_off); - - p = &mpll->ssen; - if (p->width != 0) { - reg = readl(mpll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, 1); - writel(reg, mpll->base + p->reg_off); - } - - p = &mpll->n2; - reg = readl(mpll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, n2); - writel(reg, mpll->base + p->reg_off); - - if (mpll->lock) - spin_unlock_irqrestore(mpll->lock, flags); - else - __release(mpll->lock); - - return 0; -} + /* Enable and set the fractional part */ + meson_parm_write(clk->map, &mpll->sdm, sdm); + meson_parm_write(clk->map, &mpll->sdm_en, 1); -static void mpll_enable_core(struct clk_hw *hw, int enable) -{ - struct meson_clk_mpll *mpll = to_meson_clk_mpll(hw); - struct parm *p; - unsigned long reg; - unsigned long flags = 0; + /* Set additional fractional part enable if required */ + if (MESON_PARM_APPLICABLE(&mpll->ssen)) + meson_parm_write(clk->map, &mpll->ssen, 1); - if (mpll->lock) - spin_lock_irqsave(mpll->lock, flags); - else - __acquire(mpll->lock); + /* Set the integer divider part */ + meson_parm_write(clk->map, &mpll->n2, n2); - p = &mpll->en; - reg = readl(mpll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, enable ? 1 : 0); - writel(reg, mpll->base + p->reg_off); + /* Set the magic misc bit if required */ + if (MESON_PARM_APPLICABLE(&mpll->misc)) + meson_parm_write(clk->map, &mpll->misc, 1); if (mpll->lock) spin_unlock_irqrestore(mpll->lock, flags); else __release(mpll->lock); -} - - -static int mpll_enable(struct clk_hw *hw) -{ - mpll_enable_core(hw, 1); return 0; } -static void mpll_disable(struct clk_hw *hw) -{ - mpll_enable_core(hw, 0); -} - -static int mpll_is_enabled(struct clk_hw *hw) -{ - struct meson_clk_mpll *mpll = to_meson_clk_mpll(hw); - struct parm *p; - unsigned long reg; - int en; - - p = &mpll->en; - reg = readl(mpll->base + p->reg_off); - en = PARM_GET(p->width, p->shift, reg); - - return en; -} - const struct clk_ops meson_clk_mpll_ro_ops = { .recalc_rate = mpll_recalc_rate, .round_rate = mpll_round_rate, - .is_enabled = mpll_is_enabled, }; const struct clk_ops meson_clk_mpll_ops = { .recalc_rate = mpll_recalc_rate, .round_rate = mpll_round_rate, .set_rate = mpll_set_rate, - .enable = mpll_enable, - .disable = mpll_disable, - .is_enabled = mpll_is_enabled, }; diff --git a/drivers/clk/meson/clk-pll.c b/drivers/clk/meson/clk-pll.c index 01341553f50b..65a7bd903551 100644 --- a/drivers/clk/meson/clk-pll.c +++ b/drivers/clk/meson/clk-pll.c @@ -2,6 +2,9 @@ * Copyright (c) 2015 Endless Mobile, Inc. * Author: Carlo Caione <carlo@endlessm.com> * + * Copyright (c) 2018 Baylibre, SAS. + * Author: Jerome Brunet <jbrunet@baylibre.com> + * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. @@ -27,13 +30,14 @@ * | | * FREF VCO * - * out = (in * M / N) >> OD + * out = in * (m + frac / frac_max) / (n << sum(ods)) */ #include <linux/clk-provider.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/math64.h> #include <linux/module.h> #include <linux/of_address.h> #include <linux/slab.h> @@ -41,209 +45,213 @@ #include "clkc.h" -#define MESON_PLL_RESET BIT(29) -#define MESON_PLL_LOCK BIT(31) - -#define to_meson_clk_pll(_hw) container_of(_hw, struct meson_clk_pll, hw) - -static unsigned long meson_clk_pll_recalc_rate(struct clk_hw *hw, - unsigned long parent_rate) +static inline struct meson_clk_pll_data * +meson_clk_pll_data(struct clk_regmap *clk) { - struct meson_clk_pll *pll = to_meson_clk_pll(hw); - struct parm *p; - unsigned long parent_rate_mhz = parent_rate / 1000000; - unsigned long rate_mhz; - u16 n, m, frac = 0, od, od2 = 0; - u32 reg; - - p = &pll->n; - reg = readl(pll->base + p->reg_off); - n = PARM_GET(p->width, p->shift, reg); - - p = &pll->m; - reg = readl(pll->base + p->reg_off); - m = PARM_GET(p->width, p->shift, reg); - - p = &pll->od; - reg = readl(pll->base + p->reg_off); - od = PARM_GET(p->width, p->shift, reg); - - p = &pll->od2; - if (p->width) { - reg = readl(pll->base + p->reg_off); - od2 = PARM_GET(p->width, p->shift, reg); - } - - p = &pll->frac; - if (p->width) { - reg = readl(pll->base + p->reg_off); - frac = PARM_GET(p->width, p->shift, reg); - rate_mhz = (parent_rate_mhz * m + \ - (parent_rate_mhz * frac >> 12)) * 2 / n; - rate_mhz = rate_mhz >> od >> od2; - } else - rate_mhz = (parent_rate_mhz * m / n) >> od >> od2; - - return rate_mhz * 1000000; + return (struct meson_clk_pll_data *)clk->data; } -static long meson_clk_pll_round_rate(struct clk_hw *hw, unsigned long rate, - unsigned long *parent_rate) +static unsigned long __pll_params_to_rate(unsigned long parent_rate, + const struct pll_rate_table *pllt, + u16 frac, + struct meson_clk_pll_data *pll) { - struct meson_clk_pll *pll = to_meson_clk_pll(hw); - const struct pll_rate_table *rate_table = pll->rate_table; - int i; + u64 rate = (u64)parent_rate * pllt->m; + unsigned int od = pllt->od + pllt->od2 + pllt->od3; - for (i = 0; i < pll->rate_count; i++) { - if (rate <= rate_table[i].rate) - return rate_table[i].rate; + if (frac && MESON_PARM_APPLICABLE(&pll->frac)) { + u64 frac_rate = (u64)parent_rate * frac; + + rate += DIV_ROUND_UP_ULL(frac_rate, + (1 << pll->frac.width)); } - /* else return the smallest value */ - return rate_table[0].rate; + return DIV_ROUND_UP_ULL(rate, pllt->n << od); } -static const struct pll_rate_table *meson_clk_get_pll_settings(struct meson_clk_pll *pll, - unsigned long rate) +static unsigned long meson_clk_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - const struct pll_rate_table *rate_table = pll->rate_table; - int i; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); + struct pll_rate_table pllt; + u16 frac; - for (i = 0; i < pll->rate_count; i++) { - if (rate == rate_table[i].rate) - return &rate_table[i]; - } - return NULL; + pllt.n = meson_parm_read(clk->map, &pll->n); + pllt.m = meson_parm_read(clk->map, &pll->m); + pllt.od = meson_parm_read(clk->map, &pll->od); + + pllt.od2 = MESON_PARM_APPLICABLE(&pll->od2) ? + meson_parm_read(clk->map, &pll->od2) : + 0; + + pllt.od3 = MESON_PARM_APPLICABLE(&pll->od3) ? + meson_parm_read(clk->map, &pll->od3) : + 0; + + frac = MESON_PARM_APPLICABLE(&pll->frac) ? + meson_parm_read(clk->map, &pll->frac) : + 0; + + return __pll_params_to_rate(parent_rate, &pllt, frac, pll); } -/* Specific wait loop for GXL/GXM GP0 PLL */ -static int meson_clk_pll_wait_lock_reset(struct meson_clk_pll *pll, - struct parm *p_n) +static u16 __pll_params_with_frac(unsigned long rate, + unsigned long parent_rate, + const struct pll_rate_table *pllt, + struct meson_clk_pll_data *pll) { - int delay = 100; - u32 reg; + u16 frac_max = (1 << pll->frac.width); + u64 val = (u64)rate * pllt->n; - while (delay > 0) { - reg = readl(pll->base + p_n->reg_off); - writel(reg | MESON_PLL_RESET, pll->base + p_n->reg_off); - udelay(10); - writel(reg & ~MESON_PLL_RESET, pll->base + p_n->reg_off); + val <<= pllt->od + pllt->od2 + pllt->od3; - /* This delay comes from AMLogic tree clk-gp0-gxl driver */ - mdelay(1); + if (pll->flags & CLK_MESON_PLL_ROUND_CLOSEST) + val = DIV_ROUND_CLOSEST_ULL(val * frac_max, parent_rate); + else + val = div_u64(val * frac_max, parent_rate); - reg = readl(pll->base + p_n->reg_off); - if (reg & MESON_PLL_LOCK) - return 0; - delay--; + val -= pllt->m * frac_max; + + return min((u16)val, (u16)(frac_max - 1)); +} + +static const struct pll_rate_table * +meson_clk_get_pll_settings(unsigned long rate, + struct meson_clk_pll_data *pll) +{ + const struct pll_rate_table *table = pll->table; + unsigned int i = 0; + + if (!table) + return NULL; + + /* Find the first table element exceeding rate */ + while (table[i].rate && table[i].rate <= rate) + i++; + + if (i != 0) { + if (MESON_PARM_APPLICABLE(&pll->frac) || + !(pll->flags & CLK_MESON_PLL_ROUND_CLOSEST) || + (abs(rate - table[i - 1].rate) < + abs(rate - table[i].rate))) + i--; } - return -ETIMEDOUT; + + return (struct pll_rate_table *)&table[i]; } -static int meson_clk_pll_wait_lock(struct meson_clk_pll *pll, - struct parm *p_n) +static long meson_clk_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) { - int delay = 24000000; - u32 reg; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); + const struct pll_rate_table *pllt = + meson_clk_get_pll_settings(rate, pll); + u16 frac; + + if (!pllt) + return meson_clk_pll_recalc_rate(hw, *parent_rate); + + if (!MESON_PARM_APPLICABLE(&pll->frac) + || rate == pllt->rate) + return pllt->rate; + + /* + * The rate provided by the setting is not an exact match, let's + * try to improve the result using the fractional parameter + */ + frac = __pll_params_with_frac(rate, *parent_rate, pllt, pll); + + return __pll_params_to_rate(*parent_rate, pllt, frac, pll); +} - while (delay > 0) { - reg = readl(pll->base + p_n->reg_off); +static int meson_clk_pll_wait_lock(struct clk_hw *hw) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); + int delay = 24000000; - if (reg & MESON_PLL_LOCK) + do { + /* Is the clock locked now ? */ + if (meson_parm_read(clk->map, &pll->l)) return 0; + delay--; - } + } while (delay > 0); + return -ETIMEDOUT; } -static void meson_clk_pll_init_params(struct meson_clk_pll *pll) +static void meson_clk_pll_init(struct clk_hw *hw) { - int i; - - for (i = 0 ; i < pll->params.params_count ; ++i) - writel(pll->params.params_table[i].value, - pll->base + pll->params.params_table[i].reg_off); + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); + + if (pll->init_count) { + meson_parm_write(clk->map, &pll->rst, 1); + regmap_multi_reg_write(clk->map, pll->init_regs, + pll->init_count); + meson_parm_write(clk->map, &pll->rst, 0); + } } static int meson_clk_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { - struct meson_clk_pll *pll = to_meson_clk_pll(hw); - struct parm *p; - const struct pll_rate_table *rate_set; + struct clk_regmap *clk = to_clk_regmap(hw); + struct meson_clk_pll_data *pll = meson_clk_pll_data(clk); + const struct pll_rate_table *pllt; unsigned long old_rate; - int ret = 0; - u32 reg; + u16 frac = 0; if (parent_rate == 0 || rate == 0) return -EINVAL; old_rate = rate; - rate_set = meson_clk_get_pll_settings(pll, rate); - if (!rate_set) + pllt = meson_clk_get_pll_settings(rate, pll); + if (!pllt) return -EINVAL; - /* Initialize the PLL in a clean state if specified */ - if (pll->params.params_count) - meson_clk_pll_init_params(pll); - - /* PLL reset */ - p = &pll->n; - reg = readl(pll->base + p->reg_off); - /* If no_init_reset is provided, avoid resetting at this point */ - if (!pll->params.no_init_reset) - writel(reg | MESON_PLL_RESET, pll->base + p->reg_off); - - reg = PARM_SET(p->width, p->shift, reg, rate_set->n); - writel(reg, pll->base + p->reg_off); - - p = &pll->m; - reg = readl(pll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, rate_set->m); - writel(reg, pll->base + p->reg_off); - - p = &pll->od; - reg = readl(pll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, rate_set->od); - writel(reg, pll->base + p->reg_off); - - p = &pll->od2; - if (p->width) { - reg = readl(pll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, rate_set->od2); - writel(reg, pll->base + p->reg_off); - } + /* Put the pll in reset to write the params */ + meson_parm_write(clk->map, &pll->rst, 1); - p = &pll->frac; - if (p->width) { - reg = readl(pll->base + p->reg_off); - reg = PARM_SET(p->width, p->shift, reg, rate_set->frac); - writel(reg, pll->base + p->reg_off); - } + meson_parm_write(clk->map, &pll->n, pllt->n); + meson_parm_write(clk->map, &pll->m, pllt->m); + meson_parm_write(clk->map, &pll->od, pllt->od); + + if (MESON_PARM_APPLICABLE(&pll->od2)) + meson_parm_write(clk->map, &pll->od2, pllt->od2); + + if (MESON_PARM_APPLICABLE(&pll->od3)) + meson_parm_write(clk->map, &pll->od3, pllt->od3); - p = &pll->n; - /* If clear_reset_for_lock is provided, remove the reset bit here */ - if (pll->params.clear_reset_for_lock) { - reg = readl(pll->base + p->reg_off); - writel(reg & ~MESON_PLL_RESET, pll->base + p->reg_off); + if (MESON_PARM_APPLICABLE(&pll->frac)) { + frac = __pll_params_with_frac(rate, parent_rate, pllt, pll); + meson_parm_write(clk->map, &pll->frac, frac); } - /* If reset_lock_loop, use a special loop including resetting */ - if (pll->params.reset_lock_loop) - ret = meson_clk_pll_wait_lock_reset(pll, p); - else - ret = meson_clk_pll_wait_lock(pll, p); - if (ret) { + /* make sure the reset is cleared at this point */ + meson_parm_write(clk->map, &pll->rst, 0); + + if (meson_clk_pll_wait_lock(hw)) { pr_warn("%s: pll did not lock, trying to restore old rate %lu\n", __func__, old_rate); + /* + * FIXME: Do we really need/want this HACK ? + * It looks unsafe. what happens if the clock gets into a + * broken state and we can't lock back on the old_rate ? Looks + * like an infinite recursion is possible + */ meson_clk_pll_set_rate(hw, old_rate, parent_rate); } - return ret; + return 0; } const struct clk_ops meson_clk_pll_ops = { + .init = meson_clk_pll_init, .recalc_rate = meson_clk_pll_recalc_rate, .round_rate = meson_clk_pll_round_rate, .set_rate = meson_clk_pll_set_rate, diff --git a/drivers/clk/meson/clk-regmap.c b/drivers/clk/meson/clk-regmap.c new file mode 100644 index 000000000000..3645fdb62343 --- /dev/null +++ b/drivers/clk/meson/clk-regmap.c @@ -0,0 +1,166 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 BayLibre, SAS. +// Author: Jerome Brunet <jbrunet@baylibre.com> + +#include "clk-regmap.h" + +static int clk_regmap_gate_endisable(struct clk_hw *hw, int enable) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_gate_data *gate = clk_get_regmap_gate_data(clk); + int set = gate->flags & CLK_GATE_SET_TO_DISABLE ? 1 : 0; + + set ^= enable; + + return regmap_update_bits(clk->map, gate->offset, BIT(gate->bit_idx), + set ? BIT(gate->bit_idx) : 0); +} + +static int clk_regmap_gate_enable(struct clk_hw *hw) +{ + return clk_regmap_gate_endisable(hw, 1); +} + +static void clk_regmap_gate_disable(struct clk_hw *hw) +{ + clk_regmap_gate_endisable(hw, 0); +} + +static int clk_regmap_gate_is_enabled(struct clk_hw *hw) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_gate_data *gate = clk_get_regmap_gate_data(clk); + unsigned int val; + + regmap_read(clk->map, gate->offset, &val); + if (gate->flags & CLK_GATE_SET_TO_DISABLE) + val ^= BIT(gate->bit_idx); + + val &= BIT(gate->bit_idx); + + return val ? 1 : 0; +} + +const struct clk_ops clk_regmap_gate_ops = { + .enable = clk_regmap_gate_enable, + .disable = clk_regmap_gate_disable, + .is_enabled = clk_regmap_gate_is_enabled, +}; +EXPORT_SYMBOL_GPL(clk_regmap_gate_ops); + +static unsigned long clk_regmap_div_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_div_data *div = clk_get_regmap_div_data(clk); + unsigned int val; + int ret; + + ret = regmap_read(clk->map, div->offset, &val); + if (ret) + /* Gives a hint that something is wrong */ + return 0; + + val >>= div->shift; + val &= clk_div_mask(div->width); + return divider_recalc_rate(hw, prate, val, div->table, div->flags, + div->width); +} + +static long clk_regmap_div_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_div_data *div = clk_get_regmap_div_data(clk); + unsigned int val; + int ret; + + /* if read only, just return current value */ + if (div->flags & CLK_DIVIDER_READ_ONLY) { + ret = regmap_read(clk->map, div->offset, &val); + if (ret) + /* Gives a hint that something is wrong */ + return 0; + + val >>= div->shift; + val &= clk_div_mask(div->width); + + return divider_ro_round_rate(hw, rate, prate, div->table, + div->width, div->flags, val); + } + + return divider_round_rate(hw, rate, prate, div->table, div->width, + div->flags); +} + +static int clk_regmap_div_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_div_data *div = clk_get_regmap_div_data(clk); + unsigned int val; + int ret; + + ret = divider_get_val(rate, parent_rate, div->table, div->width, + div->flags); + if (ret < 0) + return ret; + + val = (unsigned int)ret << div->shift; + return regmap_update_bits(clk->map, div->offset, + clk_div_mask(div->width) << div->shift, val); +}; + +/* Would prefer clk_regmap_div_ro_ops but clashes with qcom */ + +const struct clk_ops clk_regmap_divider_ops = { + .recalc_rate = clk_regmap_div_recalc_rate, + .round_rate = clk_regmap_div_round_rate, + .set_rate = clk_regmap_div_set_rate, +}; +EXPORT_SYMBOL_GPL(clk_regmap_divider_ops); + +const struct clk_ops clk_regmap_divider_ro_ops = { + .recalc_rate = clk_regmap_div_recalc_rate, + .round_rate = clk_regmap_div_round_rate, +}; +EXPORT_SYMBOL_GPL(clk_regmap_divider_ro_ops); + +static u8 clk_regmap_mux_get_parent(struct clk_hw *hw) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_mux_data *mux = clk_get_regmap_mux_data(clk); + unsigned int val; + int ret; + + ret = regmap_read(clk->map, mux->offset, &val); + if (ret) + return ret; + + val >>= mux->shift; + val &= mux->mask; + return clk_mux_val_to_index(hw, mux->table, mux->flags, val); +} + +static int clk_regmap_mux_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_regmap *clk = to_clk_regmap(hw); + struct clk_regmap_mux_data *mux = clk_get_regmap_mux_data(clk); + unsigned int val = clk_mux_index_to_val(mux->table, mux->flags, index); + + return regmap_update_bits(clk->map, mux->offset, + mux->mask << mux->shift, + val << mux->shift); +} + +const struct clk_ops clk_regmap_mux_ops = { + .get_parent = clk_regmap_mux_get_parent, + .set_parent = clk_regmap_mux_set_parent, + .determine_rate = __clk_mux_determine_rate, +}; +EXPORT_SYMBOL_GPL(clk_regmap_mux_ops); + +const struct clk_ops clk_regmap_mux_ro_ops = { + .get_parent = clk_regmap_mux_get_parent, +}; +EXPORT_SYMBOL_GPL(clk_regmap_mux_ro_ops); diff --git a/drivers/clk/meson/clk-regmap.h b/drivers/clk/meson/clk-regmap.h new file mode 100644 index 000000000000..627c888026d7 --- /dev/null +++ b/drivers/clk/meson/clk-regmap.h @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 BayLibre, SAS. +// Author: Jerome Brunet <jbrunet@baylibre.com> + +#ifndef __CLK_REGMAP_H +#define __CLK_REGMAP_H + +#include <linux/clk-provider.h> +#include <linux/regmap.h> + +/** + * struct clk_regmap - regmap backed clock + * + * @hw: handle between common and hardware-specific interfaces + * @map: pointer to the regmap structure controlling the clock + * @data: data specific to the clock type + * + * Clock which is controlled by regmap backed registers. The actual type of + * of the clock is controlled by the clock_ops and data. + */ +struct clk_regmap { + struct clk_hw hw; + struct regmap *map; + void *data; +}; + +#define to_clk_regmap(_hw) container_of(_hw, struct clk_regmap, hw) + +/** + * struct clk_regmap_gate_data - regmap backed gate specific data + * + * @offset: offset of the register controlling gate + * @bit_idx: single bit controlling gate + * @flags: hardware-specific flags + * + * Flags: + * Same as clk_gate except CLK_GATE_HIWORD_MASK which is ignored + */ +struct clk_regmap_gate_data { + unsigned int offset; + u8 bit_idx; + u8 flags; +}; + +static inline struct clk_regmap_gate_data * +clk_get_regmap_gate_data(struct clk_regmap *clk) +{ + return (struct clk_regmap_gate_data *)clk->data; +} + +extern const struct clk_ops clk_regmap_gate_ops; + +/** + * struct clk_regmap_div_data - regmap backed adjustable divider specific data + * + * @offset: offset of the register controlling the divider + * @shift: shift to the divider bit field + * @width: width of the divider bit field + * @table: array of value/divider pairs, last entry should have div = 0 + * + * Flags: + * Same as clk_divider except CLK_DIVIDER_HIWORD_MASK which is ignored + */ +struct clk_regmap_div_data { + unsigned int offset; + u8 shift; + u8 width; + u8 flags; + const struct clk_div_table *table; +}; + +static inline struct clk_regmap_div_data * +clk_get_regmap_div_data(struct clk_regmap *clk) +{ + return (struct clk_regmap_div_data *)clk->data; +} + +extern const struct clk_ops clk_regmap_divider_ops; +extern const struct clk_ops clk_regmap_divider_ro_ops; + +/** + * struct clk_regmap_mux_data - regmap backed multiplexer clock specific data + * + * @hw: handle between common and hardware-specific interfaces + * @offset: offset of theregister controlling multiplexer + * @table: array of parent indexed register values + * @shift: shift to multiplexer bit field + * @mask: mask of mutliplexer bit field + * @flags: hardware-specific flags + * + * Flags: + * Same as clk_divider except CLK_MUX_HIWORD_MASK which is ignored + */ +struct clk_regmap_mux_data { + unsigned int offset; + u32 *table; + u32 mask; + u8 shift; + u8 flags; +}; + +static inline struct clk_regmap_mux_data * +clk_get_regmap_mux_data(struct clk_regmap *clk) +{ + return (struct clk_regmap_mux_data *)clk->data; +} + +extern const struct clk_ops clk_regmap_mux_ops; +extern const struct clk_ops clk_regmap_mux_ro_ops; + +#endif /* __CLK_REGMAP_H */ diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h index c2ff0520ce53..8fe73c4edca8 100644 --- a/drivers/clk/meson/clkc.h +++ b/drivers/clk/meson/clkc.h @@ -18,6 +18,9 @@ #ifndef __CLKC_H #define __CLKC_H +#include <linux/clk-provider.h> +#include "clk-regmap.h" + #define PMASK(width) GENMASK(width - 1, 0) #define SETPMASK(width, shift) GENMASK(shift + width - 1, shift) #define CLRPMASK(width, shift) (~SETPMASK(width, shift)) @@ -35,13 +38,29 @@ struct parm { u8 width; }; +static inline unsigned int meson_parm_read(struct regmap *map, struct parm *p) +{ + unsigned int val; + + regmap_read(map, p->reg_off, &val); + return PARM_GET(p->width, p->shift, val); +} + +static inline void meson_parm_write(struct regmap *map, struct parm *p, + unsigned int val) +{ + regmap_update_bits(map, p->reg_off, SETPMASK(p->width, p->shift), + val << p->shift); +} + + struct pll_rate_table { unsigned long rate; u16 m; u16 n; u16 od; u16 od2; - u16 frac; + u16 od3; }; #define PLL_RATE(_r, _m, _n, _od) \ @@ -50,97 +69,53 @@ struct pll_rate_table { .m = (_m), \ .n = (_n), \ .od = (_od), \ - } \ - -#define PLL_FRAC_RATE(_r, _m, _n, _od, _od2, _frac) \ - { \ - .rate = (_r), \ - .m = (_m), \ - .n = (_n), \ - .od = (_od), \ - .od2 = (_od2), \ - .frac = (_frac), \ - } \ - -struct pll_params_table { - unsigned int reg_off; - unsigned int value; -}; - -#define PLL_PARAM(_reg, _val) \ - { \ - .reg_off = (_reg), \ - .value = (_val), \ } -struct pll_setup_params { - struct pll_params_table *params_table; - unsigned int params_count; - /* Workaround for GP0, do not reset before configuring */ - bool no_init_reset; - /* Workaround for GP0, unreset right before checking for lock */ - bool clear_reset_for_lock; - /* Workaround for GXL GP0, reset in the lock checking loop */ - bool reset_lock_loop; -}; +#define CLK_MESON_PLL_ROUND_CLOSEST BIT(0) -struct meson_clk_pll { - struct clk_hw hw; - void __iomem *base; +struct meson_clk_pll_data { struct parm m; struct parm n; struct parm frac; struct parm od; struct parm od2; - const struct pll_setup_params params; - const struct pll_rate_table *rate_table; - unsigned int rate_count; - spinlock_t *lock; + struct parm od3; + struct parm l; + struct parm rst; + const struct reg_sequence *init_regs; + unsigned int init_count; + const struct pll_rate_table *table; + u8 flags; }; #define to_meson_clk_pll(_hw) container_of(_hw, struct meson_clk_pll, hw) -struct meson_clk_cpu { - struct clk_hw hw; - void __iomem *base; - u16 reg_off; - struct notifier_block clk_nb; - const struct clk_div_table *div_table; -}; - -int meson_clk_cpu_notifier_cb(struct notifier_block *nb, unsigned long event, - void *data); - -struct meson_clk_mpll { - struct clk_hw hw; - void __iomem *base; +struct meson_clk_mpll_data { struct parm sdm; struct parm sdm_en; struct parm n2; - struct parm en; struct parm ssen; + struct parm misc; spinlock_t *lock; }; -struct meson_clk_audio_divider { - struct clk_hw hw; - void __iomem *base; +struct meson_clk_audio_div_data { struct parm div; u8 flags; - spinlock_t *lock; }; #define MESON_GATE(_name, _reg, _bit) \ -struct clk_gate _name = { \ - .reg = (void __iomem *) _reg, \ - .bit_idx = (_bit), \ - .lock = &meson_clk_lock, \ - .hw.init = &(struct clk_init_data) { \ - .name = #_name, \ - .ops = &clk_gate_ops, \ +struct clk_regmap _name = { \ + .data = &(struct clk_regmap_gate_data){ \ + .offset = (_reg), \ + .bit_idx = (_bit), \ + }, \ + .hw.init = &(struct clk_init_data) { \ + .name = #_name, \ + .ops = &clk_regmap_gate_ops, \ .parent_names = (const char *[]){ "clk81" }, \ .num_parents = 1, \ - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \ + .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \ }, \ }; diff --git a/drivers/clk/meson/gxbb-aoclk-regmap.c b/drivers/clk/meson/gxbb-aoclk-regmap.c deleted file mode 100644 index 2515fbfa0467..000000000000 --- a/drivers/clk/meson/gxbb-aoclk-regmap.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Copyright (c) 2017 BayLibre, SAS. - * Author: Neil Armstrong <narmstrong@baylibre.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <linux/clk-provider.h> -#include <linux/bitfield.h> -#include <linux/regmap.h> -#include "gxbb-aoclk.h" - -static int aoclk_gate_regmap_enable(struct clk_hw *hw) -{ - struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw); - - return regmap_update_bits(gate->regmap, AO_RTI_GEN_CNTL_REG0, - BIT(gate->bit_idx), BIT(gate->bit_idx)); -} - -static void aoclk_gate_regmap_disable(struct clk_hw *hw) -{ - struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw); - - regmap_update_bits(gate->regmap, AO_RTI_GEN_CNTL_REG0, - BIT(gate->bit_idx), 0); -} - -static int aoclk_gate_regmap_is_enabled(struct clk_hw *hw) -{ - struct aoclk_gate_regmap *gate = to_aoclk_gate_regmap(hw); - unsigned int val; - int ret; - - ret = regmap_read(gate->regmap, AO_RTI_GEN_CNTL_REG0, &val); - if (ret) - return ret; - - return (val & BIT(gate->bit_idx)) != 0; -} - -const struct clk_ops meson_aoclk_gate_regmap_ops = { - .enable = aoclk_gate_regmap_enable, - .disable = aoclk_gate_regmap_disable, - .is_enabled = aoclk_gate_regmap_is_enabled, -}; diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c index 6c161e0a8e59..9ec23ae9a219 100644 --- a/drivers/clk/meson/gxbb-aoclk.c +++ b/drivers/clk/meson/gxbb-aoclk.c @@ -62,10 +62,9 @@ #include <linux/delay.h> #include <dt-bindings/clock/gxbb-aoclkc.h> #include <dt-bindings/reset/gxbb-aoclkc.h> +#include "clk-regmap.h" #include "gxbb-aoclk.h" -static DEFINE_SPINLOCK(gxbb_aoclk_lock); - struct gxbb_aoclk_reset_controller { struct reset_controller_dev reset; unsigned int *data; @@ -87,12 +86,14 @@ static const struct reset_control_ops gxbb_aoclk_reset_ops = { }; #define GXBB_AO_GATE(_name, _bit) \ -static struct aoclk_gate_regmap _name##_ao = { \ - .bit_idx = (_bit), \ - .lock = &gxbb_aoclk_lock, \ +static struct clk_regmap _name##_ao = { \ + .data = &(struct clk_regmap_gate_data) { \ + .offset = AO_RTI_GEN_CNTL_REG0, \ + .bit_idx = (_bit), \ + }, \ .hw.init = &(struct clk_init_data) { \ .name = #_name "_ao", \ - .ops = &meson_aoclk_gate_regmap_ops, \ + .ops = &clk_regmap_gate_ops, \ .parent_names = (const char *[]){ "clk81" }, \ .num_parents = 1, \ .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \ @@ -107,7 +108,6 @@ GXBB_AO_GATE(uart2, 5); GXBB_AO_GATE(ir_blaster, 6); static struct aoclk_cec_32k cec_32k_ao = { - .lock = &gxbb_aoclk_lock, .hw.init = &(struct clk_init_data) { .name = "cec_32k_ao", .ops = &meson_aoclk_cec_32k_ops, @@ -126,7 +126,7 @@ static unsigned int gxbb_aoclk_reset[] = { [RESET_AO_IR_BLASTER] = 23, }; -static struct aoclk_gate_regmap *gxbb_aoclk_gate[] = { +static struct clk_regmap *gxbb_aoclk_gate[] = { [CLKID_AO_REMOTE] = &remote_ao, [CLKID_AO_I2C_MASTER] = &i2c_master_ao, [CLKID_AO_I2C_SLAVE] = &i2c_slave_ao, @@ -177,10 +177,10 @@ static int gxbb_aoclkc_probe(struct platform_device *pdev) * Populate regmap and register all clks */ for (clkid = 0; clkid < ARRAY_SIZE(gxbb_aoclk_gate); clkid++) { - gxbb_aoclk_gate[clkid]->regmap = regmap; + gxbb_aoclk_gate[clkid]->map = regmap; ret = devm_clk_hw_register(dev, - gxbb_aoclk_onecell_data.hws[clkid]); + gxbb_aoclk_onecell_data.hws[clkid]); if (ret) return ret; } diff --git a/drivers/clk/meson/gxbb-aoclk.h b/drivers/clk/meson/gxbb-aoclk.h index e8604c8f7eee..0be78383f257 100644 --- a/drivers/clk/meson/gxbb-aoclk.h +++ b/drivers/clk/meson/gxbb-aoclk.h @@ -17,22 +17,11 @@ #define AO_RTC_ALT_CLK_CNTL0 0x94 #define AO_RTC_ALT_CLK_CNTL1 0x98 -struct aoclk_gate_regmap { - struct clk_hw hw; - unsigned bit_idx; - struct regmap *regmap; - spinlock_t *lock; -}; - -#define to_aoclk_gate_regmap(_hw) \ - container_of(_hw, struct aoclk_gate_regmap, hw) - extern const struct clk_ops meson_aoclk_gate_regmap_ops; struct aoclk_cec_32k { struct clk_hw hw; struct regmap *regmap; - spinlock_t *lock; }; #define to_aoclk_cec_32k(_hw) container_of(_hw, struct aoclk_cec_32k, hw) diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index af24455af5b4..b1e4d9557610 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -19,108 +19,19 @@ #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/init.h> #include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/mfd/syscon.h> #include <linux/platform_device.h> -#include <linux/init.h> +#include <linux/regmap.h> #include "clkc.h" #include "gxbb.h" +#include "clk-regmap.h" static DEFINE_SPINLOCK(meson_clk_lock); -static const struct pll_rate_table sys_pll_rate_table[] = { - PLL_RATE(24000000, 56, 1, 2), - PLL_RATE(48000000, 64, 1, 2), - PLL_RATE(72000000, 72, 1, 2), - PLL_RATE(96000000, 64, 1, 2), - PLL_RATE(120000000, 80, 1, 2), - PLL_RATE(144000000, 96, 1, 2), - PLL_RATE(168000000, 56, 1, 1), - PLL_RATE(192000000, 64, 1, 1), - PLL_RATE(216000000, 72, 1, 1), - PLL_RATE(240000000, 80, 1, 1), - PLL_RATE(264000000, 88, 1, 1), - PLL_RATE(288000000, 96, 1, 1), - PLL_RATE(312000000, 52, 1, 2), - PLL_RATE(336000000, 56, 1, 2), - PLL_RATE(360000000, 60, 1, 2), - PLL_RATE(384000000, 64, 1, 2), - PLL_RATE(408000000, 68, 1, 2), - PLL_RATE(432000000, 72, 1, 2), - PLL_RATE(456000000, 76, 1, 2), - PLL_RATE(480000000, 80, 1, 2), - PLL_RATE(504000000, 84, 1, 2), - PLL_RATE(528000000, 88, 1, 2), - PLL_RATE(552000000, 92, 1, 2), - PLL_RATE(576000000, 96, 1, 2), - PLL_RATE(600000000, 50, 1, 1), - PLL_RATE(624000000, 52, 1, 1), - PLL_RATE(648000000, 54, 1, 1), - PLL_RATE(672000000, 56, 1, 1), - PLL_RATE(696000000, 58, 1, 1), - PLL_RATE(720000000, 60, 1, 1), - PLL_RATE(744000000, 62, 1, 1), - PLL_RATE(768000000, 64, 1, 1), - PLL_RATE(792000000, 66, 1, 1), - PLL_RATE(816000000, 68, 1, 1), - PLL_RATE(840000000, 70, 1, 1), - PLL_RATE(864000000, 72, 1, 1), - PLL_RATE(888000000, 74, 1, 1), - PLL_RATE(912000000, 76, 1, 1), - PLL_RATE(936000000, 78, 1, 1), - PLL_RATE(960000000, 80, 1, 1), - PLL_RATE(984000000, 82, 1, 1), - PLL_RATE(1008000000, 84, 1, 1), - PLL_RATE(1032000000, 86, 1, 1), - PLL_RATE(1056000000, 88, 1, 1), - PLL_RATE(1080000000, 90, 1, 1), - PLL_RATE(1104000000, 92, 1, 1), - PLL_RATE(1128000000, 94, 1, 1), - PLL_RATE(1152000000, 96, 1, 1), - PLL_RATE(1176000000, 98, 1, 1), - PLL_RATE(1200000000, 50, 1, 0), - PLL_RATE(1224000000, 51, 1, 0), - PLL_RATE(1248000000, 52, 1, 0), - PLL_RATE(1272000000, 53, 1, 0), - PLL_RATE(1296000000, 54, 1, 0), - PLL_RATE(1320000000, 55, 1, 0), - PLL_RATE(1344000000, 56, 1, 0), - PLL_RATE(1368000000, 57, 1, 0), - PLL_RATE(1392000000, 58, 1, 0), - PLL_RATE(1416000000, 59, 1, 0), - PLL_RATE(1440000000, 60, 1, 0), - PLL_RATE(1464000000, 61, 1, 0), - PLL_RATE(1488000000, 62, 1, 0), - PLL_RATE(1512000000, 63, 1, 0), - PLL_RATE(1536000000, 64, 1, 0), - PLL_RATE(1560000000, 65, 1, 0), - PLL_RATE(1584000000, 66, 1, 0), - PLL_RATE(1608000000, 67, 1, 0), - PLL_RATE(1632000000, 68, 1, 0), - PLL_RATE(1656000000, 68, 1, 0), - PLL_RATE(1680000000, 68, 1, 0), - PLL_RATE(1704000000, 68, 1, 0), - PLL_RATE(1728000000, 69, 1, 0), - PLL_RATE(1752000000, 69, 1, 0), - PLL_RATE(1776000000, 69, 1, 0), - PLL_RATE(1800000000, 69, 1, 0), - PLL_RATE(1824000000, 70, 1, 0), - PLL_RATE(1848000000, 70, 1, 0), - PLL_RATE(1872000000, 70, 1, 0), - PLL_RATE(1896000000, 70, 1, 0), - PLL_RATE(1920000000, 71, 1, 0), - PLL_RATE(1944000000, 71, 1, 0), - PLL_RATE(1968000000, 71, 1, 0), - PLL_RATE(1992000000, 71, 1, 0), - PLL_RATE(2016000000, 72, 1, 0), - PLL_RATE(2040000000, 72, 1, 0), - PLL_RATE(2064000000, 72, 1, 0), - PLL_RATE(2088000000, 72, 1, 0), - PLL_RATE(2112000000, 73, 1, 0), - { /* sentinel */ }, -}; - static const struct pll_rate_table gxbb_gp0_pll_rate_table[] = { PLL_RATE(96000000, 32, 1, 3), PLL_RATE(99000000, 33, 1, 3), @@ -278,23 +189,39 @@ static const struct pll_rate_table gxl_gp0_pll_rate_table[] = { { /* sentinel */ }, }; -static struct meson_clk_pll gxbb_fixed_pll = { - .m = { - .reg_off = HHI_MPLL_CNTL, - .shift = 0, - .width = 9, +static struct clk_regmap gxbb_fixed_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_MPLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_MPLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_MPLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_MPLL_CNTL2, + .shift = 0, + .width = 12, + }, + .l = { + .reg_off = HHI_MPLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_MPLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .n = { - .reg_off = HHI_MPLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_MPLL_CNTL, - .shift = 16, - .width = 2, - }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -304,33 +231,118 @@ static struct meson_clk_pll gxbb_fixed_pll = { }, }; -static struct meson_clk_pll gxbb_hdmi_pll = { - .m = { - .reg_off = HHI_HDMI_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_HDMI_PLL_CNTL, - .shift = 9, - .width = 5, +static struct clk_fixed_factor gxbb_hdmi_pll_pre_mult = { + .mult = 2, + .div = 1, + .hw.init = &(struct clk_init_data){ + .name = "hdmi_pll_pre_mult", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "xtal" }, + .num_parents = 1, }, - .frac = { - .reg_off = HHI_HDMI_PLL_CNTL2, - .shift = 0, - .width = 12, +}; + +static struct clk_regmap gxbb_hdmi_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .frac = { + .reg_off = HHI_HDMI_PLL_CNTL2, + .shift = 0, + .width = 12, + }, + .od = { + .reg_off = HHI_HDMI_PLL_CNTL2, + .shift = 16, + .width = 2, + }, + .od2 = { + .reg_off = HHI_HDMI_PLL_CNTL2, + .shift = 22, + .width = 2, + }, + .od3 = { + .reg_off = HHI_HDMI_PLL_CNTL2, + .shift = 18, + .width = 2, + }, + .l = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 28, + .width = 1, + }, }, - .od = { - .reg_off = HHI_HDMI_PLL_CNTL2, - .shift = 16, - .width = 2, + .hw.init = &(struct clk_init_data){ + .name = "hdmi_pll", + .ops = &meson_clk_pll_ro_ops, + .parent_names = (const char *[]){ "hdmi_pll_pre_mult" }, + .num_parents = 1, + .flags = CLK_GET_RATE_NOCACHE, }, - .od2 = { - .reg_off = HHI_HDMI_PLL_CNTL2, - .shift = 22, - .width = 2, +}; + +static struct clk_regmap gxl_hdmi_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .frac = { + /* + * On gxl, there is a register shift due to + * HHI_HDMI_PLL_CNTL1 which does not exist on gxbb, + * so we compute the register offset based on the PLL + * base to get it right + */ + .reg_off = HHI_HDMI_PLL_CNTL + 4, + .shift = 0, + .width = 12, + }, + .od = { + .reg_off = HHI_HDMI_PLL_CNTL + 8, + .shift = 21, + .width = 2, + }, + .od2 = { + .reg_off = HHI_HDMI_PLL_CNTL + 8, + .shift = 23, + .width = 2, + }, + .od3 = { + .reg_off = HHI_HDMI_PLL_CNTL + 8, + .shift = 19, + .width = 2, + }, + .l = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_HDMI_PLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "hdmi_pll", .ops = &meson_clk_pll_ro_ops, @@ -340,25 +352,34 @@ static struct meson_clk_pll gxbb_hdmi_pll = { }, }; -static struct meson_clk_pll gxbb_sys_pll = { - .m = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 9, - .width = 5, +static struct clk_regmap gxbb_sys_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 10, + .width = 2, + }, + .l = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .od = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 10, - .width = 2, - }, - .rate_table = sys_pll_rate_table, - .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", .ops = &meson_clk_pll_ro_ops, @@ -368,38 +389,44 @@ static struct meson_clk_pll gxbb_sys_pll = { }, }; -struct pll_params_table gxbb_gp0_params_table[] = { - PLL_PARAM(HHI_GP0_PLL_CNTL, 0x6a000228), - PLL_PARAM(HHI_GP0_PLL_CNTL2, 0x69c80000), - PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a5590c4), - PLL_PARAM(HHI_GP0_PLL_CNTL4, 0x0000500d), -}; - -static struct meson_clk_pll gxbb_gp0_pll = { - .m = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 16, - .width = 2, - }, - .params = { - .params_table = gxbb_gp0_params_table, - .params_count = ARRAY_SIZE(gxbb_gp0_params_table), - .no_init_reset = true, - .clear_reset_for_lock = true, +static const struct reg_sequence gxbb_gp0_init_regs[] = { + { .reg = HHI_GP0_PLL_CNTL2, .def = 0x69c80000 }, + { .reg = HHI_GP0_PLL_CNTL3, .def = 0x0a5590c4 }, + { .reg = HHI_GP0_PLL_CNTL4, .def = 0x0000500d }, + { .reg = HHI_GP0_PLL_CNTL, .def = 0x4a000228 }, +}; + +static struct clk_regmap gxbb_gp0_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .l = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 29, + .width = 1, + }, + .table = gxbb_gp0_pll_rate_table, + .init_regs = gxbb_gp0_init_regs, + .init_count = ARRAY_SIZE(gxbb_gp0_init_regs), }, - .rate_table = gxbb_gp0_pll_rate_table, - .rate_count = ARRAY_SIZE(gxbb_gp0_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, @@ -409,40 +436,51 @@ static struct meson_clk_pll gxbb_gp0_pll = { }, }; -struct pll_params_table gxl_gp0_params_table[] = { - PLL_PARAM(HHI_GP0_PLL_CNTL, 0x40010250), - PLL_PARAM(HHI_GP0_PLL_CNTL1, 0xc084a000), - PLL_PARAM(HHI_GP0_PLL_CNTL2, 0xb75020be), - PLL_PARAM(HHI_GP0_PLL_CNTL3, 0x0a59a288), - PLL_PARAM(HHI_GP0_PLL_CNTL4, 0xc000004d), - PLL_PARAM(HHI_GP0_PLL_CNTL5, 0x00078000), -}; - -static struct meson_clk_pll gxl_gp0_pll = { - .m = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_GP0_PLL_CNTL, - .shift = 16, - .width = 2, +static const struct reg_sequence gxl_gp0_init_regs[] = { + { .reg = HHI_GP0_PLL_CNTL1, .def = 0xc084b000 }, + { .reg = HHI_GP0_PLL_CNTL2, .def = 0xb75020be }, + { .reg = HHI_GP0_PLL_CNTL3, .def = 0x0a59a288 }, + { .reg = HHI_GP0_PLL_CNTL4, .def = 0xc000004d }, + { .reg = HHI_GP0_PLL_CNTL5, .def = 0x00078000 }, + { .reg = HHI_GP0_PLL_CNTL, .def = 0x40010250 }, +}; + +static struct clk_regmap gxl_gp0_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_GP0_PLL_CNTL1, + .shift = 0, + .width = 10, + }, + .l = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_GP0_PLL_CNTL, + .shift = 29, + .width = 1, + }, + .table = gxl_gp0_pll_rate_table, + .init_regs = gxl_gp0_init_regs, + .init_count = ARRAY_SIZE(gxl_gp0_init_regs), }, - .params = { - .params_table = gxl_gp0_params_table, - .params_count = ARRAY_SIZE(gxl_gp0_params_table), - .no_init_reset = true, - .reset_lock_loop = true, - }, - .rate_table = gxl_gp0_pll_rate_table, - .rate_count = ARRAY_SIZE(gxl_gp0_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "gp0_pll", .ops = &meson_clk_pll_ops, @@ -452,161 +490,267 @@ static struct meson_clk_pll gxl_gp0_pll = { }, }; -static struct clk_fixed_factor gxbb_fclk_div2 = { +static struct clk_fixed_factor gxbb_fclk_div2_div = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ - .name = "fclk_div2", + .name = "fclk_div2_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor gxbb_fclk_div3 = { +static struct clk_regmap gxbb_fclk_div2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 27, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div2_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor gxbb_fclk_div3_div = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ - .name = "fclk_div3", + .name = "fclk_div3_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor gxbb_fclk_div4 = { +static struct clk_regmap gxbb_fclk_div3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 28, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div3", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div3_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor gxbb_fclk_div4_div = { .mult = 1, .div = 4, .hw.init = &(struct clk_init_data){ - .name = "fclk_div4", + .name = "fclk_div4_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor gxbb_fclk_div5 = { +static struct clk_regmap gxbb_fclk_div4 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 29, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div4", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div4_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor gxbb_fclk_div5_div = { .mult = 1, .div = 5, .hw.init = &(struct clk_init_data){ - .name = "fclk_div5", + .name = "fclk_div5_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor gxbb_fclk_div7 = { +static struct clk_regmap gxbb_fclk_div5 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 30, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div5", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div5_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor gxbb_fclk_div7_div = { .mult = 1, .div = 7, .hw.init = &(struct clk_init_data){ - .name = "fclk_div7", + .name = "fclk_div7_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct meson_clk_mpll gxbb_mpll0 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 0, - .width = 14, +static struct clk_regmap gxbb_fclk_div7 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 31, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 15, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div7", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div7_div" }, + .num_parents = 1, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 16, - .width = 9, +}; + +static struct clk_regmap gxbb_mpll_prediv = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPLL_CNTL5, + .shift = 12, + .width = 1, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "mpll_prediv", + .ops = &clk_regmap_divider_ro_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, }, - .ssen = { - .reg_off = HHI_MPLL_CNTL, - .shift = 25, - .width = 1, +}; + +static struct clk_regmap gxbb_mpll0_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 16, + .width = 9, + }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll gxbb_mpll1 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 0, - .width = 14, - }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 15, - .width = 1, +static struct clk_regmap gxbb_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap gxbb_mpll1_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 16, + .width = 9, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll gxbb_mpll2 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 0, - .width = 14, - }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 15, - .width = 1, +static struct clk_regmap gxbb_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap gxbb_mpll2_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 16, + .width = 9, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -/* - * FIXME The legacy composite clocks (e.g. clk81) are both PLL post-dividers - * and should be modeled with their respective PLLs via the forthcoming - * coordinated clock rates feature - */ +static struct clk_regmap gxbb_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, + }, + .hw.init = &(struct clk_init_data){ + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; static u32 mux_table_clk81[] = { 0, 2, 3, 4, 5, 6, 7 }; static const char * const clk81_parent_names[] = { @@ -614,16 +758,16 @@ static const char * const clk81_parent_names[] = { "fclk_div3", "fclk_div5" }; -static struct clk_mux gxbb_mpeg_clk_sel = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .mask = 0x7, - .shift = 12, - .flags = CLK_MUX_READ_ONLY, - .table = mux_table_clk81, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mpeg_clk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MPEG_CLK_CNTL, + .mask = 0x7, + .shift = 12, + .table = mux_table_clk81, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", - .ops = &clk_mux_ro_ops, + .ops = &clk_regmap_mux_ro_ops, /* * bits 14:12 selects from 8 possible parents: * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2, @@ -631,72 +775,75 @@ static struct clk_mux gxbb_mpeg_clk_sel = { */ .parent_names = clk81_parent_names, .num_parents = ARRAY_SIZE(clk81_parent_names), - .flags = (CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED), }, }; -static struct clk_divider gxbb_mpeg_clk_div = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mpeg_clk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPEG_CLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ro_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), }, }; -/* the mother of dragons^W gates */ -static struct clk_gate gxbb_clk81 = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +/* the mother of dragons gates */ +static struct clk_regmap gxbb_clk81 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPEG_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "clk81", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), + .flags = CLK_IS_CRITICAL, }, }; -static struct clk_mux gxbb_sar_adc_clk_sel = { - .reg = (void *)HHI_SAR_CLK_CNTL, - .mask = 0x3, - .shift = 9, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sar_adc_clk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SAR_CLK_CNTL, + .mask = 0x3, + .shift = 9, + }, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* NOTE: The datasheet doesn't list the parents for bit 10 */ .parent_names = (const char *[]){ "xtal", "clk81", }, .num_parents = 2, }, }; -static struct clk_divider gxbb_sar_adc_clk_div = { - .reg = (void *)HHI_SAR_CLK_CNTL, - .shift = 0, - .width = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sar_adc_clk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SAR_CLK_CNTL, + .shift = 0, + .width = 8, + }, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sar_adc_clk_sel" }, .num_parents = 1, }, }; -static struct clk_gate gxbb_sar_adc_clk = { - .reg = (void *)HHI_SAR_CLK_CNTL, - .bit_idx = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sar_adc_clk = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SAR_CLK_CNTL, + .bit_idx = 8, + }, .hw.init = &(struct clk_init_data){ .name = "sar_adc_clk", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sar_adc_clk_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -708,21 +855,20 @@ static struct clk_gate gxbb_sar_adc_clk = { * muxed by a glitch-free switch. */ -static u32 mux_table_mali_0_1[] = {0, 1, 2, 3, 4, 5, 6, 7}; static const char * const gxbb_mali_0_1_parent_names[] = { "xtal", "gp0_pll", "mpll2", "mpll1", "fclk_div7", "fclk_div4", "fclk_div3", "fclk_div5" }; -static struct clk_mux gxbb_mali_0_sel = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .mask = 0x7, - .shift = 9, - .table = mux_table_mali_0_1, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MALI_CLK_CNTL, + .mask = 0x7, + .shift = 9, + }, .hw.init = &(struct clk_init_data){ .name = "mali_0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 10:9 selects from 8 possible parents: * xtal, gp0_pll, mpll2, mpll1, fclk_div7, @@ -734,42 +880,44 @@ static struct clk_mux gxbb_mali_0_sel = { }, }; -static struct clk_divider gxbb_mali_0_div = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MALI_CLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "mali_0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "mali_0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_NO_REPARENT, }, }; -static struct clk_gate gxbb_mali_0 = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .bit_idx = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MALI_CLK_CNTL, + .bit_idx = 8, + }, .hw.init = &(struct clk_init_data){ .name = "mali_0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mali_0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_mux gxbb_mali_1_sel = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .mask = 0x7, - .shift = 25, - .table = mux_table_mali_0_1, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_1_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MALI_CLK_CNTL, + .mask = 0x7, + .shift = 25, + }, .hw.init = &(struct clk_init_data){ .name = "mali_1_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 10:9 selects from 8 possible parents: * xtal, gp0_pll, mpll2, mpll1, fclk_div7, @@ -781,77 +929,79 @@ static struct clk_mux gxbb_mali_1_sel = { }, }; -static struct clk_divider gxbb_mali_1_div = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_1_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MALI_CLK_CNTL, + .shift = 16, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "mali_1_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "mali_1_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_NO_REPARENT, }, }; -static struct clk_gate gxbb_mali_1 = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .bit_idx = 24, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali_1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MALI_CLK_CNTL, + .bit_idx = 24, + }, .hw.init = &(struct clk_init_data){ .name = "mali_1", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mali_1_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static u32 mux_table_mali[] = {0, 1}; static const char * const gxbb_mali_parent_names[] = { "mali_0", "mali_1" }; -static struct clk_mux gxbb_mali = { - .reg = (void *)HHI_MALI_CLK_CNTL, - .mask = 1, - .shift = 31, - .table = mux_table_mali, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_mali = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MALI_CLK_CNTL, + .mask = 1, + .shift = 31, + }, .hw.init = &(struct clk_init_data){ .name = "mali", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = gxbb_mali_parent_names, .num_parents = 2, .flags = CLK_SET_RATE_NO_REPARENT, }, }; -static struct clk_mux gxbb_cts_amclk_sel = { - .reg = (void *) HHI_AUD_CLK_CNTL, - .mask = 0x3, - .shift = 9, - /* Default parent unknown (register reset value: 0) */ - .table = (u32[]){ 1, 2, 3 }, - .lock = &meson_clk_lock, - .hw.init = &(struct clk_init_data){ +static struct clk_regmap gxbb_cts_amclk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_AUD_CLK_CNTL, + .mask = 0x3, + .shift = 9, + .table = (u32[]){ 1, 2, 3 }, + }, + .hw.init = &(struct clk_init_data){ .name = "cts_amclk_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = (const char *[]){ "mpll0", "mpll1", "mpll2" }, .num_parents = 3, .flags = CLK_SET_RATE_PARENT, }, }; -static struct meson_clk_audio_divider gxbb_cts_amclk_div = { - .div = { - .reg_off = HHI_AUD_CLK_CNTL, - .shift = 0, - .width = 8, +static struct clk_regmap gxbb_cts_amclk_div = { + .data = &(struct meson_clk_audio_div_data){ + .div = { + .reg_off = HHI_AUD_CLK_CNTL, + .shift = 0, + .width = 8, + }, + .flags = CLK_DIVIDER_ROUND_CLOSEST, }, - .flags = CLK_DIVIDER_ROUND_CLOSEST, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "cts_amclk_div", .ops = &meson_clk_audio_divider_ops, @@ -861,71 +1011,75 @@ static struct meson_clk_audio_divider gxbb_cts_amclk_div = { }, }; -static struct clk_gate gxbb_cts_amclk = { - .reg = (void *) HHI_AUD_CLK_CNTL, - .bit_idx = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_cts_amclk = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_AUD_CLK_CNTL, + .bit_idx = 8, + }, .hw.init = &(struct clk_init_data){ .name = "cts_amclk", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "cts_amclk_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_mux gxbb_cts_mclk_i958_sel = { - .reg = (void *)HHI_AUD_CLK_CNTL2, - .mask = 0x3, - .shift = 25, - /* Default parent unknown (register reset value: 0) */ - .table = (u32[]){ 1, 2, 3 }, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_cts_mclk_i958_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_AUD_CLK_CNTL2, + .mask = 0x3, + .shift = 25, + .table = (u32[]){ 1, 2, 3 }, + }, .hw.init = &(struct clk_init_data) { .name = "cts_mclk_i958_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = (const char *[]){ "mpll0", "mpll1", "mpll2" }, .num_parents = 3, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider gxbb_cts_mclk_i958_div = { - .reg = (void *)HHI_AUD_CLK_CNTL2, - .shift = 16, - .width = 8, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap gxbb_cts_mclk_i958_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_AUD_CLK_CNTL2, + .shift = 16, + .width = 8, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "cts_mclk_i958_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "cts_mclk_i958_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_cts_mclk_i958 = { - .reg = (void *)HHI_AUD_CLK_CNTL2, - .bit_idx = 24, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_cts_mclk_i958 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_AUD_CLK_CNTL2, + .bit_idx = 24, + }, .hw.init = &(struct clk_init_data){ .name = "cts_mclk_i958", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "cts_mclk_i958_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_mux gxbb_cts_i958 = { - .reg = (void *)HHI_AUD_CLK_CNTL2, - .mask = 0x1, - .shift = 27, - .lock = &meson_clk_lock, - .hw.init = &(struct clk_init_data){ +static struct clk_regmap gxbb_cts_i958 = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_AUD_CLK_CNTL2, + .mask = 0x1, + .shift = 27, + }, + .hw.init = &(struct clk_init_data){ .name = "cts_i958", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = (const char *[]){ "cts_amclk", "cts_mclk_i958" }, .num_parents = 2, /* @@ -936,27 +1090,29 @@ static struct clk_mux gxbb_cts_i958 = { }, }; -static struct clk_divider gxbb_32k_clk_div = { - .reg = (void *)HHI_32K_CLK_CNTL, - .shift = 0, - .width = 14, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_32k_clk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_32K_CLK_CNTL, + .shift = 0, + .width = 14, + }, .hw.init = &(struct clk_init_data){ .name = "32k_clk_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "32k_clk_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_DIVIDER_ROUND_CLOSEST, }, }; -static struct clk_gate gxbb_32k_clk = { - .reg = (void *)HHI_32K_CLK_CNTL, - .bit_idx = 15, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_32k_clk = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_32K_CLK_CNTL, + .bit_idx = 15, + }, .hw.init = &(struct clk_init_data){ .name = "32k_clk", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "32k_clk_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -967,14 +1123,15 @@ static const char * const gxbb_32k_clk_parent_names[] = { "xtal", "cts_slow_oscin", "fclk_div3", "fclk_div5" }; -static struct clk_mux gxbb_32k_clk_sel = { - .reg = (void *)HHI_32K_CLK_CNTL, - .mask = 0x3, - .shift = 16, - .lock = &meson_clk_lock, - .hw.init = &(struct clk_init_data){ +static struct clk_regmap gxbb_32k_clk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_32K_CLK_CNTL, + .mask = 0x3, + .shift = 16, + }, + .hw.init = &(struct clk_init_data){ .name = "32k_clk_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = gxbb_32k_clk_parent_names, .num_parents = 4, .flags = CLK_SET_RATE_PARENT, @@ -993,42 +1150,45 @@ static const char * const gxbb_sd_emmc_clk0_parent_names[] = { }; /* SDIO clock */ -static struct clk_mux gxbb_sd_emmc_a_clk0_sel = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .mask = 0x7, - .shift = 9, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_a_clk0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .mask = 0x7, + .shift = 9, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_a_clk0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = gxbb_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider gxbb_sd_emmc_a_clk0_div = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap gxbb_sd_emmc_a_clk0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .shift = 0, + .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_a_clk0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_a_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_sd_emmc_a_clk0 = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_a_clk0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_a_clk0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_a_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -1036,42 +1196,45 @@ static struct clk_gate gxbb_sd_emmc_a_clk0 = { }; /* SDcard clock */ -static struct clk_mux gxbb_sd_emmc_b_clk0_sel = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .mask = 0x7, - .shift = 25, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_b_clk0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .mask = 0x7, + .shift = 25, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = gxbb_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider gxbb_sd_emmc_b_clk0_div = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap gxbb_sd_emmc_b_clk0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .shift = 16, + .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_b_clk0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_sd_emmc_b_clk0 = { - .reg = (void *)HHI_SD_EMMC_CLK_CNTL, - .bit_idx = 23, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_b_clk0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_SD_EMMC_CLK_CNTL, + .bit_idx = 23, + }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_b_clk0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_b_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -1079,42 +1242,45 @@ static struct clk_gate gxbb_sd_emmc_b_clk0 = { }; /* EMMC/NAND clock */ -static struct clk_mux gxbb_sd_emmc_c_clk0_sel = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .mask = 0x7, - .shift = 9, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_c_clk0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_NAND_CLK_CNTL, + .mask = 0x7, + .shift = 9, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, .parent_names = gxbb_sd_emmc_clk0_parent_names, .num_parents = ARRAY_SIZE(gxbb_sd_emmc_clk0_parent_names), .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_divider gxbb_sd_emmc_c_clk0_div = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, - .flags = CLK_DIVIDER_ROUND_CLOSEST, +static struct clk_regmap gxbb_sd_emmc_c_clk0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_NAND_CLK_CNTL, + .shift = 0, + .width = 7, + .flags = CLK_DIVIDER_ROUND_CLOSEST, + }, .hw.init = &(struct clk_init_data) { .name = "sd_emmc_c_clk0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_sd_emmc_c_clk0 = { - .reg = (void *)HHI_NAND_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_sd_emmc_c_clk0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_NAND_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "sd_emmc_c_clk0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "sd_emmc_c_clk0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -1123,20 +1289,19 @@ static struct clk_gate gxbb_sd_emmc_c_clk0 = { /* VPU Clock */ -static u32 mux_table_vpu[] = {0, 1, 2, 3}; static const char * const gxbb_vpu_parent_names[] = { "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7" }; -static struct clk_mux gxbb_vpu_0_sel = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .mask = 0x3, - .shift = 9, - .lock = &meson_clk_lock, - .table = mux_table_vpu, +static struct clk_regmap gxbb_vpu_0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VPU_CLK_CNTL, + .mask = 0x3, + .shift = 9, + }, .hw.init = &(struct clk_init_data){ .name = "vpu_0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 9:10 selects from 4 possible parents: * fclk_div4, fclk_div3, fclk_div5, fclk_div7, @@ -1147,42 +1312,44 @@ static struct clk_mux gxbb_vpu_0_sel = { }, }; -static struct clk_divider gxbb_vpu_0_div = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vpu_0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_VPU_CLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "vpu_0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "vpu_0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_vpu_0 = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .bit_idx = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vpu_0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VPU_CLK_CNTL, + .bit_idx = 8, + }, .hw.init = &(struct clk_init_data) { .name = "vpu_0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "vpu_0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, }, }; -static struct clk_mux gxbb_vpu_1_sel = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .mask = 0x3, - .shift = 25, - .lock = &meson_clk_lock, - .table = mux_table_vpu, +static struct clk_regmap gxbb_vpu_1_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VPU_CLK_CNTL, + .mask = 0x3, + .shift = 25, + }, .hw.init = &(struct clk_init_data){ .name = "vpu_1_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 25:26 selects from 4 possible parents: * fclk_div4, fclk_div3, fclk_div5, fclk_div7, @@ -1193,41 +1360,44 @@ static struct clk_mux gxbb_vpu_1_sel = { }, }; -static struct clk_divider gxbb_vpu_1_div = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vpu_1_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_VPU_CLK_CNTL, + .shift = 16, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "vpu_1_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "vpu_1_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_vpu_1 = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .bit_idx = 24, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vpu_1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VPU_CLK_CNTL, + .bit_idx = 24, + }, .hw.init = &(struct clk_init_data) { .name = "vpu_1", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "vpu_1_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, }, }; -static struct clk_mux gxbb_vpu = { - .reg = (void *)HHI_VPU_CLK_CNTL, - .mask = 1, - .shift = 31, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vpu = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VPU_CLK_CNTL, + .mask = 1, + .shift = 31, + }, .hw.init = &(struct clk_init_data){ .name = "vpu", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bit 31 selects from 2 possible parents: * vpu_0 or vpu_1 @@ -1240,20 +1410,19 @@ static struct clk_mux gxbb_vpu = { /* VAPB Clock */ -static u32 mux_table_vapb[] = {0, 1, 2, 3}; static const char * const gxbb_vapb_parent_names[] = { "fclk_div4", "fclk_div3", "fclk_div5", "fclk_div7" }; -static struct clk_mux gxbb_vapb_0_sel = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .mask = 0x3, - .shift = 9, - .lock = &meson_clk_lock, - .table = mux_table_vapb, +static struct clk_regmap gxbb_vapb_0_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VAPBCLK_CNTL, + .mask = 0x3, + .shift = 9, + }, .hw.init = &(struct clk_init_data){ .name = "vapb_0_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 9:10 selects from 4 possible parents: * fclk_div4, fclk_div3, fclk_div5, fclk_div7, @@ -1264,42 +1433,44 @@ static struct clk_mux gxbb_vapb_0_sel = { }, }; -static struct clk_divider gxbb_vapb_0_div = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb_0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_VAPBCLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "vapb_0_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "vapb_0_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_vapb_0 = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .bit_idx = 8, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb_0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VAPBCLK_CNTL, + .bit_idx = 8, + }, .hw.init = &(struct clk_init_data) { .name = "vapb_0", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "vapb_0_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, }, }; -static struct clk_mux gxbb_vapb_1_sel = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .mask = 0x3, - .shift = 25, - .lock = &meson_clk_lock, - .table = mux_table_vapb, +static struct clk_regmap gxbb_vapb_1_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VAPBCLK_CNTL, + .mask = 0x3, + .shift = 25, + }, .hw.init = &(struct clk_init_data){ .name = "vapb_1_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bits 25:26 selects from 4 possible parents: * fclk_div4, fclk_div3, fclk_div5, fclk_div7, @@ -1310,41 +1481,44 @@ static struct clk_mux gxbb_vapb_1_sel = { }, }; -static struct clk_divider gxbb_vapb_1_div = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .shift = 16, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb_1_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_VAPBCLK_CNTL, + .shift = 16, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "vapb_1_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ops, .parent_names = (const char *[]){ "vapb_1_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_gate gxbb_vapb_1 = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .bit_idx = 24, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb_1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VAPBCLK_CNTL, + .bit_idx = 24, + }, .hw.init = &(struct clk_init_data) { .name = "vapb_1", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "vapb_1_div" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, }, }; -static struct clk_mux gxbb_vapb_sel = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .mask = 1, - .shift = 31, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_VAPBCLK_CNTL, + .mask = 1, + .shift = 31, + }, .hw.init = &(struct clk_init_data){ .name = "vapb_sel", - .ops = &clk_mux_ops, + .ops = &clk_regmap_mux_ops, /* * bit 31 selects from 2 possible parents: * vapb_0 or vapb_1 @@ -1355,13 +1529,14 @@ static struct clk_mux gxbb_vapb_sel = { }, }; -static struct clk_gate gxbb_vapb = { - .reg = (void *)HHI_VAPBCLK_CNTL, - .bit_idx = 30, - .lock = &meson_clk_lock, +static struct clk_regmap gxbb_vapb = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_VAPBCLK_CNTL, + .bit_idx = 30, + }, .hw.init = &(struct clk_init_data) { .name = "vapb", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "vapb_sel" }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, @@ -1601,6 +1776,16 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = { [CLKID_VAPB_1] = &gxbb_vapb_1.hw, [CLKID_VAPB_SEL] = &gxbb_vapb_sel.hw, [CLKID_VAPB] = &gxbb_vapb.hw, + [CLKID_HDMI_PLL_PRE_MULT] = &gxbb_hdmi_pll_pre_mult.hw, + [CLKID_MPLL0_DIV] = &gxbb_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &gxbb_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &gxbb_mpll2_div.hw, + [CLKID_MPLL_PREDIV] = &gxbb_mpll_prediv.hw, + [CLKID_FCLK_DIV2_DIV] = &gxbb_fclk_div2_div.hw, + [CLKID_FCLK_DIV3_DIV] = &gxbb_fclk_div3_div.hw, + [CLKID_FCLK_DIV4_DIV] = &gxbb_fclk_div4_div.hw, + [CLKID_FCLK_DIV5_DIV] = &gxbb_fclk_div5_div.hw, + [CLKID_FCLK_DIV7_DIV] = &gxbb_fclk_div7_div.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -1609,7 +1794,7 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = { static struct clk_hw_onecell_data gxl_hw_onecell_data = { .hws = { [CLKID_SYS_PLL] = &gxbb_sys_pll.hw, - [CLKID_HDMI_PLL] = &gxbb_hdmi_pll.hw, + [CLKID_HDMI_PLL] = &gxl_hdmi_pll.hw, [CLKID_FIXED_PLL] = &gxbb_fixed_pll.hw, [CLKID_FCLK_DIV2] = &gxbb_fclk_div2.hw, [CLKID_FCLK_DIV3] = &gxbb_fclk_div3.hw, @@ -1748,34 +1933,31 @@ static struct clk_hw_onecell_data gxl_hw_onecell_data = { [CLKID_VAPB_1] = &gxbb_vapb_1.hw, [CLKID_VAPB_SEL] = &gxbb_vapb_sel.hw, [CLKID_VAPB] = &gxbb_vapb.hw, + [CLKID_MPLL0_DIV] = &gxbb_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &gxbb_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &gxbb_mpll2_div.hw, + [CLKID_MPLL_PREDIV] = &gxbb_mpll_prediv.hw, + [CLKID_FCLK_DIV2_DIV] = &gxbb_fclk_div2_div.hw, + [CLKID_FCLK_DIV3_DIV] = &gxbb_fclk_div3_div.hw, + [CLKID_FCLK_DIV4_DIV] = &gxbb_fclk_div4_div.hw, + [CLKID_FCLK_DIV5_DIV] = &gxbb_fclk_div5_div.hw, + [CLKID_FCLK_DIV7_DIV] = &gxbb_fclk_div7_div.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, }; -/* Convenience tables to populate base addresses in .probe */ - -static struct meson_clk_pll *const gxbb_clk_plls[] = { - &gxbb_fixed_pll, - &gxbb_hdmi_pll, - &gxbb_sys_pll, +static struct clk_regmap *const gxbb_clk_regmaps[] = { &gxbb_gp0_pll, -}; - -static struct meson_clk_pll *const gxl_clk_plls[] = { - &gxbb_fixed_pll, &gxbb_hdmi_pll, - &gxbb_sys_pll, - &gxl_gp0_pll, }; -static struct meson_clk_mpll *const gxbb_clk_mplls[] = { - &gxbb_mpll0, - &gxbb_mpll1, - &gxbb_mpll2, +static struct clk_regmap *const gxl_clk_regmaps[] = { + &gxl_gp0_pll, + &gxl_hdmi_pll, }; -static struct clk_gate *const gxbb_clk_gates[] = { +static struct clk_regmap *const gx_clk_regmaps[] = { &gxbb_clk81, &gxbb_ddr, &gxbb_dos, @@ -1872,9 +2054,19 @@ static struct clk_gate *const gxbb_clk_gates[] = { &gxbb_vapb_0, &gxbb_vapb_1, &gxbb_vapb, -}; - -static struct clk_mux *const gxbb_clk_muxes[] = { + &gxbb_mpeg_clk_div, + &gxbb_sar_adc_clk_div, + &gxbb_mali_0_div, + &gxbb_mali_1_div, + &gxbb_cts_mclk_i958_div, + &gxbb_32k_clk_div, + &gxbb_sd_emmc_a_clk0_div, + &gxbb_sd_emmc_b_clk0_div, + &gxbb_sd_emmc_c_clk0_div, + &gxbb_vpu_0_div, + &gxbb_vpu_1_div, + &gxbb_vapb_0_div, + &gxbb_vapb_1_div, &gxbb_mpeg_clk_sel, &gxbb_sar_adc_clk_sel, &gxbb_mali_0_sel, @@ -1893,73 +2085,38 @@ static struct clk_mux *const gxbb_clk_muxes[] = { &gxbb_vapb_0_sel, &gxbb_vapb_1_sel, &gxbb_vapb_sel, -}; - -static struct clk_divider *const gxbb_clk_dividers[] = { - &gxbb_mpeg_clk_div, - &gxbb_sar_adc_clk_div, - &gxbb_mali_0_div, - &gxbb_mali_1_div, - &gxbb_cts_mclk_i958_div, - &gxbb_32k_clk_div, - &gxbb_sd_emmc_a_clk0_div, - &gxbb_sd_emmc_b_clk0_div, - &gxbb_sd_emmc_c_clk0_div, - &gxbb_vpu_0_div, - &gxbb_vpu_1_div, - &gxbb_vapb_0_div, - &gxbb_vapb_1_div, -}; - -static struct meson_clk_audio_divider *const gxbb_audio_dividers[] = { + &gxbb_mpll0, + &gxbb_mpll1, + &gxbb_mpll2, + &gxbb_mpll0_div, + &gxbb_mpll1_div, + &gxbb_mpll2_div, &gxbb_cts_amclk_div, + &gxbb_fixed_pll, + &gxbb_sys_pll, + &gxbb_mpll_prediv, + &gxbb_fclk_div2, + &gxbb_fclk_div3, + &gxbb_fclk_div4, + &gxbb_fclk_div5, + &gxbb_fclk_div7, }; struct clkc_data { - struct clk_gate *const *clk_gates; - unsigned int clk_gates_count; - struct meson_clk_mpll *const *clk_mplls; - unsigned int clk_mplls_count; - struct meson_clk_pll *const *clk_plls; - unsigned int clk_plls_count; - struct clk_mux *const *clk_muxes; - unsigned int clk_muxes_count; - struct clk_divider *const *clk_dividers; - unsigned int clk_dividers_count; - struct meson_clk_audio_divider *const *clk_audio_dividers; - unsigned int clk_audio_dividers_count; + struct clk_regmap *const *regmap_clks; + unsigned int regmap_clks_count; struct clk_hw_onecell_data *hw_onecell_data; }; static const struct clkc_data gxbb_clkc_data = { - .clk_gates = gxbb_clk_gates, - .clk_gates_count = ARRAY_SIZE(gxbb_clk_gates), - .clk_mplls = gxbb_clk_mplls, - .clk_mplls_count = ARRAY_SIZE(gxbb_clk_mplls), - .clk_plls = gxbb_clk_plls, - .clk_plls_count = ARRAY_SIZE(gxbb_clk_plls), - .clk_muxes = gxbb_clk_muxes, - .clk_muxes_count = ARRAY_SIZE(gxbb_clk_muxes), - .clk_dividers = gxbb_clk_dividers, - .clk_dividers_count = ARRAY_SIZE(gxbb_clk_dividers), - .clk_audio_dividers = gxbb_audio_dividers, - .clk_audio_dividers_count = ARRAY_SIZE(gxbb_audio_dividers), + .regmap_clks = gxbb_clk_regmaps, + .regmap_clks_count = ARRAY_SIZE(gxbb_clk_regmaps), .hw_onecell_data = &gxbb_hw_onecell_data, }; static const struct clkc_data gxl_clkc_data = { - .clk_gates = gxbb_clk_gates, - .clk_gates_count = ARRAY_SIZE(gxbb_clk_gates), - .clk_mplls = gxbb_clk_mplls, - .clk_mplls_count = ARRAY_SIZE(gxbb_clk_mplls), - .clk_plls = gxl_clk_plls, - .clk_plls_count = ARRAY_SIZE(gxl_clk_plls), - .clk_muxes = gxbb_clk_muxes, - .clk_muxes_count = ARRAY_SIZE(gxbb_clk_muxes), - .clk_dividers = gxbb_clk_dividers, - .clk_dividers_count = ARRAY_SIZE(gxbb_clk_dividers), - .clk_audio_dividers = gxbb_audio_dividers, - .clk_audio_dividers_count = ARRAY_SIZE(gxbb_audio_dividers), + .regmap_clks = gxl_clk_regmaps, + .regmap_clks_count = ARRAY_SIZE(gxl_clk_regmaps), .hw_onecell_data = &gxl_hw_onecell_data, }; @@ -1969,71 +2126,79 @@ static const struct of_device_id clkc_match_table[] = { {}, }; +static const struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + static int gxbb_clkc_probe(struct platform_device *pdev) { const struct clkc_data *clkc_data; + struct resource *res; void __iomem *clk_base; - int ret, clkid, i; + struct regmap *map; + int ret, i; struct device *dev = &pdev->dev; - clkc_data = of_device_get_match_data(&pdev->dev); + clkc_data = of_device_get_match_data(dev); if (!clkc_data) return -EINVAL; - /* Generic clocks and PLLs */ - clk_base = of_iomap(dev->of_node, 0); - if (!clk_base) { - pr_err("%s: Unable to map clk base\n", __func__); - return -ENXIO; - } - - /* Populate base address for PLLs */ - for (i = 0; i < clkc_data->clk_plls_count; i++) - clkc_data->clk_plls[i]->base = clk_base; - - /* Populate base address for MPLLs */ - for (i = 0; i < clkc_data->clk_mplls_count; i++) - clkc_data->clk_mplls[i]->base = clk_base; + /* Get the hhi system controller node if available */ + map = syscon_node_to_regmap(of_get_parent(dev->of_node)); + if (IS_ERR(map)) { + dev_err(dev, + "failed to get HHI regmap - Trying obsolete regs\n"); - /* Populate base address for gates */ - for (i = 0; i < clkc_data->clk_gates_count; i++) - clkc_data->clk_gates[i]->reg = clk_base + - (u64)clkc_data->clk_gates[i]->reg; - - /* Populate base address for muxes */ - for (i = 0; i < clkc_data->clk_muxes_count; i++) - clkc_data->clk_muxes[i]->reg = clk_base + - (u64)clkc_data->clk_muxes[i]->reg; + /* + * FIXME: HHI registers should be accessed through + * the appropriate system controller. This is required because + * there is more than just clocks in this register space + * + * This fallback method is only provided temporarily until + * all the platform DTs are properly using the syscon node + */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; + + clk_base = devm_ioremap(dev, res->start, resource_size(res)); + if (!clk_base) { + dev_err(dev, "Unable to map clk base\n"); + return -ENXIO; + } + + map = devm_regmap_init_mmio(dev, clk_base, + &clkc_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); + } - /* Populate base address for dividers */ - for (i = 0; i < clkc_data->clk_dividers_count; i++) - clkc_data->clk_dividers[i]->reg = clk_base + - (u64)clkc_data->clk_dividers[i]->reg; + /* Populate regmap for the common regmap backed clocks */ + for (i = 0; i < ARRAY_SIZE(gx_clk_regmaps); i++) + gx_clk_regmaps[i]->map = map; - /* Populate base address for the audio dividers */ - for (i = 0; i < clkc_data->clk_audio_dividers_count; i++) - clkc_data->clk_audio_dividers[i]->base = clk_base; + /* Populate regmap for soc specific clocks */ + for (i = 0; i < clkc_data->regmap_clks_count; i++) + clkc_data->regmap_clks[i]->map = map; - /* - * register all clks - */ - for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) { + /* Register all clks */ + for (i = 0; i < clkc_data->hw_onecell_data->num; i++) { /* array might be sparse */ - if (!clkc_data->hw_onecell_data->hws[clkid]) + if (!clkc_data->hw_onecell_data->hws[i]) continue; ret = devm_clk_hw_register(dev, - clkc_data->hw_onecell_data->hws[clkid]); - if (ret) - goto iounmap; + clkc_data->hw_onecell_data->hws[i]); + if (ret) { + dev_err(dev, "Clock registration failed\n"); + return ret; + } } - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, - clkc_data->hw_onecell_data); - -iounmap: - iounmap(clk_base); - return ret; + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + clkc_data->hw_onecell_data); } static struct platform_driver gxbb_driver = { diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h index aee6fbba2004..9febf3f03739 100644 --- a/drivers/clk/meson/gxbb.h +++ b/drivers/clk/meson/gxbb.h @@ -194,8 +194,18 @@ #define CLKID_VPU_1_DIV 130 #define CLKID_VAPB_0_DIV 134 #define CLKID_VAPB_1_DIV 137 - -#define NR_CLKS 141 +#define CLKID_HDMI_PLL_PRE_MULT 141 +#define CLKID_MPLL0_DIV 142 +#define CLKID_MPLL1_DIV 143 +#define CLKID_MPLL2_DIV 144 +#define CLKID_MPLL_PREDIV 145 +#define CLKID_FCLK_DIV2_DIV 146 +#define CLKID_FCLK_DIV3_DIV 147 +#define CLKID_FCLK_DIV4_DIV 148 +#define CLKID_FCLK_DIV5_DIV 149 +#define CLKID_FCLK_DIV7_DIV 150 + +#define NR_CLKS 151 /* include the CLKIDs that have been made part of the DT binding */ #include <dt-bindings/clock/gxbb-clkc.h> diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index 3ffea80c1308..cc2992493e0b 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -23,14 +23,16 @@ #include <linux/clk.h> #include <linux/clk-provider.h> +#include <linux/init.h> #include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/reset-controller.h> #include <linux/slab.h> -#include <linux/init.h> +#include <linux/regmap.h> #include "clkc.h" #include "meson8b.h" +#include "clk-regmap.h" static DEFINE_SPINLOCK(meson_clk_lock); @@ -97,20 +99,6 @@ static const struct pll_rate_table sys_pll_rate_table[] = { { /* sentinel */ }, }; -static const struct clk_div_table cpu_div_table[] = { - { .val = 1, .div = 1 }, - { .val = 2, .div = 2 }, - { .val = 3, .div = 3 }, - { .val = 2, .div = 4 }, - { .val = 3, .div = 6 }, - { .val = 4, .div = 8 }, - { .val = 5, .div = 10 }, - { .val = 6, .div = 12 }, - { .val = 7, .div = 14 }, - { .val = 8, .div = 16 }, - { /* sentinel */ }, -}; - static struct clk_fixed_rate meson8b_xtal = { .fixed_rate = 24000000, .hw.init = &(struct clk_init_data){ @@ -120,23 +108,39 @@ static struct clk_fixed_rate meson8b_xtal = { }, }; -static struct meson_clk_pll meson8b_fixed_pll = { - .m = { - .reg_off = HHI_MPLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_MPLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_MPLL_CNTL, - .shift = 16, - .width = 2, +static struct clk_regmap meson8b_fixed_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_MPLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_MPLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_MPLL_CNTL, + .shift = 16, + .width = 2, + }, + .frac = { + .reg_off = HHI_MPLL_CNTL2, + .shift = 0, + .width = 12, + }, + .l = { + .reg_off = HHI_MPLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_MPLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "fixed_pll", .ops = &meson_clk_pll_ro_ops, @@ -146,23 +150,34 @@ static struct meson_clk_pll meson8b_fixed_pll = { }, }; -static struct meson_clk_pll meson8b_vid_pll = { - .m = { - .reg_off = HHI_VID_PLL_CNTL, - .shift = 0, - .width = 9, +static struct clk_regmap meson8b_vid_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_VID_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_VID_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_VID_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .l = { + .reg_off = HHI_VID_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_VID_PLL_CNTL, + .shift = 29, + .width = 1, + }, }, - .n = { - .reg_off = HHI_VID_PLL_CNTL, - .shift = 9, - .width = 5, - }, - .od = { - .reg_off = HHI_VID_PLL_CNTL, - .shift = 16, - .width = 2, - }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "vid_pll", .ops = &meson_clk_pll_ro_ops, @@ -172,213 +187,317 @@ static struct meson_clk_pll meson8b_vid_pll = { }, }; -static struct meson_clk_pll meson8b_sys_pll = { - .m = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 0, - .width = 9, - }, - .n = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 9, - .width = 5, +static struct clk_regmap meson8b_sys_pll = { + .data = &(struct meson_clk_pll_data){ + .m = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 0, + .width = 9, + }, + .n = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 9, + .width = 5, + }, + .od = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 16, + .width = 2, + }, + .l = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 31, + .width = 1, + }, + .rst = { + .reg_off = HHI_SYS_PLL_CNTL, + .shift = 29, + .width = 1, + }, + .table = sys_pll_rate_table, }, - .od = { - .reg_off = HHI_SYS_PLL_CNTL, - .shift = 16, - .width = 2, - }, - .rate_table = sys_pll_rate_table, - .rate_count = ARRAY_SIZE(sys_pll_rate_table), - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ .name = "sys_pll", - .ops = &meson_clk_pll_ops, + .ops = &meson_clk_pll_ro_ops, .parent_names = (const char *[]){ "xtal" }, .num_parents = 1, .flags = CLK_GET_RATE_NOCACHE, }, }; -static struct clk_fixed_factor meson8b_fclk_div2 = { +static struct clk_fixed_factor meson8b_fclk_div2_div = { .mult = 1, .div = 2, .hw.init = &(struct clk_init_data){ - .name = "fclk_div2", + .name = "fclk_div2_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor meson8b_fclk_div3 = { +static struct clk_regmap meson8b_fclk_div2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 27, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div2_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor meson8b_fclk_div3_div = { .mult = 1, .div = 3, .hw.init = &(struct clk_init_data){ - .name = "fclk_div3", + .name = "fclk_div_div3", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor meson8b_fclk_div4 = { +static struct clk_regmap meson8b_fclk_div3 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 28, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div3", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div3_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor meson8b_fclk_div4_div = { .mult = 1, .div = 4, .hw.init = &(struct clk_init_data){ - .name = "fclk_div4", + .name = "fclk_div4_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor meson8b_fclk_div5 = { +static struct clk_regmap meson8b_fclk_div4 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 29, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div4", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div4_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor meson8b_fclk_div5_div = { .mult = 1, .div = 5, .hw.init = &(struct clk_init_data){ - .name = "fclk_div5", + .name = "fclk_div5_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct clk_fixed_factor meson8b_fclk_div7 = { +static struct clk_regmap meson8b_fclk_div5 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 30, + }, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div5", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div5_div" }, + .num_parents = 1, + }, +}; + +static struct clk_fixed_factor meson8b_fclk_div7_div = { .mult = 1, .div = 7, .hw.init = &(struct clk_init_data){ - .name = "fclk_div7", + .name = "fclk_div7_div", .ops = &clk_fixed_factor_ops, .parent_names = (const char *[]){ "fixed_pll" }, .num_parents = 1, }, }; -static struct meson_clk_mpll meson8b_mpll0 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 0, - .width = 14, +static struct clk_regmap meson8b_fclk_div7 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL6, + .bit_idx = 31, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 15, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "fclk_div7", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "fclk_div7_div" }, + .num_parents = 1, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 16, - .width = 9, +}; + +static struct clk_regmap meson8b_mpll_prediv = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPLL_CNTL5, + .shift = 12, + .width = 1, }, - .en = { - .reg_off = HHI_MPLL_CNTL7, - .shift = 14, - .width = 1, + .hw.init = &(struct clk_init_data){ + .name = "mpll_prediv", + .ops = &clk_regmap_divider_ro_ops, + .parent_names = (const char *[]){ "fixed_pll" }, + .num_parents = 1, }, - .ssen = { - .reg_off = HHI_MPLL_CNTL, - .shift = 25, - .width = 1, +}; + +static struct clk_regmap meson8b_mpll0_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL7, + .shift = 16, + .width = 9, + }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll0", + .name = "mpll0_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll meson8b_mpll1 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 0, - .width = 14, +static struct clk_regmap meson8b_mpll0 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL7, + .bit_idx = 14, }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 15, - .width = 1, - }, - .n2 = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll0", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll0_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL8, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap meson8b_mpll1_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL8, + .shift = 16, + .width = 9, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll1", + .name = "mpll1_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -static struct meson_clk_mpll meson8b_mpll2 = { - .sdm = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 0, - .width = 14, - }, - .sdm_en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 15, - .width = 1, +static struct clk_regmap meson8b_mpll1 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL8, + .bit_idx = 14, }, - .n2 = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 16, - .width = 9, + .hw.init = &(struct clk_init_data){ + .name = "mpll1", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll1_div" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, - .en = { - .reg_off = HHI_MPLL_CNTL9, - .shift = 14, - .width = 1, +}; + +static struct clk_regmap meson8b_mpll2_div = { + .data = &(struct meson_clk_mpll_data){ + .sdm = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 0, + .width = 14, + }, + .sdm_en = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 15, + .width = 1, + }, + .n2 = { + .reg_off = HHI_MPLL_CNTL9, + .shift = 16, + .width = 9, + }, + .lock = &meson_clk_lock, }, - .lock = &meson_clk_lock, .hw.init = &(struct clk_init_data){ - .name = "mpll2", + .name = "mpll2_div", .ops = &meson_clk_mpll_ops, - .parent_names = (const char *[]){ "fixed_pll" }, + .parent_names = (const char *[]){ "mpll_prediv" }, .num_parents = 1, }, }; -/* - * FIXME cpu clocks and the legacy composite clocks (e.g. clk81) are both PLL - * post-dividers and should be modeled with their respective PLLs via the - * forthcoming coordinated clock rates feature - */ -static struct meson_clk_cpu meson8b_cpu_clk = { - .reg_off = HHI_SYS_CPU_CLK_CNTL1, - .div_table = cpu_div_table, - .clk_nb.notifier_call = meson_clk_cpu_notifier_cb, +static struct clk_regmap meson8b_mpll2 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPLL_CNTL9, + .bit_idx = 14, + }, .hw.init = &(struct clk_init_data){ - .name = "cpu_clk", - .ops = &meson_clk_cpu_ops, - .parent_names = (const char *[]){ "sys_pll" }, + .name = "mpll2", + .ops = &clk_regmap_gate_ops, + .parent_names = (const char *[]){ "mpll2_div" }, .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, }, }; static u32 mux_table_clk81[] = { 6, 5, 7 }; - -struct clk_mux meson8b_mpeg_clk_sel = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .mask = 0x7, - .shift = 12, - .flags = CLK_MUX_READ_ONLY, - .table = mux_table_clk81, - .lock = &meson_clk_lock, +static struct clk_regmap meson8b_mpeg_clk_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_MPEG_CLK_CNTL, + .mask = 0x7, + .shift = 12, + .table = mux_table_clk81, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_sel", - .ops = &clk_mux_ro_ops, + .ops = &clk_regmap_mux_ro_ops, /* * FIXME bits 14:12 selects from 8 possible parents: * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2, @@ -387,34 +506,136 @@ struct clk_mux meson8b_mpeg_clk_sel = { .parent_names = (const char *[]){ "fclk_div3", "fclk_div4", "fclk_div5" }, .num_parents = 3, - .flags = (CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED), }, }; -struct clk_divider meson8b_mpeg_clk_div = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .shift = 0, - .width = 7, - .lock = &meson_clk_lock, +static struct clk_regmap meson8b_mpeg_clk_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_MPEG_CLK_CNTL, + .shift = 0, + .width = 7, + }, .hw.init = &(struct clk_init_data){ .name = "mpeg_clk_div", - .ops = &clk_divider_ops, + .ops = &clk_regmap_divider_ro_ops, .parent_names = (const char *[]){ "mpeg_clk_sel" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), }, }; -struct clk_gate meson8b_clk81 = { - .reg = (void *)HHI_MPEG_CLK_CNTL, - .bit_idx = 7, - .lock = &meson_clk_lock, +static struct clk_regmap meson8b_clk81 = { + .data = &(struct clk_regmap_gate_data){ + .offset = HHI_MPEG_CLK_CNTL, + .bit_idx = 7, + }, .hw.init = &(struct clk_init_data){ .name = "clk81", - .ops = &clk_gate_ops, + .ops = &clk_regmap_gate_ops, .parent_names = (const char *[]){ "mpeg_clk_div" }, .num_parents = 1, - .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), + .flags = CLK_IS_CRITICAL, + }, +}; + +static struct clk_regmap meson8b_cpu_in_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL0, + .mask = 0x1, + .shift = 0, + }, + .hw.init = &(struct clk_init_data){ + .name = "cpu_in_sel", + .ops = &clk_regmap_mux_ro_ops, + .parent_names = (const char *[]){ "xtal", "sys_pll" }, + .num_parents = 2, + .flags = (CLK_SET_RATE_PARENT | + CLK_SET_RATE_NO_REPARENT), + }, +}; + +static struct clk_fixed_factor meson8b_cpu_div2 = { + .mult = 1, + .div = 2, + .hw.init = &(struct clk_init_data){ + .name = "cpu_div2", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "cpu_in_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_fixed_factor meson8b_cpu_div3 = { + .mult = 1, + .div = 3, + .hw.init = &(struct clk_init_data){ + .name = "cpu_div3", + .ops = &clk_fixed_factor_ops, + .parent_names = (const char *[]){ "cpu_in_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static const struct clk_div_table cpu_scale_table[] = { + { .val = 2, .div = 4 }, + { .val = 3, .div = 6 }, + { .val = 4, .div = 8 }, + { .val = 5, .div = 10 }, + { .val = 6, .div = 12 }, + { .val = 7, .div = 14 }, + { .val = 8, .div = 16 }, + { /* sentinel */ }, +}; + +static struct clk_regmap meson8b_cpu_scale_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SYS_CPU_CLK_CNTL1, + .shift = 20, + .width = 9, + .table = cpu_scale_table, + .flags = CLK_DIVIDER_ALLOW_ZERO, + }, + .hw.init = &(struct clk_init_data){ + .name = "cpu_scale_div", + .ops = &clk_regmap_divider_ro_ops, + .parent_names = (const char *[]){ "cpu_in_sel" }, + .num_parents = 1, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap meson8b_cpu_scale_out_sel = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL0, + .mask = 0x3, + .shift = 2, + }, + .hw.init = &(struct clk_init_data){ + .name = "cpu_scale_out_sel", + .ops = &clk_regmap_mux_ro_ops, + .parent_names = (const char *[]) { "cpu_in_sel", + "cpu_div2", + "cpu_div3", + "cpu_scale_div" }, + .num_parents = 4, + .flags = CLK_SET_RATE_PARENT, + }, +}; + +static struct clk_regmap meson8b_cpu_clk = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL0, + .mask = 0x1, + .shift = 7, + }, + .hw.init = &(struct clk_init_data){ + .name = "cpu_clk", + .ops = &clk_regmap_mux_ro_ops, + .parent_names = (const char *[]){ "xtal", "cpu_out_sel" }, + .num_parents = 2, + .flags = (CLK_SET_RATE_PARENT | + CLK_SET_RATE_NO_REPARENT), }, }; @@ -599,24 +820,26 @@ static struct clk_hw_onecell_data meson8b_hw_onecell_data = { [CLKID_MPLL0] = &meson8b_mpll0.hw, [CLKID_MPLL1] = &meson8b_mpll1.hw, [CLKID_MPLL2] = &meson8b_mpll2.hw, + [CLKID_MPLL0_DIV] = &meson8b_mpll0_div.hw, + [CLKID_MPLL1_DIV] = &meson8b_mpll1_div.hw, + [CLKID_MPLL2_DIV] = &meson8b_mpll2_div.hw, + [CLKID_CPU_IN_SEL] = &meson8b_cpu_in_sel.hw, + [CLKID_CPU_DIV2] = &meson8b_cpu_div2.hw, + [CLKID_CPU_DIV3] = &meson8b_cpu_div3.hw, + [CLKID_CPU_SCALE_DIV] = &meson8b_cpu_scale_div.hw, + [CLKID_CPU_SCALE_OUT_SEL] = &meson8b_cpu_scale_out_sel.hw, + [CLKID_MPLL_PREDIV] = &meson8b_mpll_prediv.hw, + [CLKID_FCLK_DIV2_DIV] = &meson8b_fclk_div2_div.hw, + [CLKID_FCLK_DIV3_DIV] = &meson8b_fclk_div3_div.hw, + [CLKID_FCLK_DIV4_DIV] = &meson8b_fclk_div4_div.hw, + [CLKID_FCLK_DIV5_DIV] = &meson8b_fclk_div5_div.hw, + [CLKID_FCLK_DIV7_DIV] = &meson8b_fclk_div7_div.hw, [CLK_NR_CLKS] = NULL, }, .num = CLK_NR_CLKS, }; -static struct meson_clk_pll *const meson8b_clk_plls[] = { - &meson8b_fixed_pll, - &meson8b_vid_pll, - &meson8b_sys_pll, -}; - -static struct meson_clk_mpll *const meson8b_clk_mplls[] = { - &meson8b_mpll0, - &meson8b_mpll1, - &meson8b_mpll2, -}; - -static struct clk_gate *const meson8b_clk_gates[] = { +static struct clk_regmap *const meson8b_clk_regmaps[] = { &meson8b_clk81, &meson8b_ddr, &meson8b_dos, @@ -695,14 +918,27 @@ static struct clk_gate *const meson8b_clk_gates[] = { &meson8b_ao_ahb_sram, &meson8b_ao_ahb_bus, &meson8b_ao_iface, -}; - -static struct clk_mux *const meson8b_clk_muxes[] = { - &meson8b_mpeg_clk_sel, -}; - -static struct clk_divider *const meson8b_clk_dividers[] = { &meson8b_mpeg_clk_div, + &meson8b_mpeg_clk_sel, + &meson8b_mpll0, + &meson8b_mpll1, + &meson8b_mpll2, + &meson8b_mpll0_div, + &meson8b_mpll1_div, + &meson8b_mpll2_div, + &meson8b_fixed_pll, + &meson8b_vid_pll, + &meson8b_sys_pll, + &meson8b_cpu_in_sel, + &meson8b_cpu_scale_div, + &meson8b_cpu_scale_out_sel, + &meson8b_cpu_clk, + &meson8b_mpll_prediv, + &meson8b_fclk_div2, + &meson8b_fclk_div3, + &meson8b_fclk_div4, + &meson8b_fclk_div5, + &meson8b_fclk_div7, }; static const struct meson8b_clk_reset_line { @@ -804,82 +1040,45 @@ static const struct reset_control_ops meson8b_clk_reset_ops = { .deassert = meson8b_clk_reset_deassert, }; +static const struct regmap_config clkc_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, +}; + static int meson8b_clkc_probe(struct platform_device *pdev) { - int ret, clkid, i; - struct clk_hw *parent_hw; - struct clk *parent_clk; + int ret, i; struct device *dev = &pdev->dev; + struct regmap *map; if (!clk_base) return -ENXIO; - /* Populate base address for PLLs */ - for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++) - meson8b_clk_plls[i]->base = clk_base; - - /* Populate base address for MPLLs */ - for (i = 0; i < ARRAY_SIZE(meson8b_clk_mplls); i++) - meson8b_clk_mplls[i]->base = clk_base; - - /* Populate the base address for CPU clk */ - meson8b_cpu_clk.base = clk_base; - - /* Populate base address for gates */ - for (i = 0; i < ARRAY_SIZE(meson8b_clk_gates); i++) - meson8b_clk_gates[i]->reg = clk_base + - (u32)meson8b_clk_gates[i]->reg; - - /* Populate base address for muxes */ - for (i = 0; i < ARRAY_SIZE(meson8b_clk_muxes); i++) - meson8b_clk_muxes[i]->reg = clk_base + - (u32)meson8b_clk_muxes[i]->reg; + map = devm_regmap_init_mmio(dev, clk_base, &clkc_regmap_config); + if (IS_ERR(map)) + return PTR_ERR(map); - /* Populate base address for dividers */ - for (i = 0; i < ARRAY_SIZE(meson8b_clk_dividers); i++) - meson8b_clk_dividers[i]->reg = clk_base + - (u32)meson8b_clk_dividers[i]->reg; + /* Populate regmap for the regmap backed clocks */ + for (i = 0; i < ARRAY_SIZE(meson8b_clk_regmaps); i++) + meson8b_clk_regmaps[i]->map = map; /* * register all clks * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1 */ - for (clkid = CLKID_XTAL; clkid < CLK_NR_CLKS; clkid++) { + for (i = CLKID_XTAL; i < CLK_NR_CLKS; i++) { /* array might be sparse */ - if (!meson8b_hw_onecell_data.hws[clkid]) + if (!meson8b_hw_onecell_data.hws[i]) continue; - /* FIXME convert to devm_clk_register */ - ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[clkid]); + ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[i]); if (ret) return ret; } - /* - * Register CPU clk notifier - * - * FIXME this is wrong for a lot of reasons. First, the muxes should be - * struct clk_hw objects. Second, we shouldn't program the muxes in - * notifier handlers. The tricky programming sequence will be handled - * by the forthcoming coordinated clock rates mechanism once that - * feature is released. - * - * Furthermore, looking up the parent this way is terrible. At some - * point we will stop allocating a default struct clk when registering - * a new clk_hw, and this hack will no longer work. Releasing the ccr - * feature before that time solves the problem :-) - */ - parent_hw = clk_hw_get_parent(&meson8b_cpu_clk.hw); - parent_clk = parent_hw->clk; - ret = clk_notifier_register(parent_clk, &meson8b_cpu_clk.clk_nb); - if (ret) { - pr_err("%s: failed to register clock notifier for cpu_clk\n", - __func__); - return ret; - } - - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, - &meson8b_hw_onecell_data); + return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + &meson8b_hw_onecell_data); } static const struct of_device_id meson8b_clkc_match_table[] = { diff --git a/drivers/clk/meson/meson8b.h b/drivers/clk/meson/meson8b.h index 2eaf8a52e7dd..6e414bd36981 100644 --- a/drivers/clk/meson/meson8b.h +++ b/drivers/clk/meson/meson8b.h @@ -69,7 +69,22 @@ * will remain defined here. */ -#define CLK_NR_CLKS 96 +#define CLKID_MPLL0_DIV 96 +#define CLKID_MPLL1_DIV 97 +#define CLKID_MPLL2_DIV 98 +#define CLKID_CPU_IN_SEL 99 +#define CLKID_CPU_DIV2 100 +#define CLKID_CPU_DIV3 101 +#define CLKID_CPU_SCALE_DIV 102 +#define CLKID_CPU_SCALE_OUT_SEL 103 +#define CLKID_MPLL_PREDIV 104 +#define CLKID_FCLK_DIV2_DIV 105 +#define CLKID_FCLK_DIV3_DIV 106 +#define CLKID_FCLK_DIV4_DIV 107 +#define CLKID_FCLK_DIV5_DIV 108 +#define CLKID_FCLK_DIV7_DIV 109 + +#define CLK_NR_CLKS 110 /* * include the CLKID and RESETID that have diff --git a/drivers/clk/mvebu/armada-38x.c b/drivers/clk/mvebu/armada-38x.c index 394aa6f03f01..9ff4ea63932d 100644 --- a/drivers/clk/mvebu/armada-38x.c +++ b/drivers/clk/mvebu/armada-38x.c @@ -46,11 +46,11 @@ static u32 __init armada_38x_get_tclk_freq(void __iomem *sar) } static const u32 armada_38x_cpu_frequencies[] __initconst = { - 0, 0, 0, 0, - 1066 * 1000 * 1000, 0, 0, 0, + 666 * 1000 * 1000, 0, 800 * 1000 * 1000, 0, + 1066 * 1000 * 1000, 0, 1200 * 1000 * 1000, 0, 1332 * 1000 * 1000, 0, 0, 0, 1600 * 1000 * 1000, 0, 0, 0, - 1866 * 1000 * 1000, + 1866 * 1000 * 1000, 0, 0, 2000 * 1000 * 1000, }; static u32 __init armada_38x_get_cpu_freq(void __iomem *sar) @@ -76,11 +76,11 @@ static const struct coreclk_ratio armada_38x_coreclk_ratios[] __initconst = { }; static const int armada_38x_cpu_l2_ratios[32][2] __initconst = { - {0, 1}, {0, 1}, {0, 1}, {0, 1}, - {1, 2}, {0, 1}, {0, 1}, {0, 1}, - {1, 2}, {0, 1}, {0, 1}, {0, 1}, + {1, 2}, {0, 1}, {1, 2}, {0, 1}, + {1, 2}, {0, 1}, {1, 2}, {0, 1}, {1, 2}, {0, 1}, {0, 1}, {0, 1}, {1, 2}, {0, 1}, {0, 1}, {0, 1}, + {1, 2}, {0, 1}, {0, 1}, {1, 2}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, @@ -91,7 +91,7 @@ static const int armada_38x_cpu_ddr_ratios[32][2] __initconst = { {1, 2}, {0, 1}, {0, 1}, {0, 1}, {1, 2}, {0, 1}, {0, 1}, {0, 1}, {1, 2}, {0, 1}, {0, 1}, {0, 1}, - {1, 2}, {0, 1}, {0, 1}, {0, 1}, + {1, 2}, {0, 1}, {0, 1}, {7, 15}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, {0, 1}, diff --git a/drivers/clk/mvebu/cp110-system-controller.c b/drivers/clk/mvebu/cp110-system-controller.c index ca9a0a536174..75bf7b8f282f 100644 --- a/drivers/clk/mvebu/cp110-system-controller.c +++ b/drivers/clk/mvebu/cp110-system-controller.c @@ -13,18 +13,17 @@ /* * CP110 has 6 core clocks: * - * - APLL (1 Ghz) - * - PPv2 core (1/3 APLL) - * - EIP (1/2 APLL) - * - Core (1/2 EIP) - * - SDIO (2/5 APLL) + * - PLL0 (1 Ghz) + * - PPv2 core (1/3 PLL0) + * - x2 Core (1/2 PLL0) + * - Core (1/2 x2 Core) + * - SDIO (2/5 PLL0) * * - NAND clock, which is either: * - Equal to SDIO clock - * - 2/5 APLL + * - 2/5 PLL0 * - * CP110 has 32 gatable clocks, for the various peripherals in the - * IP. They have fairly complicated parent/child relationships. + * CP110 has 32 gatable clocks, for the various peripherals in the IP. */ #define pr_fmt(fmt) "cp110-system-controller: " fmt @@ -53,9 +52,9 @@ enum { #define CP110_CLK_NUM \ (CP110_MAX_CORE_CLOCKS + CP110_MAX_GATABLE_CLOCKS) -#define CP110_CORE_APLL 0 +#define CP110_CORE_PLL0 0 #define CP110_CORE_PPV2 1 -#define CP110_CORE_EIP 2 +#define CP110_CORE_X2CORE 2 #define CP110_CORE_CORE 3 #define CP110_CORE_NAND 4 #define CP110_CORE_SDIO 5 @@ -237,7 +236,7 @@ static int cp110_syscon_common_probe(struct platform_device *pdev, struct regmap *regmap; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; - const char *ppv2_name, *apll_name, *core_name, *eip_name, *nand_name, + const char *ppv2_name, *pll0_name, *core_name, *x2core_name, *nand_name, *sdio_name; struct clk_hw_onecell_data *cp110_clk_data; struct clk_hw *hw, **cp110_clks; @@ -263,20 +262,20 @@ static int cp110_syscon_common_probe(struct platform_device *pdev, cp110_clks = cp110_clk_data->hws; cp110_clk_data->num = CP110_CLK_NUM; - /* Register the APLL which is the root of the hw tree */ - apll_name = cp110_unique_name(dev, syscon_node, "apll"); - hw = clk_hw_register_fixed_rate(NULL, apll_name, NULL, 0, + /* Register the PLL0 which is the root of the hw tree */ + pll0_name = cp110_unique_name(dev, syscon_node, "pll0"); + hw = clk_hw_register_fixed_rate(NULL, pll0_name, NULL, 0, 1000 * 1000 * 1000); if (IS_ERR(hw)) { ret = PTR_ERR(hw); - goto fail_apll; + goto fail_pll0; } - cp110_clks[CP110_CORE_APLL] = hw; + cp110_clks[CP110_CORE_PLL0] = hw; - /* PPv2 is APLL/3 */ + /* PPv2 is PLL0/3 */ ppv2_name = cp110_unique_name(dev, syscon_node, "ppv2-core"); - hw = clk_hw_register_fixed_factor(NULL, ppv2_name, apll_name, 0, 1, 3); + hw = clk_hw_register_fixed_factor(NULL, ppv2_name, pll0_name, 0, 1, 3); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail_ppv2; @@ -284,30 +283,32 @@ static int cp110_syscon_common_probe(struct platform_device *pdev, cp110_clks[CP110_CORE_PPV2] = hw; - /* EIP clock is APLL/2 */ - eip_name = cp110_unique_name(dev, syscon_node, "eip"); - hw = clk_hw_register_fixed_factor(NULL, eip_name, apll_name, 0, 1, 2); + /* X2CORE clock is PLL0/2 */ + x2core_name = cp110_unique_name(dev, syscon_node, "x2core"); + hw = clk_hw_register_fixed_factor(NULL, x2core_name, pll0_name, + 0, 1, 2); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail_eip; } - cp110_clks[CP110_CORE_EIP] = hw; + cp110_clks[CP110_CORE_X2CORE] = hw; - /* Core clock is EIP/2 */ + /* Core clock is X2CORE/2 */ core_name = cp110_unique_name(dev, syscon_node, "core"); - hw = clk_hw_register_fixed_factor(NULL, core_name, eip_name, 0, 1, 2); + hw = clk_hw_register_fixed_factor(NULL, core_name, x2core_name, + 0, 1, 2); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail_core; } cp110_clks[CP110_CORE_CORE] = hw; - /* NAND can be either APLL/2.5 or core clock */ + /* NAND can be either PLL0/2.5 or core clock */ nand_name = cp110_unique_name(dev, syscon_node, "nand-core"); if (nand_clk_ctrl & NF_CLOCK_SEL_400_MASK) hw = clk_hw_register_fixed_factor(NULL, nand_name, - apll_name, 0, 2, 5); + pll0_name, 0, 2, 5); else hw = clk_hw_register_fixed_factor(NULL, nand_name, core_name, 0, 1, 1); @@ -318,10 +319,10 @@ static int cp110_syscon_common_probe(struct platform_device *pdev, cp110_clks[CP110_CORE_NAND] = hw; - /* SDIO clock is APLL/2.5 */ + /* SDIO clock is PLL0/2.5 */ sdio_name = cp110_unique_name(dev, syscon_node, "sdio-core"); hw = clk_hw_register_fixed_factor(NULL, sdio_name, - apll_name, 0, 2, 5); + pll0_name, 0, 2, 5); if (IS_ERR(hw)) { ret = PTR_ERR(hw); goto fail_sdio; @@ -341,40 +342,23 @@ static int cp110_syscon_common_probe(struct platform_device *pdev, continue; switch (i) { - case CP110_GATE_AUDIO: - case CP110_GATE_COMM_UNIT: - case CP110_GATE_EIP150: - case CP110_GATE_EIP197: - case CP110_GATE_SLOW_IO: - parent = gate_name[CP110_GATE_MAIN]; - break; - case CP110_GATE_MG: - parent = gate_name[CP110_GATE_MG_CORE]; - break; case CP110_GATE_NAND: parent = nand_name; break; + case CP110_GATE_MG: + case CP110_GATE_GOP_DP: case CP110_GATE_PPV2: parent = ppv2_name; break; case CP110_GATE_SDIO: parent = sdio_name; break; - case CP110_GATE_GOP_DP: - parent = gate_name[CP110_GATE_SDMMC_GOP]; - break; - case CP110_GATE_XOR1: - case CP110_GATE_XOR0: - case CP110_GATE_PCIE_X1_0: - case CP110_GATE_PCIE_X1_1: + case CP110_GATE_MAIN: + case CP110_GATE_PCIE_XOR: case CP110_GATE_PCIE_X4: - parent = gate_name[CP110_GATE_PCIE_XOR]; - break; - case CP110_GATE_SATA: - case CP110_GATE_USB3H0: - case CP110_GATE_USB3H1: - case CP110_GATE_USB3DEV: - parent = gate_name[CP110_GATE_SATA_USB]; + case CP110_GATE_EIP150: + case CP110_GATE_EIP197: + parent = x2core_name; break; default: parent = core_name; @@ -413,12 +397,12 @@ fail_sdio: fail_nand: clk_hw_unregister_fixed_factor(cp110_clks[CP110_CORE_CORE]); fail_core: - clk_hw_unregister_fixed_factor(cp110_clks[CP110_CORE_EIP]); + clk_hw_unregister_fixed_factor(cp110_clks[CP110_CORE_X2CORE]); fail_eip: clk_hw_unregister_fixed_factor(cp110_clks[CP110_CORE_PPV2]); fail_ppv2: - clk_hw_unregister_fixed_rate(cp110_clks[CP110_CORE_APLL]); -fail_apll: + clk_hw_unregister_fixed_rate(cp110_clks[CP110_CORE_PLL0]); +fail_pll0: return ret; } diff --git a/drivers/clk/nxp/clk-lpc32xx.c b/drivers/clk/nxp/clk-lpc32xx.c index f5d815f577e0..5eeecee17b69 100644 --- a/drivers/clk/nxp/clk-lpc32xx.c +++ b/drivers/clk/nxp/clk-lpc32xx.c @@ -67,6 +67,7 @@ #define LPC32XX_USB_CLK_STS 0xF8 static struct regmap_config lpc32xx_scb_regmap_config = { + .name = "scb", .reg_bits = 32, .val_bits = 32, .reg_stride = 4, diff --git a/drivers/clk/qcom/clk-regmap-divider.c b/drivers/clk/qcom/clk-regmap-divider.c index 4e9b8c2c8980..1ee75a5e93f4 100644 --- a/drivers/clk/qcom/clk-regmap-divider.c +++ b/drivers/clk/qcom/clk-regmap-divider.c @@ -28,22 +28,14 @@ static long div_round_ro_rate(struct clk_hw *hw, unsigned long rate, { struct clk_regmap_div *divider = to_clk_regmap_div(hw); struct clk_regmap *clkr = ÷r->clkr; - u32 div; - struct clk_hw *hw_parent = clk_hw_get_parent(hw); - - regmap_read(clkr->regmap, divider->reg, &div); - div >>= divider->shift; - div &= BIT(divider->width) - 1; - div += 1; - - if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) { - if (!hw_parent) - return -EINVAL; + u32 val; - *prate = clk_hw_round_rate(hw_parent, rate * div); - } + regmap_read(clkr->regmap, divider->reg, &val); + val >>= divider->shift; + val &= BIT(divider->width) - 1; - return DIV_ROUND_UP_ULL((u64)*prate, div); + return divider_ro_round_rate(hw, rate, prate, NULL, divider->width, + CLK_DIVIDER_ROUND_CLOSEST, val); } static long div_round_rate(struct clk_hw *hw, unsigned long rate, diff --git a/drivers/clk/qcom/clk-rpm.c b/drivers/clk/qcom/clk-rpm.c index c60f61b10c7f..b94981447664 100644 --- a/drivers/clk/qcom/clk-rpm.c +++ b/drivers/clk/qcom/clk-rpm.c @@ -29,6 +29,7 @@ #define QCOM_RPM_MISC_CLK_TYPE 0x306b6c63 #define QCOM_RPM_SCALING_ENABLE_ID 0x2 +#define QCOM_RPM_XO_MODE_ON 0x2 #define DEFINE_CLK_RPM(_platform, _name, _active, r_id) \ static struct clk_rpm _platform##_##_active; \ @@ -56,6 +57,18 @@ }, \ } +#define DEFINE_CLK_RPM_XO_BUFFER(_platform, _name, _active, offset) \ + static struct clk_rpm _platform##_##_name = { \ + .rpm_clk_id = QCOM_RPM_CXO_BUFFERS, \ + .xo_offset = (offset), \ + .hw.init = &(struct clk_init_data){ \ + .ops = &clk_rpm_xo_ops, \ + .name = #_name, \ + .parent_names = (const char *[]){ "cxo_board" }, \ + .num_parents = 1, \ + }, \ + } + #define DEFINE_CLK_RPM_FIXED(_platform, _name, _active, r_id, r) \ static struct clk_rpm _platform##_##_name = { \ .rpm_clk_id = (r_id), \ @@ -126,8 +139,11 @@ #define to_clk_rpm(_hw) container_of(_hw, struct clk_rpm, hw) +struct rpm_cc; + struct clk_rpm { const int rpm_clk_id; + const int xo_offset; const bool active_only; unsigned long rate; bool enabled; @@ -135,12 +151,15 @@ struct clk_rpm { struct clk_rpm *peer; struct clk_hw hw; struct qcom_rpm *rpm; + struct rpm_cc *rpm_cc; }; struct rpm_cc { struct qcom_rpm *rpm; struct clk_rpm **clks; size_t num_clks; + u32 xo_buffer_value; + struct mutex xo_lock; }; struct rpm_clk_desc { @@ -159,7 +178,8 @@ static int clk_rpm_handoff(struct clk_rpm *r) * The vendor tree simply reads the status for this * RPM clock. */ - if (r->rpm_clk_id == QCOM_RPM_PLL_4) + if (r->rpm_clk_id == QCOM_RPM_PLL_4 || + r->rpm_clk_id == QCOM_RPM_CXO_BUFFERS) return 0; ret = qcom_rpm_write(r->rpm, QCOM_RPM_ACTIVE_STATE, @@ -288,6 +308,46 @@ out: mutex_unlock(&rpm_clk_lock); } +static int clk_rpm_xo_prepare(struct clk_hw *hw) +{ + struct clk_rpm *r = to_clk_rpm(hw); + struct rpm_cc *rcc = r->rpm_cc; + int ret, clk_id = r->rpm_clk_id; + u32 value; + + mutex_lock(&rcc->xo_lock); + + value = rcc->xo_buffer_value | (QCOM_RPM_XO_MODE_ON << r->xo_offset); + ret = qcom_rpm_write(r->rpm, QCOM_RPM_ACTIVE_STATE, clk_id, &value, 1); + if (!ret) { + r->enabled = true; + rcc->xo_buffer_value = value; + } + + mutex_unlock(&rcc->xo_lock); + + return ret; +} + +static void clk_rpm_xo_unprepare(struct clk_hw *hw) +{ + struct clk_rpm *r = to_clk_rpm(hw); + struct rpm_cc *rcc = r->rpm_cc; + int ret, clk_id = r->rpm_clk_id; + u32 value; + + mutex_lock(&rcc->xo_lock); + + value = rcc->xo_buffer_value & ~(QCOM_RPM_XO_MODE_ON << r->xo_offset); + ret = qcom_rpm_write(r->rpm, QCOM_RPM_ACTIVE_STATE, clk_id, &value, 1); + if (!ret) { + r->enabled = false; + rcc->xo_buffer_value = value; + } + + mutex_unlock(&rcc->xo_lock); +} + static int clk_rpm_fixed_prepare(struct clk_hw *hw) { struct clk_rpm *r = to_clk_rpm(hw); @@ -378,6 +438,11 @@ static unsigned long clk_rpm_recalc_rate(struct clk_hw *hw, return r->rate; } +static const struct clk_ops clk_rpm_xo_ops = { + .prepare = clk_rpm_xo_prepare, + .unprepare = clk_rpm_xo_unprepare, +}; + static const struct clk_ops clk_rpm_fixed_ops = { .prepare = clk_rpm_fixed_prepare, .unprepare = clk_rpm_fixed_unprepare, @@ -449,6 +514,11 @@ DEFINE_CLK_RPM(apq8064, mmfpb_clk, mmfpb_a_clk, QCOM_RPM_MMFPB_CLK); DEFINE_CLK_RPM(apq8064, sfab_clk, sfab_a_clk, QCOM_RPM_SYS_FABRIC_CLK); DEFINE_CLK_RPM(apq8064, sfpb_clk, sfpb_a_clk, QCOM_RPM_SFPB_CLK); DEFINE_CLK_RPM(apq8064, qdss_clk, qdss_a_clk, QCOM_RPM_QDSS_CLK); +DEFINE_CLK_RPM_XO_BUFFER(apq8064, xo_d0_clk, xo_d0_a_clk, 0); +DEFINE_CLK_RPM_XO_BUFFER(apq8064, xo_d1_clk, xo_d1_a_clk, 8); +DEFINE_CLK_RPM_XO_BUFFER(apq8064, xo_a0_clk, xo_a0_a_clk, 16); +DEFINE_CLK_RPM_XO_BUFFER(apq8064, xo_a1_clk, xo_a1_a_clk, 24); +DEFINE_CLK_RPM_XO_BUFFER(apq8064, xo_a2_clk, xo_a2_a_clk, 28); static struct clk_rpm *apq8064_clks[] = { [RPM_APPS_FABRIC_CLK] = &apq8064_afab_clk, @@ -469,6 +539,11 @@ static struct clk_rpm *apq8064_clks[] = { [RPM_SFPB_A_CLK] = &apq8064_sfpb_a_clk, [RPM_QDSS_CLK] = &apq8064_qdss_clk, [RPM_QDSS_A_CLK] = &apq8064_qdss_a_clk, + [RPM_XO_D0] = &apq8064_xo_d0_clk, + [RPM_XO_D1] = &apq8064_xo_d1_clk, + [RPM_XO_A0] = &apq8064_xo_a0_clk, + [RPM_XO_A1] = &apq8064_xo_a1_clk, + [RPM_XO_A2] = &apq8064_xo_a2_clk, }; static const struct rpm_clk_desc rpm_clk_apq8064 = { @@ -526,12 +601,14 @@ static int rpm_clk_probe(struct platform_device *pdev) rcc->clks = rpm_clks; rcc->num_clks = num_clks; + mutex_init(&rcc->xo_lock); for (i = 0; i < num_clks; i++) { if (!rpm_clks[i]) continue; rpm_clks[i]->rpm = rpm; + rpm_clks[i]->rpm_cc = rcc; ret = clk_rpm_handoff(rpm_clks[i]); if (ret) diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c index c26d9007bfc4..850c02a52248 100644 --- a/drivers/clk/qcom/clk-smd-rpm.c +++ b/drivers/clk/qcom/clk-smd-rpm.c @@ -686,7 +686,7 @@ static int rpm_smd_clk_probe(struct platform_device *pdev) goto err; } - ret = of_clk_add_hw_provider(pdev->dev.of_node, qcom_smdrpm_clk_hw_get, + ret = devm_of_clk_add_hw_provider(&pdev->dev, qcom_smdrpm_clk_hw_get, rcc); if (ret) goto err; @@ -697,19 +697,12 @@ err: return ret; } -static int rpm_smd_clk_remove(struct platform_device *pdev) -{ - of_clk_del_provider(pdev->dev.of_node); - return 0; -} - static struct platform_driver rpm_smd_clk_driver = { .driver = { .name = "qcom-clk-smd-rpm", .of_match_table = rpm_smd_clk_match_table, }, .probe = rpm_smd_clk_probe, - .remove = rpm_smd_clk_remove, }; static int __init rpm_smd_clk_init(void) diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c index 5d7451209206..3d6452932797 100644 --- a/drivers/clk/qcom/gcc-msm8996.c +++ b/drivers/clk/qcom/gcc-msm8996.c @@ -2895,7 +2895,7 @@ static struct clk_branch gcc_aggre0_snoc_axi_clk = { .name = "gcc_aggre0_snoc_axi_clk", .parent_names = (const char *[]){ "system_noc_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -2910,7 +2910,7 @@ static struct clk_branch gcc_aggre0_cnoc_ahb_clk = { .name = "gcc_aggre0_cnoc_ahb_clk", .parent_names = (const char *[]){ "config_noc_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -2925,7 +2925,7 @@ static struct clk_branch gcc_smmu_aggre0_axi_clk = { .name = "gcc_smmu_aggre0_axi_clk", .parent_names = (const char *[]){ "system_noc_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, @@ -2940,7 +2940,7 @@ static struct clk_branch gcc_smmu_aggre0_ahb_clk = { .name = "gcc_smmu_aggre0_ahb_clk", .parent_names = (const char *[]){ "config_noc_clk_src" }, .num_parents = 1, - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, .ops = &clk_branch2_ops, }, }, diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 43b5a89c4b28..ef76c861ec84 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -15,7 +15,9 @@ config CLK_RENESAS select CLK_R8A7794 if ARCH_R8A7794 select CLK_R8A7795 if ARCH_R8A7795 select CLK_R8A7796 if ARCH_R8A7796 + select CLK_R8A77965 if ARCH_R8A77965 select CLK_R8A77970 if ARCH_R8A77970 + select CLK_R8A77980 if ARCH_R8A77980 select CLK_R8A77995 if ARCH_R8A77995 select CLK_SH73A0 if ARCH_SH73A0 @@ -24,12 +26,13 @@ if CLK_RENESAS config CLK_RENESAS_LEGACY bool "Legacy DT clock support" depends on CLK_R8A7790 || CLK_R8A7791 || CLK_R8A7792 || CLK_R8A7794 - default y help Enable backward compatibility with old device trees describing a hierarchical representation of the various CPG and MSTP clocks. Say Y if you want your kernel to work with old DTBs. + It is safe to say N if you use the DTS that is supplied with the + current kernel source tree. # SoC config CLK_EMEV2 @@ -96,10 +99,18 @@ config CLK_R8A7796 bool "R-Car M3-W clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG +config CLK_R8A77965 + bool "R-Car M3-N clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + config CLK_R8A77970 bool "R-Car V3M clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG +config CLK_R8A77980 + bool "R-Car V3H clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + config CLK_R8A77995 bool "R-Car D3 clock support" if COMPILE_TEST select CLK_RCAR_GEN3_CPG diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index 34c4e0b37afa..6c0f19636e3e 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -14,7 +14,9 @@ obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77965) += r8a77965-cpg-mssr.o obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o +obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c index 151336d2ba59..9febbf42c3df 100644 --- a/drivers/clk/renesas/clk-div6.c +++ b/drivers/clk/renesas/clk-div6.c @@ -53,9 +53,9 @@ static int cpg_div6_clock_enable(struct clk_hw *hw) struct div6_clock *clock = to_div6_clock(hw); u32 val; - val = (clk_readl(clock->reg) & ~(CPG_DIV6_DIV_MASK | CPG_DIV6_CKSTP)) + val = (readl(clock->reg) & ~(CPG_DIV6_DIV_MASK | CPG_DIV6_CKSTP)) | CPG_DIV6_DIV(clock->div - 1); - clk_writel(val, clock->reg); + writel(val, clock->reg); return 0; } @@ -65,7 +65,7 @@ static void cpg_div6_clock_disable(struct clk_hw *hw) struct div6_clock *clock = to_div6_clock(hw); u32 val; - val = clk_readl(clock->reg); + val = readl(clock->reg); val |= CPG_DIV6_CKSTP; /* * DIV6 clocks require the divisor field to be non-zero when stopping @@ -75,14 +75,14 @@ static void cpg_div6_clock_disable(struct clk_hw *hw) */ if (!(val & CPG_DIV6_DIV_MASK)) val |= CPG_DIV6_DIV_MASK; - clk_writel(val, clock->reg); + writel(val, clock->reg); } static int cpg_div6_clock_is_enabled(struct clk_hw *hw) { struct div6_clock *clock = to_div6_clock(hw); - return !(clk_readl(clock->reg) & CPG_DIV6_CKSTP); + return !(readl(clock->reg) & CPG_DIV6_CKSTP); } static unsigned long cpg_div6_clock_recalc_rate(struct clk_hw *hw, @@ -122,10 +122,10 @@ static int cpg_div6_clock_set_rate(struct clk_hw *hw, unsigned long rate, clock->div = div; - val = clk_readl(clock->reg) & ~CPG_DIV6_DIV_MASK; + val = readl(clock->reg) & ~CPG_DIV6_DIV_MASK; /* Only program the new divisor if the clock isn't stopped. */ if (!(val & CPG_DIV6_CKSTP)) - clk_writel(val | CPG_DIV6_DIV(clock->div - 1), clock->reg); + writel(val | CPG_DIV6_DIV(clock->div - 1), clock->reg); return 0; } @@ -139,7 +139,7 @@ static u8 cpg_div6_clock_get_parent(struct clk_hw *hw) if (clock->src_width == 0) return 0; - hw_index = (clk_readl(clock->reg) >> clock->src_shift) & + hw_index = (readl(clock->reg) >> clock->src_shift) & (BIT(clock->src_width) - 1); for (i = 0; i < clk_hw_get_num_parents(hw); i++) { if (clock->parents[i] == hw_index) @@ -163,8 +163,8 @@ static int cpg_div6_clock_set_parent(struct clk_hw *hw, u8 index) mask = ~((BIT(clock->src_width) - 1) << clock->src_shift); hw_index = clock->parents[index]; - clk_writel((clk_readl(clock->reg) & mask) | - (hw_index << clock->src_shift), clock->reg); + writel((readl(clock->reg) & mask) | (hw_index << clock->src_shift), + clock->reg); return 0; } @@ -241,7 +241,7 @@ struct clk * __init cpg_div6_register(const char *name, * Read the divisor. Disabling the clock overwrites the divisor, so we * need to cache its value for the enable operation. */ - clock->div = (clk_readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; + clock->div = (readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; switch (num_parents) { case 1: diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index 858c24d4da8f..e82adcb16a52 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -64,13 +64,13 @@ struct mstp_clock { static inline u32 cpg_mstp_read(struct mstp_clock_group *group, u32 __iomem *reg) { - return group->width_8bit ? readb(reg) : clk_readl(reg); + return group->width_8bit ? readb(reg) : readl(reg); } static inline void cpg_mstp_write(struct mstp_clock_group *group, u32 val, u32 __iomem *reg) { - group->width_8bit ? writeb(val, reg) : clk_writel(val, reg); + group->width_8bit ? writeb(val, reg) : writel(val, reg); } static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) diff --git a/drivers/clk/renesas/clk-r8a73a4.c b/drivers/clk/renesas/clk-r8a73a4.c index 28d204bb659e..7b903ce4c901 100644 --- a/drivers/clk/renesas/clk-r8a73a4.c +++ b/drivers/clk/renesas/clk-r8a73a4.c @@ -71,7 +71,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, if (!strcmp(name, "main")) { - u32 ckscr = clk_readl(cpg->reg + CPG_CKSCR); + u32 ckscr = readl(cpg->reg + CPG_CKSCR); switch ((ckscr >> 28) & 3) { case 0: /* extal1 */ @@ -95,14 +95,14 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, * clock implementation and we currently have no need to change * the multiplier value. */ - u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + u32 value = readl(cpg->reg + CPG_PLL0CR); parent_name = "main"; mult = ((value >> 24) & 0x7f) + 1; if (value & BIT(20)) div = 2; } else if (!strcmp(name, "pll1")) { - u32 value = clk_readl(cpg->reg + CPG_PLL1CR); + u32 value = readl(cpg->reg + CPG_PLL1CR); parent_name = "main"; /* XXX: enable bit? */ @@ -125,7 +125,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, default: return ERR_PTR(-EINVAL); } - value = clk_readl(cpg->reg + cr); + value = readl(cpg->reg + cr); switch ((value >> 5) & 7) { case 0: parent_name = "main"; @@ -161,8 +161,7 @@ r8a73a4_cpg_register_clock(struct device_node *np, struct r8a73a4_cpg *cpg, shift = 0; } div *= 32; - mult = 0x20 - ((clk_readl(cpg->reg + CPG_FRQCRC) >> shift) - & 0x1f); + mult = 0x20 - ((readl(cpg->reg + CPG_FRQCRC) >> shift) & 0x1f); } else { struct div4_clk *c; diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c index 2f7ce6696b6c..d074f8e982d0 100644 --- a/drivers/clk/renesas/clk-r8a7740.c +++ b/drivers/clk/renesas/clk-r8a7740.c @@ -98,20 +98,20 @@ r8a7740_cpg_register_clock(struct device_node *np, struct r8a7740_cpg *cpg, * clock implementation and we currently have no need to change * the multiplier value. */ - u32 value = clk_readl(cpg->reg + CPG_FRQCRC); + u32 value = readl(cpg->reg + CPG_FRQCRC); parent_name = "system"; mult = ((value >> 24) & 0x7f) + 1; } else if (!strcmp(name, "pllc1")) { - u32 value = clk_readl(cpg->reg + CPG_FRQCRA); + u32 value = readl(cpg->reg + CPG_FRQCRA); parent_name = "system"; mult = ((value >> 24) & 0x7f) + 1; div = 2; } else if (!strcmp(name, "pllc2")) { - u32 value = clk_readl(cpg->reg + CPG_PLLC2CR); + u32 value = readl(cpg->reg + CPG_PLLC2CR); parent_name = "system"; mult = ((value >> 24) & 0x3f) + 1; } else if (!strcmp(name, "usb24s")) { - u32 value = clk_readl(cpg->reg + CPG_USBCKCR); + u32 value = readl(cpg->reg + CPG_USBCKCR); if (value & BIT(7)) /* extal2 */ parent_name = of_clk_get_parent_name(np, 1); diff --git a/drivers/clk/renesas/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c index d14cbe1ca29a..ee32a022e6da 100644 --- a/drivers/clk/renesas/clk-rcar-gen2.c +++ b/drivers/clk/renesas/clk-rcar-gen2.c @@ -62,8 +62,7 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, unsigned int mult; unsigned int val; - val = (clk_readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) - >> CPG_FRQCRC_ZFC_SHIFT; + val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT; mult = 32 - val; return div_u64((u64)parent_rate * mult, 32); @@ -95,21 +94,21 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, mult = div_u64((u64)rate * 32, parent_rate); mult = clamp(mult, 1U, 32U); - if (clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) return -EBUSY; - val = clk_readl(zclk->reg); + val = readl(zclk->reg); val &= ~CPG_FRQCRC_ZFC_MASK; val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; - clk_writel(val, zclk->reg); + writel(val, zclk->reg); /* * Set KICK bit in FRQCRB to update hardware setting and wait for * clock change completion. */ - kick = clk_readl(zclk->kick_reg); + kick = readl(zclk->kick_reg); kick |= CPG_FRQCRB_KICK; - clk_writel(kick, zclk->kick_reg); + writel(kick, zclk->kick_reg); /* * Note: There is no HW information about the worst case latency. @@ -121,7 +120,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, * "super" safe value. */ for (i = 1000; i; i--) { - if (!(clk_readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) return 0; cpu_relax(); @@ -332,7 +331,7 @@ rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg, mult = config->pll0_mult; div = 3; } else { - u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + u32 value = readl(cpg->reg + CPG_PLL0CR); mult = ((value >> 24) & ((1 << 7) - 1)) + 1; } parent_name = "main"; diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c index 127c58135c8f..67dd712aa723 100644 --- a/drivers/clk/renesas/clk-rz.c +++ b/drivers/clk/renesas/clk-rz.c @@ -75,9 +75,9 @@ rz_cpg_register_clock(struct device_node *np, struct rz_cpg *cpg, const char *na * let them run at fixed current speed and implement the details later. */ if (strcmp(name, "i") == 0) - val = (clk_readl(cpg->reg + CPG_FRQCR) >> 8) & 3; + val = (readl(cpg->reg + CPG_FRQCR) >> 8) & 3; else if (strcmp(name, "g") == 0) - val = clk_readl(cpg->reg + CPG_FRQCR2) & 3; + val = readl(cpg->reg + CPG_FRQCR2) & 3; else return ERR_PTR(-EINVAL); diff --git a/drivers/clk/renesas/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c index eea38f6ea77e..bab33610eb6c 100644 --- a/drivers/clk/renesas/clk-sh73a0.c +++ b/drivers/clk/renesas/clk-sh73a0.c @@ -46,7 +46,7 @@ struct div4_clk { unsigned int shift; }; -static struct div4_clk div4_clks[] = { +static const struct div4_clk div4_clks[] = { { "zg", "pll0", CPG_FRQCRA, 16 }, { "m3", "pll1", CPG_FRQCRA, 12 }, { "b", "pll1", CPG_FRQCRA, 8 }, @@ -79,13 +79,13 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, { const struct clk_div_table *table = NULL; unsigned int shift, reg, width; - const char *parent_name; + const char *parent_name = NULL; unsigned int mult = 1; unsigned int div = 1; if (!strcmp(name, "main")) { /* extal1, extal1_div2, extal2, extal2_div2 */ - u32 parent_idx = (clk_readl(cpg->reg + CPG_CKSCR) >> 28) & 3; + u32 parent_idx = (readl(cpg->reg + CPG_CKSCR) >> 28) & 3; parent_name = of_clk_get_parent_name(np, parent_idx >> 1); div = (parent_idx & 1) + 1; @@ -110,11 +110,11 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, default: return ERR_PTR(-EINVAL); } - if (clk_readl(cpg->reg + CPG_PLLECR) & BIT(enable_bit)) { - mult = ((clk_readl(enable_reg) >> 24) & 0x3f) + 1; + if (readl(cpg->reg + CPG_PLLECR) & BIT(enable_bit)) { + mult = ((readl(enable_reg) >> 24) & 0x3f) + 1; /* handle CFG bit for PLL1 and PLL2 */ if (enable_bit == 1 || enable_bit == 2) - if (clk_readl(enable_reg) & BIT(20)) + if (readl(enable_reg) & BIT(20)) mult *= 2; } } else if (!strcmp(name, "dsi0phy") || !strcmp(name, "dsi1phy")) { @@ -135,7 +135,7 @@ sh73a0_cpg_register_clock(struct device_node *np, struct sh73a0_cpg *cpg, shift = 24; width = 5; } else { - struct div4_clk *c; + const struct div4_clk *c; for (c = div4_clks; c->name; c++) { if (!strcmp(name, c->name)) { @@ -193,9 +193,9 @@ static void __init sh73a0_cpg_clocks_init(struct device_node *np) return; /* Set SDHI clocks to a known state */ - clk_writel(0x108, cpg->reg + CPG_SD0CKCR); - clk_writel(0x108, cpg->reg + CPG_SD1CKCR); - clk_writel(0x108, cpg->reg + CPG_SD2CKCR); + writel(0x108, cpg->reg + CPG_SD0CKCR); + writel(0x108, cpg->reg + CPG_SD1CKCR); + writel(0x108, cpg->reg + CPG_SD2CKCR); for (i = 0; i < num_clks; ++i) { const char *name; diff --git a/drivers/clk/renesas/r8a7743-cpg-mssr.c b/drivers/clk/renesas/r8a7743-cpg-mssr.c index 6dc0b3082aa6..d3c8b1e2969f 100644 --- a/drivers/clk/renesas/r8a7743-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7743-cpg-mssr.c @@ -117,6 +117,7 @@ static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7743_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7743_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7743_CLK_HP), + DEF_MOD("rwdt", 402, R8A7743_CLK_R), DEF_MOD("irqc", 407, R8A7743_CLK_CP), DEF_MOD("intc-sys", 408, R8A7743_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7743_CLK_HP), @@ -195,6 +196,7 @@ static const struct mssr_mod_clk r8a7743_mod_clks[] __initconst = { }; static const unsigned int r8a7743_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7745-cpg-mssr.c b/drivers/clk/renesas/r8a7745-cpg-mssr.c index 2859504cc866..87f5a3619e4f 100644 --- a/drivers/clk/renesas/r8a7745-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7745-cpg-mssr.c @@ -114,6 +114,7 @@ static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7745_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7745_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7745_CLK_HP), + DEF_MOD("rwdt", 402, R8A7745_CLK_R), DEF_MOD("irqc", 407, R8A7745_CLK_CP), DEF_MOD("intc-sys", 408, R8A7745_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7745_CLK_HP), @@ -180,6 +181,7 @@ static const struct mssr_mod_clk r8a7745_mod_clks[] __initconst = { }; static const unsigned int r8a7745_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7790-cpg-mssr.c b/drivers/clk/renesas/r8a7790-cpg-mssr.c index 46bb55bb223d..f936cb74b681 100644 --- a/drivers/clk/renesas/r8a7790-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7790-cpg-mssr.c @@ -140,6 +140,7 @@ static const struct mssr_mod_clk r8a7790_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7790_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7790_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7790_CLK_HP), + DEF_MOD("rwdt", 402, R8A7790_CLK_R), DEF_MOD("irqc", 407, R8A7790_CLK_CP), DEF_MOD("intc-sys", 408, R8A7790_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7790_CLK_HP), @@ -211,6 +212,7 @@ static const struct mssr_mod_clk r8a7790_mod_clks[] __initconst = { }; static const unsigned int r8a7790_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7791-cpg-mssr.c b/drivers/clk/renesas/r8a7791-cpg-mssr.c index c0b51f9bb278..820b220b09cc 100644 --- a/drivers/clk/renesas/r8a7791-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7791-cpg-mssr.c @@ -128,6 +128,7 @@ static const struct mssr_mod_clk r8a7791_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7791_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7791_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7791_CLK_HP), + DEF_MOD("rwdt", 402, R8A7791_CLK_R), DEF_MOD("irqc", 407, R8A7791_CLK_CP), DEF_MOD("intc-sys", 408, R8A7791_CLK_ZS), DEF_MOD("audio-dmac1", 501, R8A7791_CLK_HP), @@ -209,6 +210,7 @@ static const struct mssr_mod_clk r8a7791_mod_clks[] __initconst = { }; static const unsigned int r8a7791_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7792-cpg-mssr.c b/drivers/clk/renesas/r8a7792-cpg-mssr.c index 7f85bbf20bf7..609a54080496 100644 --- a/drivers/clk/renesas/r8a7792-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7792-cpg-mssr.c @@ -98,6 +98,7 @@ static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { DEF_MOD("tpu0", 304, R8A7792_CLK_CP), DEF_MOD("sdhi0", 314, R8A7792_CLK_SD), DEF_MOD("cmt1", 329, R8A7792_CLK_R), + DEF_MOD("rwdt", 402, R8A7792_CLK_R), DEF_MOD("irqc", 407, R8A7792_CLK_CP), DEF_MOD("intc-sys", 408, R8A7792_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7792_CLK_HP), @@ -154,6 +155,7 @@ static const struct mssr_mod_clk r8a7792_mod_clks[] __initconst = { }; static const unsigned int r8a7792_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7794-cpg-mssr.c b/drivers/clk/renesas/r8a7794-cpg-mssr.c index ec091a42da54..2a40bbeaeeaf 100644 --- a/drivers/clk/renesas/r8a7794-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7794-cpg-mssr.c @@ -121,6 +121,7 @@ static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = { DEF_MOD("cmt1", 329, R8A7794_CLK_R), DEF_MOD("usbhs-dmac0", 330, R8A7794_CLK_HP), DEF_MOD("usbhs-dmac1", 331, R8A7794_CLK_HP), + DEF_MOD("rwdt", 402, R8A7794_CLK_R), DEF_MOD("irqc", 407, R8A7794_CLK_CP), DEF_MOD("intc-sys", 408, R8A7794_CLK_ZS), DEF_MOD("audio-dmac0", 502, R8A7794_CLK_HP), @@ -190,6 +191,7 @@ static const struct mssr_mod_clk r8a7794_mod_clks[] __initconst = { }; static const unsigned int r8a7794_crit_mod_clks[] __initconst = { + MOD_CLK_ID(402), /* RWDT */ MOD_CLK_ID(408), /* INTC-SYS (GIC) */ }; diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index b1d9f48eae9e..775b0ceaa337 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -74,6 +74,8 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), /* Core Clock Outputs */ + DEF_BASE("z", R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_BASE("z2", R8A7795_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7795_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7795_CLK_ZT, CLK_PLL1_DIV2, 4, 1), diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index 41e29734126b..dfb267a92f2a 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -74,6 +74,8 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), /* Core Clock Outputs */ + DEF_BASE("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_BASE("z2", R8A7796_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), DEF_FIXED("ztr", R8A7796_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), DEF_FIXED("ztrd2", R8A7796_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("zt", R8A7796_CLK_ZT, CLK_PLL1_DIV2, 4, 1), diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c new file mode 100644 index 000000000000..b1acfb60351c --- /dev/null +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -0,0 +1,334 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77965 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org> + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a77965-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77965_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_SSPSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A77965_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_FIXED("ztr", R8A77965_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77965_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77965_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77965_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77965_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77965_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77965_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77965_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77965_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A77965_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A77965_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d1", R8A77965_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77965_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77965_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77965_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77965_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77965_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77965_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77965_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77965_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A77965_CLK_SD0, CLK_SDSRC, 0x074), + DEF_GEN3_SD("sd1", R8A77965_CLK_SD1, CLK_SDSRC, 0x078), + DEF_GEN3_SD("sd2", R8A77965_CLK_SD2, CLK_SDSRC, 0x268), + DEF_GEN3_SD("sd3", R8A77965_CLK_SD3, CLK_SDSRC, 0x26c), + + DEF_FIXED("cl", R8A77965_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77965_CLK_CP, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77965_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77965_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77965_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A77965_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_DIV6_RO("osc", R8A77965_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_BASE("r", R8A77965_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { + DEF_MOD("scif5", 202, R8A77965_CLK_S3D4), + DEF_MOD("scif4", 203, R8A77965_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77965_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77965_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77965_CLK_S3D4), + DEF_MOD("sys-dmac2", 217, R8A77965_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A77965_CLK_S0D3), + DEF_MOD("sys-dmac0", 219, R8A77965_CLK_S0D3), + + DEF_MOD("cmt3", 300, R8A77965_CLK_R), + DEF_MOD("cmt2", 301, R8A77965_CLK_R), + DEF_MOD("cmt1", 302, R8A77965_CLK_R), + DEF_MOD("cmt0", 303, R8A77965_CLK_R), + DEF_MOD("scif2", 310, R8A77965_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A77965_CLK_SD3), + DEF_MOD("sdif2", 312, R8A77965_CLK_SD2), + DEF_MOD("sdif1", 313, R8A77965_CLK_SD1), + DEF_MOD("sdif0", 314, R8A77965_CLK_SD0), + DEF_MOD("pcie1", 318, R8A77965_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A77965_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A77965_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A77965_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A77965_CLK_R), + DEF_MOD("intc-ex", 407, R8A77965_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77965_CLK_S0D3), + + DEF_MOD("audmac1", 501, R8A77965_CLK_S0D3), + DEF_MOD("audmac0", 502, R8A77965_CLK_S0D3), + DEF_MOD("drif7", 508, R8A77965_CLK_S3D2), + DEF_MOD("drif6", 509, R8A77965_CLK_S3D2), + DEF_MOD("drif5", 510, R8A77965_CLK_S3D2), + DEF_MOD("drif4", 511, R8A77965_CLK_S3D2), + DEF_MOD("drif3", 512, R8A77965_CLK_S3D2), + DEF_MOD("drif2", 513, R8A77965_CLK_S3D2), + DEF_MOD("drif1", 514, R8A77965_CLK_S3D2), + DEF_MOD("drif0", 515, R8A77965_CLK_S3D2), + DEF_MOD("hscif4", 516, R8A77965_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A77965_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77965_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77965_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77965_CLK_S3D1), + DEF_MOD("thermal", 522, R8A77965_CLK_CP), + DEF_MOD("pwm", 523, R8A77965_CLK_S0D12), + + DEF_MOD("fcpvd1", 602, R8A77965_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A77965_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A77965_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A77965_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A77965_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A77965_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A77965_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A77965_CLK_S0D2), + DEF_MOD("vspb", 626, R8A77965_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A77965_CLK_S0D1), + + DEF_MOD("ehci1", 702, R8A77965_CLK_S3D4), + DEF_MOD("ehci0", 703, R8A77965_CLK_S3D4), + DEF_MOD("hsusb", 704, R8A77965_CLK_S3D4), + DEF_MOD("csi20", 714, R8A77965_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77965_CLK_CSI0), + DEF_MOD("du3", 721, R8A77965_CLK_S2D1), + DEF_MOD("du1", 723, R8A77965_CLK_S2D1), + DEF_MOD("du0", 724, R8A77965_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77965_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A77965_CLK_HDMI), + + DEF_MOD("vin7", 804, R8A77965_CLK_S0D2), + DEF_MOD("vin6", 805, R8A77965_CLK_S0D2), + DEF_MOD("vin5", 806, R8A77965_CLK_S0D2), + DEF_MOD("vin4", 807, R8A77965_CLK_S0D2), + DEF_MOD("vin3", 808, R8A77965_CLK_S0D2), + DEF_MOD("vin2", 809, R8A77965_CLK_S0D2), + DEF_MOD("vin1", 810, R8A77965_CLK_S0D2), + DEF_MOD("vin0", 811, R8A77965_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A77965_CLK_S0D6), + DEF_MOD("imr1", 822, R8A77965_CLK_S0D2), + DEF_MOD("imr0", 823, R8A77965_CLK_S0D2), + + DEF_MOD("gpio7", 905, R8A77965_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A77965_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A77965_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A77965_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A77965_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A77965_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A77965_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A77965_CLK_S3D4), + DEF_MOD("can-fd", 914, R8A77965_CLK_S3D2), + DEF_MOD("can-if1", 915, R8A77965_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A77965_CLK_S3D4), + DEF_MOD("i2c6", 918, R8A77965_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A77965_CLK_S0D6), + DEF_MOD("i2c-dvfs", 926, R8A77965_CLK_CP), + DEF_MOD("i2c4", 927, R8A77965_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77965_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77965_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77965_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77965_CLK_S3D2), + + DEF_MOD("ssi-all", 1005, R8A77965_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A77965_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a77965_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 PLL4 + * 14 13 19 17 (MHz) + *----------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 + * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 + * 0 1 0 0 20 x 1 x150 x160 x160 x120 + * 0 1 0 1 20 x 1 x150 x160 x106 x120 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x160 x120 + * 1 0 0 0 25 x 1 x120 x128 x128 x96 + * 1 0 0 1 25 x 1 x120 x128 x84 x96 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x128 x96 + * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 + * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 192, 1, }, + { 1, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, }, + { 1, 160, 1, 160, 1, }, + { 1, 160, 1, 106, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, }, + { 1, 128, 1, 128, 1, }, + { 1, 128, 1, 84, 1, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, }, + { 2, 192, 1, 192, 1, }, + { 2, 192, 1, 128, 1, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, }, +}; + +static int __init r8a77965_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +}; + +const struct cpg_mssr_info r8a77965_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77965_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77965_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77965_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77965_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77965_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77965_crit_mod_clks), + + /* Callbacks */ + .init = r8a77965_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a77980-cpg-mssr.c b/drivers/clk/renesas/r8a77980-cpg-mssr.c new file mode 100644 index 000000000000..7aaae73a321a --- /dev/null +++ b/drivers/clk/renesas/r8a77980-cpg-mssr.c @@ -0,0 +1,227 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a77980 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * Copyright (C) 2018 Cogent Embedded, Inc. + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> +#include <linux/sys_soc.h> + +#include <dt-bindings/clock/r8a77980-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A77980_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a77980_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + /* Core Clock Outputs */ + DEF_FIXED("ztr", R8A77980_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A77980_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A77980_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A77980_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A77980_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A77980_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A77980_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A77980_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A77980_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A77980_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A77980_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A77980_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A77980_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A77980_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A77980_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A77980_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A77980_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A77980_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A77980_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A77980_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A77980_CLK_SD0, CLK_SDSRC, 0x0074), + + DEF_FIXED("cl", R8A77980_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A77980_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A77980_CLK_CPEX, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("canfd", R8A77980_CLK_CANFD, CLK_PLL1_DIV4, 0x244), + DEF_DIV6P1("csi0", R8A77980_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A77980_CLK_MSO, CLK_PLL1_DIV4, 0x014), +}; + +static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77980_CLK_S0D6), + DEF_MOD("tmu3", 122, R8A77980_CLK_S0D6), + DEF_MOD("tmu2", 123, R8A77980_CLK_S0D6), + DEF_MOD("tmu1", 124, R8A77980_CLK_S0D6), + DEF_MOD("tmu0", 125, R8A77980_CLK_CP), + DEF_MOD("scif4", 203, R8A77980_CLK_S3D4), + DEF_MOD("scif3", 204, R8A77980_CLK_S3D4), + DEF_MOD("scif1", 206, R8A77980_CLK_S3D4), + DEF_MOD("scif0", 207, R8A77980_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A77980_CLK_MSO), + DEF_MOD("msiof2", 209, R8A77980_CLK_MSO), + DEF_MOD("msiof1", 210, R8A77980_CLK_MSO), + DEF_MOD("msiof0", 211, R8A77980_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A77980_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A77980_CLK_S0D3), + DEF_MOD("tpu0", 304, R8A77980_CLK_S3D4), + DEF_MOD("sdif", 314, R8A77980_CLK_SD0), + DEF_MOD("pciec0", 319, R8A77980_CLK_S3D1), + DEF_MOD("intc-ex", 407, R8A77980_CLK_CP), + DEF_MOD("intc-ap", 408, R8A77980_CLK_S0D3), + DEF_MOD("hscif3", 517, R8A77980_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A77980_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A77980_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A77980_CLK_S3D1), + DEF_MOD("imp4", 521, R8A77980_CLK_S1D1), + DEF_MOD("thermal", 522, R8A77980_CLK_CP), + DEF_MOD("pwm", 523, R8A77980_CLK_S0D12), + DEF_MOD("impdma1", 526, R8A77980_CLK_S1D1), + DEF_MOD("impdma0", 527, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv4", 528, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv3", 529, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv2", 531, R8A77980_CLK_S1D1), + DEF_MOD("fcpvd0", 603, R8A77980_CLK_S3D1), + DEF_MOD("vspd0", 623, R8A77980_CLK_S3D1), + DEF_MOD("csi41", 715, R8A77980_CLK_CSI0), + DEF_MOD("csi40", 716, R8A77980_CLK_CSI0), + DEF_MOD("du0", 724, R8A77980_CLK_S2D1), + DEF_MOD("lvds", 727, R8A77980_CLK_S2D1), + DEF_MOD("etheravb", 812, R8A77980_CLK_S3D2), + DEF_MOD("gether", 813, R8A77980_CLK_S3D2), + DEF_MOD("imp3", 824, R8A77980_CLK_S1D1), + DEF_MOD("imp2", 825, R8A77980_CLK_S1D1), + DEF_MOD("imp1", 826, R8A77980_CLK_S1D1), + DEF_MOD("imp0", 827, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv1", 828, R8A77980_CLK_S1D1), + DEF_MOD("imp-ocv0", 829, R8A77980_CLK_S1D1), + DEF_MOD("impram", 830, R8A77980_CLK_S1D1), + DEF_MOD("impcnn", 831, R8A77980_CLK_S1D1), + DEF_MOD("gpio5", 907, R8A77980_CLK_CP), + DEF_MOD("gpio4", 908, R8A77980_CLK_CP), + DEF_MOD("gpio3", 909, R8A77980_CLK_CP), + DEF_MOD("gpio2", 910, R8A77980_CLK_CP), + DEF_MOD("gpio1", 911, R8A77980_CLK_CP), + DEF_MOD("gpio0", 912, R8A77980_CLK_CP), + DEF_MOD("can-fd", 914, R8A77980_CLK_S3D2), + DEF_MOD("i2c4", 927, R8A77980_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A77980_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A77980_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A77980_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A77980_CLK_S3D2), +}; + +static const unsigned int r8a77980_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL2 PLL1 PLL3 + * 14 13 (MHz) + * -------------------------------------------------- + * 0 0 16.66 x 1 x240 x192 x192 + * 0 1 20 x 1 x200 x160 x160 + * 1 0 27 x 1 x148 x118 x118 + * 1 1 33.33 / 2 x240 x192 x192 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ + (((md) & BIT(13)) >> 13)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 192, 1, 192, 1, }, + { 1, 160, 1, 160, 1, }, + { 1, 118, 1, 118, 1, }, + { 2, 192, 1, 192, 1, }, +}; + +static int __init r8a77980_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a77980_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a77980_core_clks, + .num_core_clks = ARRAY_SIZE(r8a77980_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a77980_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a77980_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a77980_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a77980_crit_mod_clks), + + /* Callbacks */ + .init = r8a77980_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index 0904886f5501..628b63b85d3f 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -13,6 +13,7 @@ */ #include <linux/bug.h> +#include <linux/bitfield.h> #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/device.h> @@ -62,6 +63,140 @@ static void cpg_simple_notifier_register(struct raw_notifier_head *notifiers, } /* + * Z Clock & Z2 Clock + * + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * enable - clk_enable only ensures that parents are enabled + * rate - rate is adjustable. clk->rate = (parent->rate * mult / 32 ) / 2 + * parent - fixed parent. No clk_set_parent support + */ +#define CPG_FRQCRB 0x00000004 +#define CPG_FRQCRB_KICK BIT(31) +#define CPG_FRQCRC 0x000000e0 +#define CPG_FRQCRC_ZFC_MASK GENMASK(12, 8) +#define CPG_FRQCRC_Z2FC_MASK GENMASK(4, 0) + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; + void __iomem *kick_reg; + unsigned long mask; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + u32 val; + + val = readl(zclk->reg) & zclk->mask; + mult = 32 - (val >> __ffs(zclk->mask)); + + /* Factor of 2 is for fixed divider */ + return DIV_ROUND_CLOSEST_ULL((u64)parent_rate * mult, 32 * 2); +} + +static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + /* Factor of 2 is for fixed divider */ + unsigned long prate = *parent_rate / 2; + unsigned int mult; + + mult = div_u64(rate * 32ULL, prate); + mult = clamp(mult, 1U, 32U); + + return (u64)prate * mult / 32; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int i; + u32 val, kick; + + /* Factor of 2 is for fixed divider */ + mult = DIV_ROUND_CLOSEST_ULL(rate * 32ULL * 2, parent_rate); + mult = clamp(mult, 1U, 32U); + + if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK) + return -EBUSY; + + val = readl(zclk->reg) & ~zclk->mask; + val |= ((32 - mult) << __ffs(zclk->mask)) & zclk->mask; + writel(val, zclk->reg); + + /* + * Set KICK bit in FRQCRB to update hardware setting and wait for + * clock change completion. + */ + kick = readl(zclk->kick_reg); + kick |= CPG_FRQCRB_KICK; + writel(kick, zclk->kick_reg); + + /* + * Note: There is no HW information about the worst case latency. + * + * Using experimental measurements, it seems that no more than + * ~10 iterations are needed, independently of the CPU rate. + * Since this value might be dependent of external xtal rate, pll1 + * rate or even the other emulation clocks rate, use 1000 as a + * "super" safe value. + */ + for (i = 1000; i; i--) { + if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK)) + return 0; + + cpu_relax(); + } + + return -ETIMEDOUT; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .round_rate = cpg_z_clk_round_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init cpg_z_clk_register(const char *name, + const char *parent_name, + void __iomem *reg, + unsigned long mask) +{ + struct clk_init_data init; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc(sizeof(*zclk), GFP_KERNEL); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = name; + init.ops = &cpg_z_clk_ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + zclk->reg = reg + CPG_FRQCRC; + zclk->kick_reg = reg + CPG_FRQCRB; + zclk->hw.init = &init; + zclk->mask = mask; + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) + kfree(zclk); + + return clk; +} + +/* * SDn Clock */ #define CPG_SD_STP_HCK BIT(9) @@ -420,6 +555,14 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, mult = 1; break; + case CLK_TYPE_GEN3_Z: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base, CPG_FRQCRC_ZFC_MASK); + + case CLK_TYPE_GEN3_Z2: + return cpg_z_clk_register(core->name, __clk_get_name(parent), + base, CPG_FRQCRC_Z2FC_MASK); + default: return ERR_PTR(-EINVAL); } diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h index 2e4284399f53..ea4f8fc3c4c9 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.h +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -21,6 +21,8 @@ enum rcar_gen3_clk_types { CLK_TYPE_GEN3_SD, CLK_TYPE_GEN3_R, CLK_TYPE_GEN3_PE, + CLK_TYPE_GEN3_Z, + CLK_TYPE_GEN3_Z2, }; #define DEF_GEN3_SD(_name, _id, _parent, _offset) \ diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index e3cc72c81311..4e88e980fb76 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -693,12 +693,24 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a7796_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A77965 + { + .compatible = "renesas,r8a77965-cpg-mssr", + .data = &r8a77965_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A77970 { .compatible = "renesas,r8a77970-cpg-mssr", .data = &r8a77970_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A77980 + { + .compatible = "renesas,r8a77980-cpg-mssr", + .data = &r8a77980_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A77995 { .compatible = "renesas,r8a77995-cpg-mssr", diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 0745b0930308..97ccb093c10f 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -139,7 +139,9 @@ extern const struct cpg_mssr_info r8a7792_cpg_mssr_info; extern const struct cpg_mssr_info r8a7794_cpg_mssr_info; extern const struct cpg_mssr_info r8a7795_cpg_mssr_info; extern const struct cpg_mssr_info r8a7796_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77965_cpg_mssr_info; extern const struct cpg_mssr_info r8a77970_cpg_mssr_info; +extern const struct cpg_mssr_info r8a77980_cpg_mssr_info; extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index 077fcdc7908b..026a26bb702d 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -25,6 +25,8 @@ struct rockchip_mmc_clock { void __iomem *reg; int id; int shift; + int cached_phase; + struct notifier_block clk_rate_change_nb; }; #define to_mmc_clock(_hw) container_of(_hw, struct rockchip_mmc_clock, hw) @@ -58,6 +60,12 @@ static int rockchip_mmc_get_phase(struct clk_hw *hw) u16 degrees; u32 delay_num = 0; + /* See the comment for rockchip_mmc_set_phase below */ + if (!rate) { + pr_err("%s: invalid clk rate\n", __func__); + return -EINVAL; + } + raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift); degrees = (raw_value & ROCKCHIP_MMC_DEGREE_MASK) * 90; @@ -84,6 +92,23 @@ static int rockchip_mmc_set_phase(struct clk_hw *hw, int degrees) u32 raw_value; u32 delay; + /* + * The below calculation is based on the output clock from + * MMC host to the card, which expects the phase clock inherits + * the clock rate from its parent, namely the output clock + * provider of MMC host. However, things may go wrong if + * (1) It is orphan. + * (2) It is assigned to the wrong parent. + * + * This check help debug the case (1), which seems to be the + * most likely problem we often face and which makes it difficult + * for people to debug unstable mmc tuning results. + */ + if (!rate) { + pr_err("%s: invalid clk rate\n", __func__); + return -EINVAL; + } + nineties = degrees / 90; remainder = (degrees % 90); @@ -139,6 +164,41 @@ static const struct clk_ops rockchip_mmc_clk_ops = { .set_phase = rockchip_mmc_set_phase, }; +#define to_rockchip_mmc_clock(x) \ + container_of(x, struct rockchip_mmc_clock, clk_rate_change_nb) +static int rockchip_mmc_clk_rate_notify(struct notifier_block *nb, + unsigned long event, void *data) +{ + struct rockchip_mmc_clock *mmc_clock = to_rockchip_mmc_clock(nb); + struct clk_notifier_data *ndata = data; + + /* + * rockchip_mmc_clk is mostly used by mmc controllers to sample + * the intput data, which expects the fixed phase after the tuning + * process. However if the clock rate is changed, the phase is stale + * and may break the data sampling. So here we try to restore the phase + * for that case, except that + * (1) cached_phase is invaild since we inevitably cached it when the + * clock provider be reparented from orphan to its real parent in the + * first place. Otherwise we may mess up the initialization of MMC cards + * since we only set the default sample phase and drive phase later on. + * (2) the new coming rate is higher than the older one since mmc driver + * set the max-frequency to match the boards' ability but we can't go + * over the heads of that, otherwise the tests smoke out the issue. + */ + if (ndata->old_rate <= ndata->new_rate) + return NOTIFY_DONE; + + if (event == PRE_RATE_CHANGE) + mmc_clock->cached_phase = + rockchip_mmc_get_phase(&mmc_clock->hw); + else if (mmc_clock->cached_phase != -EINVAL && + event == POST_RATE_CHANGE) + rockchip_mmc_set_phase(&mmc_clock->hw, mmc_clock->cached_phase); + + return NOTIFY_DONE; +} + struct clk *rockchip_clk_register_mmc(const char *name, const char *const *parent_names, u8 num_parents, void __iomem *reg, int shift) @@ -146,6 +206,7 @@ struct clk *rockchip_clk_register_mmc(const char *name, struct clk_init_data init; struct rockchip_mmc_clock *mmc_clock; struct clk *clk; + int ret; mmc_clock = kmalloc(sizeof(*mmc_clock), GFP_KERNEL); if (!mmc_clock) @@ -162,8 +223,21 @@ struct clk *rockchip_clk_register_mmc(const char *name, mmc_clock->shift = shift; clk = clk_register(NULL, &mmc_clock->hw); - if (IS_ERR(clk)) - kfree(mmc_clock); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto err_register; + } + + mmc_clock->clk_rate_change_nb.notifier_call = + &rockchip_mmc_clk_rate_notify; + ret = clk_notifier_register(clk, &mmc_clock->clk_rate_change_nb); + if (ret) + goto err_notifier; return clk; +err_notifier: + clk_unregister(clk); +err_register: + kfree(mmc_clock); + return ERR_PTR(ret); } diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index 11e7f2d1c054..7af48184b022 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -387,7 +387,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { RK2928_CLKSEL_CON(23), 5, 2, MFLAGS, 0, 6, DFLAGS, RK2928_CLKGATE_CON(2), 15, GFLAGS), - COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0, + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0, RK2928_CLKSEL_CON(11), 8, 2, MFLAGS, 0, 8, DFLAGS, RK2928_CLKGATE_CON(2), 11, GFLAGS), diff --git a/drivers/clk/rockchip/clk-rk3328.c b/drivers/clk/rockchip/clk-rk3328.c index b04f29774ee7..252366a5231f 100644 --- a/drivers/clk/rockchip/clk-rk3328.c +++ b/drivers/clk/rockchip/clk-rk3328.c @@ -304,7 +304,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED, RK3328_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, RK3328_CLKGATE_CON(7), 1, GFLAGS), - GATE(0, "aclk_core_niu", "aclk_core", CLK_IGNORE_UNUSED, + GATE(0, "aclk_core_niu", "aclk_core", 0, RK3328_CLKGATE_CON(13), 0, GFLAGS), GATE(0, "aclk_gic400", "aclk_core", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(13), 1, GFLAGS), @@ -318,7 +318,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { RK3328_CLKGATE_CON(6), 6, GFLAGS), GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", CLK_SET_RATE_PARENT, RK3328_CLKGATE_CON(14), 0, GFLAGS), - GATE(0, "aclk_gpu_niu", "aclk_gpu_pre", CLK_IGNORE_UNUSED, + GATE(0, "aclk_gpu_niu", "aclk_gpu_pre", 0, RK3328_CLKGATE_CON(14), 1, GFLAGS), /* PD_DDR */ @@ -513,9 +513,9 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { RK3328_CLKGATE_CON(24), 0, GFLAGS), GATE(HCLK_RKVDEC, "hclk_rkvdec", "hclk_rkvdec_pre", CLK_SET_RATE_PARENT, RK3328_CLKGATE_CON(24), 1, GFLAGS), - GATE(0, "aclk_rkvdec_niu", "aclk_rkvdec_pre", CLK_IGNORE_UNUSED, + GATE(0, "aclk_rkvdec_niu", "aclk_rkvdec_pre", 0, RK3328_CLKGATE_CON(24), 2, GFLAGS), - GATE(0, "hclk_rkvdec_niu", "hclk_rkvdec_pre", CLK_IGNORE_UNUSED, + GATE(0, "hclk_rkvdec_niu", "hclk_rkvdec_pre", 0, RK3328_CLKGATE_CON(24), 3, GFLAGS), COMPOSITE(SCLK_VDEC_CABAC, "sclk_vdec_cabac", mux_4plls_p, 0, @@ -535,9 +535,9 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { RK3328_CLKGATE_CON(23), 0, GFLAGS), GATE(HCLK_VPU, "hclk_vpu", "hclk_vpu_pre", CLK_SET_RATE_PARENT, RK3328_CLKGATE_CON(23), 1, GFLAGS), - GATE(0, "aclk_vpu_niu", "aclk_vpu_pre", CLK_IGNORE_UNUSED, + GATE(0, "aclk_vpu_niu", "aclk_vpu_pre", 0, RK3328_CLKGATE_CON(23), 2, GFLAGS), - GATE(0, "hclk_vpu_niu", "hclk_vpu_pre", CLK_IGNORE_UNUSED, + GATE(0, "hclk_vpu_niu", "hclk_vpu_pre", 0, RK3328_CLKGATE_CON(23), 3, GFLAGS), COMPOSITE(ACLK_RKVENC, "aclk_rkvenc", mux_4plls_p, 0, @@ -545,9 +545,9 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { RK3328_CLKGATE_CON(6), 3, GFLAGS), FACTOR_GATE(HCLK_RKVENC, "hclk_rkvenc", "aclk_rkvenc", 0, 1, 4, RK3328_CLKGATE_CON(11), 4, GFLAGS), - GATE(0, "aclk_rkvenc_niu", "aclk_rkvenc", CLK_IGNORE_UNUSED, + GATE(0, "aclk_rkvenc_niu", "aclk_rkvenc", 0, RK3328_CLKGATE_CON(25), 0, GFLAGS), - GATE(0, "hclk_rkvenc_niu", "hclk_rkvenc", CLK_IGNORE_UNUSED, + GATE(0, "hclk_rkvenc_niu", "hclk_rkvenc", 0, RK3328_CLKGATE_CON(25), 1, GFLAGS), GATE(ACLK_H265, "aclk_h265", "aclk_rkvenc", 0, RK3328_CLKGATE_CON(25), 0, GFLAGS), @@ -588,7 +588,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { COMPOSITE(ACLK_VOP_PRE, "aclk_vop_pre", mux_4plls_p, 0, RK3328_CLKSEL_CON(39), 6, 2, MFLAGS, 0, 5, DFLAGS, RK3328_CLKGATE_CON(5), 5, GFLAGS), - GATE(0, "clk_hdmi_sfc", "xin24m", 0, + GATE(SCLK_HDMI_SFC, "sclk_hdmi_sfc", "xin24m", 0, RK3328_CLKGATE_CON(5), 4, GFLAGS), COMPOSITE_NODIV(0, "clk_cif_src", mux_2plls_p, 0, @@ -602,7 +602,7 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { RK3328_CLKGATE_CON(5), 6, GFLAGS), DIV(DCLK_HDMIPHY, "dclk_hdmiphy", "dclk_lcdc_src", 0, RK3328_CLKSEL_CON(40), 3, 3, DFLAGS), - MUX(DCLK_LCDC, "dclk_lcdc", mux_dclk_lcdc_p, 0, + MUX(DCLK_LCDC, "dclk_lcdc", mux_dclk_lcdc_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, RK3328_CLKSEL_CON(40), 1, 1, MFLAGS), /* @@ -709,14 +709,14 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { /* PD_VOP */ GATE(ACLK_RGA, "aclk_rga", "aclk_rga_pre", 0, RK3328_CLKGATE_CON(21), 10, GFLAGS), - GATE(0, "aclk_rga_niu", "aclk_rga_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(22), 3, GFLAGS), + GATE(0, "aclk_rga_niu", "aclk_rga_pre", 0, RK3328_CLKGATE_CON(22), 3, GFLAGS), GATE(ACLK_VOP, "aclk_vop", "aclk_vop_pre", 0, RK3328_CLKGATE_CON(21), 2, GFLAGS), - GATE(0, "aclk_vop_niu", "aclk_vop_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 4, GFLAGS), + GATE(0, "aclk_vop_niu", "aclk_vop_pre", 0, RK3328_CLKGATE_CON(21), 4, GFLAGS), GATE(ACLK_IEP, "aclk_iep", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 6, GFLAGS), GATE(ACLK_CIF, "aclk_cif", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 8, GFLAGS), GATE(ACLK_HDCP, "aclk_hdcp", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 15, GFLAGS), - GATE(0, "aclk_vio_niu", "aclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(22), 2, GFLAGS), + GATE(0, "aclk_vio_niu", "aclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 2, GFLAGS), GATE(HCLK_VOP, "hclk_vop", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 3, GFLAGS), GATE(0, "hclk_vop_niu", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 5, GFLAGS), @@ -724,10 +724,10 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { GATE(HCLK_CIF, "hclk_cif", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 9, GFLAGS), GATE(HCLK_RGA, "hclk_rga", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 11, GFLAGS), GATE(0, "hclk_ahb1tom", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 12, GFLAGS), - GATE(0, "pclk_vio_h2p", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 13, GFLAGS), - GATE(0, "hclk_vio_h2p", "hclk_vio_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(21), 14, GFLAGS), + GATE(0, "pclk_vio_h2p", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 13, GFLAGS), + GATE(0, "hclk_vio_h2p", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(21), 14, GFLAGS), GATE(HCLK_HDCP, "hclk_hdcp", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 0, GFLAGS), - GATE(HCLK_VIO, "hclk_vio", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 1, GFLAGS), + GATE(0, "hclk_vio_niu", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 1, GFLAGS), GATE(PCLK_HDMI, "pclk_hdmi", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 4, GFLAGS), GATE(PCLK_HDCP, "pclk_hdcp", "hclk_vio_pre", 0, RK3328_CLKGATE_CON(22), 5, GFLAGS), @@ -743,19 +743,19 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { GATE(HCLK_HOST0_ARB, "hclk_host0_arb", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 7, GFLAGS), GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 8, GFLAGS), GATE(HCLK_OTG_PMU, "hclk_otg_pmu", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 9, GFLAGS), - GATE(0, "hclk_peri_niu", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 12, GFLAGS), - GATE(0, "pclk_peri_niu", "hclk_peri", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(19), 13, GFLAGS), + GATE(0, "hclk_peri_niu", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 12, GFLAGS), + GATE(0, "pclk_peri_niu", "hclk_peri", 0, RK3328_CLKGATE_CON(19), 13, GFLAGS), /* PD_GMAC */ GATE(ACLK_MAC2PHY, "aclk_mac2phy", "aclk_gmac", 0, RK3328_CLKGATE_CON(26), 0, GFLAGS), GATE(ACLK_MAC2IO, "aclk_mac2io", "aclk_gmac", 0, RK3328_CLKGATE_CON(26), 2, GFLAGS), - GATE(0, "aclk_gmac_niu", "aclk_gmac", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(26), 4, GFLAGS), + GATE(0, "aclk_gmac_niu", "aclk_gmac", 0, RK3328_CLKGATE_CON(26), 4, GFLAGS), GATE(PCLK_MAC2PHY, "pclk_mac2phy", "pclk_gmac", 0, RK3328_CLKGATE_CON(26), 1, GFLAGS), GATE(PCLK_MAC2IO, "pclk_mac2io", "pclk_gmac", 0, RK3328_CLKGATE_CON(26), 3, GFLAGS), - GATE(0, "pclk_gmac_niu", "pclk_gmac", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(26), 5, GFLAGS), + GATE(0, "pclk_gmac_niu", "pclk_gmac", 0, RK3328_CLKGATE_CON(26), 5, GFLAGS), /* PD_BUS */ - GATE(0, "aclk_bus_niu", "aclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 12, GFLAGS), + GATE(0, "aclk_bus_niu", "aclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 12, GFLAGS), GATE(ACLK_DCF, "aclk_dcf", "aclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 11, GFLAGS), GATE(ACLK_TSP, "aclk_tsp", "aclk_bus_pre", 0, RK3328_CLKGATE_CON(17), 12, GFLAGS), GATE(0, "aclk_intmem", "aclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 0, GFLAGS), @@ -769,10 +769,10 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { GATE(HCLK_TSP, "hclk_tsp", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(17), 11, GFLAGS), GATE(HCLK_CRYPTO_MST, "hclk_crypto_mst", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 7, GFLAGS), GATE(HCLK_CRYPTO_SLV, "hclk_crypto_slv", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 8, GFLAGS), - GATE(0, "hclk_bus_niu", "hclk_bus_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 13, GFLAGS), + GATE(0, "hclk_bus_niu", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(15), 13, GFLAGS), GATE(HCLK_PDM, "hclk_pdm", "hclk_bus_pre", 0, RK3328_CLKGATE_CON(28), 0, GFLAGS), - GATE(0, "pclk_bus_niu", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 14, GFLAGS), + GATE(0, "pclk_bus_niu", "pclk_bus", 0, RK3328_CLKGATE_CON(15), 14, GFLAGS), GATE(0, "pclk_efuse", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 9, GFLAGS), GATE(0, "pclk_otp", "pclk_bus", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(28), 4, GFLAGS), GATE(PCLK_I2C0, "pclk_i2c0", "pclk_bus", 0, RK3328_CLKGATE_CON(15), 10, GFLAGS), @@ -807,37 +807,42 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = { GATE(0, "pclk_acodecphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 5, GFLAGS), GATE(PCLK_HDMIPHY, "pclk_hdmiphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 7, GFLAGS), GATE(0, "pclk_vdacphy", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(17), 8, GFLAGS), - GATE(0, "pclk_phy_niu", "pclk_phy_pre", CLK_IGNORE_UNUSED, RK3328_CLKGATE_CON(15), 15, GFLAGS), + GATE(0, "pclk_phy_niu", "pclk_phy_pre", 0, RK3328_CLKGATE_CON(15), 15, GFLAGS), /* PD_MMC */ - MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", + MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "clk_sdmmc", RK3328_SDMMC_CON0, 1), - MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", + MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "clk_sdmmc", RK3328_SDMMC_CON1, 1), - MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", + MMC(SCLK_SDIO_DRV, "sdio_drv", "clk_sdio", RK3328_SDIO_CON0, 1), - MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", + MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "clk_sdio", RK3328_SDIO_CON1, 1), - MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", + MMC(SCLK_EMMC_DRV, "emmc_drv", "clk_emmc", RK3328_EMMC_CON0, 1), - MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", + MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "clk_emmc", RK3328_EMMC_CON1, 1), - MMC(SCLK_SDMMC_EXT_DRV, "sdmmc_ext_drv", "sclk_sdmmc_ext", + MMC(SCLK_SDMMC_EXT_DRV, "sdmmc_ext_drv", "clk_sdmmc_ext", RK3328_SDMMC_EXT_CON0, 1), - MMC(SCLK_SDMMC_EXT_SAMPLE, "sdmmc_ext_sample", "sclk_sdmmc_ext", + MMC(SCLK_SDMMC_EXT_SAMPLE, "sdmmc_ext_sample", "clk_sdmmc_ext", RK3328_SDMMC_EXT_CON1, 1), }; static const char *const rk3328_critical_clocks[] __initconst = { "aclk_bus", + "aclk_bus_niu", "pclk_bus", + "pclk_bus_niu", "hclk_bus", + "hclk_bus_niu", "aclk_peri", "hclk_peri", + "hclk_peri_niu", "pclk_peri", + "pclk_peri_niu", "pclk_dbg", "aclk_core_niu", "aclk_gic400", @@ -861,6 +866,20 @@ static const char *const rk3328_critical_clocks[] __initconst = { "aclk_rga_niu", "pclk_vio_h2p", "hclk_vio_h2p", + "aclk_vio_niu", + "hclk_vio_niu", + "aclk_vop_niu", + "hclk_vop_niu", + "aclk_gpu_niu", + "aclk_rkvdec_niu", + "hclk_rkvdec_niu", + "aclk_vpu_niu", + "hclk_vpu_niu", + "aclk_rkvenc_niu", + "hclk_rkvenc_niu", + "aclk_gmac_niu", + "pclk_gmac_niu", + "pclk_phy_niu", }; static void __init rk3328_clk_init(struct device_node *np) diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index 6847120b61cd..bca10d618f0a 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -57,6 +57,7 @@ static struct rockchip_pll_rate_table rk3399_pll_rates[] = { RK3036_PLL_RATE(1656000000, 1, 69, 1, 1, 1, 0), RK3036_PLL_RATE(1632000000, 1, 68, 1, 1, 1, 0), RK3036_PLL_RATE(1608000000, 1, 67, 1, 1, 1, 0), + RK3036_PLL_RATE(1600000000, 3, 200, 1, 1, 1, 0), RK3036_PLL_RATE(1584000000, 1, 66, 1, 1, 1, 0), RK3036_PLL_RATE(1560000000, 1, 65, 1, 1, 1, 0), RK3036_PLL_RATE(1536000000, 1, 64, 1, 1, 1, 0), @@ -670,7 +671,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { RK3399_CLKGATE_CON(9), 7, GFLAGS, &rk3399_uart3_fracmux), - COMPOSITE(0, "pclk_ddr", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, + COMPOSITE(PCLK_DDR, "pclk_ddr", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED, RK3399_CLKSEL_CON(6), 15, 1, MFLAGS, 8, 5, DFLAGS, RK3399_CLKGATE_CON(3), 4, GFLAGS), @@ -886,7 +887,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { RK3399_CLKGATE_CON(31), 8, GFLAGS), /* sdio & sdmmc */ - COMPOSITE(0, "hclk_sd", mux_pll_src_cpll_gpll_p, 0, + COMPOSITE(HCLK_SD, "hclk_sd", mux_pll_src_cpll_gpll_p, 0, RK3399_CLKSEL_CON(13), 15, 1, MFLAGS, 8, 5, DFLAGS, RK3399_CLKGATE_CON(12), 13, GFLAGS), GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_sd", 0, diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index 35dbd63c2f49..3cd8ad59e0b7 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -57,6 +57,7 @@ static struct clk *rockchip_clk_register_branch(const char *name, struct clk_divider *div = NULL; const struct clk_ops *mux_ops = NULL, *div_ops = NULL, *gate_ops = NULL; + int ret; if (num_parents > 1) { mux = kzalloc(sizeof(*mux), GFP_KERNEL); @@ -74,8 +75,10 @@ static struct clk *rockchip_clk_register_branch(const char *name, if (gate_offset >= 0) { gate = kzalloc(sizeof(*gate), GFP_KERNEL); - if (!gate) + if (!gate) { + ret = -ENOMEM; goto err_gate; + } gate->flags = gate_flags; gate->reg = base + gate_offset; @@ -86,8 +89,10 @@ static struct clk *rockchip_clk_register_branch(const char *name, if (div_width > 0) { div = kzalloc(sizeof(*div), GFP_KERNEL); - if (!div) + if (!div) { + ret = -ENOMEM; goto err_div; + } div->flags = div_flags; div->reg = base + muxdiv_offset; @@ -106,12 +111,19 @@ static struct clk *rockchip_clk_register_branch(const char *name, gate ? &gate->hw : NULL, gate_ops, flags); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto err_composite; + } + return clk; +err_composite: + kfree(div); err_div: kfree(gate); err_gate: kfree(mux); - return ERR_PTR(-ENOMEM); + return ERR_PTR(ret); } struct rockchip_clk_frac { @@ -291,8 +303,10 @@ static struct clk *rockchip_clk_register_frac_branch( init.num_parents = child->num_parents; mux_clk = clk_register(NULL, &frac_mux->hw); - if (IS_ERR(mux_clk)) + if (IS_ERR(mux_clk)) { + kfree(frac); return clk; + } rockchip_clk_add_lookup(ctx, mux_clk, child->id); diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index ef8900bc077f..513826393158 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -8,9 +8,11 @@ obj-$(CONFIG_SOC_EXYNOS3250) += clk-exynos3250.o obj-$(CONFIG_ARCH_EXYNOS4) += clk-exynos4.o obj-$(CONFIG_ARCH_EXYNOS4) += clk-exynos4412-isp.o obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o +obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5-subcmu.o obj-$(CONFIG_SOC_EXYNOS5260) += clk-exynos5260.o obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o +obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5-subcmu.o obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos5433.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_EXYNOS_AUDSS_CLK_CON) += clk-exynos-audss.o diff --git a/drivers/clk/samsung/clk-exynos-audss.c b/drivers/clk/samsung/clk-exynos-audss.c index 5bfc92ee3129..b4b057c7301c 100644 --- a/drivers/clk/samsung/clk-exynos-audss.c +++ b/drivers/clk/samsung/clk-exynos-audss.c @@ -143,10 +143,8 @@ static int exynos_audss_clk_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); - if (IS_ERR(reg_base)) { - dev_err(dev, "failed to map audss registers\n"); + if (IS_ERR(reg_base)) return PTR_ERR(reg_base); - } epll = ERR_PTR(-ENODEV); diff --git a/drivers/clk/samsung/clk-exynos3250.c b/drivers/clk/samsung/clk-exynos3250.c index 1b81e283f605..27c9d23657b3 100644 --- a/drivers/clk/samsung/clk-exynos3250.c +++ b/drivers/clk/samsung/clk-exynos3250.c @@ -670,73 +670,73 @@ static const struct samsung_gate_clock gate_clks[] __initconst = { /* APLL & MPLL & BPLL & UPLL */ static const struct samsung_pll_rate_table exynos3250_pll_rates[] __initconst = { - PLL_35XX_RATE(1200000000, 400, 4, 1), - PLL_35XX_RATE(1100000000, 275, 3, 1), - PLL_35XX_RATE(1066000000, 533, 6, 1), - PLL_35XX_RATE(1000000000, 250, 3, 1), - PLL_35XX_RATE( 960000000, 320, 4, 1), - PLL_35XX_RATE( 900000000, 300, 4, 1), - PLL_35XX_RATE( 850000000, 425, 6, 1), - PLL_35XX_RATE( 800000000, 200, 3, 1), - PLL_35XX_RATE( 700000000, 175, 3, 1), - PLL_35XX_RATE( 667000000, 667, 12, 1), - PLL_35XX_RATE( 600000000, 400, 4, 2), - PLL_35XX_RATE( 533000000, 533, 6, 2), - PLL_35XX_RATE( 520000000, 260, 3, 2), - PLL_35XX_RATE( 500000000, 250, 3, 2), - PLL_35XX_RATE( 400000000, 200, 3, 2), - PLL_35XX_RATE( 200000000, 200, 3, 3), - PLL_35XX_RATE( 100000000, 200, 3, 4), + PLL_35XX_RATE(24 * MHZ, 1200000000, 400, 4, 1), + PLL_35XX_RATE(24 * MHZ, 1100000000, 275, 3, 1), + PLL_35XX_RATE(24 * MHZ, 1066000000, 533, 6, 1), + PLL_35XX_RATE(24 * MHZ, 1000000000, 250, 3, 1), + PLL_35XX_RATE(24 * MHZ, 960000000, 320, 4, 1), + PLL_35XX_RATE(24 * MHZ, 900000000, 300, 4, 1), + PLL_35XX_RATE(24 * MHZ, 850000000, 425, 6, 1), + PLL_35XX_RATE(24 * MHZ, 800000000, 200, 3, 1), + PLL_35XX_RATE(24 * MHZ, 700000000, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 667000000, 667, 12, 1), + PLL_35XX_RATE(24 * MHZ, 600000000, 400, 4, 2), + PLL_35XX_RATE(24 * MHZ, 533000000, 533, 6, 2), + PLL_35XX_RATE(24 * MHZ, 520000000, 260, 3, 2), + PLL_35XX_RATE(24 * MHZ, 500000000, 250, 3, 2), + PLL_35XX_RATE(24 * MHZ, 400000000, 200, 3, 2), + PLL_35XX_RATE(24 * MHZ, 200000000, 200, 3, 3), + PLL_35XX_RATE(24 * MHZ, 100000000, 200, 3, 4), { /* sentinel */ } }; /* EPLL */ static const struct samsung_pll_rate_table exynos3250_epll_rates[] __initconst = { - PLL_36XX_RATE(800000000, 200, 3, 1, 0), - PLL_36XX_RATE(288000000, 96, 2, 2, 0), - PLL_36XX_RATE(192000000, 128, 2, 3, 0), - PLL_36XX_RATE(144000000, 96, 2, 3, 0), - PLL_36XX_RATE( 96000000, 128, 2, 4, 0), - PLL_36XX_RATE( 84000000, 112, 2, 4, 0), - PLL_36XX_RATE( 80000004, 106, 2, 4, 43691), - PLL_36XX_RATE( 73728000, 98, 2, 4, 19923), - PLL_36XX_RATE( 67737598, 270, 3, 5, 62285), - PLL_36XX_RATE( 65535999, 174, 2, 5, 49982), - PLL_36XX_RATE( 50000000, 200, 3, 5, 0), - PLL_36XX_RATE( 49152002, 131, 2, 5, 4719), - PLL_36XX_RATE( 48000000, 128, 2, 5, 0), - PLL_36XX_RATE( 45158401, 180, 3, 5, 41524), + PLL_36XX_RATE(24 * MHZ, 800000000, 200, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 288000000, 96, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 192000000, 128, 2, 3, 0), + PLL_36XX_RATE(24 * MHZ, 144000000, 96, 2, 3, 0), + PLL_36XX_RATE(24 * MHZ, 96000000, 128, 2, 4, 0), + PLL_36XX_RATE(24 * MHZ, 84000000, 112, 2, 4, 0), + PLL_36XX_RATE(24 * MHZ, 80000003, 106, 2, 4, 43691), + PLL_36XX_RATE(24 * MHZ, 73728000, 98, 2, 4, 19923), + PLL_36XX_RATE(24 * MHZ, 67737598, 270, 3, 5, 62285), + PLL_36XX_RATE(24 * MHZ, 65535999, 174, 2, 5, 49982), + PLL_36XX_RATE(24 * MHZ, 50000000, 200, 3, 5, 0), + PLL_36XX_RATE(24 * MHZ, 49152002, 131, 2, 5, 4719), + PLL_36XX_RATE(24 * MHZ, 48000000, 128, 2, 5, 0), + PLL_36XX_RATE(24 * MHZ, 45158401, 180, 3, 5, 41524), { /* sentinel */ } }; /* VPLL */ static const struct samsung_pll_rate_table exynos3250_vpll_rates[] __initconst = { - PLL_36XX_RATE(600000000, 100, 2, 1, 0), - PLL_36XX_RATE(533000000, 266, 3, 2, 32768), - PLL_36XX_RATE(519230987, 173, 2, 2, 5046), - PLL_36XX_RATE(500000000, 250, 3, 2, 0), - PLL_36XX_RATE(445500000, 148, 2, 2, 32768), - PLL_36XX_RATE(445055007, 148, 2, 2, 23047), - PLL_36XX_RATE(400000000, 200, 3, 2, 0), - PLL_36XX_RATE(371250000, 123, 2, 2, 49152), - PLL_36XX_RATE(370878997, 185, 3, 2, 28803), - PLL_36XX_RATE(340000000, 170, 3, 2, 0), - PLL_36XX_RATE(335000015, 111, 2, 2, 43691), - PLL_36XX_RATE(333000000, 111, 2, 2, 0), - PLL_36XX_RATE(330000000, 110, 2, 2, 0), - PLL_36XX_RATE(320000015, 106, 2, 2, 43691), - PLL_36XX_RATE(300000000, 100, 2, 2, 0), - PLL_36XX_RATE(275000000, 275, 3, 3, 0), - PLL_36XX_RATE(222750000, 148, 2, 3, 32768), - PLL_36XX_RATE(222528007, 148, 2, 3, 23069), - PLL_36XX_RATE(160000000, 160, 3, 3, 0), - PLL_36XX_RATE(148500000, 99, 2, 3, 0), - PLL_36XX_RATE(148352005, 98, 2, 3, 59070), - PLL_36XX_RATE(108000000, 144, 2, 4, 0), - PLL_36XX_RATE( 74250000, 99, 2, 4, 0), - PLL_36XX_RATE( 74176002, 98, 3, 4, 59070), - PLL_36XX_RATE( 54054000, 216, 3, 5, 14156), - PLL_36XX_RATE( 54000000, 144, 2, 5, 0), + PLL_36XX_RATE(24 * MHZ, 600000000, 100, 2, 1, 0), + PLL_36XX_RATE(24 * MHZ, 533000000, 266, 3, 2, 32768), + PLL_36XX_RATE(24 * MHZ, 519230987, 173, 2, 2, 5046), + PLL_36XX_RATE(24 * MHZ, 500000000, 250, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 445500000, 148, 2, 2, 32768), + PLL_36XX_RATE(24 * MHZ, 445055007, 148, 2, 2, 23047), + PLL_36XX_RATE(24 * MHZ, 400000000, 200, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 371250000, 123, 2, 2, 49152), + PLL_36XX_RATE(24 * MHZ, 370878997, 185, 3, 2, 28803), + PLL_36XX_RATE(24 * MHZ, 340000000, 170, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 335000015, 111, 2, 2, 43691), + PLL_36XX_RATE(24 * MHZ, 333000000, 111, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 330000000, 110, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 320000015, 106, 2, 2, 43691), + PLL_36XX_RATE(24 * MHZ, 300000000, 100, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 275000000, 275, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 222750000, 148, 2, 3, 32768), + PLL_36XX_RATE(24 * MHZ, 222528007, 148, 2, 3, 23069), + PLL_36XX_RATE(24 * MHZ, 160000000, 160, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 148500000, 99, 2, 3, 0), + PLL_36XX_RATE(24 * MHZ, 148352005, 98, 2, 3, 59070), + PLL_36XX_RATE(24 * MHZ, 108000000, 144, 2, 4, 0), + PLL_36XX_RATE(24 * MHZ, 74250000, 99, 2, 4, 0), + PLL_36XX_RATE(24 * MHZ, 74176002, 98, 2, 4, 59070), + PLL_36XX_RATE(24 * MHZ, 54054000, 216, 3, 5, 14156), + PLL_36XX_RATE(24 * MHZ, 54000000, 144, 2, 5, 0), { /* sentinel */ } }; diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 134f25f2a913..0421960eb963 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1266,77 +1266,78 @@ static const struct of_device_id ext_clk_match[] __initconst = { /* PLLs PMS values */ static const struct samsung_pll_rate_table exynos4210_apll_rates[] __initconst = { - PLL_45XX_RATE(1200000000, 150, 3, 1, 28), - PLL_45XX_RATE(1000000000, 250, 6, 1, 28), - PLL_45XX_RATE( 800000000, 200, 6, 1, 28), - PLL_45XX_RATE( 666857142, 389, 14, 1, 13), - PLL_45XX_RATE( 600000000, 100, 4, 1, 13), - PLL_45XX_RATE( 533000000, 533, 24, 1, 5), - PLL_45XX_RATE( 500000000, 250, 6, 2, 28), - PLL_45XX_RATE( 400000000, 200, 6, 2, 28), - PLL_45XX_RATE( 200000000, 200, 6, 3, 28), + PLL_4508_RATE(24 * MHZ, 1200000000, 150, 3, 1, 28), + PLL_4508_RATE(24 * MHZ, 1000000000, 250, 6, 1, 28), + PLL_4508_RATE(24 * MHZ, 800000000, 200, 6, 1, 28), + PLL_4508_RATE(24 * MHZ, 666857142, 389, 14, 1, 13), + PLL_4508_RATE(24 * MHZ, 600000000, 100, 4, 1, 13), + PLL_4508_RATE(24 * MHZ, 533000000, 533, 24, 1, 5), + PLL_4508_RATE(24 * MHZ, 500000000, 250, 6, 2, 28), + PLL_4508_RATE(24 * MHZ, 400000000, 200, 6, 2, 28), + PLL_4508_RATE(24 * MHZ, 200000000, 200, 6, 3, 28), { /* sentinel */ } }; static const struct samsung_pll_rate_table exynos4210_epll_rates[] __initconst = { - PLL_4600_RATE(192000000, 48, 3, 1, 0, 0), - PLL_4600_RATE(180633605, 45, 3, 1, 10381, 0), - PLL_4600_RATE(180000000, 45, 3, 1, 0, 0), - PLL_4600_RATE( 73727996, 73, 3, 3, 47710, 1), - PLL_4600_RATE( 67737602, 90, 4, 3, 20762, 1), - PLL_4600_RATE( 49151992, 49, 3, 3, 9961, 0), - PLL_4600_RATE( 45158401, 45, 3, 3, 10381, 0), + PLL_4600_RATE(24 * MHZ, 192000000, 48, 3, 1, 0, 0), + PLL_4600_RATE(24 * MHZ, 180633605, 45, 3, 1, 10381, 0), + PLL_4600_RATE(24 * MHZ, 180000000, 45, 3, 1, 0, 0), + PLL_4600_RATE(24 * MHZ, 73727996, 73, 3, 3, 47710, 1), + PLL_4600_RATE(24 * MHZ, 67737602, 90, 4, 3, 20762, 1), + PLL_4600_RATE(24 * MHZ, 49151992, 49, 3, 3, 9961, 0), + PLL_4600_RATE(24 * MHZ, 45158401, 45, 3, 3, 10381, 0), { /* sentinel */ } }; static const struct samsung_pll_rate_table exynos4210_vpll_rates[] __initconst = { - PLL_4650_RATE(360000000, 44, 3, 0, 1024, 0, 14, 0), - PLL_4650_RATE(324000000, 53, 2, 1, 1024, 1, 1, 1), - PLL_4650_RATE(259617187, 63, 3, 1, 1950, 0, 20, 1), - PLL_4650_RATE(110000000, 53, 3, 2, 2048, 0, 17, 0), - PLL_4650_RATE( 55360351, 53, 3, 3, 2417, 0, 17, 0), + PLL_4650_RATE(24 * MHZ, 360000000, 44, 3, 0, 1024, 0, 14, 0), + PLL_4650_RATE(24 * MHZ, 324000000, 53, 2, 1, 1024, 1, 1, 1), + PLL_4650_RATE(24 * MHZ, 259617187, 63, 3, 1, 1950, 0, 20, 1), + PLL_4650_RATE(24 * MHZ, 110000000, 53, 3, 2, 2048, 0, 17, 0), + PLL_4650_RATE(24 * MHZ, 55360351, 53, 3, 3, 2417, 0, 17, 0), { /* sentinel */ } }; static const struct samsung_pll_rate_table exynos4x12_apll_rates[] __initconst = { - PLL_35XX_RATE(1704000000, 213, 3, 0), - PLL_35XX_RATE(1600000000, 200, 3, 0), - PLL_35XX_RATE(1500000000, 250, 4, 0), - PLL_35XX_RATE(1400000000, 175, 3, 0), - PLL_35XX_RATE(1300000000, 325, 6, 0), - PLL_35XX_RATE(1200000000, 200, 4, 0), - PLL_35XX_RATE(1100000000, 275, 6, 0), - PLL_35XX_RATE(1000000000, 125, 3, 0), - PLL_35XX_RATE( 900000000, 150, 4, 0), - PLL_35XX_RATE( 800000000, 100, 3, 0), - PLL_35XX_RATE( 700000000, 175, 3, 1), - PLL_35XX_RATE( 600000000, 200, 4, 1), - PLL_35XX_RATE( 500000000, 125, 3, 1), - PLL_35XX_RATE( 400000000, 100, 3, 1), - PLL_35XX_RATE( 300000000, 200, 4, 2), - PLL_35XX_RATE( 200000000, 100, 3, 2), + PLL_35XX_RATE(24 * MHZ, 1704000000, 213, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1600000000, 200, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1500000000, 250, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1400000000, 175, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1300000000, 325, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1200000000, 200, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1100000000, 275, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1000000000, 125, 3, 0), + PLL_35XX_RATE(24 * MHZ, 900000000, 150, 4, 0), + PLL_35XX_RATE(24 * MHZ, 800000000, 100, 3, 0), + PLL_35XX_RATE(24 * MHZ, 700000000, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 600000000, 200, 4, 1), + PLL_35XX_RATE(24 * MHZ, 500000000, 125, 3, 1), + PLL_35XX_RATE(24 * MHZ, 400000000, 100, 3, 1), + PLL_35XX_RATE(24 * MHZ, 300000000, 200, 4, 2), + PLL_35XX_RATE(24 * MHZ, 200000000, 100, 3, 2), { /* sentinel */ } }; static const struct samsung_pll_rate_table exynos4x12_epll_rates[] __initconst = { - PLL_36XX_RATE(192000000, 48, 3, 1, 0), - PLL_36XX_RATE(180633605, 45, 3, 1, 10381), - PLL_36XX_RATE(180000000, 45, 3, 1, 0), - PLL_36XX_RATE( 73727996, 73, 3, 3, 47710), - PLL_36XX_RATE( 67737602, 90, 4, 3, 20762), - PLL_36XX_RATE( 49151992, 49, 3, 3, 9961), - PLL_36XX_RATE( 45158401, 45, 3, 3, 10381), + PLL_36XX_RATE(24 * MHZ, 196608001, 197, 3, 3, -25690), + PLL_36XX_RATE(24 * MHZ, 192000000, 48, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 180633605, 45, 3, 1, 10381), + PLL_36XX_RATE(24 * MHZ, 180000000, 45, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 73727996, 73, 3, 3, 47710), + PLL_36XX_RATE(24 * MHZ, 67737602, 90, 4, 3, 20762), + PLL_36XX_RATE(24 * MHZ, 49151992, 49, 3, 3, 9961), + PLL_36XX_RATE(24 * MHZ, 45158401, 45, 3, 3, 10381), { /* sentinel */ } }; static const struct samsung_pll_rate_table exynos4x12_vpll_rates[] __initconst = { - PLL_36XX_RATE(533000000, 133, 3, 1, 16384), - PLL_36XX_RATE(440000000, 110, 3, 1, 0), - PLL_36XX_RATE(350000000, 175, 3, 2, 0), - PLL_36XX_RATE(266000000, 133, 3, 2, 0), - PLL_36XX_RATE(160000000, 160, 3, 3, 0), - PLL_36XX_RATE(106031250, 53, 3, 2, 1024), - PLL_36XX_RATE( 53015625, 53, 3, 3, 1024), + PLL_36XX_RATE(24 * MHZ, 533000000, 133, 3, 1, 16384), + PLL_36XX_RATE(24 * MHZ, 440000000, 110, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 350000000, 175, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 266000000, 133, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 160000000, 160, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 106031250, 53, 3, 2, 1024), + PLL_36XX_RATE(24 * MHZ, 53015625, 53, 3, 3, 1024), { /* sentinel */ } }; diff --git a/drivers/clk/samsung/clk-exynos5-subcmu.c b/drivers/clk/samsung/clk-exynos5-subcmu.c new file mode 100644 index 000000000000..93306283d764 --- /dev/null +++ b/drivers/clk/samsung/clk-exynos5-subcmu.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2018 Samsung Electronics Co., Ltd. +// Author: Marek Szyprowski <m.szyprowski@samsung.com> +// Common Clock Framework support for Exynos5 power-domain dependent clocks + +#include <linux/of_platform.h> +#include <linux/platform_device.h> +#include <linux/pm_domain.h> +#include <linux/pm_runtime.h> + +#include "clk.h" +#include "clk-exynos5-subcmu.h" + +static struct samsung_clk_provider *ctx; +static const struct exynos5_subcmu_info *cmu; +static int nr_cmus; + +static void exynos5_subcmu_clk_save(void __iomem *base, + struct exynos5_subcmu_reg_dump *rd, + unsigned int num_regs) +{ + for (; num_regs > 0; --num_regs, ++rd) { + rd->save = readl(base + rd->offset); + writel((rd->save & ~rd->mask) | rd->value, base + rd->offset); + rd->save &= rd->mask; + } +}; + +static void exynos5_subcmu_clk_restore(void __iomem *base, + struct exynos5_subcmu_reg_dump *rd, + unsigned int num_regs) +{ + for (; num_regs > 0; --num_regs, ++rd) + writel((readl(base + rd->offset) & ~rd->mask) | rd->save, + base + rd->offset); +} + +static void exynos5_subcmu_defer_gate(struct samsung_clk_provider *ctx, + const struct samsung_gate_clock *list, int nr_clk) +{ + while (nr_clk--) + samsung_clk_add_lookup(ctx, ERR_PTR(-EPROBE_DEFER), list++->id); +} + +/* + * Pass the needed clock provider context and register sub-CMU clocks + * + * NOTE: This function has to be called from the main, OF_CLK_DECLARE- + * initialized clock provider driver. This happens very early during boot + * process. Then this driver, during core_initcall registers two platform + * drivers: one which binds to the same device-tree node as OF_CLK_DECLARE + * driver and second, for handling its per-domain child-devices. Those + * platform drivers are bound to their devices a bit later in arch_initcall, + * when OF-core populates all device-tree nodes. + */ +void exynos5_subcmus_init(struct samsung_clk_provider *_ctx, int _nr_cmus, + const struct exynos5_subcmu_info *_cmu) +{ + ctx = _ctx; + cmu = _cmu; + nr_cmus = _nr_cmus; + + for (; _nr_cmus--; _cmu++) { + exynos5_subcmu_defer_gate(ctx, _cmu->gate_clks, + _cmu->nr_gate_clks); + exynos5_subcmu_clk_save(ctx->reg_base, _cmu->suspend_regs, + _cmu->nr_suspend_regs); + } +} + +static int __maybe_unused exynos5_subcmu_suspend(struct device *dev) +{ + struct exynos5_subcmu_info *info = dev_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&ctx->lock, flags); + exynos5_subcmu_clk_save(ctx->reg_base, info->suspend_regs, + info->nr_suspend_regs); + spin_unlock_irqrestore(&ctx->lock, flags); + + return 0; +} + +static int __maybe_unused exynos5_subcmu_resume(struct device *dev) +{ + struct exynos5_subcmu_info *info = dev_get_drvdata(dev); + unsigned long flags; + + spin_lock_irqsave(&ctx->lock, flags); + exynos5_subcmu_clk_restore(ctx->reg_base, info->suspend_regs, + info->nr_suspend_regs); + spin_unlock_irqrestore(&ctx->lock, flags); + + return 0; +} + +static int __init exynos5_subcmu_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct exynos5_subcmu_info *info = dev_get_drvdata(dev); + + pm_runtime_set_suspended(dev); + pm_runtime_enable(dev); + pm_runtime_get(dev); + + ctx->dev = dev; + samsung_clk_register_div(ctx, info->div_clks, info->nr_div_clks); + samsung_clk_register_gate(ctx, info->gate_clks, info->nr_gate_clks); + ctx->dev = NULL; + + pm_runtime_put_sync(dev); + + return 0; +} + +static const struct dev_pm_ops exynos5_subcmu_pm_ops = { + SET_RUNTIME_PM_OPS(exynos5_subcmu_suspend, + exynos5_subcmu_resume, NULL) + SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) +}; + +static struct platform_driver exynos5_subcmu_driver __refdata = { + .driver = { + .name = "exynos5-subcmu", + .suppress_bind_attrs = true, + .pm = &exynos5_subcmu_pm_ops, + }, + .probe = exynos5_subcmu_probe, +}; + +static int __init exynos5_clk_register_subcmu(struct device *parent, + const struct exynos5_subcmu_info *info, + struct device_node *pd_node) +{ + struct of_phandle_args genpdspec = { .np = pd_node }; + struct platform_device *pdev; + + pdev = platform_device_alloc(info->pd_name, -1); + pdev->dev.parent = parent; + pdev->driver_override = "exynos5-subcmu"; + platform_set_drvdata(pdev, (void *)info); + of_genpd_add_device(&genpdspec, &pdev->dev); + platform_device_add(pdev); + + return 0; +} + +static int __init exynos5_clk_probe(struct platform_device *pdev) +{ + struct device_node *np; + const char *name; + int i; + + for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") { + if (of_property_read_string(np, "label", &name) < 0) + continue; + for (i = 0; i < nr_cmus; i++) + if (strcmp(cmu[i].pd_name, name) == 0) + exynos5_clk_register_subcmu(&pdev->dev, + &cmu[i], np); + } + return 0; +} + +static const struct of_device_id exynos5_clk_of_match[] = { + { .compatible = "samsung,exynos5250-clock", }, + { .compatible = "samsung,exynos5420-clock", }, + { .compatible = "samsung,exynos5800-clock", }, + { }, +}; + +static struct platform_driver exynos5_clk_driver __refdata = { + .driver = { + .name = "exynos5-clock", + .of_match_table = exynos5_clk_of_match, + .suppress_bind_attrs = true, + }, + .probe = exynos5_clk_probe, +}; + +static int __init exynos5_clk_drv_init(void) +{ + platform_driver_register(&exynos5_clk_driver); + platform_driver_register(&exynos5_subcmu_driver); + return 0; +} +core_initcall(exynos5_clk_drv_init); diff --git a/drivers/clk/samsung/clk-exynos5-subcmu.h b/drivers/clk/samsung/clk-exynos5-subcmu.h new file mode 100644 index 000000000000..755ee8aaa3de --- /dev/null +++ b/drivers/clk/samsung/clk-exynos5-subcmu.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __CLK_EXYNOS5_SUBCMU_H +#define __CLK_EXYNOS5_SUBCMU_H + +struct exynos5_subcmu_reg_dump { + u32 offset; + u32 value; + u32 mask; + u32 save; +}; + +struct exynos5_subcmu_info { + const struct samsung_div_clock *div_clks; + unsigned int nr_div_clks; + const struct samsung_gate_clock *gate_clks; + unsigned int nr_gate_clks; + struct exynos5_subcmu_reg_dump *suspend_regs; + unsigned int nr_suspend_regs; + const char *pd_name; +}; + +void exynos5_subcmus_init(struct samsung_clk_provider *ctx, int nr_cmus, + const struct exynos5_subcmu_info *cmu); + +#endif diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 9b073c98a891..347fd80c351b 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -18,6 +18,7 @@ #include "clk.h" #include "clk-cpu.h" +#include "clk-exynos5-subcmu.h" #define APLL_LOCK 0x0 #define APLL_CON0 0x100 @@ -560,6 +561,8 @@ static const struct samsung_gate_clock exynos5250_gate_clks[] __initconst = { 0), GATE(CLK_GSCL3, "gscl3", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 3, 0, 0), + GATE(CLK_CAMIF_TOP, "camif_top", "mout_aclk266_gscl_sub", + GATE_IP_GSCL, 4, 0, 0), GATE(CLK_GSCL_WA, "gscl_wa", "div_gscl_wa", GATE_IP_GSCL, 5, 0, 0), GATE(CLK_GSCL_WB, "gscl_wb", "div_gscl_wb", GATE_IP_GSCL, 6, 0, 0), GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "mout_aclk266_gscl_sub", @@ -570,18 +573,11 @@ static const struct samsung_gate_clock exynos5250_gate_clks[] __initconst = { GATE_IP_GSCL, 9, 0, 0), GATE(CLK_SMMU_GSCL3, "smmu_gscl3", "mout_aclk266_gscl_sub", GATE_IP_GSCL, 10, 0, 0), + GATE(CLK_SMMU_FIMC_LITE0, "smmu_fimc_lite0", "mout_aclk266_gscl_sub", + GATE_IP_GSCL, 11, 0, 0), + GATE(CLK_SMMU_FIMC_LITE1, "smmu_fimc_lite1", "mout_aclk266_gscl_sub", + GATE_IP_GSCL, 12, 0, 0), - GATE(CLK_FIMD1, "fimd1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 0, 0, - 0), - GATE(CLK_MIE1, "mie1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 1, 0, - 0), - GATE(CLK_DSIM0, "dsim0", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 3, 0, - 0), - GATE(CLK_DP, "dp", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 4, 0, 0), - GATE(CLK_MIXER, "mixer", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 5, 0, - 0), - GATE(CLK_HDMI, "hdmi", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 6, 0, - 0), GATE(CLK_MFC, "mfc", "mout_aclk333_sub", GATE_IP_MFC, 0, 0, 0), GATE(CLK_SMMU_MFCR, "smmu_mfcr", "mout_aclk333_sub", GATE_IP_MFC, 1, 0, @@ -671,10 +667,6 @@ static const struct samsung_gate_clock exynos5250_gate_clks[] __initconst = { GATE(CLK_WDT, "wdt", "div_aclk66", GATE_IP_PERIS, 19, 0, 0), GATE(CLK_RTC, "rtc", "div_aclk66", GATE_IP_PERIS, 20, 0, 0), GATE(CLK_TMU, "tmu", "div_aclk66", GATE_IP_PERIS, 21, 0, 0), - GATE(CLK_SMMU_TV, "smmu_tv", "mout_aclk200_disp1_sub", - GATE_IP_DISP1, 9, 0, 0), - GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "mout_aclk200_disp1_sub", - GATE_IP_DISP1, 8, 0, 0), GATE(CLK_SMMU_2D, "smmu_2d", "div_aclk200", GATE_IP_ACP, 7, 0, 0), GATE(CLK_SMMU_FIMC_ISP, "smmu_fimc_isp", "mout_aclk_266_isp_sub", GATE_IP_ISP0, 8, 0, 0), @@ -698,48 +690,80 @@ static const struct samsung_gate_clock exynos5250_gate_clks[] __initconst = { GATE_IP_ISP1, 7, 0, 0), }; +static const struct samsung_gate_clock exynos5250_disp_gate_clks[] __initconst = { + GATE(CLK_FIMD1, "fimd1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 0, 0, + 0), + GATE(CLK_MIE1, "mie1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 1, 0, + 0), + GATE(CLK_DSIM0, "dsim0", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 3, 0, + 0), + GATE(CLK_DP, "dp", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 4, 0, 0), + GATE(CLK_MIXER, "mixer", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 5, 0, + 0), + GATE(CLK_HDMI, "hdmi", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 6, 0, + 0), + GATE(CLK_SMMU_TV, "smmu_tv", "mout_aclk200_disp1_sub", + GATE_IP_DISP1, 9, 0, 0), + GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "mout_aclk200_disp1_sub", + GATE_IP_DISP1, 8, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5250_disp_suspend_regs[] = { + { GATE_IP_DISP1, 0xffffffff, 0xffffffff }, /* DISP1 gates */ + { SRC_TOP3, 0, BIT(4) }, /* MUX mout_aclk200_disp1_sub */ + { SRC_TOP3, 0, BIT(6) }, /* MUX mout_aclk300_disp1_sub */ +}; + +static const struct exynos5_subcmu_info exynos5250_disp_subcmu = { + .gate_clks = exynos5250_disp_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5250_disp_gate_clks), + .suspend_regs = exynos5250_disp_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5250_disp_suspend_regs), + .pd_name = "DISP1", +}; + static const struct samsung_pll_rate_table vpll_24mhz_tbl[] __initconst = { /* sorted in descending order */ /* PLL_36XX_RATE(rate, m, p, s, k) */ - PLL_36XX_RATE(266000000, 266, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 266000000, 266, 3, 3, 0), /* Not in UM, but need for eDP on snow */ - PLL_36XX_RATE(70500000, 94, 2, 4, 0), + PLL_36XX_RATE(24 * MHZ, 70500000, 94, 2, 4, 0), { }, }; static const struct samsung_pll_rate_table epll_24mhz_tbl[] __initconst = { /* sorted in descending order */ /* PLL_36XX_RATE(rate, m, p, s, k) */ - PLL_36XX_RATE(192000000, 64, 2, 2, 0), - PLL_36XX_RATE(180633600, 90, 3, 2, 20762), - PLL_36XX_RATE(180000000, 90, 3, 2, 0), - PLL_36XX_RATE(73728000, 98, 2, 4, 19923), - PLL_36XX_RATE(67737600, 90, 2, 4, 20762), - PLL_36XX_RATE(49152000, 98, 3, 4, 19923), - PLL_36XX_RATE(45158400, 90, 3, 4, 20762), - PLL_36XX_RATE(32768000, 131, 3, 5, 4719), + PLL_36XX_RATE(24 * MHZ, 192000000, 64, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 180633605, 90, 3, 2, 20762), + PLL_36XX_RATE(24 * MHZ, 180000000, 90, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 73728000, 98, 2, 4, 19923), + PLL_36XX_RATE(24 * MHZ, 67737602, 90, 2, 4, 20762), + PLL_36XX_RATE(24 * MHZ, 49152000, 98, 3, 4, 19923), + PLL_36XX_RATE(24 * MHZ, 45158401, 90, 3, 4, 20762), + PLL_36XX_RATE(24 * MHZ, 32768001, 131, 3, 5, 4719), { }, }; static const struct samsung_pll_rate_table apll_24mhz_tbl[] __initconst = { /* sorted in descending order */ - /* PLL_35XX_RATE(rate, m, p, s) */ - PLL_35XX_RATE(1700000000, 425, 6, 0), - PLL_35XX_RATE(1600000000, 200, 3, 0), - PLL_35XX_RATE(1500000000, 250, 4, 0), - PLL_35XX_RATE(1400000000, 175, 3, 0), - PLL_35XX_RATE(1300000000, 325, 6, 0), - PLL_35XX_RATE(1200000000, 200, 4, 0), - PLL_35XX_RATE(1100000000, 275, 6, 0), - PLL_35XX_RATE(1000000000, 125, 3, 0), - PLL_35XX_RATE(900000000, 150, 4, 0), - PLL_35XX_RATE(800000000, 100, 3, 0), - PLL_35XX_RATE(700000000, 175, 3, 1), - PLL_35XX_RATE(600000000, 200, 4, 1), - PLL_35XX_RATE(500000000, 125, 3, 1), - PLL_35XX_RATE(400000000, 100, 3, 1), - PLL_35XX_RATE(300000000, 200, 4, 2), - PLL_35XX_RATE(200000000, 100, 3, 2), + /* PLL_35XX_RATE(fin, rate, m, p, s) */ + PLL_35XX_RATE(24 * MHZ, 1700000000, 425, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1600000000, 200, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1500000000, 250, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1400000000, 175, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1300000000, 325, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1200000000, 200, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1100000000, 275, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1000000000, 125, 3, 0), + PLL_35XX_RATE(24 * MHZ, 900000000, 150, 4, 0), + PLL_35XX_RATE(24 * MHZ, 800000000, 100, 3, 0), + PLL_35XX_RATE(24 * MHZ, 700000000, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 600000000, 200, 4, 1), + PLL_35XX_RATE(24 * MHZ, 500000000, 125, 3, 1), + PLL_35XX_RATE(24 * MHZ, 400000000, 100, 3, 1), + PLL_35XX_RATE(24 * MHZ, 300000000, 200, 4, 2), + PLL_35XX_RATE(24 * MHZ, 200000000, 100, 3, 2), }; static struct samsung_pll_clock exynos5250_plls[nr_plls] __initdata = { @@ -859,10 +883,11 @@ static void __init exynos5250_clk_init(struct device_node *np) __raw_writel(tmp, reg_base + PWR_CTRL2); exynos5250_clk_sleep_init(); + exynos5_subcmus_init(ctx, 1, &exynos5250_disp_subcmu); samsung_clk_of_add_provider(np, ctx); pr_info("Exynos5250: clock setup completed, armclk=%ld\n", _get_rate("div_arm2")); } -CLK_OF_DECLARE(exynos5250_clk, "samsung,exynos5250-clock", exynos5250_clk_init); +CLK_OF_DECLARE_DRIVER(exynos5250_clk, "samsung,exynos5250-clock", exynos5250_clk_init); diff --git a/drivers/clk/samsung/clk-exynos5260.c b/drivers/clk/samsung/clk-exynos5260.c index fd1d9bfc151b..2cc2583abd87 100644 --- a/drivers/clk/samsung/clk-exynos5260.c +++ b/drivers/clk/samsung/clk-exynos5260.c @@ -23,57 +23,57 @@ * DISP_PLL, EGL_PLL, KFC_PLL, MEM_PLL, BUS_PLL, MEDIA_PLL, G3D_PLL. */ static const struct samsung_pll_rate_table pll2550_24mhz_tbl[] __initconst = { - PLL_35XX_RATE(1700000000, 425, 6, 0), - PLL_35XX_RATE(1600000000, 200, 3, 0), - PLL_35XX_RATE(1500000000, 250, 4, 0), - PLL_35XX_RATE(1400000000, 175, 3, 0), - PLL_35XX_RATE(1300000000, 325, 6, 0), - PLL_35XX_RATE(1200000000, 400, 4, 1), - PLL_35XX_RATE(1100000000, 275, 3, 1), - PLL_35XX_RATE(1000000000, 250, 3, 1), - PLL_35XX_RATE(933000000, 311, 4, 1), - PLL_35XX_RATE(900000000, 300, 4, 1), - PLL_35XX_RATE(800000000, 200, 3, 1), - PLL_35XX_RATE(733000000, 733, 12, 1), - PLL_35XX_RATE(700000000, 175, 3, 1), - PLL_35XX_RATE(667000000, 667, 12, 1), - PLL_35XX_RATE(633000000, 211, 4, 1), - PLL_35XX_RATE(620000000, 310, 3, 2), - PLL_35XX_RATE(600000000, 400, 4, 2), - PLL_35XX_RATE(543000000, 362, 4, 2), - PLL_35XX_RATE(533000000, 533, 6, 2), - PLL_35XX_RATE(500000000, 250, 3, 2), - PLL_35XX_RATE(450000000, 300, 4, 2), - PLL_35XX_RATE(400000000, 200, 3, 2), - PLL_35XX_RATE(350000000, 175, 3, 2), - PLL_35XX_RATE(300000000, 400, 4, 3), - PLL_35XX_RATE(266000000, 266, 3, 3), - PLL_35XX_RATE(200000000, 200, 3, 3), - PLL_35XX_RATE(160000000, 160, 3, 3), + PLL_35XX_RATE(24 * MHZ, 1700000000, 425, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1600000000, 200, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1500000000, 250, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1400000000, 175, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1300000000, 325, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1200000000, 400, 4, 1), + PLL_35XX_RATE(24 * MHZ, 1100000000, 275, 3, 1), + PLL_35XX_RATE(24 * MHZ, 1000000000, 250, 3, 1), + PLL_35XX_RATE(24 * MHZ, 933000000, 311, 4, 1), + PLL_35XX_RATE(24 * MHZ, 900000000, 300, 4, 1), + PLL_35XX_RATE(24 * MHZ, 800000000, 200, 3, 1), + PLL_35XX_RATE(24 * MHZ, 733000000, 733, 12, 1), + PLL_35XX_RATE(24 * MHZ, 700000000, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 667000000, 667, 12, 1), + PLL_35XX_RATE(24 * MHZ, 633000000, 211, 4, 1), + PLL_35XX_RATE(24 * MHZ, 620000000, 310, 3, 2), + PLL_35XX_RATE(24 * MHZ, 600000000, 400, 4, 2), + PLL_35XX_RATE(24 * MHZ, 543000000, 362, 4, 2), + PLL_35XX_RATE(24 * MHZ, 533000000, 533, 6, 2), + PLL_35XX_RATE(24 * MHZ, 500000000, 250, 3, 2), + PLL_35XX_RATE(24 * MHZ, 450000000, 300, 4, 2), + PLL_35XX_RATE(24 * MHZ, 400000000, 200, 3, 2), + PLL_35XX_RATE(24 * MHZ, 350000000, 175, 3, 2), + PLL_35XX_RATE(24 * MHZ, 300000000, 400, 4, 3), + PLL_35XX_RATE(24 * MHZ, 266000000, 266, 3, 3), + PLL_35XX_RATE(24 * MHZ, 200000000, 200, 3, 3), + PLL_35XX_RATE(24 * MHZ, 160000000, 160, 3, 3), }; /* * Applicable for 2650 Type PLL for AUD_PLL. */ static const struct samsung_pll_rate_table pll2650_24mhz_tbl[] __initconst = { - PLL_36XX_RATE(1600000000, 200, 3, 0, 0), - PLL_36XX_RATE(1200000000, 100, 2, 0, 0), - PLL_36XX_RATE(1000000000, 250, 3, 1, 0), - PLL_36XX_RATE(800000000, 200, 3, 1, 0), - PLL_36XX_RATE(600000000, 100, 2, 1, 0), - PLL_36XX_RATE(532000000, 266, 3, 2, 0), - PLL_36XX_RATE(480000000, 160, 2, 2, 0), - PLL_36XX_RATE(432000000, 144, 2, 2, 0), - PLL_36XX_RATE(400000000, 200, 3, 2, 0), - PLL_36XX_RATE(394073130, 459, 7, 2, 49282), - PLL_36XX_RATE(333000000, 111, 2, 2, 0), - PLL_36XX_RATE(300000000, 100, 2, 2, 0), - PLL_36XX_RATE(266000000, 266, 3, 3, 0), - PLL_36XX_RATE(200000000, 200, 3, 3, 0), - PLL_36XX_RATE(166000000, 166, 3, 3, 0), - PLL_36XX_RATE(133000000, 266, 3, 4, 0), - PLL_36XX_RATE(100000000, 200, 3, 4, 0), - PLL_36XX_RATE(66000000, 176, 2, 5, 0), + PLL_36XX_RATE(24 * MHZ, 1600000000, 200, 3, 0, 0), + PLL_36XX_RATE(24 * MHZ, 1200000000, 100, 2, 0, 0), + PLL_36XX_RATE(24 * MHZ, 1000000000, 250, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 800000000, 200, 3, 1, 0), + PLL_36XX_RATE(24 * MHZ, 600000000, 100, 2, 1, 0), + PLL_36XX_RATE(24 * MHZ, 532000000, 266, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 480000000, 160, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 432000000, 144, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 400000000, 200, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 394073128, 459, 7, 2, 49282), + PLL_36XX_RATE(24 * MHZ, 333000000, 111, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 300000000, 100, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 266000000, 266, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 200000000, 200, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 166000000, 166, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 133000000, 266, 3, 4, 0), + PLL_36XX_RATE(24 * MHZ, 100000000, 200, 3, 4, 0), + PLL_36XX_RATE(24 * MHZ, 66000000, 176, 2, 5, 0), }; /* CMU_AUD */ diff --git a/drivers/clk/samsung/clk-exynos5410.c b/drivers/clk/samsung/clk-exynos5410.c index fc471a49e8f4..0a0b09591e6f 100644 --- a/drivers/clk/samsung/clk-exynos5410.c +++ b/drivers/clk/samsung/clk-exynos5410.c @@ -226,16 +226,16 @@ static const struct samsung_gate_clock exynos5410_gate_clks[] __initconst = { }; static const struct samsung_pll_rate_table exynos5410_pll2550x_24mhz_tbl[] __initconst = { - PLL_36XX_RATE(400000000U, 200, 3, 2, 0), - PLL_36XX_RATE(333000000U, 111, 2, 2, 0), - PLL_36XX_RATE(300000000U, 100, 2, 2, 0), - PLL_36XX_RATE(266000000U, 266, 3, 3, 0), - PLL_36XX_RATE(200000000U, 200, 3, 3, 0), - PLL_36XX_RATE(192000000U, 192, 3, 3, 0), - PLL_36XX_RATE(166000000U, 166, 3, 3, 0), - PLL_36XX_RATE(133000000U, 266, 3, 4, 0), - PLL_36XX_RATE(100000000U, 200, 3, 4, 0), - PLL_36XX_RATE(66000000U, 176, 2, 5, 0), + PLL_36XX_RATE(24 * MHZ, 400000000U, 200, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 333000000U, 111, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 300000000U, 100, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 266000000U, 266, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 200000000U, 200, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 192000000U, 192, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 166000000U, 166, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 133000000U, 266, 3, 4, 0), + PLL_36XX_RATE(24 * MHZ, 100000000U, 200, 3, 4, 0), + PLL_36XX_RATE(24 * MHZ, 66000000U, 176, 2, 5, 0), }; static struct samsung_pll_clock exynos5410_plls[nr_plls] __initdata = { diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 45d34f601e9e..95e1bf69449b 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -19,6 +19,7 @@ #include "clk.h" #include "clk-cpu.h" +#include "clk-exynos5-subcmu.h" #define APLL_LOCK 0x0 #define APLL_CON0 0x100 @@ -620,7 +621,8 @@ static const struct samsung_mux_clock exynos5420_mux_clks[] __initconst = { MUX(CLK_MOUT_MX_MSPLL_CCORE, "mout_mx_mspll_ccore", mout_group5_5800_p, SRC_TOP7, 16, 2), - MUX(0, "mout_mau_epll_clk", mout_mau_epll_clk_p, SRC_TOP7, 20, 2), + MUX_F(0, "mout_mau_epll_clk", mout_mau_epll_clk_p, SRC_TOP7, 20, 2, + CLK_SET_RATE_PARENT, 0), MUX(0, "mout_fimd1", mout_group3_p, SRC_DISP10, 4, 1), }; @@ -863,7 +865,6 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = { DIV(0, "dout_mipi1", "mout_mipi1", DIV_DISP10, 16, 8), DIV(0, "dout_dp1", "mout_dp1", DIV_DISP10, 24, 4), DIV(CLK_DOUT_PIXEL, "dout_hdmi_pixel", "mout_pixel", DIV_DISP10, 28, 4), - DIV(0, "dout_disp1_blk", "aclk200_disp1", DIV2_RATIO0, 16, 2), DIV(CLK_DOUT_ACLK400_DISP1, "dout_aclk400_disp1", "mout_aclk400_disp1", DIV_TOP2, 4, 3), @@ -912,8 +913,6 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = { DIV(0, "dout_spi1", "mout_spi1", DIV_PERIC1, 24, 4), DIV(0, "dout_spi2", "mout_spi2", DIV_PERIC1, 28, 4), - /* Mfc Block */ - DIV(0, "dout_mfc_blk", "mout_user_aclk333", DIV4_RATIO, 0, 2), /* PCM */ DIV(0, "dout_pcm1", "dout_audio1", DIV_PERIC2, 16, 8), @@ -932,8 +931,6 @@ static const struct samsung_div_clock exynos5x_div_clks[] __initconst = { DIV(0, "dout_spi2_pre", "dout_spi2", DIV_PERIC4, 24, 8), /* GSCL Block */ - DIV(0, "dout_gscl_blk_300", "mout_user_aclk300_gscl", - DIV2_RATIO0, 4, 2), DIV(0, "dout_gscl_blk_333", "aclk333_432_gscl", DIV2_RATIO0, 6, 2), /* MSCL Block */ @@ -1190,8 +1187,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_SCLK_GSCL_WB, "sclk_gscl_wb", "mout_user_aclk333_432_gscl", GATE_TOP_SCLK_GSCL, 7, 0, 0), - GATE(CLK_GSCL0, "gscl0", "aclk300_gscl", GATE_IP_GSCL0, 0, 0, 0), - GATE(CLK_GSCL1, "gscl1", "aclk300_gscl", GATE_IP_GSCL0, 1, 0, 0), GATE(CLK_FIMC_3AA, "fimc_3aa", "aclk333_432_gscl", GATE_IP_GSCL0, 4, 0, 0), GATE(CLK_FIMC_LITE0, "fimc_lite0", "aclk333_432_gscl", @@ -1205,10 +1200,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE_IP_GSCL1, 3, 0, 0), GATE(CLK_SMMU_FIMCL1, "smmu_fimcl1", "dout_gscl_blk_333", GATE_IP_GSCL1, 4, 0, 0), - GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "dout_gscl_blk_300", - GATE_IP_GSCL1, 6, 0, 0), - GATE(CLK_SMMU_GSCL1, "smmu_gscl1", "dout_gscl_blk_300", - GATE_IP_GSCL1, 7, 0, 0), GATE(CLK_GSCL_WA, "gscl_wa", "sclk_gscl_wa", GATE_IP_GSCL1, 12, 0, 0), GATE(CLK_GSCL_WB, "gscl_wb", "sclk_gscl_wb", GATE_IP_GSCL1, 13, 0, 0), GATE(CLK_SMMU_FIMCL3, "smmu_fimcl3,", "dout_gscl_blk_333", @@ -1227,18 +1218,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_SMMU_MSCL2, "smmu_mscl2", "dout_mscl_blk", GATE_IP_MSCL, 10, 0, 0), - GATE(CLK_FIMD1, "fimd1", "aclk300_disp1", GATE_IP_DISP1, 0, 0, 0), - GATE(CLK_DSIM1, "dsim1", "aclk200_disp1", GATE_IP_DISP1, 3, 0, 0), - GATE(CLK_DP1, "dp1", "aclk200_disp1", GATE_IP_DISP1, 4, 0, 0), - GATE(CLK_MIXER, "mixer", "aclk200_disp1", GATE_IP_DISP1, 5, 0, 0), - GATE(CLK_HDMI, "hdmi", "aclk200_disp1", GATE_IP_DISP1, 6, 0, 0), - GATE(CLK_SMMU_FIMD1M0, "smmu_fimd1m0", "dout_disp1_blk", - GATE_IP_DISP1, 7, 0, 0), - GATE(CLK_SMMU_FIMD1M1, "smmu_fimd1m1", "dout_disp1_blk", - GATE_IP_DISP1, 8, 0, 0), - GATE(CLK_SMMU_MIXER, "smmu_mixer", "aclk200_disp1", - GATE_IP_DISP1, 9, 0, 0), - /* ISP */ GATE(CLK_SCLK_UART_ISP, "sclk_uart_isp", "dout_uart_isp", GATE_TOP_SCLK_ISP, 0, CLK_SET_RATE_PARENT, 0), @@ -1255,48 +1234,138 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = { GATE(CLK_SCLK_ISP_SENSOR2, "sclk_isp_sensor2", "dout_isp_sensor2", GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0), + GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), +}; + +static const struct samsung_div_clock exynos5x_disp_div_clks[] __initconst = { + DIV(0, "dout_disp1_blk", "aclk200_disp1", DIV2_RATIO0, 16, 2), +}; + +static const struct samsung_gate_clock exynos5x_disp_gate_clks[] __initconst = { + GATE(CLK_FIMD1, "fimd1", "aclk300_disp1", GATE_IP_DISP1, 0, 0, 0), + GATE(CLK_DSIM1, "dsim1", "aclk200_disp1", GATE_IP_DISP1, 3, 0, 0), + GATE(CLK_DP1, "dp1", "aclk200_disp1", GATE_IP_DISP1, 4, 0, 0), + GATE(CLK_MIXER, "mixer", "aclk200_disp1", GATE_IP_DISP1, 5, 0, 0), + GATE(CLK_HDMI, "hdmi", "aclk200_disp1", GATE_IP_DISP1, 6, 0, 0), + GATE(CLK_SMMU_FIMD1M0, "smmu_fimd1m0", "dout_disp1_blk", + GATE_IP_DISP1, 7, 0, 0), + GATE(CLK_SMMU_FIMD1M1, "smmu_fimd1m1", "dout_disp1_blk", + GATE_IP_DISP1, 8, 0, 0), + GATE(CLK_SMMU_MIXER, "smmu_mixer", "aclk200_disp1", + GATE_IP_DISP1, 9, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5x_disp_suspend_regs[] = { + { GATE_IP_DISP1, 0xffffffff, 0xffffffff }, /* DISP1 gates */ + { SRC_TOP5, 0, BIT(0) }, /* MUX mout_user_aclk400_disp1 */ + { SRC_TOP5, 0, BIT(24) }, /* MUX mout_user_aclk300_disp1 */ + { SRC_TOP3, 0, BIT(8) }, /* MUX mout_user_aclk200_disp1 */ + { DIV2_RATIO0, 0, 0x30000 }, /* DIV dout_disp1_blk */ +}; + +static const struct samsung_div_clock exynos5x_gsc_div_clks[] __initconst = { + DIV(0, "dout_gscl_blk_300", "mout_user_aclk300_gscl", + DIV2_RATIO0, 4, 2), +}; + +static const struct samsung_gate_clock exynos5x_gsc_gate_clks[] __initconst = { + GATE(CLK_GSCL0, "gscl0", "aclk300_gscl", GATE_IP_GSCL0, 0, 0, 0), + GATE(CLK_GSCL1, "gscl1", "aclk300_gscl", GATE_IP_GSCL0, 1, 0, 0), + GATE(CLK_SMMU_GSCL0, "smmu_gscl0", "dout_gscl_blk_300", + GATE_IP_GSCL1, 6, 0, 0), + GATE(CLK_SMMU_GSCL1, "smmu_gscl1", "dout_gscl_blk_300", + GATE_IP_GSCL1, 7, 0, 0), +}; + +static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = { + { GATE_IP_GSCL0, 0x3, 0x3 }, /* GSC gates */ + { GATE_IP_GSCL1, 0xc0, 0xc0 }, /* GSC gates */ + { SRC_TOP5, 0, BIT(28) }, /* MUX mout_user_aclk300_gscl */ + { DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */ +}; + +static const struct samsung_div_clock exynos5x_mfc_div_clks[] __initconst = { + DIV(0, "dout_mfc_blk", "mout_user_aclk333", DIV4_RATIO, 0, 2), +}; + +static const struct samsung_gate_clock exynos5x_mfc_gate_clks[] __initconst = { GATE(CLK_MFC, "mfc", "aclk333", GATE_IP_MFC, 0, 0, 0), GATE(CLK_SMMU_MFCL, "smmu_mfcl", "dout_mfc_blk", GATE_IP_MFC, 1, 0, 0), GATE(CLK_SMMU_MFCR, "smmu_mfcr", "dout_mfc_blk", GATE_IP_MFC, 2, 0, 0), +}; - GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), +static struct exynos5_subcmu_reg_dump exynos5x_mfc_suspend_regs[] = { + { GATE_IP_MFC, 0xffffffff, 0xffffffff }, /* MFC gates */ + { SRC_TOP4, 0, BIT(28) }, /* MUX mout_user_aclk333 */ + { DIV4_RATIO, 0, 0x3 }, /* DIV dout_mfc_blk */ +}; + +static const struct exynos5_subcmu_info exynos5x_subcmus[] = { + { + .div_clks = exynos5x_disp_div_clks, + .nr_div_clks = ARRAY_SIZE(exynos5x_disp_div_clks), + .gate_clks = exynos5x_disp_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_disp_gate_clks), + .suspend_regs = exynos5x_disp_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_disp_suspend_regs), + .pd_name = "DISP", + }, { + .div_clks = exynos5x_gsc_div_clks, + .nr_div_clks = ARRAY_SIZE(exynos5x_gsc_div_clks), + .gate_clks = exynos5x_gsc_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_gsc_gate_clks), + .suspend_regs = exynos5x_gsc_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_gsc_suspend_regs), + .pd_name = "GSC", + }, { + .div_clks = exynos5x_mfc_div_clks, + .nr_div_clks = ARRAY_SIZE(exynos5x_mfc_div_clks), + .gate_clks = exynos5x_mfc_gate_clks, + .nr_gate_clks = ARRAY_SIZE(exynos5x_mfc_gate_clks), + .suspend_regs = exynos5x_mfc_suspend_regs, + .nr_suspend_regs = ARRAY_SIZE(exynos5x_mfc_suspend_regs), + .pd_name = "MFC", + }, }; static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = { - PLL_35XX_RATE(2000000000, 250, 3, 0), - PLL_35XX_RATE(1900000000, 475, 6, 0), - PLL_35XX_RATE(1800000000, 225, 3, 0), - PLL_35XX_RATE(1700000000, 425, 6, 0), - PLL_35XX_RATE(1600000000, 200, 3, 0), - PLL_35XX_RATE(1500000000, 250, 4, 0), - PLL_35XX_RATE(1400000000, 175, 3, 0), - PLL_35XX_RATE(1300000000, 325, 6, 0), - PLL_35XX_RATE(1200000000, 200, 2, 1), - PLL_35XX_RATE(1100000000, 275, 3, 1), - PLL_35XX_RATE(1000000000, 250, 3, 1), - PLL_35XX_RATE(900000000, 150, 2, 1), - PLL_35XX_RATE(800000000, 200, 3, 1), - PLL_35XX_RATE(700000000, 175, 3, 1), - PLL_35XX_RATE(600000000, 200, 2, 2), - PLL_35XX_RATE(500000000, 250, 3, 2), - PLL_35XX_RATE(400000000, 200, 3, 2), - PLL_35XX_RATE(300000000, 200, 2, 3), - PLL_35XX_RATE(200000000, 200, 3, 3), + PLL_35XX_RATE(24 * MHZ, 2000000000, 250, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1900000000, 475, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1800000000, 225, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1700000000, 425, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1600000000, 200, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1500000000, 250, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1400000000, 175, 3, 0), + PLL_35XX_RATE(24 * MHZ, 1300000000, 325, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1200000000, 200, 2, 1), + PLL_35XX_RATE(24 * MHZ, 1100000000, 275, 3, 1), + PLL_35XX_RATE(24 * MHZ, 1000000000, 250, 3, 1), + PLL_35XX_RATE(24 * MHZ, 900000000, 150, 2, 1), + PLL_35XX_RATE(24 * MHZ, 800000000, 200, 3, 1), + PLL_35XX_RATE(24 * MHZ, 700000000, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 600000000, 200, 2, 2), + PLL_35XX_RATE(24 * MHZ, 500000000, 250, 3, 2), + PLL_35XX_RATE(24 * MHZ, 400000000, 200, 3, 2), + PLL_35XX_RATE(24 * MHZ, 300000000, 200, 2, 3), + PLL_35XX_RATE(24 * MHZ, 200000000, 200, 3, 3), }; static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = { - PLL_36XX_RATE(600000000U, 100, 2, 1, 0), - PLL_36XX_RATE(400000000U, 200, 3, 2, 0), - PLL_36XX_RATE(393216003U, 197, 3, 2, -25690), - PLL_36XX_RATE(361267218U, 301, 5, 2, 3671), - PLL_36XX_RATE(200000000U, 200, 3, 3, 0), - PLL_36XX_RATE(196608001U, 197, 3, 3, -25690), - PLL_36XX_RATE(180633609U, 301, 5, 3, 3671), - PLL_36XX_RATE(131072006U, 131, 3, 3, 4719), - PLL_36XX_RATE(100000000U, 200, 3, 4, 0), - PLL_36XX_RATE( 65536003U, 131, 3, 4, 4719), - PLL_36XX_RATE( 49152000U, 197, 3, 5, -25690), - PLL_36XX_RATE( 32768001U, 131, 3, 5, 4719), + PLL_36XX_RATE(24 * MHZ, 600000000U, 100, 2, 1, 0), + PLL_36XX_RATE(24 * MHZ, 400000000U, 200, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 393216003U, 197, 3, 2, -25690), + PLL_36XX_RATE(24 * MHZ, 361267218U, 301, 5, 2, 3671), + PLL_36XX_RATE(24 * MHZ, 200000000U, 200, 3, 3, 0), + PLL_36XX_RATE(24 * MHZ, 196608001U, 197, 3, 3, -25690), + PLL_36XX_RATE(24 * MHZ, 180633609U, 301, 5, 3, 3671), + PLL_36XX_RATE(24 * MHZ, 131072006U, 131, 3, 3, 4719), + PLL_36XX_RATE(24 * MHZ, 100000000U, 200, 3, 4, 0), + PLL_36XX_RATE(24 * MHZ, 73728000U, 98, 2, 4, 19923), + PLL_36XX_RATE(24 * MHZ, 67737602U, 90, 2, 4, 20762), + PLL_36XX_RATE(24 * MHZ, 65536003U, 131, 3, 4, 4719), + PLL_36XX_RATE(24 * MHZ, 49152000U, 197, 3, 5, -25690), + PLL_36XX_RATE(24 * MHZ, 45158401U, 90, 3, 4, 20762), + PLL_36XX_RATE(24 * MHZ, 32768001U, 131, 3, 5, 4719), }; static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { @@ -1472,6 +1541,8 @@ static void __init exynos5x_clk_init(struct device_node *np, exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0); exynos5420_clk_sleep_init(); + exynos5_subcmus_init(ctx, ARRAY_SIZE(exynos5x_subcmus), + exynos5x_subcmus); samsung_clk_of_add_provider(np, ctx); } @@ -1480,10 +1551,12 @@ static void __init exynos5420_clk_init(struct device_node *np) { exynos5x_clk_init(np, EXYNOS5420); } -CLK_OF_DECLARE(exynos5420_clk, "samsung,exynos5420-clock", exynos5420_clk_init); +CLK_OF_DECLARE_DRIVER(exynos5420_clk, "samsung,exynos5420-clock", + exynos5420_clk_init); static void __init exynos5800_clk_init(struct device_node *np) { exynos5x_clk_init(np, EXYNOS5800); } -CLK_OF_DECLARE(exynos5800_clk, "samsung,exynos5800-clock", exynos5800_clk_init); +CLK_OF_DECLARE_DRIVER(exynos5800_clk, "samsung,exynos5800-clock", + exynos5800_clk_init); diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index db270908037a..5305ace514b2 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -703,68 +703,69 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { * & MPHY_PLL & G3D_PLL & DISP_PLL & ISP_PLL */ static const struct samsung_pll_rate_table exynos5433_pll_rates[] __initconst = { - PLL_35XX_RATE(2500000000U, 625, 6, 0), - PLL_35XX_RATE(2400000000U, 500, 5, 0), - PLL_35XX_RATE(2300000000U, 575, 6, 0), - PLL_35XX_RATE(2200000000U, 550, 6, 0), - PLL_35XX_RATE(2100000000U, 350, 4, 0), - PLL_35XX_RATE(2000000000U, 500, 6, 0), - PLL_35XX_RATE(1900000000U, 475, 6, 0), - PLL_35XX_RATE(1800000000U, 375, 5, 0), - PLL_35XX_RATE(1700000000U, 425, 6, 0), - PLL_35XX_RATE(1600000000U, 400, 6, 0), - PLL_35XX_RATE(1500000000U, 250, 4, 0), - PLL_35XX_RATE(1400000000U, 350, 6, 0), - PLL_35XX_RATE(1332000000U, 222, 4, 0), - PLL_35XX_RATE(1300000000U, 325, 6, 0), - PLL_35XX_RATE(1200000000U, 500, 5, 1), - PLL_35XX_RATE(1100000000U, 550, 6, 1), - PLL_35XX_RATE(1086000000U, 362, 4, 1), - PLL_35XX_RATE(1066000000U, 533, 6, 1), - PLL_35XX_RATE(1000000000U, 500, 6, 1), - PLL_35XX_RATE(933000000U, 311, 4, 1), - PLL_35XX_RATE(921000000U, 307, 4, 1), - PLL_35XX_RATE(900000000U, 375, 5, 1), - PLL_35XX_RATE(825000000U, 275, 4, 1), - PLL_35XX_RATE(800000000U, 400, 6, 1), - PLL_35XX_RATE(733000000U, 733, 12, 1), - PLL_35XX_RATE(700000000U, 175, 3, 1), - PLL_35XX_RATE(667000000U, 222, 4, 1), - PLL_35XX_RATE(633000000U, 211, 4, 1), - PLL_35XX_RATE(600000000U, 500, 5, 2), - PLL_35XX_RATE(552000000U, 460, 5, 2), - PLL_35XX_RATE(550000000U, 550, 6, 2), - PLL_35XX_RATE(543000000U, 362, 4, 2), - PLL_35XX_RATE(533000000U, 533, 6, 2), - PLL_35XX_RATE(500000000U, 500, 6, 2), - PLL_35XX_RATE(444000000U, 370, 5, 2), - PLL_35XX_RATE(420000000U, 350, 5, 2), - PLL_35XX_RATE(400000000U, 400, 6, 2), - PLL_35XX_RATE(350000000U, 350, 6, 2), - PLL_35XX_RATE(333000000U, 222, 4, 2), - PLL_35XX_RATE(300000000U, 500, 5, 3), - PLL_35XX_RATE(278000000U, 556, 6, 3), - PLL_35XX_RATE(266000000U, 532, 6, 3), - PLL_35XX_RATE(250000000U, 500, 6, 3), - PLL_35XX_RATE(200000000U, 400, 6, 3), - PLL_35XX_RATE(166000000U, 332, 6, 3), - PLL_35XX_RATE(160000000U, 320, 6, 3), - PLL_35XX_RATE(133000000U, 532, 6, 4), - PLL_35XX_RATE(100000000U, 400, 6, 4), + PLL_35XX_RATE(24 * MHZ, 2500000000U, 625, 6, 0), + PLL_35XX_RATE(24 * MHZ, 2400000000U, 500, 5, 0), + PLL_35XX_RATE(24 * MHZ, 2300000000U, 575, 6, 0), + PLL_35XX_RATE(24 * MHZ, 2200000000U, 550, 6, 0), + PLL_35XX_RATE(24 * MHZ, 2100000000U, 350, 4, 0), + PLL_35XX_RATE(24 * MHZ, 2000000000U, 500, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1900000000U, 475, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1800000000U, 375, 5, 0), + PLL_35XX_RATE(24 * MHZ, 1700000000U, 425, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1600000000U, 400, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1500000000U, 250, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1400000000U, 350, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1332000000U, 222, 4, 0), + PLL_35XX_RATE(24 * MHZ, 1300000000U, 325, 6, 0), + PLL_35XX_RATE(24 * MHZ, 1200000000U, 500, 5, 1), + PLL_35XX_RATE(24 * MHZ, 1100000000U, 550, 6, 1), + PLL_35XX_RATE(24 * MHZ, 1086000000U, 362, 4, 1), + PLL_35XX_RATE(24 * MHZ, 1066000000U, 533, 6, 1), + PLL_35XX_RATE(24 * MHZ, 1000000000U, 500, 6, 1), + PLL_35XX_RATE(24 * MHZ, 933000000U, 311, 4, 1), + PLL_35XX_RATE(24 * MHZ, 921000000U, 307, 4, 1), + PLL_35XX_RATE(24 * MHZ, 900000000U, 375, 5, 1), + PLL_35XX_RATE(24 * MHZ, 825000000U, 275, 4, 1), + PLL_35XX_RATE(24 * MHZ, 800000000U, 400, 6, 1), + PLL_35XX_RATE(24 * MHZ, 733000000U, 733, 12, 1), + PLL_35XX_RATE(24 * MHZ, 700000000U, 175, 3, 1), + PLL_35XX_RATE(24 * MHZ, 666000000U, 222, 4, 1), + PLL_35XX_RATE(24 * MHZ, 633000000U, 211, 4, 1), + PLL_35XX_RATE(24 * MHZ, 600000000U, 500, 5, 2), + PLL_35XX_RATE(24 * MHZ, 552000000U, 460, 5, 2), + PLL_35XX_RATE(24 * MHZ, 550000000U, 550, 6, 2), + PLL_35XX_RATE(24 * MHZ, 543000000U, 362, 4, 2), + PLL_35XX_RATE(24 * MHZ, 533000000U, 533, 6, 2), + PLL_35XX_RATE(24 * MHZ, 500000000U, 500, 6, 2), + PLL_35XX_RATE(24 * MHZ, 444000000U, 370, 5, 2), + PLL_35XX_RATE(24 * MHZ, 420000000U, 350, 5, 2), + PLL_35XX_RATE(24 * MHZ, 400000000U, 400, 6, 2), + PLL_35XX_RATE(24 * MHZ, 350000000U, 350, 6, 2), + PLL_35XX_RATE(24 * MHZ, 333000000U, 222, 4, 2), + PLL_35XX_RATE(24 * MHZ, 300000000U, 500, 5, 3), + PLL_35XX_RATE(24 * MHZ, 278000000U, 556, 6, 3), + PLL_35XX_RATE(24 * MHZ, 266000000U, 532, 6, 3), + PLL_35XX_RATE(24 * MHZ, 250000000U, 500, 6, 3), + PLL_35XX_RATE(24 * MHZ, 200000000U, 400, 6, 3), + PLL_35XX_RATE(24 * MHZ, 166000000U, 332, 6, 3), + PLL_35XX_RATE(24 * MHZ, 160000000U, 320, 6, 3), + PLL_35XX_RATE(24 * MHZ, 133000000U, 532, 6, 4), + PLL_35XX_RATE(24 * MHZ, 100000000U, 400, 6, 4), { /* sentinel */ } }; /* AUD_PLL */ static const struct samsung_pll_rate_table exynos5433_aud_pll_rates[] __initconst = { - PLL_36XX_RATE(400000000U, 200, 3, 2, 0), - PLL_36XX_RATE(393216000U, 197, 3, 2, -25690), - PLL_36XX_RATE(384000000U, 128, 2, 2, 0), - PLL_36XX_RATE(368640000U, 246, 4, 2, -15729), - PLL_36XX_RATE(361507200U, 181, 3, 2, -16148), - PLL_36XX_RATE(338688000U, 113, 2, 2, -6816), - PLL_36XX_RATE(294912000U, 98, 1, 3, 19923), - PLL_36XX_RATE(288000000U, 96, 1, 3, 0), - PLL_36XX_RATE(252000000U, 84, 1, 3, 0), + PLL_36XX_RATE(24 * MHZ, 400000000U, 200, 3, 2, 0), + PLL_36XX_RATE(24 * MHZ, 393216003U, 197, 3, 2, -25690), + PLL_36XX_RATE(24 * MHZ, 384000000U, 128, 2, 2, 0), + PLL_36XX_RATE(24 * MHZ, 368639991U, 246, 4, 2, -15729), + PLL_36XX_RATE(24 * MHZ, 361507202U, 181, 3, 2, -16148), + PLL_36XX_RATE(24 * MHZ, 338687988U, 113, 2, 2, -6816), + PLL_36XX_RATE(24 * MHZ, 294912002U, 98, 1, 3, 19923), + PLL_36XX_RATE(24 * MHZ, 288000000U, 96, 1, 3, 0), + PLL_36XX_RATE(24 * MHZ, 252000000U, 84, 1, 3, 0), + PLL_36XX_RATE(24 * MHZ, 196608001U, 197, 3, 3, -25690), { /* sentinel */ } }; @@ -1672,7 +1673,7 @@ static const struct samsung_gate_clock peric_gate_clks[] __initconst = { ENABLE_SCLK_PERIC, 11, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_IOCLK_I2S1_BCLK, "sclk_ioclk_i2s1_bclk", "ioclk_i2s1_bclk_in", ENABLE_SCLK_PERIC, 10, - CLK_SET_RATE_PARENT, 0), + CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0), GATE(CLK_SCLK_SPDIF, "sclk_spdif", "sclk_spdif_peric", ENABLE_SCLK_PERIC, 8, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric", @@ -5513,10 +5514,8 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); - if (IS_ERR(reg_base)) { - dev_err(dev, "failed to map registers\n"); + if (IS_ERR(reg_base)) return PTR_ERR(reg_base); - } for (i = 0; i < info->nr_clk_ids; ++i) ctx->clk_data.hws[i] = ERR_PTR(-ENOENT); diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c index 5931a4140c3d..492d51691080 100644 --- a/drivers/clk/samsung/clk-exynos7.c +++ b/drivers/clk/samsung/clk-exynos7.c @@ -140,7 +140,7 @@ static const struct samsung_div_clock topc_div_clks[] __initconst = { }; static const struct samsung_pll_rate_table pll1460x_24mhz_tbl[] __initconst = { - PLL_36XX_RATE(491520000, 20, 1, 0, 31457), + PLL_36XX_RATE(24 * MHZ, 491519897, 20, 1, 0, 31457), {}, }; diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h index 61eb8abbfd9c..ca57b3dfa814 100644 --- a/drivers/clk/samsung/clk-pll.h +++ b/drivers/clk/samsung/clk-pll.h @@ -41,35 +41,62 @@ enum samsung_pll_type { pll_1460x, }; -#define PLL_35XX_RATE(_rate, _m, _p, _s) \ +#define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \ + ((u64)(_fin) * (BIT(_ks) * (_m) + (_k)) / BIT(_ks) / ((_p) << (_s))) +#define PLL_VALID_RATE(_fin, _fout, _m, _p, _s, _k, _ks) ((_fout) + \ + BUILD_BUG_ON_ZERO(PLL_RATE(_fin, _m, _p, _s, _k, _ks) != (_fout))) + +#define PLL_35XX_RATE(_fin, _rate, _m, _p, _s) \ + { \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m, _p, _s, 0, 16), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + } + +#define PLL_S3C2410_MPLL_RATE(_fin, _rate, _m, _p, _s) \ + { \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m + 8, _p + 2, _s, 0, 16), \ + .mdiv = (_m), \ + .pdiv = (_p), \ + .sdiv = (_s), \ + } + +#define PLL_S3C2440_MPLL_RATE(_fin, _rate, _m, _p, _s) \ { \ - .rate = (_rate), \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + 2 * (_m + 8), _p + 2, _s, 0, 16), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ } -#define PLL_36XX_RATE(_rate, _m, _p, _s, _k) \ +#define PLL_36XX_RATE(_fin, _rate, _m, _p, _s, _k) \ { \ - .rate = (_rate), \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m, _p, _s, _k, 16), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ .kdiv = (_k), \ } -#define PLL_45XX_RATE(_rate, _m, _p, _s, _afc) \ +#define PLL_4508_RATE(_fin, _rate, _m, _p, _s, _afc) \ { \ - .rate = (_rate), \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m, _p, _s - 1, 0, 16), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ .afc = (_afc), \ } -#define PLL_4600_RATE(_rate, _m, _p, _s, _k, _vsel) \ +#define PLL_4600_RATE(_fin, _rate, _m, _p, _s, _k, _vsel) \ { \ - .rate = (_rate), \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m, _p, _s, _k, 16), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ @@ -77,9 +104,10 @@ enum samsung_pll_type { .vsel = (_vsel), \ } -#define PLL_4650_RATE(_rate, _m, _p, _s, _k, _mfr, _mrr, _vsel) \ +#define PLL_4650_RATE(_fin, _rate, _m, _p, _s, _k, _mfr, _mrr, _vsel) \ { \ - .rate = (_rate), \ + .rate = PLL_VALID_RATE(_fin, _rate, \ + _m, _p, _s, _k, 10), \ .mdiv = (_m), \ .pdiv = (_p), \ .sdiv = (_s), \ diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c index e0650c33863b..a9c887475054 100644 --- a/drivers/clk/samsung/clk-s3c2410.c +++ b/drivers/clk/samsung/clk-s3c2410.c @@ -95,7 +95,7 @@ static void __init s3c2410_clk_sleep_init(void) {} PNAME(fclk_p) = { "mpll", "div_slow" }; -struct samsung_mux_clock s3c2410_common_muxes[] __initdata = { +static struct samsung_mux_clock s3c2410_common_muxes[] __initdata = { MUX(FCLK, "fclk", fclk_p, CLKSLOW, 4, 1), }; @@ -111,12 +111,12 @@ static struct clk_div_table divslow_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c2410_common_dividers[] __initdata = { +static struct samsung_div_clock s3c2410_common_dividers[] __initdata = { DIV_T(0, "div_slow", "xti", CLKSLOW, 0, 3, divslow_d), DIV(PCLK, "pclk", "hclk", CLKDIVN, 0, 1), }; -struct samsung_gate_clock s3c2410_common_gates[] __initdata = { +static struct samsung_gate_clock s3c2410_common_gates[] __initdata = { GATE(PCLK_SPI, "spi", "pclk", CLKCON, 18, 0, 0), GATE(PCLK_I2S, "i2s", "pclk", CLKCON, 17, 0, 0), GATE(PCLK_I2C, "i2c", "pclk", CLKCON, 16, 0, 0), @@ -135,7 +135,7 @@ struct samsung_gate_clock s3c2410_common_gates[] __initdata = { }; /* should be added _after_ the soc-specific clocks are created */ -struct samsung_clock_alias s3c2410_common_aliases[] __initdata = { +static struct samsung_clock_alias s3c2410_common_aliases[] __initdata = { ALIAS(PCLK_I2C, "s3c2410-i2c.0", "i2c"), ALIAS(PCLK_ADC, NULL, "adc"), ALIAS(PCLK_RTC, NULL, "rtc"), @@ -162,34 +162,34 @@ struct samsung_clock_alias s3c2410_common_aliases[] __initdata = { static struct samsung_pll_rate_table pll_s3c2410_12mhz_tbl[] __initdata = { /* sorted in descending order */ /* 2410A extras */ - PLL_35XX_RATE(270000000, 127, 1, 1), - PLL_35XX_RATE(268000000, 126, 1, 1), - PLL_35XX_RATE(266000000, 125, 1, 1), - PLL_35XX_RATE(226000000, 105, 1, 1), - PLL_35XX_RATE(210000000, 132, 2, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 270000000, 127, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 268000000, 126, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 266000000, 125, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 226000000, 105, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 210000000, 132, 2, 1), /* 2410 common */ - PLL_35XX_RATE(203000000, 161, 3, 1), - PLL_35XX_RATE(192000000, 88, 1, 1), - PLL_35XX_RATE(186000000, 85, 1, 1), - PLL_35XX_RATE(180000000, 82, 1, 1), - PLL_35XX_RATE(170000000, 77, 1, 1), - PLL_35XX_RATE(158000000, 71, 1, 1), - PLL_35XX_RATE(152000000, 68, 1, 1), - PLL_35XX_RATE(147000000, 90, 2, 1), - PLL_35XX_RATE(135000000, 82, 2, 1), - PLL_35XX_RATE(124000000, 116, 1, 2), - PLL_35XX_RATE(118000000, 150, 2, 2), - PLL_35XX_RATE(113000000, 105, 1, 2), - PLL_35XX_RATE(101000000, 127, 2, 2), - PLL_35XX_RATE(90000000, 112, 2, 2), - PLL_35XX_RATE(85000000, 105, 2, 2), - PLL_35XX_RATE(79000000, 71, 1, 2), - PLL_35XX_RATE(68000000, 82, 2, 2), - PLL_35XX_RATE(56000000, 142, 2, 3), - PLL_35XX_RATE(48000000, 120, 2, 3), - PLL_35XX_RATE(51000000, 161, 3, 3), - PLL_35XX_RATE(45000000, 82, 1, 3), - PLL_35XX_RATE(34000000, 82, 2, 3), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 202800000, 161, 3, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 192000000, 88, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 186000000, 85, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 180000000, 82, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 170000000, 77, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 158000000, 71, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 152000000, 68, 1, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 147000000, 90, 2, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 135000000, 82, 2, 1), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 124000000, 116, 1, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 118500000, 150, 2, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 113000000, 105, 1, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 101250000, 127, 2, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 90000000, 112, 2, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 84750000, 105, 2, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 79000000, 71, 1, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 67500000, 82, 2, 2), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 56250000, 142, 2, 3), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 48000000, 120, 2, 3), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 50700000, 161, 3, 3), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 45000000, 82, 1, 3), + PLL_S3C2410_MPLL_RATE(12 * MHZ, 33750000, 82, 2, 3), { /* sentinel */ }, }; @@ -200,11 +200,11 @@ static struct samsung_pll_clock s3c2410_plls[] __initdata = { LOCKTIME, UPLLCON, NULL), }; -struct samsung_div_clock s3c2410_dividers[] __initdata = { +static struct samsung_div_clock s3c2410_dividers[] __initdata = { DIV(HCLK, "hclk", "mpll", CLKDIVN, 1, 1), }; -struct samsung_fixed_factor_clock s3c2410_ffactor[] __initdata = { +static struct samsung_fixed_factor_clock s3c2410_ffactor[] __initdata = { /* * armclk is directly supplied by the fclk, without * switching possibility like on the s3c244x below. @@ -215,7 +215,7 @@ struct samsung_fixed_factor_clock s3c2410_ffactor[] __initdata = { FFACTOR(UCLK, "uclk", "upll", 1, 1, 0), }; -struct samsung_clock_alias s3c2410_aliases[] __initdata = { +static struct samsung_clock_alias s3c2410_aliases[] __initdata = { ALIAS(PCLK_UART0, "s3c2410-uart.0", "uart"), ALIAS(PCLK_UART1, "s3c2410-uart.1", "uart"), ALIAS(PCLK_UART2, "s3c2410-uart.2", "uart"), @@ -229,33 +229,33 @@ struct samsung_clock_alias s3c2410_aliases[] __initdata = { static struct samsung_pll_rate_table pll_s3c244x_12mhz_tbl[] __initdata = { /* sorted in descending order */ - PLL_35XX_RATE(400000000, 0x5c, 1, 1), - PLL_35XX_RATE(390000000, 0x7a, 2, 1), - PLL_35XX_RATE(380000000, 0x57, 1, 1), - PLL_35XX_RATE(370000000, 0xb1, 4, 1), - PLL_35XX_RATE(360000000, 0x70, 2, 1), - PLL_35XX_RATE(350000000, 0xa7, 4, 1), - PLL_35XX_RATE(340000000, 0x4d, 1, 1), - PLL_35XX_RATE(330000000, 0x66, 2, 1), - PLL_35XX_RATE(320000000, 0x98, 4, 1), - PLL_35XX_RATE(310000000, 0x93, 4, 1), - PLL_35XX_RATE(300000000, 0x75, 3, 1), - PLL_35XX_RATE(240000000, 0x70, 1, 2), - PLL_35XX_RATE(230000000, 0x6b, 1, 2), - PLL_35XX_RATE(220000000, 0x66, 1, 2), - PLL_35XX_RATE(210000000, 0x84, 2, 2), - PLL_35XX_RATE(200000000, 0x5c, 1, 2), - PLL_35XX_RATE(190000000, 0x57, 1, 2), - PLL_35XX_RATE(180000000, 0x70, 2, 2), - PLL_35XX_RATE(170000000, 0x4d, 1, 2), - PLL_35XX_RATE(160000000, 0x98, 4, 2), - PLL_35XX_RATE(150000000, 0x75, 3, 2), - PLL_35XX_RATE(120000000, 0x70, 1, 3), - PLL_35XX_RATE(110000000, 0x66, 1, 3), - PLL_35XX_RATE(100000000, 0x5c, 1, 3), - PLL_35XX_RATE(90000000, 0x70, 2, 3), - PLL_35XX_RATE(80000000, 0x98, 4, 3), - PLL_35XX_RATE(75000000, 0x75, 3, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 400000000, 0x5c, 1, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 390000000, 0x7a, 2, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 380000000, 0x57, 1, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 370000000, 0xb1, 4, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 360000000, 0x70, 2, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 350000000, 0xa7, 4, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 340000000, 0x4d, 1, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 330000000, 0x66, 2, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 320000000, 0x98, 4, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 310000000, 0x93, 4, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 300000000, 0x75, 3, 1), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 240000000, 0x70, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 230000000, 0x6b, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 220000000, 0x66, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 210000000, 0x84, 2, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 200000000, 0x5c, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 190000000, 0x57, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 180000000, 0x70, 2, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 170000000, 0x4d, 1, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 160000000, 0x98, 4, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 150000000, 0x75, 3, 2), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 120000000, 0x70, 1, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 110000000, 0x66, 1, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 100000000, 0x5c, 1, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 90000000, 0x70, 2, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 80000000, 0x98, 4, 3), + PLL_S3C2440_MPLL_RATE(12 * MHZ, 75000000, 0x75, 3, 3), { /* sentinel */ }, }; @@ -269,12 +269,12 @@ static struct samsung_pll_clock s3c244x_common_plls[] __initdata = { PNAME(hclk_p) = { "fclk", "div_hclk_2", "div_hclk_4", "div_hclk_3" }; PNAME(armclk_p) = { "fclk", "hclk" }; -struct samsung_mux_clock s3c244x_common_muxes[] __initdata = { +static struct samsung_mux_clock s3c244x_common_muxes[] __initdata = { MUX(HCLK, "hclk", hclk_p, CLKDIVN, 1, 2), MUX(ARMCLK, "armclk", armclk_p, CAMDIVN, 12, 1), }; -struct samsung_fixed_factor_clock s3c244x_common_ffactor[] __initdata = { +static struct samsung_fixed_factor_clock s3c244x_common_ffactor[] __initdata = { FFACTOR(0, "div_hclk_2", "fclk", 1, 2, 0), FFACTOR(0, "ff_cam", "div_cam", 2, 1, CLK_SET_RATE_PARENT), }; @@ -291,7 +291,7 @@ static struct clk_div_table div_hclk_3_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c244x_common_dividers[] __initdata = { +static struct samsung_div_clock s3c244x_common_dividers[] __initdata = { DIV(UCLK, "uclk", "upll", CLKDIVN, 3, 1), DIV(0, "div_hclk", "fclk", CLKDIVN, 1, 1), DIV_T(0, "div_hclk_4", "fclk", CAMDIVN, 9, 1, div_hclk_4_d), @@ -299,11 +299,11 @@ struct samsung_div_clock s3c244x_common_dividers[] __initdata = { DIV(0, "div_cam", "upll", CAMDIVN, 0, 3), }; -struct samsung_gate_clock s3c244x_common_gates[] __initdata = { +static struct samsung_gate_clock s3c244x_common_gates[] __initdata = { GATE(HCLK_CAM, "cam", "hclk", CLKCON, 19, 0, 0), }; -struct samsung_clock_alias s3c244x_common_aliases[] __initdata = { +static struct samsung_clock_alias s3c244x_common_aliases[] __initdata = { ALIAS(PCLK_UART0, "s3c2440-uart.0", "uart"), ALIAS(PCLK_UART1, "s3c2440-uart.1", "uart"), ALIAS(PCLK_UART2, "s3c2440-uart.2", "uart"), @@ -318,23 +318,23 @@ struct samsung_clock_alias s3c244x_common_aliases[] __initdata = { PNAME(s3c2440_camif_p) = { "upll", "ff_cam" }; -struct samsung_mux_clock s3c2440_muxes[] __initdata = { +static struct samsung_mux_clock s3c2440_muxes[] __initdata = { MUX(CAMIF, "camif", s3c2440_camif_p, CAMDIVN, 4, 1), }; -struct samsung_gate_clock s3c2440_gates[] __initdata = { +static struct samsung_gate_clock s3c2440_gates[] __initdata = { GATE(PCLK_AC97, "ac97", "pclk", CLKCON, 20, 0, 0), }; /* S3C2442 specific clocks */ -struct samsung_fixed_factor_clock s3c2442_ffactor[] __initdata = { +static struct samsung_fixed_factor_clock s3c2442_ffactor[] __initdata = { FFACTOR(0, "upll_3", "upll", 1, 3, 0), }; PNAME(s3c2442_camif_p) = { "upll", "ff_cam", "upll", "upll_3" }; -struct samsung_mux_clock s3c2442_muxes[] __initdata = { +static struct samsung_mux_clock s3c2442_muxes[] __initdata = { MUX(CAMIF, "camif", s3c2442_camif_p, CAMDIVN, 4, 2), }; @@ -343,7 +343,7 @@ struct samsung_mux_clock s3c2442_muxes[] __initdata = { * Only necessary until the devicetree-move is complete */ #define XTI 1 -struct samsung_fixed_rate_clock s3c2410_common_frate_clks[] __initdata = { +static struct samsung_fixed_rate_clock s3c2410_common_frate_clks[] __initdata = { FRATE(XTI, "xti", NULL, 0, 0), }; @@ -468,18 +468,18 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, static void __init s3c2410_clk_init(struct device_node *np) { - s3c2410_common_clk_init(np, 0, S3C2410, 0); + s3c2410_common_clk_init(np, 0, S3C2410, NULL); } CLK_OF_DECLARE(s3c2410_clk, "samsung,s3c2410-clock", s3c2410_clk_init); static void __init s3c2440_clk_init(struct device_node *np) { - s3c2410_common_clk_init(np, 0, S3C2440, 0); + s3c2410_common_clk_init(np, 0, S3C2440, NULL); } CLK_OF_DECLARE(s3c2440_clk, "samsung,s3c2440-clock", s3c2440_clk_init); static void __init s3c2442_clk_init(struct device_node *np) { - s3c2410_common_clk_init(np, 0, S3C2442, 0); + s3c2410_common_clk_init(np, 0, S3C2442, NULL); } CLK_OF_DECLARE(s3c2442_clk, "samsung,s3c2442-clock", s3c2442_clk_init); diff --git a/drivers/clk/samsung/clk-s3c2412.c b/drivers/clk/samsung/clk-s3c2412.c index b8340a49921b..6bc94d3aff78 100644 --- a/drivers/clk/samsung/clk-s3c2412.c +++ b/drivers/clk/samsung/clk-s3c2412.c @@ -27,11 +27,6 @@ #define CLKSRC 0x1c #define SWRST 0x30 -/* list of PLLs to be registered */ -enum s3c2412_plls { - mpll, upll, -}; - static void __iomem *reg_base; #ifdef CONFIG_PM_SLEEP @@ -98,7 +93,7 @@ static struct clk_div_table divxti_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c2412_dividers[] __initdata = { +static struct samsung_div_clock s3c2412_dividers[] __initdata = { DIV_T(0, "div_xti", "xti", CLKSRC, 0, 3, divxti_d), DIV(0, "div_cam", "mux_cam", CLKDIVN, 16, 4), DIV(0, "div_i2s", "mux_i2s", CLKDIVN, 12, 4), @@ -110,7 +105,7 @@ struct samsung_div_clock s3c2412_dividers[] __initdata = { DIV(HCLK, "hclk", "armdiv", CLKDIVN, 0, 2), }; -struct samsung_fixed_factor_clock s3c2412_ffactor[] __initdata = { +static struct samsung_fixed_factor_clock s3c2412_ffactor[] __initdata = { FFACTOR(0, "ff_hclk", "hclk", 2, 1, CLK_SET_RATE_PARENT), }; @@ -130,7 +125,7 @@ PNAME(msysclk_p) = { "mdivclk", "mpll" }; PNAME(mdivclk_p) = { "xti", "div_xti" }; PNAME(armclk_p) = { "armdiv", "hclk" }; -struct samsung_mux_clock s3c2412_muxes[] __initdata = { +static struct samsung_mux_clock s3c2412_muxes[] __initdata = { MUX(0, "erefclk", erefclk_p, CLKSRC, 14, 2), MUX(0, "urefclk", urefclk_p, CLKSRC, 12, 2), MUX(0, "mux_cam", camclk_p, CLKSRC, 11, 1), @@ -144,13 +139,11 @@ struct samsung_mux_clock s3c2412_muxes[] __initdata = { }; static struct samsung_pll_clock s3c2412_plls[] __initdata = { - [mpll] = PLL(pll_s3c2440_mpll, MPLL, "mpll", "xti", - LOCKTIME, MPLLCON, NULL), - [upll] = PLL(pll_s3c2410_upll, UPLL, "upll", "urefclk", - LOCKTIME, UPLLCON, NULL), + PLL(pll_s3c2440_mpll, MPLL, "mpll", "xti", LOCKTIME, MPLLCON, NULL), + PLL(pll_s3c2410_upll, UPLL, "upll", "urefclk", LOCKTIME, UPLLCON, NULL), }; -struct samsung_gate_clock s3c2412_gates[] __initdata = { +static struct samsung_gate_clock s3c2412_gates[] __initdata = { GATE(PCLK_WDT, "wdt", "pclk", CLKCON, 28, 0, 0), GATE(PCLK_SPI, "spi", "pclk", CLKCON, 27, 0, 0), GATE(PCLK_I2S, "i2s", "pclk", CLKCON, 26, 0, 0), @@ -181,7 +174,7 @@ struct samsung_gate_clock s3c2412_gates[] __initdata = { GATE(HCLK_DMA0, "dma0", "hclk", CLKCON, 0, CLK_IGNORE_UNUSED, 0), }; -struct samsung_clock_alias s3c2412_aliases[] __initdata = { +static struct samsung_clock_alias s3c2412_aliases[] __initdata = { ALIAS(PCLK_UART0, "s3c2412-uart.0", "uart"), ALIAS(PCLK_UART1, "s3c2412-uart.1", "uart"), ALIAS(PCLK_UART2, "s3c2412-uart.2", "uart"), @@ -231,7 +224,7 @@ static struct notifier_block s3c2412_restart_handler = { * Only necessary until the devicetree-move is complete */ #define XTI 1 -struct samsung_fixed_rate_clock s3c2412_common_frate_clks[] __initdata = { +static struct samsung_fixed_rate_clock s3c2412_common_frate_clks[] __initdata = { FRATE(XTI, "xti", NULL, 0, 0), FRATE(0, "ext", NULL, 0, 0), }; @@ -296,6 +289,6 @@ void __init s3c2412_common_clk_init(struct device_node *np, unsigned long xti_f, static void __init s3c2412_clk_init(struct device_node *np) { - s3c2412_common_clk_init(np, 0, 0, 0); + s3c2412_common_clk_init(np, 0, 0, NULL); } CLK_OF_DECLARE(s3c2412_clk, "samsung,s3c2412-clock", s3c2412_clk_init); diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c index d94b85a42356..c46e6d5bc9bc 100644 --- a/drivers/clk/samsung/clk-s3c2443.c +++ b/drivers/clk/samsung/clk-s3c2443.c @@ -41,11 +41,6 @@ enum supported_socs { S3C2450, }; -/* list of PLLs to be registered */ -enum s3c2443_plls { - mpll, epll, -}; - static void __iomem *reg_base; #ifdef CONFIG_PM_SLEEP @@ -113,7 +108,7 @@ PNAME(msysclk_p) = { "mpllref", "mpll" }; PNAME(armclk_p) = { "armdiv" , "hclk" }; PNAME(i2s0_p) = { "div_i2s0", "ext_i2s", "epllref", "epllref" }; -struct samsung_mux_clock s3c2443_common_muxes[] __initdata = { +static struct samsung_mux_clock s3c2443_common_muxes[] __initdata = { MUX(0, "epllref", epllref_p, CLKSRC, 7, 2), MUX(ESYSCLK, "esysclk", esysclk_p, CLKSRC, 6, 1), MUX(0, "mpllref", mpllref_p, CLKSRC, 3, 1), @@ -141,7 +136,7 @@ static struct clk_div_table mdivclk_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c2443_common_dividers[] __initdata = { +static struct samsung_div_clock s3c2443_common_dividers[] __initdata = { DIV_T(0, "mdivclk", "xti", CLKDIV0, 6, 3, mdivclk_d), DIV(0, "prediv", "msysclk", CLKDIV0, 4, 2), DIV_T(HCLK, "hclk", "prediv", CLKDIV0, 0, 2, hclk_d), @@ -154,7 +149,7 @@ struct samsung_div_clock s3c2443_common_dividers[] __initdata = { DIV(0, "div_usbhost", "esysclk", CLKDIV1, 4, 2), }; -struct samsung_gate_clock s3c2443_common_gates[] __initdata = { +static struct samsung_gate_clock s3c2443_common_gates[] __initdata = { GATE(SCLK_HSMMC_EXT, "sclk_hsmmcext", "ext", SCLKCON, 13, 0, 0), GATE(SCLK_HSMMC1, "sclk_hsmmc1", "div_hsmmc1", SCLKCON, 12, 0, 0), GATE(SCLK_FIMD, "sclk_fimd", "div_fimd", SCLKCON, 10, 0, 0), @@ -188,7 +183,7 @@ struct samsung_gate_clock s3c2443_common_gates[] __initdata = { GATE(PCLK_UART0, "uart0", "pclk", PCLKCON, 0, 0, 0), }; -struct samsung_clock_alias s3c2443_common_aliases[] __initdata = { +static struct samsung_clock_alias s3c2443_common_aliases[] __initdata = { ALIAS(MSYSCLK, NULL, "msysclk"), ALIAS(ARMCLK, NULL, "armclk"), ALIAS(MPLL, NULL, "mpll"), @@ -225,10 +220,8 @@ struct samsung_clock_alias s3c2443_common_aliases[] __initdata = { /* S3C2416 specific clocks */ static struct samsung_pll_clock s3c2416_pll_clks[] __initdata = { - [mpll] = PLL(pll_6552_s3c2416, MPLL, "mpll", "mpllref", - LOCKCON0, MPLLCON, NULL), - [epll] = PLL(pll_6553, EPLL, "epll", "epllref", - LOCKCON1, EPLLCON, NULL), + PLL(pll_6552_s3c2416, MPLL, "mpll", "mpllref", LOCKCON0, MPLLCON, NULL), + PLL(pll_6553, EPLL, "epll", "epllref", LOCKCON1, EPLLCON, NULL), }; PNAME(s3c2416_hsmmc0_p) = { "sclk_hsmmc0", "sclk_hsmmcext" }; @@ -245,19 +238,19 @@ static struct clk_div_table armdiv_s3c2416_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c2416_dividers[] __initdata = { +static struct samsung_div_clock s3c2416_dividers[] __initdata = { DIV_T(ARMDIV, "armdiv", "msysclk", CLKDIV0, 9, 3, armdiv_s3c2416_d), DIV(0, "div_hsspi0_mpll", "msysclk", CLKDIV2, 0, 4), DIV(0, "div_hsmmc0", "esysclk", CLKDIV2, 6, 2), }; -struct samsung_mux_clock s3c2416_muxes[] __initdata = { +static struct samsung_mux_clock s3c2416_muxes[] __initdata = { MUX(MUX_HSMMC0, "mux_hsmmc0", s3c2416_hsmmc0_p, CLKSRC, 16, 1), MUX(MUX_HSMMC1, "mux_hsmmc1", s3c2416_hsmmc1_p, CLKSRC, 17, 1), MUX(MUX_HSSPI0, "mux_hsspi0", s3c2416_hsspi0_p, CLKSRC, 18, 1), }; -struct samsung_gate_clock s3c2416_gates[] __initdata = { +static struct samsung_gate_clock s3c2416_gates[] __initdata = { GATE(0, "hsspi0_mpll", "div_hsspi0_mpll", SCLKCON, 19, 0, 0), GATE(0, "hsspi0_epll", "div_hsspi0_epll", SCLKCON, 14, 0, 0), GATE(0, "sclk_hsmmc0", "div_hsmmc0", SCLKCON, 6, 0, 0), @@ -267,7 +260,7 @@ struct samsung_gate_clock s3c2416_gates[] __initdata = { GATE(PCLK_PCM, "pcm", "pclk", PCLKCON, 19, 0, 0), }; -struct samsung_clock_alias s3c2416_aliases[] __initdata = { +static struct samsung_clock_alias s3c2416_aliases[] __initdata = { ALIAS(HCLK_HSMMC0, "s3c-sdhci.0", "hsmmc"), ALIAS(HCLK_HSMMC0, "s3c-sdhci.0", "mmc_busclk.0"), ALIAS(MUX_HSMMC0, "s3c-sdhci.0", "mmc_busclk.2"), @@ -279,10 +272,8 @@ struct samsung_clock_alias s3c2416_aliases[] __initdata = { /* S3C2443 specific clocks */ static struct samsung_pll_clock s3c2443_pll_clks[] __initdata = { - [mpll] = PLL(pll_3000, MPLL, "mpll", "mpllref", - LOCKCON0, MPLLCON, NULL), - [epll] = PLL(pll_2126, EPLL, "epll", "epllref", - LOCKCON1, EPLLCON, NULL), + PLL(pll_3000, MPLL, "mpll", "mpllref", LOCKCON0, MPLLCON, NULL), + PLL(pll_2126, EPLL, "epll", "epllref", LOCKCON1, EPLLCON, NULL), }; static struct clk_div_table armdiv_s3c2443_d[] = { @@ -297,12 +288,12 @@ static struct clk_div_table armdiv_s3c2443_d[] = { { /* sentinel */ }, }; -struct samsung_div_clock s3c2443_dividers[] __initdata = { +static struct samsung_div_clock s3c2443_dividers[] __initdata = { DIV_T(ARMDIV, "armdiv", "msysclk", CLKDIV0, 9, 4, armdiv_s3c2443_d), DIV(0, "div_cam", "esysclk", CLKDIV1, 26, 4), }; -struct samsung_gate_clock s3c2443_gates[] __initdata = { +static struct samsung_gate_clock s3c2443_gates[] __initdata = { GATE(SCLK_HSSPI0, "sclk_hsspi0", "div_hsspi0_epll", SCLKCON, 14, 0, 0), GATE(SCLK_CAM, "sclk_cam", "div_cam", SCLKCON, 11, 0, 0), GATE(HCLK_CFC, "cfc", "hclk", HCLKCON, 17, CLK_IGNORE_UNUSED, 0), @@ -311,7 +302,7 @@ struct samsung_gate_clock s3c2443_gates[] __initdata = { GATE(PCLK_SDI, "sdi", "pclk", PCLKCON, 5, 0, 0), }; -struct samsung_clock_alias s3c2443_aliases[] __initdata = { +static struct samsung_clock_alias s3c2443_aliases[] __initdata = { ALIAS(SCLK_HSSPI0, "s3c2443-spi.0", "spi_busclk2"), ALIAS(SCLK_HSMMC1, "s3c-sdhci.1", "mmc_busclk.2"), ALIAS(SCLK_CAM, NULL, "camif-upll"), @@ -327,20 +318,20 @@ PNAME(s3c2450_cam_p) = { "div_cam", "hclk" }; PNAME(s3c2450_hsspi1_p) = { "hsspi1_epll", "hsspi1_mpll" }; PNAME(i2s1_p) = { "div_i2s1", "ext_i2s", "epllref", "epllref" }; -struct samsung_div_clock s3c2450_dividers[] __initdata = { +static struct samsung_div_clock s3c2450_dividers[] __initdata = { DIV(0, "div_cam", "esysclk", CLKDIV1, 26, 4), DIV(0, "div_hsspi1_epll", "esysclk", CLKDIV2, 24, 2), DIV(0, "div_hsspi1_mpll", "msysclk", CLKDIV2, 16, 4), DIV(0, "div_i2s1", "esysclk", CLKDIV2, 12, 4), }; -struct samsung_mux_clock s3c2450_muxes[] __initdata = { +static struct samsung_mux_clock s3c2450_muxes[] __initdata = { MUX(0, "mux_cam", s3c2450_cam_p, CLKSRC, 20, 1), MUX(MUX_HSSPI1, "mux_hsspi1", s3c2450_hsspi1_p, CLKSRC, 19, 1), MUX(0, "mux_i2s1", i2s1_p, CLKSRC, 12, 2), }; -struct samsung_gate_clock s3c2450_gates[] __initdata = { +static struct samsung_gate_clock s3c2450_gates[] __initdata = { GATE(SCLK_I2S1, "sclk_i2s1", "div_i2s1", SCLKCON, 5, 0, 0), GATE(HCLK_CFC, "cfc", "hclk", HCLKCON, 17, 0, 0), GATE(HCLK_CAM, "cam", "hclk", HCLKCON, 8, 0, 0), @@ -351,7 +342,7 @@ struct samsung_gate_clock s3c2450_gates[] __initdata = { GATE(PCLK_SPI1, "spi1", "pclk", PCLKCON, 14, 0, 0), }; -struct samsung_clock_alias s3c2450_aliases[] __initdata = { +static struct samsung_clock_alias s3c2450_aliases[] __initdata = { ALIAS(PCLK_SPI1, "s3c2443-spi.1", "spi"), ALIAS(PCLK_SPI1, "s3c2443-spi.1", "spi_busclk0"), ALIAS(MUX_HSSPI1, "s3c2443-spi.1", "spi_busclk2"), @@ -374,7 +365,7 @@ static struct notifier_block s3c2443_restart_handler = { * fixed rate clocks generated outside the soc * Only necessary until the devicetree-move is complete */ -struct samsung_fixed_rate_clock s3c2443_common_frate_clks[] __initdata = { +static struct samsung_fixed_rate_clock s3c2443_common_frate_clks[] __initdata = { FRATE(0, "xti", NULL, 0, 0), FRATE(0, "ext", NULL, 0, 0), FRATE(0, "ext_i2s", NULL, 0, 0), @@ -470,18 +461,18 @@ void __init s3c2443_common_clk_init(struct device_node *np, unsigned long xti_f, static void __init s3c2416_clk_init(struct device_node *np) { - s3c2443_common_clk_init(np, 0, S3C2416, 0); + s3c2443_common_clk_init(np, 0, S3C2416, NULL); } CLK_OF_DECLARE(s3c2416_clk, "samsung,s3c2416-clock", s3c2416_clk_init); static void __init s3c2443_clk_init(struct device_node *np) { - s3c2443_common_clk_init(np, 0, S3C2443, 0); + s3c2443_common_clk_init(np, 0, S3C2443, NULL); } CLK_OF_DECLARE(s3c2443_clk, "samsung,s3c2443-clock", s3c2443_clk_init); static void __init s3c2450_clk_init(struct device_node *np) { - s3c2443_common_clk_init(np, 0, S3C2450, 0); + s3c2443_common_clk_init(np, 0, S3C2450, NULL); } CLK_OF_DECLARE(s3c2450_clk, "samsung,s3c2450-clock", s3c2450_clk_init); diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c index 7306867a0ab8..6db01cf5ab83 100644 --- a/drivers/clk/samsung/clk-s3c64xx.c +++ b/drivers/clk/samsung/clk-s3c64xx.c @@ -56,11 +56,6 @@ #define GATE_ON(_id, cname, pname, o, b) \ GATE(_id, cname, pname, o, b, CLK_IGNORE_UNUSED, 0) -/* list of PLLs to be registered */ -enum s3c64xx_plls { - apll, mpll, epll, -}; - static void __iomem *reg_base; static bool is_s3c6400; @@ -364,12 +359,12 @@ GATE_CLOCKS(s3c6410_gate_clks) __initdata = { /* List of PLL clocks. */ static struct samsung_pll_clock s3c64xx_pll_clks[] __initdata = { - [apll] = PLL(pll_6552, FOUT_APLL, "fout_apll", "fin_pll", - APLL_LOCK, APLL_CON, NULL), - [mpll] = PLL(pll_6552, FOUT_MPLL, "fout_mpll", "fin_pll", - MPLL_LOCK, MPLL_CON, NULL), - [epll] = PLL(pll_6553, FOUT_EPLL, "fout_epll", "fin_pll", - EPLL_LOCK, EPLL_CON0, NULL), + PLL(pll_6552, FOUT_APLL, "fout_apll", "fin_pll", + APLL_LOCK, APLL_CON, NULL), + PLL(pll_6552, FOUT_MPLL, "fout_mpll", "fin_pll", + MPLL_LOCK, MPLL_CON, NULL), + PLL(pll_6553, FOUT_EPLL, "fout_epll", "fin_pll", + EPLL_LOCK, EPLL_CON0, NULL), }; /* Aliases for common s3c64xx clocks. */ diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile index 9146c20fe21f..ce5aa7802eb8 100644 --- a/drivers/clk/socfpga/Makefile +++ b/drivers/clk/socfpga/Makefile @@ -1,6 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -obj-y += clk.o -obj-y += clk-gate.o -obj-y += clk-pll.o -obj-y += clk-periph.o -obj-y += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o +obj-$(CONFIG_ARCH_SOCFPGA) += clk.o clk-gate.o clk-pll.o clk-periph.o +obj-$(CONFIG_ARCH_SOCFPGA) += clk-pll-a10.o clk-periph-a10.o clk-gate-a10.o +obj-$(CONFIG_ARCH_STRATIX10) += clk-s10.o +obj-$(CONFIG_ARCH_STRATIX10) += clk-pll-s10.o clk-periph-s10.o clk-gate-s10.o diff --git a/drivers/clk/socfpga/clk-gate-s10.c b/drivers/clk/socfpga/clk-gate-s10.c new file mode 100644 index 000000000000..eee2d48ab656 --- /dev/null +++ b/drivers/clk/socfpga/clk-gate-s10.c @@ -0,0 +1,125 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017, Intel Corporation + */ +#include <linux/clk-provider.h> +#include <linux/slab.h> +#include "stratix10-clk.h" +#include "clk.h" + +#define SOCFPGA_CS_PDBG_CLK "cs_pdbg_clk" +#define to_socfpga_gate_clk(p) container_of(p, struct socfpga_gate_clk, hw.hw) + +static unsigned long socfpga_gate_clk_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk); + u32 div = 1, val; + + if (socfpgaclk->fixed_div) { + div = socfpgaclk->fixed_div; + } else if (socfpgaclk->div_reg) { + val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift; + val &= GENMASK(socfpgaclk->width - 1, 0); + div = (1 << val); + } + return parent_rate / div; +} + +static unsigned long socfpga_dbg_clk_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk); + u32 div = 1, val; + + val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift; + val &= GENMASK(socfpgaclk->width - 1, 0); + div = (1 << val); + div = div ? 4 : 1; + + return parent_rate / div; +} + +static u8 socfpga_gate_get_parent(struct clk_hw *hwclk) +{ + struct socfpga_gate_clk *socfpgaclk = to_socfpga_gate_clk(hwclk); + u32 mask; + u8 parent = 0; + + if (socfpgaclk->bypass_reg) { + mask = (0x1 << socfpgaclk->bypass_shift); + parent = ((readl(socfpgaclk->bypass_reg) & mask) >> + socfpgaclk->bypass_shift); + } + return parent; +} + +static struct clk_ops gateclk_ops = { + .recalc_rate = socfpga_gate_clk_recalc_rate, + .get_parent = socfpga_gate_get_parent, +}; + +static const struct clk_ops dbgclk_ops = { + .recalc_rate = socfpga_dbg_clk_recalc_rate, + .get_parent = socfpga_gate_get_parent, +}; + +struct clk *s10_register_gate(const char *name, const char *parent_name, + const char * const *parent_names, + u8 num_parents, unsigned long flags, + void __iomem *regbase, unsigned long gate_reg, + unsigned long gate_idx, unsigned long div_reg, + unsigned long div_offset, u8 div_width, + unsigned long bypass_reg, u8 bypass_shift, + u8 fixed_div) +{ + struct clk *clk; + struct socfpga_gate_clk *socfpga_clk; + struct clk_init_data init; + + socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL); + if (!socfpga_clk) + return NULL; + + socfpga_clk->hw.reg = regbase + gate_reg; + socfpga_clk->hw.bit_idx = gate_idx; + + gateclk_ops.enable = clk_gate_ops.enable; + gateclk_ops.disable = clk_gate_ops.disable; + + socfpga_clk->fixed_div = fixed_div; + + if (div_reg) + socfpga_clk->div_reg = regbase + div_reg; + else + socfpga_clk->div_reg = NULL; + + socfpga_clk->width = div_width; + socfpga_clk->shift = div_offset; + + if (bypass_reg) + socfpga_clk->bypass_reg = regbase + bypass_reg; + else + socfpga_clk->bypass_reg = NULL; + socfpga_clk->bypass_shift = bypass_shift; + + if (streq(name, "cs_pdbg_clk")) + init.ops = &dbgclk_ops; + else + init.ops = &gateclk_ops; + + init.name = name; + init.flags = flags; + + init.num_parents = num_parents; + init.parent_names = parent_names ? parent_names : &parent_name; + socfpga_clk->hw.hw.init = &init; + + clk = clk_register(NULL, &socfpga_clk->hw.hw); + if (WARN_ON(IS_ERR(clk))) { + kfree(socfpga_clk); + return NULL; + } + + return clk; +} diff --git a/drivers/clk/socfpga/clk-periph-s10.c b/drivers/clk/socfpga/clk-periph-s10.c new file mode 100644 index 000000000000..568f59b58ddf --- /dev/null +++ b/drivers/clk/socfpga/clk-periph-s10.c @@ -0,0 +1,149 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017, Intel Corporation + */ +#include <linux/slab.h> +#include <linux/clk-provider.h> + +#include "stratix10-clk.h" +#include "clk.h" + +#define CLK_MGR_FREE_SHIFT 16 +#define CLK_MGR_FREE_MASK 0x7 +#define SWCTRLBTCLKSEN_SHIFT 8 + +#define to_periph_clk(p) container_of(p, struct socfpga_periph_clk, hw.hw) + +static unsigned long clk_peri_c_clk_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk); + unsigned long div = 1; + u32 val; + + val = readl(socfpgaclk->hw.reg); + val &= GENMASK(SWCTRLBTCLKSEN_SHIFT - 1, 0); + parent_rate /= val; + + return parent_rate / div; +} + +static unsigned long clk_peri_cnt_clk_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk); + unsigned long div = 1; + + if (socfpgaclk->fixed_div) { + div = socfpgaclk->fixed_div; + } else { + if (!socfpgaclk->bypass_reg) + div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1); + } + + return parent_rate / div; +} + +static u8 clk_periclk_get_parent(struct clk_hw *hwclk) +{ + struct socfpga_periph_clk *socfpgaclk = to_periph_clk(hwclk); + u32 clk_src, mask; + u8 parent; + + if (socfpgaclk->bypass_reg) { + mask = (0x1 << socfpgaclk->bypass_shift); + parent = ((readl(socfpgaclk->bypass_reg) & mask) >> + socfpgaclk->bypass_shift); + } else { + clk_src = readl(socfpgaclk->hw.reg); + parent = (clk_src >> CLK_MGR_FREE_SHIFT) & + CLK_MGR_FREE_MASK; + } + return parent; +} + +static const struct clk_ops peri_c_clk_ops = { + .recalc_rate = clk_peri_c_clk_recalc_rate, + .get_parent = clk_periclk_get_parent, +}; + +static const struct clk_ops peri_cnt_clk_ops = { + .recalc_rate = clk_peri_cnt_clk_recalc_rate, + .get_parent = clk_periclk_get_parent, +}; + +struct clk *s10_register_periph(const char *name, const char *parent_name, + const char * const *parent_names, + u8 num_parents, unsigned long flags, + void __iomem *reg, unsigned long offset) +{ + struct clk *clk; + struct socfpga_periph_clk *periph_clk; + struct clk_init_data init; + + periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); + if (WARN_ON(!periph_clk)) + return NULL; + + periph_clk->hw.reg = reg + offset; + + init.name = name; + init.ops = &peri_c_clk_ops; + init.flags = flags; + + init.num_parents = num_parents; + init.parent_names = parent_names ? parent_names : &parent_name; + + periph_clk->hw.hw.init = &init; + + clk = clk_register(NULL, &periph_clk->hw.hw); + if (WARN_ON(IS_ERR(clk))) { + kfree(periph_clk); + return NULL; + } + return clk; +} + +struct clk *s10_register_cnt_periph(const char *name, const char *parent_name, + const char * const *parent_names, + u8 num_parents, unsigned long flags, + void __iomem *regbase, unsigned long offset, + u8 fixed_divider, unsigned long bypass_reg, + unsigned long bypass_shift) +{ + struct clk *clk; + struct socfpga_periph_clk *periph_clk; + struct clk_init_data init; + + periph_clk = kzalloc(sizeof(*periph_clk), GFP_KERNEL); + if (WARN_ON(!periph_clk)) + return NULL; + + if (offset) + periph_clk->hw.reg = regbase + offset; + else + periph_clk->hw.reg = NULL; + + if (bypass_reg) + periph_clk->bypass_reg = regbase + bypass_reg; + else + periph_clk->bypass_reg = NULL; + periph_clk->bypass_shift = bypass_shift; + periph_clk->fixed_div = fixed_divider; + + init.name = name; + init.ops = &peri_cnt_clk_ops; + init.flags = flags; + + init.num_parents = num_parents; + init.parent_names = parent_names ? parent_names : &parent_name; + + periph_clk->hw.hw.init = &init; + + clk = clk_register(NULL, &periph_clk->hw.hw); + if (WARN_ON(IS_ERR(clk))) { + kfree(periph_clk); + return NULL; + } + return clk; +} diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c new file mode 100644 index 000000000000..2d5d8b43727e --- /dev/null +++ b/drivers/clk/socfpga/clk-pll-s10.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017, Intel Corporation + */ +#include <linux/slab.h> +#include <linux/clk-provider.h> + +#include "stratix10-clk.h" +#include "clk.h" + +/* Clock Manager offsets */ +#define CLK_MGR_PLL_CLK_SRC_SHIFT 16 +#define CLK_MGR_PLL_CLK_SRC_MASK 0x3 + +/* PLL Clock enable bits */ +#define SOCFPGA_PLL_POWER 0 +#define SOCFPGA_PLL_RESET_MASK 0x2 +#define SOCFPGA_PLL_REFDIV_MASK 0x00003F00 +#define SOCFPGA_PLL_REFDIV_SHIFT 8 +#define SOCFPGA_PLL_MDIV_MASK 0xFF000000 +#define SOCFPGA_PLL_MDIV_SHIFT 24 +#define SWCTRLBTCLKSEL_MASK 0x200 +#define SWCTRLBTCLKSEL_SHIFT 9 + +#define SOCFPGA_BOOT_CLK "boot_clk" + +#define to_socfpga_clk(p) container_of(p, struct socfpga_pll, hw.hw) + +static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + unsigned long mdiv; + unsigned long refdiv; + unsigned long reg; + unsigned long long vco_freq; + + /* read VCO1 reg for numerator and denominator */ + reg = readl(socfpgaclk->hw.reg); + refdiv = (reg & SOCFPGA_PLL_REFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT; + vco_freq = (unsigned long long)parent_rate / refdiv; + + /* Read mdiv and fdiv from the fdbck register */ + reg = readl(socfpgaclk->hw.reg + 0x4); + mdiv = (reg & SOCFPGA_PLL_MDIV_MASK) >> SOCFPGA_PLL_MDIV_SHIFT; + vco_freq = (unsigned long long)parent_rate * (mdiv + 6); + + return (unsigned long)vco_freq; +} + +static unsigned long clk_boot_clk_recalc_rate(struct clk_hw *hwclk, + unsigned long parent_rate) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + u32 div = 1; + + div = ((readl(socfpgaclk->hw.reg) & + SWCTRLBTCLKSEL_MASK) >> + SWCTRLBTCLKSEL_SHIFT); + div += 1; + return parent_rate /= div; +} + + +static u8 clk_pll_get_parent(struct clk_hw *hwclk) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + u32 pll_src; + + pll_src = readl(socfpgaclk->hw.reg); + return (pll_src >> CLK_MGR_PLL_CLK_SRC_SHIFT) & + CLK_MGR_PLL_CLK_SRC_MASK; +} + +static u8 clk_boot_get_parent(struct clk_hw *hwclk) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + u32 pll_src; + + pll_src = readl(socfpgaclk->hw.reg); + return (pll_src >> SWCTRLBTCLKSEL_SHIFT) & + SWCTRLBTCLKSEL_MASK; +} + +static int clk_pll_prepare(struct clk_hw *hwclk) +{ + struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk); + u32 reg; + + /* Bring PLL out of reset */ + reg = readl(socfpgaclk->hw.reg); + reg |= SOCFPGA_PLL_RESET_MASK; + writel(reg, socfpgaclk->hw.reg); + + return 0; +} + +static struct clk_ops clk_pll_ops = { + .recalc_rate = clk_pll_recalc_rate, + .get_parent = clk_pll_get_parent, + .prepare = clk_pll_prepare, +}; + +static struct clk_ops clk_boot_ops = { + .recalc_rate = clk_boot_clk_recalc_rate, + .get_parent = clk_boot_get_parent, + .prepare = clk_pll_prepare, +}; + +struct clk *s10_register_pll(const char *name, const char * const *parent_names, + u8 num_parents, unsigned long flags, + void __iomem *reg, unsigned long offset) +{ + struct clk *clk; + struct socfpga_pll *pll_clk; + struct clk_init_data init; + + pll_clk = kzalloc(sizeof(*pll_clk), GFP_KERNEL); + if (WARN_ON(!pll_clk)) + return NULL; + + pll_clk->hw.reg = reg + offset; + + if (streq(name, SOCFPGA_BOOT_CLK)) + init.ops = &clk_boot_ops; + else + init.ops = &clk_pll_ops; + + init.name = name; + init.flags = flags; + + init.num_parents = num_parents; + init.parent_names = parent_names; + pll_clk->hw.hw.init = &init; + + pll_clk->hw.bit_idx = SOCFPGA_PLL_POWER; + clk_pll_ops.enable = clk_gate_ops.enable; + clk_pll_ops.disable = clk_gate_ops.disable; + + clk = clk_register(NULL, &pll_clk->hw.hw); + if (WARN_ON(IS_ERR(clk))) { + kfree(pll_clk); + return NULL; + } + return clk; +} diff --git a/drivers/clk/socfpga/clk-s10.c b/drivers/clk/socfpga/clk-s10.c new file mode 100644 index 000000000000..3a11c382a663 --- /dev/null +++ b/drivers/clk/socfpga/clk-s10.c @@ -0,0 +1,345 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2017, Intel Corporation + */ +#include <linux/slab.h> +#include <linux/clk-provider.h> +#include <linux/of_device.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> + +#include <dt-bindings/clock/stratix10-clock.h> + +#include "stratix10-clk.h" + +static const char * const pll_mux[] = { "osc1", "cb_intosc_hs_div2_clk", + "f2s_free_clk",}; +static const char * const cntr_mux[] = { "main_pll", "periph_pll", + "osc1", "cb_intosc_hs_div2_clk", + "f2s_free_clk"}; +static const char * const boot_mux[] = { "osc1", "cb_intosc_hs_div2_clk",}; + +static const char * const noc_free_mux[] = {"main_noc_base_clk", + "peri_noc_base_clk", + "osc1", "cb_intosc_hs_div2_clk", + "f2s_free_clk"}; + +static const char * const emaca_free_mux[] = {"peri_emaca_clk", "boot_clk"}; +static const char * const emacb_free_mux[] = {"peri_emacb_clk", "boot_clk"}; +static const char * const emac_ptp_free_mux[] = {"peri_emac_ptp_clk", "boot_clk"}; +static const char * const gpio_db_free_mux[] = {"peri_gpio_db_clk", "boot_clk"}; +static const char * const sdmmc_free_mux[] = {"peri_sdmmc_clk", "boot_clk"}; +static const char * const s2f_usr1_free_mux[] = {"peri_s2f_usr1_clk", "boot_clk"}; +static const char * const psi_ref_free_mux[] = {"peri_psi_ref_clk", "boot_clk"}; +static const char * const mpu_mux[] = { "mpu_free_clk", "boot_clk",}; + +static const char * const s2f_usr0_mux[] = {"f2s_free_clk", "boot_clk"}; +static const char * const emac_mux[] = {"emaca_free_clk", "emacb_free_clk"}; +static const char * const noc_mux[] = {"noc_free_clk", "boot_clk"}; + +/* clocks in AO (always on) controller */ +static const struct stratix10_pll_clock s10_pll_clks[] = { + { STRATIX10_BOOT_CLK, "boot_clk", boot_mux, ARRAY_SIZE(boot_mux), 0, + 0x0}, + { STRATIX10_MAIN_PLL_CLK, "main_pll", pll_mux, ARRAY_SIZE(pll_mux), + 0, 0x74}, + { STRATIX10_PERIPH_PLL_CLK, "periph_pll", pll_mux, ARRAY_SIZE(pll_mux), + 0, 0xe4}, +}; + +static const struct stratix10_perip_c_clock s10_main_perip_c_clks[] = { + { STRATIX10_MAIN_MPU_BASE_CLK, "main_mpu_base_clk", "main_pll", NULL, 1, 0, 0x84}, + { STRATIX10_MAIN_NOC_BASE_CLK, "main_noc_base_clk", "main_pll", NULL, 1, 0, 0x88}, + { STRATIX10_PERI_MPU_BASE_CLK, "peri_mpu_base_clk", "periph_pll", NULL, 1, 0, + 0xF4}, + { STRATIX10_PERI_NOC_BASE_CLK, "peri_noc_base_clk", "periph_pll", NULL, 1, 0, + 0xF8}, +}; + +static const struct stratix10_perip_cnt_clock s10_main_perip_cnt_clks[] = { + { STRATIX10_MPU_FREE_CLK, "mpu_free_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0x48, 0, 0, 0}, + { STRATIX10_NOC_FREE_CLK, "noc_free_clk", NULL, noc_free_mux, ARRAY_SIZE(noc_free_mux), + 0, 0x4C, 0, 0, 0}, + { STRATIX10_MAIN_EMACA_CLK, "main_emaca_clk", "main_noc_base_clk", NULL, 1, 0, + 0x50, 0, 0, 0}, + { STRATIX10_MAIN_EMACB_CLK, "main_emacb_clk", "main_noc_base_clk", NULL, 1, 0, + 0x54, 0, 0, 0}, + { STRATIX10_MAIN_EMAC_PTP_CLK, "main_emac_ptp_clk", "main_noc_base_clk", NULL, 1, 0, + 0x58, 0, 0, 0}, + { STRATIX10_MAIN_GPIO_DB_CLK, "main_gpio_db_clk", "main_noc_base_clk", NULL, 1, 0, + 0x5C, 0, 0, 0}, + { STRATIX10_MAIN_SDMMC_CLK, "main_sdmmc_clk", "main_noc_base_clk", NULL, 1, 0, + 0x60, 0, 0, 0}, + { STRATIX10_MAIN_S2F_USR0_CLK, "main_s2f_usr0_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0x64, 0, 0, 0}, + { STRATIX10_MAIN_S2F_USR1_CLK, "main_s2f_usr1_clk", "main_noc_base_clk", NULL, 1, 0, + 0x68, 0, 0, 0}, + { STRATIX10_MAIN_PSI_REF_CLK, "main_psi_ref_clk", "main_noc_base_clk", NULL, 1, 0, + 0x6C, 0, 0, 0}, + { STRATIX10_PERI_EMACA_CLK, "peri_emaca_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xBC, 0, 0, 0}, + { STRATIX10_PERI_EMACB_CLK, "peri_emacb_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xC0, 0, 0, 0}, + { STRATIX10_PERI_EMAC_PTP_CLK, "peri_emac_ptp_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xC4, 0, 0, 0}, + { STRATIX10_PERI_GPIO_DB_CLK, "peri_gpio_db_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xC8, 0, 0, 0}, + { STRATIX10_PERI_SDMMC_CLK, "peri_sdmmc_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xCC, 0, 0, 0}, + { STRATIX10_PERI_S2F_USR0_CLK, "peri_s2f_usr0_clk", "peri_noc_base_clk", NULL, 1, 0, + 0xD0, 0, 0, 0}, + { STRATIX10_PERI_S2F_USR1_CLK, "peri_s2f_usr1_clk", NULL, cntr_mux, ARRAY_SIZE(cntr_mux), + 0, 0xD4, 0, 0, 0}, + { STRATIX10_PERI_PSI_REF_CLK, "peri_psi_ref_clk", "peri_noc_base_clk", NULL, 1, 0, + 0xD8, 0, 0, 0}, + { STRATIX10_L4_SYS_FREE_CLK, "l4_sys_free_clk", "noc_free_clk", NULL, 1, 0, + 0, 4, 0, 0}, + { STRATIX10_NOC_CLK, "noc_clk", NULL, noc_mux, ARRAY_SIZE(noc_mux), + 0, 0, 0, 0x3C, 1}, + { STRATIX10_EMAC_A_FREE_CLK, "emaca_free_clk", NULL, emaca_free_mux, ARRAY_SIZE(emaca_free_mux), + 0, 0, 4, 0xB0, 0}, + { STRATIX10_EMAC_B_FREE_CLK, "emacb_free_clk", NULL, emacb_free_mux, ARRAY_SIZE(emacb_free_mux), + 0, 0, 4, 0xB0, 1}, + { STRATIX10_EMAC_PTP_FREE_CLK, "emac_ptp_free_clk", NULL, emac_ptp_free_mux, + ARRAY_SIZE(emac_ptp_free_mux), 0, 0, 4, 0xB0, 2}, + { STRATIX10_GPIO_DB_FREE_CLK, "gpio_db_free_clk", NULL, gpio_db_free_mux, + ARRAY_SIZE(gpio_db_free_mux), 0, 0, 0, 0xB0, 3}, + { STRATIX10_SDMMC_FREE_CLK, "sdmmc_free_clk", NULL, sdmmc_free_mux, + ARRAY_SIZE(sdmmc_free_mux), 0, 0, 0, 0xB0, 4}, + { STRATIX10_S2F_USER1_FREE_CLK, "s2f_user1_free_clk", NULL, s2f_usr1_free_mux, + ARRAY_SIZE(s2f_usr1_free_mux), 0, 0, 0, 0xB0, 5}, + { STRATIX10_PSI_REF_FREE_CLK, "psi_ref_free_clk", NULL, psi_ref_free_mux, + ARRAY_SIZE(psi_ref_free_mux), 0, 0, 0, 0xB0, 6}, +}; + +static const struct stratix10_gate_clock s10_gate_clks[] = { + { STRATIX10_MPU_CLK, "mpu_clk", NULL, mpu_mux, ARRAY_SIZE(mpu_mux), 0, 0x30, + 0, 0, 0, 0, 0x3C, 0, 0}, + { STRATIX10_MPU_PERIPH_CLK, "mpu_periph_clk", "mpu_clk", NULL, 1, 0, 0x30, + 0, 0, 0, 0, 0, 0, 4}, + { STRATIX10_MPU_L2RAM_CLK, "mpu_l2ram_clk", "mpu_clk", NULL, 1, 0, 0x30, + 0, 0, 0, 0, 0, 0, 2}, + { STRATIX10_L4_MAIN_CLK, "l4_main_clk", "noc_clk", NULL, 1, 0, 0x30, + 1, 0x70, 0, 2, 0, 0, 0}, + { STRATIX10_L4_MP_CLK, "l4_mp_clk", "noc_clk", NULL, 1, 0, 0x30, + 2, 0x70, 8, 2, 0, 0, 0}, + { STRATIX10_L4_SP_CLK, "l4_sp_clk", "noc_clk", NULL, 1, CLK_IS_CRITICAL, 0x30, + 3, 0x70, 16, 2, 0, 0, 0}, + { STRATIX10_CS_AT_CLK, "cs_at_clk", "noc_clk", NULL, 1, 0, 0x30, + 4, 0x70, 24, 2, 0, 0, 0}, + { STRATIX10_CS_TRACE_CLK, "cs_trace_clk", "noc_clk", NULL, 1, 0, 0x30, + 4, 0x70, 26, 2, 0, 0, 0}, + { STRATIX10_CS_PDBG_CLK, "cs_pdbg_clk", "cs_at_clk", NULL, 1, 0, 0x30, + 4, 0x70, 28, 1, 0, 0, 0}, + { STRATIX10_CS_TIMER_CLK, "cs_timer_clk", "noc_clk", NULL, 1, 0, 0x30, + 5, 0, 0, 0, 0, 0, 0}, + { STRATIX10_S2F_USER0_CLK, "s2f_user0_clk", NULL, s2f_usr0_mux, ARRAY_SIZE(s2f_usr0_mux), 0, 0x30, + 6, 0, 0, 0, 0, 0, 0}, + { STRATIX10_EMAC0_CLK, "emac0_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4, + 0, 0, 0, 0, 0xDC, 26, 0}, + { STRATIX10_EMAC1_CLK, "emac1_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4, + 1, 0, 0, 0, 0xDC, 27, 0}, + { STRATIX10_EMAC2_CLK, "emac2_clk", NULL, emac_mux, ARRAY_SIZE(emac_mux), 0, 0xA4, + 2, 0, 0, 0, 0xDC, 28, 0}, + { STRATIX10_EMAC_PTP_CLK, "emac_ptp_clk", "emac_ptp_free_clk", NULL, 1, 0, 0xA4, + 3, 0, 0, 0, 0, 0, 0}, + { STRATIX10_GPIO_DB_CLK, "gpio_db_clk", "gpio_db_free_clk", NULL, 1, 0, 0xA4, + 4, 0xE0, 0, 16, 0, 0, 0}, + { STRATIX10_SDMMC_CLK, "sdmmc_clk", "sdmmc_free_clk", NULL, 1, 0, 0xA4, + 5, 0, 0, 0, 0, 0, 4}, + { STRATIX10_S2F_USER1_CLK, "s2f_user1_clk", "s2f_user1_free_clk", NULL, 1, 0, 0xA4, + 6, 0, 0, 0, 0, 0, 0}, + { STRATIX10_PSI_REF_CLK, "psi_ref_clk", "psi_ref_free_clk", NULL, 1, 0, 0xA4, + 7, 0, 0, 0, 0, 0, 0}, + { STRATIX10_USB_CLK, "usb_clk", "l4_mp_clk", NULL, 1, 0, 0xA4, + 8, 0, 0, 0, 0, 0, 0}, + { STRATIX10_SPI_M_CLK, "spi_m_clk", "l4_mp_clk", NULL, 1, 0, 0xA4, + 9, 0, 0, 0, 0, 0, 0}, + { STRATIX10_NAND_CLK, "nand_clk", "l4_main_clk", NULL, 1, 0, 0xA4, + 10, 0, 0, 0, 0, 0, 0}, +}; + +static int s10_clk_register_c_perip(const struct stratix10_perip_c_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_periph(clks[i].name, clks[i].parent_name, + clks[i].parent_names, clks[i].num_parents, + clks[i].flags, base, clks[i].offset); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + return 0; +} + +static int s10_clk_register_cnt_perip(const struct stratix10_perip_cnt_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_cnt_periph(clks[i].name, clks[i].parent_name, + clks[i].parent_names, + clks[i].num_parents, + clks[i].flags, base, + clks[i].offset, + clks[i].fixed_divider, + clks[i].bypass_reg, + clks[i].bypass_shift); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static int s10_clk_register_gate(const struct stratix10_gate_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_gate(clks[i].name, clks[i].parent_name, + clks[i].parent_names, + clks[i].num_parents, + clks[i].flags, base, + clks[i].gate_reg, + clks[i].gate_idx, clks[i].div_reg, + clks[i].div_offset, clks[i].div_width, + clks[i].bypass_reg, + clks[i].bypass_shift, + clks[i].fixed_div); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static int s10_clk_register_pll(const struct stratix10_pll_clock *clks, + int nums, struct stratix10_clock_data *data) +{ + struct clk *clk; + void __iomem *base = data->base; + int i; + + for (i = 0; i < nums; i++) { + clk = s10_register_pll(clks[i].name, clks[i].parent_names, + clks[i].num_parents, + clks[i].flags, base, + clks[i].offset); + if (IS_ERR(clk)) { + pr_err("%s: failed to register clock %s\n", + __func__, clks[i].name); + continue; + } + data->clk_data.clks[clks[i].id] = clk; + } + + return 0; +} + +static struct stratix10_clock_data *__socfpga_s10_clk_init(struct device_node *np, + int nr_clks) +{ + struct stratix10_clock_data *clk_data; + struct clk **clk_table; + void __iomem *base; + + base = of_iomap(np, 0); + if (!base) { + pr_err("%s: failed to map clock registers\n", __func__); + goto err; + } + + clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); + if (!clk_data) + goto err; + + clk_data->base = base; + clk_table = kcalloc(nr_clks, sizeof(*clk_table), GFP_KERNEL); + if (!clk_table) + goto err_data; + + clk_data->clk_data.clks = clk_table; + clk_data->clk_data.clk_num = nr_clks; + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data->clk_data); + return clk_data; + +err_data: + kfree(clk_data); +err: + return NULL; +} + +static int s10_clkmgr_init(struct device_node *np) +{ + struct stratix10_clock_data *clk_data; + + clk_data = __socfpga_s10_clk_init(np, STRATIX10_NUM_CLKS); + if (!clk_data) + return -ENOMEM; + + s10_clk_register_pll(s10_pll_clks, ARRAY_SIZE(s10_pll_clks), clk_data); + + s10_clk_register_c_perip(s10_main_perip_c_clks, + ARRAY_SIZE(s10_main_perip_c_clks), clk_data); + + s10_clk_register_cnt_perip(s10_main_perip_cnt_clks, + ARRAY_SIZE(s10_main_perip_cnt_clks), + clk_data); + + s10_clk_register_gate(s10_gate_clks, ARRAY_SIZE(s10_gate_clks), + clk_data); + return 0; +} + +static int s10_clkmgr_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + + s10_clkmgr_init(np); + + return 0; +} + +static const struct of_device_id stratix10_clkmgr_match_table[] = { + { .compatible = "intel,stratix10-clkmgr", + .data = s10_clkmgr_init }, + { } +}; + +static struct platform_driver stratix10_clkmgr_driver = { + .probe = s10_clkmgr_probe, + .driver = { + .name = "stratix10-clkmgr", + .of_match_table = stratix10_clkmgr_match_table, + }, +}; + +static int __init s10_clk_init(void) +{ + return platform_driver_register(&stratix10_clkmgr_driver); +} +core_initcall(s10_clk_init); diff --git a/drivers/clk/socfpga/clk.h b/drivers/clk/socfpga/clk.h index 9cf1230115b1..26c3a265cf78 100644 --- a/drivers/clk/socfpga/clk.h +++ b/drivers/clk/socfpga/clk.h @@ -54,9 +54,11 @@ struct socfpga_gate_clk { char *parent_name; u32 fixed_div; void __iomem *div_reg; + void __iomem *bypass_reg; struct regmap *sys_mgr_base_addr; u32 width; /* only valid if div_reg != 0 */ u32 shift; /* only valid if div_reg != 0 */ + u32 bypass_shift; /* only valid if bypass_reg != 0 */ u32 clk_phase[2]; }; @@ -65,8 +67,10 @@ struct socfpga_periph_clk { char *parent_name; u32 fixed_div; void __iomem *div_reg; + void __iomem *bypass_reg; u32 width; /* only valid if div_reg != 0 */ u32 shift; /* only valid if div_reg != 0 */ + u32 bypass_shift; /* only valid if bypass_reg != 0 */ }; #endif /* SOCFPGA_CLK_H */ diff --git a/drivers/clk/socfpga/stratix10-clk.h b/drivers/clk/socfpga/stratix10-clk.h new file mode 100644 index 000000000000..e8e121907952 --- /dev/null +++ b/drivers/clk/socfpga/stratix10-clk.h @@ -0,0 +1,80 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2017, Intel Corporation + */ + +#ifndef __STRATIX10_CLK_H +#define __STRATIX10_CLK_H + +struct stratix10_clock_data { + struct clk_onecell_data clk_data; + void __iomem *base; +}; + +struct stratix10_pll_clock { + unsigned int id; + const char *name; + const char *const *parent_names; + u8 num_parents; + unsigned long flags; + unsigned long offset; +}; + +struct stratix10_perip_c_clock { + unsigned int id; + const char *name; + const char *parent_name; + const char *const *parent_names; + u8 num_parents; + unsigned long flags; + unsigned long offset; +}; + +struct stratix10_perip_cnt_clock { + unsigned int id; + const char *name; + const char *parent_name; + const char *const *parent_names; + u8 num_parents; + unsigned long flags; + unsigned long offset; + u8 fixed_divider; + unsigned long bypass_reg; + unsigned long bypass_shift; +}; + +struct stratix10_gate_clock { + unsigned int id; + const char *name; + const char *parent_name; + const char *const *parent_names; + u8 num_parents; + unsigned long flags; + unsigned long gate_reg; + u8 gate_idx; + unsigned long div_reg; + u8 div_offset; + u8 div_width; + unsigned long bypass_reg; + u8 bypass_shift; + u8 fixed_div; +}; + +struct clk *s10_register_pll(const char *, const char *const *, u8, + unsigned long, void __iomem *, unsigned long); + +struct clk *s10_register_periph(const char *, const char *, + const char * const *, u8, unsigned long, + void __iomem *, unsigned long); +struct clk *s10_register_cnt_periph(const char *, const char *, + const char * const *, u8, + unsigned long, void __iomem *, + unsigned long, u8, unsigned long, + unsigned long); +struct clk *s10_register_gate(const char *, const char *, + const char * const *, u8, + unsigned long, void __iomem *, + unsigned long, unsigned long, + unsigned long, unsigned long, u8, + unsigned long, u8, u8); +#endif /* __STRATIX10_CLK_H */ diff --git a/drivers/clk/sprd/sc9860-clk.c b/drivers/clk/sprd/sc9860-clk.c index ed5c027df0f4..9980ab55271b 100644 --- a/drivers/clk/sprd/sc9860-clk.c +++ b/drivers/clk/sprd/sc9860-clk.c @@ -959,6 +959,44 @@ static SPRD_SC_GATE_CLK(sdio2_2x_en, "sdio2-2x-en", "aon-apb", 0x13c, 0x1000, BIT(6), 0, 0); static SPRD_SC_GATE_CLK(emmc_2x_en, "emmc-2x-en", "aon-apb", 0x13c, 0x1000, BIT(9), 0, 0); +static SPRD_SC_GATE_CLK(arch_rtc_eb, "arch-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(kpb_rtc_eb, "kpb-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(1), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(aon_syst_rtc_eb, "aon-syst-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(2), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(ap_syst_rtc_eb, "ap-syst-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(3), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(aon_tmr_rtc_eb, "aon-tmr-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(4), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(ap_tmr0_rtc_eb, "ap-tmr0-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(5), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(eic_rtc_eb, "eic-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(6), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(eic_rtcdv5_eb, "eic-rtcdv5-eb", "aon-apb", 0x10, + 0x1000, BIT(7), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(ap_wdg_rtc_eb, "ap-wdg-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(9), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(ap_tmr1_rtc_eb, "ap-tmr1-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(15), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(ap_tmr2_rtc_eb, "ap-tmr2-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(16), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(dcxo_tmr_rtc_eb, "dcxo-tmr-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(17), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(bb_cal_rtc_eb, "bb-cal-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(18), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(avs_big_rtc_eb, "avs-big-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(20), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(avs_lit_rtc_eb, "avs-lit-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(21), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(avs_gpu0_rtc_eb, "avs-gpu0-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(22), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(avs_gpu1_rtc_eb, "avs-gpu1-rtc-eb", "aon-apb", 0x10, + 0x1000, BIT(23), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(gpu_ts_eb, "gpu-ts-eb", "aon-apb", 0x10, + 0x1000, BIT(24), CLK_IGNORE_UNUSED, 0); +static SPRD_SC_GATE_CLK(rtcdv10_eb, "rtcdv10-eb", "aon-apb", 0x10, + 0x1000, BIT(27), CLK_IGNORE_UNUSED, 0); static struct sprd_clk_common *sc9860_aon_gate[] = { /* address base is 0x402e0000 */ @@ -1030,6 +1068,25 @@ static struct sprd_clk_common *sc9860_aon_gate[] = { &sdio1_2x_en.common, &sdio2_2x_en.common, &emmc_2x_en.common, + &arch_rtc_eb.common, + &kpb_rtc_eb.common, + &aon_syst_rtc_eb.common, + &ap_syst_rtc_eb.common, + &aon_tmr_rtc_eb.common, + &ap_tmr0_rtc_eb.common, + &eic_rtc_eb.common, + &eic_rtcdv5_eb.common, + &ap_wdg_rtc_eb.common, + &ap_tmr1_rtc_eb.common, + &ap_tmr2_rtc_eb.common, + &dcxo_tmr_rtc_eb.common, + &bb_cal_rtc_eb.common, + &avs_big_rtc_eb.common, + &avs_lit_rtc_eb.common, + &avs_gpu0_rtc_eb.common, + &avs_gpu1_rtc_eb.common, + &gpu_ts_eb.common, + &rtcdv10_eb.common, }; static struct clk_hw_onecell_data sc9860_aon_gate_hws = { @@ -1102,6 +1159,25 @@ static struct clk_hw_onecell_data sc9860_aon_gate_hws = { [CLK_SDIO1_2X_EN] = &sdio1_2x_en.common.hw, [CLK_SDIO2_2X_EN] = &sdio2_2x_en.common.hw, [CLK_EMMC_2X_EN] = &emmc_2x_en.common.hw, + [CLK_ARCH_RTC_EB] = &arch_rtc_eb.common.hw, + [CLK_KPB_RTC_EB] = &kpb_rtc_eb.common.hw, + [CLK_AON_SYST_RTC_EB] = &aon_syst_rtc_eb.common.hw, + [CLK_AP_SYST_RTC_EB] = &ap_syst_rtc_eb.common.hw, + [CLK_AON_TMR_RTC_EB] = &aon_tmr_rtc_eb.common.hw, + [CLK_AP_TMR0_RTC_EB] = &ap_tmr0_rtc_eb.common.hw, + [CLK_EIC_RTC_EB] = &eic_rtc_eb.common.hw, + [CLK_EIC_RTCDV5_EB] = &eic_rtcdv5_eb.common.hw, + [CLK_AP_WDG_RTC_EB] = &ap_wdg_rtc_eb.common.hw, + [CLK_AP_TMR1_RTC_EB] = &ap_tmr1_rtc_eb.common.hw, + [CLK_AP_TMR2_RTC_EB] = &ap_tmr2_rtc_eb.common.hw, + [CLK_DCXO_TMR_RTC_EB] = &dcxo_tmr_rtc_eb.common.hw, + [CLK_BB_CAL_RTC_EB] = &bb_cal_rtc_eb.common.hw, + [CLK_AVS_BIG_RTC_EB] = &avs_big_rtc_eb.common.hw, + [CLK_AVS_LIT_RTC_EB] = &avs_lit_rtc_eb.common.hw, + [CLK_AVS_GPU0_RTC_EB] = &avs_gpu0_rtc_eb.common.hw, + [CLK_AVS_GPU1_RTC_EB] = &avs_gpu1_rtc_eb.common.hw, + [CLK_GPU_TS_EB] = &gpu_ts_eb.common.hw, + [CLK_RTCDV10_EB] = &rtcdv10_eb.common.hw, }, .num = CLK_AON_GATE_NUM, }; diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index 6427d0ebe2de..79dfd296c3d1 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -11,15 +11,13 @@ config SUN50I_A64_CCU default ARM64 && ARCH_SUNXI depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST +config SUN50I_H6_CCU + bool "Support for the Allwinner H6 CCU" + default ARM64 && ARCH_SUNXI + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST + config SUN4I_A10_CCU bool "Support for the Allwinner A10/A20 CCU" - select SUNXI_CCU_DIV - select SUNXI_CCU_MULT - select SUNXI_CCU_NK - select SUNXI_CCU_NKM - select SUNXI_CCU_NM - select SUNXI_CCU_MP - select SUNXI_CCU_PHASE default MACH_SUN4I default MACH_SUN7I depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile index 4141c3fe08ae..128a40ee5c5e 100644 --- a/drivers/clk/sunxi-ng/Makefile +++ b/drivers/clk/sunxi-ng/Makefile @@ -22,6 +22,7 @@ lib-$(CONFIG_SUNXI_CCU) += ccu_mp.o # SoC support obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o +obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c new file mode 100644 index 000000000000..bdbfe78fe133 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c @@ -0,0 +1,1211 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2017 Icenowy Zheng <icenowy@aosc.io> + */ + +#include <linux/clk-provider.h> +#include <linux/of_address.h> +#include <linux/platform_device.h> + +#include "ccu_common.h" +#include "ccu_reset.h" + +#include "ccu_div.h" +#include "ccu_gate.h" +#include "ccu_mp.h" +#include "ccu_mult.h" +#include "ccu_nk.h" +#include "ccu_nkm.h" +#include "ccu_nkmp.h" +#include "ccu_nm.h" + +#include "ccu-sun50i-h6.h" + +/* + * The CPU PLL is actually NP clock, with P being /1, /2 or /4. However + * P should only be used for output frequencies lower than 288 MHz. + * + * For now we can just model it as a multiplier clock, and force P to /1. + * + * The M factor is present in the register's description, but not in the + * frequency formula, and it's documented as "M is only used for backdoor + * testing", so it's not modelled and then force to 0. + */ +#define SUN50I_H6_PLL_CPUX_REG 0x000 +static struct ccu_mult pll_cpux_clk = { + .enable = BIT(31), + .lock = BIT(28), + .mult = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .common = { + .reg = 0x000, + .hw.init = CLK_HW_INIT("pll-cpux", "osc24M", + &ccu_mult_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +/* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */ +#define SUN50I_H6_PLL_DDR0_REG 0x010 +static struct ccu_nkmp pll_ddr0_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .common = { + .reg = 0x010, + .hw.init = CLK_HW_INIT("pll-ddr0", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_PERIPH0_REG 0x020 +static struct ccu_nkmp pll_periph0_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .fixed_post_div = 4, + .common = { + .reg = 0x020, + .features = CCU_FEATURE_FIXED_POSTDIV, + .hw.init = CLK_HW_INIT("pll-periph0", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_PERIPH1_REG 0x028 +static struct ccu_nkmp pll_periph1_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .fixed_post_div = 4, + .common = { + .reg = 0x028, + .features = CCU_FEATURE_FIXED_POSTDIV, + .hw.init = CLK_HW_INIT("pll-periph1", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_GPU_REG 0x030 +static struct ccu_nkmp pll_gpu_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .common = { + .reg = 0x030, + .hw.init = CLK_HW_INIT("pll-gpu", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +/* + * For Video PLLs, the output divider is described as "used for testing" + * in the user manual. So it's not modelled and forced to 0. + */ +#define SUN50I_H6_PLL_VIDEO0_REG 0x040 +static struct ccu_nm pll_video0_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .fixed_post_div = 4, + .common = { + .reg = 0x040, + .features = CCU_FEATURE_FIXED_POSTDIV, + .hw.init = CLK_HW_INIT("pll-video0", "osc24M", + &ccu_nm_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_VIDEO1_REG 0x048 +static struct ccu_nm pll_video1_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .fixed_post_div = 4, + .common = { + .reg = 0x048, + .features = CCU_FEATURE_FIXED_POSTDIV, + .hw.init = CLK_HW_INIT("pll-video1", "osc24M", + &ccu_nm_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_VE_REG 0x058 +static struct ccu_nkmp pll_ve_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .common = { + .reg = 0x058, + .hw.init = CLK_HW_INIT("pll-ve", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_DE_REG 0x060 +static struct ccu_nkmp pll_de_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .common = { + .reg = 0x060, + .hw.init = CLK_HW_INIT("pll-de", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +#define SUN50I_H6_PLL_HSIC_REG 0x070 +static struct ccu_nkmp pll_hsic_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .p = _SUNXI_CCU_DIV(0, 1), /* output divider */ + .common = { + .reg = 0x070, + .hw.init = CLK_HW_INIT("pll-hsic", "osc24M", + &ccu_nkmp_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +/* + * The Audio PLL is supposed to have 3 outputs: 2 fixed factors from + * the base (2x and 4x), and one variable divider (the one true pll audio). + * + * We don't have any need for the variable divider for now, so we just + * hardcode it to match with the clock names. + */ +#define SUN50I_H6_PLL_AUDIO_REG 0x078 +static struct ccu_nm pll_audio_base_clk = { + .enable = BIT(31), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .common = { + .reg = 0x078, + .hw.init = CLK_HW_INIT("pll-audio-base", "osc24M", + &ccu_nm_ops, + CLK_SET_RATE_UNGATE), + }, +}; + +static const char * const cpux_parents[] = { "osc24M", "osc32k", + "iosc", "pll-cpux" }; +static SUNXI_CCU_MUX(cpux_clk, "cpux", cpux_parents, + 0x500, 24, 2, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL); +static SUNXI_CCU_M(axi_clk, "axi", "cpux", 0x500, 0, 2, 0); +static SUNXI_CCU_M(cpux_apb_clk, "cpux-apb", "cpux", 0x500, 8, 2, 0); + +static const char * const psi_ahb1_ahb2_parents[] = { "osc24M", "osc32k", + "iosc", "pll-periph0" }; +static SUNXI_CCU_MP_WITH_MUX(psi_ahb1_ahb2_clk, "psi-ahb1-ahb2", + psi_ahb1_ahb2_parents, + 0x510, + 0, 5, /* M */ + 16, 2, /* P */ + 24, 2, /* mux */ + 0); + +static const char * const ahb3_apb1_apb2_parents[] = { "osc24M", "osc32k", + "psi-ahb1-ahb2", + "pll-periph0" }; +static SUNXI_CCU_MP_WITH_MUX(ahb3_clk, "ahb3", ahb3_apb1_apb2_parents, 0x51c, + 0, 5, /* M */ + 16, 2, /* P */ + 24, 2, /* mux */ + 0); + +static SUNXI_CCU_MP_WITH_MUX(apb1_clk, "apb1", ahb3_apb1_apb2_parents, 0x520, + 0, 5, /* M */ + 16, 2, /* P */ + 24, 2, /* mux */ + 0); + +static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", ahb3_apb1_apb2_parents, 0x524, + 0, 5, /* M */ + 16, 2, /* P */ + 24, 2, /* mux */ + 0); + +static const char * const mbus_parents[] = { "osc24M", "pll-periph0-2x", + "pll-ddr0", "pll-periph0-4x" }; +static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents, 0x540, + 0, 3, /* M */ + 24, 2, /* mux */ + BIT(31), /* gate */ + CLK_IS_CRITICAL); + +static const char * const de_parents[] = { "pll-de", "pll-periph0-2x" }; +static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, 0x600, + 0, 4, /* M */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "psi-ahb1-ahb2", + 0x60c, BIT(0), 0); + +static const char * const deinterlace_parents[] = { "pll-periph0", + "pll-periph1" }; +static SUNXI_CCU_M_WITH_MUX_GATE(deinterlace_clk, "deinterlace", + deinterlace_parents, + 0x620, + 0, 4, /* M */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_deinterlace_clk, "bus-deinterlace", "psi-ahb1-ahb2", + 0x62c, BIT(0), 0); + +static const char * const gpu_parents[] = { "pll-gpu" }; +static SUNXI_CCU_M_WITH_MUX_GATE(gpu_clk, "gpu", gpu_parents, 0x670, + 0, 3, /* M */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "psi-ahb1-ahb2", + 0x67c, BIT(0), 0); + +/* Also applies to EMCE */ +static const char * const ce_parents[] = { "osc24M", "pll-periph0-2x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ce_clk, "ce", ce_parents, 0x680, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 1, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ce_clk, "bus-ce", "psi-ahb1-ahb2", + 0x68c, BIT(0), 0); + +static const char * const ve_parents[] = { "pll-ve" }; +static SUNXI_CCU_M_WITH_MUX_GATE(ve_clk, "ve", ve_parents, 0x690, + 0, 3, /* M */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "psi-ahb1-ahb2", + 0x69c, BIT(0), 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(emce_clk, "emce", ce_parents, 0x6b0, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 1, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_emce_clk, "bus-emce", "psi-ahb1-ahb2", + 0x6bc, BIT(0), 0); + +static const char * const vp9_parents[] = { "pll-ve", "pll-periph0-2x" }; +static SUNXI_CCU_M_WITH_MUX_GATE(vp9_clk, "vp9", vp9_parents, 0x6c0, + 0, 3, /* M */ + 24, 1, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_vp9_clk, "bus-vp9", "psi-ahb1-ahb2", + 0x6cc, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "psi-ahb1-ahb2", + 0x70c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "psi-ahb1-ahb2", + 0x71c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "psi-ahb1-ahb2", + 0x72c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "psi-ahb1-ahb2", + 0x73c, BIT(0), 0); + +static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x740, BIT(31), 0); + +static SUNXI_CCU_GATE(bus_dbg_clk, "bus-dbg", "psi-ahb1-ahb2", + 0x78c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_psi_clk, "bus-psi", "psi-ahb1-ahb2", + 0x79c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_pwm_clk, "bus-pwm", "apb1", 0x79c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_iommu_clk, "bus-iommu", "apb1", 0x7bc, BIT(0), 0); + +static const char * const dram_parents[] = { "pll-ddr0" }; +static struct ccu_div dram_clk = { + .div = _SUNXI_CCU_DIV(0, 2), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0x800, + .hw.init = CLK_HW_INIT_PARENTS("dram", + dram_parents, + &ccu_div_ops, + CLK_IS_CRITICAL), + }, +}; + +static SUNXI_CCU_GATE(mbus_dma_clk, "mbus-dma", "mbus", + 0x804, BIT(0), 0); +static SUNXI_CCU_GATE(mbus_ve_clk, "mbus-ve", "mbus", + 0x804, BIT(1), 0); +static SUNXI_CCU_GATE(mbus_ce_clk, "mbus-ce", "mbus", + 0x804, BIT(2), 0); +static SUNXI_CCU_GATE(mbus_ts_clk, "mbus-ts", "mbus", + 0x804, BIT(3), 0); +static SUNXI_CCU_GATE(mbus_nand_clk, "mbus-nand", "mbus", + 0x804, BIT(5), 0); +static SUNXI_CCU_GATE(mbus_csi_clk, "mbus-csi", "mbus", + 0x804, BIT(8), 0); +static SUNXI_CCU_GATE(mbus_deinterlace_clk, "mbus-deinterlace", "mbus", + 0x804, BIT(11), 0); + +static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "psi-ahb1-ahb2", + 0x80c, BIT(0), CLK_IS_CRITICAL); + +static const char * const nand_spi_parents[] = { "osc24M", "pll-periph0", + "pll-periph1", "pll-periph0-2x", + "pll-periph1-2x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(nand0_clk, "nand0", nand_spi_parents, 0x810, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(nand1_clk, "nand1", nand_spi_parents, 0x814, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb3", 0x82c, BIT(0), 0); + +static const char * const mmc_parents[] = { "osc24M", "pll-periph0-2x", + "pll-periph1-2x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mmc_parents, 0x830, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mmc_parents, 0x834, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(mmc2_clk, "mmc2", mmc_parents, 0x838, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb3", 0x84c, BIT(2), 0); + +static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2", 0x90c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2", 0x90c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2", 0x90c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2", 0x90c, BIT(3), 0); + +static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2", 0x91c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2", 0x91c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2", 0x91c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_i2c3_clk, "bus-i2c3", "apb2", 0x91c, BIT(3), 0); + +static SUNXI_CCU_GATE(bus_scr0_clk, "bus-scr0", "apb2", 0x93c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_scr1_clk, "bus-scr1", "apb2", 0x93c, BIT(1), 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", nand_spi_parents, 0x940, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", nand_spi_parents, 0x944, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 3, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb3", 0x96c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb3", 0x96c, BIT(1), 0); + +static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb3", 0x97c, BIT(0), 0); + +static const char * const ts_parents[] = { "osc24M", "pll-periph0" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x9b0, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 1, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb3", 0x9bc, BIT(0), 0); + +static const char * const ir_tx_parents[] = { "osc32k", "osc24M" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(ir_tx_clk, "ir-tx", ir_tx_parents, 0x9c0, + 0, 4, /* M */ + 8, 2, /* N */ + 24, 1, /* mux */ + BIT(31),/* gate */ + 0); + +static SUNXI_CCU_GATE(bus_ir_tx_clk, "bus-ir-tx", "apb1", 0x9cc, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0); + +static const char * const audio_parents[] = { "pll-audio", "pll-audio-2x", "pll-audio-4x" }; +static struct ccu_div i2s3_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa0c, + .hw.init = CLK_HW_INIT_PARENTS("i2s3", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static struct ccu_div i2s0_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa10, + .hw.init = CLK_HW_INIT_PARENTS("i2s0", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static struct ccu_div i2s1_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa14, + .hw.init = CLK_HW_INIT_PARENTS("i2s1", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static struct ccu_div i2s2_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa18, + .hw.init = CLK_HW_INIT_PARENTS("i2s2", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1", 0xa1c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1", 0xa1c, BIT(1), 0); +static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1", 0xa1c, BIT(2), 0); +static SUNXI_CCU_GATE(bus_i2s3_clk, "bus-i2s3", "apb1", 0xa1c, BIT(3), 0); + +static struct ccu_div spdif_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa20, + .hw.init = CLK_HW_INIT_PARENTS("spdif", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1", 0xa2c, BIT(0), 0); + +static struct ccu_div dmic_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa40, + .hw.init = CLK_HW_INIT_PARENTS("dmic", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static SUNXI_CCU_GATE(bus_dmic_clk, "bus-dmic", "apb1", 0xa4c, BIT(0), 0); + +static struct ccu_div audio_hub_clk = { + .enable = BIT(31), + .div = _SUNXI_CCU_DIV_FLAGS(8, 2, CLK_DIVIDER_POWER_OF_TWO), + .mux = _SUNXI_CCU_MUX(24, 2), + .common = { + .reg = 0xa60, + .hw.init = CLK_HW_INIT_PARENTS("audio-hub", + audio_parents, + &ccu_div_ops, + 0), + }, +}; + +static SUNXI_CCU_GATE(bus_audio_hub_clk, "bus-audio-hub", "apb1", 0xa6c, BIT(0), 0); + +/* + * There are OHCI 12M clock source selection bits for 2 USB 2.0 ports. + * We will force them to 0 (12M divided from 48M). + */ +#define SUN50I_H6_USB0_CLK_REG 0xa70 +#define SUN50I_H6_USB3_CLK_REG 0xa7c + +static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc12M", 0xa70, BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M", 0xa70, BIT(29), 0); + +static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M", 0xa74, BIT(29), 0); + +static SUNXI_CCU_GATE(usb_ohci3_clk, "usb-ohci3", "osc12M", 0xa7c, BIT(31), 0); +static SUNXI_CCU_GATE(usb_phy3_clk, "usb-phy3", "osc12M", 0xa7c, BIT(29), 0); +static SUNXI_CCU_GATE(usb_hsic_12m_clk, "usb-hsic-12M", "osc12M", 0xa7c, BIT(27), 0); +static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic", 0xa7c, BIT(26), 0); + +static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb3", 0xa8c, BIT(0), 0); +static SUNXI_CCU_GATE(bus_ohci3_clk, "bus-ohci3", "ahb3", 0xa8c, BIT(3), 0); +static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb3", 0xa8c, BIT(4), 0); +static SUNXI_CCU_GATE(bus_xhci_clk, "bus-xhci", "ahb3", 0xa8c, BIT(5), 0); +static SUNXI_CCU_GATE(bus_ehci3_clk, "bus-ehci3", "ahb3", 0xa8c, BIT(7), 0); +static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb3", 0xa8c, BIT(8), 0); + +static CLK_FIXED_FACTOR(pcie_ref_100m_clk, "pcie-ref-100M", + "pll-periph0-4x", 24, 1, 0); +static SUNXI_CCU_GATE(pcie_ref_clk, "pcie-ref", "pcie-ref-100M", + 0xab0, BIT(31), 0); +static SUNXI_CCU_GATE(pcie_ref_out_clk, "pcie-ref-out", "pcie-ref", + 0xab0, BIT(30), 0); + +static SUNXI_CCU_M_WITH_GATE(pcie_maxi_clk, "pcie-maxi", + "pll-periph0", 0xab4, + 0, 4, /* M */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_M_WITH_GATE(pcie_aux_clk, "pcie-aux", "osc24M", 0xab8, + 0, 5, /* M */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_pcie_clk, "bus-pcie", "psi-ahb1-ahb2", + 0xabc, BIT(0), 0); + +static const char * const hdmi_parents[] = { "pll-video0", "pll-video1", + "pll-video1-4x" }; +static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents, 0xb00, + 0, 4, /* M */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0xb04, BIT(31), 0); + +static const char * const hdmi_cec_parents[] = { "osc32k", "pll-periph0-2x" }; +static const struct ccu_mux_fixed_prediv hdmi_cec_predivs[] = { + { .index = 1, .div = 36621 }, +}; +static struct ccu_mux hdmi_cec_clk = { + .enable = BIT(31), + + .mux = { + .shift = 24, + .width = 2, + + .fixed_predivs = hdmi_cec_predivs, + .n_predivs = ARRAY_SIZE(hdmi_cec_predivs), + }, + + .common = { + .reg = 0xb10, + .features = CCU_FEATURE_VARIABLE_PREDIV, + .hw.init = CLK_HW_INIT_PARENTS("hdmi-cec", + hdmi_cec_parents, + &ccu_mux_ops, + 0), + }, +}; + +static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb3", 0xb1c, BIT(0), 0); + +static SUNXI_CCU_GATE(bus_tcon_top_clk, "bus-tcon-top", "ahb3", + 0xb5c, BIT(0), 0); + +static const char * const tcon_lcd0_parents[] = { "pll-video0", + "pll-video0-4x", + "pll-video1" }; +static SUNXI_CCU_MUX_WITH_GATE(tcon_lcd0_clk, "tcon-lcd0", + tcon_lcd0_parents, 0xb60, + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_tcon_lcd0_clk, "bus-tcon-lcd0", "ahb3", + 0xb7c, BIT(0), 0); + +static const char * const tcon_tv0_parents[] = { "pll-video0", + "pll-video0-4x", + "pll-video1", + "pll-video1-4x" }; +static SUNXI_CCU_MP_WITH_MUX_GATE(tcon_tv0_clk, "tcon-tv0", + tcon_tv0_parents, 0xb80, + 0, 4, /* M */ + 8, 2, /* P */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_tcon_tv0_clk, "bus-tcon-tv0", "ahb3", + 0xb9c, BIT(0), 0); + +static SUNXI_CCU_GATE(csi_cci_clk, "csi-cci", "osc24M", 0xc00, BIT(0), 0); + +static const char * const csi_top_parents[] = { "pll-video0", "pll-ve", + "pll-periph0" }; +static const u8 csi_top_table[] = { 0, 2, 3 }; +static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_top_clk, "csi-top", + csi_top_parents, csi_top_table, 0xc04, + 0, 4, /* M */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static const char * const csi_mclk_parents[] = { "osc24M", "pll-video0", + "pll-periph0", "pll-periph1" }; +static SUNXI_CCU_M_WITH_MUX_GATE(csi_mclk_clk, "csi-mclk", + csi_mclk_parents, 0xc08, + 0, 5, /* M */ + 24, 3, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb3", 0xc2c, BIT(0), 0); + +static const char * const hdcp_parents[] = { "pll-periph0", "pll-periph1" }; +static SUNXI_CCU_M_WITH_MUX_GATE(hdcp_clk, "hdcp", hdcp_parents, 0xc40, + 0, 4, /* M */ + 24, 2, /* mux */ + BIT(31), /* gate */ + 0); + +static SUNXI_CCU_GATE(bus_hdcp_clk, "bus-hdcp", "ahb3", 0xc4c, BIT(0), 0); + +/* Fixed factor clocks */ +static CLK_FIXED_FACTOR(osc12M_clk, "osc12M", "osc24M", 2, 1, 0); + +/* + * The divider of pll-audio is fixed to 8 now, as pll-audio-4x has a + * fixed post-divider 2. + */ +static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio", + "pll-audio-base", 8, 1, CLK_SET_RATE_PARENT); +static CLK_FIXED_FACTOR(pll_audio_2x_clk, "pll-audio-2x", + "pll-audio-base", 4, 1, CLK_SET_RATE_PARENT); +static CLK_FIXED_FACTOR(pll_audio_4x_clk, "pll-audio-4x", + "pll-audio-base", 2, 1, CLK_SET_RATE_PARENT); + +static CLK_FIXED_FACTOR(pll_periph0_4x_clk, "pll-periph0-4x", + "pll-periph0", 1, 4, 0); +static CLK_FIXED_FACTOR(pll_periph0_2x_clk, "pll-periph0-2x", + "pll-periph0", 1, 2, 0); + +static CLK_FIXED_FACTOR(pll_periph1_4x_clk, "pll-periph1-4x", + "pll-periph1", 1, 4, 0); +static CLK_FIXED_FACTOR(pll_periph1_2x_clk, "pll-periph1-2x", + "pll-periph1", 1, 2, 0); + +static CLK_FIXED_FACTOR(pll_video0_4x_clk, "pll-video0-4x", + "pll-video0", 1, 4, CLK_SET_RATE_PARENT); + +static CLK_FIXED_FACTOR(pll_video1_4x_clk, "pll-video1-4x", + "pll-video1", 1, 4, CLK_SET_RATE_PARENT); + +static struct ccu_common *sun50i_h6_ccu_clks[] = { + &pll_cpux_clk.common, + &pll_ddr0_clk.common, + &pll_periph0_clk.common, + &pll_periph1_clk.common, + &pll_gpu_clk.common, + &pll_video0_clk.common, + &pll_video1_clk.common, + &pll_ve_clk.common, + &pll_de_clk.common, + &pll_hsic_clk.common, + &pll_audio_base_clk.common, + &cpux_clk.common, + &axi_clk.common, + &cpux_apb_clk.common, + &psi_ahb1_ahb2_clk.common, + &ahb3_clk.common, + &apb1_clk.common, + &apb2_clk.common, + &mbus_clk.common, + &de_clk.common, + &bus_de_clk.common, + &deinterlace_clk.common, + &bus_deinterlace_clk.common, + &gpu_clk.common, + &bus_gpu_clk.common, + &ce_clk.common, + &bus_ce_clk.common, + &ve_clk.common, + &bus_ve_clk.common, + &emce_clk.common, + &bus_emce_clk.common, + &vp9_clk.common, + &bus_vp9_clk.common, + &bus_dma_clk.common, + &bus_msgbox_clk.common, + &bus_spinlock_clk.common, + &bus_hstimer_clk.common, + &avs_clk.common, + &bus_dbg_clk.common, + &bus_psi_clk.common, + &bus_pwm_clk.common, + &bus_iommu_clk.common, + &dram_clk.common, + &mbus_dma_clk.common, + &mbus_ve_clk.common, + &mbus_ce_clk.common, + &mbus_ts_clk.common, + &mbus_nand_clk.common, + &mbus_csi_clk.common, + &mbus_deinterlace_clk.common, + &bus_dram_clk.common, + &nand0_clk.common, + &nand1_clk.common, + &bus_nand_clk.common, + &mmc0_clk.common, + &mmc1_clk.common, + &mmc2_clk.common, + &bus_mmc0_clk.common, + &bus_mmc1_clk.common, + &bus_mmc2_clk.common, + &bus_uart0_clk.common, + &bus_uart1_clk.common, + &bus_uart2_clk.common, + &bus_uart3_clk.common, + &bus_i2c0_clk.common, + &bus_i2c1_clk.common, + &bus_i2c2_clk.common, + &bus_i2c3_clk.common, + &bus_scr0_clk.common, + &bus_scr1_clk.common, + &spi0_clk.common, + &spi1_clk.common, + &bus_spi0_clk.common, + &bus_spi1_clk.common, + &bus_emac_clk.common, + &ts_clk.common, + &bus_ts_clk.common, + &ir_tx_clk.common, + &bus_ir_tx_clk.common, + &bus_ths_clk.common, + &i2s3_clk.common, + &i2s0_clk.common, + &i2s1_clk.common, + &i2s2_clk.common, + &bus_i2s0_clk.common, + &bus_i2s1_clk.common, + &bus_i2s2_clk.common, + &bus_i2s3_clk.common, + &spdif_clk.common, + &bus_spdif_clk.common, + &dmic_clk.common, + &bus_dmic_clk.common, + &audio_hub_clk.common, + &bus_audio_hub_clk.common, + &usb_ohci0_clk.common, + &usb_phy0_clk.common, + &usb_phy1_clk.common, + &usb_ohci3_clk.common, + &usb_phy3_clk.common, + &usb_hsic_12m_clk.common, + &usb_hsic_clk.common, + &bus_ohci0_clk.common, + &bus_ohci3_clk.common, + &bus_ehci0_clk.common, + &bus_xhci_clk.common, + &bus_ehci3_clk.common, + &bus_otg_clk.common, + &pcie_ref_clk.common, + &pcie_ref_out_clk.common, + &pcie_maxi_clk.common, + &pcie_aux_clk.common, + &bus_pcie_clk.common, + &hdmi_clk.common, + &hdmi_slow_clk.common, + &hdmi_cec_clk.common, + &bus_hdmi_clk.common, + &bus_tcon_top_clk.common, + &tcon_lcd0_clk.common, + &bus_tcon_lcd0_clk.common, + &tcon_tv0_clk.common, + &bus_tcon_tv0_clk.common, + &csi_cci_clk.common, + &csi_top_clk.common, + &csi_mclk_clk.common, + &bus_csi_clk.common, + &hdcp_clk.common, + &bus_hdcp_clk.common, +}; + +static struct clk_hw_onecell_data sun50i_h6_hw_clks = { + .hws = { + [CLK_OSC12M] = &osc12M_clk.hw, + [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, + [CLK_PLL_DDR0] = &pll_ddr0_clk.common.hw, + [CLK_PLL_PERIPH0] = &pll_periph0_clk.common.hw, + [CLK_PLL_PERIPH0_2X] = &pll_periph0_2x_clk.hw, + [CLK_PLL_PERIPH0_4X] = &pll_periph0_4x_clk.hw, + [CLK_PLL_PERIPH1] = &pll_periph1_clk.common.hw, + [CLK_PLL_PERIPH1_2X] = &pll_periph1_2x_clk.hw, + [CLK_PLL_PERIPH1_4X] = &pll_periph1_4x_clk.hw, + [CLK_PLL_GPU] = &pll_gpu_clk.common.hw, + [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw, + [CLK_PLL_VIDEO0_4X] = &pll_video0_4x_clk.hw, + [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw, + [CLK_PLL_VIDEO1_4X] = &pll_video1_4x_clk.hw, + [CLK_PLL_VE] = &pll_ve_clk.common.hw, + [CLK_PLL_DE] = &pll_de_clk.common.hw, + [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw, + [CLK_PLL_AUDIO_BASE] = &pll_audio_base_clk.common.hw, + [CLK_PLL_AUDIO] = &pll_audio_clk.hw, + [CLK_PLL_AUDIO_2X] = &pll_audio_2x_clk.hw, + [CLK_PLL_AUDIO_4X] = &pll_audio_4x_clk.hw, + [CLK_CPUX] = &cpux_clk.common.hw, + [CLK_AXI] = &axi_clk.common.hw, + [CLK_CPUX_APB] = &cpux_apb_clk.common.hw, + [CLK_PSI_AHB1_AHB2] = &psi_ahb1_ahb2_clk.common.hw, + [CLK_AHB3] = &ahb3_clk.common.hw, + [CLK_APB1] = &apb1_clk.common.hw, + [CLK_APB2] = &apb2_clk.common.hw, + [CLK_MBUS] = &mbus_clk.common.hw, + [CLK_DE] = &de_clk.common.hw, + [CLK_BUS_DE] = &bus_de_clk.common.hw, + [CLK_DEINTERLACE] = &deinterlace_clk.common.hw, + [CLK_BUS_DEINTERLACE] = &bus_deinterlace_clk.common.hw, + [CLK_GPU] = &gpu_clk.common.hw, + [CLK_BUS_GPU] = &bus_gpu_clk.common.hw, + [CLK_CE] = &ce_clk.common.hw, + [CLK_BUS_CE] = &bus_ce_clk.common.hw, + [CLK_VE] = &ve_clk.common.hw, + [CLK_BUS_VE] = &bus_ve_clk.common.hw, + [CLK_EMCE] = &emce_clk.common.hw, + [CLK_BUS_EMCE] = &bus_emce_clk.common.hw, + [CLK_VP9] = &vp9_clk.common.hw, + [CLK_BUS_VP9] = &bus_vp9_clk.common.hw, + [CLK_BUS_DMA] = &bus_dma_clk.common.hw, + [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw, + [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw, + [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw, + [CLK_AVS] = &avs_clk.common.hw, + [CLK_BUS_DBG] = &bus_dbg_clk.common.hw, + [CLK_BUS_PSI] = &bus_psi_clk.common.hw, + [CLK_BUS_PWM] = &bus_pwm_clk.common.hw, + [CLK_BUS_IOMMU] = &bus_iommu_clk.common.hw, + [CLK_DRAM] = &dram_clk.common.hw, + [CLK_MBUS_DMA] = &mbus_dma_clk.common.hw, + [CLK_MBUS_VE] = &mbus_ve_clk.common.hw, + [CLK_MBUS_CE] = &mbus_ce_clk.common.hw, + [CLK_MBUS_TS] = &mbus_ts_clk.common.hw, + [CLK_MBUS_NAND] = &mbus_nand_clk.common.hw, + [CLK_MBUS_CSI] = &mbus_csi_clk.common.hw, + [CLK_MBUS_DEINTERLACE] = &mbus_deinterlace_clk.common.hw, + [CLK_BUS_DRAM] = &bus_dram_clk.common.hw, + [CLK_NAND0] = &nand0_clk.common.hw, + [CLK_NAND1] = &nand1_clk.common.hw, + [CLK_BUS_NAND] = &bus_nand_clk.common.hw, + [CLK_MMC0] = &mmc0_clk.common.hw, + [CLK_MMC1] = &mmc1_clk.common.hw, + [CLK_MMC2] = &mmc2_clk.common.hw, + [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw, + [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw, + [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw, + [CLK_BUS_UART0] = &bus_uart0_clk.common.hw, + [CLK_BUS_UART1] = &bus_uart1_clk.common.hw, + [CLK_BUS_UART2] = &bus_uart2_clk.common.hw, + [CLK_BUS_UART3] = &bus_uart3_clk.common.hw, + [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw, + [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw, + [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw, + [CLK_BUS_I2C3] = &bus_i2c3_clk.common.hw, + [CLK_BUS_SCR0] = &bus_scr0_clk.common.hw, + [CLK_BUS_SCR1] = &bus_scr1_clk.common.hw, + [CLK_SPI0] = &spi0_clk.common.hw, + [CLK_SPI1] = &spi1_clk.common.hw, + [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw, + [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw, + [CLK_BUS_EMAC] = &bus_emac_clk.common.hw, + [CLK_TS] = &ts_clk.common.hw, + [CLK_BUS_TS] = &bus_ts_clk.common.hw, + [CLK_IR_TX] = &ir_tx_clk.common.hw, + [CLK_BUS_IR_TX] = &bus_ir_tx_clk.common.hw, + [CLK_BUS_THS] = &bus_ths_clk.common.hw, + [CLK_I2S3] = &i2s3_clk.common.hw, + [CLK_I2S0] = &i2s0_clk.common.hw, + [CLK_I2S1] = &i2s1_clk.common.hw, + [CLK_I2S2] = &i2s2_clk.common.hw, + [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw, + [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw, + [CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw, + [CLK_BUS_I2S3] = &bus_i2s3_clk.common.hw, + [CLK_SPDIF] = &spdif_clk.common.hw, + [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, + [CLK_DMIC] = &dmic_clk.common.hw, + [CLK_BUS_DMIC] = &bus_dmic_clk.common.hw, + [CLK_AUDIO_HUB] = &audio_hub_clk.common.hw, + [CLK_BUS_AUDIO_HUB] = &bus_audio_hub_clk.common.hw, + [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw, + [CLK_USB_PHY0] = &usb_phy0_clk.common.hw, + [CLK_USB_PHY1] = &usb_phy1_clk.common.hw, + [CLK_USB_OHCI3] = &usb_ohci3_clk.common.hw, + [CLK_USB_PHY3] = &usb_phy3_clk.common.hw, + [CLK_USB_HSIC_12M] = &usb_hsic_12m_clk.common.hw, + [CLK_USB_HSIC] = &usb_hsic_clk.common.hw, + [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw, + [CLK_BUS_OHCI3] = &bus_ohci3_clk.common.hw, + [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw, + [CLK_BUS_XHCI] = &bus_xhci_clk.common.hw, + [CLK_BUS_EHCI3] = &bus_ehci3_clk.common.hw, + [CLK_BUS_OTG] = &bus_otg_clk.common.hw, + [CLK_PCIE_REF_100M] = &pcie_ref_100m_clk.hw, + [CLK_PCIE_REF] = &pcie_ref_clk.common.hw, + [CLK_PCIE_REF_OUT] = &pcie_ref_out_clk.common.hw, + [CLK_PCIE_MAXI] = &pcie_maxi_clk.common.hw, + [CLK_PCIE_AUX] = &pcie_aux_clk.common.hw, + [CLK_BUS_PCIE] = &bus_pcie_clk.common.hw, + [CLK_HDMI] = &hdmi_clk.common.hw, + [CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw, + [CLK_HDMI_CEC] = &hdmi_cec_clk.common.hw, + [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw, + [CLK_BUS_TCON_TOP] = &bus_tcon_top_clk.common.hw, + [CLK_TCON_LCD0] = &tcon_lcd0_clk.common.hw, + [CLK_BUS_TCON_LCD0] = &bus_tcon_lcd0_clk.common.hw, + [CLK_TCON_TV0] = &tcon_tv0_clk.common.hw, + [CLK_BUS_TCON_TV0] = &bus_tcon_tv0_clk.common.hw, + [CLK_CSI_CCI] = &csi_cci_clk.common.hw, + [CLK_CSI_TOP] = &csi_top_clk.common.hw, + [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw, + [CLK_BUS_CSI] = &bus_csi_clk.common.hw, + [CLK_HDCP] = &hdcp_clk.common.hw, + [CLK_BUS_HDCP] = &bus_hdcp_clk.common.hw, + }, + .num = CLK_NUMBER, +}; + +static struct ccu_reset_map sun50i_h6_ccu_resets[] = { + [RST_MBUS] = { 0x540, BIT(30) }, + + [RST_BUS_DE] = { 0x60c, BIT(16) }, + [RST_BUS_DEINTERLACE] = { 0x62c, BIT(16) }, + [RST_BUS_GPU] = { 0x67c, BIT(16) }, + [RST_BUS_CE] = { 0x68c, BIT(16) }, + [RST_BUS_VE] = { 0x69c, BIT(16) }, + [RST_BUS_EMCE] = { 0x6bc, BIT(16) }, + [RST_BUS_VP9] = { 0x6cc, BIT(16) }, + [RST_BUS_DMA] = { 0x70c, BIT(16) }, + [RST_BUS_MSGBOX] = { 0x71c, BIT(16) }, + [RST_BUS_SPINLOCK] = { 0x72c, BIT(16) }, + [RST_BUS_HSTIMER] = { 0x73c, BIT(16) }, + [RST_BUS_DBG] = { 0x78c, BIT(16) }, + [RST_BUS_PSI] = { 0x79c, BIT(16) }, + [RST_BUS_PWM] = { 0x7ac, BIT(16) }, + [RST_BUS_IOMMU] = { 0x7bc, BIT(16) }, + [RST_BUS_DRAM] = { 0x80c, BIT(16) }, + [RST_BUS_NAND] = { 0x82c, BIT(16) }, + [RST_BUS_MMC0] = { 0x84c, BIT(16) }, + [RST_BUS_MMC1] = { 0x84c, BIT(17) }, + [RST_BUS_MMC2] = { 0x84c, BIT(18) }, + [RST_BUS_UART0] = { 0x90c, BIT(16) }, + [RST_BUS_UART1] = { 0x90c, BIT(17) }, + [RST_BUS_UART2] = { 0x90c, BIT(18) }, + [RST_BUS_UART3] = { 0x90c, BIT(19) }, + [RST_BUS_I2C0] = { 0x91c, BIT(16) }, + [RST_BUS_I2C1] = { 0x91c, BIT(17) }, + [RST_BUS_I2C2] = { 0x91c, BIT(18) }, + [RST_BUS_I2C3] = { 0x91c, BIT(19) }, + [RST_BUS_SCR0] = { 0x93c, BIT(16) }, + [RST_BUS_SCR1] = { 0x93c, BIT(17) }, + [RST_BUS_SPI0] = { 0x96c, BIT(16) }, + [RST_BUS_SPI1] = { 0x96c, BIT(17) }, + [RST_BUS_EMAC] = { 0x97c, BIT(16) }, + [RST_BUS_TS] = { 0x9bc, BIT(16) }, + [RST_BUS_IR_TX] = { 0x9cc, BIT(16) }, + [RST_BUS_THS] = { 0x9fc, BIT(16) }, + [RST_BUS_I2S0] = { 0xa1c, BIT(16) }, + [RST_BUS_I2S1] = { 0xa1c, BIT(17) }, + [RST_BUS_I2S2] = { 0xa1c, BIT(18) }, + [RST_BUS_I2S3] = { 0xa1c, BIT(19) }, + [RST_BUS_SPDIF] = { 0xa2c, BIT(16) }, + [RST_BUS_DMIC] = { 0xa4c, BIT(16) }, + [RST_BUS_AUDIO_HUB] = { 0xa6c, BIT(16) }, + + [RST_USB_PHY0] = { 0xa70, BIT(30) }, + [RST_USB_PHY1] = { 0xa74, BIT(30) }, + [RST_USB_PHY3] = { 0xa7c, BIT(30) }, + [RST_USB_HSIC] = { 0xa7c, BIT(28) }, + + [RST_BUS_OHCI0] = { 0xa8c, BIT(16) }, + [RST_BUS_OHCI3] = { 0xa8c, BIT(19) }, + [RST_BUS_EHCI0] = { 0xa8c, BIT(20) }, + [RST_BUS_XHCI] = { 0xa8c, BIT(21) }, + [RST_BUS_EHCI3] = { 0xa8c, BIT(23) }, + [RST_BUS_OTG] = { 0xa8c, BIT(24) }, + [RST_BUS_PCIE] = { 0xabc, BIT(16) }, + + [RST_PCIE_POWERUP] = { 0xabc, BIT(17) }, + + [RST_BUS_HDMI] = { 0xb1c, BIT(16) }, + [RST_BUS_HDMI_SUB] = { 0xb1c, BIT(17) }, + [RST_BUS_TCON_TOP] = { 0xb5c, BIT(16) }, + [RST_BUS_TCON_LCD0] = { 0xb7c, BIT(16) }, + [RST_BUS_TCON_TV0] = { 0xb9c, BIT(16) }, + [RST_BUS_CSI] = { 0xc2c, BIT(16) }, + [RST_BUS_HDCP] = { 0xc4c, BIT(16) }, +}; + +static const struct sunxi_ccu_desc sun50i_h6_ccu_desc = { + .ccu_clks = sun50i_h6_ccu_clks, + .num_ccu_clks = ARRAY_SIZE(sun50i_h6_ccu_clks), + + .hw_clks = &sun50i_h6_hw_clks, + + .resets = sun50i_h6_ccu_resets, + .num_resets = ARRAY_SIZE(sun50i_h6_ccu_resets), +}; + +static const u32 pll_regs[] = { + SUN50I_H6_PLL_CPUX_REG, + SUN50I_H6_PLL_DDR0_REG, + SUN50I_H6_PLL_PERIPH0_REG, + SUN50I_H6_PLL_PERIPH1_REG, + SUN50I_H6_PLL_GPU_REG, + SUN50I_H6_PLL_VIDEO0_REG, + SUN50I_H6_PLL_VIDEO1_REG, + SUN50I_H6_PLL_VE_REG, + SUN50I_H6_PLL_DE_REG, + SUN50I_H6_PLL_HSIC_REG, + SUN50I_H6_PLL_AUDIO_REG, +}; + +static const u32 pll_video_regs[] = { + SUN50I_H6_PLL_VIDEO0_REG, + SUN50I_H6_PLL_VIDEO1_REG, +}; + +static const u32 usb2_clk_regs[] = { + SUN50I_H6_USB0_CLK_REG, + SUN50I_H6_USB3_CLK_REG, +}; + +static int sun50i_h6_ccu_probe(struct platform_device *pdev) +{ + struct resource *res; + void __iomem *reg; + u32 val; + int i; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + reg = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(reg)) + return PTR_ERR(reg); + + /* Enable the lock bits on all PLLs */ + for (i = 0; i < ARRAY_SIZE(pll_regs); i++) { + val = readl(reg + pll_regs[i]); + val |= BIT(29); + writel(val, reg + pll_regs[i]); + } + + /* + * Force the output divider of video PLLs to 0. + * + * See the comment before pll-video0 definition for the reason. + */ + for (i = 0; i < ARRAY_SIZE(pll_video_regs); i++) { + val = readl(reg + pll_video_regs[i]); + val &= ~BIT(0); + writel(val, reg + pll_video_regs[i]); + } + + /* + * Force OHCI 12M clock sources to 00 (12MHz divided from 48MHz) + * + * This clock mux is still mysterious, and the code just enforces + * it to have a valid clock parent. + */ + for (i = 0; i < ARRAY_SIZE(usb2_clk_regs); i++) { + val = readl(reg + usb2_clk_regs[i]); + val &= ~GENMASK(25, 24); + writel (val, reg + usb2_clk_regs[i]); + } + + /* + * Force the post-divider of pll-audio to 8 and the output divider + * of it to 1, to make the clock name represents the real frequency. + */ + val = readl(reg + SUN50I_H6_PLL_AUDIO_REG); + val &= ~(GENMASK(21, 16) | BIT(0)); + writel(val | (7 << 16), reg + SUN50I_H6_PLL_AUDIO_REG); + + return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_h6_ccu_desc); +} + +static const struct of_device_id sun50i_h6_ccu_ids[] = { + { .compatible = "allwinner,sun50i-h6-ccu" }, + { } +}; + +static struct platform_driver sun50i_h6_ccu_driver = { + .probe = sun50i_h6_ccu_probe, + .driver = { + .name = "sun50i-h6-ccu", + .of_match_table = sun50i_h6_ccu_ids, + }, +}; +builtin_platform_driver(sun50i_h6_ccu_driver); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.h b/drivers/clk/sunxi-ng/ccu-sun50i-h6.h new file mode 100644 index 000000000000..2ccfe4428260 --- /dev/null +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.h @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2016 Icenowy Zheng <icenowy@aosc.io> + */ + +#ifndef _CCU_SUN50I_H6_H_ +#define _CCU_SUN50I_H6_H_ + +#include <dt-bindings/clock/sun50i-h6-ccu.h> +#include <dt-bindings/reset/sun50i-h6-ccu.h> + +#define CLK_OSC12M 0 +#define CLK_PLL_CPUX 1 +#define CLK_PLL_DDR0 2 + +/* PLL_PERIPH0 exported for PRCM */ + +#define CLK_PLL_PERIPH0_2X 4 +#define CLK_PLL_PERIPH0_4X 5 +#define CLK_PLL_PERIPH1 6 +#define CLK_PLL_PERIPH1_2X 7 +#define CLK_PLL_PERIPH1_4X 8 +#define CLK_PLL_GPU 9 +#define CLK_PLL_VIDEO0 10 +#define CLK_PLL_VIDEO0_4X 11 +#define CLK_PLL_VIDEO1 12 +#define CLK_PLL_VIDEO1_4X 13 +#define CLK_PLL_VE 14 +#define CLK_PLL_DE 15 +#define CLK_PLL_HSIC 16 +#define CLK_PLL_AUDIO_BASE 17 +#define CLK_PLL_AUDIO 18 +#define CLK_PLL_AUDIO_2X 19 +#define CLK_PLL_AUDIO_4X 20 + +/* CPUX clock exported for DVFS */ + +#define CLK_AXI 22 +#define CLK_CPUX_APB 23 +#define CLK_PSI_AHB1_AHB2 24 +#define CLK_AHB3 25 + +/* APB1 clock exported for PIO */ + +#define CLK_APB2 27 +#define CLK_MBUS 28 + +/* All module clocks and bus gates are exported except DRAM */ + +#define CLK_DRAM 52 + +#define CLK_BUS_DRAM 60 + +#define CLK_NUMBER (CLK_BUS_HDCP + 1) + +#endif /* _CCU_SUN50I_H6_H_ */ diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c index 29bc0566b776..77ed0b0ba681 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c @@ -69,17 +69,18 @@ static SUNXI_CCU_NM_WITH_SDM_GATE_LOCK(pll_audio_base_clk, "pll-audio-base", BIT(28), /* lock */ CLK_SET_RATE_UNGATE); -static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_video_clk, "pll-video", - "osc24M", 0x0010, - 8, 7, /* N */ - 0, 4, /* M */ - BIT(24), /* frac enable */ - BIT(25), /* frac select */ - 270000000, /* frac rate 0 */ - 297000000, /* frac rate 1 */ - BIT(31), /* gate */ - BIT(28), /* lock */ - CLK_SET_RATE_UNGATE); +static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(pll_video_clk, "pll-video", + "osc24M", 0x0010, + 192000000, /* Minimum rate */ + 8, 7, /* N */ + 0, 4, /* M */ + BIT(24), /* frac enable */ + BIT(25), /* frac select */ + 270000000, /* frac rate 0 */ + 297000000, /* frac rate 1 */ + BIT(31), /* gate */ + BIT(28), /* lock */ + CLK_SET_RATE_UNGATE); static SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK(pll_ve_clk, "pll-ve", "osc24M", 0x0018, @@ -451,11 +452,13 @@ static SUNXI_CCU_GATE(dram_ts_clk, "dram-ts", "dram", static const char * const de_parents[] = { "pll-periph0-2x", "pll-de" }; static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, - 0x104, 0, 4, 24, 3, BIT(31), 0); + 0x104, 0, 4, 24, 3, BIT(31), + CLK_SET_RATE_PARENT); static const char * const tcon_parents[] = { "pll-video" }; static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents, - 0x118, 0, 4, 24, 3, BIT(31), 0); + 0x118, 0, 4, 24, 3, BIT(31), + CLK_SET_RATE_PARENT); static const char * const tve_parents[] = { "pll-de", "pll-periph1" }; static SUNXI_CCU_M_WITH_MUX_GATE(tve_clk, "tve", tve_parents, @@ -486,7 +489,8 @@ static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", static const char * const hdmi_parents[] = { "pll-video" }; static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents, - 0x150, 0, 4, 24, 2, BIT(31), 0); + 0x150, 0, 4, 24, 2, BIT(31), + CLK_SET_RATE_PARENT); static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 0x154, BIT(31), 0); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h index 1b4baea37d81..73d7392c968c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h @@ -26,7 +26,9 @@ #define CLK_PLL_AUDIO_2X 3 #define CLK_PLL_AUDIO_4X 4 #define CLK_PLL_AUDIO_8X 5 -#define CLK_PLL_VIDEO 6 + +/* PLL_VIDEO is exported */ + #define CLK_PLL_VE 7 #define CLK_PLL_DDR 8 diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index e58c95787f94..ebd9436d2c7c 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -20,6 +20,18 @@ struct _ccu_nkmp { unsigned long p, min_p, max_p; }; +static unsigned long ccu_nkmp_calc_rate(unsigned long parent, + unsigned long n, unsigned long k, + unsigned long m, unsigned long p) +{ + u64 rate = parent; + + rate *= n * k; + do_div(rate, m * p); + + return rate; +} + static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate, struct _ccu_nkmp *nkmp) { @@ -33,7 +45,9 @@ static void ccu_nkmp_find_best(unsigned long parent, unsigned long rate, for (_p = nkmp->min_p; _p <= nkmp->max_p; _p <<= 1) { unsigned long tmp_rate; - tmp_rate = parent * _n * _k / (_m * _p); + tmp_rate = ccu_nkmp_calc_rate(parent, + _n, _k, + _m, _p); if (tmp_rate > rate) continue; @@ -81,7 +95,7 @@ static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) { struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw); - unsigned long n, m, k, p; + unsigned long n, m, k, p, rate; u32 reg; reg = readl(nkmp->common.base + nkmp->common.reg); @@ -107,7 +121,11 @@ static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw, p = reg >> nkmp->p.shift; p &= (1 << nkmp->p.width) - 1; - return (parent_rate * n * k >> p) / m; + rate = ccu_nkmp_calc_rate(parent_rate, n, k, m, 1 << p); + if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV) + rate /= nkmp->fixed_post_div; + + return rate; } static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, @@ -116,6 +134,9 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw); struct _ccu_nkmp _nkmp; + if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV) + rate *= nkmp->fixed_post_div; + _nkmp.min_n = nkmp->n.min ?: 1; _nkmp.max_n = nkmp->n.max ?: 1 << nkmp->n.width; _nkmp.min_k = nkmp->k.min ?: 1; @@ -127,17 +148,26 @@ static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, ccu_nkmp_find_best(*parent_rate, rate, &_nkmp); - return *parent_rate * _nkmp.n * _nkmp.k / (_nkmp.m * _nkmp.p); + rate = ccu_nkmp_calc_rate(*parent_rate, _nkmp.n, _nkmp.k, + _nkmp.m, _nkmp.p); + if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV) + rate = rate / nkmp->fixed_post_div; + + return rate; } static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { struct ccu_nkmp *nkmp = hw_to_ccu_nkmp(hw); + u32 n_mask, k_mask, m_mask, p_mask; struct _ccu_nkmp _nkmp; unsigned long flags; u32 reg; + if (nkmp->common.features & CCU_FEATURE_FIXED_POSTDIV) + rate = rate * nkmp->fixed_post_div; + _nkmp.min_n = nkmp->n.min ?: 1; _nkmp.max_n = nkmp->n.max ?: 1 << nkmp->n.width; _nkmp.min_k = nkmp->k.min ?: 1; @@ -149,18 +179,20 @@ static int ccu_nkmp_set_rate(struct clk_hw *hw, unsigned long rate, ccu_nkmp_find_best(parent_rate, rate, &_nkmp); + n_mask = GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift); + k_mask = GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift); + m_mask = GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift); + p_mask = GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift); + spin_lock_irqsave(nkmp->common.lock, flags); reg = readl(nkmp->common.base + nkmp->common.reg); - reg &= ~GENMASK(nkmp->n.width + nkmp->n.shift - 1, nkmp->n.shift); - reg &= ~GENMASK(nkmp->k.width + nkmp->k.shift - 1, nkmp->k.shift); - reg &= ~GENMASK(nkmp->m.width + nkmp->m.shift - 1, nkmp->m.shift); - reg &= ~GENMASK(nkmp->p.width + nkmp->p.shift - 1, nkmp->p.shift); - - reg |= (_nkmp.n - nkmp->n.offset) << nkmp->n.shift; - reg |= (_nkmp.k - nkmp->k.offset) << nkmp->k.shift; - reg |= (_nkmp.m - nkmp->m.offset) << nkmp->m.shift; - reg |= ilog2(_nkmp.p) << nkmp->p.shift; + reg &= ~(n_mask | k_mask | m_mask | p_mask); + + reg |= ((_nkmp.n - nkmp->n.offset) << nkmp->n.shift) & n_mask; + reg |= ((_nkmp.k - nkmp->k.offset) << nkmp->k.shift) & k_mask; + reg |= ((_nkmp.m - nkmp->m.offset) << nkmp->m.shift) & m_mask; + reg |= (ilog2(_nkmp.p) << nkmp->p.shift) & p_mask; writel(reg, nkmp->common.base + nkmp->common.reg); diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.h b/drivers/clk/sunxi-ng/ccu_nkmp.h index a82facbc6144..6940503e7fc4 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.h +++ b/drivers/clk/sunxi-ng/ccu_nkmp.h @@ -34,6 +34,8 @@ struct ccu_nkmp { struct ccu_div_internal m; struct ccu_div_internal p; + unsigned int fixed_post_div; + struct ccu_common common; }; diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c index a16de092bf94..4e2073307f34 100644 --- a/drivers/clk/sunxi-ng/ccu_nm.c +++ b/drivers/clk/sunxi-ng/ccu_nm.c @@ -117,6 +117,13 @@ static long ccu_nm_round_rate(struct clk_hw *hw, unsigned long rate, if (nm->common.features & CCU_FEATURE_FIXED_POSTDIV) rate *= nm->fixed_post_div; + if (rate < nm->min_rate) { + rate = nm->min_rate; + if (nm->common.features & CCU_FEATURE_FIXED_POSTDIV) + rate /= nm->fixed_post_div; + return rate; + } + if (ccu_frac_helper_has_rate(&nm->common, &nm->frac, rate)) { if (nm->common.features & CCU_FEATURE_FIXED_POSTDIV) rate /= nm->fixed_post_div; diff --git a/drivers/clk/sunxi-ng/ccu_nm.h b/drivers/clk/sunxi-ng/ccu_nm.h index eba586b4c7d0..1d8b459c50b7 100644 --- a/drivers/clk/sunxi-ng/ccu_nm.h +++ b/drivers/clk/sunxi-ng/ccu_nm.h @@ -37,6 +37,7 @@ struct ccu_nm { struct ccu_sdm_internal sdm; unsigned int fixed_post_div; + unsigned int min_rate; struct ccu_common common; }; @@ -88,6 +89,32 @@ struct ccu_nm { }, \ } +#define SUNXI_CCU_NM_WITH_FRAC_GATE_LOCK_MIN(_struct, _name, _parent, \ + _reg, _min_rate, \ + _nshift, _nwidth, \ + _mshift, _mwidth, \ + _frac_en, _frac_sel, \ + _frac_rate_0, _frac_rate_1,\ + _gate, _lock, _flags) \ + struct ccu_nm _struct = { \ + .enable = _gate, \ + .lock = _lock, \ + .n = _SUNXI_CCU_MULT(_nshift, _nwidth), \ + .m = _SUNXI_CCU_DIV(_mshift, _mwidth), \ + .frac = _SUNXI_CCU_FRAC(_frac_en, _frac_sel, \ + _frac_rate_0, \ + _frac_rate_1), \ + .min_rate = _min_rate, \ + .common = { \ + .reg = _reg, \ + .features = CCU_FEATURE_FRACTIONAL, \ + .hw.init = CLK_HW_INIT(_name, \ + _parent, \ + &ccu_nm_ops, \ + _flags), \ + }, \ + } + #define SUNXI_CCU_NM_WITH_GATE_LOCK(_struct, _name, _parent, _reg, \ _nshift, _nwidth, \ _mshift, _mwidth, \ diff --git a/drivers/clk/tegra/clk-emc.c b/drivers/clk/tegra/clk-emc.c index 11a5066e5c27..5234acd30e89 100644 --- a/drivers/clk/tegra/clk-emc.c +++ b/drivers/clk/tegra/clk-emc.c @@ -515,7 +515,7 @@ struct clk *tegra_clk_register_emc(void __iomem *base, struct device_node *np, init.name = "emc"; init.ops = &tegra_clk_emc_ops; - init.flags = 0; + init.flags = CLK_IS_CRITICAL; init.parent_names = emc_parent_clk_names; init.num_parents = ARRAY_SIZE(emc_parent_clk_names); diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index 7c369e21c91c..830d1c87fa7c 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -1151,6 +1151,8 @@ static const struct clk_ops tegra_clk_pllu_ops = { .enable = clk_pllu_enable, .disable = clk_pll_disable, .recalc_rate = clk_pll_recalc_rate, + .round_rate = clk_pll_round_rate, + .set_rate = clk_pll_set_rate, }; static int _pll_fixed_mdiv(struct tegra_clk_pll_params *pll_params, diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c index c02711927d79..2acba2986bc6 100644 --- a/drivers/clk/tegra/clk-tegra-periph.c +++ b/drivers/clk/tegra/clk-tegra-periph.c @@ -830,7 +830,7 @@ static struct tegra_periph_init_data gate_clks[] = { GATE("xusb_host", "xusb_host_src", 89, 0, tegra_clk_xusb_host, 0), GATE("xusb_ss", "xusb_ss_src", 156, 0, tegra_clk_xusb_ss, 0), GATE("xusb_dev", "xusb_dev_src", 95, 0, tegra_clk_xusb_dev, 0), - GATE("emc", "emc_mux", 57, 0, tegra_clk_emc, CLK_IGNORE_UNUSED), + GATE("emc", "emc_mux", 57, 0, tegra_clk_emc, CLK_IS_CRITICAL), GATE("sata_cold", "clk_m", 129, TEGRA_PERIPH_ON_APB, tegra_clk_sata_cold, 0), GATE("ispa", "isp", 23, 0, tegra_clk_ispa, 0), GATE("ispb", "isp", 3, 0, tegra_clk_ispb, 0), diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c index 10047107c1dc..89d6b47a27a8 100644 --- a/drivers/clk/tegra/clk-tegra-super-gen4.c +++ b/drivers/clk/tegra/clk-tegra-super-gen4.c @@ -125,7 +125,8 @@ static void __init tegra_sclk_init(void __iomem *clk_base, /* SCLK */ dt_clk = tegra_lookup_dt_id(tegra_clk_sclk, tegra_clks); if (dt_clk) { - clk = clk_register_divider(NULL, "sclk", "sclk_mux", 0, + clk = clk_register_divider(NULL, "sclk", "sclk_mux", + CLK_IS_CRITICAL, clk_base + SCLK_DIVIDER, 0, 8, 0, &sysrate_lock); *dt_clk = clk; @@ -137,7 +138,8 @@ static void __init tegra_sclk_init(void __iomem *clk_base, clk = tegra_clk_register_super_mux("sclk", gen_info->sclk_parents, gen_info->num_sclk_parents, - CLK_SET_RATE_PARENT, + CLK_SET_RATE_PARENT | + CLK_IS_CRITICAL, clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL); *dt_clk = clk; @@ -151,7 +153,7 @@ static void __init tegra_sclk_init(void __iomem *clk_base, clk_base + SYSTEM_CLK_RATE, 4, 2, 0, &sysrate_lock); clk = clk_register_gate(NULL, "hclk", "hclk_div", - CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, clk_base + SYSTEM_CLK_RATE, 7, CLK_GATE_SET_TO_DISABLE, &sysrate_lock); *dt_clk = clk; diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 63087d17c3e2..5d5a22d529f5 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -955,8 +955,7 @@ static void __init tegra114_pll_init(void __iomem *clk_base, /* PLLM */ clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - &pll_m_params, NULL); + CLK_SET_RATE_GATE, &pll_m_params, NULL); clks[TEGRA114_CLK_PLL_M] = clk; /* PLLM_OUT1 */ @@ -1190,6 +1189,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0 }, { TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0 }, { TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0 }, + { TEGRA114_CLK_VDE, TEGRA114_CLK_CLK_MAX, 600000000, 0 }, /* must be the last entry */ { TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0 }, }; diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index e81ea5b11577..50088e976611 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -1089,8 +1089,7 @@ static void __init tegra124_pll_init(void __iomem *clk_base, /* PLLM */ clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - &pll_m_params, NULL); + CLK_SET_RATE_GATE, &pll_m_params, NULL); clk_register_clkdev(clk, "pll_m", NULL); clks[TEGRA124_CLK_PLL_M] = clk; @@ -1099,7 +1098,7 @@ static void __init tegra124_pll_init(void __iomem *clk_base, clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, NULL); clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", - clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | + clk_base + PLLM_OUT, 1, 0, CLK_SET_RATE_PARENT, 0, NULL); clk_register_clkdev(clk, "pll_m_out1", NULL); clks[TEGRA124_CLK_PLL_M_OUT1] = clk; @@ -1268,11 +1267,11 @@ static struct tegra_clk_init_table common_init_table[] __initdata = { { TEGRA124_CLK_I2S2, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 }, { TEGRA124_CLK_I2S3, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 }, { TEGRA124_CLK_I2S4, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 }, - { TEGRA124_CLK_VDE, TEGRA124_CLK_PLL_P, 0, 0 }, + { TEGRA124_CLK_VDE, TEGRA124_CLK_CLK_MAX, 600000000, 0 }, { TEGRA124_CLK_HOST1X, TEGRA124_CLK_PLL_P, 136000000, 1 }, { TEGRA124_CLK_DSIALP, TEGRA124_CLK_PLL_P, 68000000, 0 }, { TEGRA124_CLK_DSIBLP, TEGRA124_CLK_PLL_P, 68000000, 0 }, - { TEGRA124_CLK_SCLK, TEGRA124_CLK_PLL_P_OUT2, 102000000, 1 }, + { TEGRA124_CLK_SCLK, TEGRA124_CLK_PLL_P_OUT2, 102000000, 0 }, { TEGRA124_CLK_DFLL_SOC, TEGRA124_CLK_PLL_P, 51000000, 1 }, { TEGRA124_CLK_DFLL_REF, TEGRA124_CLK_PLL_P, 51000000, 1 }, { TEGRA124_CLK_PLL_C, TEGRA124_CLK_CLK_MAX, 768000000, 0 }, diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index cbd5a2e5c569..0ee56dd04cec 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -576,6 +576,7 @@ static struct tegra_clk tegra20_clks[tegra_clk_max] __initdata = { [tegra_clk_afi] = { .dt_id = TEGRA20_CLK_AFI, .present = true }, [tegra_clk_fuse] = { .dt_id = TEGRA20_CLK_FUSE, .present = true }, [tegra_clk_kfuse] = { .dt_id = TEGRA20_CLK_KFUSE, .present = true }, + [tegra_clk_emc] = { .dt_id = TEGRA20_CLK_EMC, .present = true }, }; static unsigned long tegra20_clk_measure_input_freq(void) @@ -651,8 +652,7 @@ static void tegra20_pll_init(void) /* PLLM */ clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, NULL, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - &pll_m_params, NULL); + CLK_SET_RATE_GATE, &pll_m_params, NULL); clks[TEGRA20_CLK_PLL_M] = clk; /* PLLM_OUT1 */ @@ -660,7 +660,7 @@ static void tegra20_pll_init(void) clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, NULL); clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", - clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | + clk_base + PLLM_OUT, 1, 0, CLK_SET_RATE_PARENT, 0, NULL); clks[TEGRA20_CLK_PLL_M_OUT1] = clk; @@ -723,7 +723,8 @@ static void tegra20_super_clk_init(void) /* SCLK */ clk = tegra_clk_register_super_mux("sclk", sclk_parents, - ARRAY_SIZE(sclk_parents), CLK_SET_RATE_PARENT, + ARRAY_SIZE(sclk_parents), + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL); clks[TEGRA20_CLK_SCLK] = clk; @@ -814,9 +815,6 @@ static void __init tegra20_periph_clk_init(void) CLK_SET_RATE_NO_REPARENT, clk_base + CLK_SOURCE_EMC, 30, 2, 0, &emc_lock); - clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0, - 57, periph_clk_enb_refcnt); - clks[TEGRA20_CLK_EMC] = clk; clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, &emc_lock); @@ -1019,13 +1017,12 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA20_CLK_PLL_P_OUT2, TEGRA20_CLK_CLK_MAX, 48000000, 1 }, { TEGRA20_CLK_PLL_P_OUT3, TEGRA20_CLK_CLK_MAX, 72000000, 1 }, { TEGRA20_CLK_PLL_P_OUT4, TEGRA20_CLK_CLK_MAX, 24000000, 1 }, - { TEGRA20_CLK_PLL_C, TEGRA20_CLK_CLK_MAX, 600000000, 1 }, - { TEGRA20_CLK_PLL_C_OUT1, TEGRA20_CLK_CLK_MAX, 216000000, 1 }, - { TEGRA20_CLK_SCLK, TEGRA20_CLK_PLL_C_OUT1, 0, 1 }, - { TEGRA20_CLK_HCLK, TEGRA20_CLK_CLK_MAX, 0, 1 }, - { TEGRA20_CLK_PCLK, TEGRA20_CLK_CLK_MAX, 60000000, 1 }, + { TEGRA20_CLK_PLL_C, TEGRA20_CLK_CLK_MAX, 600000000, 0 }, + { TEGRA20_CLK_PLL_C_OUT1, TEGRA20_CLK_CLK_MAX, 240000000, 0 }, + { TEGRA20_CLK_SCLK, TEGRA20_CLK_PLL_C_OUT1, 240000000, 0 }, + { TEGRA20_CLK_HCLK, TEGRA20_CLK_CLK_MAX, 240000000, 0 }, + { TEGRA20_CLK_PCLK, TEGRA20_CLK_CLK_MAX, 60000000, 0 }, { TEGRA20_CLK_CSITE, TEGRA20_CLK_CLK_MAX, 0, 1 }, - { TEGRA20_CLK_EMC, TEGRA20_CLK_CLK_MAX, 0, 1 }, { TEGRA20_CLK_CCLK, TEGRA20_CLK_CLK_MAX, 0, 1 }, { TEGRA20_CLK_UARTA, TEGRA20_CLK_PLL_P, 0, 0 }, { TEGRA20_CLK_UARTB, TEGRA20_CLK_PLL_P, 0, 0 }, @@ -1051,6 +1048,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA20_CLK_DISP2, TEGRA20_CLK_PLL_P, 600000000, 0 }, { TEGRA20_CLK_GR2D, TEGRA20_CLK_PLL_C, 300000000, 0 }, { TEGRA20_CLK_GR3D, TEGRA20_CLK_PLL_C, 300000000, 0 }, + { TEGRA20_CLK_VDE, TEGRA20_CLK_CLK_MAX, 300000000, 0 }, /* must be the last entry */ { TEGRA20_CLK_CLK_MAX, TEGRA20_CLK_CLK_MAX, 0, 0 }, }; diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 9e6260869eb9..9fb5d51ccce4 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -22,10 +22,12 @@ #include <linux/of_address.h> #include <linux/delay.h> #include <linux/export.h> +#include <linux/mutex.h> #include <linux/clk/tegra.h> #include <dt-bindings/clock/tegra210-car.h> #include <dt-bindings/reset/tegra210-car.h> #include <linux/iopoll.h> +#include <soc/tegra/pmc.h> #include "clk.h" #include "clk-id.h" @@ -41,6 +43,7 @@ #define CLK_SOURCE_CSITE 0x1d4 #define CLK_SOURCE_EMC 0x19c #define CLK_SOURCE_SOR1 0x410 +#define CLK_SOURCE_LA 0x1f8 #define PLLC_BASE 0x80 #define PLLC_OUT 0x84 @@ -231,6 +234,30 @@ #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac +#define LVL2_CLK_GATE_OVRA 0xf8 +#define LVL2_CLK_GATE_OVRC 0x3a0 +#define LVL2_CLK_GATE_OVRD 0x3a4 +#define LVL2_CLK_GATE_OVRE 0x554 + +/* I2S registers to handle during APE MBIST WAR */ +#define TEGRA210_I2S_BASE 0x1000 +#define TEGRA210_I2S_SIZE 0x100 +#define TEGRA210_I2S_CTRLS 5 +#define TEGRA210_I2S_CG 0x88 +#define TEGRA210_I2S_CTRL 0xa0 + +/* DISPA registers to handle during MBIST WAR */ +#define DC_CMD_DISPLAY_COMMAND 0xc8 +#define DC_COM_DSC_TOP_CTL 0xcf8 + +/* VIC register to handle during MBIST WAR */ +#define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c + +/* APE, DISPA and VIC base addesses needed for MBIST WAR */ +#define TEGRA210_AHUB_BASE 0x702d0000 +#define TEGRA210_DISPA_BASE 0x54200000 +#define TEGRA210_VIC_BASE 0x54340000 + /* * SDM fractional divisor is 16-bit 2's complement signed number within * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned @@ -255,8 +282,22 @@ static struct cpu_clk_suspend_context { } tegra210_cpu_clk_sctx; #endif +struct tegra210_domain_mbist_war { + void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist); + const u32 lvl2_offset; + const u32 lvl2_mask; + const unsigned int num_clks; + const unsigned int *clk_init_data; + struct clk_bulk_data *clks; +}; + +static struct clk **clks; + static void __iomem *clk_base; static void __iomem *pmc_base; +static void __iomem *ahub_base; +static void __iomem *dispa_base; +static void __iomem *vic_base; static unsigned long osc_freq; static unsigned long pll_ref_freq; @@ -267,6 +308,7 @@ static DEFINE_SPINLOCK(pll_re_lock); static DEFINE_SPINLOCK(pll_u_lock); static DEFINE_SPINLOCK(sor1_lock); static DEFINE_SPINLOCK(emc_lock); +static DEFINE_MUTEX(lvl2_ovr_lock); /* possible OSC frequencies in Hz */ static unsigned long tegra210_input_freq[] = { @@ -310,6 +352,8 @@ static const char *mux_pllmcp_clkm[] = { #define PLLA_MISC2_WRITE_MASK 0x06ffffff /* PLLD */ +#define PLLD_BASE_CSI_CLKSOURCE (1 << 23) + #define PLLD_MISC0_EN_SDM (1 << 16) #define PLLD_MISC0_LOCK_OVERRIDE (1 << 17) #define PLLD_MISC0_LOCK_ENABLE (1 << 18) @@ -513,6 +557,115 @@ void tegra210_set_sata_pll_seq_sw(bool state) } EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw); +static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist) +{ + u32 val; + + val = readl_relaxed(clk_base + mbist->lvl2_offset); + writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset); + fence_udelay(1, clk_base); + writel_relaxed(val, clk_base + mbist->lvl2_offset); + fence_udelay(1, clk_base); +} + +static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist) +{ + u32 csi_src, ovra, ovre; + unsigned long flags = 0; + + spin_lock_irqsave(&pll_d_lock, flags); + + csi_src = readl_relaxed(clk_base + PLLD_BASE); + writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE); + fence_udelay(1, clk_base); + + ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); + writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA); + ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); + writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE); + fence_udelay(1, clk_base); + + writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); + writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); + writel_relaxed(csi_src, clk_base + PLLD_BASE); + fence_udelay(1, clk_base); + + spin_unlock_irqrestore(&pll_d_lock, flags); +} + +static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist) +{ + u32 ovra, dsc_top_ctrl; + + ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA); + writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA); + fence_udelay(1, clk_base); + + dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL); + writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL); + readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); + writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL); + readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND); + + writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA); + fence_udelay(1, clk_base); +} + +static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist) +{ + u32 ovre, val; + + ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); + writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE); + fence_udelay(1, clk_base); + + val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); + writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24), + vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); + fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); + + writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); + readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW); + + writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); + fence_udelay(1, clk_base); +} + +static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist) +{ + void __iomem *i2s_base; + unsigned int i; + u32 ovrc, ovre; + + ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC); + ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE); + writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC); + writel_relaxed(ovre | BIT(10) | BIT(11), + clk_base + LVL2_CLK_GATE_OVRE); + fence_udelay(1, clk_base); + + i2s_base = ahub_base + TEGRA210_I2S_BASE; + + for (i = 0; i < TEGRA210_I2S_CTRLS; i++) { + u32 i2s_ctrl; + + i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL); + writel_relaxed(i2s_ctrl | BIT(10), + i2s_base + TEGRA210_I2S_CTRL); + writel_relaxed(0, i2s_base + TEGRA210_I2S_CG); + readl(i2s_base + TEGRA210_I2S_CG); + writel_relaxed(1, i2s_base + TEGRA210_I2S_CG); + writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL); + readl(i2s_base + TEGRA210_I2S_CTRL); + + i2s_base += TEGRA210_I2S_SIZE; + } + + writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC); + writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE); + fence_udelay(1, clk_base); +} + static inline void _pll_misc_chk_default(void __iomem *base, struct tegra_clk_pll_params *params, u8 misc_num, u32 default_val, u32 mask) @@ -2411,13 +2564,150 @@ static struct tegra_audio_clk_info tegra210_audio_plls[] = { { "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" }, }; -static struct clk **clks; - static const char * const aclk_parents[] = { "pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3", "clk_m" }; +static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC }; +static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG }; +static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X, + TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 }; +static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA, + TEGRA210_CLK_HOST1X}; +static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, + TEGRA210_CLK_XUSB_DEV }; +static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST, + TEGRA210_CLK_XUSB_SS }; +static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV, + TEGRA210_CLK_XUSB_SS }; +static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X, + TEGRA210_CLK_PLL_D }; +static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK, + TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2, + TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT, + TEGRA210_CLK_D_AUDIO }; +static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X }; + +static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = { + [TEGRA_POWERGATE_VENC] = { + .handle_lvl2_ovr = tegra210_venc_mbist_war, + .num_clks = ARRAY_SIZE(venc_slcg_clkids), + .clk_init_data = venc_slcg_clkids, + }, + [TEGRA_POWERGATE_SATA] = { + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(0) | BIT(17) | BIT(19), + }, + [TEGRA_POWERGATE_MPE] = { + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRE, + .lvl2_mask = BIT(2), + }, + [TEGRA_POWERGATE_SOR] = { + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .num_clks = ARRAY_SIZE(sor_slcg_clkids), + .clk_init_data = sor_slcg_clkids, + .lvl2_offset = LVL2_CLK_GATE_OVRA, + .lvl2_mask = BIT(1) | BIT(2), + }, + [TEGRA_POWERGATE_DIS] = { + .handle_lvl2_ovr = tegra210_disp_mbist_war, + .num_clks = ARRAY_SIZE(disp_slcg_clkids), + .clk_init_data = disp_slcg_clkids, + }, + [TEGRA_POWERGATE_DISB] = { + .num_clks = ARRAY_SIZE(disp_slcg_clkids), + .clk_init_data = disp_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRA, + .lvl2_mask = BIT(2), + }, + [TEGRA_POWERGATE_XUSBA] = { + .num_clks = ARRAY_SIZE(xusba_slcg_clkids), + .clk_init_data = xusba_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(30) | BIT(31), + }, + [TEGRA_POWERGATE_XUSBB] = { + .num_clks = ARRAY_SIZE(xusbb_slcg_clkids), + .clk_init_data = xusbb_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(30) | BIT(31), + }, + [TEGRA_POWERGATE_XUSBC] = { + .num_clks = ARRAY_SIZE(xusbc_slcg_clkids), + .clk_init_data = xusbc_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(30) | BIT(31), + }, + [TEGRA_POWERGATE_VIC] = { + .num_clks = ARRAY_SIZE(vic_slcg_clkids), + .clk_init_data = vic_slcg_clkids, + .handle_lvl2_ovr = tegra210_vic_mbist_war, + }, + [TEGRA_POWERGATE_NVDEC] = { + .num_clks = ARRAY_SIZE(nvdec_slcg_clkids), + .clk_init_data = nvdec_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(9) | BIT(31), + }, + [TEGRA_POWERGATE_NVJPG] = { + .num_clks = ARRAY_SIZE(nvjpg_slcg_clkids), + .clk_init_data = nvjpg_slcg_clkids, + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRC, + .lvl2_mask = BIT(9) | BIT(31), + }, + [TEGRA_POWERGATE_AUD] = { + .num_clks = ARRAY_SIZE(ape_slcg_clkids), + .clk_init_data = ape_slcg_clkids, + .handle_lvl2_ovr = tegra210_ape_mbist_war, + }, + [TEGRA_POWERGATE_VE2] = { + .handle_lvl2_ovr = tegra210_generic_mbist_war, + .lvl2_offset = LVL2_CLK_GATE_OVRD, + .lvl2_mask = BIT(22), + }, +}; + +int tegra210_clk_handle_mbist_war(unsigned int id) +{ + int err; + struct tegra210_domain_mbist_war *mbist_war; + + if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) { + WARN(1, "unknown domain id in MBIST WAR handler\n"); + return -EINVAL; + } + + mbist_war = &tegra210_pg_mbist_war[id]; + if (!mbist_war->handle_lvl2_ovr) + return 0; + + if (mbist_war->num_clks && !mbist_war->clks) + return -ENODEV; + + err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks); + if (err < 0) + return err; + + mutex_lock(&lvl2_ovr_lock); + + mbist_war->handle_lvl2_ovr(mbist_war); + + mutex_unlock(&lvl2_ovr_lock); + + clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks); + + return 0; +} + void tegra210_put_utmipll_in_iddq(void) { u32 reg; @@ -2654,6 +2944,13 @@ static struct tegra_periph_init_data tegra210_periph[] = { sor1_parents_idx, 0, &sor1_lock), }; +static const char * const la_parents[] = { + "pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0" +}; + +static struct tegra_clk_periph tegra210_la = + TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0); + static __init void tegra210_periph_clk_init(void __iomem *clk_base, void __iomem *pmc_base) { @@ -2700,6 +2997,12 @@ static __init void tegra210_periph_clk_init(void __iomem *clk_base, periph_clk_enb_refcnt); clks[TEGRA210_CLK_DSIB] = clk; + /* la */ + clk = tegra_clk_register_periph("la", la_parents, + ARRAY_SIZE(la_parents), &tegra210_la, clk_base, + CLK_SOURCE_LA, 0); + clks[TEGRA210_CLK_LA] = clk; + /* emc mux */ clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm, ARRAY_SIZE(mux_pllmcp_clkm), 0, @@ -3025,7 +3328,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 }, { TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 }, { TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 }, - { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 1 }, + { TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 }, { TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 }, { TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 }, { TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 }, @@ -3040,7 +3343,6 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 }, { TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 }, { TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 }, - { TEGRA210_CLK_EMC, TEGRA210_CLK_CLK_MAX, 0, 1 }, { TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 }, { TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 }, /* TODO find a way to enable this on-demand */ @@ -3149,6 +3451,37 @@ static int tegra210_reset_deassert(unsigned long id) return 0; } +static void tegra210_mbist_clk_init(void) +{ + unsigned int i, j; + + for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) { + unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks; + struct clk_bulk_data *clk_data; + + if (!num_clks) + continue; + + clk_data = kmalloc_array(num_clks, sizeof(*clk_data), + GFP_KERNEL); + if (WARN_ON(!clk_data)) + return; + + tegra210_pg_mbist_war[i].clks = clk_data; + for (j = 0; j < num_clks; j++) { + int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j]; + struct clk *clk = clks[clk_id]; + + if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) { + kfree(clk_data); + tegra210_pg_mbist_war[i].clks = NULL; + break; + } + clk_data[j].clk = clk; + } + } +} + /** * tegra210_clock_init - Tegra210-specific clock initialization * @np: struct device_node * of the DT node for the SoC CAR IP block @@ -3183,6 +3516,24 @@ static void __init tegra210_clock_init(struct device_node *np) return; } + ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K); + if (!ahub_base) { + pr_err("ioremap tegra210 APE failed\n"); + return; + } + + dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K); + if (!dispa_base) { + pr_err("ioremap tegra210 DISPA failed\n"); + return; + } + + vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K); + if (!vic_base) { + pr_err("ioremap tegra210 VIC failed\n"); + return; + } + clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX, TEGRA210_CAR_BANK_COUNT); if (!clks) @@ -3219,6 +3570,8 @@ static void __init tegra210_clock_init(struct device_node *np) tegra_add_of_provider(np); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); + tegra210_mbist_clk_init(); + tegra_cpu_car_ops = &tegra210_cpu_car_ops; } CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init); diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index bee84c554932..b316dfb6f6c7 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -819,6 +819,7 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = { [tegra_clk_pll_a] = { .dt_id = TEGRA30_CLK_PLL_A, .present = true }, [tegra_clk_pll_a_out0] = { .dt_id = TEGRA30_CLK_PLL_A_OUT0, .present = true }, [tegra_clk_cec] = { .dt_id = TEGRA30_CLK_CEC, .present = true }, + [tegra_clk_emc] = { .dt_id = TEGRA30_CLK_EMC, .present = true }, }; static const char *pll_e_parents[] = { "pll_ref", "pll_p" }; @@ -843,8 +844,7 @@ static void __init tegra30_pll_init(void) /* PLLM */ clk = tegra_clk_register_pll("pll_m", "pll_ref", clk_base, pmc_base, - CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE, - &pll_m_params, NULL); + CLK_SET_RATE_GATE, &pll_m_params, NULL); clks[TEGRA30_CLK_PLL_M] = clk; /* PLLM_OUT1 */ @@ -852,7 +852,7 @@ static void __init tegra30_pll_init(void) clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP, 8, 8, 1, NULL); clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div", - clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED | + clk_base + PLLM_OUT, 1, 0, CLK_SET_RATE_PARENT, 0, NULL); clks[TEGRA30_CLK_PLL_M_OUT1] = clk; @@ -990,7 +990,7 @@ static void __init tegra30_super_clk_init(void) /* SCLK */ clk = tegra_clk_register_super_mux("sclk", sclk_parents, ARRAY_SIZE(sclk_parents), - CLK_SET_RATE_PARENT, + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, clk_base + SCLK_BURST_POLICY, 0, 4, 0, 0, NULL); clks[TEGRA30_CLK_SCLK] = clk; @@ -1060,9 +1060,6 @@ static void __init tegra30_periph_clk_init(void) CLK_SET_RATE_NO_REPARENT, clk_base + CLK_SOURCE_EMC, 30, 2, 0, &emc_lock); - clk = tegra_clk_register_periph_gate("emc", "emc_mux", 0, clk_base, 0, - 57, periph_clk_enb_refcnt); - clks[TEGRA30_CLK_EMC] = clk; clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC, &emc_lock); @@ -1252,10 +1249,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA30_CLK_SDMMC1, TEGRA30_CLK_PLL_P, 48000000, 0 }, { TEGRA30_CLK_SDMMC2, TEGRA30_CLK_PLL_P, 48000000, 0 }, { TEGRA30_CLK_SDMMC3, TEGRA30_CLK_PLL_P, 48000000, 0 }, - { TEGRA30_CLK_PLL_M, TEGRA30_CLK_CLK_MAX, 0, 1 }, - { TEGRA30_CLK_PCLK, TEGRA30_CLK_CLK_MAX, 0, 1 }, { TEGRA30_CLK_CSITE, TEGRA30_CLK_CLK_MAX, 0, 1 }, - { TEGRA30_CLK_EMC, TEGRA30_CLK_CLK_MAX, 0, 1 }, { TEGRA30_CLK_MSELECT, TEGRA30_CLK_CLK_MAX, 0, 1 }, { TEGRA30_CLK_SBC1, TEGRA30_CLK_PLL_P, 100000000, 0 }, { TEGRA30_CLK_SBC2, TEGRA30_CLK_PLL_P, 100000000, 0 }, @@ -1272,6 +1266,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA30_CLK_GR3D, TEGRA30_CLK_PLL_C, 300000000, 0 }, { TEGRA30_CLK_GR3D2, TEGRA30_CLK_PLL_C, 300000000, 0 }, { TEGRA30_CLK_PLL_U, TEGRA30_CLK_CLK_MAX, 480000000, 0 }, + { TEGRA30_CLK_VDE, TEGRA30_CLK_CLK_MAX, 600000000, 0 }, /* must be the last entry */ { TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 }, }; diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 3b2763df51c2..ba7e20e6a82b 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -812,4 +812,11 @@ int tegra_pll_wait_for_lock(struct tegra_clk_pll *pll); u16 tegra_pll_get_fixed_mdiv(struct clk_hw *hw, unsigned long input_rate); int tegra_pll_p_div_to_hw(struct tegra_clk_pll *pll, u8 p_div); +/* Combined read fence with delay */ +#define fence_udelay(delay, reg) \ + do { \ + readl(reg); \ + udelay(delay); \ + } while (0) + #endif /* TEGRA_CLK_H */ diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c index f4d6802a8544..7d22e1af2247 100644 --- a/drivers/clk/ti/clk.c +++ b/drivers/clk/ti/clk.c @@ -55,6 +55,29 @@ static void clk_memmap_writel(u32 val, const struct clk_omap_reg *reg) writel_relaxed(val, io->mem + reg->offset); } +static void _clk_rmw(u32 val, u32 mask, void __iomem *ptr) +{ + u32 v; + + v = readl_relaxed(ptr); + v &= ~mask; + v |= val; + writel_relaxed(v, ptr); +} + +static void clk_memmap_rmw(u32 val, u32 mask, const struct clk_omap_reg *reg) +{ + struct clk_iomap *io = clk_memmaps[reg->index]; + + if (reg->ptr) { + _clk_rmw(val, mask, reg->ptr); + } else if (io->regmap) { + regmap_update_bits(io->regmap, reg->offset, mask, val); + } else { + _clk_rmw(val, mask, io->mem + reg->offset); + } +} + static u32 clk_memmap_readl(const struct clk_omap_reg *reg) { u32 val; @@ -89,6 +112,7 @@ int ti_clk_setup_ll_ops(struct ti_clk_ll_ops *ops) ti_clk_ll_ops = ops; ops->clk_readl = clk_memmap_readl; ops->clk_writel = clk_memmap_writel; + ops->clk_rmw = clk_memmap_rmw; return 0; } @@ -251,6 +275,20 @@ int ti_clk_get_reg_addr(struct device_node *node, int index, return 0; } +void ti_clk_latch(struct clk_omap_reg *reg, s8 shift) +{ + u32 latch; + + if (shift < 0) + return; + + latch = 1 << shift; + + ti_clk_ll_ops->clk_rmw(latch, latch, reg); + ti_clk_ll_ops->clk_rmw(0, latch, reg); + ti_clk_ll_ops->clk_readl(reg); /* OCP barrier */ +} + /** * omap2_clk_provider_init - init master clock provider * @parent: master node diff --git a/drivers/clk/ti/clock.h b/drivers/clk/ti/clock.h index d9b43bfc2532..b58278077226 100644 --- a/drivers/clk/ti/clock.h +++ b/drivers/clk/ti/clock.h @@ -22,6 +22,7 @@ struct clk_omap_divider { u8 shift; u8 width; u8 flags; + s8 latch; const struct clk_div_table *table; }; @@ -33,6 +34,7 @@ struct clk_omap_mux { u32 *table; u32 mask; u8 shift; + s8 latch; u8 flags; }; @@ -74,6 +76,11 @@ enum { #define CLKF_CORE (1 << 9) #define CLKF_J_TYPE (1 << 10) +/* CLKCTRL flags */ +#define CLKF_SW_SUP BIT(5) +#define CLKF_HW_SUP BIT(6) +#define CLKF_NO_IDLEST BIT(7) + #define CLK(dev, con, ck) \ { \ .lk = { \ @@ -183,10 +190,6 @@ extern const struct omap_clkctrl_data am438x_clkctrl_data[]; extern const struct omap_clkctrl_data dm814_clkctrl_data[]; extern const struct omap_clkctrl_data dm816_clkctrl_data[]; -#define CLKF_SW_SUP BIT(0) -#define CLKF_HW_SUP BIT(1) -#define CLKF_NO_IDLEST BIT(2) - typedef void (*ti_of_clk_init_cb_t)(void *, struct device_node *); struct clk *ti_clk_register(struct device *dev, struct clk_hw *hw, @@ -194,6 +197,8 @@ struct clk *ti_clk_register(struct device *dev, struct clk_hw *hw, int ti_clk_add_alias(struct device *dev, struct clk *clk, const char *con); void ti_clk_add_aliases(void); +void ti_clk_latch(struct clk_omap_reg *reg, s8 shift); + struct clk_hw *ti_clk_build_component_mux(struct ti_clk_mux *setup); int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div, diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c index 77f93f6d2806..aaa277dd6d99 100644 --- a/drivers/clk/ti/divider.c +++ b/drivers/clk/ti/divider.c @@ -263,6 +263,8 @@ static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate, val |= value << divider->shift; ti_clk_ll_ops->clk_writel(val, ÷r->reg); + ti_clk_latch(÷r->reg, divider->latch); + return 0; } @@ -276,7 +278,8 @@ static struct clk *_register_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, struct clk_omap_reg *reg, - u8 shift, u8 width, u8 clk_divider_flags, + u8 shift, u8 width, s8 latch, + u8 clk_divider_flags, const struct clk_div_table *table) { struct clk_omap_divider *div; @@ -305,6 +308,7 @@ static struct clk *_register_divider(struct device *dev, const char *name, memcpy(&div->reg, reg, sizeof(*reg)); div->shift = shift; div->width = width; + div->latch = latch; div->flags = clk_divider_flags; div->hw.init = &init; div->table = table; @@ -420,6 +424,7 @@ struct clk_hw *ti_clk_build_component_div(struct ti_clk_divider *setup) div->table = _get_div_table_from_setup(setup, &div->width); div->shift = setup->bit_shift; + div->latch = -EINVAL; return &div->hw; } @@ -452,7 +457,7 @@ struct clk *ti_clk_register_divider(struct ti_clk *setup) clk = _register_divider(NULL, setup->name, div->parent, flags, ®, div->bit_shift, - width, div_flags, table); + width, -EINVAL, div_flags, table); if (IS_ERR(clk)) kfree(table); @@ -556,7 +561,7 @@ static int _get_divider_width(struct device_node *node, static int __init ti_clk_divider_populate(struct device_node *node, struct clk_omap_reg *reg, const struct clk_div_table **table, - u32 *flags, u8 *div_flags, u8 *width, u8 *shift) + u32 *flags, u8 *div_flags, u8 *width, u8 *shift, s8 *latch) { u32 val; int ret; @@ -570,6 +575,13 @@ static int __init ti_clk_divider_populate(struct device_node *node, else *shift = 0; + if (latch) { + if (!of_property_read_u32(node, "ti,latch-bit", &val)) + *latch = val; + else + *latch = -EINVAL; + } + *flags = 0; *div_flags = 0; @@ -606,17 +618,18 @@ static void __init of_ti_divider_clk_setup(struct device_node *node) u8 clk_divider_flags = 0; u8 width = 0; u8 shift = 0; + s8 latch = -EINVAL; const struct clk_div_table *table = NULL; u32 flags = 0; parent_name = of_clk_get_parent_name(node, 0); if (ti_clk_divider_populate(node, ®, &table, &flags, - &clk_divider_flags, &width, &shift)) + &clk_divider_flags, &width, &shift, &latch)) goto cleanup; clk = _register_divider(NULL, node->name, parent_name, flags, ®, - shift, width, clk_divider_flags, table); + shift, width, latch, clk_divider_flags, table); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); @@ -639,7 +652,8 @@ static void __init of_ti_composite_divider_clk_setup(struct device_node *node) return; if (ti_clk_divider_populate(node, &div->reg, &div->table, &val, - &div->flags, &div->width, &div->shift) < 0) + &div->flags, &div->width, &div->shift, + NULL) < 0) goto cleanup; if (!ti_clk_add_component(node, &div->hw, CLK_COMPONENT_TYPE_DIVIDER)) diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c index d4705803f3d3..69a4308a5a98 100644 --- a/drivers/clk/ti/mux.c +++ b/drivers/clk/ti/mux.c @@ -86,6 +86,7 @@ static int ti_clk_mux_set_parent(struct clk_hw *hw, u8 index) } val |= index << mux->shift; ti_clk_ll_ops->clk_writel(val, &mux->reg); + ti_clk_latch(&mux->reg, mux->latch); return 0; } @@ -100,7 +101,7 @@ static struct clk *_register_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned long flags, struct clk_omap_reg *reg, u8 shift, u32 mask, - u8 clk_mux_flags, u32 *table) + s8 latch, u8 clk_mux_flags, u32 *table) { struct clk_omap_mux *mux; struct clk *clk; @@ -121,6 +122,7 @@ static struct clk *_register_mux(struct device *dev, const char *name, memcpy(&mux->reg, reg, sizeof(*reg)); mux->shift = shift; mux->mask = mask; + mux->latch = latch; mux->flags = clk_mux_flags; mux->table = table; mux->hw.init = &init; @@ -160,7 +162,7 @@ struct clk *ti_clk_register_mux(struct ti_clk *setup) flags |= CLK_SET_RATE_PARENT; return _register_mux(NULL, setup->name, mux->parents, mux->num_parents, - flags, ®, mux->bit_shift, mask, + flags, ®, mux->bit_shift, mask, -EINVAL, mux_flags, NULL); } @@ -179,6 +181,7 @@ static void of_mux_clk_setup(struct device_node *node) u8 clk_mux_flags = 0; u32 mask = 0; u32 shift = 0; + s32 latch = -EINVAL; u32 flags = CLK_SET_RATE_NO_REPARENT; num_parents = of_clk_get_parent_count(node); @@ -197,6 +200,8 @@ static void of_mux_clk_setup(struct device_node *node) of_property_read_u32(node, "ti,bit-shift", &shift); + of_property_read_u32(node, "ti,latch-bit", &latch); + if (of_property_read_bool(node, "ti,index-starts-at-one")) clk_mux_flags |= CLK_MUX_INDEX_ONE; @@ -211,7 +216,8 @@ static void of_mux_clk_setup(struct device_node *node) mask = (1 << fls(mask)) - 1; clk = _register_mux(NULL, node->name, parent_names, num_parents, - flags, ®, shift, mask, clk_mux_flags, NULL); + flags, ®, shift, mask, latch, clk_mux_flags, + NULL); if (!IS_ERR(clk)) of_clk_add_provider(node, of_clk_src_simple_get, clk); @@ -234,6 +240,7 @@ struct clk_hw *ti_clk_build_component_mux(struct ti_clk_mux *setup) return ERR_PTR(-ENOMEM); mux->shift = setup->bit_shift; + mux->latch = -EINVAL; mux->reg.index = setup->module; mux->reg.offset = setup->reg; diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c index d244e724e198..ebc78ab2df05 100644 --- a/drivers/clk/uniphier/clk-uniphier-sys.c +++ b/drivers/clk/uniphier/clk-uniphier-sys.c @@ -57,6 +57,14 @@ #define UNIPHIER_PRO4_SYS_CLK_USB3(idx, ch) \ UNIPHIER_CLK_GATE("usb3" #ch, (idx), NULL, 0x2104, 16 + (ch)) +#define UNIPHIER_PRO4_SYS_CLK_AIO(idx) \ + UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 8), \ + UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13) + +#define UNIPHIER_PRO5_SYS_CLK_AIO(idx) \ + UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 12), \ + UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2104, 13) + #define UNIPHIER_LD11_SYS_CLK_AIO(idx) \ UNIPHIER_CLK_FACTOR("aio-io200m", -1, "spll", 1, 10), \ UNIPHIER_CLK_GATE("aio", (idx), "aio-io200m", 0x2108, 0) @@ -94,16 +102,22 @@ const struct uniphier_clk_data uniphier_pro4_sys_clk_data[] = { UNIPHIER_CLK_FACTOR("upll", -1, "ref", 288, 25), /* 288 MHz */ UNIPHIER_CLK_FACTOR("a2pll", -1, "upll", 256, 125), /* 589.824 MHz */ UNIPHIER_CLK_FACTOR("vpll27a", -1, "ref", 270, 25), /* 270 MHz */ + UNIPHIER_CLK_FACTOR("gpll", -1, "ref", 10, 1), /* 250 MHz */ UNIPHIER_CLK_FACTOR("uart", 0, "a2pll", 1, 8), UNIPHIER_CLK_FACTOR("i2c", 1, "spll", 1, 32), UNIPHIER_LD4_SYS_CLK_NAND(2), UNIPHIER_LD4_SYS_CLK_SD, UNIPHIER_CLK_FACTOR("usb2", -1, "upll", 1, 12), UNIPHIER_PRO4_SYS_CLK_ETHER(6), + UNIPHIER_CLK_GATE("ether-gb", 7, "gpll", 0x2104, 5), UNIPHIER_LD4_SYS_CLK_STDMAC(8), /* HSC, MIO, RLE */ + UNIPHIER_CLK_GATE("ether-phy", 10, "ref", 0x2260, 0), UNIPHIER_PRO4_SYS_CLK_GIO(12), /* Ether, SATA, USB3 */ UNIPHIER_PRO4_SYS_CLK_USB3(14, 0), UNIPHIER_PRO4_SYS_CLK_USB3(15, 1), + UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 18), + UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x2104, 19), + UNIPHIER_PRO4_SYS_CLK_AIO(40), { /* sentinel */ } }; @@ -132,6 +146,8 @@ const struct uniphier_clk_data uniphier_pro5_sys_clk_data[] = { UNIPHIER_PRO4_SYS_CLK_GIO(12), /* PCIe, USB3 */ UNIPHIER_PRO4_SYS_CLK_USB3(14, 0), UNIPHIER_PRO4_SYS_CLK_USB3(15, 1), + UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x2108, 2), + UNIPHIER_PRO5_SYS_CLK_AIO(40), { /* sentinel */ } }; @@ -149,6 +165,8 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = { /* The document mentions 0x2104 bit 18, but not functional */ UNIPHIER_CLK_GATE("usb30-phy", 16, NULL, 0x2104, 19), UNIPHIER_CLK_GATE("usb31-phy", 20, NULL, 0x2104, 20), + UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x2104, 22), + UNIPHIER_PRO5_SYS_CLK_AIO(40), { /* sentinel */ } }; @@ -205,6 +223,7 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = { UNIPHIER_CLK_GATE("usb30", 14, NULL, 0x210c, 14), UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 12), UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 13), + UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 4), UNIPHIER_LD11_SYS_CLK_AIO(40), UNIPHIER_LD11_SYS_CLK_EVEA(41), UNIPHIER_LD11_SYS_CLK_EXIV(42), @@ -233,6 +252,8 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = { UNIPHIER_LD20_SYS_CLK_SD, UNIPHIER_LD11_SYS_CLK_NAND(2), UNIPHIER_LD11_SYS_CLK_EMMC(4), + UNIPHIER_CLK_GATE("ether0", 6, NULL, 0x210c, 9), + UNIPHIER_CLK_GATE("ether1", 7, NULL, 0x210c, 10), UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4), /* =GIO0 */ UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5), /* =GIO1 */ UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6), /* =GIO1-1 */ @@ -241,6 +262,10 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = { UNIPHIER_CLK_GATE("usb30-phy2", 18, NULL, 0x210c, 20), UNIPHIER_CLK_GATE("usb31-phy0", 20, NULL, 0x210c, 17), UNIPHIER_CLK_GATE("usb31-phy1", 21, NULL, 0x210c, 19), + UNIPHIER_CLK_GATE("pcie", 24, NULL, 0x210c, 3), + UNIPHIER_CLK_GATE("sata0", 28, NULL, 0x210c, 7), + UNIPHIER_CLK_GATE("sata1", 29, NULL, 0x210c, 8), + UNIPHIER_CLK_GATE("sata-phy", 30, NULL, 0x210c, 21), /* CPU gears */ UNIPHIER_CLK_DIV4("cpll", 2, 3, 4, 8), UNIPHIER_CLK_DIV4("spll", 2, 3, 4, 8), diff --git a/drivers/clk/ux500/Makefile b/drivers/clk/ux500/Makefile index fedc083dc8be..53fd29002401 100644 --- a/drivers/clk/ux500/Makefile +++ b/drivers/clk/ux500/Makefile @@ -10,8 +10,6 @@ obj-y += clk-sysctrl.o # Clock definitions obj-y += u8500_of_clk.o -obj-y += u9540_clk.o -obj-y += u8540_clk.o # ABX500 clock driver obj-y += abx500-clk.o diff --git a/drivers/clk/ux500/abx500-clk.c b/drivers/clk/ux500/abx500-clk.c index 2257d12ba988..5a86cd8fe5de 100644 --- a/drivers/clk/ux500/abx500-clk.c +++ b/drivers/clk/ux500/abx500-clk.c @@ -88,18 +88,6 @@ static int ab8500_reg_clks(struct device *dev) return 0; } -/* Clock definitions for ab8540 */ -static int ab8540_reg_clks(struct device *dev) -{ - return 0; -} - -/* Clock definitions for ab9540 */ -static int ab9540_reg_clks(struct device *dev) -{ - return 0; -} - static int abx500_clk_probe(struct platform_device *pdev) { struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent); @@ -107,10 +95,6 @@ static int abx500_clk_probe(struct platform_device *pdev) if (is_ab8500(parent) || is_ab8505(parent)) { ret = ab8500_reg_clks(&pdev->dev); - } else if (is_ab8540(parent)) { - ret = ab8540_reg_clks(&pdev->dev); - } else if (is_ab9540(parent)) { - ret = ab9540_reg_clks(&pdev->dev); } else { dev_err(&pdev->dev, "non supported plf id\n"); return -ENODEV; diff --git a/drivers/clk/ux500/u8540_clk.c b/drivers/clk/ux500/u8540_clk.c deleted file mode 100644 index 133859f0e2bf..000000000000 --- a/drivers/clk/ux500/u8540_clk.c +++ /dev/null @@ -1,597 +0,0 @@ -/* - * Clock definitions for u8540 platform. - * - * Copyright (C) 2012 ST-Ericsson SA - * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * License terms: GNU General Public License (GPL) version 2 - */ - -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/clkdev.h> -#include <linux/clk-provider.h> -#include <linux/mfd/dbx500-prcmu.h> -#include "clk.h" - -/* CLKRST4 is missing making it hard to index things */ -enum clkrst_index { - CLKRST1_INDEX = 0, - CLKRST2_INDEX, - CLKRST3_INDEX, - CLKRST5_INDEX, - CLKRST6_INDEX, - CLKRST_MAX, -}; - -static void u8540_clk_init(struct device_node *np) -{ - struct clk *clk; - u32 bases[CLKRST_MAX]; - int i; - - for (i = 0; i < ARRAY_SIZE(bases); i++) { - struct resource r; - - if (of_address_to_resource(np, i, &r)) - /* Not much choice but to continue */ - pr_err("failed to get CLKRST %d base address\n", - i + 1); - bases[i] = r.start; - } - - /* Clock sources. */ - /* Fixed ClockGen */ - clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0, - CLK_IGNORE_UNUSED); - clk_register_clkdev(clk, "soc0_pll", NULL); - - clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1, - CLK_IGNORE_UNUSED); - clk_register_clkdev(clk, "soc1_pll", NULL); - - clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR, - CLK_IGNORE_UNUSED); - clk_register_clkdev(clk, "ddr_pll", NULL); - - clk = clk_register_fixed_rate(NULL, "rtc32k", NULL, - CLK_IGNORE_UNUSED, - 32768); - clk_register_clkdev(clk, "clk32k", NULL); - clk_register_clkdev(clk, "apb_pclk", "rtc-pl031"); - - clk = clk_register_fixed_rate(NULL, "ulp38m4", NULL, - CLK_IGNORE_UNUSED, - 38400000); - - clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0); - clk_register_clkdev(clk, NULL, "UART"); - - /* msp02clk needs a abx500 clk as parent. Handle by abx500 clk driver */ - clk = clk_reg_prcmu_gate("msp02clk", "ab9540_sysclk12_b1", - PRCMU_MSP02CLK, 0); - clk_register_clkdev(clk, NULL, "MSP02"); - - clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0); - clk_register_clkdev(clk, NULL, "MSP1"); - - clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0); - clk_register_clkdev(clk, NULL, "I2C"); - - clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0); - clk_register_clkdev(clk, NULL, "slim"); - - clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH1"); - - clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH2"); - - clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH3"); - - clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH5"); - - clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH6"); - - clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0); - clk_register_clkdev(clk, NULL, "PERIPH7"); - - clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "lcd"); - clk_register_clkdev(clk, "lcd", "mcde"); - - clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0); - clk_register_clkdev(clk, NULL, "bml"); - - clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0, - CLK_SET_RATE_GATE); - - clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0, - CLK_SET_RATE_GATE); - - clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "hdmi"); - clk_register_clkdev(clk, "hdmi", "mcde"); - - clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0); - clk_register_clkdev(clk, NULL, "apeat"); - - clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK, 0); - clk_register_clkdev(clk, NULL, "apetrace"); - - clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0); - clk_register_clkdev(clk, NULL, "mcde"); - clk_register_clkdev(clk, "mcde", "mcde"); - clk_register_clkdev(clk, NULL, "dsilink.0"); - clk_register_clkdev(clk, NULL, "dsilink.1"); - clk_register_clkdev(clk, NULL, "dsilink.2"); - - clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0); - clk_register_clkdev(clk, NULL, "ipi2"); - - clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0); - clk_register_clkdev(clk, NULL, "dsialt"); - - clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0); - clk_register_clkdev(clk, NULL, "dma40.0"); - - clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0); - clk_register_clkdev(clk, NULL, "b2r2"); - clk_register_clkdev(clk, NULL, "b2r2_core"); - clk_register_clkdev(clk, NULL, "U8500-B2R2.0"); - clk_register_clkdev(clk, NULL, "b2r2_1_core"); - - clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "tv"); - clk_register_clkdev(clk, "tv", "mcde"); - - clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0); - clk_register_clkdev(clk, NULL, "SSP"); - - clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0); - clk_register_clkdev(clk, NULL, "rngclk"); - - clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0); - clk_register_clkdev(clk, NULL, "uicc"); - - clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0); - clk_register_clkdev(clk, NULL, "mtu0"); - clk_register_clkdev(clk, NULL, "mtu1"); - - clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, - PRCMU_SDMMCCLK, 100000000, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdmmc"); - - clk = clk_reg_prcmu_opp_volt_scalable("sdmmchclk", NULL, - PRCMU_SDMMCHCLK, 400000000, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdmmchclk"); - - clk = clk_reg_prcmu_gate("hvaclk", NULL, PRCMU_HVACLK, 0); - clk_register_clkdev(clk, NULL, "hva"); - - clk = clk_reg_prcmu_gate("g1clk", NULL, PRCMU_G1CLK, 0); - clk_register_clkdev(clk, NULL, "g1"); - - clk = clk_reg_prcmu_scalable("spare1clk", NULL, PRCMU_SPARE1CLK, 0, - CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsilcd", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk", - PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsihs2", "mcde"); - clk_register_clkdev(clk, "hs_clk", "dsilink.2"); - - clk = clk_reg_prcmu_scalable("dsilcd_pll", "spare1clk", - PRCMU_PLLDSI_LCD, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsilcd_pll", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll", - PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsihs0", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi0lcdclk", "dsilcd_pll", - PRCMU_DSI0CLK_LCD, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsihs0", "mcde"); - clk_register_clkdev(clk, "hs_clk", "dsilink.0"); - - clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll", - PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsihs1", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi1lcdclk", "dsilcd_pll", - PRCMU_DSI1CLK_LCD, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "dsihs1", "mcde"); - clk_register_clkdev(clk, "hs_clk", "dsilink.1"); - - clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk", - PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "lp_clk", "dsilink.0"); - clk_register_clkdev(clk, "dsilp0", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk", - PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "lp_clk", "dsilink.1"); - clk_register_clkdev(clk, "dsilp1", "mcde"); - - clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk", - PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE); - clk_register_clkdev(clk, "lp_clk", "dsilink.2"); - clk_register_clkdev(clk, "dsilp2", "mcde"); - - clk = clk_reg_prcmu_scalable_rate("armss", NULL, - PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED); - clk_register_clkdev(clk, "armss", NULL); - - clk = clk_register_fixed_factor(NULL, "smp_twd", "armss", - CLK_IGNORE_UNUSED, 1, 2); - clk_register_clkdev(clk, NULL, "smp_twd"); - - /* PRCC P-clocks */ - /* Peripheral 1 : PRCC P-clocks */ - clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX], - BIT(0), 0); - clk_register_clkdev(clk, "apb_pclk", "uart0"); - - clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX], - BIT(1), 0); - clk_register_clkdev(clk, "apb_pclk", "uart1"); - - clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX], - BIT(2), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1"); - - clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX], - BIT(3), 0); - clk_register_clkdev(clk, "apb_pclk", "msp0"); - clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.0"); - - clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX], - BIT(4), 0); - clk_register_clkdev(clk, "apb_pclk", "msp1"); - clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.1"); - - clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX], - BIT(5), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi0"); - - clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX], - BIT(6), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2"); - - clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX], - BIT(7), 0); - clk_register_clkdev(clk, NULL, "spi3"); - - clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX], - BIT(8), 0); - clk_register_clkdev(clk, "apb_pclk", "slimbus0"); - - clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX], - BIT(9), 0); - clk_register_clkdev(clk, NULL, "gpio.0"); - clk_register_clkdev(clk, NULL, "gpio.1"); - clk_register_clkdev(clk, NULL, "gpioblock0"); - clk_register_clkdev(clk, "apb_pclk", "ab85xx-codec.0"); - - clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX], - BIT(10), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4"); - - clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX], - BIT(11), 0); - clk_register_clkdev(clk, "apb_pclk", "msp3"); - clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.3"); - - /* Peripheral 2 : PRCC P-clocks */ - clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX], - BIT(0), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3"); - - clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX], - BIT(1), 0); - clk_register_clkdev(clk, NULL, "spi2"); - - clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX], - BIT(2), 0); - clk_register_clkdev(clk, NULL, "spi1"); - - clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX], - BIT(3), 0); - clk_register_clkdev(clk, NULL, "pwl"); - - clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX], - BIT(4), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi4"); - - clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX], - BIT(5), 0); - clk_register_clkdev(clk, "apb_pclk", "msp2"); - clk_register_clkdev(clk, "apb_pclk", "dbx5x0-msp-i2s.2"); - - clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX], - BIT(6), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi1"); - - clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX], - BIT(7), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi3"); - - clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX], - BIT(8), 0); - clk_register_clkdev(clk, NULL, "spi0"); - - clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX], - BIT(9), 0); - clk_register_clkdev(clk, "hsir_hclk", "ste_hsi.0"); - - clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX], - BIT(10), 0); - clk_register_clkdev(clk, "hsit_hclk", "ste_hsi.0"); - - clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX], - BIT(11), 0); - clk_register_clkdev(clk, NULL, "gpio.6"); - clk_register_clkdev(clk, NULL, "gpio.7"); - clk_register_clkdev(clk, NULL, "gpioblock1"); - - clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX], - BIT(12), 0); - clk_register_clkdev(clk, "msp4-pclk", "ab85xx-codec.0"); - - /* Peripheral 3 : PRCC P-clocks */ - clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX], - BIT(0), 0); - clk_register_clkdev(clk, NULL, "fsmc"); - - clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX], - BIT(1), 0); - clk_register_clkdev(clk, "apb_pclk", "ssp0"); - - clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX], - BIT(2), 0); - clk_register_clkdev(clk, "apb_pclk", "ssp1"); - - clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX], - BIT(3), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0"); - - clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX], - BIT(4), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi2"); - - clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX], - BIT(5), 0); - clk_register_clkdev(clk, "apb_pclk", "ske"); - clk_register_clkdev(clk, "apb_pclk", "nmk-ske-keypad"); - - clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX], - BIT(6), 0); - clk_register_clkdev(clk, "apb_pclk", "uart2"); - - clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX], - BIT(7), 0); - clk_register_clkdev(clk, "apb_pclk", "sdi5"); - - clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX], - BIT(8), 0); - clk_register_clkdev(clk, NULL, "gpio.2"); - clk_register_clkdev(clk, NULL, "gpio.3"); - clk_register_clkdev(clk, NULL, "gpio.4"); - clk_register_clkdev(clk, NULL, "gpio.5"); - clk_register_clkdev(clk, NULL, "gpioblock2"); - - clk = clk_reg_prcc_pclk("p3_pclk9", "per3clk", bases[CLKRST3_INDEX], - BIT(9), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.5"); - - clk = clk_reg_prcc_pclk("p3_pclk10", "per3clk", bases[CLKRST3_INDEX], - BIT(10), 0); - clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.6"); - - clk = clk_reg_prcc_pclk("p3_pclk11", "per3clk", bases[CLKRST3_INDEX], - BIT(11), 0); - clk_register_clkdev(clk, "apb_pclk", "uart3"); - - clk = clk_reg_prcc_pclk("p3_pclk12", "per3clk", bases[CLKRST3_INDEX], - BIT(12), 0); - clk_register_clkdev(clk, "apb_pclk", "uart4"); - - /* Peripheral 5 : PRCC P-clocks */ - clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX], - BIT(0), 0); - clk_register_clkdev(clk, "usb", "musb-ux500.0"); - clk_register_clkdev(clk, "usbclk", "ab-iddet.0"); - - clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX], - BIT(1), 0); - clk_register_clkdev(clk, NULL, "gpio.8"); - clk_register_clkdev(clk, NULL, "gpioblock3"); - - /* Peripheral 6 : PRCC P-clocks */ - clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX], - BIT(0), 0); - clk_register_clkdev(clk, "apb_pclk", "rng"); - - clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX], - BIT(1), 0); - clk_register_clkdev(clk, NULL, "cryp0"); - clk_register_clkdev(clk, NULL, "cryp1"); - - clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX], - BIT(2), 0); - clk_register_clkdev(clk, NULL, "hash0"); - - clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX], - BIT(3), 0); - clk_register_clkdev(clk, NULL, "pka"); - - clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX], - BIT(4), 0); - clk_register_clkdev(clk, NULL, "db8540-hash1"); - - clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX], - BIT(5), 0); - clk_register_clkdev(clk, NULL, "cfgreg"); - - clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX], - BIT(6), 0); - clk_register_clkdev(clk, "apb_pclk", "mtu0"); - - clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX], - BIT(7), 0); - clk_register_clkdev(clk, "apb_pclk", "mtu1"); - - /* - * PRCC K-clocks ==> see table PRCC_PCKEN/PRCC_KCKEN - * This differs from the internal implementation: - * We don't use the PERPIH[n| clock as parent, since those _should_ - * only be used as parents for the P-clocks. - * TODO: "parentjoin" with corresponding P-clocks for all K-clocks. - */ - - /* Peripheral 1 : PRCC K-clocks */ - clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk", - bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "uart0"); - - clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk", - bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "uart1"); - - clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk", - bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.1"); - - clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk", - bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "msp0"); - clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.0"); - - clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk", - bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "msp1"); - clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.1"); - - clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmchclk", - bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi0"); - - clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk", - bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.2"); - - clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk", - bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "slimbus0"); - - clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk", - bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.4"); - - clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk", - bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "msp3"); - clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.3"); - - /* Peripheral 2 : PRCC K-clocks */ - clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk", - bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.3"); - - clk = clk_reg_prcc_kclk("p2_pwl_kclk", "rtc32k", - bases[CLKRST2_INDEX], BIT(1), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "pwl"); - - clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmchclk", - bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi4"); - - clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk", - bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "msp2"); - clk_register_clkdev(clk, NULL, "dbx5x0-msp-i2s.2"); - - clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmchclk", - bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi1"); - - clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk", - bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi3"); - - clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk", - bases[CLKRST2_INDEX], BIT(6), - CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT); - clk_register_clkdev(clk, "hsir_hsirxclk", "ste_hsi.0"); - - clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk", - bases[CLKRST2_INDEX], BIT(7), - CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT); - clk_register_clkdev(clk, "hsit_hsitxclk", "ste_hsi.0"); - - /* Should only be 9540, but might be added for 85xx as well */ - clk = clk_reg_prcc_kclk("p2_msp4_kclk", "msp02clk", - bases[CLKRST2_INDEX], BIT(9), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "msp4"); - clk_register_clkdev(clk, "msp4", "ab85xx-codec.0"); - - /* Peripheral 3 : PRCC K-clocks */ - clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk", - bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "ssp0"); - - clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk", - bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "ssp1"); - - clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk", - bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.0"); - - clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmchclk", - bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi2"); - - clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k", - bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "ske"); - clk_register_clkdev(clk, NULL, "nmk-ske-keypad"); - - clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk", - bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "uart2"); - - clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk", - bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "sdi5"); - - clk = clk_reg_prcc_kclk("p3_i2c5_kclk", "i2cclk", - bases[CLKRST3_INDEX], BIT(8), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.5"); - - clk = clk_reg_prcc_kclk("p3_i2c6_kclk", "i2cclk", - bases[CLKRST3_INDEX], BIT(9), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "nmk-i2c.6"); - - clk = clk_reg_prcc_kclk("p3_uart3_kclk", "uartclk", - bases[CLKRST3_INDEX], BIT(10), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "uart3"); - - clk = clk_reg_prcc_kclk("p3_uart4_kclk", "uartclk", - bases[CLKRST3_INDEX], BIT(11), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "uart4"); - - /* Peripheral 6 : PRCC K-clocks */ - clk = clk_reg_prcc_kclk("p6_rng_kclk", "rngclk", - bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE); - clk_register_clkdev(clk, NULL, "rng"); -} -CLK_OF_DECLARE(u8540_clks, "stericsson,u8540-clks", u8540_clk_init); diff --git a/drivers/clk/ux500/u9540_clk.c b/drivers/clk/ux500/u9540_clk.c deleted file mode 100644 index 7b6bca49ce42..000000000000 --- a/drivers/clk/ux500/u9540_clk.c +++ /dev/null @@ -1,18 +0,0 @@ -/* - * Clock definitions for u9540 platform. - * - * Copyright (C) 2012 ST-Ericsson SA - * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * License terms: GNU General Public License (GPL) version 2 - */ - -#include <linux/clk-provider.h> -#include <linux/mfd/dbx500-prcmu.h> -#include "clk.h" - -static void u9540_clk_init(struct device_node *np) -{ - /* register clocks here */ -} -CLK_OF_DECLARE(u9540_clks, "stericsson,u9540-clks", u9540_clk_init); diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c index e7a868b83fe5..dd08ecb498be 100644 --- a/drivers/clk/versatile/clk-vexpress-osc.c +++ b/drivers/clk/versatile/clk-vexpress-osc.c @@ -44,10 +44,10 @@ static long vexpress_osc_round_rate(struct clk_hw *hw, unsigned long rate, { struct vexpress_osc *osc = to_vexpress_osc(hw); - if (WARN_ON(osc->rate_min && rate < osc->rate_min)) + if (osc->rate_min && rate < osc->rate_min) rate = osc->rate_min; - if (WARN_ON(osc->rate_max && rate > osc->rate_max)) + if (osc->rate_max && rate > osc->rate_max) rate = osc->rate_max; return rate; @@ -104,6 +104,7 @@ static int vexpress_osc_probe(struct platform_device *pdev) return PTR_ERR(clk); of_clk_add_provider(pdev->dev.of_node, of_clk_src_simple_get, clk); + clk_hw_set_rate_range(&osc->hw, osc->rate_min, osc->rate_max); dev_dbg(&pdev->dev, "Registered clock '%s'\n", init.name); diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 9ee2888275c1..8e8a09755d10 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -133,6 +133,14 @@ config VT8500_TIMER help Enables support for the VT8500 driver. +config NPCM7XX_TIMER + bool "NPCM7xx timer driver" if COMPILE_TEST + depends on HAS_IOMEM + select CLKSRC_MMIO + help + Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, + While TIMER0 serves as clockevent and TIMER1 serves as clocksource. + config CADENCE_TTC_TIMER bool "Cadence TTC timer driver" if COMPILE_TEST depends on COMMON_CLK diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index e8e76dfef00b..00caf37e52f9 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -56,6 +56,7 @@ obj-$(CONFIG_CLKSRC_NPS) += timer-nps.o obj-$(CONFIG_OXNAS_RPS_TIMER) += timer-oxnas-rps.o obj-$(CONFIG_OWL_TIMER) += owl-timer.o obj-$(CONFIG_SPRD_TIMER) += timer-sprd.o +obj-$(CONFIG_NPCM7XX_TIMER) += timer-npcm7xx.o obj-$(CONFIG_ARC_TIMERS) += arc_timer.o obj-$(CONFIG_ARM_ARCH_TIMER) += arm_arch_timer.o diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 21bffdcb2f20..05d97a6871d8 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -17,9 +17,14 @@ #include <linux/of_irq.h> #include <linux/sched_clock.h> +#define TPM_PARAM 0x4 +#define TPM_PARAM_WIDTH_SHIFT 16 +#define TPM_PARAM_WIDTH_MASK (0xff << 16) #define TPM_SC 0x10 #define TPM_SC_CMOD_INC_PER_CNT (0x1 << 3) #define TPM_SC_CMOD_DIV_DEFAULT 0x3 +#define TPM_SC_CMOD_DIV_MAX 0x7 +#define TPM_SC_TOF_MASK (0x1 << 7) #define TPM_CNT 0x14 #define TPM_MOD 0x18 #define TPM_STATUS 0x1c @@ -29,8 +34,11 @@ #define TPM_C0SC_MODE_SHIFT 2 #define TPM_C0SC_MODE_MASK 0x3c #define TPM_C0SC_MODE_SW_COMPARE 0x4 +#define TPM_C0SC_CHF_MASK (0x1 << 7) #define TPM_C0V 0x24 +static int counter_width; +static int rating; static void __iomem *timer_base; static struct clock_event_device clockevent_tpm; @@ -83,10 +91,11 @@ static int __init tpm_clocksource_init(unsigned long rate) tpm_delay_timer.freq = rate; register_current_timer_delay(&tpm_delay_timer); - sched_clock_register(tpm_read_sched_clock, 32, rate); + sched_clock_register(tpm_read_sched_clock, counter_width, rate); return clocksource_mmio_init(timer_base + TPM_CNT, "imx-tpm", - rate, 200, 32, clocksource_mmio_readl_up); + rate, rating, counter_width, + clocksource_mmio_readl_up); } static int tpm_set_next_event(unsigned long delta, @@ -139,7 +148,6 @@ static struct clock_event_device clockevent_tpm = { .set_state_oneshot = tpm_set_state_oneshot, .set_next_event = tpm_set_next_event, .set_state_shutdown = tpm_set_state_shutdown, - .rating = 200, }; static int __init tpm_clockevent_init(unsigned long rate, int irq) @@ -149,10 +157,11 @@ static int __init tpm_clockevent_init(unsigned long rate, int irq) ret = request_irq(irq, tpm_timer_interrupt, IRQF_TIMER | IRQF_IRQPOLL, "i.MX7ULP TPM Timer", &clockevent_tpm); + clockevent_tpm.rating = rating; clockevent_tpm.cpumask = cpumask_of(0); clockevent_tpm.irq = irq; - clockevents_config_and_register(&clockevent_tpm, - rate, 300, 0xfffffffe); + clockevents_config_and_register(&clockevent_tpm, rate, 300, + GENMASK(counter_width - 1, 1)); return ret; } @@ -179,7 +188,7 @@ static int __init tpm_timer_init(struct device_node *np) ipg = of_clk_get_by_name(np, "ipg"); per = of_clk_get_by_name(np, "per"); if (IS_ERR(ipg) || IS_ERR(per)) { - pr_err("tpm: failed to get igp or per clk\n"); + pr_err("tpm: failed to get ipg or per clk\n"); ret = -ENODEV; goto err_clk_get; } @@ -197,6 +206,11 @@ static int __init tpm_timer_init(struct device_node *np) goto err_per_clk_enable; } + counter_width = (readl(timer_base + TPM_PARAM) & TPM_PARAM_WIDTH_MASK) + >> TPM_PARAM_WIDTH_SHIFT; + /* use rating 200 for 32-bit counter and 150 for 16-bit counter */ + rating = counter_width == 0x20 ? 200 : 150; + /* * Initialize tpm module to a known state * 1) Counter disabled @@ -205,16 +219,25 @@ static int __init tpm_timer_init(struct device_node *np) * 4) Channel0 disabled * 5) DMA transfers disabled */ + /* make sure counter is disabled */ writel(0, timer_base + TPM_SC); + /* TOF is W1C */ + writel(TPM_SC_TOF_MASK, timer_base + TPM_SC); writel(0, timer_base + TPM_CNT); - writel(0, timer_base + TPM_C0SC); + /* CHF is W1C */ + writel(TPM_C0SC_CHF_MASK, timer_base + TPM_C0SC); - /* increase per cnt, div 8 by default */ - writel(TPM_SC_CMOD_INC_PER_CNT | TPM_SC_CMOD_DIV_DEFAULT, + /* + * increase per cnt, + * div 8 for 32-bit counter and div 128 for 16-bit counter + */ + writel(TPM_SC_CMOD_INC_PER_CNT | + (counter_width == 0x20 ? + TPM_SC_CMOD_DIV_DEFAULT : TPM_SC_CMOD_DIV_MAX), timer_base + TPM_SC); /* set MOD register to maximum for free running mode */ - writel(0xffffffff, timer_base + TPM_MOD); + writel(GENMASK(counter_width - 1, 0), timer_base + TPM_MOD); rate = clk_get_rate(per) >> 3; ret = tpm_clocksource_init(rate); diff --git a/drivers/clocksource/timer-npcm7xx.c b/drivers/clocksource/timer-npcm7xx.c new file mode 100644 index 000000000000..7a9bb5532d99 --- /dev/null +++ b/drivers/clocksource/timer-npcm7xx.c @@ -0,0 +1,215 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2014-2018 Nuvoton Technologies tomer.maimon@nuvoton.com + * All rights reserved. + * + * Copyright 2017 Google, Inc. + */ + +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/clockchips.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include "timer-of.h" + +/* Timers registers */ +#define NPCM7XX_REG_TCSR0 0x0 /* Timer 0 Control and Status Register */ +#define NPCM7XX_REG_TICR0 0x8 /* Timer 0 Initial Count Register */ +#define NPCM7XX_REG_TCSR1 0x4 /* Timer 1 Control and Status Register */ +#define NPCM7XX_REG_TICR1 0xc /* Timer 1 Initial Count Register */ +#define NPCM7XX_REG_TDR1 0x14 /* Timer 1 Data Register */ +#define NPCM7XX_REG_TISR 0x18 /* Timer Interrupt Status Register */ + +/* Timers control */ +#define NPCM7XX_Tx_RESETINT 0x1f +#define NPCM7XX_Tx_PERIOD BIT(27) +#define NPCM7XX_Tx_INTEN BIT(29) +#define NPCM7XX_Tx_COUNTEN BIT(30) +#define NPCM7XX_Tx_ONESHOT 0x0 +#define NPCM7XX_Tx_OPER GENMASK(3, 27) +#define NPCM7XX_Tx_MIN_PRESCALE 0x1 +#define NPCM7XX_Tx_TDR_MASK_BITS 24 +#define NPCM7XX_Tx_MAX_CNT 0xFFFFFF +#define NPCM7XX_T0_CLR_INT 0x1 +#define NPCM7XX_Tx_CLR_CSR 0x0 + +/* Timers operating mode */ +#define NPCM7XX_START_PERIODIC_Tx (NPCM7XX_Tx_PERIOD | NPCM7XX_Tx_COUNTEN | \ + NPCM7XX_Tx_INTEN | \ + NPCM7XX_Tx_MIN_PRESCALE) + +#define NPCM7XX_START_ONESHOT_Tx (NPCM7XX_Tx_ONESHOT | NPCM7XX_Tx_COUNTEN | \ + NPCM7XX_Tx_INTEN | \ + NPCM7XX_Tx_MIN_PRESCALE) + +#define NPCM7XX_START_Tx (NPCM7XX_Tx_COUNTEN | NPCM7XX_Tx_PERIOD | \ + NPCM7XX_Tx_MIN_PRESCALE) + +#define NPCM7XX_DEFAULT_CSR (NPCM7XX_Tx_CLR_CSR | NPCM7XX_Tx_MIN_PRESCALE) + +static int npcm7xx_timer_resume(struct clock_event_device *evt) +{ + struct timer_of *to = to_timer_of(evt); + u32 val; + + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val |= NPCM7XX_Tx_COUNTEN; + writel(val, timer_of_base(to) + NPCM7XX_REG_TCSR0); + + return 0; +} + +static int npcm7xx_timer_shutdown(struct clock_event_device *evt) +{ + struct timer_of *to = to_timer_of(evt); + u32 val; + + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val &= ~NPCM7XX_Tx_COUNTEN; + writel(val, timer_of_base(to) + NPCM7XX_REG_TCSR0); + + return 0; +} + +static int npcm7xx_timer_oneshot(struct clock_event_device *evt) +{ + struct timer_of *to = to_timer_of(evt); + u32 val; + + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val &= ~NPCM7XX_Tx_OPER; + + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val |= NPCM7XX_START_ONESHOT_Tx; + writel(val, timer_of_base(to) + NPCM7XX_REG_TCSR0); + + return 0; +} + +static int npcm7xx_timer_periodic(struct clock_event_device *evt) +{ + struct timer_of *to = to_timer_of(evt); + u32 val; + + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val &= ~NPCM7XX_Tx_OPER; + + writel(timer_of_period(to), timer_of_base(to) + NPCM7XX_REG_TICR0); + val |= NPCM7XX_START_PERIODIC_Tx; + + writel(val, timer_of_base(to) + NPCM7XX_REG_TCSR0); + + return 0; +} + +static int npcm7xx_clockevent_set_next_event(unsigned long evt, + struct clock_event_device *clk) +{ + struct timer_of *to = to_timer_of(clk); + u32 val; + + writel(evt, timer_of_base(to) + NPCM7XX_REG_TICR0); + val = readl(timer_of_base(to) + NPCM7XX_REG_TCSR0); + val |= NPCM7XX_START_Tx; + writel(val, timer_of_base(to) + NPCM7XX_REG_TCSR0); + + return 0; +} + +static irqreturn_t npcm7xx_timer0_interrupt(int irq, void *dev_id) +{ + struct clock_event_device *evt = (struct clock_event_device *)dev_id; + struct timer_of *to = to_timer_of(evt); + + writel(NPCM7XX_T0_CLR_INT, timer_of_base(to) + NPCM7XX_REG_TISR); + + evt->event_handler(evt); + + return IRQ_HANDLED; +} + +static struct timer_of npcm7xx_to = { + .flags = TIMER_OF_IRQ | TIMER_OF_BASE | TIMER_OF_CLOCK, + + .clkevt = { + .name = "npcm7xx-timer0", + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = npcm7xx_clockevent_set_next_event, + .set_state_shutdown = npcm7xx_timer_shutdown, + .set_state_periodic = npcm7xx_timer_periodic, + .set_state_oneshot = npcm7xx_timer_oneshot, + .tick_resume = npcm7xx_timer_resume, + .rating = 300, + }, + + .of_irq = { + .handler = npcm7xx_timer0_interrupt, + .flags = IRQF_TIMER | IRQF_IRQPOLL, + }, +}; + +static void __init npcm7xx_clockevents_init(void) +{ + writel(NPCM7XX_DEFAULT_CSR, + timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TCSR0); + + writel(NPCM7XX_Tx_RESETINT, + timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TISR); + + npcm7xx_to.clkevt.cpumask = cpumask_of(0); + clockevents_config_and_register(&npcm7xx_to.clkevt, + timer_of_rate(&npcm7xx_to), + 0x1, NPCM7XX_Tx_MAX_CNT); +} + +static void __init npcm7xx_clocksource_init(void) +{ + u32 val; + + writel(NPCM7XX_DEFAULT_CSR, + timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TCSR1); + writel(NPCM7XX_Tx_MAX_CNT, + timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TICR1); + + val = readl(timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TCSR1); + val |= NPCM7XX_START_Tx; + writel(val, timer_of_base(&npcm7xx_to) + NPCM7XX_REG_TCSR1); + + clocksource_mmio_init(timer_of_base(&npcm7xx_to) + + NPCM7XX_REG_TDR1, + "npcm7xx-timer1", timer_of_rate(&npcm7xx_to), + 200, (unsigned int)NPCM7XX_Tx_TDR_MASK_BITS, + clocksource_mmio_readl_down); +} + +static int __init npcm7xx_timer_init(struct device_node *np) +{ + int ret; + + ret = timer_of_init(np, &npcm7xx_to); + if (ret) + return ret; + + /* Clock input is divided by PRESCALE + 1 before it is fed */ + /* to the counter */ + npcm7xx_to.of_clk.rate = npcm7xx_to.of_clk.rate / + (NPCM7XX_Tx_MIN_PRESCALE + 1); + + npcm7xx_clocksource_init(); + npcm7xx_clockevents_init(); + + pr_info("Enabling NPCM7xx clocksource timer base: %px, IRQ: %d ", + timer_of_base(&npcm7xx_to), timer_of_irq(&npcm7xx_to)); + + return 0; +} + +TIMER_OF_DECLARE(npcm7xx, "nuvoton,npcm750-timer", npcm7xx_timer_init); + diff --git a/drivers/crypto/qat/qat_common/.gitignore b/drivers/crypto/qat/qat_common/.gitignore deleted file mode 100644 index ee328374dba8..000000000000 --- a/drivers/crypto/qat/qat_common/.gitignore +++ /dev/null @@ -1 +0,0 @@ -*-asn1.[ch] diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 6feeacbe4d97..54e66adef252 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -187,7 +187,7 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, char *s; int is_ff = 1, is_00 = 1, i; - if (dmi_ident[slot] || dm->length <= index + 16) + if (dmi_ident[slot] || dm->length < index + 16) return; d = (u8 *) dm + index; @@ -211,9 +211,9 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, * says that this is the defacto standard. */ if (dmi_ver >= 0x020600) - sprintf(s, "%pUL", d); + sprintf(s, "%pUl", d); else - sprintf(s, "%pUB", d); + sprintf(s, "%pUb", d); dmi_ident[slot] = s; } @@ -792,7 +792,15 @@ static bool dmi_matches(const struct dmi_system_id *dmi) int s = dmi->matches[i].slot; if (s == DMI_NONE) break; - if (dmi_ident[s]) { + if (s == DMI_OEM_STRING) { + /* DMI_OEM_STRING must be exact match */ + const struct dmi_device *valid; + + valid = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, + dmi->matches[i].substr, NULL); + if (valid) + continue; + } else if (dmi_ident[s]) { if (dmi->matches[i].exact_match) { if (!strcmp(dmi_ident[s], dmi->matches[i].substr)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index f44a83ab2bf4..c8b605f3dc05 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -890,6 +890,7 @@ struct amdgpu_gfx_funcs { void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields); void (*read_wave_vgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t thread, uint32_t start, uint32_t size, uint32_t *dst); void (*read_wave_sgprs)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t start, uint32_t size, uint32_t *dst); + void (*select_me_pipe_q)(struct amdgpu_device *adev, u32 me, u32 pipe, u32 queue); }; struct amdgpu_ngg_buf { @@ -1378,6 +1379,7 @@ enum amd_hw_ip_block_type { ATHUB_HWIP, NBIO_HWIP, MP0_HWIP, + MP1_HWIP, UVD_HWIP, VCN_HWIP = UVD_HWIP, VCE_HWIP, @@ -1387,6 +1389,7 @@ enum amd_hw_ip_block_type { SMUIO_HWIP, PWR_HWIP, NBIF_HWIP, + THM_HWIP, MAX_HWIP }; @@ -1812,6 +1815,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring) #define amdgpu_gfx_select_se_sh(adev, se, sh, instance) (adev)->gfx.funcs->select_se_sh((adev), (se), (sh), (instance)) #define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a)) #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i)) +#define amdgpu_gfx_select_me_pipe_q(adev, me, pipe, q) (adev)->gfx.funcs->select_me_pipe_q((adev), (me), (pipe), (q)) /* Common functions */ int amdgpu_device_gpu_recover(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 369beb5041a2..448d69fe3756 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -64,16 +64,21 @@ int amdgpu_debugfs_add_files(struct amdgpu_device *adev, #if defined(CONFIG_DEBUG_FS) -static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) + +static int amdgpu_debugfs_process_reg_op(bool read, struct file *f, + char __user *buf, size_t size, loff_t *pos) { struct amdgpu_device *adev = file_inode(f)->i_private; ssize_t result = 0; int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; + bool pm_pg_lock, use_bank, use_ring; + unsigned instance_bank, sh_bank, se_bank, me, pipe, queue; - if (size & 0x3 || *pos & 0x3) + pm_pg_lock = use_bank = use_ring = false; + instance_bank = sh_bank = se_bank = me = pipe = queue = 0; + + if (size & 0x3 || *pos & 0x3 || + ((*pos & (1ULL << 62)) && (*pos & (1ULL << 61)))) return -EINVAL; /* are we reading registers for which a PG lock is necessary? */ @@ -91,8 +96,15 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, if (instance_bank == 0x3FF) instance_bank = 0xFFFFFFFF; use_bank = 1; + } else if (*pos & (1ULL << 61)) { + + me = (*pos & GENMASK_ULL(33, 24)) >> 24; + pipe = (*pos & GENMASK_ULL(43, 34)) >> 34; + queue = (*pos & GENMASK_ULL(53, 44)) >> 44; + + use_ring = 1; } else { - use_bank = 0; + use_bank = use_ring = 0; } *pos &= (1UL << 22) - 1; @@ -104,6 +116,9 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, mutex_lock(&adev->grbm_idx_mutex); amdgpu_gfx_select_se_sh(adev, se_bank, sh_bank, instance_bank); + } else if (use_ring) { + mutex_lock(&adev->srbm_mutex); + amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue); } if (pm_pg_lock) @@ -115,8 +130,14 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, if (*pos > adev->rmmio_size) goto end; - value = RREG32(*pos >> 2); - r = put_user(value, (uint32_t *)buf); + if (read) { + value = RREG32(*pos >> 2); + r = put_user(value, (uint32_t *)buf); + } else { + r = get_user(value, (uint32_t *)buf); + if (!r) + WREG32(*pos >> 2, value); + } if (r) { result = r; goto end; @@ -132,6 +153,9 @@ end: if (use_bank) { amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); mutex_unlock(&adev->grbm_idx_mutex); + } else if (use_ring) { + amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); } if (pm_pg_lock) @@ -140,78 +164,17 @@ end: return result; } + +static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + return amdgpu_debugfs_process_reg_op(true, f, buf, size, pos); +} + static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, size_t size, loff_t *pos) { - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - /* are we reading registers for which a PG lock is necessary? */ - pm_pg_lock = (*pos >> 23) & 1; - - if (*pos & (1ULL << 62)) { - se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; - sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; - instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; - - if (se_bank == 0x3FF) - se_bank = 0xFFFFFFFF; - if (sh_bank == 0x3FF) - sh_bank = 0xFFFFFFFF; - if (instance_bank == 0x3FF) - instance_bank = 0xFFFFFFFF; - use_bank = 1; - } else { - use_bank = 0; - } - - *pos &= (1UL << 22) - 1; - - if (use_bank) { - if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) - return -EINVAL; - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se_bank, - sh_bank, instance_bank); - } - - if (pm_pg_lock) - mutex_lock(&adev->pm.mutex); - - while (size) { - uint32_t value; - - if (*pos > adev->rmmio_size) - return result; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - if (use_bank) { - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - } - - if (pm_pg_lock) - mutex_unlock(&adev->pm.mutex); - - return result; + return amdgpu_debugfs_process_reg_op(false, f, (char __user *)buf, size, pos); } static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 7379aa5a6849..0b19482b36b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -922,6 +922,11 @@ static int __init amdgpu_init(void) { int r; + if (vgacon_text_force()) { + DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); + return -EINVAL; + } + r = amdgpu_sync_init(); if (r) goto error_sync; @@ -930,10 +935,6 @@ static int __init amdgpu_init(void) if (r) goto error_fence; - if (vgacon_text_force()) { - DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); - return -EINVAL; - } DRM_INFO("amdgpu kernel modesetting enabled.\n"); driver = &kms_driver; pdriver = &amdgpu_kms_pci_driver; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 455a81e4c246..97449e06a242 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -410,6 +410,7 @@ int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, unsigned num_hw_submission) { + long timeout; int r; /* Check that num_hw_submission is a power of two */ @@ -433,11 +434,16 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, /* No need to setup the GPU scheduler for KIQ ring */ if (ring->funcs->type != AMDGPU_RING_TYPE_KIQ) { + /* for non-sriov case, no timeout enforce on compute ring */ + if ((ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) + && !amdgpu_sriov_vf(ring->adev)) + timeout = MAX_SCHEDULE_TIMEOUT; + else + timeout = msecs_to_jiffies(amdgpu_lockup_timeout); + r = drm_sched_init(&ring->sched, &amdgpu_sched_ops, num_hw_submission, amdgpu_job_hang_limit, - (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) ? - MAX_SCHEDULE_TIMEOUT : msecs_to_jiffies(amdgpu_lockup_timeout), - ring->name); + timeout, ring->name); if (r) { DRM_ERROR("Failed to create scheduler on ring %s.\n", ring->name); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 28c2706e48d7..46b9ea4e6103 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -56,11 +56,23 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size, alignment = PAGE_SIZE; } +retry: r = amdgpu_bo_create(adev, size, alignment, initial_domain, flags, type, resv, &bo); if (r) { - DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n", - size, initial_domain, alignment, r); + if (r != -ERESTARTSYS) { + if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) { + flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; + goto retry; + } + + if (initial_domain == AMDGPU_GEM_DOMAIN_VRAM) { + initial_domain |= AMDGPU_GEM_DOMAIN_GTT; + goto retry; + } + DRM_DEBUG("Failed to allocate GEM object (%ld, %d, %u, %d)\n", + size, initial_domain, alignment, r); + } return r; } *obj = &bo->gem_base; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index fac4b6067efd..6d08cde8443c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -356,7 +356,6 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size, struct amdgpu_bo *bo; unsigned long page_align; size_t acc_size; - u32 domains; int r; page_align = roundup(byte_align, PAGE_SIZE) >> PAGE_SHIFT; @@ -418,23 +417,12 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, unsigned long size, #endif bo->tbo.bdev = &adev->mman.bdev; - domains = bo->preferred_domains; -retry: - amdgpu_ttm_placement_from_domain(bo, domains); + amdgpu_ttm_placement_from_domain(bo, domain); + r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type, &bo->placement, page_align, &ctx, acc_size, NULL, resv, &amdgpu_ttm_bo_destroy); - - if (unlikely(r && r != -ERESTARTSYS)) { - if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) { - bo->flags &= ~AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; - goto retry; - } else if (domains != bo->preferred_domains) { - domains = bo->allowed_domains; - goto retry; - } - } - if (unlikely(r)) + if (unlikely(r != 0)) return r; if (adev->gmc.visible_vram_size < adev->gmc.real_vram_size && diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 19e71f4a8ac2..c7d43e064fc7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -505,6 +505,9 @@ failed: int psp_gpu_reset(struct amdgpu_device *adev) { + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) + return 0; + return psp_mode1_reset(&adev->psp); } diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index f48ea0dad875..a7576255cc30 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -859,7 +859,7 @@ static void cik_sdma_ring_emit_pipeline_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); /* reference */ - amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, 0xffffffff); /* mask */ amdgpu_ring_write(ring, (0xfff << 16) | 4); /* retry count, poll interval */ } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 0fff5b8cd318..cd6bf291a853 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -3061,11 +3061,18 @@ static void gfx_v6_0_read_wave_sgprs(struct amdgpu_device *adev, uint32_t simd, start + SQIND_WAVE_SGPRS_OFFSET, size, dst); } +static void gfx_v6_0_select_me_pipe_q(struct amdgpu_device *adev, + u32 me, u32 pipe, u32 q) +{ + DRM_INFO("Not implemented\n"); +} + static const struct amdgpu_gfx_funcs gfx_v6_0_gfx_funcs = { .get_gpu_clock_counter = &gfx_v6_0_get_gpu_clock_counter, .select_se_sh = &gfx_v6_0_select_se_sh, .read_wave_data = &gfx_v6_0_read_wave_data, .read_wave_sgprs = &gfx_v6_0_read_wave_sgprs, + .select_me_pipe_q = &gfx_v6_0_select_me_pipe_q }; static int gfx_v6_0_early_init(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index e13d9d83767b..42b6144c1fd5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -4270,11 +4270,18 @@ static void gfx_v7_0_read_wave_sgprs(struct amdgpu_device *adev, uint32_t simd, start + SQIND_WAVE_SGPRS_OFFSET, size, dst); } +static void gfx_v7_0_select_me_pipe_q(struct amdgpu_device *adev, + u32 me, u32 pipe, u32 q) +{ + cik_srbm_select(adev, me, pipe, q, 0); +} + static const struct amdgpu_gfx_funcs gfx_v7_0_gfx_funcs = { .get_gpu_clock_counter = &gfx_v7_0_get_gpu_clock_counter, .select_se_sh = &gfx_v7_0_select_se_sh, .read_wave_data = &gfx_v7_0_read_wave_data, .read_wave_sgprs = &gfx_v7_0_read_wave_sgprs, + .select_me_pipe_q = &gfx_v7_0_select_me_pipe_q }; static const struct amdgpu_rlc_funcs gfx_v7_0_rlc_funcs = { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 27943e57681c..b0e591eaa71a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -3475,6 +3475,12 @@ static void gfx_v8_0_select_se_sh(struct amdgpu_device *adev, WREG32(mmGRBM_GFX_INDEX, data); } +static void gfx_v8_0_select_me_pipe_q(struct amdgpu_device *adev, + u32 me, u32 pipe, u32 q) +{ + vi_srbm_select(adev, me, pipe, q, 0); +} + static u32 gfx_v8_0_get_rb_active_bitmap(struct amdgpu_device *adev) { u32 data, mask; @@ -5442,6 +5448,7 @@ static const struct amdgpu_gfx_funcs gfx_v8_0_gfx_funcs = { .select_se_sh = &gfx_v8_0_select_se_sh, .read_wave_data = &gfx_v8_0_read_wave_data, .read_wave_sgprs = &gfx_v8_0_read_wave_sgprs, + .select_me_pipe_q = &gfx_v8_0_select_me_pipe_q }; static int gfx_v8_0_early_init(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 1ae3de1094f9..9d39fd5b1822 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -998,12 +998,19 @@ static void gfx_v9_0_read_wave_vgprs(struct amdgpu_device *adev, uint32_t simd, start + SQIND_WAVE_VGPRS_OFFSET, size, dst); } +static void gfx_v9_0_select_me_pipe_q(struct amdgpu_device *adev, + u32 me, u32 pipe, u32 q) +{ + soc15_grbm_select(adev, me, pipe, q, 0); +} + static const struct amdgpu_gfx_funcs gfx_v9_0_gfx_funcs = { .get_gpu_clock_counter = &gfx_v9_0_get_gpu_clock_counter, .select_se_sh = &gfx_v9_0_select_se_sh, .read_wave_data = &gfx_v9_0_read_wave_data, .read_wave_sgprs = &gfx_v9_0_read_wave_sgprs, .read_wave_vgprs = &gfx_v9_0_read_wave_vgprs, + .select_me_pipe_q = &gfx_v9_0_select_me_pipe_q }; static void gfx_v9_0_gpu_early_init(struct amdgpu_device *adev) @@ -2757,6 +2764,45 @@ static int gfx_v9_0_kiq_init_register(struct amdgpu_ring *ring) return 0; } +static int gfx_v9_0_kiq_fini_register(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + int j; + + /* disable the queue if it's active */ + if (RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE) & 1) { + + WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, 1); + + for (j = 0; j < adev->usec_timeout; j++) { + if (!(RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + + if (j == AMDGPU_MAX_USEC_TIMEOUT) { + DRM_DEBUG("KIQ dequeue request failed.\n"); + + /* Manual disable if dequeue request times out */ + WREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE, 0); + } + + WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, + 0); + } + + WREG32_SOC15(GC, 0, mmCP_HQD_IQ_TIMER, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_IB_CONTROL, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_PERSISTENT_STATE, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, 0x40000000); + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_RPTR, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_HI, 0); + WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_LO, 0); + + return 0; +} + static int gfx_v9_0_kiq_init_queue(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; @@ -3010,7 +3056,6 @@ static int gfx_v9_0_kcq_disable(struct amdgpu_ring *kiq_ring,struct amdgpu_ring return r; } - static int gfx_v9_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; @@ -3033,6 +3078,20 @@ static int gfx_v9_0_hw_fini(void *handle) WREG32_FIELD15(GC, 0, CP_PQ_WPTR_POLL_CNTL, EN, 0); return 0; } + + /* Use deinitialize sequence from CAIL when unbinding device from driver, + * otherwise KIQ is hanging when binding back + */ + if (!adev->in_gpu_reset && !adev->gfx.in_suspend) { + mutex_lock(&adev->srbm_mutex); + soc15_grbm_select(adev, adev->gfx.kiq.ring.me, + adev->gfx.kiq.ring.pipe, + adev->gfx.kiq.ring.queue, 0); + gfx_v9_0_kiq_fini_register(&adev->gfx.kiq.ring); + soc15_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + } + gfx_v9_0_cp_enable(adev, false); gfx_v9_0_rlc_stop(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 6452101c7aab..c7190c39c4f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -837,7 +837,7 @@ static void sdma_v2_4_ring_emit_pipeline_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); /* reference */ - amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, 0xffffffff); /* mask */ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ } diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c index ecaef084dab1..be20a387d961 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c @@ -1105,7 +1105,7 @@ static void sdma_v3_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); /* reference */ - amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, 0xffffffff); /* mask */ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ } diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 2a8184082cd1..399f876f9cad 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1121,7 +1121,7 @@ static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, addr & 0xfffffffc); amdgpu_ring_write(ring, upper_32_bits(addr) & 0xffffffff); amdgpu_ring_write(ring, seq); /* reference */ - amdgpu_ring_write(ring, 0xfffffff); /* mask */ + amdgpu_ring_write(ring, 0xffffffff); /* mask */ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) | SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(4)); /* retry count, poll interval */ } diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index b154667a8fd9..a675ec6d2811 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1252,6 +1252,71 @@ static void si_invalidate_hdp(struct amdgpu_device *adev, } } +static int si_get_pcie_lanes(struct amdgpu_device *adev) +{ + u32 link_width_cntl; + + if (adev->flags & AMD_IS_APU) + return 0; + + link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); + + switch ((link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT) { + case LC_LINK_WIDTH_X1: + return 1; + case LC_LINK_WIDTH_X2: + return 2; + case LC_LINK_WIDTH_X4: + return 4; + case LC_LINK_WIDTH_X8: + return 8; + case LC_LINK_WIDTH_X0: + case LC_LINK_WIDTH_X16: + default: + return 16; + } +} + +static void si_set_pcie_lanes(struct amdgpu_device *adev, int lanes) +{ + u32 link_width_cntl, mask; + + if (adev->flags & AMD_IS_APU) + return; + + switch (lanes) { + case 0: + mask = LC_LINK_WIDTH_X0; + break; + case 1: + mask = LC_LINK_WIDTH_X1; + break; + case 2: + mask = LC_LINK_WIDTH_X2; + break; + case 4: + mask = LC_LINK_WIDTH_X4; + break; + case 8: + mask = LC_LINK_WIDTH_X8; + break; + case 16: + mask = LC_LINK_WIDTH_X16; + break; + default: + DRM_ERROR("invalid pcie lane request: %d\n", lanes); + return; + } + + link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL); + link_width_cntl &= ~LC_LINK_WIDTH_MASK; + link_width_cntl |= mask << LC_LINK_WIDTH_SHIFT; + link_width_cntl |= (LC_RECONFIG_NOW | + LC_RECONFIG_ARC_MISSING_ESCAPE); + + WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl); +} + static const struct amdgpu_asic_funcs si_asic_funcs = { .read_disabled_bios = &si_read_disabled_bios, @@ -1262,6 +1327,8 @@ static const struct amdgpu_asic_funcs si_asic_funcs = .get_xclk = &si_get_xclk, .set_uvd_clocks = &si_set_uvd_clocks, .set_vce_clocks = NULL, + .get_pcie_lanes = &si_get_pcie_lanes, + .set_pcie_lanes = &si_set_pcie_lanes, .get_config_memsize = &si_get_config_memsize, .flush_hdp = &si_flush_hdp, .invalidate_hdp = &si_invalidate_hdp, diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index 672eaffac0a5..797d505bf9ee 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -6372,9 +6372,9 @@ static void si_set_pcie_lane_width_in_smc(struct amdgpu_device *adev, { u32 lane_width; u32 new_lane_width = - (amdgpu_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT; + ((amdgpu_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; u32 current_lane_width = - (amdgpu_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT; + ((amdgpu_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; if (new_lane_width != current_lane_width) { amdgpu_set_pcie_lanes(adev, new_lane_width); diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c index 4c45db7f1157..45aafca7f315 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c @@ -38,6 +38,7 @@ int vega10_reg_base_init(struct amdgpu_device *adev) adev->reg_offset[ATHUB_HWIP][i] = (uint32_t *)(&(ATHUB_BASE.instance[i])); adev->reg_offset[NBIO_HWIP][i] = (uint32_t *)(&(NBIO_BASE.instance[i])); adev->reg_offset[MP0_HWIP][i] = (uint32_t *)(&(MP0_BASE.instance[i])); + adev->reg_offset[MP1_HWIP][i] = (uint32_t *)(&(MP1_BASE.instance[i])); adev->reg_offset[UVD_HWIP][i] = (uint32_t *)(&(UVD_BASE.instance[i])); adev->reg_offset[VCE_HWIP][i] = (uint32_t *)(&(VCE_BASE.instance[i])); adev->reg_offset[VCN_HWIP][i] = (uint32_t *)(&(VCN_BASE.instance[i])); @@ -49,7 +50,7 @@ int vega10_reg_base_init(struct amdgpu_device *adev) adev->reg_offset[SMUIO_HWIP][i] = (uint32_t *)(&(SMUIO_BASE.instance[i])); adev->reg_offset[PWR_HWIP][i] = (uint32_t *)(&(PWR_BASE.instance[i])); adev->reg_offset[NBIF_HWIP][i] = (uint32_t *)(&(NBIF_BASE.instance[i])); - + adev->reg_offset[THM_HWIP][i] = (uint32_t *)(&(THM_BASE.instance[i])); } return 0; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index e42a28e3adc5..4e2f379ce217 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1403,6 +1403,28 @@ static int initialize_plane(struct amdgpu_display_manager *dm, return ret; } + +static void register_backlight_device(struct amdgpu_display_manager *dm, + struct dc_link *link) +{ +#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ + defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) + + if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && + link->type != dc_connection_none) { + /* Event if registration failed, we should continue with + * DM initialization because not having a backlight control + * is better then a black screen. + */ + amdgpu_dm_register_backlight_device(dm); + + if (dm->backlight_dev) + dm->backlight_link = link; + } +#endif +} + + /* In this architecture, the association * connector -> encoder -> crtc * id not really requried. The crtc and connector will hold the @@ -1456,6 +1478,7 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) /* loops over all connectors on the board */ for (i = 0; i < link_cnt; i++) { + struct dc_link *link = NULL; if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) { DRM_ERROR( @@ -1482,9 +1505,14 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) goto fail; } - if (dc_link_detect(dc_get_link_at_index(dm->dc, i), - DETECT_REASON_BOOT)) + link = dc_get_link_at_index(dm->dc, i); + + if (dc_link_detect(link, DETECT_REASON_BOOT)) { amdgpu_dm_update_connector_after_detect(aconnector); + register_backlight_device(dm, link); + } + + } /* Software is initialized. Now we can register interrupt handlers. */ @@ -2685,7 +2713,8 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector) #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) - if (link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) { + if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) && + link->type != dc_connection_none) { amdgpu_dm_register_backlight_device(dm); if (dm->backlight_dev) { @@ -3561,6 +3590,7 @@ create_i2c(struct ddc_service *ddc_service, return i2c; } + /* Note: this function assumes that dc_link_detect() was called for the * dc_link which will be represented by this aconnector. */ @@ -3630,28 +3660,6 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm, || connector_type == DRM_MODE_CONNECTOR_eDP) amdgpu_dm_initialize_dp_connector(dm, aconnector); -#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\ - defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE) - - /* NOTE: this currently will create backlight device even if a panel - * is not connected to the eDP/LVDS connector. - * - * This is less than ideal but we don't have sink information at this - * stage since detection happens after. We can't do detection earlier - * since MST detection needs connectors to be created first. - */ - if (link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) { - /* Event if registration failed, we should continue with - * DM initialization because not having a backlight control - * is better then a black screen. - */ - amdgpu_dm_register_backlight_device(dm); - - if (dm->backlight_dev) - dm->backlight_link = link; - } -#endif - out_free: if (res) { kfree(i2c); @@ -4840,33 +4848,6 @@ static int dm_update_planes_state(struct dc *dc, return ret; } -static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state, - struct drm_crtc *crtc) -{ - struct drm_plane *plane; - struct drm_crtc_state *crtc_state; - - WARN_ON(!drm_atomic_get_new_crtc_state(state, crtc)); - - drm_for_each_plane_mask(plane, state->dev, crtc->state->plane_mask) { - struct drm_plane_state *plane_state = - drm_atomic_get_plane_state(state, plane); - - if (IS_ERR(plane_state)) - return -EDEADLK; - - crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc); - if (IS_ERR(crtc_state)) - return PTR_ERR(crtc_state); - - if (crtc->primary == plane && crtc_state->active) { - if (!plane_state->fb) - return -EINVAL; - } - } - return 0; -} - static int amdgpu_dm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { @@ -4890,10 +4871,6 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev, goto fail; for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) { - ret = dm_atomic_check_plane_state_fb(state, crtc); - if (ret) - goto fail; - if (!drm_atomic_crtc_needs_modeset(new_crtc_state) && !new_crtc_state->color_mgmt_changed) continue; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index eeb04471b2f5..6d1c4981a185 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1997,6 +1997,19 @@ bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t level, return true; } +bool dc_link_set_abm_disable(const struct dc_link *link) +{ + struct dc *core_dc = link->ctx->dc; + struct abm *abm = core_dc->res_pool->abm; + + if ((abm == NULL) || (abm->funcs->set_backlight_level == NULL)) + return false; + + abm->funcs->set_abm_immediate_disable(abm); + + return true; +} + bool dc_link_set_psr_enable(const struct dc_link *link, bool enable, bool wait) { struct dc *core_dc = link->ctx->dc; diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index fb4d9eafdc6e..dc34515ef01f 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -132,6 +132,8 @@ static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_ bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level, uint32_t frame_ramp, const struct dc_stream_state *stream); +bool dc_link_set_abm_disable(const struct dc_link *dc_link); + bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait); bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state); diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c index 444558ca6533..162f6a6c4208 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c @@ -735,6 +735,8 @@ static void dce110_stream_encoder_update_hdmi_info_packets( if (info_frame->avi.valid) { const uint32_t *content = (const uint32_t *) &info_frame->avi.sb[0]; + /*we need turn on clock before programming AFMT block*/ + REG_UPDATE(AFMT_CNTL, AFMT_AUDIO_CLOCK_EN, 1); REG_WRITE(AFMT_AVI_INFO0, content[0]); diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c index 775d3bf0bd39..9150d2694450 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_compressor.c @@ -102,6 +102,43 @@ static uint32_t align_to_chunks_number_per_line(uint32_t pixels) return 256 * ((pixels + 255) / 256); } +static void reset_lb_on_vblank(struct dc_context *ctx) +{ + uint32_t value, frame_count; + uint32_t retry = 0; + uint32_t status_pos = + dm_read_reg(ctx, mmCRTC_STATUS_POSITION); + + + /* Only if CRTC is enabled and counter is moving we wait for one frame. */ + if (status_pos != dm_read_reg(ctx, mmCRTC_STATUS_POSITION)) { + /* Resetting LB on VBlank */ + value = dm_read_reg(ctx, mmLB_SYNC_RESET_SEL); + set_reg_field_value(value, 3, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL); + set_reg_field_value(value, 1, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL2); + dm_write_reg(ctx, mmLB_SYNC_RESET_SEL, value); + + frame_count = dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT); + + + for (retry = 100; retry > 0; retry--) { + if (frame_count != dm_read_reg(ctx, mmCRTC_STATUS_FRAME_COUNT)) + break; + msleep(1); + } + if (!retry) + dm_error("Frame count did not increase for 100ms.\n"); + + /* Resetting LB on VBlank */ + value = dm_read_reg(ctx, mmLB_SYNC_RESET_SEL); + set_reg_field_value(value, 2, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL); + set_reg_field_value(value, 0, LB_SYNC_RESET_SEL, LB_SYNC_RESET_SEL2); + dm_write_reg(ctx, mmLB_SYNC_RESET_SEL, value); + + } + +} + static void wait_for_fbc_state_changed( struct dce110_compressor *cp110, bool enabled) @@ -232,19 +269,23 @@ void dce110_compressor_disable_fbc(struct compressor *compressor) { struct dce110_compressor *cp110 = TO_DCE110_COMPRESSOR(compressor); - if (compressor->options.bits.FBC_SUPPORT && - dce110_compressor_is_fbc_enabled_in_hw(compressor, NULL)) { - uint32_t reg_data; - /* Turn off compression */ - reg_data = dm_read_reg(compressor->ctx, mmFBC_CNTL); - set_reg_field_value(reg_data, 0, FBC_CNTL, FBC_GRPH_COMP_EN); - dm_write_reg(compressor->ctx, mmFBC_CNTL, reg_data); - - /* Reset enum controller_id to undefined */ - compressor->attached_inst = 0; - compressor->is_enabled = false; - - wait_for_fbc_state_changed(cp110, false); + if (compressor->options.bits.FBC_SUPPORT) { + if (dce110_compressor_is_fbc_enabled_in_hw(compressor, NULL)) { + uint32_t reg_data; + /* Turn off compression */ + reg_data = dm_read_reg(compressor->ctx, mmFBC_CNTL); + set_reg_field_value(reg_data, 0, FBC_CNTL, FBC_GRPH_COMP_EN); + dm_write_reg(compressor->ctx, mmFBC_CNTL, reg_data); + + /* Reset enum controller_id to undefined */ + compressor->attached_inst = 0; + compressor->is_enabled = false; + + wait_for_fbc_state_changed(cp110, false); + } + + /* Sync line buffer - dce100/110 only*/ + reset_lb_on_vblank(compressor->ctx); } } diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 30dd62f0f5fa..d0575999f172 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -453,10 +453,13 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf, } else { /* 10 segments - * segment is from 2^-10 to 2^0 + * segment is from 2^-10 to 2^1 + * We include an extra segment for range [2^0, 2^1). This is to + * ensure that colors with normalized values of 1 don't miss the + * LUT. */ region_start = -10; - region_end = 0; + region_end = 1; seg_distr[0] = 4; seg_distr[1] = 4; @@ -468,7 +471,7 @@ dce110_translate_regamma_to_hw_format(const struct dc_transfer_func *output_tf, seg_distr[7] = 4; seg_distr[8] = 4; seg_distr[9] = 4; - seg_distr[10] = -1; + seg_distr[10] = 0; seg_distr[11] = -1; seg_distr[12] = -1; seg_distr[13] = -1; @@ -1016,8 +1019,10 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx) struct dc_stream_state *stream = pipe_ctx->stream; struct dc_link *link = stream->sink->link; - if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) + if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) { link->dc->hwss.edp_backlight_control(link, false); + dc_link_set_abm_disable(link); + } if (dc_is_dp_signal(pipe_ctx->stream->signal)) pipe_ctx->stream_res.stream_enc->funcs->dp_blank(pipe_ctx->stream_res.stream_enc); diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h index 3ae3da4e7c14..0f5ad54d3fd3 100644 --- a/drivers/gpu/drm/amd/include/atomfirmware.h +++ b/drivers/gpu/drm/amd/include/atomfirmware.h @@ -1264,9 +1264,9 @@ struct atom_smc_dpm_info_v4_1 uint8_t ledpin2; uint8_t padding8_4; - uint8_t gfxclkspreadenabled; - uint8_t gfxclkspreadpercent; - uint16_t gfxclkspreadfreq; + uint8_t pllgfxclkspreadenabled; + uint8_t pllgfxclkspreadpercent; + uint16_t pllgfxclkspreadfreq; uint8_t uclkspreadenabled; uint8_t uclkspreadpercent; @@ -1276,7 +1276,11 @@ struct atom_smc_dpm_info_v4_1 uint8_t socclkspreadpercent; uint16_t socclkspreadfreq; - uint32_t boardreserved[3]; + uint8_t acggfxclkspreadenabled; + uint8_t acggfxclkspreadpercent; + uint16_t acggfxclkspreadfreq; + + uint32_t boardreserved[10]; }; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index faf9c880e4f7..210fb3ecd213 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -32,7 +32,7 @@ HARDWARE_MGR = hwmgr.o processpptables.o \ vega10_processpptables.o vega10_hwmgr.o vega10_powertune.o \ vega10_thermal.o smu10_hwmgr.o pp_psm.o\ vega12_processpptables.o vega12_hwmgr.o \ - vega12_powertune.o vega12_thermal.o \ + vega12_thermal.o \ pp_overdriver.o smu_helper.o AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR)) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c index 55f9b30513ff..ad42caac033e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.c @@ -616,9 +616,9 @@ int pp_atomfwctrl_get_smc_dpm_information(struct pp_hwmgr *hwmgr, param->ledpin1 = info->ledpin1; param->ledpin2 = info->ledpin2; - param->gfxclkspreadenabled = info->gfxclkspreadenabled; - param->gfxclkspreadpercent = info->gfxclkspreadpercent; - param->gfxclkspreadfreq = info->gfxclkspreadfreq; + param->pllgfxclkspreadenabled = info->pllgfxclkspreadenabled; + param->pllgfxclkspreadpercent = info->pllgfxclkspreadpercent; + param->pllgfxclkspreadfreq = info->pllgfxclkspreadfreq; param->uclkspreadenabled = info->uclkspreadenabled; param->uclkspreadpercent = info->uclkspreadpercent; @@ -628,5 +628,9 @@ int pp_atomfwctrl_get_smc_dpm_information(struct pp_hwmgr *hwmgr, param->socclkspreadpercent = info->socclkspreadpercent; param->socclkspreadfreq = info->socclkspreadfreq; + param->acggfxclkspreadenabled = info->acggfxclkspreadenabled; + param->acggfxclkspreadpercent = info->acggfxclkspreadpercent; + param->acggfxclkspreadfreq = info->acggfxclkspreadfreq; + return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h index a957d8f08029..8df1e84f27c9 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomfwctrl.h @@ -192,9 +192,9 @@ struct pp_atomfwctrl_smc_dpm_parameters uint8_t ledpin1; uint8_t ledpin2; - uint8_t gfxclkspreadenabled; - uint8_t gfxclkspreadpercent; - uint16_t gfxclkspreadfreq; + uint8_t pllgfxclkspreadenabled; + uint8_t pllgfxclkspreadpercent; + uint16_t pllgfxclkspreadfreq; uint8_t uclkspreadenabled; uint8_t uclkspreadpercent; @@ -203,6 +203,10 @@ struct pp_atomfwctrl_smc_dpm_parameters uint8_t socclkspreadenabled; uint8_t socclkspreadpercent; uint16_t socclkspreadfreq; + + uint8_t acggfxclkspreadenabled; + uint8_t acggfxclkspreadpercent; + uint16_t acggfxclkspreadfreq; }; int pp_atomfwctrl_get_gpu_pll_dividers_vega10(struct pp_hwmgr *hwmgr, diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 2b0c366d6149..add90675fd2a 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -3374,7 +3374,8 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, "Failed to start pm status log!", return -1); - msleep_interruptible(20); + /* Sampling period from 50ms to 4sec */ + msleep_interruptible(200); PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample), diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c index 75a465f771f0..7b26607c646a 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c @@ -319,13 +319,13 @@ static int smu8_get_system_info_data(struct pp_hwmgr *hwmgr) GetIndexIntoMasterTable(DATA, IntegratedSystemInfo), &size, &frev, &crev); - if (crev != 9) { - pr_err("Unsupported IGP table: %d %d\n", frev, crev); + if (info == NULL) { + pr_err("Could not retrieve the Integrated System Info Table!\n"); return -EINVAL; } - if (info == NULL) { - pr_err("Could not retrieve the Integrated System Info Table!\n"); + if (crev != 9) { + pr_err("Unsupported IGP table: %d %d\n", frev, crev); return -EINVAL; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c index 15ce1e825021..200de46bd06b 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c @@ -33,7 +33,6 @@ #include "ppatomfwctrl.h" #include "atomfirmware.h" #include "cgs_common.h" -#include "vega12_powertune.h" #include "vega12_inc.h" #include "pp_soc15.h" #include "pppcielanes.h" @@ -893,6 +892,28 @@ static int vega12_odn_initialize_default_settings( return 0; } +static int vega12_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr, + uint32_t adjust_percent) +{ + return smum_send_msg_to_smc_with_parameter(hwmgr, + PPSMC_MSG_OverDriveSetPercentage, adjust_percent); +} + +static int vega12_power_control_set_level(struct pp_hwmgr *hwmgr) +{ + int adjust_percent, result = 0; + + if (PP_CAP(PHM_PlatformCaps_PowerContainment)) { + adjust_percent = + hwmgr->platform_descriptor.TDPAdjustmentPolarity ? + hwmgr->platform_descriptor.TDPAdjustment : + (-1 * hwmgr->platform_descriptor.TDPAdjustment); + result = vega12_set_overdrive_target_percentage(hwmgr, + (uint32_t)adjust_percent); + } + return result; +} + static int vega12_enable_dpm_tasks(struct pp_hwmgr *hwmgr) { int tmp_result, result = 0; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.c deleted file mode 100644 index 76e60c0181ac..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.c +++ /dev/null @@ -1,1364 +0,0 @@ -/* - * Copyright 2017 Advanced Micro Devices, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include "hwmgr.h" -#include "vega12_hwmgr.h" -#include "vega12_powertune.h" -#include "vega12_smumgr.h" -#include "vega12_ppsmc.h" -#include "vega12_inc.h" -#include "pp_debug.h" -#include "pp_soc15.h" - -static const struct vega12_didt_config_reg SEDiDtTuningCtrlConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_TUNING_CTRL, DIDT_SQ_TUNING_CTRL__MAX_POWER_DELTA_HI_MASK, DIDT_SQ_TUNING_CTRL__MAX_POWER_DELTA_HI__SHIFT, 0x3853 }, - { ixDIDT_SQ_TUNING_CTRL, DIDT_SQ_TUNING_CTRL__MAX_POWER_DELTA_LO_MASK, DIDT_SQ_TUNING_CTRL__MAX_POWER_DELTA_LO__SHIFT, 0x3153 }, - - /* DIDT_TD */ - { ixDIDT_TD_TUNING_CTRL, DIDT_TD_TUNING_CTRL__MAX_POWER_DELTA_HI_MASK, DIDT_TD_TUNING_CTRL__MAX_POWER_DELTA_HI__SHIFT, 0x0dde }, - { ixDIDT_TD_TUNING_CTRL, DIDT_TD_TUNING_CTRL__MAX_POWER_DELTA_LO_MASK, DIDT_TD_TUNING_CTRL__MAX_POWER_DELTA_LO__SHIFT, 0x0dde }, - - /* DIDT_TCP */ - { ixDIDT_TCP_TUNING_CTRL, DIDT_TCP_TUNING_CTRL__MAX_POWER_DELTA_HI_MASK, DIDT_TCP_TUNING_CTRL__MAX_POWER_DELTA_HI__SHIFT, 0x3dde }, - { ixDIDT_TCP_TUNING_CTRL, DIDT_TCP_TUNING_CTRL__MAX_POWER_DELTA_LO_MASK, DIDT_TCP_TUNING_CTRL__MAX_POWER_DELTA_LO__SHIFT, 0x3dde }, - - /* DIDT_DB */ - { ixDIDT_DB_TUNING_CTRL, DIDT_DB_TUNING_CTRL__MAX_POWER_DELTA_HI_MASK, DIDT_DB_TUNING_CTRL__MAX_POWER_DELTA_HI__SHIFT, 0x3dde }, - { ixDIDT_DB_TUNING_CTRL, DIDT_DB_TUNING_CTRL__MAX_POWER_DELTA_LO_MASK, DIDT_DB_TUNING_CTRL__MAX_POWER_DELTA_LO__SHIFT, 0x3dde }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEDiDtCtrl3Config_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /*DIDT_SQ_CTRL3 */ - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__GC_DIDT_ENABLE_MASK, DIDT_SQ_CTRL3__GC_DIDT_ENABLE__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__GC_DIDT_CLK_EN_OVERRIDE_MASK, DIDT_SQ_CTRL3__GC_DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__THROTTLE_POLICY_MASK, DIDT_SQ_CTRL3__THROTTLE_POLICY__SHIFT, 0x0003 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_POWER_LEVEL_LOWBIT_MASK, DIDT_SQ_CTRL3__DIDT_POWER_LEVEL_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0003 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__GC_DIDT_LEVEL_COMB_EN_MASK, DIDT_SQ_CTRL3__GC_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__SE_DIDT_LEVEL_COMB_EN_MASK, DIDT_SQ_CTRL3__SE_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__QUALIFY_STALL_EN_MASK, DIDT_SQ_CTRL3__QUALIFY_STALL_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_STALL_SEL_MASK, DIDT_SQ_CTRL3__DIDT_STALL_SEL__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_FORCE_STALL_MASK, DIDT_SQ_CTRL3__DIDT_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL3, DIDT_SQ_CTRL3__DIDT_STALL_DELAY_EN_MASK, DIDT_SQ_CTRL3__DIDT_STALL_DELAY_EN__SHIFT, 0x0000 }, - - /*DIDT_TCP_CTRL3 */ - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__GC_DIDT_ENABLE_MASK, DIDT_TCP_CTRL3__GC_DIDT_ENABLE__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__GC_DIDT_CLK_EN_OVERRIDE_MASK, DIDT_TCP_CTRL3__GC_DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__THROTTLE_POLICY_MASK, DIDT_TCP_CTRL3__THROTTLE_POLICY__SHIFT, 0x0003 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_TCP_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_POWER_LEVEL_LOWBIT_MASK, DIDT_TCP_CTRL3__DIDT_POWER_LEVEL_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS_MASK, DIDT_TCP_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0003 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__GC_DIDT_LEVEL_COMB_EN_MASK, DIDT_TCP_CTRL3__GC_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__SE_DIDT_LEVEL_COMB_EN_MASK, DIDT_TCP_CTRL3__SE_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__QUALIFY_STALL_EN_MASK, DIDT_TCP_CTRL3__QUALIFY_STALL_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_STALL_SEL_MASK, DIDT_TCP_CTRL3__DIDT_STALL_SEL__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_FORCE_STALL_MASK, DIDT_TCP_CTRL3__DIDT_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL3, DIDT_TCP_CTRL3__DIDT_STALL_DELAY_EN_MASK, DIDT_TCP_CTRL3__DIDT_STALL_DELAY_EN__SHIFT, 0x0000 }, - - /*DIDT_TD_CTRL3 */ - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__GC_DIDT_ENABLE_MASK, DIDT_TD_CTRL3__GC_DIDT_ENABLE__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__GC_DIDT_CLK_EN_OVERRIDE_MASK, DIDT_TD_CTRL3__GC_DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__THROTTLE_POLICY_MASK, DIDT_TD_CTRL3__THROTTLE_POLICY__SHIFT, 0x0003 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_TD_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_POWER_LEVEL_LOWBIT_MASK, DIDT_TD_CTRL3__DIDT_POWER_LEVEL_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS_MASK, DIDT_TD_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0003 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__GC_DIDT_LEVEL_COMB_EN_MASK, DIDT_TD_CTRL3__GC_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__SE_DIDT_LEVEL_COMB_EN_MASK, DIDT_TD_CTRL3__SE_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__QUALIFY_STALL_EN_MASK, DIDT_TD_CTRL3__QUALIFY_STALL_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_STALL_SEL_MASK, DIDT_TD_CTRL3__DIDT_STALL_SEL__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_FORCE_STALL_MASK, DIDT_TD_CTRL3__DIDT_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL3, DIDT_TD_CTRL3__DIDT_STALL_DELAY_EN_MASK, DIDT_TD_CTRL3__DIDT_STALL_DELAY_EN__SHIFT, 0x0000 }, - - /*DIDT_DB_CTRL3 */ - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__GC_DIDT_ENABLE_MASK, DIDT_DB_CTRL3__GC_DIDT_ENABLE__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__GC_DIDT_CLK_EN_OVERRIDE_MASK, DIDT_DB_CTRL3__GC_DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__THROTTLE_POLICY_MASK, DIDT_DB_CTRL3__THROTTLE_POLICY__SHIFT, 0x0003 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_DB_CTRL3__DIDT_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_POWER_LEVEL_LOWBIT_MASK, DIDT_DB_CTRL3__DIDT_POWER_LEVEL_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS_MASK, DIDT_DB_CTRL3__DIDT_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0003 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__GC_DIDT_LEVEL_COMB_EN_MASK, DIDT_DB_CTRL3__GC_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__SE_DIDT_LEVEL_COMB_EN_MASK, DIDT_DB_CTRL3__SE_DIDT_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__QUALIFY_STALL_EN_MASK, DIDT_DB_CTRL3__QUALIFY_STALL_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_STALL_SEL_MASK, DIDT_DB_CTRL3__DIDT_STALL_SEL__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_FORCE_STALL_MASK, DIDT_DB_CTRL3__DIDT_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL3, DIDT_DB_CTRL3__DIDT_STALL_DELAY_EN_MASK, DIDT_DB_CTRL3__DIDT_STALL_DELAY_EN__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEDiDtCtrl2Config_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_CTRL2, DIDT_SQ_CTRL2__MAX_POWER_DELTA_MASK, DIDT_SQ_CTRL2__MAX_POWER_DELTA__SHIFT, 0x3853 }, - { ixDIDT_SQ_CTRL2, DIDT_SQ_CTRL2__SHORT_TERM_INTERVAL_SIZE_MASK, DIDT_SQ_CTRL2__SHORT_TERM_INTERVAL_SIZE__SHIFT, 0x00c0 }, - { ixDIDT_SQ_CTRL2, DIDT_SQ_CTRL2__LONG_TERM_INTERVAL_RATIO_MASK, DIDT_SQ_CTRL2__LONG_TERM_INTERVAL_RATIO__SHIFT, 0x0000 }, - - /* DIDT_TD */ - { ixDIDT_TD_CTRL2, DIDT_TD_CTRL2__MAX_POWER_DELTA_MASK, DIDT_TD_CTRL2__MAX_POWER_DELTA__SHIFT, 0x3fff }, - { ixDIDT_TD_CTRL2, DIDT_TD_CTRL2__SHORT_TERM_INTERVAL_SIZE_MASK, DIDT_TD_CTRL2__SHORT_TERM_INTERVAL_SIZE__SHIFT, 0x00c0 }, - { ixDIDT_TD_CTRL2, DIDT_TD_CTRL2__LONG_TERM_INTERVAL_RATIO_MASK, DIDT_TD_CTRL2__LONG_TERM_INTERVAL_RATIO__SHIFT, 0x0001 }, - - /* DIDT_TCP */ - { ixDIDT_TCP_CTRL2, DIDT_TCP_CTRL2__MAX_POWER_DELTA_MASK, DIDT_TCP_CTRL2__MAX_POWER_DELTA__SHIFT, 0x3dde }, - { ixDIDT_TCP_CTRL2, DIDT_TCP_CTRL2__SHORT_TERM_INTERVAL_SIZE_MASK, DIDT_TCP_CTRL2__SHORT_TERM_INTERVAL_SIZE__SHIFT, 0x00c0 }, - { ixDIDT_TCP_CTRL2, DIDT_TCP_CTRL2__LONG_TERM_INTERVAL_RATIO_MASK, DIDT_TCP_CTRL2__LONG_TERM_INTERVAL_RATIO__SHIFT, 0x0001 }, - - /* DIDT_DB */ - { ixDIDT_DB_CTRL2, DIDT_DB_CTRL2__MAX_POWER_DELTA_MASK, DIDT_DB_CTRL2__MAX_POWER_DELTA__SHIFT, 0x3dde }, - { ixDIDT_DB_CTRL2, DIDT_DB_CTRL2__SHORT_TERM_INTERVAL_SIZE_MASK, DIDT_DB_CTRL2__SHORT_TERM_INTERVAL_SIZE__SHIFT, 0x00c0 }, - { ixDIDT_DB_CTRL2, DIDT_DB_CTRL2__LONG_TERM_INTERVAL_RATIO_MASK, DIDT_DB_CTRL2__LONG_TERM_INTERVAL_RATIO__SHIFT, 0x0001 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEDiDtCtrl1Config_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_CTRL1, DIDT_SQ_CTRL1__MIN_POWER_MASK, DIDT_SQ_CTRL1__MIN_POWER__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL1, DIDT_SQ_CTRL1__MAX_POWER_MASK, DIDT_SQ_CTRL1__MAX_POWER__SHIFT, 0xffff }, - /* DIDT_TD */ - { ixDIDT_TD_CTRL1, DIDT_TD_CTRL1__MIN_POWER_MASK, DIDT_TD_CTRL1__MIN_POWER__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL1, DIDT_TD_CTRL1__MAX_POWER_MASK, DIDT_TD_CTRL1__MAX_POWER__SHIFT, 0xffff }, - /* DIDT_TCP */ - { ixDIDT_TCP_CTRL1, DIDT_TCP_CTRL1__MIN_POWER_MASK, DIDT_TCP_CTRL1__MIN_POWER__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL1, DIDT_TCP_CTRL1__MAX_POWER_MASK, DIDT_TCP_CTRL1__MAX_POWER__SHIFT, 0xffff }, - /* DIDT_DB */ - { ixDIDT_DB_CTRL1, DIDT_DB_CTRL1__MIN_POWER_MASK, DIDT_DB_CTRL1__MIN_POWER__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL1, DIDT_DB_CTRL1__MAX_POWER_MASK, DIDT_DB_CTRL1__MAX_POWER__SHIFT, 0xffff }, - - { 0xFFFFFFFF } /* End of list */ -}; - - -static const struct vega12_didt_config_reg SEDiDtWeightConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_WEIGHT0_3, 0xFFFFFFFF, 0, 0x2B363B1A }, - { ixDIDT_SQ_WEIGHT4_7, 0xFFFFFFFF, 0, 0x270B2432 }, - { ixDIDT_SQ_WEIGHT8_11, 0xFFFFFFFF, 0, 0x00000018 }, - - /* DIDT_TD */ - { ixDIDT_TD_WEIGHT0_3, 0xFFFFFFFF, 0, 0x2B1D220F }, - { ixDIDT_TD_WEIGHT4_7, 0xFFFFFFFF, 0, 0x00007558 }, - { ixDIDT_TD_WEIGHT8_11, 0xFFFFFFFF, 0, 0x00000000 }, - - /* DIDT_TCP */ - { ixDIDT_TCP_WEIGHT0_3, 0xFFFFFFFF, 0, 0x5ACE160D }, - { ixDIDT_TCP_WEIGHT4_7, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TCP_WEIGHT8_11, 0xFFFFFFFF, 0, 0x00000000 }, - - /* DIDT_DB */ - { ixDIDT_DB_WEIGHT0_3, 0xFFFFFFFF, 0, 0x0E152A0F }, - { ixDIDT_DB_WEIGHT4_7, 0xFFFFFFFF, 0, 0x09061813 }, - { ixDIDT_DB_WEIGHT8_11, 0xFFFFFFFF, 0, 0x00000013 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEDiDtCtrl0Config_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_CTRL_EN_MASK, DIDT_SQ_CTRL0__DIDT_CTRL_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__PHASE_OFFSET_MASK, DIDT_SQ_CTRL0__PHASE_OFFSET__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_CTRL_RST_MASK, DIDT_SQ_CTRL0__DIDT_CTRL_RST__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_CLK_EN_OVERRIDE_MASK, DIDT_SQ_CTRL0__DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_STALL_CTRL_EN_MASK, DIDT_SQ_CTRL0__DIDT_STALL_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_TUNING_CTRL_EN_MASK, DIDT_SQ_CTRL0__DIDT_TUNING_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_STALL_AUTO_RELEASE_EN_MASK, DIDT_SQ_CTRL0__DIDT_STALL_AUTO_RELEASE_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_HI_POWER_THRESHOLD_MASK, DIDT_SQ_CTRL0__DIDT_HI_POWER_THRESHOLD__SHIFT, 0xffff }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_AUTO_MPD_EN_MASK, DIDT_SQ_CTRL0__DIDT_AUTO_MPD_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_STALL_EVENT_EN_MASK, DIDT_SQ_CTRL0__DIDT_STALL_EVENT_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_CTRL0, DIDT_SQ_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR_MASK, DIDT_SQ_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR__SHIFT, 0x0000 }, - /* DIDT_TD */ - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_CTRL_EN_MASK, DIDT_TD_CTRL0__DIDT_CTRL_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__PHASE_OFFSET_MASK, DIDT_TD_CTRL0__PHASE_OFFSET__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_CTRL_RST_MASK, DIDT_TD_CTRL0__DIDT_CTRL_RST__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_CLK_EN_OVERRIDE_MASK, DIDT_TD_CTRL0__DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_STALL_CTRL_EN_MASK, DIDT_TD_CTRL0__DIDT_STALL_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_TUNING_CTRL_EN_MASK, DIDT_TD_CTRL0__DIDT_TUNING_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_STALL_AUTO_RELEASE_EN_MASK, DIDT_TD_CTRL0__DIDT_STALL_AUTO_RELEASE_EN__SHIFT, 0x0001 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_HI_POWER_THRESHOLD_MASK, DIDT_TD_CTRL0__DIDT_HI_POWER_THRESHOLD__SHIFT, 0xffff }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_AUTO_MPD_EN_MASK, DIDT_TD_CTRL0__DIDT_AUTO_MPD_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_STALL_EVENT_EN_MASK, DIDT_TD_CTRL0__DIDT_STALL_EVENT_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_CTRL0, DIDT_TD_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR_MASK, DIDT_TD_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR__SHIFT, 0x0000 }, - /* DIDT_TCP */ - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_CTRL_EN_MASK, DIDT_TCP_CTRL0__DIDT_CTRL_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__PHASE_OFFSET_MASK, DIDT_TCP_CTRL0__PHASE_OFFSET__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_CTRL_RST_MASK, DIDT_TCP_CTRL0__DIDT_CTRL_RST__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_CLK_EN_OVERRIDE_MASK, DIDT_TCP_CTRL0__DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_STALL_CTRL_EN_MASK, DIDT_TCP_CTRL0__DIDT_STALL_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_TUNING_CTRL_EN_MASK, DIDT_TCP_CTRL0__DIDT_TUNING_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_STALL_AUTO_RELEASE_EN_MASK, DIDT_TCP_CTRL0__DIDT_STALL_AUTO_RELEASE_EN__SHIFT, 0x0001 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_HI_POWER_THRESHOLD_MASK, DIDT_TCP_CTRL0__DIDT_HI_POWER_THRESHOLD__SHIFT, 0xffff }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_AUTO_MPD_EN_MASK, DIDT_TCP_CTRL0__DIDT_AUTO_MPD_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_STALL_EVENT_EN_MASK, DIDT_TCP_CTRL0__DIDT_STALL_EVENT_EN__SHIFT, 0x0000 }, - { ixDIDT_TCP_CTRL0, DIDT_TCP_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR_MASK, DIDT_TCP_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR__SHIFT, 0x0000 }, - /* DIDT_DB */ - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_CTRL_EN_MASK, DIDT_DB_CTRL0__DIDT_CTRL_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__PHASE_OFFSET_MASK, DIDT_DB_CTRL0__PHASE_OFFSET__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_CTRL_RST_MASK, DIDT_DB_CTRL0__DIDT_CTRL_RST__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_CLK_EN_OVERRIDE_MASK, DIDT_DB_CTRL0__DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_STALL_CTRL_EN_MASK, DIDT_DB_CTRL0__DIDT_STALL_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_TUNING_CTRL_EN_MASK, DIDT_DB_CTRL0__DIDT_TUNING_CTRL_EN__SHIFT, 0x0001 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_STALL_AUTO_RELEASE_EN_MASK, DIDT_DB_CTRL0__DIDT_STALL_AUTO_RELEASE_EN__SHIFT, 0x0001 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_HI_POWER_THRESHOLD_MASK, DIDT_DB_CTRL0__DIDT_HI_POWER_THRESHOLD__SHIFT, 0xffff }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_AUTO_MPD_EN_MASK, DIDT_DB_CTRL0__DIDT_AUTO_MPD_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_STALL_EVENT_EN_MASK, DIDT_DB_CTRL0__DIDT_STALL_EVENT_EN__SHIFT, 0x0000 }, - { ixDIDT_DB_CTRL0, DIDT_DB_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR_MASK, DIDT_DB_CTRL0__DIDT_STALL_EVENT_COUNTER_CLEAR__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - - -static const struct vega12_didt_config_reg SEDiDtStallCtrlConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ */ - { ixDIDT_SQ_STALL_CTRL, DIDT_SQ_STALL_CTRL__DIDT_STALL_DELAY_HI_MASK, DIDT_SQ_STALL_CTRL__DIDT_STALL_DELAY_HI__SHIFT, 0x0004 }, - { ixDIDT_SQ_STALL_CTRL, DIDT_SQ_STALL_CTRL__DIDT_STALL_DELAY_LO_MASK, DIDT_SQ_STALL_CTRL__DIDT_STALL_DELAY_LO__SHIFT, 0x0004 }, - { ixDIDT_SQ_STALL_CTRL, DIDT_SQ_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI_MASK, DIDT_SQ_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI__SHIFT, 0x000a }, - { ixDIDT_SQ_STALL_CTRL, DIDT_SQ_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO_MASK, DIDT_SQ_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO__SHIFT, 0x000a }, - - /* DIDT_TD */ - { ixDIDT_TD_STALL_CTRL, DIDT_TD_STALL_CTRL__DIDT_STALL_DELAY_HI_MASK, DIDT_TD_STALL_CTRL__DIDT_STALL_DELAY_HI__SHIFT, 0x0001 }, - { ixDIDT_TD_STALL_CTRL, DIDT_TD_STALL_CTRL__DIDT_STALL_DELAY_LO_MASK, DIDT_TD_STALL_CTRL__DIDT_STALL_DELAY_LO__SHIFT, 0x0001 }, - { ixDIDT_TD_STALL_CTRL, DIDT_TD_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI_MASK, DIDT_TD_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI__SHIFT, 0x000a }, - { ixDIDT_TD_STALL_CTRL, DIDT_TD_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO_MASK, DIDT_TD_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO__SHIFT, 0x000a }, - - /* DIDT_TCP */ - { ixDIDT_TCP_STALL_CTRL, DIDT_TCP_STALL_CTRL__DIDT_STALL_DELAY_HI_MASK, DIDT_TCP_STALL_CTRL__DIDT_STALL_DELAY_HI__SHIFT, 0x0001 }, - { ixDIDT_TCP_STALL_CTRL, DIDT_TCP_STALL_CTRL__DIDT_STALL_DELAY_LO_MASK, DIDT_TCP_STALL_CTRL__DIDT_STALL_DELAY_LO__SHIFT, 0x0001 }, - { ixDIDT_TCP_STALL_CTRL, DIDT_TCP_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI_MASK, DIDT_TCP_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI__SHIFT, 0x000a }, - { ixDIDT_TCP_STALL_CTRL, DIDT_TCP_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO_MASK, DIDT_TCP_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO__SHIFT, 0x000a }, - - /* DIDT_DB */ - { ixDIDT_DB_STALL_CTRL, DIDT_DB_STALL_CTRL__DIDT_STALL_DELAY_HI_MASK, DIDT_DB_STALL_CTRL__DIDT_STALL_DELAY_HI__SHIFT, 0x0004 }, - { ixDIDT_DB_STALL_CTRL, DIDT_DB_STALL_CTRL__DIDT_STALL_DELAY_LO_MASK, DIDT_DB_STALL_CTRL__DIDT_STALL_DELAY_LO__SHIFT, 0x0004 }, - { ixDIDT_DB_STALL_CTRL, DIDT_DB_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI_MASK, DIDT_DB_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_HI__SHIFT, 0x000a }, - { ixDIDT_DB_STALL_CTRL, DIDT_DB_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO_MASK, DIDT_DB_STALL_CTRL__DIDT_MAX_STALLS_ALLOWED_LO__SHIFT, 0x000a }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEDiDtStallPatternConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* DIDT_SQ_STALL_PATTERN_1_2 */ - { ixDIDT_SQ_STALL_PATTERN_1_2, DIDT_SQ_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1_MASK, DIDT_SQ_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1__SHIFT, 0x0001 }, - { ixDIDT_SQ_STALL_PATTERN_1_2, DIDT_SQ_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2_MASK, DIDT_SQ_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2__SHIFT, 0x0001 }, - - /* DIDT_SQ_STALL_PATTERN_3_4 */ - { ixDIDT_SQ_STALL_PATTERN_3_4, DIDT_SQ_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3_MASK, DIDT_SQ_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3__SHIFT, 0x0001 }, - { ixDIDT_SQ_STALL_PATTERN_3_4, DIDT_SQ_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4_MASK, DIDT_SQ_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4__SHIFT, 0x0001 }, - - /* DIDT_SQ_STALL_PATTERN_5_6 */ - { ixDIDT_SQ_STALL_PATTERN_5_6, DIDT_SQ_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5_MASK, DIDT_SQ_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5__SHIFT, 0x0000 }, - { ixDIDT_SQ_STALL_PATTERN_5_6, DIDT_SQ_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6_MASK, DIDT_SQ_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6__SHIFT, 0x0000 }, - - /* DIDT_SQ_STALL_PATTERN_7 */ - { ixDIDT_SQ_STALL_PATTERN_7, DIDT_SQ_STALL_PATTERN_7__DIDT_STALL_PATTERN_7_MASK, DIDT_SQ_STALL_PATTERN_7__DIDT_STALL_PATTERN_7__SHIFT, 0x0000 }, - - /* DIDT_TCP_STALL_PATTERN_1_2 */ - { ixDIDT_TCP_STALL_PATTERN_1_2, DIDT_TCP_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1_MASK, DIDT_TCP_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1__SHIFT, 0x0001 }, - { ixDIDT_TCP_STALL_PATTERN_1_2, DIDT_TCP_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2_MASK, DIDT_TCP_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2__SHIFT, 0x0001 }, - - /* DIDT_TCP_STALL_PATTERN_3_4 */ - { ixDIDT_TCP_STALL_PATTERN_3_4, DIDT_TCP_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3_MASK, DIDT_TCP_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3__SHIFT, 0x0001 }, - { ixDIDT_TCP_STALL_PATTERN_3_4, DIDT_TCP_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4_MASK, DIDT_TCP_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4__SHIFT, 0x0001 }, - - /* DIDT_TCP_STALL_PATTERN_5_6 */ - { ixDIDT_TCP_STALL_PATTERN_5_6, DIDT_TCP_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5_MASK, DIDT_TCP_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5__SHIFT, 0x0000 }, - { ixDIDT_TCP_STALL_PATTERN_5_6, DIDT_TCP_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6_MASK, DIDT_TCP_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6__SHIFT, 0x0000 }, - - /* DIDT_TCP_STALL_PATTERN_7 */ - { ixDIDT_TCP_STALL_PATTERN_7, DIDT_TCP_STALL_PATTERN_7__DIDT_STALL_PATTERN_7_MASK, DIDT_TCP_STALL_PATTERN_7__DIDT_STALL_PATTERN_7__SHIFT, 0x0000 }, - - /* DIDT_TD_STALL_PATTERN_1_2 */ - { ixDIDT_TD_STALL_PATTERN_1_2, DIDT_TD_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1_MASK, DIDT_TD_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1__SHIFT, 0x0001 }, - { ixDIDT_TD_STALL_PATTERN_1_2, DIDT_TD_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2_MASK, DIDT_TD_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2__SHIFT, 0x0001 }, - - /* DIDT_TD_STALL_PATTERN_3_4 */ - { ixDIDT_TD_STALL_PATTERN_3_4, DIDT_TD_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3_MASK, DIDT_TD_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3__SHIFT, 0x0001 }, - { ixDIDT_TD_STALL_PATTERN_3_4, DIDT_TD_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4_MASK, DIDT_TD_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4__SHIFT, 0x0001 }, - - /* DIDT_TD_STALL_PATTERN_5_6 */ - { ixDIDT_TD_STALL_PATTERN_5_6, DIDT_TD_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5_MASK, DIDT_TD_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5__SHIFT, 0x0000 }, - { ixDIDT_TD_STALL_PATTERN_5_6, DIDT_TD_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6_MASK, DIDT_TD_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6__SHIFT, 0x0000 }, - - /* DIDT_TD_STALL_PATTERN_7 */ - { ixDIDT_TD_STALL_PATTERN_7, DIDT_TD_STALL_PATTERN_7__DIDT_STALL_PATTERN_7_MASK, DIDT_TD_STALL_PATTERN_7__DIDT_STALL_PATTERN_7__SHIFT, 0x0000 }, - - /* DIDT_DB_STALL_PATTERN_1_2 */ - { ixDIDT_DB_STALL_PATTERN_1_2, DIDT_DB_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1_MASK, DIDT_DB_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_1__SHIFT, 0x0001 }, - { ixDIDT_DB_STALL_PATTERN_1_2, DIDT_DB_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2_MASK, DIDT_DB_STALL_PATTERN_1_2__DIDT_STALL_PATTERN_2__SHIFT, 0x0001 }, - - /* DIDT_DB_STALL_PATTERN_3_4 */ - { ixDIDT_DB_STALL_PATTERN_3_4, DIDT_DB_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3_MASK, DIDT_DB_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_3__SHIFT, 0x0001 }, - { ixDIDT_DB_STALL_PATTERN_3_4, DIDT_DB_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4_MASK, DIDT_DB_STALL_PATTERN_3_4__DIDT_STALL_PATTERN_4__SHIFT, 0x0001 }, - - /* DIDT_DB_STALL_PATTERN_5_6 */ - { ixDIDT_DB_STALL_PATTERN_5_6, DIDT_DB_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5_MASK, DIDT_DB_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_5__SHIFT, 0x0000 }, - { ixDIDT_DB_STALL_PATTERN_5_6, DIDT_DB_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6_MASK, DIDT_DB_STALL_PATTERN_5_6__DIDT_STALL_PATTERN_6__SHIFT, 0x0000 }, - - /* DIDT_DB_STALL_PATTERN_7 */ - { ixDIDT_DB_STALL_PATTERN_7, DIDT_DB_STALL_PATTERN_7__DIDT_STALL_PATTERN_7_MASK, DIDT_DB_STALL_PATTERN_7__DIDT_STALL_PATTERN_7__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SELCacConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x00060021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x00860021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x01060021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x01860021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x02060021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x02860021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x03060021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x03860021 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x04060021 }, - /* TD */ - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x000E0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x008E0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x010E0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x018E0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x020E0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x028E0020 }, - /* TCP */ - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x001c0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x009c0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x011c0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x019c0020 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x021c0020 }, - /* DB */ - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x00200008 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x00820008 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x01020008 }, - { ixSE_CAC_CNTL, 0xFFFFFFFF, 0, 0x01820008 }, - - { 0xFFFFFFFF } /* End of list */ -}; - - -static const struct vega12_didt_config_reg SEEDCStallPatternConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00030001 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x000F0007 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x003F001F }, - { ixDIDT_SQ_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x0000007F }, - /* TD */ - { ixDIDT_TD_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x00000000 }, - /* TCP */ - { ixDIDT_TCP_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TCP_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TCP_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TCP_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x00000000 }, - /* DB */ - { ixDIDT_DB_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_DB_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_DB_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_DB_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x00000000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCForceStallPatternConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00000015 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x00000000 }, - /* TD */ - { ixDIDT_TD_EDC_STALL_PATTERN_1_2, 0xFFFFFFFF, 0, 0x00000015 }, - { ixDIDT_TD_EDC_STALL_PATTERN_3_4, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_PATTERN_5_6, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_PATTERN_7, 0xFFFFFFFF, 0, 0x00000000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCStallDelayConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_STALL_DELAY_1, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_SQ_EDC_STALL_DELAY_2, 0xFFFFFFFF, 0, 0x00000000 }, - /* TD */ - { ixDIDT_TD_EDC_STALL_DELAY_1, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TD_EDC_STALL_DELAY_2, 0xFFFFFFFF, 0, 0x00000000 }, - /* TCP */ - { ixDIDT_TCP_EDC_STALL_DELAY_1, 0xFFFFFFFF, 0, 0x00000000 }, - { ixDIDT_TCP_EDC_STALL_DELAY_2, 0xFFFFFFFF, 0, 0x00000000 }, - /* DB */ - { ixDIDT_DB_EDC_STALL_DELAY_1, 0xFFFFFFFF, 0, 0x00000000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCThresholdConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { ixDIDT_SQ_EDC_THRESHOLD, 0xFFFFFFFF, 0, 0x0000010E }, - { ixDIDT_TD_EDC_THRESHOLD, 0xFFFFFFFF, 0, 0xFFFFFFFF }, - { ixDIDT_TCP_EDC_THRESHOLD, 0xFFFFFFFF, 0, 0xFFFFFFFF }, - { ixDIDT_DB_EDC_THRESHOLD, 0xFFFFFFFF, 0, 0xFFFFFFFF }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCCtrlResetConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_EN_MASK, DIDT_SQ_EDC_CTRL__EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_SW_RST_MASK, DIDT_SQ_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCCtrlConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_EN_MASK, DIDT_SQ_EDC_CTRL__EDC_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_SW_RST_MASK, DIDT_SQ_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0004 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0006 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg SEEDCCtrlForceStallConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ */ - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_EN_MASK, DIDT_SQ_EDC_CTRL__EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_SW_RST_MASK, DIDT_SQ_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x000C }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0001 }, - - /* TD */ - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_EN_MASK, DIDT_TD_EDC_CTRL__EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_SW_RST_MASK, DIDT_TD_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_TD_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_TD_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0001 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_TD_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0001 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_TD_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x000E }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_TD_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__GC_EDC_EN_MASK, DIDT_TD_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_TD_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_TD_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_TD_EDC_CTRL, DIDT_TD_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_TD_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0001 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg GCDiDtDroopCtrlConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_DIDT_DROOP_CTRL, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_EN_MASK, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_EN__SHIFT, 0x0000 }, - { mmGC_DIDT_DROOP_CTRL, GC_DIDT_DROOP_CTRL__DIDT_DROOP_THRESHOLD_MASK, GC_DIDT_DROOP_CTRL__DIDT_DROOP_THRESHOLD__SHIFT, 0x0000 }, - { mmGC_DIDT_DROOP_CTRL, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_INDEX_MASK, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_INDEX__SHIFT, 0x0000 }, - { mmGC_DIDT_DROOP_CTRL, GC_DIDT_DROOP_CTRL__DIDT_LEVEL_SEL_MASK, GC_DIDT_DROOP_CTRL__DIDT_LEVEL_SEL__SHIFT, 0x0000 }, - { mmGC_DIDT_DROOP_CTRL, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_OVERFLOW_MASK, GC_DIDT_DROOP_CTRL__DIDT_DROOP_LEVEL_OVERFLOW__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg GCDiDtCtrl0Config_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_DIDT_CTRL0, GC_DIDT_CTRL0__DIDT_CTRL_EN_MASK, GC_DIDT_CTRL0__DIDT_CTRL_EN__SHIFT, 0x0000 }, - { mmGC_DIDT_CTRL0, GC_DIDT_CTRL0__PHASE_OFFSET_MASK, GC_DIDT_CTRL0__PHASE_OFFSET__SHIFT, 0x0000 }, - { mmGC_DIDT_CTRL0, GC_DIDT_CTRL0__DIDT_SW_RST_MASK, GC_DIDT_CTRL0__DIDT_SW_RST__SHIFT, 0x0000 }, - { mmGC_DIDT_CTRL0, GC_DIDT_CTRL0__DIDT_CLK_EN_OVERRIDE_MASK, GC_DIDT_CTRL0__DIDT_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { mmGC_DIDT_CTRL0, GC_DIDT_CTRL0__DIDT_TRIGGER_THROTTLE_LOWBIT_MASK, GC_DIDT_CTRL0__DIDT_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { 0xFFFFFFFF } /* End of list */ -}; - - -static const struct vega12_didt_config_reg PSMSEEDCStallPatternConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ EDC STALL PATTERNs */ - { ixDIDT_SQ_EDC_STALL_PATTERN_1_2, DIDT_SQ_EDC_STALL_PATTERN_1_2__EDC_STALL_PATTERN_1_MASK, DIDT_SQ_EDC_STALL_PATTERN_1_2__EDC_STALL_PATTERN_1__SHIFT, 0x0101 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_1_2, DIDT_SQ_EDC_STALL_PATTERN_1_2__EDC_STALL_PATTERN_2_MASK, DIDT_SQ_EDC_STALL_PATTERN_1_2__EDC_STALL_PATTERN_2__SHIFT, 0x0101 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_3_4, DIDT_SQ_EDC_STALL_PATTERN_3_4__EDC_STALL_PATTERN_3_MASK, DIDT_SQ_EDC_STALL_PATTERN_3_4__EDC_STALL_PATTERN_3__SHIFT, 0x1111 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_3_4, DIDT_SQ_EDC_STALL_PATTERN_3_4__EDC_STALL_PATTERN_4_MASK, DIDT_SQ_EDC_STALL_PATTERN_3_4__EDC_STALL_PATTERN_4__SHIFT, 0x1111 }, - - { ixDIDT_SQ_EDC_STALL_PATTERN_5_6, DIDT_SQ_EDC_STALL_PATTERN_5_6__EDC_STALL_PATTERN_5_MASK, DIDT_SQ_EDC_STALL_PATTERN_5_6__EDC_STALL_PATTERN_5__SHIFT, 0x1515 }, - { ixDIDT_SQ_EDC_STALL_PATTERN_5_6, DIDT_SQ_EDC_STALL_PATTERN_5_6__EDC_STALL_PATTERN_6_MASK, DIDT_SQ_EDC_STALL_PATTERN_5_6__EDC_STALL_PATTERN_6__SHIFT, 0x1515 }, - - { ixDIDT_SQ_EDC_STALL_PATTERN_7, DIDT_SQ_EDC_STALL_PATTERN_7__EDC_STALL_PATTERN_7_MASK, DIDT_SQ_EDC_STALL_PATTERN_7__EDC_STALL_PATTERN_7__SHIFT, 0x5555 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMSEEDCStallDelayConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ EDC STALL DELAYs */ - { ixDIDT_SQ_EDC_STALL_DELAY_1, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ0_MASK, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ0__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_STALL_DELAY_1, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ1_MASK, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ1__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_STALL_DELAY_1, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ2_MASK, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ2__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_STALL_DELAY_1, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ3_MASK, DIDT_SQ_EDC_STALL_DELAY_1__EDC_STALL_DELAY_SQ3__SHIFT, 0x0000 }, - - { ixDIDT_SQ_EDC_STALL_DELAY_2, DIDT_SQ_EDC_STALL_DELAY_2__EDC_STALL_DELAY_SQ4_MASK, DIDT_SQ_EDC_STALL_DELAY_2__EDC_STALL_DELAY_SQ4__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMSEEDCThresholdConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ EDC THRESHOLD */ - { ixDIDT_SQ_EDC_THRESHOLD, DIDT_SQ_EDC_THRESHOLD__EDC_THRESHOLD_MASK, DIDT_SQ_EDC_THRESHOLD__EDC_THRESHOLD__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMSEEDCCtrlResetConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ EDC CTRL */ - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_EN_MASK, DIDT_SQ_EDC_CTRL__EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_SW_RST_MASK, DIDT_SQ_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMSEEDCCtrlConfig_Vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - /* SQ EDC CTRL */ - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_EN_MASK, DIDT_SQ_EDC_CTRL__EDC_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_SW_RST_MASK, DIDT_SQ_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, DIDT_SQ_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL_MASK, DIDT_SQ_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, DIDT_SQ_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS_MASK, DIDT_SQ_EDC_CTRL__EDC_STALL_PATTERN_BIT_NUMS__SHIFT, 0x000E }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, DIDT_SQ_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_STALL_POLICY__SHIFT, 0x0003 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__GC_EDC_LEVEL_COMB_EN__SHIFT, 0x0001 }, - { ixDIDT_SQ_EDC_CTRL, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN_MASK, DIDT_SQ_EDC_CTRL__SE_EDC_LEVEL_COMB_EN__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMGCEDCThresholdConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_EDC_THRESHOLD, GC_EDC_THRESHOLD__EDC_THRESHOLD_MASK, GC_EDC_THRESHOLD__EDC_THRESHOLD__SHIFT, 0x0000000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMGCEDCDroopCtrlConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_EDC_DROOP_CTRL, GC_EDC_DROOP_CTRL__EDC_DROOP_LEVEL_EN_MASK, GC_EDC_DROOP_CTRL__EDC_DROOP_LEVEL_EN__SHIFT, 0x0001 }, - { mmGC_EDC_DROOP_CTRL, GC_EDC_DROOP_CTRL__EDC_DROOP_THRESHOLD_MASK, GC_EDC_DROOP_CTRL__EDC_DROOP_THRESHOLD__SHIFT, 0x0384 }, - { mmGC_EDC_DROOP_CTRL, GC_EDC_DROOP_CTRL__EDC_DROOP_LEVEL_INDEX_MASK, GC_EDC_DROOP_CTRL__EDC_DROOP_LEVEL_INDEX__SHIFT, 0x0001 }, - { mmGC_EDC_DROOP_CTRL, GC_EDC_DROOP_CTRL__AVG_PSM_SEL_MASK, GC_EDC_DROOP_CTRL__AVG_PSM_SEL__SHIFT, 0x0001 }, - { mmGC_EDC_DROOP_CTRL, GC_EDC_DROOP_CTRL__EDC_LEVEL_SEL_MASK, GC_EDC_DROOP_CTRL__EDC_LEVEL_SEL__SHIFT, 0x0001 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMGCEDCCtrlResetConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_EN_MASK, GC_EDC_CTRL__EDC_EN__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_SW_RST_MASK, GC_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0001 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, GC_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_FORCE_STALL_MASK, GC_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, GC_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, GC_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg PSMGCEDCCtrlConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_EN_MASK, GC_EDC_CTRL__EDC_EN__SHIFT, 0x0001 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_SW_RST_MASK, GC_EDC_CTRL__EDC_SW_RST__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_CLK_EN_OVERRIDE_MASK, GC_EDC_CTRL__EDC_CLK_EN_OVERRIDE__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_FORCE_STALL_MASK, GC_EDC_CTRL__EDC_FORCE_STALL__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT_MASK, GC_EDC_CTRL__EDC_TRIGGER_THROTTLE_LOWBIT__SHIFT, 0x0000 }, - { mmGC_EDC_CTRL, GC_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA_MASK, GC_EDC_CTRL__EDC_ALLOW_WRITE_PWRDELTA__SHIFT, 0x0000 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg AvfsPSMResetConfig_vega12[]= -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { 0x16A02, 0xFFFFFFFF, 0x0, 0x0000005F }, - { 0x16A05, 0xFFFFFFFF, 0x0, 0x00000001 }, - { 0x16A06, 0x00000001, 0x0, 0x02000000 }, - { 0x16A01, 0xFFFFFFFF, 0x0, 0x00003027 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static const struct vega12_didt_config_reg AvfsPSMInitConfig_vega12[] = -{ -/* --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - * Offset Mask Shift Value - * --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - */ - { 0x16A05, 0xFFFFFFFF, 0x18, 0x00000001 }, - { 0x16A05, 0xFFFFFFFF, 0x8, 0x00000003 }, - { 0x16A05, 0xFFFFFFFF, 0xa, 0x00000006 }, - { 0x16A05, 0xFFFFFFFF, 0x7, 0x00000000 }, - { 0x16A06, 0xFFFFFFFF, 0x18, 0x00000001 }, - { 0x16A06, 0xFFFFFFFF, 0x19, 0x00000001 }, - { 0x16A01, 0xFFFFFFFF, 0x0, 0x00003027 }, - - { 0xFFFFFFFF } /* End of list */ -}; - -static int vega12_program_didt_config_registers(struct pp_hwmgr *hwmgr, const struct vega12_didt_config_reg *config_regs, enum vega12_didt_config_reg_type reg_type) -{ - uint32_t data; - - PP_ASSERT_WITH_CODE((config_regs != NULL), "[vega12_program_didt_config_registers] Invalid config register table!", return -EINVAL); - - while (config_regs->offset != 0xFFFFFFFF) { - switch (reg_type) { - case VEGA12_CONFIGREG_DIDT: - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, config_regs->offset); - data &= ~config_regs->mask; - data |= ((config_regs->value << config_regs->shift) & config_regs->mask); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, config_regs->offset, data); - break; - case VEGA12_CONFIGREG_GCCAC: - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG_GC_CAC, config_regs->offset); - data &= ~config_regs->mask; - data |= ((config_regs->value << config_regs->shift) & config_regs->mask); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG_GC_CAC, config_regs->offset, data); - break; - case VEGA12_CONFIGREG_SECAC: - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG_SE_CAC, config_regs->offset); - data &= ~config_regs->mask; - data |= ((config_regs->value << config_regs->shift) & config_regs->mask); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG_SE_CAC, config_regs->offset, data); - break; - default: - return -EINVAL; - } - - config_regs++; - } - - return 0; -} - -static int vega12_program_gc_didt_config_registers(struct pp_hwmgr *hwmgr, const struct vega12_didt_config_reg *config_regs) -{ - uint32_t data; - - while (config_regs->offset != 0xFFFFFFFF) { - data = cgs_read_register(hwmgr->device, config_regs->offset); - data &= ~config_regs->mask; - data |= ((config_regs->value << config_regs->shift) & config_regs->mask); - cgs_write_register(hwmgr->device, config_regs->offset, data); - config_regs++; - } - - return 0; -} - -static void vega12_didt_set_mask(struct pp_hwmgr *hwmgr, const bool enable) -{ - uint32_t data; - int result; - uint32_t en = (enable ? 1 : 0); - uint32_t didt_block_info = SQ_IR_MASK | TCP_IR_MASK | TD_PCC_MASK; - - if (PP_CAP(PHM_PlatformCaps_SQRamping)) { - CGS_WREG32_FIELD_IND(hwmgr->device, CGS_IND_REG__DIDT, - DIDT_SQ_CTRL0, DIDT_CTRL_EN, en); - didt_block_info &= ~SQ_Enable_MASK; - didt_block_info |= en << SQ_Enable_SHIFT; - } - - if (PP_CAP(PHM_PlatformCaps_DBRamping)) { - CGS_WREG32_FIELD_IND(hwmgr->device, CGS_IND_REG__DIDT, - DIDT_DB_CTRL0, DIDT_CTRL_EN, en); - didt_block_info &= ~DB_Enable_MASK; - didt_block_info |= en << DB_Enable_SHIFT; - } - - if (PP_CAP(PHM_PlatformCaps_TDRamping)) { - CGS_WREG32_FIELD_IND(hwmgr->device, CGS_IND_REG__DIDT, - DIDT_TD_CTRL0, DIDT_CTRL_EN, en); - didt_block_info &= ~TD_Enable_MASK; - didt_block_info |= en << TD_Enable_SHIFT; - } - - if (PP_CAP(PHM_PlatformCaps_TCPRamping)) { - CGS_WREG32_FIELD_IND(hwmgr->device, CGS_IND_REG__DIDT, - DIDT_TCP_CTRL0, DIDT_CTRL_EN, en); - didt_block_info &= ~TCP_Enable_MASK; - didt_block_info |= en << TCP_Enable_SHIFT; - } - -#if 0 - if (PP_CAP(PHM_PlatformCaps_DBRRamping)) { - CGS_WREG32_FIELD_IND(hwmgr->device, CGS_IND_REG__DIDT, - DIDT_DBR_CTRL0, DIDT_CTRL_EN, en); - } -#endif - - if (PP_CAP(PHM_PlatformCaps_DiDtEDCEnable)) { - if (PP_CAP(PHM_PlatformCaps_SQRamping)) { - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_SQ_EDC_CTRL); - data = CGS_REG_SET_FIELD(data, DIDT_SQ_EDC_CTRL, EDC_EN, en); - data = CGS_REG_SET_FIELD(data, DIDT_SQ_EDC_CTRL, EDC_SW_RST, ~en); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_SQ_EDC_CTRL, data); - } - - if (PP_CAP(PHM_PlatformCaps_DBRamping)) { - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_DB_EDC_CTRL); - data = CGS_REG_SET_FIELD(data, DIDT_DB_EDC_CTRL, EDC_EN, en); - data = CGS_REG_SET_FIELD(data, DIDT_DB_EDC_CTRL, EDC_SW_RST, ~en); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_DB_EDC_CTRL, data); - } - - if (PP_CAP(PHM_PlatformCaps_TDRamping)) { - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_TD_EDC_CTRL); - data = CGS_REG_SET_FIELD(data, DIDT_TD_EDC_CTRL, EDC_EN, en); - data = CGS_REG_SET_FIELD(data, DIDT_TD_EDC_CTRL, EDC_SW_RST, ~en); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_TD_EDC_CTRL, data); - } - - if (PP_CAP(PHM_PlatformCaps_TCPRamping)) { - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_TCP_EDC_CTRL); - data = CGS_REG_SET_FIELD(data, DIDT_TCP_EDC_CTRL, EDC_EN, en); - data = CGS_REG_SET_FIELD(data, DIDT_TCP_EDC_CTRL, EDC_SW_RST, ~en); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_TCP_EDC_CTRL, data); - } - -#if 0 - if (PP_CAP(PHM_PlatformCaps_DBRRamping)) { - data = cgs_read_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_DBR_EDC_CTRL); - data = CGS_REG_SET_FIELD(data, DIDT_DBR_EDC_CTRL, EDC_EN, en); - data = CGS_REG_SET_FIELD(data, DIDT_DBR_EDC_CTRL, EDC_SW_RST, ~en); - cgs_write_ind_register(hwmgr->device, CGS_IND_REG__DIDT, ixDIDT_DBR_EDC_CTRL, data); - } -#endif - } - - if (enable) { - /* For Vega12, SMC does not support any mask yet. */ - result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ConfigureGfxDidt, didt_block_info); - PP_ASSERT((0 == result), "[EnableDiDtConfig] SMC Configure Gfx Didt Failed!"); - } -} - -static int vega12_enable_cac_driving_se_didt_config(struct pp_hwmgr *hwmgr) -{ - int result; - uint32_t num_se = 0, count, data; - struct amdgpu_device *adev = hwmgr->adev; - uint32_t reg; - - num_se = adev->gfx.config.max_shader_engines; - - cgs_enter_safe_mode(hwmgr->device, true); - - cgs_lock_grbm_idx(hwmgr->device, true); - reg = soc15_get_register_offset(GC_HWID, 0, mmGRBM_GFX_INDEX_BASE_IDX, mmGRBM_GFX_INDEX); - for (count = 0; count < num_se; count++) { - data = GRBM_GFX_INDEX__INSTANCE_BROADCAST_WRITES_MASK | GRBM_GFX_INDEX__SH_BROADCAST_WRITES_MASK | ( count << GRBM_GFX_INDEX__SE_INDEX__SHIFT); - cgs_write_register(hwmgr->device, reg, data); - - result = vega12_program_didt_config_registers(hwmgr, SEDiDtStallCtrlConfig_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtStallPatternConfig_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtWeightConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl1Config_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl2Config_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl3Config_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtTuningCtrlConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SELCacConfig_Vega12, VEGA12_CONFIGREG_SECAC); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl0Config_Vega12, VEGA12_CONFIGREG_DIDT); - - if (0 != result) - break; - } - cgs_write_register(hwmgr->device, reg, 0xE0000000); - cgs_lock_grbm_idx(hwmgr->device, false); - - vega12_didt_set_mask(hwmgr, true); - - cgs_enter_safe_mode(hwmgr->device, false); - - return 0; -} - -static int vega12_disable_cac_driving_se_didt_config(struct pp_hwmgr *hwmgr) -{ - cgs_enter_safe_mode(hwmgr->device, true); - - vega12_didt_set_mask(hwmgr, false); - - cgs_enter_safe_mode(hwmgr->device, false); - - return 0; -} - -static int vega12_enable_psm_gc_didt_config(struct pp_hwmgr *hwmgr) -{ - int result; - uint32_t num_se = 0, count, data; - struct amdgpu_device *adev = hwmgr->adev; - uint32_t reg; - - num_se = adev->gfx.config.max_shader_engines; - - cgs_enter_safe_mode(hwmgr->device, true); - - cgs_lock_grbm_idx(hwmgr->device, true); - reg = soc15_get_register_offset(GC_HWID, 0, mmGRBM_GFX_INDEX_BASE_IDX, mmGRBM_GFX_INDEX); - for (count = 0; count < num_se; count++) { - data = GRBM_GFX_INDEX__INSTANCE_BROADCAST_WRITES_MASK | GRBM_GFX_INDEX__SH_BROADCAST_WRITES_MASK | ( count << GRBM_GFX_INDEX__SE_INDEX__SHIFT); - cgs_write_register(hwmgr->device, reg, data); - - result = vega12_program_didt_config_registers(hwmgr, SEDiDtStallCtrlConfig_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtStallPatternConfig_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl3Config_vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEDiDtCtrl0Config_Vega12, VEGA12_CONFIGREG_DIDT); - if (0 != result) - break; - } - cgs_write_register(hwmgr->device, reg, 0xE0000000); - cgs_lock_grbm_idx(hwmgr->device, false); - - vega12_didt_set_mask(hwmgr, true); - - cgs_enter_safe_mode(hwmgr->device, false); - - vega12_program_gc_didt_config_registers(hwmgr, GCDiDtDroopCtrlConfig_vega12); - if (PP_CAP(PHM_PlatformCaps_GCEDC)) - vega12_program_gc_didt_config_registers(hwmgr, GCDiDtCtrl0Config_vega12); - - if (PP_CAP(PHM_PlatformCaps_PSM)) - vega12_program_gc_didt_config_registers(hwmgr, AvfsPSMInitConfig_vega12); - - return 0; -} - -static int vega12_disable_psm_gc_didt_config(struct pp_hwmgr *hwmgr) -{ - uint32_t data; - - cgs_enter_safe_mode(hwmgr->device, true); - - vega12_didt_set_mask(hwmgr, false); - - cgs_enter_safe_mode(hwmgr->device, false); - - if (PP_CAP(PHM_PlatformCaps_GCEDC)) { - data = 0x00000000; - cgs_write_register(hwmgr->device, mmGC_DIDT_CTRL0, data); - } - - if (PP_CAP(PHM_PlatformCaps_PSM)) - vega12_program_gc_didt_config_registers(hwmgr, AvfsPSMResetConfig_vega12); - - return 0; -} - -static int vega12_enable_se_edc_config(struct pp_hwmgr *hwmgr) -{ - int result; - uint32_t num_se = 0, count, data; - struct amdgpu_device *adev = hwmgr->adev; - uint32_t reg; - - num_se = adev->gfx.config.max_shader_engines; - - cgs_enter_safe_mode(hwmgr->device, true); - - cgs_lock_grbm_idx(hwmgr->device, true); - reg = soc15_get_register_offset(GC_HWID, 0, mmGRBM_GFX_INDEX_BASE_IDX, mmGRBM_GFX_INDEX); - for (count = 0; count < num_se; count++) { - data = GRBM_GFX_INDEX__INSTANCE_BROADCAST_WRITES_MASK | GRBM_GFX_INDEX__SH_BROADCAST_WRITES_MASK | ( count << GRBM_GFX_INDEX__SE_INDEX__SHIFT); - cgs_write_register(hwmgr->device, reg, data); - result = vega12_program_didt_config_registers(hwmgr, SEDiDtWeightConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCStallPatternConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCStallDelayConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCThresholdConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCCtrlResetConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCCtrlConfig_Vega12, VEGA12_CONFIGREG_DIDT); - - if (0 != result) - break; - } - cgs_write_register(hwmgr->device, reg, 0xE0000000); - cgs_lock_grbm_idx(hwmgr->device, false); - - vega12_didt_set_mask(hwmgr, true); - - cgs_enter_safe_mode(hwmgr->device, false); - - return 0; -} - -static int vega12_disable_se_edc_config(struct pp_hwmgr *hwmgr) -{ - cgs_enter_safe_mode(hwmgr->device, true); - - vega12_didt_set_mask(hwmgr, false); - - cgs_enter_safe_mode(hwmgr->device, false); - - return 0; -} - -static int vega12_enable_psm_gc_edc_config(struct pp_hwmgr *hwmgr) -{ - int result; - uint32_t num_se = 0; - uint32_t count, data; - struct amdgpu_device *adev = hwmgr->adev; - uint32_t reg; - - num_se = adev->gfx.config.max_shader_engines; - - cgs_enter_safe_mode(hwmgr->device, true); - - vega12_program_gc_didt_config_registers(hwmgr, AvfsPSMResetConfig_vega12); - - cgs_lock_grbm_idx(hwmgr->device, true); - reg = soc15_get_register_offset(GC_HWID, 0, mmGRBM_GFX_INDEX_BASE_IDX, mmGRBM_GFX_INDEX); - for (count = 0; count < num_se; count++) { - data = GRBM_GFX_INDEX__INSTANCE_BROADCAST_WRITES_MASK | GRBM_GFX_INDEX__SH_BROADCAST_WRITES_MASK | ( count << GRBM_GFX_INDEX__SE_INDEX__SHIFT); - cgs_write_register(hwmgr->device, reg, data); - result |= vega12_program_didt_config_registers(hwmgr, PSMSEEDCStallPatternConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, PSMSEEDCStallDelayConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, PSMSEEDCCtrlResetConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, PSMSEEDCCtrlConfig_Vega12, VEGA12_CONFIGREG_DIDT); - - if (0 != result) - break; - } - cgs_write_register(hwmgr->device, reg, 0xE0000000); - cgs_lock_grbm_idx(hwmgr->device, false); - - vega12_didt_set_mask(hwmgr, true); - - cgs_enter_safe_mode(hwmgr->device, false); - - vega12_program_gc_didt_config_registers(hwmgr, PSMGCEDCDroopCtrlConfig_vega12); - - if (PP_CAP(PHM_PlatformCaps_GCEDC)) { - vega12_program_gc_didt_config_registers(hwmgr, PSMGCEDCCtrlResetConfig_vega12); - vega12_program_gc_didt_config_registers(hwmgr, PSMGCEDCCtrlConfig_vega12); - } - - if (PP_CAP(PHM_PlatformCaps_PSM)) - vega12_program_gc_didt_config_registers(hwmgr, AvfsPSMInitConfig_vega12); - - return 0; -} - -static int vega12_disable_psm_gc_edc_config(struct pp_hwmgr *hwmgr) -{ - uint32_t data; - - cgs_enter_safe_mode(hwmgr->device, true); - - vega12_didt_set_mask(hwmgr, false); - - cgs_enter_safe_mode(hwmgr->device, false); - - if (PP_CAP(PHM_PlatformCaps_GCEDC)) { - data = 0x00000000; - cgs_write_register(hwmgr->device, mmGC_EDC_CTRL, data); - } - - if (PP_CAP(PHM_PlatformCaps_PSM)) - vega12_program_gc_didt_config_registers(hwmgr, AvfsPSMResetConfig_vega12); - - return 0; -} - -static int vega12_enable_se_edc_force_stall_config(struct pp_hwmgr *hwmgr) -{ - uint32_t reg; - int result; - - cgs_enter_safe_mode(hwmgr->device, true); - - cgs_lock_grbm_idx(hwmgr->device, true); - reg = soc15_get_register_offset(GC_HWID, 0, mmGRBM_GFX_INDEX_BASE_IDX, mmGRBM_GFX_INDEX); - cgs_write_register(hwmgr->device, reg, 0xE0000000); - cgs_lock_grbm_idx(hwmgr->device, false); - - result = vega12_program_didt_config_registers(hwmgr, SEEDCForceStallPatternConfig_Vega12, VEGA12_CONFIGREG_DIDT); - result |= vega12_program_didt_config_registers(hwmgr, SEEDCCtrlForceStallConfig_Vega12, VEGA12_CONFIGREG_DIDT); - if (0 != result) - return result; - - vega12_didt_set_mask(hwmgr, false); - - cgs_enter_safe_mode(hwmgr->device, false); - - return 0; -} - -static int vega12_disable_se_edc_force_stall_config(struct pp_hwmgr *hwmgr) -{ - int result; - - result = vega12_disable_se_edc_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDtConfig] Pre DIDT disable clock gating failed!", return result); - - return 0; -} - -int vega12_enable_didt_config(struct pp_hwmgr *hwmgr) -{ - int result = 0; - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_DIDT].supported) { - if (data->smu_features[GNLD_DIDT].enabled) - PP_DBG_LOG("[EnableDiDtConfig] Feature DiDt Already enabled!\n"); - - switch (data->registry_data.didt_mode) { - case 0: - result = vega12_enable_cac_driving_se_didt_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDt] Attempt to enable DiDt Mode 0 Failed!", return result); - break; - case 2: - result = vega12_enable_psm_gc_didt_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDt] Attempt to enable DiDt Mode 2 Failed!", return result); - break; - case 3: - result = vega12_enable_se_edc_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDt] Attempt to enable DiDt Mode 3 Failed!", return result); - break; - case 1: - case 4: - case 5: - result = vega12_enable_psm_gc_edc_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDt] Attempt to enable DiDt Mode 5 Failed!", return result); - break; - case 6: - result = vega12_enable_se_edc_force_stall_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDt] Attempt to enable DiDt Mode 6 Failed!", return result); - break; - default: - result = -EINVAL; - break; - } - -#if 0 - if (0 == result) { - result = vega12_enable_smc_features(hwmgr, true, data->smu_features[GNLD_DIDT].smu_feature_bitmap); - PP_ASSERT_WITH_CODE((0 == result), "[EnableDiDtConfig] Attempt to Enable DiDt feature Failed!", return result); - data->smu_features[GNLD_DIDT].enabled = true; - } -#endif - } - - return result; -} - -int vega12_disable_didt_config(struct pp_hwmgr *hwmgr) -{ - int result = 0; - struct vega12_hwmgr *data = (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_DIDT].supported) { - if (!data->smu_features[GNLD_DIDT].enabled) - PP_DBG_LOG("[DisableDiDtConfig] Feature DiDt Already Disabled!\n"); - - switch (data->registry_data.didt_mode) { - case 0: - result = vega12_disable_cac_driving_se_didt_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDt] Attempt to disable DiDt Mode 0 Failed!", return result); - break; - case 2: - result = vega12_disable_psm_gc_didt_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDt] Attempt to disable DiDt Mode 2 Failed!", return result); - break; - case 3: - result = vega12_disable_se_edc_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDt] Attempt to disable DiDt Mode 3 Failed!", return result); - break; - case 1: - case 4: - case 5: - result = vega12_disable_psm_gc_edc_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDt] Attempt to disable DiDt Mode 5 Failed!", return result); - break; - case 6: - result = vega12_disable_se_edc_force_stall_config(hwmgr); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDt] Attempt to disable DiDt Mode 6 Failed!", return result); - break; - default: - result = -EINVAL; - break; - } - - if (0 == result) { - result = vega12_enable_smc_features(hwmgr, false, data->smu_features[GNLD_DIDT].smu_feature_bitmap); - PP_ASSERT_WITH_CODE((0 == result), "[DisableDiDtConfig] Attempt to Disable DiDt feature Failed!", return result); - data->smu_features[GNLD_DIDT].enabled = false; - } - } - - return result; -} - -int vega12_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n) -{ - struct vega12_hwmgr *data = - (struct vega12_hwmgr *)(hwmgr->backend); - - if (data->smu_features[GNLD_PPT].enabled) - return smum_send_msg_to_smc_with_parameter(hwmgr, - PPSMC_MSG_SetPptLimit, n); - - return 0; -} - -int vega12_enable_power_containment(struct pp_hwmgr *hwmgr) -{ - struct vega12_hwmgr *data = - (struct vega12_hwmgr *)(hwmgr->backend); - struct phm_ppt_v2_information *table_info = - (struct phm_ppt_v2_information *)(hwmgr->pptable); - struct phm_tdp_table *tdp_table = table_info->tdp_table; - uint32_t default_pwr_limit = - (uint32_t)(tdp_table->usMaximumPowerDeliveryLimit); - int result = 0; - - if (PP_CAP(PHM_PlatformCaps_PowerContainment)) { - if (data->smu_features[GNLD_PPT].supported) - PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(hwmgr, - true, data->smu_features[GNLD_PPT].smu_feature_bitmap), - "Attempt to enable PPT feature Failed!", - data->smu_features[GNLD_PPT].supported = false); - - if (data->smu_features[GNLD_TDC].supported) - PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(hwmgr, - true, data->smu_features[GNLD_TDC].smu_feature_bitmap), - "Attempt to enable PPT feature Failed!", - data->smu_features[GNLD_TDC].supported = false); - - result = vega12_set_power_limit(hwmgr, default_pwr_limit); - PP_ASSERT_WITH_CODE(!result, - "Failed to set Default Power Limit in SMC!", - return result); - } - - return result; -} - -int vega12_disable_power_containment(struct pp_hwmgr *hwmgr) -{ - struct vega12_hwmgr *data = - (struct vega12_hwmgr *)(hwmgr->backend); - - if (PP_CAP(PHM_PlatformCaps_PowerContainment)) { - if (data->smu_features[GNLD_PPT].supported) - PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(hwmgr, - false, data->smu_features[GNLD_PPT].smu_feature_bitmap), - "Attempt to disable PPT feature Failed!", - data->smu_features[GNLD_PPT].supported = false); - - if (data->smu_features[GNLD_TDC].supported) - PP_ASSERT_WITH_CODE(!vega12_enable_smc_features(hwmgr, - false, data->smu_features[GNLD_TDC].smu_feature_bitmap), - "Attempt to disable PPT feature Failed!", - data->smu_features[GNLD_TDC].supported = false); - } - - return 0; -} - -static int vega12_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr, - uint32_t adjust_percent) -{ - return smum_send_msg_to_smc_with_parameter(hwmgr, - PPSMC_MSG_OverDriveSetPercentage, adjust_percent); -} - -int vega12_power_control_set_level(struct pp_hwmgr *hwmgr) -{ - int adjust_percent, result = 0; - - if (PP_CAP(PHM_PlatformCaps_PowerContainment)) { - adjust_percent = - hwmgr->platform_descriptor.TDPAdjustmentPolarity ? - hwmgr->platform_descriptor.TDPAdjustment : - (-1 * hwmgr->platform_descriptor.TDPAdjustment); - result = vega12_set_overdrive_target_percentage(hwmgr, - (uint32_t)adjust_percent); - } - return result; -} diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.h deleted file mode 100644 index 78d31a6747dd..000000000000 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_powertune.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright 2017 Advanced Micro Devices, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - */ -#ifndef _VEGA12_POWERTUNE_H_ -#define _VEGA12_POWERTUNE_H_ - -enum vega12_didt_config_reg_type { - VEGA12_CONFIGREG_DIDT = 0, - VEGA12_CONFIGREG_GCCAC, - VEGA12_CONFIGREG_SECAC -}; - -/* PowerContainment Features */ -#define POWERCONTAINMENT_FEATURE_DTE 0x00000001 -#define POWERCONTAINMENT_FEATURE_TDCLimit 0x00000002 -#define POWERCONTAINMENT_FEATURE_PkgPwrLimit 0x00000004 - -struct vega12_didt_config_reg { - uint32_t offset; - uint32_t mask; - uint32_t shift; - uint32_t value; -}; - -int vega12_enable_power_containment(struct pp_hwmgr *hwmgr); -int vega12_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n); -int vega12_power_control_set_level(struct pp_hwmgr *hwmgr); -int vega12_disable_power_containment(struct pp_hwmgr *hwmgr); - -int vega12_enable_didt_config(struct pp_hwmgr *hwmgr); -int vega12_disable_didt_config(struct pp_hwmgr *hwmgr); - -#endif /* _VEGA12_POWERTUNE_H_ */ - diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c index e7d794980b84..b34113f45904 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_processpptables.c @@ -208,9 +208,9 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable ppsmc_pptable->LedPin1 = smc_dpm_table.ledpin1; ppsmc_pptable->LedPin2 = smc_dpm_table.ledpin2; - ppsmc_pptable->GfxclkSpreadEnabled = smc_dpm_table.gfxclkspreadenabled; - ppsmc_pptable->GfxclkSpreadPercent = smc_dpm_table.gfxclkspreadpercent; - ppsmc_pptable->GfxclkSpreadFreq = smc_dpm_table.gfxclkspreadfreq; + ppsmc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table.pllgfxclkspreadenabled; + ppsmc_pptable->PllGfxclkSpreadPercent = smc_dpm_table.pllgfxclkspreadpercent; + ppsmc_pptable->PllGfxclkSpreadFreq = smc_dpm_table.pllgfxclkspreadfreq; ppsmc_pptable->UclkSpreadEnabled = 0; ppsmc_pptable->UclkSpreadPercent = smc_dpm_table.uclkspreadpercent; @@ -220,6 +220,11 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable ppsmc_pptable->SocclkSpreadPercent = smc_dpm_table.socclkspreadpercent; ppsmc_pptable->SocclkSpreadFreq = smc_dpm_table.socclkspreadfreq; + ppsmc_pptable->AcgGfxclkSpreadEnabled = smc_dpm_table.acggfxclkspreadenabled; + ppsmc_pptable->AcgGfxclkSpreadPercent = smc_dpm_table.acggfxclkspreadpercent; + ppsmc_pptable->AcgGfxclkSpreadFreq = smc_dpm_table.acggfxclkspreadfreq; + + return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h index cd2e503a87da..fb696e3d06cf 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h +++ b/drivers/gpu/drm/amd/powerplay/inc/vega12/smu9_driver_if.h @@ -127,7 +127,7 @@ #define FEATURE_GFX_EDC_MASK (1 << FEATURE_GFX_EDC_BIT ) #define FEATURE_GFXOFF_MASK (1 << FEATURE_GFXOFF_BIT ) #define FEATURE_CG_MASK (1 << FEATURE_CG_BIT ) -#define FEATURE_ACG_MASK (1 << FEATURE_ACG_BIT ) +#define FEATURE_ACG_MASK (1 << FEATURE_ACG_BIT) #define FEATURE_SPARE_29_MASK (1 << FEATURE_SPARE_29_BIT ) #define FEATURE_SPARE_30_MASK (1 << FEATURE_SPARE_30_BIT ) #define FEATURE_SPARE_31_MASK (1 << FEATURE_SPARE_31_BIT ) @@ -481,9 +481,9 @@ typedef struct { uint8_t padding8_4; - uint8_t GfxclkSpreadEnabled; - uint8_t GfxclkSpreadPercent; - uint16_t GfxclkSpreadFreq; + uint8_t PllGfxclkSpreadEnabled; + uint8_t PllGfxclkSpreadPercent; + uint16_t PllGfxclkSpreadFreq; uint8_t UclkSpreadEnabled; uint8_t UclkSpreadPercent; @@ -493,7 +493,11 @@ typedef struct { uint8_t SocclkSpreadPercent; uint16_t SocclkSpreadFreq; - uint32_t BoardReserved[3]; + uint8_t AcgGfxclkSpreadEnabled; + uint8_t AcgGfxclkSpreadPercent; + uint16_t AcgGfxclkSpreadFreq; + + uint32_t BoardReserved[10]; uint32_t MmHubPadding[7]; diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c index 55cd204c1789..651a3f28734b 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c @@ -30,8 +30,7 @@ #include "ppatomctrl.h" #include "pp_debug.h" -#include "smu_ucode_xfer_vi.h" -#include "smu7_smumgr.h" + /* MP Apertures */ #define MP0_Public 0x03800000 @@ -392,8 +391,7 @@ static int vega12_smu_init(struct pp_hwmgr *hwmgr) struct cgs_firmware_info info = {0}; int ret; - ret = cgs_get_firmware_info(hwmgr->device, - smu7_convert_fw_type_to_cgs(UCODE_ID_SMU), + ret = cgs_get_firmware_info(hwmgr->device, CGS_UCODE_ID_SMU, &info); if (ret || !info.kptr) return -EINVAL; diff --git a/drivers/gpu/drm/omapdrm/dss/dpi.c b/drivers/gpu/drm/omapdrm/dss/dpi.c index fb1c27f69e3a..3d662e6805eb 100644 --- a/drivers/gpu/drm/omapdrm/dss/dpi.c +++ b/drivers/gpu/drm/omapdrm/dss/dpi.c @@ -142,7 +142,7 @@ static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi) } struct dpi_clk_calc_ctx { - struct dss_pll *pll; + struct dpi_data *dpi; unsigned int clkout_idx; /* inputs */ @@ -191,7 +191,7 @@ static bool dpi_calc_hsdiv_cb(int m_dispc, unsigned long dispc, ctx->pll_cinfo.mX[ctx->clkout_idx] = m_dispc; ctx->pll_cinfo.clkout[ctx->clkout_idx] = dispc; - return dispc_div_calc(ctx->pll->dss->dispc, dispc, + return dispc_div_calc(ctx->dpi->dss->dispc, dispc, ctx->pck_min, ctx->pck_max, dpi_calc_dispc_cb, ctx); } @@ -208,8 +208,8 @@ static bool dpi_calc_pll_cb(int n, int m, unsigned long fint, ctx->pll_cinfo.fint = fint; ctx->pll_cinfo.clkdco = clkdco; - return dss_pll_hsdiv_calc_a(ctx->pll, clkdco, - ctx->pck_min, dss_get_max_fck_rate(ctx->pll->dss), + return dss_pll_hsdiv_calc_a(ctx->dpi->pll, clkdco, + ctx->pck_min, dss_get_max_fck_rate(ctx->dpi->dss), dpi_calc_hsdiv_cb, ctx); } @@ -219,7 +219,7 @@ static bool dpi_calc_dss_cb(unsigned long fck, void *data) ctx->fck = fck; - return dispc_div_calc(ctx->pll->dss->dispc, fck, + return dispc_div_calc(ctx->dpi->dss->dispc, fck, ctx->pck_min, ctx->pck_max, dpi_calc_dispc_cb, ctx); } @@ -230,7 +230,7 @@ static bool dpi_pll_clk_calc(struct dpi_data *dpi, unsigned long pck, unsigned long clkin; memset(ctx, 0, sizeof(*ctx)); - ctx->pll = dpi->pll; + ctx->dpi = dpi; ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src); clkin = clk_get_rate(dpi->pll->clkin); @@ -244,7 +244,7 @@ static bool dpi_pll_clk_calc(struct dpi_data *dpi, unsigned long pck, pll_min = 0; pll_max = 0; - return dss_pll_calc_a(ctx->pll, clkin, + return dss_pll_calc_a(ctx->dpi->pll, clkin, pll_min, pll_max, dpi_calc_pll_cb, ctx); } else { /* DSS_PLL_TYPE_B */ @@ -275,6 +275,7 @@ static bool dpi_dss_clk_calc(struct dpi_data *dpi, unsigned long pck, bool ok; memset(ctx, 0, sizeof(*ctx)); + ctx->dpi = dpi; if (pck > 1000 * i * i * i) ctx->pck_min = max(pck - 1000 * i * i * i, 0lu); else diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index e415d2c097a7..48d0e6bd0508 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -140,6 +140,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = { * https://bugs.freedesktop.org/show_bug.cgi?id=101491 */ { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, + /* Asus K73TK laptop with AMD A6-3420M APU and Radeon 7670m GPU + * https://bugzilla.kernel.org/show_bug.cgi?id=51381#c52 + */ + { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2123, RADEON_PX_QUIRK_DISABLE_PX }, { 0, 0, 0, 0, 0 }, }; diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 97a0a639dad9..90d5b41007bf 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -5912,9 +5912,9 @@ static void si_set_pcie_lane_width_in_smc(struct radeon_device *rdev, { u32 lane_width; u32 new_lane_width = - (radeon_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT; + ((radeon_new_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; u32 current_lane_width = - (radeon_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT; + ((radeon_current_state->caps & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >> ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1; if (new_lane_width != current_lane_width) { radeon_set_pcie_lanes(rdev, new_lane_width); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 5a3a7ead3012..0b5cc910f62e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -525,6 +525,9 @@ #define I2C_VENDOR_ID_HANTICK 0x0911 #define I2C_PRODUCT_ID_HANTICK_5288 0x5288 +#define I2C_VENDOR_ID_RAYD 0x2386 +#define I2C_PRODUCT_ID_RAYD_3118 0x3118 + #define USB_VENDOR_ID_HANWANG 0x0b57 #define USB_DEVICE_ID_HANWANG_TABLET_FIRST 0x5000 #define USB_DEVICE_ID_HANWANG_TABLET_LAST 0x8fff diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 6836a856c243..930652c25120 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -387,7 +387,8 @@ static int hidinput_get_battery_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_CAPACITY: - if (dev->battery_report_type == HID_FEATURE_REPORT) { + if (dev->battery_status != HID_BATTERY_REPORTED && + !dev->battery_avoid_query) { value = hidinput_query_battery_capacity(dev); if (value < 0) return value; @@ -403,17 +404,17 @@ static int hidinput_get_battery_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_STATUS: - if (!dev->battery_reported && - dev->battery_report_type == HID_FEATURE_REPORT) { + if (dev->battery_status != HID_BATTERY_REPORTED && + !dev->battery_avoid_query) { value = hidinput_query_battery_capacity(dev); if (value < 0) return value; dev->battery_capacity = value; - dev->battery_reported = true; + dev->battery_status = HID_BATTERY_QUERIED; } - if (!dev->battery_reported) + if (dev->battery_status == HID_BATTERY_UNKNOWN) val->intval = POWER_SUPPLY_STATUS_UNKNOWN; else if (dev->battery_capacity == 100) val->intval = POWER_SUPPLY_STATUS_FULL; @@ -486,6 +487,14 @@ static int hidinput_setup_battery(struct hid_device *dev, unsigned report_type, dev->battery_report_type = report_type; dev->battery_report_id = field->report->id; + /* + * Stylus is normally not connected to the device and thus we + * can't query the device and get meaningful battery strength. + * We have to wait for the device to report it on its own. + */ + dev->battery_avoid_query = report_type == HID_INPUT_REPORT && + field->physical == HID_DG_STYLUS; + dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); if (IS_ERR(dev->battery)) { error = PTR_ERR(dev->battery); @@ -530,9 +539,10 @@ static void hidinput_update_battery(struct hid_device *dev, int value) capacity = hidinput_scale_battery_capacity(dev, value); - if (!dev->battery_reported || capacity != dev->battery_capacity) { + if (dev->battery_status != HID_BATTERY_REPORTED || + capacity != dev->battery_capacity) { dev->battery_capacity = capacity; - dev->battery_reported = true; + dev->battery_status = HID_BATTERY_REPORTED; power_supply_changed(dev->battery); } } diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index fbfcc8009432..b39844adea47 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -192,6 +192,11 @@ static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t int ret = 0, len; unsigned char report_number; + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + ret = -ENODEV; + goto out; + } + dev = hidraw_table[minor]->hid; if (!dev->ll_driver->raw_request) { diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 97689e98e53f..963328674e93 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -47,6 +47,7 @@ /* quirks to control the device */ #define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0) #define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1) +#define I2C_HID_QUIRK_RESEND_REPORT_DESCR BIT(2) /* flags */ #define I2C_HID_STARTED 0 @@ -171,6 +172,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV }, { I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288, I2C_HID_QUIRK_NO_IRQ_AFTER_RESET }, + { I2C_VENDOR_ID_RAYD, I2C_PRODUCT_ID_RAYD_3118, + I2C_HID_QUIRK_RESEND_REPORT_DESCR }, { 0, 0 } }; @@ -1220,6 +1223,16 @@ static int i2c_hid_resume(struct device *dev) if (ret) return ret; + /* RAYDIUM device (2386:3118) need to re-send report descr cmd + * after resume, after this it will be back normal. + * otherwise it issues too many incomplete reports. + */ + if (ihid->quirks & I2C_HID_QUIRK_RESEND_REPORT_DESCR) { + ret = i2c_hid_command(client, &hid_report_descr_cmd, NULL, 0); + if (ret) + return ret; + } + if (hid->driver && hid->driver->reset_resume) { ret = hid->driver->reset_resume(hid); return ret; diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 6da16a879c9f..5f947ec20dcb 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -689,6 +689,45 @@ static int wacom_intuos_get_tool_type(int tool_id) return tool_type; } +static void wacom_exit_report(struct wacom_wac *wacom) +{ + struct input_dev *input = wacom->pen_input; + struct wacom_features *features = &wacom->features; + unsigned char *data = wacom->data; + int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0; + + /* + * Reset all states otherwise we lose the initial states + * when in-prox next time + */ + input_report_abs(input, ABS_X, 0); + input_report_abs(input, ABS_Y, 0); + input_report_abs(input, ABS_DISTANCE, 0); + input_report_abs(input, ABS_TILT_X, 0); + input_report_abs(input, ABS_TILT_Y, 0); + if (wacom->tool[idx] >= BTN_TOOL_MOUSE) { + input_report_key(input, BTN_LEFT, 0); + input_report_key(input, BTN_MIDDLE, 0); + input_report_key(input, BTN_RIGHT, 0); + input_report_key(input, BTN_SIDE, 0); + input_report_key(input, BTN_EXTRA, 0); + input_report_abs(input, ABS_THROTTLE, 0); + input_report_abs(input, ABS_RZ, 0); + } else { + input_report_abs(input, ABS_PRESSURE, 0); + input_report_key(input, BTN_STYLUS, 0); + input_report_key(input, BTN_STYLUS2, 0); + input_report_key(input, BTN_TOUCH, 0); + input_report_abs(input, ABS_WHEEL, 0); + if (features->type >= INTUOS3S) + input_report_abs(input, ABS_Z, 0); + } + input_report_key(input, wacom->tool[idx], 0); + input_report_abs(input, ABS_MISC, 0); /* reset tool id */ + input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]); + wacom->id[idx] = 0; +} + static int wacom_intuos_inout(struct wacom_wac *wacom) { struct wacom_features *features = &wacom->features; @@ -741,36 +780,7 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) if (!wacom->id[idx]) return 1; - /* - * Reset all states otherwise we lose the initial states - * when in-prox next time - */ - input_report_abs(input, ABS_X, 0); - input_report_abs(input, ABS_Y, 0); - input_report_abs(input, ABS_DISTANCE, 0); - input_report_abs(input, ABS_TILT_X, 0); - input_report_abs(input, ABS_TILT_Y, 0); - if (wacom->tool[idx] >= BTN_TOOL_MOUSE) { - input_report_key(input, BTN_LEFT, 0); - input_report_key(input, BTN_MIDDLE, 0); - input_report_key(input, BTN_RIGHT, 0); - input_report_key(input, BTN_SIDE, 0); - input_report_key(input, BTN_EXTRA, 0); - input_report_abs(input, ABS_THROTTLE, 0); - input_report_abs(input, ABS_RZ, 0); - } else { - input_report_abs(input, ABS_PRESSURE, 0); - input_report_key(input, BTN_STYLUS, 0); - input_report_key(input, BTN_STYLUS2, 0); - input_report_key(input, BTN_TOUCH, 0); - input_report_abs(input, ABS_WHEEL, 0); - if (features->type >= INTUOS3S) - input_report_abs(input, ABS_Z, 0); - } - input_report_key(input, wacom->tool[idx], 0); - input_report_abs(input, ABS_MISC, 0); /* reset tool id */ - input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]); - wacom->id[idx] = 0; + wacom_exit_report(wacom); return 2; } @@ -1235,6 +1245,12 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom) if (!valid) continue; + if (!prox) { + wacom->shared->stylus_in_proximity = false; + wacom_exit_report(wacom); + input_sync(pen_input); + return; + } if (range) { input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1])); input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3])); diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 692b34125866..e0d59e9ff3c6 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -966,8 +966,6 @@ static void i801_enable_host_notify(struct i2c_adapter *adapter) if (!(priv->features & FEATURE_HOST_NOTIFY)) return; - priv->original_slvcmd = inb_p(SMBSLVCMD(priv)); - if (!(SMBSLVCMD_HST_NTFY_INTREN & priv->original_slvcmd)) outb_p(SMBSLVCMD_HST_NTFY_INTREN | priv->original_slvcmd, SMBSLVCMD(priv)); @@ -1615,6 +1613,10 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) outb_p(inb_p(SMBAUXCTL(priv)) & ~(SMBAUXCTL_CRC | SMBAUXCTL_E32B), SMBAUXCTL(priv)); + /* Remember original Host Notify setting */ + if (priv->features & FEATURE_HOST_NOTIFY) + priv->original_slvcmd = inb_p(SMBSLVCMD(priv)); + /* Default timeout in interrupt mode: 200 ms */ priv->adapter.timeout = HZ / 5; @@ -1699,6 +1701,15 @@ static void i801_remove(struct pci_dev *dev) */ } +static void i801_shutdown(struct pci_dev *dev) +{ + struct i801_priv *priv = pci_get_drvdata(dev); + + /* Restore config registers to avoid hard hang on some systems */ + i801_disable_host_notify(priv); + pci_write_config_byte(dev, SMBHSTCFG, priv->original_hstcfg); +} + #ifdef CONFIG_PM static int i801_suspend(struct device *dev) { @@ -1728,6 +1739,7 @@ static struct pci_driver i801_driver = { .id_table = i801_ids, .probe = i801_probe, .remove = i801_remove, + .shutdown = i801_shutdown, .driver = { .pm = &i801_pm_ops, }, diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 1adeebaa81b0..1ba40bb2b966 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1845,6 +1845,9 @@ int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) unsigned long orig_jiffies; int ret, try; + if (WARN_ON(!msgs || num < 1)) + return -EINVAL; + if (adap->quirks && i2c_check_for_quirks(adap, msgs, num)) return -EOPNOTSUPP; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 7659bc48f1db..5d9699fe1b55 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -23,12 +23,13 @@ #include <linux/delay.h> #include <linux/firmware.h> #include <linux/i2c.h> -#include <linux/platform_data/atmel_mxt_ts.h> #include <linux/input/mt.h> #include <linux/interrupt.h> #include <linux/of.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/gpio/consumer.h> +#include <linux/property.h> #include <asm/unaligned.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> @@ -268,12 +269,16 @@ static const struct v4l2_file_operations mxt_video_fops = { .poll = vb2_fop_poll, }; +enum mxt_suspend_mode { + MXT_SUSPEND_DEEP_SLEEP = 0, + MXT_SUSPEND_T9_CTRL = 1, +}; + /* Each client has this additional data */ struct mxt_data { struct i2c_client *client; struct input_dev *input_dev; char phys[64]; /* device physical location */ - const struct mxt_platform_data *pdata; struct mxt_object *object_table; struct mxt_info info; unsigned int irq; @@ -324,6 +329,11 @@ struct mxt_data { /* for config update handling */ struct completion crc_completion; + + u32 *t19_keymap; + unsigned int t19_num_keys; + + enum mxt_suspend_mode suspend_mode; }; struct mxt_vb2_buffer { @@ -742,15 +752,14 @@ static int mxt_write_object(struct mxt_data *data, static void mxt_input_button(struct mxt_data *data, u8 *message) { struct input_dev *input = data->input_dev; - const struct mxt_platform_data *pdata = data->pdata; int i; - for (i = 0; i < pdata->t19_num_keys; i++) { - if (pdata->t19_keymap[i] == KEY_RESERVED) + for (i = 0; i < data->t19_num_keys; i++) { + if (data->t19_keymap[i] == KEY_RESERVED) continue; /* Active-low switch */ - input_report_key(input, pdata->t19_keymap[i], + input_report_key(input, data->t19_keymap[i], !(message[1] & BIT(i))); } } @@ -758,7 +767,7 @@ static void mxt_input_button(struct mxt_data *data, u8 *message) static void mxt_input_sync(struct mxt_data *data) { input_mt_report_pointer_emulation(data->input_dev, - data->pdata->t19_num_keys); + data->t19_num_keys); input_sync(data->input_dev); } @@ -1858,7 +1867,6 @@ static void mxt_input_close(struct input_dev *dev); static void mxt_set_up_as_touchpad(struct input_dev *input_dev, struct mxt_data *data) { - const struct mxt_platform_data *pdata = data->pdata; int i; input_dev->name = "Atmel maXTouch Touchpad"; @@ -1872,15 +1880,14 @@ static void mxt_set_up_as_touchpad(struct input_dev *input_dev, input_abs_set_res(input_dev, ABS_MT_POSITION_Y, MXT_PIXELS_PER_MM); - for (i = 0; i < pdata->t19_num_keys; i++) - if (pdata->t19_keymap[i] != KEY_RESERVED) + for (i = 0; i < data->t19_num_keys; i++) + if (data->t19_keymap[i] != KEY_RESERVED) input_set_capability(input_dev, EV_KEY, - pdata->t19_keymap[i]); + data->t19_keymap[i]); } static int mxt_initialize_input_device(struct mxt_data *data) { - const struct mxt_platform_data *pdata = data->pdata; struct device *dev = &data->client->dev; struct input_dev *input_dev; int error; @@ -1946,7 +1953,7 @@ static int mxt_initialize_input_device(struct mxt_data *data) } /* If device has buttons we assume it is a touchpad */ - if (pdata->t19_num_keys) { + if (data->t19_num_keys) { mxt_set_up_as_touchpad(input_dev, data); mt_flags |= INPUT_MT_POINTER; } else { @@ -2868,7 +2875,7 @@ static const struct attribute_group mxt_attr_group = { static void mxt_start(struct mxt_data *data) { - switch (data->pdata->suspend_mode) { + switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: mxt_soft_reset(data); @@ -2886,12 +2893,11 @@ static void mxt_start(struct mxt_data *data) mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false); break; } - } static void mxt_stop(struct mxt_data *data) { - switch (data->pdata->suspend_mode) { + switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: /* Touch disable */ mxt_write_object(data, @@ -2921,55 +2927,49 @@ static void mxt_input_close(struct input_dev *dev) mxt_stop(data); } -#ifdef CONFIG_OF -static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) +static int mxt_parse_device_properties(struct mxt_data *data) { - struct mxt_platform_data *pdata; - struct device_node *np = client->dev.of_node; + static const char keymap_property[] = "linux,gpio-keymap"; + struct device *dev = &data->client->dev; u32 *keymap; - int proplen, ret; - - if (!np) - return ERR_PTR(-ENOENT); - - pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return ERR_PTR(-ENOMEM); + int n_keys; + int error; - if (of_find_property(np, "linux,gpio-keymap", &proplen)) { - pdata->t19_num_keys = proplen / sizeof(u32); + if (device_property_present(dev, keymap_property)) { + n_keys = device_property_read_u32_array(dev, keymap_property, + NULL, 0); + if (n_keys <= 0) { + error = n_keys < 0 ? n_keys : -EINVAL; + dev_err(dev, "invalid/malformed '%s' property: %d\n", + keymap_property, error); + return error; + } - keymap = devm_kzalloc(&client->dev, - pdata->t19_num_keys * sizeof(keymap[0]), - GFP_KERNEL); + keymap = devm_kmalloc_array(dev, n_keys, sizeof(*keymap), + GFP_KERNEL); if (!keymap) - return ERR_PTR(-ENOMEM); + return -ENOMEM; - ret = of_property_read_u32_array(np, "linux,gpio-keymap", - keymap, pdata->t19_num_keys); - if (ret) - dev_warn(&client->dev, - "Couldn't read linux,gpio-keymap: %d\n", ret); + error = device_property_read_u32_array(dev, keymap_property, + keymap, n_keys); + if (error) { + dev_err(dev, "failed to parse '%s' property: %d\n", + keymap_property, error); + return error; + } - pdata->t19_keymap = keymap; + data->t19_keymap = keymap; + data->t19_num_keys = n_keys; } - pdata->suspend_mode = MXT_SUSPEND_DEEP_SLEEP; - - return pdata; -} -#else -static const struct mxt_platform_data *mxt_parse_dt(struct i2c_client *client) -{ - return ERR_PTR(-ENOENT); + return 0; } -#endif #ifdef CONFIG_ACPI struct mxt_acpi_platform_data { const char *hid; - struct mxt_platform_data pdata; + const struct property_entry *props; }; static unsigned int samus_touchpad_buttons[] = { @@ -2979,14 +2979,16 @@ static unsigned int samus_touchpad_buttons[] = { BTN_LEFT }; +static const struct property_entry samus_touchpad_props[] = { + PROPERTY_ENTRY_U32_ARRAY("linux,gpio-keymap", samus_touchpad_buttons), + { } +}; + static struct mxt_acpi_platform_data samus_platform_data[] = { { /* Touchpad */ .hid = "ATML0000", - .pdata = { - .t19_num_keys = ARRAY_SIZE(samus_touchpad_buttons), - .t19_keymap = samus_touchpad_buttons, - }, + .props = samus_touchpad_props, }, { /* Touchscreen */ @@ -3004,14 +3006,16 @@ static unsigned int chromebook_tp_buttons[] = { BTN_LEFT }; +static const struct property_entry chromebook_tp_props[] = { + PROPERTY_ENTRY_U32_ARRAY("linux,gpio-keymap", chromebook_tp_buttons), + { } +}; + static struct mxt_acpi_platform_data chromebook_platform_data[] = { { /* Touchpad */ .hid = "ATML0000", - .pdata = { - .t19_num_keys = ARRAY_SIZE(chromebook_tp_buttons), - .t19_keymap = chromebook_tp_buttons, - }, + .props = chromebook_tp_props, }, { /* Touchscreen */ @@ -3041,83 +3045,85 @@ static const struct dmi_system_id mxt_dmi_table[] = { { } }; -static const struct mxt_platform_data *mxt_parse_acpi(struct i2c_client *client) +static int mxt_prepare_acpi_properties(struct i2c_client *client) { struct acpi_device *adev; const struct dmi_system_id *system_id; const struct mxt_acpi_platform_data *acpi_pdata; - /* - * Ignore ACPI devices representing bootloader mode. - * - * This is a bit of a hack: Google Chromebook BIOS creates ACPI - * devices for both application and bootloader modes, but we are - * interested in application mode only (if device is in bootloader - * mode we'll end up switching into application anyway). So far - * application mode addresses were all above 0x40, so we'll use it - * as a threshold. - */ - if (client->addr < 0x40) - return ERR_PTR(-ENXIO); - adev = ACPI_COMPANION(&client->dev); if (!adev) - return ERR_PTR(-ENOENT); + return -ENOENT; system_id = dmi_first_match(mxt_dmi_table); if (!system_id) - return ERR_PTR(-ENOENT); + return -ENOENT; acpi_pdata = system_id->driver_data; if (!acpi_pdata) - return ERR_PTR(-ENOENT); + return -ENOENT; while (acpi_pdata->hid) { - if (!strcmp(acpi_device_hid(adev), acpi_pdata->hid)) - return &acpi_pdata->pdata; + if (!strcmp(acpi_device_hid(adev), acpi_pdata->hid)) { + /* + * Remove previously installed properties if we + * are probing this device not for the very first + * time. + */ + device_remove_properties(&client->dev); + + /* + * Now install the platform-specific properties + * that are missing from ACPI. + */ + device_add_properties(&client->dev, acpi_pdata->props); + break; + } acpi_pdata++; } - return ERR_PTR(-ENOENT); + return 0; } #else -static const struct mxt_platform_data *mxt_parse_acpi(struct i2c_client *client) +static int mxt_prepare_acpi_properties(struct i2c_client *client) { - return ERR_PTR(-ENOENT); + return -ENOENT; } #endif -static const struct mxt_platform_data * -mxt_get_platform_data(struct i2c_client *client) -{ - const struct mxt_platform_data *pdata; - - pdata = dev_get_platdata(&client->dev); - if (pdata) - return pdata; - - pdata = mxt_parse_dt(client); - if (!IS_ERR(pdata) || PTR_ERR(pdata) != -ENOENT) - return pdata; - - pdata = mxt_parse_acpi(client); - if (!IS_ERR(pdata) || PTR_ERR(pdata) != -ENOENT) - return pdata; - - dev_err(&client->dev, "No platform data specified\n"); - return ERR_PTR(-EINVAL); -} +static const struct dmi_system_id chromebook_T9_suspend_dmi[] = { + { + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Link"), + }, + }, + { + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Peppy"), + }, + }, + { } +}; static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct mxt_data *data; - const struct mxt_platform_data *pdata; int error; - pdata = mxt_get_platform_data(client); - if (IS_ERR(pdata)) - return PTR_ERR(pdata); + /* + * Ignore ACPI devices representing bootloader mode. + * + * This is a bit of a hack: Google Chromebook BIOS creates ACPI + * devices for both application and bootloader modes, but we are + * interested in application mode only (if device is in bootloader + * mode we'll end up switching into application anyway). So far + * application mode addresses were all above 0x40, so we'll use it + * as a threshold. + */ + if (ACPI_COMPANION(&client->dev) && client->addr < 0x40) + return -ENXIO; data = devm_kzalloc(&client->dev, sizeof(struct mxt_data), GFP_KERNEL); if (!data) @@ -3127,7 +3133,6 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) client->adapter->nr, client->addr); data->client = client; - data->pdata = pdata; data->irq = client->irq; i2c_set_clientdata(client, data); @@ -3135,6 +3140,17 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) init_completion(&data->reset_completion); init_completion(&data->crc_completion); + data->suspend_mode = dmi_check_system(chromebook_T9_suspend_dmi) ? + MXT_SUSPEND_T9_CTRL : MXT_SUSPEND_DEEP_SLEEP; + + error = mxt_prepare_acpi_properties(client); + if (error && error != -ENOENT) + return error; + + error = mxt_parse_device_properties(data); + if (error) + return error; + data->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(data->reset_gpio)) { @@ -3144,8 +3160,7 @@ static int mxt_probe(struct i2c_client *client, const struct i2c_device_id *id) } error = devm_request_threaded_irq(&client->dev, client->irq, - NULL, mxt_interrupt, - pdata->irqflags | IRQF_ONESHOT, + NULL, mxt_interrupt, IRQF_ONESHOT, client->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); @@ -3265,7 +3280,7 @@ MODULE_DEVICE_TABLE(i2c, mxt_id); static struct i2c_driver mxt_driver = { .driver = { .name = "atmel_mxt_ts", - .of_match_table = of_match_ptr(mxt_of_match), + .of_match_table = mxt_of_match, .acpi_match_table = ACPI_PTR(mxt_acpi_id), .pm = &mxt_pm_ops, }, diff --git a/drivers/isdn/mISDN/dsp_hwec.c b/drivers/isdn/mISDN/dsp_hwec.c index a6e87076acc2..5336bbdbfdc5 100644 --- a/drivers/isdn/mISDN/dsp_hwec.c +++ b/drivers/isdn/mISDN/dsp_hwec.c @@ -68,12 +68,12 @@ void dsp_hwec_enable(struct dsp *dsp, const char *arg) goto _do; { - char _dup[len + 1]; char *dup, *tok, *name, *val; int tmp; - strcpy(_dup, arg); - dup = _dup; + dup = kstrdup(arg, GFP_ATOMIC); + if (!dup) + return; while ((tok = strsep(&dup, ","))) { if (!strlen(tok)) @@ -89,6 +89,8 @@ void dsp_hwec_enable(struct dsp *dsp, const char *arg) deftaps = tmp; } } + + kfree(dup); } _do: diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c index 21d50e4cc5e1..b05022f94f18 100644 --- a/drivers/isdn/mISDN/l1oip_core.c +++ b/drivers/isdn/mISDN/l1oip_core.c @@ -279,7 +279,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask, u16 timebase, u8 *buf, int len) { u8 *p; - u8 frame[len + 32]; + u8 frame[MAX_DFRAME_LEN_L1 + 32]; struct socket *socket = NULL; if (debug & DEBUG_L1OIP_MSG) @@ -902,7 +902,11 @@ handle_dmsg(struct mISDNchannel *ch, struct sk_buff *skb) p = skb->data; l = skb->len; while (l) { - ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME; + /* + * This is technically bounded by L1OIP_MAX_PERFRAME but + * MAX_DFRAME_LEN_L1 < L1OIP_MAX_PERFRAME + */ + ll = (l < MAX_DFRAME_LEN_L1) ? l : MAX_DFRAME_LEN_L1; l1oip_socket_send(hc, 0, dch->slot, 0, hc->chan[dch->slot].tx_counter++, p, ll); p += ll; @@ -1140,7 +1144,11 @@ handle_bmsg(struct mISDNchannel *ch, struct sk_buff *skb) p = skb->data; l = skb->len; while (l) { - ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME; + /* + * This is technically bounded by L1OIP_MAX_PERFRAME but + * MAX_DFRAME_LEN_L1 < L1OIP_MAX_PERFRAME + */ + ll = (l < MAX_DFRAME_LEN_L1) ? l : MAX_DFRAME_LEN_L1; l1oip_socket_send(hc, hc->codec, bch->slot, 0, hc->chan[bch->slot].tx_counter, p, ll); hc->chan[bch->slot].tx_counter += ll; diff --git a/drivers/md/md.c b/drivers/md/md.c index 3bea45e8ccff..c208c01f63a5 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -9256,8 +9256,10 @@ void md_reload_sb(struct mddev *mddev, int nr) check_sb_changes(mddev, rdev); /* Read all rdev's to update recovery_offset */ - rdev_for_each_rcu(rdev, mddev) - read_rdev(mddev, rdev); + rdev_for_each_rcu(rdev, mddev) { + if (!test_bit(Faulty, &rdev->flags)) + read_rdev(mddev, rdev); + } } EXPORT_SYMBOL(md_reload_sb); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index e2943fb74056..e9e3308cb0a7 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -854,7 +854,7 @@ static void flush_pending_writes(struct r1conf *conf) * there is no normal IO happeing. It must arrange to call * lower_barrier when the particular background IO completes. */ -static void raise_barrier(struct r1conf *conf, sector_t sector_nr) +static sector_t raise_barrier(struct r1conf *conf, sector_t sector_nr) { int idx = sector_to_idx(sector_nr); @@ -885,13 +885,23 @@ static void raise_barrier(struct r1conf *conf, sector_t sector_nr) * max resync count which allowed on current I/O barrier bucket. */ wait_event_lock_irq(conf->wait_barrier, - !conf->array_frozen && + (!conf->array_frozen && !atomic_read(&conf->nr_pending[idx]) && - atomic_read(&conf->barrier[idx]) < RESYNC_DEPTH, + atomic_read(&conf->barrier[idx]) < RESYNC_DEPTH) || + test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery), conf->resync_lock); + if (test_bit(MD_RECOVERY_INTR, &conf->mddev->recovery)) { + atomic_dec(&conf->barrier[idx]); + spin_unlock_irq(&conf->resync_lock); + wake_up(&conf->wait_barrier); + return -EINTR; + } + atomic_inc(&conf->nr_sync_pending); spin_unlock_irq(&conf->resync_lock); + + return 0; } static void lower_barrier(struct r1conf *conf, sector_t sector_nr) @@ -1092,6 +1102,8 @@ static void alloc_behind_master_bio(struct r1bio *r1_bio, goto skip_copy; } + behind_bio->bi_write_hint = bio->bi_write_hint; + while (i < vcnt && size) { struct page *page; int len = min_t(int, PAGE_SIZE, size); @@ -2662,9 +2674,12 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, bitmap_cond_end_sync(mddev->bitmap, sector_nr, mddev_is_clustered(mddev) && (sector_nr + 2 * RESYNC_SECTORS > conf->cluster_sync_high)); - r1_bio = raid1_alloc_init_r1buf(conf); - raise_barrier(conf, sector_nr); + + if (raise_barrier(conf, sector_nr)) + return 0; + + r1_bio = raid1_alloc_init_r1buf(conf); rcu_read_lock(); /* diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index e4fafdd96e5e..eafd06f62a3a 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -305,8 +305,8 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) resp = (struct ec_response_motion_sense *)msg->data; sensor_num = resp->dump.sensor_count; - /* Allocate 2 extra sensors in case lid angle or FIFO are needed */ - sensor_cells = kzalloc(sizeof(struct mfd_cell) * (sensor_num + 2), + /* Allocate 1 extra sensors in FIFO are needed */ + sensor_cells = kzalloc(sizeof(struct mfd_cell) * (sensor_num + 1), GFP_KERNEL); if (sensor_cells == NULL) goto error; @@ -362,16 +362,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) sensor_type[resp->info.type]++; id++; } - if (sensor_type[MOTIONSENSE_TYPE_ACCEL] >= 2) { - sensor_platforms[id].sensor_num = sensor_num; - sensor_cells[id].name = "cros-ec-angle"; - sensor_cells[id].id = 0; - sensor_cells[id].platform_data = &sensor_platforms[id]; - sensor_cells[id].pdata_size = - sizeof(struct cros_ec_sensor_platform); - id++; - } + if (sensor_type[MOTIONSENSE_TYPE_ACCEL] >= 2) + ec->has_kb_wake_angle = true; + if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) { sensor_cells[id].name = "cros-ec-ring"; id++; @@ -424,6 +418,14 @@ static int ec_device_probe(struct platform_device *pdev) goto failed; } + /* check whether this EC is a sensor hub. */ + if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) + cros_ec_sensors_register(ec); + + /* Take control of the lightbar from the EC. */ + lb_manual_suspend_ctrl(ec, 1); + + /* We can now add the sysfs class, we know which parameter to show */ retval = cdev_device_add(&ec->cdev, &ec->class_dev); if (retval) { dev_err(dev, "cdev_device_add failed => %d\n", retval); @@ -433,13 +435,6 @@ static int ec_device_probe(struct platform_device *pdev) if (cros_ec_debugfs_init(ec)) dev_warn(dev, "failed to create debugfs directory\n"); - /* check whether this EC is a sensor hub. */ - if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) - cros_ec_sensors_register(ec); - - /* Take control of the lightbar from the EC. */ - lb_manual_suspend_ctrl(ec, 1); - return 0; failed: diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 8e0acd197c43..6af946d16d24 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include <linux/bitops.h> #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/io-64-nonatomic-hi-lo.h> @@ -62,6 +63,17 @@ * need a custom accessor. */ +static unsigned long global_flags; +/* + * Workaround for avoiding to use RX DMAC by multiple channels. + * On R-Car H3 ES1.* and M3-W ES1.0, when multiple SDHI channels use + * RX DMAC simultaneously, sometimes hundreds of bytes data are not + * stored into the system memory even if the DMAC interrupt happened. + * So, this driver then uses one RX DMAC channel only. + */ +#define SDHI_INTERNAL_DMAC_ONE_RX_ONLY 0 +#define SDHI_INTERNAL_DMAC_RX_IN_USE 1 + /* Definitions for sampling clocks */ static struct renesas_sdhi_scc rcar_gen3_scc_taps[] = { { @@ -126,6 +138,9 @@ renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host) { renesas_sdhi_internal_dmac_dm_write(host, DM_CM_RST, RST_RESERVED_BITS | val); + if (host->data && host->data->flags & MMC_DATA_READ) + clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags); + renesas_sdhi_internal_dmac_enable_dma(host, true); } @@ -155,6 +170,9 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, if (data->flags & MMC_DATA_READ) { dtran_mode |= DTRAN_MODE_CH_NUM_CH1; dir = DMA_FROM_DEVICE; + if (test_bit(SDHI_INTERNAL_DMAC_ONE_RX_ONLY, &global_flags) && + test_and_set_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags)) + goto force_pio; } else { dtran_mode |= DTRAN_MODE_CH_NUM_CH0; dir = DMA_TO_DEVICE; @@ -208,6 +226,9 @@ static void renesas_sdhi_internal_dmac_complete_tasklet_fn(unsigned long arg) renesas_sdhi_internal_dmac_enable_dma(host, false); dma_unmap_sg(&host->pdev->dev, host->sg_ptr, host->sg_len, dir); + if (dir == DMA_FROM_DEVICE) + clear_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags); + tmio_mmc_do_data_irq(host); out: spin_unlock_irq(&host->lock); @@ -251,18 +272,24 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_internal_dmac_dma_ops = { * implementation as others may use a different implementation. */ static const struct soc_device_attribute gen3_soc_whitelist[] = { - { .soc_id = "r8a7795", .revision = "ES1.*" }, - { .soc_id = "r8a7795", .revision = "ES2.0" }, - { .soc_id = "r8a7796", .revision = "ES1.0" }, - { .soc_id = "r8a77995", .revision = "ES1.0" }, - { /* sentinel */ } + { .soc_id = "r8a7795", .revision = "ES1.*", + .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) }, + { .soc_id = "r8a7795", .revision = "ES2.0" }, + { .soc_id = "r8a7796", .revision = "ES1.0", + .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) }, + { .soc_id = "r8a77995", .revision = "ES1.0" }, + { /* sentinel */ } }; static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev) { - if (!soc_device_match(gen3_soc_whitelist)) + const struct soc_device_attribute *soc = soc_device_match(gen3_soc_whitelist); + + if (!soc) return -ENODEV; + global_flags |= (unsigned long)soc->data; + return renesas_sdhi_probe(pdev, &renesas_sdhi_internal_dmac_dma_ops); } diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 787434e5589d..78c25ad35fd2 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -1312,7 +1312,7 @@ static void amd_enable_manual_tuning(struct pci_dev *pdev) pci_write_config_dword(pdev, AMD_SD_MISC_CONTROL, val); } -static int amd_execute_tuning(struct sdhci_host *host, u32 opcode) +static int amd_execute_tuning_hs200(struct sdhci_host *host, u32 opcode) { struct sdhci_pci_slot *slot = sdhci_priv(host); struct pci_dev *pdev = slot->chip->pdev; @@ -1351,6 +1351,27 @@ static int amd_execute_tuning(struct sdhci_host *host, u32 opcode) return 0; } +static int amd_execute_tuning(struct mmc_host *mmc, u32 opcode) +{ + struct sdhci_host *host = mmc_priv(mmc); + + /* AMD requires custom HS200 tuning */ + if (host->timing == MMC_TIMING_MMC_HS200) + return amd_execute_tuning_hs200(host, opcode); + + /* Otherwise perform standard SDHCI tuning */ + return sdhci_execute_tuning(mmc, opcode); +} + +static int amd_probe_slot(struct sdhci_pci_slot *slot) +{ + struct mmc_host_ops *ops = &slot->host->mmc_host_ops; + + ops->execute_tuning = amd_execute_tuning; + + return 0; +} + static int amd_probe(struct sdhci_pci_chip *chip) { struct pci_dev *smbus_dev; @@ -1385,12 +1406,12 @@ static const struct sdhci_ops amd_sdhci_pci_ops = { .set_bus_width = sdhci_set_bus_width, .reset = sdhci_reset, .set_uhs_signaling = sdhci_set_uhs_signaling, - .platform_execute_tuning = amd_execute_tuning, }; static const struct sdhci_pci_fixes sdhci_amd = { .probe = amd_probe, .ops = &amd_sdhci_pci_ops, + .probe_slot = amd_probe_slot, }; static const struct pci_device_id pci_ids[] = { diff --git a/drivers/net/dsa/mv88e6xxx/hwtstamp.c b/drivers/net/dsa/mv88e6xxx/hwtstamp.c index ac7694c71266..a036c490b7ce 100644 --- a/drivers/net/dsa/mv88e6xxx/hwtstamp.c +++ b/drivers/net/dsa/mv88e6xxx/hwtstamp.c @@ -285,10 +285,18 @@ static void mv88e6xxx_get_rxts(struct mv88e6xxx_chip *chip, struct sk_buff_head *rxq) { u16 buf[4] = { 0 }, status, seq_id; - u64 ns, timelo, timehi; struct skb_shared_hwtstamps *shwt; + struct sk_buff_head received; + u64 ns, timelo, timehi; + unsigned long flags; int err; + /* The latched timestamp belongs to one of the received frames. */ + __skb_queue_head_init(&received); + spin_lock_irqsave(&rxq->lock, flags); + skb_queue_splice_tail_init(rxq, &received); + spin_unlock_irqrestore(&rxq->lock, flags); + mutex_lock(&chip->reg_lock); err = mv88e6xxx_port_ptp_read(chip, ps->port_id, reg, buf, ARRAY_SIZE(buf)); @@ -311,7 +319,7 @@ static void mv88e6xxx_get_rxts(struct mv88e6xxx_chip *chip, /* Since the device can only handle one time stamp at a time, * we purge any extra frames from the queue. */ - for ( ; skb; skb = skb_dequeue(rxq)) { + for ( ; skb; skb = __skb_dequeue(&received)) { if (mv88e6xxx_ts_valid(status) && seq_match(skb, seq_id)) { ns = timehi << 16 | timelo; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 1f622ca2a64f..8ba14ae00e8f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1927,22 +1927,39 @@ static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen) return retval; } -static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen) +static void bnxt_get_pkgver(struct net_device *dev) { + struct bnxt *bp = netdev_priv(dev); u16 index = 0; - u32 datalen; + char *pkgver; + u32 pkglen; + u8 *pkgbuf; + int len; if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG, BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE, - &index, NULL, &datalen) != 0) - return NULL; + &index, NULL, &pkglen) != 0) + return; - memset(buf, 0, buflen); - if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0) - return NULL; + pkgbuf = kzalloc(pkglen, GFP_KERNEL); + if (!pkgbuf) { + dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n", + pkglen); + return; + } + + if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf)) + goto err; - return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf, - datalen); + pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf, + pkglen); + if (pkgver && *pkgver != 0 && isdigit(*pkgver)) { + len = strlen(bp->fw_ver_str); + snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1, + "/pkg %s", pkgver); + } +err: + kfree(pkgbuf); } static int bnxt_get_eeprom(struct net_device *dev, @@ -2615,22 +2632,10 @@ void bnxt_ethtool_init(struct bnxt *bp) struct hwrm_selftest_qlist_input req = {0}; struct bnxt_test_info *test_info; struct net_device *dev = bp->dev; - char *pkglog; int i, rc; - pkglog = kzalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL); - if (pkglog) { - char *pkgver; - int len; + bnxt_get_pkgver(dev); - pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH); - if (pkgver && *pkgver != 0 && isdigit(*pkgver)) { - len = strlen(bp->fw_ver_str); - snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1, - "/pkg %s", pkgver); - } - kfree(pkglog); - } if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp)) return; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_nvm_defs.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_nvm_defs.h index 73f2249555b5..83444811d3c6 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_nvm_defs.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_nvm_defs.h @@ -59,8 +59,6 @@ enum bnxt_nvm_directory_type { #define BNX_DIR_ATTR_NO_CHKSUM (1 << 0) #define BNX_DIR_ATTR_PROP_STREAM (1 << 1) -#define BNX_PKG_LOG_MAX_LENGTH 4096 - enum bnxnvm_pkglog_field_index { BNX_PKG_LOG_FIELD_IDX_INSTALLED_TIMESTAMP = 0, BNX_PKG_LOG_FIELD_IDX_PKG_DESCRIPTION = 1, diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.h b/drivers/net/ethernet/hisilicon/hns/hnae.h index 3e62692af011..fa5b30f547f6 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.h +++ b/drivers/net/ethernet/hisilicon/hns/hnae.h @@ -87,7 +87,7 @@ do { \ #define HNAE_AE_REGISTER 0x1 -#define RCB_RING_NAME_LEN 16 +#define RCB_RING_NAME_LEN (IFNAMSIZ + 4) #define HNAE_LOWEST_LATENCY_COAL_PARAM 30 #define HNAE_LOW_LATENCY_COAL_PARAM 80 diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index aad5658d79d5..2df01ad98df7 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -794,46 +794,61 @@ static int ibmvnic_login(struct net_device *netdev) { struct ibmvnic_adapter *adapter = netdev_priv(netdev); unsigned long timeout = msecs_to_jiffies(30000); - struct device *dev = &adapter->vdev->dev; + int retry_count = 0; int rc; do { - if (adapter->renegotiate) { - adapter->renegotiate = false; + if (retry_count > IBMVNIC_MAX_QUEUES) { + netdev_warn(netdev, "Login attempts exceeded\n"); + return -1; + } + + adapter->init_done_rc = 0; + reinit_completion(&adapter->init_done); + rc = send_login(adapter); + if (rc) { + netdev_warn(netdev, "Unable to login\n"); + return rc; + } + + if (!wait_for_completion_timeout(&adapter->init_done, + timeout)) { + netdev_warn(netdev, "Login timed out\n"); + return -1; + } + + if (adapter->init_done_rc == PARTIALSUCCESS) { + retry_count++; release_sub_crqs(adapter, 1); + adapter->init_done_rc = 0; reinit_completion(&adapter->init_done); send_cap_queries(adapter); if (!wait_for_completion_timeout(&adapter->init_done, timeout)) { - dev_err(dev, "Capabilities query timeout\n"); + netdev_warn(netdev, + "Capabilities query timed out\n"); return -1; } + rc = init_sub_crqs(adapter); if (rc) { - dev_err(dev, - "Initialization of SCRQ's failed\n"); + netdev_warn(netdev, + "SCRQ initialization failed\n"); return -1; } + rc = init_sub_crq_irqs(adapter); if (rc) { - dev_err(dev, - "Initialization of SCRQ's irqs failed\n"); + netdev_warn(netdev, + "SCRQ irq initialization failed\n"); return -1; } - } - - reinit_completion(&adapter->init_done); - rc = send_login(adapter); - if (rc) { - dev_err(dev, "Unable to attempt device login\n"); - return rc; - } else if (!wait_for_completion_timeout(&adapter->init_done, - timeout)) { - dev_err(dev, "Login timeout\n"); + } else if (adapter->init_done_rc) { + netdev_warn(netdev, "Adapter login failed\n"); return -1; } - } while (adapter->renegotiate); + } while (adapter->init_done_rc == PARTIALSUCCESS); /* handle pending MAC address changes after successful login */ if (adapter->mac_change_pending) { @@ -1034,16 +1049,14 @@ static int __ibmvnic_open(struct net_device *netdev) netdev_dbg(netdev, "Enabling rx_scrq[%d] irq\n", i); if (prev_state == VNIC_CLOSED) enable_irq(adapter->rx_scrq[i]->irq); - else - enable_scrq_irq(adapter, adapter->rx_scrq[i]); + enable_scrq_irq(adapter, adapter->rx_scrq[i]); } for (i = 0; i < adapter->req_tx_queues; i++) { netdev_dbg(netdev, "Enabling tx_scrq[%d] irq\n", i); if (prev_state == VNIC_CLOSED) enable_irq(adapter->tx_scrq[i]->irq); - else - enable_scrq_irq(adapter, adapter->tx_scrq[i]); + enable_scrq_irq(adapter, adapter->tx_scrq[i]); } rc = set_link_state(adapter, IBMVNIC_LOGICAL_LNK_UP); @@ -1184,6 +1197,7 @@ static void ibmvnic_disable_irqs(struct ibmvnic_adapter *adapter) if (adapter->tx_scrq[i]->irq) { netdev_dbg(netdev, "Disabling tx_scrq[%d] irq\n", i); + disable_scrq_irq(adapter, adapter->tx_scrq[i]); disable_irq(adapter->tx_scrq[i]->irq); } } @@ -1193,6 +1207,7 @@ static void ibmvnic_disable_irqs(struct ibmvnic_adapter *adapter) if (adapter->rx_scrq[i]->irq) { netdev_dbg(netdev, "Disabling rx_scrq[%d] irq\n", i); + disable_scrq_irq(adapter, adapter->rx_scrq[i]); disable_irq(adapter->rx_scrq[i]->irq); } } @@ -1828,7 +1843,8 @@ static int do_reset(struct ibmvnic_adapter *adapter, for (i = 0; i < adapter->req_rx_queues; i++) napi_schedule(&adapter->napi[i]); - if (adapter->reset_reason != VNIC_RESET_FAILOVER) + if (adapter->reset_reason != VNIC_RESET_FAILOVER && + adapter->reset_reason != VNIC_RESET_CHANGE_PARAM) netdev_notify_peers(netdev); netif_carrier_on(netdev); @@ -2601,12 +2617,19 @@ static int enable_scrq_irq(struct ibmvnic_adapter *adapter, { struct device *dev = &adapter->vdev->dev; unsigned long rc; + u64 val; if (scrq->hw_irq > 0x100000000ULL) { dev_err(dev, "bad hw_irq = %lx\n", scrq->hw_irq); return 1; } + val = (0xff000000) | scrq->hw_irq; + rc = plpar_hcall_norets(H_EOI, val); + if (rc) + dev_err(dev, "H_EOI FAILED irq 0x%llx. rc=%ld\n", + val, rc); + rc = plpar_hcall_norets(H_VIOCTL, adapter->vdev->unit_address, H_ENABLE_VIO_INTERRUPT, scrq->hw_irq, 0, 0); if (rc) @@ -3170,7 +3193,7 @@ static int send_version_xchg(struct ibmvnic_adapter *adapter) struct vnic_login_client_data { u8 type; __be16 len; - char name; + char name[]; } __packed; static int vnic_client_data_len(struct ibmvnic_adapter *adapter) @@ -3199,21 +3222,21 @@ static void vnic_add_client_data(struct ibmvnic_adapter *adapter, vlcd->type = 1; len = strlen(os_name) + 1; vlcd->len = cpu_to_be16(len); - strncpy(&vlcd->name, os_name, len); - vlcd = (struct vnic_login_client_data *)((char *)&vlcd->name + len); + strncpy(vlcd->name, os_name, len); + vlcd = (struct vnic_login_client_data *)(vlcd->name + len); /* Type 2 - LPAR name */ vlcd->type = 2; len = strlen(utsname()->nodename) + 1; vlcd->len = cpu_to_be16(len); - strncpy(&vlcd->name, utsname()->nodename, len); - vlcd = (struct vnic_login_client_data *)((char *)&vlcd->name + len); + strncpy(vlcd->name, utsname()->nodename, len); + vlcd = (struct vnic_login_client_data *)(vlcd->name + len); /* Type 3 - device name */ vlcd->type = 3; len = strlen(adapter->netdev->name) + 1; vlcd->len = cpu_to_be16(len); - strncpy(&vlcd->name, adapter->netdev->name, len); + strncpy(vlcd->name, adapter->netdev->name, len); } static int send_login(struct ibmvnic_adapter *adapter) @@ -3942,7 +3965,7 @@ static int handle_login_rsp(union ibmvnic_crq *login_rsp_crq, * to resend the login buffer with fewer queues requested. */ if (login_rsp_crq->generic.rc.code) { - adapter->renegotiate = true; + adapter->init_done_rc = login_rsp_crq->generic.rc.code; complete(&adapter->init_done); return 0; } diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index 99c0b58c2c39..22391e8805f6 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -1035,7 +1035,6 @@ struct ibmvnic_adapter { struct ibmvnic_sub_crq_queue **tx_scrq; struct ibmvnic_sub_crq_queue **rx_scrq; - bool renegotiate; /* rx structs */ struct napi_struct *napi; diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 54a038943c06..4202f9b5b966 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -663,7 +663,7 @@ enum mvpp2_tag_type { #define MVPP2_PE_VID_FILT_RANGE_END (MVPP2_PRS_TCAM_SRAM_SIZE - 31) #define MVPP2_PE_VID_FILT_RANGE_START (MVPP2_PE_VID_FILT_RANGE_END - \ MVPP2_PRS_VLAN_FILT_RANGE_SIZE + 1) -#define MVPP2_PE_LAST_FREE_TID (MVPP2_PE_VID_FILT_RANGE_START - 1) +#define MVPP2_PE_LAST_FREE_TID (MVPP2_PE_MAC_RANGE_START - 1) #define MVPP2_PE_IP6_EXT_PROTO_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 30) #define MVPP2_PE_IP6_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 29) #define MVPP2_PE_IP4_ADDR_UN (MVPP2_PRS_TCAM_SRAM_SIZE - 28) @@ -916,6 +916,8 @@ static struct { #define MVPP2_MIB_COUNTERS_STATS_DELAY (1 * HZ) +#define MVPP2_DESC_DMA_MASK DMA_BIT_MASK(40) + /* Definitions */ /* Shared Packet Processor resources */ @@ -1429,7 +1431,7 @@ static dma_addr_t mvpp2_txdesc_dma_addr_get(struct mvpp2_port *port, if (port->priv->hw_version == MVPP21) return tx_desc->pp21.buf_dma_addr; else - return tx_desc->pp22.buf_dma_addr_ptp & GENMASK_ULL(40, 0); + return tx_desc->pp22.buf_dma_addr_ptp & MVPP2_DESC_DMA_MASK; } static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port, @@ -1447,7 +1449,7 @@ static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port, } else { u64 val = (u64)addr; - tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0); + tx_desc->pp22.buf_dma_addr_ptp &= ~MVPP2_DESC_DMA_MASK; tx_desc->pp22.buf_dma_addr_ptp |= val; tx_desc->pp22.packet_offset = offset; } @@ -1507,7 +1509,7 @@ static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port, if (port->priv->hw_version == MVPP21) return rx_desc->pp21.buf_dma_addr; else - return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0); + return rx_desc->pp22.buf_dma_addr_key_hash & MVPP2_DESC_DMA_MASK; } static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port, @@ -1516,7 +1518,7 @@ static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port, if (port->priv->hw_version == MVPP21) return rx_desc->pp21.buf_cookie; else - return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0); + return rx_desc->pp22.buf_cookie_misc & MVPP2_DESC_DMA_MASK; } static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port, @@ -8789,7 +8791,7 @@ static int mvpp2_probe(struct platform_device *pdev) } if (priv->hw_version == MVPP22) { - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(40)); + err = dma_set_mask(&pdev->dev, MVPP2_DESC_DMA_MASK); if (err) goto err_mg_clk; /* Sadly, the BM pools all share the same register to diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index 3735c09d2112..577659f332e4 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -258,9 +258,6 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb) case NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS: nfp_tunnel_keep_alive(app, skb); break; - case NFP_FLOWER_CMSG_TYPE_TUN_NEIGH: - /* Acks from the NFP that the route is added - ignore. */ - break; default: nfp_flower_cmsg_warn(app, "Cannot handle invalid repr control type %u\n", type); @@ -275,18 +272,49 @@ out: void nfp_flower_cmsg_process_rx(struct work_struct *work) { + struct sk_buff_head cmsg_joined; struct nfp_flower_priv *priv; struct sk_buff *skb; priv = container_of(work, struct nfp_flower_priv, cmsg_work); + skb_queue_head_init(&cmsg_joined); + + spin_lock_bh(&priv->cmsg_skbs_high.lock); + skb_queue_splice_tail_init(&priv->cmsg_skbs_high, &cmsg_joined); + spin_unlock_bh(&priv->cmsg_skbs_high.lock); - while ((skb = skb_dequeue(&priv->cmsg_skbs))) + spin_lock_bh(&priv->cmsg_skbs_low.lock); + skb_queue_splice_tail_init(&priv->cmsg_skbs_low, &cmsg_joined); + spin_unlock_bh(&priv->cmsg_skbs_low.lock); + + while ((skb = __skb_dequeue(&cmsg_joined))) nfp_flower_cmsg_process_one_rx(priv->app, skb); } -void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb) +static void +nfp_flower_queue_ctl_msg(struct nfp_app *app, struct sk_buff *skb, int type) { struct nfp_flower_priv *priv = app->priv; + struct sk_buff_head *skb_head; + + if (type == NFP_FLOWER_CMSG_TYPE_PORT_REIFY || + type == NFP_FLOWER_CMSG_TYPE_PORT_MOD) + skb_head = &priv->cmsg_skbs_high; + else + skb_head = &priv->cmsg_skbs_low; + + if (skb_queue_len(skb_head) >= NFP_FLOWER_WORKQ_MAX_SKBS) { + nfp_flower_cmsg_warn(app, "Dropping queued control messages\n"); + dev_kfree_skb_any(skb); + return; + } + + skb_queue_tail(skb_head, skb); + schedule_work(&priv->cmsg_work); +} + +void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb) +{ struct nfp_flower_cmsg_hdr *cmsg_hdr; cmsg_hdr = nfp_flower_cmsg_get_hdr(skb); @@ -306,8 +334,10 @@ void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb) nfp_flower_process_mtu_ack(app, skb)) { /* Handle MTU acks outside wq to prevent RTNL conflict. */ dev_consume_skb_any(skb); + } else if (cmsg_hdr->type == NFP_FLOWER_CMSG_TYPE_TUN_NEIGH) { + /* Acks from the NFP that the route is added - ignore. */ + dev_consume_skb_any(skb); } else { - skb_queue_tail(&priv->cmsg_skbs, skb); - schedule_work(&priv->cmsg_work); + nfp_flower_queue_ctl_msg(app, skb, cmsg_hdr->type); } } diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h index 96bc0e33980c..b6c0fd053a50 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h @@ -108,6 +108,8 @@ #define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4) #define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0) +#define NFP_FLOWER_WORKQ_MAX_SKBS 30000 + #define nfp_flower_cmsg_warn(app, fmt, args...) \ do { \ if (net_ratelimit()) \ diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c index 6357e0720f43..ad02592a82b7 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.c +++ b/drivers/net/ethernet/netronome/nfp/flower/main.c @@ -519,7 +519,8 @@ static int nfp_flower_init(struct nfp_app *app) app->priv = app_priv; app_priv->app = app; - skb_queue_head_init(&app_priv->cmsg_skbs); + skb_queue_head_init(&app_priv->cmsg_skbs_high); + skb_queue_head_init(&app_priv->cmsg_skbs_low); INIT_WORK(&app_priv->cmsg_work, nfp_flower_cmsg_process_rx); init_waitqueue_head(&app_priv->reify_wait_queue); @@ -549,7 +550,8 @@ static void nfp_flower_clean(struct nfp_app *app) { struct nfp_flower_priv *app_priv = app->priv; - skb_queue_purge(&app_priv->cmsg_skbs); + skb_queue_purge(&app_priv->cmsg_skbs_high); + skb_queue_purge(&app_priv->cmsg_skbs_low); flush_work(&app_priv->cmsg_work); nfp_flower_metadata_cleanup(app); diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index e030b3ce4510..c67e1b54c614 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -107,7 +107,10 @@ struct nfp_mtu_conf { * @mask_table: Hash table used to store masks * @flow_table: Hash table used to store flower rules * @cmsg_work: Workqueue for control messages processing - * @cmsg_skbs: List of skbs for control message processing + * @cmsg_skbs_high: List of higher priority skbs for control message + * processing + * @cmsg_skbs_low: List of lower priority skbs for control message + * processing * @nfp_mac_off_list: List of MAC addresses to offload * @nfp_mac_index_list: List of unique 8-bit indexes for non NFP netdevs * @nfp_ipv4_off_list: List of IPv4 addresses to offload @@ -136,7 +139,8 @@ struct nfp_flower_priv { DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); DECLARE_HASHTABLE(flow_table, NFP_FLOWER_HASH_BITS); struct work_struct cmsg_work; - struct sk_buff_head cmsg_skbs; + struct sk_buff_head cmsg_skbs_high; + struct sk_buff_head cmsg_skbs_low; struct list_head nfp_mac_off_list; struct list_head nfp_mac_index_list; struct list_head nfp_ipv4_off_list; diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c index f7b958181126..cb28ac03e4ca 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c @@ -211,8 +211,11 @@ int nfp_cpp_mutex_lock(struct nfp_cpp_mutex *mutex) break; err = msleep_interruptible(timeout_ms); - if (err != 0) + if (err != 0) { + nfp_info(mutex->cpp, + "interrupted waiting for NFP mutex\n"); return -ERESTARTSYS; + } if (time_is_before_eq_jiffies(warn_at)) { warn_at = jiffies + NFP_MUTEX_WAIT_NEXT_WARN * HZ; diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c index 99bb679a9801..2abee0fe3a7c 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c @@ -281,8 +281,7 @@ nfp_nsp_wait_reg(struct nfp_cpp *cpp, u64 *reg, u32 nsp_cpp, u64 addr, if ((*reg & mask) == val) return 0; - if (msleep_interruptible(25)) - return -ERESTARTSYS; + msleep(25); if (time_after(start_time, wait_until)) return -ETIMEDOUT; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index d33988570217..5f4e447c5dce 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -350,15 +350,16 @@ static int rmnet_fill_info(struct sk_buff *skb, const struct net_device *dev) real_dev = priv->real_dev; - if (!rmnet_is_real_dev_registered(real_dev)) - return -ENODEV; - if (nla_put_u16(skb, IFLA_RMNET_MUX_ID, priv->mux_id)) goto nla_put_failure; - port = rmnet_get_port_rtnl(real_dev); + if (rmnet_is_real_dev_registered(real_dev)) { + port = rmnet_get_port_rtnl(real_dev); + f.flags = port->data_format; + } else { + f.flags = 0; + } - f.flags = port->data_format; f.mask = ~0; if (nla_put(skb, IFLA_RMNET_FLAGS, sizeof(f), &f)) diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 50daad0a1482..83ce229f4eb7 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -4776,8 +4776,7 @@ static bool efx_ef10_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, goto out_unlock; } - if (!rps_may_expire_flow(efx->net_dev, spec->dmaq_id, - flow_id, filter_idx)) { + if (!rps_may_expire_flow(efx->net_dev, spec->dmaq_id, flow_id, 0)) { ret = false; goto out_unlock; } @@ -5265,7 +5264,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, ids = vlan->uc; } - filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; + filter_flags = efx_rss_active(&efx->rss_context) ? EFX_FILTER_FLAG_RX_RSS : 0; /* Insert/renew filters */ for (i = 0; i < addr_count; i++) { @@ -5334,7 +5333,7 @@ static int efx_ef10_filter_insert_def(struct efx_nic *efx, int rc; u16 *id; - filter_flags = efx_rss_enabled(efx) ? EFX_FILTER_FLAG_RX_RSS : 0; + filter_flags = efx_rss_active(&efx->rss_context) ? EFX_FILTER_FLAG_RX_RSS : 0; efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index 4a19c7efdf8d..7174ef5e5c5e 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -2912,7 +2912,7 @@ bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, if (test_bit(index, table->used_bitmap) && table->spec[index].priority == EFX_FILTER_PRI_HINT && rps_may_expire_flow(efx->net_dev, table->spec[index].dmaq_id, - flow_id, index)) { + flow_id, 0)) { efx_farch_filter_table_clear_entry(efx, table, index); ret = true; } diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 5e379a83c729..eea3808b3f25 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -733,6 +733,27 @@ struct efx_rss_context { u32 rx_indir_table[128]; }; +#ifdef CONFIG_RFS_ACCEL +/** + * struct efx_async_filter_insertion - Request to asynchronously insert a filter + * @net_dev: Reference to the netdevice + * @spec: The filter to insert + * @work: Workitem for this request + * @rxq_index: Identifies the channel for which this request was made + * @flow_id: Identifies the kernel-side flow for which this request was made + */ +struct efx_async_filter_insertion { + struct net_device *net_dev; + struct efx_filter_spec spec; + struct work_struct work; + u16 rxq_index; + u32 flow_id; +}; + +/* Maximum number of ARFS workitems that may be in flight on an efx_nic */ +#define EFX_RPS_MAX_IN_FLIGHT 8 +#endif /* CONFIG_RFS_ACCEL */ + /** * struct efx_nic - an Efx NIC * @name: Device name (net device name or bus id before net device registered) @@ -850,6 +871,8 @@ struct efx_rss_context { * @rps_expire_channel: Next channel to check for expiry * @rps_expire_index: Next index to check for expiry in * @rps_expire_channel's @rps_flow_id + * @rps_slot_map: bitmap of in-flight entries in @rps_slot + * @rps_slot: array of ARFS insertion requests for efx_filter_rfs_work() * @active_queues: Count of RX and TX queues that haven't been flushed and drained. * @rxq_flush_pending: Count of number of receive queues that need to be flushed. * Decremented when the efx_flush_rx_queue() is called. @@ -1004,6 +1027,8 @@ struct efx_nic { struct mutex rps_mutex; unsigned int rps_expire_channel; unsigned int rps_expire_index; + unsigned long rps_slot_map; + struct efx_async_filter_insertion rps_slot[EFX_RPS_MAX_IN_FLIGHT]; #endif atomic_t active_queues; diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 95682831484e..9c593c661cbf 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -827,31 +827,16 @@ MODULE_PARM_DESC(rx_refill_threshold, #ifdef CONFIG_RFS_ACCEL -/** - * struct efx_async_filter_insertion - Request to asynchronously insert a filter - * @net_dev: Reference to the netdevice - * @spec: The filter to insert - * @work: Workitem for this request - * @rxq_index: Identifies the channel for which this request was made - * @flow_id: Identifies the kernel-side flow for which this request was made - */ -struct efx_async_filter_insertion { - struct net_device *net_dev; - struct efx_filter_spec spec; - struct work_struct work; - u16 rxq_index; - u32 flow_id; -}; - static void efx_filter_rfs_work(struct work_struct *data) { struct efx_async_filter_insertion *req = container_of(data, struct efx_async_filter_insertion, work); struct efx_nic *efx = netdev_priv(req->net_dev); struct efx_channel *channel = efx_get_channel(efx, req->rxq_index); + int slot_idx = req - efx->rps_slot; int rc; - rc = efx->type->filter_insert(efx, &req->spec, false); + rc = efx->type->filter_insert(efx, &req->spec, true); if (rc >= 0) { /* Remember this so we can check whether to expire the filter * later. @@ -878,8 +863,8 @@ static void efx_filter_rfs_work(struct work_struct *data) } /* Release references */ + clear_bit(slot_idx, &efx->rps_slot_map); dev_put(req->net_dev); - kfree(req); } int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, @@ -888,22 +873,36 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, struct efx_nic *efx = netdev_priv(net_dev); struct efx_async_filter_insertion *req; struct flow_keys fk; + int slot_idx; + int rc; - if (flow_id == RPS_FLOW_ID_INVALID) - return -EINVAL; + /* find a free slot */ + for (slot_idx = 0; slot_idx < EFX_RPS_MAX_IN_FLIGHT; slot_idx++) + if (!test_and_set_bit(slot_idx, &efx->rps_slot_map)) + break; + if (slot_idx >= EFX_RPS_MAX_IN_FLIGHT) + return -EBUSY; - if (!skb_flow_dissect_flow_keys(skb, &fk, 0)) - return -EPROTONOSUPPORT; + if (flow_id == RPS_FLOW_ID_INVALID) { + rc = -EINVAL; + goto out_clear; + } - if (fk.basic.n_proto != htons(ETH_P_IP) && fk.basic.n_proto != htons(ETH_P_IPV6)) - return -EPROTONOSUPPORT; - if (fk.control.flags & FLOW_DIS_IS_FRAGMENT) - return -EPROTONOSUPPORT; + if (!skb_flow_dissect_flow_keys(skb, &fk, 0)) { + rc = -EPROTONOSUPPORT; + goto out_clear; + } - req = kmalloc(sizeof(*req), GFP_ATOMIC); - if (!req) - return -ENOMEM; + if (fk.basic.n_proto != htons(ETH_P_IP) && fk.basic.n_proto != htons(ETH_P_IPV6)) { + rc = -EPROTONOSUPPORT; + goto out_clear; + } + if (fk.control.flags & FLOW_DIS_IS_FRAGMENT) { + rc = -EPROTONOSUPPORT; + goto out_clear; + } + req = efx->rps_slot + slot_idx; efx_filter_init_rx(&req->spec, EFX_FILTER_PRI_HINT, efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0, rxq_index); @@ -933,6 +932,9 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, req->flow_id = flow_id; schedule_work(&req->work); return 0; +out_clear: + clear_bit(slot_idx, &efx->rps_slot_map); + return rc; } bool __efx_filter_rfs_expire(struct efx_nic *efx, unsigned int quota) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h index c7bff596c665..dedd40613090 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h @@ -347,7 +347,7 @@ enum power_event { #define MTL_RX_OVERFLOW_INT BIT(16) /* Default operating mode of the MAC */ -#define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | GMAC_CONFIG_ACS | \ +#define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | \ GMAC_CONFIG_BE | GMAC_CONFIG_DCRS) /* To dump the core regs excluding the Address Registers */ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index a3af92ebbca8..517b1f6736a8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -31,13 +31,6 @@ static void dwmac4_core_init(struct mac_device_info *hw, value |= GMAC_CORE_INIT; - /* Clear ACS bit because Ethernet switch tagging formats such as - * Broadcom tags can look like invalid LLC/SNAP packets and cause the - * hardware to truncate packets on reception. - */ - if (netdev_uses_dsa(dev)) - value &= ~GMAC_CONFIG_ACS; - if (mtu > 1500) value |= GMAC_CONFIG_2K; if (mtu > 2000) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 90363a8b15db..48b55407a953 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3450,8 +3450,13 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) /* ACS is set; GMAC core strips PAD/FCS for IEEE 802.3 * Type frames (LLC/LLC-SNAP) + * + * llc_snap is never checked in GMAC >= 4, so this ACS + * feature is always disabled and packets need to be + * stripped manually. */ - if (unlikely(status != llc_snap)) + if (unlikely(priv->synopsys_id >= DWMAC_CORE_4_00) || + unlikely(status != llc_snap)) frame_len -= ETH_FCS_LEN; if (netif_msg_rx_status(priv)) { diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 9cbb0c8a896a..7de88b33d5b9 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -3277,7 +3277,7 @@ static int macsec_newlink(struct net *net, struct net_device *dev, err = netdev_upper_dev_link(real_dev, dev, extack); if (err < 0) - goto put_dev; + goto unregister; /* need to be already registered so that ->init has run and * the MAC addr is set @@ -3316,8 +3316,7 @@ del_dev: macsec_del_dev(macsec); unlink: netdev_upper_dev_unlink(real_dev, dev); -put_dev: - dev_put(real_dev); +unregister: unregister_netdevice(dev); return err; } diff --git a/drivers/net/phy/microchip.c b/drivers/net/phy/microchip.c index ef5e160fe9dc..2d67937866a3 100644 --- a/drivers/net/phy/microchip.c +++ b/drivers/net/phy/microchip.c @@ -20,6 +20,7 @@ #include <linux/ethtool.h> #include <linux/phy.h> #include <linux/microchipphy.h> +#include <linux/delay.h> #include <linux/of.h> #include <dt-bindings/net/microchip-lan78xx.h> @@ -32,6 +33,16 @@ struct lan88xx_priv { __u32 wolopts; }; +static int lan88xx_read_page(struct phy_device *phydev) +{ + return __phy_read(phydev, LAN88XX_EXT_PAGE_ACCESS); +} + +static int lan88xx_write_page(struct phy_device *phydev, int page) +{ + return __phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, page); +} + static int lan88xx_phy_config_intr(struct phy_device *phydev) { int rc; @@ -68,6 +79,150 @@ static int lan88xx_suspend(struct phy_device *phydev) return 0; } +static int lan88xx_TR_reg_set(struct phy_device *phydev, u16 regaddr, + u32 data) +{ + int val, save_page, ret = 0; + u16 buf; + + /* Save current page */ + save_page = phy_save_page(phydev); + if (save_page < 0) { + pr_warn("Failed to get current page\n"); + goto err; + } + + /* Switch to TR page */ + lan88xx_write_page(phydev, LAN88XX_EXT_PAGE_ACCESS_TR); + + ret = __phy_write(phydev, LAN88XX_EXT_PAGE_TR_LOW_DATA, + (data & 0xFFFF)); + if (ret < 0) { + pr_warn("Failed to write TR low data\n"); + goto err; + } + + ret = __phy_write(phydev, LAN88XX_EXT_PAGE_TR_HIGH_DATA, + (data & 0x00FF0000) >> 16); + if (ret < 0) { + pr_warn("Failed to write TR high data\n"); + goto err; + } + + /* Config control bits [15:13] of register */ + buf = (regaddr & ~(0x3 << 13));/* Clr [14:13] to write data in reg */ + buf |= 0x8000; /* Set [15] to Packet transmit */ + + ret = __phy_write(phydev, LAN88XX_EXT_PAGE_TR_CR, buf); + if (ret < 0) { + pr_warn("Failed to write data in reg\n"); + goto err; + } + + usleep_range(1000, 2000);/* Wait for Data to be written */ + val = __phy_read(phydev, LAN88XX_EXT_PAGE_TR_CR); + if (!(val & 0x8000)) + pr_warn("TR Register[0x%X] configuration failed\n", regaddr); +err: + return phy_restore_page(phydev, save_page, ret); +} + +static void lan88xx_config_TR_regs(struct phy_device *phydev) +{ + int err; + + /* Get access to Channel 0x1, Node 0xF , Register 0x01. + * Write 24-bit value 0x12B00A to register. Setting MrvlTrFix1000Kf, + * MrvlTrFix1000Kp, MasterEnableTR bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x0F82, 0x12B00A); + if (err < 0) + pr_warn("Failed to Set Register[0x0F82]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x06. + * Write 24-bit value 0xD2C46F to register. Setting SSTrKf1000Slv, + * SSTrKp1000Mas bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x168C, 0xD2C46F); + if (err < 0) + pr_warn("Failed to Set Register[0x168C]\n"); + + /* Get access to Channel b'10, Node b'1111, Register 0x11. + * Write 24-bit value 0x620 to register. Setting rem_upd_done_thresh + * bits + */ + err = lan88xx_TR_reg_set(phydev, 0x17A2, 0x620); + if (err < 0) + pr_warn("Failed to Set Register[0x17A2]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x10. + * Write 24-bit value 0xEEFFDD to register. Setting + * eee_TrKp1Long_1000, eee_TrKp2Long_1000, eee_TrKp3Long_1000, + * eee_TrKp1Short_1000,eee_TrKp2Short_1000, eee_TrKp3Short_1000 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x16A0, 0xEEFFDD); + if (err < 0) + pr_warn("Failed to Set Register[0x16A0]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x13. + * Write 24-bit value 0x071448 to register. Setting + * slv_lpi_tr_tmr_val1, slv_lpi_tr_tmr_val2 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x16A6, 0x071448); + if (err < 0) + pr_warn("Failed to Set Register[0x16A6]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x12. + * Write 24-bit value 0x13132F to register. Setting + * slv_sigdet_timer_val1, slv_sigdet_timer_val2 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x16A4, 0x13132F); + if (err < 0) + pr_warn("Failed to Set Register[0x16A4]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x14. + * Write 24-bit value 0x0 to register. Setting eee_3level_delay, + * eee_TrKf_freeze_delay bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x16A8, 0x0); + if (err < 0) + pr_warn("Failed to Set Register[0x16A8]\n"); + + /* Get access to Channel b'01, Node b'1111, Register 0x34. + * Write 24-bit value 0x91B06C to register. Setting + * FastMseSearchThreshLong1000, FastMseSearchThreshShort1000, + * FastMseSearchUpdGain1000 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x0FE8, 0x91B06C); + if (err < 0) + pr_warn("Failed to Set Register[0x0FE8]\n"); + + /* Get access to Channel b'01, Node b'1111, Register 0x3E. + * Write 24-bit value 0xC0A028 to register. Setting + * FastMseKp2ThreshLong1000, FastMseKp2ThreshShort1000, + * FastMseKp2UpdGain1000, FastMseKp2ExitEn1000 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x0FFC, 0xC0A028); + if (err < 0) + pr_warn("Failed to Set Register[0x0FFC]\n"); + + /* Get access to Channel b'01, Node b'1111, Register 0x35. + * Write 24-bit value 0x041600 to register. Setting + * FastMseSearchPhShNum1000, FastMseSearchClksPerPh1000, + * FastMsePhChangeDelay1000 bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x0FEA, 0x041600); + if (err < 0) + pr_warn("Failed to Set Register[0x0FEA]\n"); + + /* Get access to Channel b'10, Node b'1101, Register 0x03. + * Write 24-bit value 0x000004 to register. Setting TrFreeze bits. + */ + err = lan88xx_TR_reg_set(phydev, 0x1686, 0x000004); + if (err < 0) + pr_warn("Failed to Set Register[0x1686]\n"); +} + static int lan88xx_probe(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; @@ -157,6 +312,25 @@ static void lan88xx_set_mdix(struct phy_device *phydev) phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_0); } +static int lan88xx_config_init(struct phy_device *phydev) +{ + int val; + + genphy_config_init(phydev); + /*Zerodetect delay enable */ + val = phy_read_mmd(phydev, MDIO_MMD_PCS, + PHY_ARDENNES_MMD_DEV_3_PHY_CFG); + val |= PHY_ARDENNES_MMD_DEV_3_PHY_CFG_ZD_DLY_EN_; + + phy_write_mmd(phydev, MDIO_MMD_PCS, PHY_ARDENNES_MMD_DEV_3_PHY_CFG, + val); + + /* Config DSP registers */ + lan88xx_config_TR_regs(phydev); + + return 0; +} + static int lan88xx_config_aneg(struct phy_device *phydev) { lan88xx_set_mdix(phydev); @@ -176,7 +350,7 @@ static struct phy_driver microchip_phy_driver[] = { .probe = lan88xx_probe, .remove = lan88xx_remove, - .config_init = genphy_config_init, + .config_init = lan88xx_config_init, .config_aneg = lan88xx_config_aneg, .ack_interrupt = lan88xx_phy_ack_interrupt, @@ -185,6 +359,8 @@ static struct phy_driver microchip_phy_driver[] = { .suspend = lan88xx_suspend, .resume = genphy_resume, .set_wol = lan88xx_set_wol, + .read_page = lan88xx_read_page, + .write_page = lan88xx_write_page, } }; module_phy_driver(microchip_phy_driver); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 8a8611095ca0..5c77fa445d2d 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -261,6 +261,17 @@ static void __team_option_inst_mark_removed_port(struct team *team, } } +static bool __team_option_inst_tmp_find(const struct list_head *opts, + const struct team_option_inst *needle) +{ + struct team_option_inst *opt_inst; + + list_for_each_entry(opt_inst, opts, tmp_list) + if (opt_inst == needle) + return true; + return false; +} + static int __team_options_register(struct team *team, const struct team_option *option, size_t option_count) @@ -2568,6 +2579,14 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info) if (err) goto team_put; opt_inst->changed = true; + + /* dumb/evil user-space can send us duplicate opt, + * keep only the last one + */ + if (__team_option_inst_tmp_find(&opt_inst_list, + opt_inst)) + continue; + list_add(&opt_inst->tmp_list, &opt_inst_list); } if (!opt_found) { diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 11028d5f5e8d..d3c04ab9752a 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1102,12 +1102,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) goto drop; len = run_ebpf_filter(tun, skb, len); - - /* Trim extra bytes since we may insert vlan proto & TCI - * in tun_put_user(). - */ - len -= skb_vlan_tag_present(skb) ? sizeof(struct veth) : 0; - if (len <= 0 || pskb_trim(skb, len)) + if (len == 0 || pskb_trim(skb, len)) goto drop; if (unlikely(skb_orphan_frags_rx(skb, GFP_ATOMIC))) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index ca066b785e9f..c853e7410f5a 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1107,6 +1107,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ + {QMI_FIXED_INTF(0x1435, 0xd191, 4)}, /* Wistron NeWeb D19Q1 */ {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 779a4f798522..3b5991734118 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -147,6 +147,17 @@ struct receive_queue { struct xdp_rxq_info xdp_rxq; }; +/* Control VQ buffers: protected by the rtnl lock */ +struct control_buf { + struct virtio_net_ctrl_hdr hdr; + virtio_net_ctrl_ack status; + struct virtio_net_ctrl_mq mq; + u8 promisc; + u8 allmulti; + __virtio16 vid; + __virtio64 offloads; +}; + struct virtnet_info { struct virtio_device *vdev; struct virtqueue *cvq; @@ -192,14 +203,7 @@ struct virtnet_info { struct hlist_node node; struct hlist_node node_dead; - /* Control VQ buffers: protected by the rtnl lock */ - struct virtio_net_ctrl_hdr ctrl_hdr; - virtio_net_ctrl_ack ctrl_status; - struct virtio_net_ctrl_mq ctrl_mq; - u8 ctrl_promisc; - u8 ctrl_allmulti; - u16 ctrl_vid; - u64 ctrl_offloads; + struct control_buf *ctrl; /* Ethtool settings */ u8 duplex; @@ -1282,7 +1286,9 @@ static int virtnet_poll(struct napi_struct *napi, int budget) { struct receive_queue *rq = container_of(napi, struct receive_queue, napi); - unsigned int received; + struct virtnet_info *vi = rq->vq->vdev->priv; + struct send_queue *sq; + unsigned int received, qp; bool xdp_xmit = false; virtnet_poll_cleantx(rq); @@ -1293,8 +1299,13 @@ static int virtnet_poll(struct napi_struct *napi, int budget) if (received < budget) virtqueue_napi_complete(napi, rq->vq, received); - if (xdp_xmit) + if (xdp_xmit) { + qp = vi->curr_queue_pairs - vi->xdp_queue_pairs + + smp_processor_id(); + sq = &vi->sq[qp]; + virtqueue_kick(sq->vq); xdp_do_flush_map(); + } return received; } @@ -1474,25 +1485,25 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, /* Caller should know better */ BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)); - vi->ctrl_status = ~0; - vi->ctrl_hdr.class = class; - vi->ctrl_hdr.cmd = cmd; + vi->ctrl->status = ~0; + vi->ctrl->hdr.class = class; + vi->ctrl->hdr.cmd = cmd; /* Add header */ - sg_init_one(&hdr, &vi->ctrl_hdr, sizeof(vi->ctrl_hdr)); + sg_init_one(&hdr, &vi->ctrl->hdr, sizeof(vi->ctrl->hdr)); sgs[out_num++] = &hdr; if (out) sgs[out_num++] = out; /* Add return status. */ - sg_init_one(&stat, &vi->ctrl_status, sizeof(vi->ctrl_status)); + sg_init_one(&stat, &vi->ctrl->status, sizeof(vi->ctrl->status)); sgs[out_num] = &stat; BUG_ON(out_num + 1 > ARRAY_SIZE(sgs)); virtqueue_add_sgs(vi->cvq, sgs, out_num, 1, vi, GFP_ATOMIC); if (unlikely(!virtqueue_kick(vi->cvq))) - return vi->ctrl_status == VIRTIO_NET_OK; + return vi->ctrl->status == VIRTIO_NET_OK; /* Spin for a response, the kick causes an ioport write, trapping * into the hypervisor, so the request should be handled immediately. @@ -1501,7 +1512,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd, !virtqueue_is_broken(vi->cvq)) cpu_relax(); - return vi->ctrl_status == VIRTIO_NET_OK; + return vi->ctrl->status == VIRTIO_NET_OK; } static int virtnet_set_mac_address(struct net_device *dev, void *p) @@ -1613,8 +1624,8 @@ static int _virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs) if (!vi->has_cvq || !virtio_has_feature(vi->vdev, VIRTIO_NET_F_MQ)) return 0; - vi->ctrl_mq.virtqueue_pairs = cpu_to_virtio16(vi->vdev, queue_pairs); - sg_init_one(&sg, &vi->ctrl_mq, sizeof(vi->ctrl_mq)); + vi->ctrl->mq.virtqueue_pairs = cpu_to_virtio16(vi->vdev, queue_pairs); + sg_init_one(&sg, &vi->ctrl->mq, sizeof(vi->ctrl->mq)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_MQ, VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET, &sg)) { @@ -1673,22 +1684,22 @@ static void virtnet_set_rx_mode(struct net_device *dev) if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_RX)) return; - vi->ctrl_promisc = ((dev->flags & IFF_PROMISC) != 0); - vi->ctrl_allmulti = ((dev->flags & IFF_ALLMULTI) != 0); + vi->ctrl->promisc = ((dev->flags & IFF_PROMISC) != 0); + vi->ctrl->allmulti = ((dev->flags & IFF_ALLMULTI) != 0); - sg_init_one(sg, &vi->ctrl_promisc, sizeof(vi->ctrl_promisc)); + sg_init_one(sg, &vi->ctrl->promisc, sizeof(vi->ctrl->promisc)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_PROMISC, sg)) dev_warn(&dev->dev, "Failed to %sable promisc mode.\n", - vi->ctrl_promisc ? "en" : "dis"); + vi->ctrl->promisc ? "en" : "dis"); - sg_init_one(sg, &vi->ctrl_allmulti, sizeof(vi->ctrl_allmulti)); + sg_init_one(sg, &vi->ctrl->allmulti, sizeof(vi->ctrl->allmulti)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_RX, VIRTIO_NET_CTRL_RX_ALLMULTI, sg)) dev_warn(&dev->dev, "Failed to %sable allmulti mode.\n", - vi->ctrl_allmulti ? "en" : "dis"); + vi->ctrl->allmulti ? "en" : "dis"); uc_count = netdev_uc_count(dev); mc_count = netdev_mc_count(dev); @@ -1734,8 +1745,8 @@ static int virtnet_vlan_rx_add_vid(struct net_device *dev, struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - vi->ctrl_vid = vid; - sg_init_one(&sg, &vi->ctrl_vid, sizeof(vi->ctrl_vid)); + vi->ctrl->vid = cpu_to_virtio16(vi->vdev, vid); + sg_init_one(&sg, &vi->ctrl->vid, sizeof(vi->ctrl->vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_ADD, &sg)) @@ -1749,8 +1760,8 @@ static int virtnet_vlan_rx_kill_vid(struct net_device *dev, struct virtnet_info *vi = netdev_priv(dev); struct scatterlist sg; - vi->ctrl_vid = vid; - sg_init_one(&sg, &vi->ctrl_vid, sizeof(vi->ctrl_vid)); + vi->ctrl->vid = cpu_to_virtio16(vi->vdev, vid); + sg_init_one(&sg, &vi->ctrl->vid, sizeof(vi->ctrl->vid)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN, VIRTIO_NET_CTRL_VLAN_DEL, &sg)) @@ -2146,9 +2157,9 @@ static int virtnet_restore_up(struct virtio_device *vdev) static int virtnet_set_guest_offloads(struct virtnet_info *vi, u64 offloads) { struct scatterlist sg; - vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); + vi->ctrl->offloads = cpu_to_virtio64(vi->vdev, offloads); - sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); + sg_init_one(&sg, &vi->ctrl->offloads, sizeof(vi->ctrl->offloads)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { @@ -2371,6 +2382,7 @@ static void virtnet_free_queues(struct virtnet_info *vi) kfree(vi->rq); kfree(vi->sq); + kfree(vi->ctrl); } static void _free_receive_bufs(struct virtnet_info *vi) @@ -2563,6 +2575,9 @@ static int virtnet_alloc_queues(struct virtnet_info *vi) { int i; + vi->ctrl = kzalloc(sizeof(*vi->ctrl), GFP_KERNEL); + if (!vi->ctrl) + goto err_ctrl; vi->sq = kzalloc(sizeof(*vi->sq) * vi->max_queue_pairs, GFP_KERNEL); if (!vi->sq) goto err_sq; @@ -2591,6 +2606,8 @@ static int virtnet_alloc_queues(struct virtnet_info *vi) err_rq: kfree(vi->sq); err_sq: + kfree(vi->ctrl); +err_ctrl: return -ENOMEM; } diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index e04937f44f33..9ebe2a689966 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1218,6 +1218,7 @@ vmxnet3_get_hdr_len(struct vmxnet3_adapter *adapter, struct sk_buff *skb, union { void *ptr; struct ethhdr *eth; + struct vlan_ethhdr *veth; struct iphdr *ipv4; struct ipv6hdr *ipv6; struct tcphdr *tcp; @@ -1228,16 +1229,24 @@ vmxnet3_get_hdr_len(struct vmxnet3_adapter *adapter, struct sk_buff *skb, if (unlikely(sizeof(struct iphdr) + sizeof(struct tcphdr) > maplen)) return 0; + if (skb->protocol == cpu_to_be16(ETH_P_8021Q) || + skb->protocol == cpu_to_be16(ETH_P_8021AD)) + hlen = sizeof(struct vlan_ethhdr); + else + hlen = sizeof(struct ethhdr); + hdr.eth = eth_hdr(skb); if (gdesc->rcd.v4) { - BUG_ON(hdr.eth->h_proto != htons(ETH_P_IP)); - hdr.ptr += sizeof(struct ethhdr); + BUG_ON(hdr.eth->h_proto != htons(ETH_P_IP) && + hdr.veth->h_vlan_encapsulated_proto != htons(ETH_P_IP)); + hdr.ptr += hlen; BUG_ON(hdr.ipv4->protocol != IPPROTO_TCP); hlen = hdr.ipv4->ihl << 2; hdr.ptr += hdr.ipv4->ihl << 2; } else if (gdesc->rcd.v6) { - BUG_ON(hdr.eth->h_proto != htons(ETH_P_IPV6)); - hdr.ptr += sizeof(struct ethhdr); + BUG_ON(hdr.eth->h_proto != htons(ETH_P_IPV6) && + hdr.veth->h_vlan_encapsulated_proto != htons(ETH_P_IPV6)); + hdr.ptr += hlen; /* Use an estimated value, since we also need to handle * TSO case. */ diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h index 59ec34052a65..a3326463b71f 100644 --- a/drivers/net/vmxnet3/vmxnet3_int.h +++ b/drivers/net/vmxnet3/vmxnet3_int.h @@ -69,10 +69,10 @@ /* * Version numbers */ -#define VMXNET3_DRIVER_VERSION_STRING "1.4.13.0-k" +#define VMXNET3_DRIVER_VERSION_STRING "1.4.14.0-k" /* a 32-bit int, each byte encode a verion number in VMXNET3_DRIVER_VERSION */ -#define VMXNET3_DRIVER_VERSION_NUM 0x01040d00 +#define VMXNET3_DRIVER_VERSION_NUM 0x01040e00 #if defined(CONFIG_PCI_MSI) /* RSS only makes sense if MSI-X is supported. */ diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 197a6ba9700f..9df4f71e58ca 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -376,6 +376,15 @@ static void nvme_put_ns(struct nvme_ns *ns) kref_put(&ns->kref, nvme_free_ns); } +static inline void nvme_clear_nvme_request(struct request *req) +{ + if (!(req->rq_flags & RQF_DONTPREP)) { + nvme_req(req)->retries = 0; + nvme_req(req)->flags = 0; + req->rq_flags |= RQF_DONTPREP; + } +} + struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, blk_mq_req_flags_t flags, int qid) { @@ -392,6 +401,7 @@ struct request *nvme_alloc_request(struct request_queue *q, return req; req->cmd_flags |= REQ_FAILFAST_DRIVER; + nvme_clear_nvme_request(req); nvme_req(req)->cmd = cmd; return req; @@ -608,11 +618,7 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req, { blk_status_t ret = BLK_STS_OK; - if (!(req->rq_flags & RQF_DONTPREP)) { - nvme_req(req)->retries = 0; - nvme_req(req)->flags = 0; - req->rq_flags |= RQF_DONTPREP; - } + nvme_clear_nvme_request(req); switch (req_op(req)) { case REQ_OP_DRV_IN: @@ -742,6 +748,7 @@ static int nvme_submit_user_cmd(struct request_queue *q, return PTR_ERR(req); req->timeout = timeout ? timeout : ADMIN_TIMEOUT; + nvme_req(req)->flags |= NVME_REQ_USERCMD; if (ubuffer && bufflen) { ret = blk_rq_map_user(q, req, NULL, ubuffer, bufflen, @@ -826,7 +833,7 @@ static void nvme_keep_alive_work(struct work_struct *work) } } -void nvme_start_keep_alive(struct nvme_ctrl *ctrl) +static void nvme_start_keep_alive(struct nvme_ctrl *ctrl) { if (unlikely(ctrl->kato == 0)) return; @@ -836,7 +843,6 @@ void nvme_start_keep_alive(struct nvme_ctrl *ctrl) ctrl->ka_cmd.common.opcode = nvme_admin_keep_alive; schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); } -EXPORT_SYMBOL_GPL(nvme_start_keep_alive); void nvme_stop_keep_alive(struct nvme_ctrl *ctrl) { @@ -1103,7 +1109,7 @@ static u32 nvme_passthru_start(struct nvme_ctrl *ctrl, struct nvme_ns *ns, } if (ctrl->effects) - effects = le32_to_cpu(ctrl->effects->iocs[opcode]); + effects = le32_to_cpu(ctrl->effects->acs[opcode]); else effects = nvme_known_admin_effects(opcode); @@ -2220,7 +2226,7 @@ out_unlock: int nvme_get_log_ext(struct nvme_ctrl *ctrl, struct nvme_ns *ns, u8 log_page, void *log, - size_t size, size_t offset) + size_t size, u64 offset) { struct nvme_command c = { }; unsigned long dwlen = size / 4 - 1; @@ -2235,8 +2241,8 @@ int nvme_get_log_ext(struct nvme_ctrl *ctrl, struct nvme_ns *ns, c.get_log_page.lid = log_page; c.get_log_page.numdl = cpu_to_le16(dwlen & ((1 << 16) - 1)); c.get_log_page.numdu = cpu_to_le16(dwlen >> 16); - c.get_log_page.lpol = cpu_to_le32(offset & ((1ULL << 32) - 1)); - c.get_log_page.lpou = cpu_to_le32(offset >> 32ULL); + c.get_log_page.lpol = cpu_to_le32(lower_32_bits(offset)); + c.get_log_page.lpou = cpu_to_le32(upper_32_bits(offset)); return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); } @@ -2833,7 +2839,9 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, goto out_free_head; head->instance = ret; INIT_LIST_HEAD(&head->list); - init_srcu_struct(&head->srcu); + ret = init_srcu_struct(&head->srcu); + if (ret) + goto out_ida_remove; head->subsys = ctrl->subsys; head->ns_id = nsid; kref_init(&head->ref); @@ -2855,6 +2863,7 @@ static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl, return head; out_cleanup_srcu: cleanup_srcu_struct(&head->srcu); +out_ida_remove: ida_simple_remove(&ctrl->subsys->ns_ida, head->instance); out_free_head: kfree(head); diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 8f0f34d06d46..124c458806df 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -536,6 +536,85 @@ static struct nvmf_transport_ops *nvmf_lookup_transport( return NULL; } +blk_status_t nvmf_check_if_ready(struct nvme_ctrl *ctrl, struct request *rq, + bool queue_live, bool is_connected) +{ + struct nvme_command *cmd = nvme_req(rq)->cmd; + + if (likely(ctrl->state == NVME_CTRL_LIVE && is_connected)) + return BLK_STS_OK; + + switch (ctrl->state) { + case NVME_CTRL_DELETING: + goto reject_io; + + case NVME_CTRL_NEW: + case NVME_CTRL_CONNECTING: + if (!is_connected) + /* + * This is the case of starting a new + * association but connectivity was lost + * before it was fully created. We need to + * error the commands used to initialize the + * controller so the reconnect can go into a + * retry attempt. The commands should all be + * marked REQ_FAILFAST_DRIVER, which will hit + * the reject path below. Anything else will + * be queued while the state settles. + */ + goto reject_or_queue_io; + + if ((queue_live && + !(nvme_req(rq)->flags & NVME_REQ_USERCMD)) || + (!queue_live && blk_rq_is_passthrough(rq) && + cmd->common.opcode == nvme_fabrics_command && + cmd->fabrics.fctype == nvme_fabrics_type_connect)) + /* + * If queue is live, allow only commands that + * are internally generated pass through. These + * are commands on the admin queue to initialize + * the controller. This will reject any ioctl + * admin cmds received while initializing. + * + * If the queue is not live, allow only a + * connect command. This will reject any ioctl + * admin cmd as well as initialization commands + * if the controller reverted the queue to non-live. + */ + return BLK_STS_OK; + + /* + * fall-thru to the reject_or_queue_io clause + */ + break; + + /* these cases fall-thru + * case NVME_CTRL_LIVE: + * case NVME_CTRL_RESETTING: + */ + default: + break; + } + +reject_or_queue_io: + /* + * Any other new io is something we're not in a state to send + * to the device. Default action is to busy it and retry it + * after the controller state is recovered. However, anything + * marked for failfast or nvme multipath is immediately failed. + * Note: commands used to initialize the controller will be + * marked for failfast. + * Note: nvme cli/ioctl commands are marked for failfast. + */ + if (!blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) + return BLK_STS_RESOURCE; + +reject_io: + nvme_req(rq)->status = NVME_SC_ABORT_REQ; + return BLK_STS_IOERR; +} +EXPORT_SYMBOL_GPL(nvmf_check_if_ready); + static const match_table_t opt_tokens = { { NVMF_OPT_TRANSPORT, "transport=%s" }, { NVMF_OPT_TRADDR, "traddr=%s" }, @@ -608,8 +687,10 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts, opts->discovery_nqn = !(strcmp(opts->subsysnqn, NVME_DISC_SUBSYS_NAME)); - if (opts->discovery_nqn) + if (opts->discovery_nqn) { + opts->kato = 0; opts->nr_io_queues = 0; + } break; case NVMF_OPT_TRADDR: p = match_strdup(args); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index a3145d90c1d2..ef46c915b7b5 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -157,36 +157,7 @@ void nvmf_unregister_transport(struct nvmf_transport_ops *ops); void nvmf_free_options(struct nvmf_ctrl_options *opts); int nvmf_get_address(struct nvme_ctrl *ctrl, char *buf, int size); bool nvmf_should_reconnect(struct nvme_ctrl *ctrl); - -static inline blk_status_t nvmf_check_init_req(struct nvme_ctrl *ctrl, - struct request *rq) -{ - struct nvme_command *cmd = nvme_req(rq)->cmd; - - /* - * We cannot accept any other command until the connect command has - * completed, so only allow connect to pass. - */ - if (!blk_rq_is_passthrough(rq) || - cmd->common.opcode != nvme_fabrics_command || - cmd->fabrics.fctype != nvme_fabrics_type_connect) { - /* - * Connecting state means transport disruption or initial - * establishment, which can take a long time and even might - * fail permanently, fail fast to give upper layers a chance - * to failover. - * Deleting state means that the ctrl will never accept commands - * again, fail it permanently. - */ - if (ctrl->state == NVME_CTRL_CONNECTING || - ctrl->state == NVME_CTRL_DELETING) { - nvme_req(rq)->status = NVME_SC_ABORT_REQ; - return BLK_STS_IOERR; - } - return BLK_STS_RESOURCE; /* try again later */ - } - - return BLK_STS_OK; -} +blk_status_t nvmf_check_if_ready(struct nvme_ctrl *ctrl, + struct request *rq, bool queue_live, bool is_connected); #endif /* _NVME_FABRICS_H */ diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index c6e719b2f3ca..6cb26bcf6ec0 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2277,14 +2277,6 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, return BLK_STS_OK; } -static inline blk_status_t nvme_fc_is_ready(struct nvme_fc_queue *queue, - struct request *rq) -{ - if (unlikely(!test_bit(NVME_FC_Q_LIVE, &queue->flags))) - return nvmf_check_init_req(&queue->ctrl->ctrl, rq); - return BLK_STS_OK; -} - static blk_status_t nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) @@ -2300,7 +2292,9 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, u32 data_len; blk_status_t ret; - ret = nvme_fc_is_ready(queue, rq); + ret = nvmf_check_if_ready(&queue->ctrl->ctrl, rq, + test_bit(NVME_FC_Q_LIVE, &queue->flags), + ctrl->rport->remoteport.port_state == FC_OBJSTATE_ONLINE); if (unlikely(ret)) return ret; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index cf93690b3ffc..061fecfd44f5 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -105,6 +105,7 @@ struct nvme_request { enum { NVME_REQ_CANCELLED = (1 << 0), + NVME_REQ_USERCMD = (1 << 1), }; static inline struct nvme_request *nvme_req(struct request *req) @@ -422,7 +423,6 @@ int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, unsigned timeout, int qid, int at_head, blk_mq_req_flags_t flags); int nvme_set_queue_count(struct nvme_ctrl *ctrl, int *count); -void nvme_start_keep_alive(struct nvme_ctrl *ctrl); void nvme_stop_keep_alive(struct nvme_ctrl *ctrl); int nvme_reset_ctrl(struct nvme_ctrl *ctrl); int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl); @@ -430,7 +430,7 @@ int nvme_delete_ctrl(struct nvme_ctrl *ctrl); int nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl); int nvme_get_log_ext(struct nvme_ctrl *ctrl, struct nvme_ns *ns, - u8 log_page, void *log, size_t size, size_t offset); + u8 log_page, void *log, size_t size, u64 offset); extern const struct attribute_group nvme_ns_id_attr_group; extern const struct block_device_operations nvme_ns_head_ops; diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 295fbec1e5f2..fbc71fac6f1e 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -84,6 +84,7 @@ struct nvme_dev { struct dma_pool *prp_small_pool; unsigned online_queues; unsigned max_qid; + unsigned int num_vecs; int q_depth; u32 db_stride; void __iomem *bar; @@ -414,7 +415,8 @@ static int nvme_pci_map_queues(struct blk_mq_tag_set *set) { struct nvme_dev *dev = set->driver_data; - return blk_mq_pci_map_queues(set, to_pci_dev(dev->dev), 0); + return blk_mq_pci_map_queues(set, to_pci_dev(dev->dev), + dev->num_vecs > 1 ? 1 /* admin queue */ : 0); } /** @@ -1380,8 +1382,7 @@ static int nvme_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq, return 0; } -static int nvme_alloc_queue(struct nvme_dev *dev, int qid, - int depth, int node) +static int nvme_alloc_queue(struct nvme_dev *dev, int qid, int depth) { struct nvme_queue *nvmeq = &dev->queues[qid]; @@ -1457,7 +1458,11 @@ static int nvme_create_queue(struct nvme_queue *nvmeq, int qid) nvmeq->sq_cmds_io = dev->cmb + offset; } - nvmeq->cq_vector = qid - 1; + /* + * A queue's vector matches the queue identifier unless the controller + * has only one vector available. + */ + nvmeq->cq_vector = dev->num_vecs == 1 ? 0 : qid; result = adapter_alloc_cq(dev, qid, nvmeq); if (result < 0) goto release_vector; @@ -1596,8 +1601,7 @@ static int nvme_pci_configure_admin_queue(struct nvme_dev *dev) if (result < 0) return result; - result = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH, - dev_to_node(dev->dev)); + result = nvme_alloc_queue(dev, 0, NVME_AQ_DEPTH); if (result) return result; @@ -1630,9 +1634,7 @@ static int nvme_create_io_queues(struct nvme_dev *dev) int ret = 0; for (i = dev->ctrl.queue_count; i <= dev->max_qid; i++) { - /* vector == qid - 1, match nvme_create_queue */ - if (nvme_alloc_queue(dev, i, dev->q_depth, - pci_irq_get_node(to_pci_dev(dev->dev), i - 1))) { + if (nvme_alloc_queue(dev, i, dev->q_depth)) { ret = -ENOMEM; break; } @@ -1914,6 +1916,10 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) int result, nr_io_queues; unsigned long size; + struct irq_affinity affd = { + .pre_vectors = 1 + }; + nr_io_queues = num_possible_cpus(); result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) @@ -1949,11 +1955,12 @@ static int nvme_setup_io_queues(struct nvme_dev *dev) * setting up the full range we need. */ pci_free_irq_vectors(pdev); - nr_io_queues = pci_alloc_irq_vectors(pdev, 1, nr_io_queues, - PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY); - if (nr_io_queues <= 0) + result = pci_alloc_irq_vectors_affinity(pdev, 1, nr_io_queues + 1, + PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY, &affd); + if (result <= 0) return -EIO; - dev->max_qid = nr_io_queues; + dev->num_vecs = result; + dev->max_qid = max(result - 1, 1); /* * Should investigate if there's a performance win from allocating @@ -2201,7 +2208,7 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) nvme_stop_queues(&dev->ctrl); - if (!dead) { + if (!dead && dev->ctrl.queue_count > 0) { /* * If the controller is still alive tell it to stop using the * host memory buffer. In theory the shutdown / reset should diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 758537e9ba07..1eb4438a8763 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1601,17 +1601,6 @@ nvme_rdma_timeout(struct request *rq, bool reserved) return BLK_EH_HANDLED; } -/* - * We cannot accept any other command until the Connect command has completed. - */ -static inline blk_status_t -nvme_rdma_is_ready(struct nvme_rdma_queue *queue, struct request *rq) -{ - if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags))) - return nvmf_check_init_req(&queue->ctrl->ctrl, rq); - return BLK_STS_OK; -} - static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { @@ -1627,7 +1616,8 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, WARN_ON_ONCE(rq->tag < 0); - ret = nvme_rdma_is_ready(queue, rq); + ret = nvmf_check_if_ready(&queue->ctrl->ctrl, rq, + test_bit(NVME_RDMA_Q_LIVE, &queue->flags), true); if (unlikely(ret)) return ret; diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index 90dcdc40ac71..5e0e9fcc0d4d 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -178,6 +178,7 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req) id->vid = 0; id->ssvid = 0; + memset(id->sn, ' ', sizeof(id->sn)); bin2hex(id->sn, &ctrl->subsys->serial, min(sizeof(ctrl->subsys->serial), sizeof(id->sn) / 2)); memcpy_and_pad(id->mn, sizeof(id->mn), model, sizeof(model) - 1, ' '); diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c index a72425d8bce0..231e04e0a496 100644 --- a/drivers/nvme/target/discovery.c +++ b/drivers/nvme/target/discovery.c @@ -59,7 +59,7 @@ static void nvmet_format_discovery_entry(struct nvmf_disc_rsp_page_hdr *hdr, memcpy(e->trsvcid, port->disc_addr.trsvcid, NVMF_TRSVCID_SIZE); memcpy(e->traddr, traddr, NVMF_TRADDR_SIZE); memcpy(e->tsas.common, port->disc_addr.tsas.common, NVMF_TSAS_SIZE); - memcpy(e->subnqn, subsys_nqn, NVMF_NQN_SIZE); + strncpy(e->subnqn, subsys_nqn, NVMF_NQN_SIZE); } /* diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index 28bbdff4a88b..cd2344179673 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -173,8 +173,8 @@ static void nvmet_execute_write_zeroes(struct nvmet_req *req) sector = le64_to_cpu(write_zeroes->slba) << (req->ns->blksize_shift - 9); - nr_sector = (((sector_t)le16_to_cpu(write_zeroes->length)) << - (req->ns->blksize_shift - 9)) + 1; + nr_sector = (((sector_t)le16_to_cpu(write_zeroes->length) + 1) << + (req->ns->blksize_shift - 9)); if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector, GFP_KERNEL, &bio, 0)) diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index a350765d2d5c..31fdfba556a8 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -149,14 +149,6 @@ nvme_loop_timeout(struct request *rq, bool reserved) return BLK_EH_HANDLED; } -static inline blk_status_t nvme_loop_is_ready(struct nvme_loop_queue *queue, - struct request *rq) -{ - if (unlikely(!test_bit(NVME_LOOP_Q_LIVE, &queue->flags))) - return nvmf_check_init_req(&queue->ctrl->ctrl, rq); - return BLK_STS_OK; -} - static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { @@ -166,7 +158,8 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, struct nvme_loop_iod *iod = blk_mq_rq_to_pdu(req); blk_status_t ret; - ret = nvme_loop_is_ready(queue, req); + ret = nvmf_check_if_ready(&queue->ctrl->ctrl, req, + test_bit(NVME_LOOP_Q_LIVE, &queue->flags), true); if (unlikely(ret)) return ret; @@ -174,15 +167,12 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, if (ret) return ret; + blk_mq_start_request(req); iod->cmd.common.flags |= NVME_CMD_SGL_METABUF; iod->req.port = nvmet_loop_port; if (!nvmet_req_init(&iod->req, &queue->nvme_cq, - &queue->nvme_sq, &nvme_loop_ops)) { - nvme_cleanup_cmd(req); - blk_mq_start_request(req); - nvme_loop_queue_response(&iod->req); + &queue->nvme_sq, &nvme_loop_ops)) return BLK_STS_OK; - } if (blk_rq_payload_bytes(req)) { iod->sg_table.sgl = iod->first_sgl; @@ -196,8 +186,6 @@ static blk_status_t nvme_loop_queue_rq(struct blk_mq_hw_ctx *hctx, iod->req.transfer_len = blk_rq_payload_bytes(req); } - blk_mq_start_request(req); - schedule_work(&iod->work); return BLK_STS_OK; } diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile index 8fd0ea4b92b0..013d85e694c6 100644 --- a/drivers/of/unittest-data/Makefile +++ b/drivers/of/unittest-data/Makefile @@ -21,8 +21,6 @@ obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \ overlay_bad_symbol.dtb.o \ overlay_base.dtb.o -targets += $(foreach suffix, dtb dtb.S, $(patsubst %.dtb.o,%.$(suffix),$(obj-y))) - # enable creation of __symbols__ node DTC_FLAGS_overlay += -@ DTC_FLAGS_overlay_bad_phandle += -@ @@ -32,7 +30,3 @@ DTC_FLAGS_testcases += -@ # suppress warnings about intentional errors DTC_FLAGS_testcases += -Wno-interrupts_property - -.PRECIOUS: \ - $(obj)/%.dtb.S \ - $(obj)/%.dtb diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index aa86e904f93c..e597655a5643 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5628,7 +5628,6 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev) return; } - pci_info(dev, "Disabling memory decoding and releasing memory resources\n"); pci_read_config_word(dev, PCI_COMMAND, &command); command &= ~PCI_COMMAND_MEMORY; pci_write_config_word(dev, PCI_COMMAND, command); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 26141b1946ee..2990ad1e7c99 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4673,9 +4673,13 @@ static void quirk_no_ext_tags(struct pci_dev *pdev) pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL); } +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0132, quirk_no_ext_tags); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0140, quirk_no_ext_tags); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0141, quirk_no_ext_tags); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0142, quirk_no_ext_tags); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0144, quirk_no_ext_tags); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0420, quirk_no_ext_tags); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags); #ifdef CONFIG_PCI_ATS /* diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 0cd83a4bd4c8..d8ca40a97693 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -168,8 +168,6 @@ EXPORT_SYMBOL(pci_claim_resource); void pci_disable_bridge_window(struct pci_dev *dev) { - pci_info(dev, "disabling bridge mem windows\n"); - /* MMIO Base/Limit */ pci_write_config_dword(dev, PCI_MEMORY_BASE, 0x0000fff0); diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c index d8599736a41a..5c47f451e43b 100644 --- a/drivers/platform/chrome/chromeos_laptop.c +++ b/drivers/platform/chrome/chromeos_laptop.c @@ -1,33 +1,20 @@ -/* - * chromeos_laptop.c - Driver to instantiate Chromebook i2c/smbus devices. - * - * Author : Benson Leung <bleung@chromium.org> - * - * Copyright (C) 2012 Google, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ +// SPDX-License-Identifier: GPL-2.0+ +// Driver to instantiate Chromebook i2c/smbus devices. +// +// Copyright (C) 2012 Google, Inc. +// Author: Benson Leung <bleung@chromium.org> + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/dmi.h> #include <linux/i2c.h> -#include <linux/platform_data/atmel_mxt_ts.h> #include <linux/input.h> #include <linux/interrupt.h> +#include <linux/ioport.h> #include <linux/module.h> +#include <linux/pci.h> #include <linux/platform_device.h> +#include <linux/property.h> #define ATMEL_TP_I2C_ADDR 0x4b #define ATMEL_TP_I2C_BL_ADDR 0x25 @@ -38,18 +25,11 @@ #define ISL_ALS_I2C_ADDR 0x44 #define TAOS_ALS_I2C_ADDR 0x29 -#define MAX_I2C_DEVICE_DEFERRALS 5 - -static struct i2c_client *als; -static struct i2c_client *tp; -static struct i2c_client *ts; - static const char *i2c_adapter_names[] = { "SMBus I801 adapter", "i915 gmbus vga", "i915 gmbus panel", "Synopsys DesignWare I2C adapter", - "Synopsys DesignWare I2C adapter", }; /* Keep this enum consistent with i2c_adapter_names */ @@ -57,126 +37,41 @@ enum i2c_adapter_type { I2C_ADAPTER_SMBUS = 0, I2C_ADAPTER_VGADDC, I2C_ADAPTER_PANEL, - I2C_ADAPTER_DESIGNWARE_0, - I2C_ADAPTER_DESIGNWARE_1, -}; - -enum i2c_peripheral_state { - UNPROBED = 0, - PROBED, - TIMEDOUT, + I2C_ADAPTER_DESIGNWARE, }; struct i2c_peripheral { - int (*add)(enum i2c_adapter_type type); - enum i2c_adapter_type type; - enum i2c_peripheral_state state; - int tries; -}; - -#define MAX_I2C_PERIPHERALS 4 + struct i2c_board_info board_info; + unsigned short alt_addr; -struct chromeos_laptop { - struct i2c_peripheral i2c_peripherals[MAX_I2C_PERIPHERALS]; -}; - -static struct chromeos_laptop *cros_laptop; - -static struct i2c_board_info cyapa_device = { - I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), - .flags = I2C_CLIENT_WAKE, -}; + const char *dmi_name; + unsigned long irqflags; + struct resource irq_resource; -static struct i2c_board_info elantech_device = { - I2C_BOARD_INFO("elan_i2c", ELAN_TP_I2C_ADDR), - .flags = I2C_CLIENT_WAKE, -}; - -static struct i2c_board_info isl_als_device = { - I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR), -}; - -static struct i2c_board_info tsl2583_als_device = { - I2C_BOARD_INFO("tsl2583", TAOS_ALS_I2C_ADDR), -}; - -static struct i2c_board_info tsl2563_als_device = { - I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR), -}; - -static int mxt_t19_keys[] = { - KEY_RESERVED, - KEY_RESERVED, - KEY_RESERVED, - KEY_RESERVED, - KEY_RESERVED, - BTN_LEFT -}; - -static struct mxt_platform_data atmel_224s_tp_platform_data = { - .irqflags = IRQF_TRIGGER_FALLING, - .t19_num_keys = ARRAY_SIZE(mxt_t19_keys), - .t19_keymap = mxt_t19_keys, - .suspend_mode = MXT_SUSPEND_T9_CTRL, -}; + enum i2c_adapter_type type; + u32 pci_devid; -static struct i2c_board_info atmel_224s_tp_device = { - I2C_BOARD_INFO("atmel_mxt_tp", ATMEL_TP_I2C_ADDR), - .platform_data = &atmel_224s_tp_platform_data, - .flags = I2C_CLIENT_WAKE, + struct i2c_client *client; }; -static struct mxt_platform_data atmel_1664s_platform_data = { - .irqflags = IRQF_TRIGGER_FALLING, - .suspend_mode = MXT_SUSPEND_T9_CTRL, +struct chromeos_laptop { + /* + * Note that we can't mark this pointer as const because + * i2c_new_probed_device() changes passed in I2C board info, so. + */ + struct i2c_peripheral *i2c_peripherals; + unsigned int num_i2c_peripherals; }; -static struct i2c_board_info atmel_1664s_device = { - I2C_BOARD_INFO("atmel_mxt_ts", ATMEL_TS_I2C_ADDR), - .platform_data = &atmel_1664s_platform_data, - .flags = I2C_CLIENT_WAKE, -}; +static const struct chromeos_laptop *cros_laptop; -static struct i2c_client *__add_probed_i2c_device( - const char *name, - int bus, - struct i2c_board_info *info, - const unsigned short *alt_addr_list) +static struct i2c_client * +chromes_laptop_instantiate_i2c_device(struct i2c_adapter *adapter, + struct i2c_board_info *info, + unsigned short alt_addr) { - const struct dmi_device *dmi_dev; - const struct dmi_dev_onboard *dev_data; - struct i2c_adapter *adapter; - struct i2c_client *client = NULL; const unsigned short addr_list[] = { info->addr, I2C_CLIENT_END }; - - if (bus < 0) - return NULL; - /* - * If a name is specified, look for irq platform information stashed - * in DMI_DEV_TYPE_DEV_ONBOARD by the Chrome OS custom system firmware. - */ - if (name) { - dmi_dev = dmi_find_device(DMI_DEV_TYPE_DEV_ONBOARD, name, NULL); - if (!dmi_dev) { - pr_err("%s failed to dmi find device %s.\n", - __func__, - name); - return NULL; - } - dev_data = (struct dmi_dev_onboard *)dmi_dev->device_data; - if (!dev_data) { - pr_err("%s failed to get data from dmi for %s.\n", - __func__, name); - return NULL; - } - info->irq = dev_data->instance; - } - - adapter = i2c_get_adapter(bus); - if (!adapter) { - pr_err("%s failed to get i2c adapter %d.\n", __func__, bus); - return NULL; - } + struct i2c_client *client; /* * Add the i2c device. If we can't detect it at the primary @@ -184,339 +79,345 @@ static struct i2c_client *__add_probed_i2c_device( * structure gets assigned primary address. */ client = i2c_new_probed_device(adapter, info, addr_list, NULL); - if (!client && alt_addr_list) { + if (!client && alt_addr) { struct i2c_board_info dummy_info = { I2C_BOARD_INFO("dummy", info->addr), }; + const unsigned short alt_addr_list[] = { + alt_addr, I2C_CLIENT_END + }; struct i2c_client *dummy; dummy = i2c_new_probed_device(adapter, &dummy_info, alt_addr_list, NULL); if (dummy) { - pr_debug("%s %d-%02x is probed at %02x\n", - __func__, bus, info->addr, dummy->addr); + pr_debug("%d-%02x is probed at %02x\n", + adapter->nr, info->addr, dummy->addr); i2c_unregister_device(dummy); client = i2c_new_device(adapter, info); } } if (!client) - pr_notice("%s failed to register device %d-%02x\n", - __func__, bus, info->addr); + pr_debug("failed to register device %d-%02x\n", + adapter->nr, info->addr); else - pr_debug("%s added i2c device %d-%02x\n", - __func__, bus, info->addr); + pr_debug("added i2c device %d-%02x\n", + adapter->nr, info->addr); - i2c_put_adapter(adapter); return client; } -struct i2c_lookup { - const char *name; - int instance; - int n; -}; - -static int __find_i2c_adap(struct device *dev, void *data) -{ - struct i2c_lookup *lookup = data; - static const char *prefix = "i2c-"; - struct i2c_adapter *adapter; - - if (strncmp(dev_name(dev), prefix, strlen(prefix)) != 0) - return 0; - adapter = to_i2c_adapter(dev); - if (strncmp(adapter->name, lookup->name, strlen(lookup->name)) == 0 && - lookup->n++ == lookup->instance) - return 1; - return 0; -} - -static int find_i2c_adapter_num(enum i2c_adapter_type type) -{ - struct device *dev = NULL; - struct i2c_adapter *adapter; - struct i2c_lookup lookup; - - memset(&lookup, 0, sizeof(lookup)); - lookup.name = i2c_adapter_names[type]; - lookup.instance = (type == I2C_ADAPTER_DESIGNWARE_1) ? 1 : 0; - - /* find the adapter by name */ - dev = bus_find_device(&i2c_bus_type, NULL, &lookup, __find_i2c_adap); - if (!dev) { - /* Adapters may appear later. Deferred probing will retry */ - pr_notice("%s: i2c adapter %s not found on system.\n", __func__, - lookup.name); - return -ENODEV; - } - adapter = to_i2c_adapter(dev); - return adapter->nr; -} - -/* - * Takes a list of addresses in addrs as such : - * { addr1, ... , addrn, I2C_CLIENT_END }; - * add_probed_i2c_device will use i2c_new_probed_device - * and probe for devices at all of the addresses listed. - * Returns NULL if no devices found. - * See Documentation/i2c/instantiating-devices for more information. - */ -static struct i2c_client *add_probed_i2c_device( - const char *name, - enum i2c_adapter_type type, - struct i2c_board_info *info, - const unsigned short *addrs) +static bool chromeos_laptop_match_adapter_devid(struct device *dev, u32 devid) { - return __add_probed_i2c_device(name, - find_i2c_adapter_num(type), - info, - addrs); -} + struct pci_dev *pdev; -/* - * Probes for a device at a single address, the one provided by - * info->addr. - * Returns NULL if no device found. - */ -static struct i2c_client *add_i2c_device(const char *name, - enum i2c_adapter_type type, - struct i2c_board_info *info) -{ - return __add_probed_i2c_device(name, - find_i2c_adapter_num(type), - info, - NULL); -} - -static int setup_cyapa_tp(enum i2c_adapter_type type) -{ - if (tp) - return 0; + if (!dev_is_pci(dev)) + return false; - /* add cyapa touchpad */ - tp = add_i2c_device("trackpad", type, &cyapa_device); - return (!tp) ? -EAGAIN : 0; + pdev = to_pci_dev(dev); + return devid == PCI_DEVID(pdev->bus->number, pdev->devfn); } -static int setup_atmel_224s_tp(enum i2c_adapter_type type) +static void chromeos_laptop_check_adapter(struct i2c_adapter *adapter) { - const unsigned short addr_list[] = { ATMEL_TP_I2C_BL_ADDR, - I2C_CLIENT_END }; - if (tp) - return 0; - - /* add atmel mxt touchpad */ - tp = add_probed_i2c_device("trackpad", type, - &atmel_224s_tp_device, addr_list); - return (!tp) ? -EAGAIN : 0; -} + struct i2c_peripheral *i2c_dev; + int i; -static int setup_elantech_tp(enum i2c_adapter_type type) -{ - if (tp) - return 0; + for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { + i2c_dev = &cros_laptop->i2c_peripherals[i]; - /* add elantech touchpad */ - tp = add_i2c_device("trackpad", type, &elantech_device); - return (!tp) ? -EAGAIN : 0; -} + /* Skip devices already created */ + if (i2c_dev->client) + continue; -static int setup_atmel_1664s_ts(enum i2c_adapter_type type) -{ - const unsigned short addr_list[] = { ATMEL_TS_I2C_BL_ADDR, - I2C_CLIENT_END }; - if (ts) - return 0; - - /* add atmel mxt touch device */ - ts = add_probed_i2c_device("touchscreen", type, - &atmel_1664s_device, addr_list); - return (!ts) ? -EAGAIN : 0; -} + if (strncmp(adapter->name, i2c_adapter_names[i2c_dev->type], + strlen(i2c_adapter_names[i2c_dev->type]))) + continue; -static int setup_isl29018_als(enum i2c_adapter_type type) -{ - if (als) - return 0; + if (i2c_dev->pci_devid && + !chromeos_laptop_match_adapter_devid(adapter->dev.parent, + i2c_dev->pci_devid)) { + continue; + } - /* add isl29018 light sensor */ - als = add_i2c_device("lightsensor", type, &isl_als_device); - return (!als) ? -EAGAIN : 0; + i2c_dev->client = + chromes_laptop_instantiate_i2c_device(adapter, + &i2c_dev->board_info, + i2c_dev->alt_addr); + } } -static int setup_tsl2583_als(enum i2c_adapter_type type) +static void chromeos_laptop_detach_i2c_client(struct i2c_client *client) { - if (als) - return 0; - - /* add tsl2583 light sensor */ - als = add_i2c_device(NULL, type, &tsl2583_als_device); - return (!als) ? -EAGAIN : 0; -} + struct i2c_peripheral *i2c_dev; + int i; -static int setup_tsl2563_als(enum i2c_adapter_type type) -{ - if (als) - return 0; + for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { + i2c_dev = &cros_laptop->i2c_peripherals[i]; - /* add tsl2563 light sensor */ - als = add_i2c_device(NULL, type, &tsl2563_als_device); - return (!als) ? -EAGAIN : 0; + if (i2c_dev->client == client) + i2c_dev->client = NULL; + } } -static int __init chromeos_laptop_dmi_matched(const struct dmi_system_id *id) +static int chromeos_laptop_i2c_notifier_call(struct notifier_block *nb, + unsigned long action, void *data) { - cros_laptop = (void *)id->driver_data; - pr_debug("DMI Matched %s.\n", id->ident); + struct device *dev = data; + + switch (action) { + case BUS_NOTIFY_ADD_DEVICE: + if (dev->type == &i2c_adapter_type) + chromeos_laptop_check_adapter(to_i2c_adapter(dev)); + break; + + case BUS_NOTIFY_REMOVED_DEVICE: + if (dev->type == &i2c_client_type) + chromeos_laptop_detach_i2c_client(to_i2c_client(dev)); + break; + } - /* Indicate to dmi_scan that processing is done. */ - return 1; + return 0; } -static int chromeos_laptop_probe(struct platform_device *pdev) -{ - int i; - int ret = 0; - - for (i = 0; i < MAX_I2C_PERIPHERALS; i++) { - struct i2c_peripheral *i2c_dev; - - i2c_dev = &cros_laptop->i2c_peripherals[i]; - - /* No more peripherals. */ - if (i2c_dev->add == NULL) - break; - - if (i2c_dev->state == TIMEDOUT || i2c_dev->state == PROBED) - continue; - - /* - * Check that the i2c adapter is present. - * -EPROBE_DEFER if missing as the adapter may appear much - * later. - */ - if (find_i2c_adapter_num(i2c_dev->type) == -ENODEV) { - ret = -EPROBE_DEFER; - continue; - } - - /* Add the device. */ - if (i2c_dev->add(i2c_dev->type) == -EAGAIN) { - /* - * Set -EPROBE_DEFER a limited num of times - * if device is not successfully added. - */ - if (++i2c_dev->tries < MAX_I2C_DEVICE_DEFERRALS) { - ret = -EPROBE_DEFER; - } else { - /* Ran out of tries. */ - pr_notice("%s: Ran out of tries for device.\n", - __func__); - i2c_dev->state = TIMEDOUT; - } - } else { - i2c_dev->state = PROBED; - } - } +static struct notifier_block chromeos_laptop_i2c_notifier = { + .notifier_call = chromeos_laptop_i2c_notifier_call, +}; - return ret; +#define DECLARE_CROS_LAPTOP(_name) \ +static const struct chromeos_laptop _name __initconst = { \ + .i2c_peripherals = _name##_peripherals, \ + .num_i2c_peripherals = ARRAY_SIZE(_name##_peripherals), \ } -static struct chromeos_laptop samsung_series_5_550 = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, - /* Light Sensor. */ - { .add = setup_isl29018_als, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral samsung_series_5_550_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_SMBUS, + }, + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR), + }, + .dmi_name = "lightsensor", + .type = I2C_ADAPTER_SMBUS, }, }; +DECLARE_CROS_LAPTOP(samsung_series_5_550); -static struct chromeos_laptop samsung_series_5 = { - .i2c_peripherals = { - /* Light Sensor. */ - { .add = setup_tsl2583_als, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral samsung_series_5_peripherals[] __initdata = { + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("tsl2583", TAOS_ALS_I2C_ADDR), + }, + .type = I2C_ADAPTER_SMBUS, }, }; +DECLARE_CROS_LAPTOP(samsung_series_5); -static struct chromeos_laptop chromebook_pixel = { - .i2c_peripherals = { - /* Touch Screen. */ - { .add = setup_atmel_1664s_ts, I2C_ADAPTER_PANEL }, - /* Touchpad. */ - { .add = setup_atmel_224s_tp, I2C_ADAPTER_VGADDC }, - /* Light Sensor. */ - { .add = setup_isl29018_als, I2C_ADAPTER_PANEL }, - }, +static const int chromebook_pixel_tp_keys[] __initconst = { + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + KEY_RESERVED, + BTN_LEFT }; -static struct chromeos_laptop hp_chromebook_14 = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, +static const struct property_entry +chromebook_pixel_trackpad_props[] __initconst = { + PROPERTY_ENTRY_U32_ARRAY("linux,gpio-keymap", chromebook_pixel_tp_keys), + { } +}; + +static struct i2c_peripheral chromebook_pixel_peripherals[] __initdata = { + /* Touch Screen. */ + { + .board_info = { + I2C_BOARD_INFO("atmel_mxt_ts", + ATMEL_TS_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "touchscreen", + .irqflags = IRQF_TRIGGER_FALLING, + .type = I2C_ADAPTER_PANEL, + .alt_addr = ATMEL_TS_I2C_BL_ADDR, + }, + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("atmel_mxt_tp", + ATMEL_TP_I2C_ADDR), + .properties = + chromebook_pixel_trackpad_props, + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .irqflags = IRQF_TRIGGER_FALLING, + .type = I2C_ADAPTER_VGADDC, + .alt_addr = ATMEL_TP_I2C_BL_ADDR, + }, + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR), + }, + .dmi_name = "lightsensor", + .type = I2C_ADAPTER_PANEL, }, }; +DECLARE_CROS_LAPTOP(chromebook_pixel); -static struct chromeos_laptop dell_chromebook_11 = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, - /* Elan Touchpad option. */ - { .add = setup_elantech_tp, I2C_ADAPTER_DESIGNWARE_0 }, +static struct i2c_peripheral hp_chromebook_14_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, }, }; +DECLARE_CROS_LAPTOP(hp_chromebook_14); -static struct chromeos_laptop toshiba_cb35 = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, +static struct i2c_peripheral dell_chromebook_11_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, + }, + /* Elan Touchpad option. */ + { + .board_info = { + I2C_BOARD_INFO("elan_i2c", ELAN_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, }, }; +DECLARE_CROS_LAPTOP(dell_chromebook_11); -static struct chromeos_laptop acer_c7_chromebook = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral toshiba_cb35_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, }, }; +DECLARE_CROS_LAPTOP(toshiba_cb35); -static struct chromeos_laptop acer_ac700 = { - .i2c_peripherals = { - /* Light Sensor. */ - { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral acer_c7_chromebook_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_SMBUS, }, }; +DECLARE_CROS_LAPTOP(acer_c7_chromebook); -static struct chromeos_laptop acer_c720 = { - .i2c_peripherals = { - /* Touchscreen. */ - { .add = setup_atmel_1664s_ts, I2C_ADAPTER_DESIGNWARE_1 }, - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 }, - /* Elan Touchpad option. */ - { .add = setup_elantech_tp, I2C_ADAPTER_DESIGNWARE_0 }, - /* Light Sensor. */ - { .add = setup_isl29018_als, I2C_ADAPTER_DESIGNWARE_1 }, +static struct i2c_peripheral acer_ac700_peripherals[] __initdata = { + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("tsl2583", TAOS_ALS_I2C_ADDR), + }, + .type = I2C_ADAPTER_SMBUS, }, }; +DECLARE_CROS_LAPTOP(acer_ac700); -static struct chromeos_laptop hp_pavilion_14_chromebook = { - .i2c_peripherals = { - /* Touchpad. */ - { .add = setup_cyapa_tp, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral acer_c720_peripherals[] __initdata = { + /* Touchscreen. */ + { + .board_info = { + I2C_BOARD_INFO("atmel_mxt_ts", + ATMEL_TS_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "touchscreen", + .irqflags = IRQF_TRIGGER_FALLING, + .type = I2C_ADAPTER_DESIGNWARE, + .pci_devid = PCI_DEVID(0, PCI_DEVFN(0x15, 0x2)), + .alt_addr = ATMEL_TS_I2C_BL_ADDR, + }, + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, + .pci_devid = PCI_DEVID(0, PCI_DEVFN(0x15, 0x1)), + }, + /* Elan Touchpad option. */ + { + .board_info = { + I2C_BOARD_INFO("elan_i2c", ELAN_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_DESIGNWARE, + .pci_devid = PCI_DEVID(0, PCI_DEVFN(0x15, 0x1)), + }, + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("isl29018", ISL_ALS_I2C_ADDR), + }, + .dmi_name = "lightsensor", + .type = I2C_ADAPTER_DESIGNWARE, + .pci_devid = PCI_DEVID(0, PCI_DEVFN(0x15, 0x2)), }, }; +DECLARE_CROS_LAPTOP(acer_c720); -static struct chromeos_laptop cr48 = { - .i2c_peripherals = { - /* Light Sensor. */ - { .add = setup_tsl2563_als, I2C_ADAPTER_SMBUS }, +static struct i2c_peripheral +hp_pavilion_14_chromebook_peripherals[] __initdata = { + /* Touchpad. */ + { + .board_info = { + I2C_BOARD_INFO("cyapa", CYAPA_TP_I2C_ADDR), + .flags = I2C_CLIENT_WAKE, + }, + .dmi_name = "trackpad", + .type = I2C_ADAPTER_SMBUS, }, }; +DECLARE_CROS_LAPTOP(hp_pavilion_14_chromebook); -#define _CBDD(board_) \ - .callback = chromeos_laptop_dmi_matched, \ - .driver_data = (void *)&board_ +static struct i2c_peripheral cr48_peripherals[] __initdata = { + /* Light Sensor. */ + { + .board_info = { + I2C_BOARD_INFO("tsl2563", TAOS_ALS_I2C_ADDR), + }, + .type = I2C_ADAPTER_SMBUS, + }, +}; +DECLARE_CROS_LAPTOP(cr48); static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { { @@ -525,14 +426,14 @@ static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG"), DMI_MATCH(DMI_PRODUCT_NAME, "Lumpy"), }, - _CBDD(samsung_series_5_550), + .driver_data = (void *)&samsung_series_5_550, }, { .ident = "Samsung Series 5", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Alex"), }, - _CBDD(samsung_series_5), + .driver_data = (void *)&samsung_series_5, }, { .ident = "Chromebook Pixel", @@ -540,7 +441,7 @@ static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), DMI_MATCH(DMI_PRODUCT_NAME, "Link"), }, - _CBDD(chromebook_pixel), + .driver_data = (void *)&chromebook_pixel, }, { .ident = "Wolf", @@ -548,7 +449,7 @@ static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), DMI_MATCH(DMI_PRODUCT_NAME, "Wolf"), }, - _CBDD(dell_chromebook_11), + .driver_data = (void *)&dell_chromebook_11, }, { .ident = "HP Chromebook 14", @@ -556,7 +457,7 @@ static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), DMI_MATCH(DMI_PRODUCT_NAME, "Falco"), }, - _CBDD(hp_chromebook_14), + .driver_data = (void *)&hp_chromebook_14, }, { .ident = "Toshiba CB35", @@ -564,99 +465,214 @@ static const struct dmi_system_id chromeos_laptop_dmi_table[] __initconst = { DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), DMI_MATCH(DMI_PRODUCT_NAME, "Leon"), }, - _CBDD(toshiba_cb35), + .driver_data = (void *)&toshiba_cb35, }, { .ident = "Acer C7 Chromebook", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Parrot"), }, - _CBDD(acer_c7_chromebook), + .driver_data = (void *)&acer_c7_chromebook, }, { .ident = "Acer AC700", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "ZGB"), }, - _CBDD(acer_ac700), + .driver_data = (void *)&acer_ac700, }, { .ident = "Acer C720", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Peppy"), }, - _CBDD(acer_c720), + .driver_data = (void *)&acer_c720, }, { .ident = "HP Pavilion 14 Chromebook", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Butterfly"), }, - _CBDD(hp_pavilion_14_chromebook), + .driver_data = (void *)&hp_pavilion_14_chromebook, }, { .ident = "Cr-48", .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Mario"), }, - _CBDD(cr48), + .driver_data = (void *)&cr48, }, { } }; MODULE_DEVICE_TABLE(dmi, chromeos_laptop_dmi_table); -static struct platform_device *cros_platform_device; +static int __init chromeos_laptop_scan_adapter(struct device *dev, void *data) +{ + struct i2c_adapter *adapter; -static struct platform_driver cros_platform_driver = { - .driver = { - .name = "chromeos_laptop", - }, - .probe = chromeos_laptop_probe, -}; + adapter = i2c_verify_adapter(dev); + if (adapter) + chromeos_laptop_check_adapter(adapter); + + return 0; +} + +static int __init chromeos_laptop_get_irq_from_dmi(const char *dmi_name) +{ + const struct dmi_device *dmi_dev; + const struct dmi_dev_onboard *dev_data; + + dmi_dev = dmi_find_device(DMI_DEV_TYPE_DEV_ONBOARD, dmi_name, NULL); + if (!dmi_dev) { + pr_err("failed to find DMI device '%s'\n", dmi_name); + return -ENOENT; + } + + dev_data = dmi_dev->device_data; + if (!dev_data) { + pr_err("failed to get data from DMI for '%s'\n", dmi_name); + return -EINVAL; + } + + return dev_data->instance; +} + +static int __init chromeos_laptop_setup_irq(struct i2c_peripheral *i2c_dev) +{ + int irq; + + if (i2c_dev->dmi_name) { + irq = chromeos_laptop_get_irq_from_dmi(i2c_dev->dmi_name); + if (irq < 0) + return irq; + + i2c_dev->irq_resource = (struct resource) + DEFINE_RES_NAMED(irq, 1, NULL, + IORESOURCE_IRQ | i2c_dev->irqflags); + i2c_dev->board_info.resources = &i2c_dev->irq_resource; + i2c_dev->board_info.num_resources = 1; + } + + return 0; +} + +static struct chromeos_laptop * __init +chromeos_laptop_prepare(const struct chromeos_laptop *src) +{ + struct chromeos_laptop *cros_laptop; + struct i2c_peripheral *i2c_dev; + struct i2c_board_info *info; + int error; + int i; + + cros_laptop = kzalloc(sizeof(*cros_laptop), GFP_KERNEL); + if (!cros_laptop) + return ERR_PTR(-ENOMEM); + + cros_laptop->i2c_peripherals = kmemdup(src->i2c_peripherals, + src->num_i2c_peripherals * + sizeof(*src->i2c_peripherals), + GFP_KERNEL); + if (!cros_laptop->i2c_peripherals) { + error = -ENOMEM; + goto err_free_cros_laptop; + } + + cros_laptop->num_i2c_peripherals = src->num_i2c_peripherals; + + for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { + i2c_dev = &cros_laptop->i2c_peripherals[i]; + info = &i2c_dev->board_info; + + error = chromeos_laptop_setup_irq(i2c_dev); + if (error) + goto err_destroy_cros_peripherals; + + /* We need to deep-copy properties */ + if (info->properties) { + info->properties = + property_entries_dup(info->properties); + if (IS_ERR(info->properties)) { + error = PTR_ERR(info->properties); + goto err_destroy_cros_peripherals; + } + } + } + + return cros_laptop; + +err_destroy_cros_peripherals: + while (--i >= 0) { + i2c_dev = &cros_laptop->i2c_peripherals[i]; + info = &i2c_dev->board_info; + if (info->properties) + property_entries_free(info->properties); + } + kfree(cros_laptop->i2c_peripherals); +err_free_cros_laptop: + kfree(cros_laptop); + return ERR_PTR(error); +} + +static void chromeos_laptop_destroy(const struct chromeos_laptop *cros_laptop) +{ + struct i2c_peripheral *i2c_dev; + struct i2c_board_info *info; + int i; + + for (i = 0; i < cros_laptop->num_i2c_peripherals; i++) { + i2c_dev = &cros_laptop->i2c_peripherals[i]; + info = &i2c_dev->board_info; + + if (i2c_dev->client) + i2c_unregister_device(i2c_dev->client); + + if (info->properties) + property_entries_free(info->properties); + } + + kfree(cros_laptop->i2c_peripherals); + kfree(cros_laptop); +} static int __init chromeos_laptop_init(void) { - int ret; + const struct dmi_system_id *dmi_id; + int error; - if (!dmi_check_system(chromeos_laptop_dmi_table)) { - pr_debug("%s unsupported system.\n", __func__); + dmi_id = dmi_first_match(chromeos_laptop_dmi_table); + if (!dmi_id) { + pr_debug("unsupported system\n"); return -ENODEV; } - ret = platform_driver_register(&cros_platform_driver); - if (ret) - return ret; + pr_debug("DMI Matched %s\n", dmi_id->ident); + + cros_laptop = chromeos_laptop_prepare((void *)dmi_id->driver_data); + if (IS_ERR(cros_laptop)) + return PTR_ERR(cros_laptop); - cros_platform_device = platform_device_alloc("chromeos_laptop", -1); - if (!cros_platform_device) { - ret = -ENOMEM; - goto fail_platform_device1; + error = bus_register_notifier(&i2c_bus_type, + &chromeos_laptop_i2c_notifier); + if (error) { + pr_err("failed to register i2c bus notifier: %d\n", error); + chromeos_laptop_destroy(cros_laptop); + return error; } - ret = platform_device_add(cros_platform_device); - if (ret) - goto fail_platform_device2; + /* + * Scan adapters that have been registered before we installed + * the notifier to make sure we do not miss any devices. + */ + i2c_for_each_dev(NULL, chromeos_laptop_scan_adapter); return 0; - -fail_platform_device2: - platform_device_put(cros_platform_device); -fail_platform_device1: - platform_driver_unregister(&cros_platform_driver); - return ret; } static void __exit chromeos_laptop_exit(void) { - if (als) - i2c_unregister_device(als); - if (tp) - i2c_unregister_device(tp); - if (ts) - i2c_unregister_device(ts); - - platform_device_unregister(cros_platform_device); - platform_driver_unregister(&cros_platform_driver); + bus_unregister_notifier(&i2c_bus_type, &chromeos_laptop_i2c_notifier); + chromeos_laptop_destroy(cros_laptop); } module_init(chromeos_laptop_init); diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 0e88e18362c1..cc265ed8deb7 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -211,6 +211,58 @@ static int cros_ec_console_log_release(struct inode *inode, struct file *file) return 0; } +static ssize_t cros_ec_pdinfo_read(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + char read_buf[EC_USB_PD_MAX_PORTS * 40], *p = read_buf; + struct cros_ec_debugfs *debug_info = file->private_data; + struct cros_ec_device *ec_dev = debug_info->ec->ec_dev; + struct { + struct cros_ec_command msg; + union { + struct ec_response_usb_pd_control_v1 resp; + struct ec_params_usb_pd_control params; + }; + } __packed ec_buf; + struct cros_ec_command *msg; + struct ec_response_usb_pd_control_v1 *resp; + struct ec_params_usb_pd_control *params; + int i; + + msg = &ec_buf.msg; + params = (struct ec_params_usb_pd_control *)msg->data; + resp = (struct ec_response_usb_pd_control_v1 *)msg->data; + + msg->command = EC_CMD_USB_PD_CONTROL; + msg->version = 1; + msg->insize = sizeof(*resp); + msg->outsize = sizeof(*params); + + /* + * Read status from all PD ports until failure, typically caused + * by attempting to read status on a port that doesn't exist. + */ + for (i = 0; i < EC_USB_PD_MAX_PORTS; ++i) { + params->port = i; + params->role = 0; + params->mux = 0; + params->swap = 0; + + if (cros_ec_cmd_xfer_status(ec_dev, msg) < 0) + break; + + p += scnprintf(p, sizeof(read_buf) + read_buf - p, + "p%d: %s en:%.2x role:%.2x pol:%.2x\n", i, + resp->state, resp->enabled, resp->role, + resp->polarity); + } + + return simple_read_from_buffer(user_buf, count, ppos, + read_buf, p - read_buf); +} + const struct file_operations cros_ec_console_log_fops = { .owner = THIS_MODULE, .open = cros_ec_console_log_open, @@ -220,6 +272,13 @@ const struct file_operations cros_ec_console_log_fops = { .release = cros_ec_console_log_release, }; +const struct file_operations cros_ec_pdinfo_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = cros_ec_pdinfo_read, + .llseek = default_llseek, +}; + static int ec_read_version_supported(struct cros_ec_dev *ec) { struct ec_params_get_cmd_versions_v1 *params; @@ -288,7 +347,7 @@ static int cros_ec_create_console_log(struct cros_ec_debugfs *debug_info) init_waitqueue_head(&debug_info->log_wq); if (!debugfs_create_file("console_log", - S_IFREG | S_IRUGO, + S_IFREG | 0444, debug_info->dir, debug_info, &cros_ec_console_log_fops)) @@ -341,7 +400,7 @@ static int cros_ec_create_panicinfo(struct cros_ec_debugfs *debug_info) debug_info->panicinfo_blob.size = ret; if (!debugfs_create_blob("panicinfo", - S_IFREG | S_IRUGO, + S_IFREG | 0444, debug_info->dir, &debug_info->panicinfo_blob)) { ret = -ENOMEM; @@ -355,6 +414,15 @@ free: return ret; } +static int cros_ec_create_pdinfo(struct cros_ec_debugfs *debug_info) +{ + if (!debugfs_create_file("pdinfo", 0444, debug_info->dir, debug_info, + &cros_ec_pdinfo_fops)) + return -ENOMEM; + + return 0; +} + int cros_ec_debugfs_init(struct cros_ec_dev *ec) { struct cros_ec_platform *ec_platform = dev_get_platdata(ec->dev); @@ -379,6 +447,10 @@ int cros_ec_debugfs_init(struct cros_ec_dev *ec) if (ret) goto remove_debugfs; + ret = cros_ec_create_pdinfo(debug_info); + if (ret) + goto remove_debugfs; + ec->debug_info = debug_info; return 0; diff --git a/drivers/platform/chrome/cros_ec_lpc.c b/drivers/platform/chrome/cros_ec_lpc.c index af89e82eecd2..3682e1539251 100644 --- a/drivers/platform/chrome/cros_ec_lpc.c +++ b/drivers/platform/chrome/cros_ec_lpc.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/printk.h> +#include <linux/suspend.h> #define DRV_NAME "cros_ec_lpcs" #define ACPI_DRV_NAME "GOOG0004" @@ -235,6 +236,9 @@ static void cros_ec_lpc_acpi_notify(acpi_handle device, u32 value, void *data) cros_ec_get_next_event(ec_dev, NULL) > 0) blocking_notifier_call_chain(&ec_dev->event_notifier, 0, ec_dev); + + if (value == ACPI_NOTIFY_DEVICE_WAKE) + pm_system_wakeup(); } static int cros_ec_lpc_probe(struct platform_device *pdev) @@ -342,6 +346,18 @@ static const struct dmi_system_id cros_ec_lpc_dmi_table[] __initconst = { }, }, { + /* + * If the box is running custom coreboot firmware then the + * DMI BIOS version string will not be matched by "Google_", + * but the system vendor string will still be matched by + * "GOOGLE". + */ + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "coreboot"), + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + }, + }, + { /* x86-link, the Chromebook Pixel. */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c index da0a719d32f7..5a6db3fe213a 100644 --- a/drivers/platform/chrome/cros_ec_sysfs.c +++ b/drivers/platform/chrome/cros_ec_sysfs.c @@ -34,10 +34,12 @@ #include <linux/types.h> #include <linux/uaccess.h> +#define to_cros_ec_dev(dev) container_of(dev, struct cros_ec_dev, class_dev) + /* Accessor functions */ -static ssize_t show_ec_reboot(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t reboot_show(struct device *dev, + struct device_attribute *attr, char *buf) { int count = 0; @@ -48,9 +50,9 @@ static ssize_t show_ec_reboot(struct device *dev, return count; } -static ssize_t store_ec_reboot(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t reboot_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { static const struct { const char * const str; @@ -70,8 +72,7 @@ static ssize_t store_ec_reboot(struct device *dev, int got_cmd = 0, offset = 0; int i; int ret; - struct cros_ec_dev *ec = container_of(dev, - struct cros_ec_dev, class_dev); + struct cros_ec_dev *ec = to_cros_ec_dev(dev); msg = kmalloc(sizeof(*msg) + sizeof(*param), GFP_KERNEL); if (!msg) @@ -114,22 +115,16 @@ static ssize_t store_ec_reboot(struct device *dev, msg->command = EC_CMD_REBOOT_EC + ec->cmd_offset; msg->outsize = sizeof(*param); msg->insize = 0; - ret = cros_ec_cmd_xfer(ec->ec_dev, msg); - if (ret < 0) { + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); + if (ret < 0) count = ret; - goto exit; - } - if (msg->result != EC_RES_SUCCESS) { - dev_dbg(ec->dev, "EC result %d\n", msg->result); - count = -EINVAL; - } exit: kfree(msg); return count; } -static ssize_t show_ec_version(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t version_show(struct device *dev, + struct device_attribute *attr, char *buf) { static const char * const image_names[] = {"unknown", "RO", "RW"}; struct ec_response_get_version *r_ver; @@ -138,8 +133,7 @@ static ssize_t show_ec_version(struct device *dev, struct cros_ec_command *msg; int ret; int count = 0; - struct cros_ec_dev *ec = container_of(dev, - struct cros_ec_dev, class_dev); + struct cros_ec_dev *ec = to_cros_ec_dev(dev); msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL); if (!msg) @@ -150,17 +144,11 @@ static ssize_t show_ec_version(struct device *dev, msg->command = EC_CMD_GET_VERSION + ec->cmd_offset; msg->insize = sizeof(*r_ver); msg->outsize = 0; - ret = cros_ec_cmd_xfer(ec->ec_dev, msg); + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); if (ret < 0) { count = ret; goto exit; } - if (msg->result != EC_RES_SUCCESS) { - count = scnprintf(buf, PAGE_SIZE, - "ERROR: EC returned %d\n", msg->result); - goto exit; - } - r_ver = (struct ec_response_get_version *)msg->data; /* Strings should be null-terminated, but let's be sure. */ r_ver->version_string_ro[sizeof(r_ver->version_string_ro) - 1] = '\0'; @@ -237,14 +225,13 @@ exit: return count; } -static ssize_t show_ec_flashinfo(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t flashinfo_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct ec_response_flash_info *resp; struct cros_ec_command *msg; int ret; - struct cros_ec_dev *ec = container_of(dev, - struct cros_ec_dev, class_dev); + struct cros_ec_dev *ec = to_cros_ec_dev(dev); msg = kmalloc(sizeof(*msg) + sizeof(*resp), GFP_KERNEL); if (!msg) @@ -255,14 +242,9 @@ static ssize_t show_ec_flashinfo(struct device *dev, msg->command = EC_CMD_FLASH_INFO + ec->cmd_offset; msg->insize = sizeof(*resp); msg->outsize = 0; - ret = cros_ec_cmd_xfer(ec->ec_dev, msg); + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); if (ret < 0) goto exit; - if (msg->result != EC_RES_SUCCESS) { - ret = scnprintf(buf, PAGE_SIZE, - "ERROR: EC returned %d\n", msg->result); - goto exit; - } resp = (struct ec_response_flash_info *)msg->data; @@ -276,21 +258,102 @@ exit: return ret; } +/* Keyboard wake angle control */ +static ssize_t kb_wake_angle_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cros_ec_dev *ec = to_cros_ec_dev(dev); + struct ec_response_motion_sense *resp; + struct ec_params_motion_sense *param; + struct cros_ec_command *msg; + int ret; + + msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + param = (struct ec_params_motion_sense *)msg->data; + msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset; + msg->version = 2; + param->cmd = MOTIONSENSE_CMD_KB_WAKE_ANGLE; + param->kb_wake_angle.data = EC_MOTION_SENSE_NO_VALUE; + msg->outsize = sizeof(*param); + msg->insize = sizeof(*resp); + + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); + if (ret < 0) + goto exit; + + resp = (struct ec_response_motion_sense *)msg->data; + ret = scnprintf(buf, PAGE_SIZE, "%d\n", resp->kb_wake_angle.ret); +exit: + kfree(msg); + return ret; +} + +static ssize_t kb_wake_angle_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct cros_ec_dev *ec = to_cros_ec_dev(dev); + struct ec_params_motion_sense *param; + struct cros_ec_command *msg; + u16 angle; + int ret; + + ret = kstrtou16(buf, 0, &angle); + if (ret) + return ret; + + msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + param = (struct ec_params_motion_sense *)msg->data; + msg->command = EC_CMD_MOTION_SENSE_CMD + ec->cmd_offset; + msg->version = 2; + param->cmd = MOTIONSENSE_CMD_KB_WAKE_ANGLE; + param->kb_wake_angle.data = angle; + msg->outsize = sizeof(*param); + msg->insize = sizeof(struct ec_response_motion_sense); + + ret = cros_ec_cmd_xfer_status(ec->ec_dev, msg); + kfree(msg); + if (ret < 0) + return ret; + return count; +} + /* Module initialization */ -static DEVICE_ATTR(reboot, S_IWUSR | S_IRUGO, show_ec_reboot, store_ec_reboot); -static DEVICE_ATTR(version, S_IRUGO, show_ec_version, NULL); -static DEVICE_ATTR(flashinfo, S_IRUGO, show_ec_flashinfo, NULL); +static DEVICE_ATTR_RW(reboot); +static DEVICE_ATTR_RO(version); +static DEVICE_ATTR_RO(flashinfo); +static DEVICE_ATTR_RW(kb_wake_angle); static struct attribute *__ec_attrs[] = { + &dev_attr_kb_wake_angle.attr, &dev_attr_reboot.attr, &dev_attr_version.attr, &dev_attr_flashinfo.attr, NULL, }; +static umode_t cros_ec_ctrl_visible(struct kobject *kobj, + struct attribute *a, int n) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct cros_ec_dev *ec = to_cros_ec_dev(dev); + + if (a == &dev_attr_kb_wake_angle.attr && !ec->has_kb_wake_angle) + return 0; + + return a->mode; +} + struct attribute_group cros_ec_attr_group = { .attrs = __ec_attrs, + .is_visible = cros_ec_ctrl_visible, }; EXPORT_SYMBOL(cros_ec_attr_group); diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig index 38d49dbbf9b7..4635cb35008c 100644 --- a/drivers/pwm/Kconfig +++ b/drivers/pwm/Kconfig @@ -200,10 +200,10 @@ config PWM_IMX will be called pwm-imx. config PWM_JZ4740 - tristate "Ingenic JZ4740 PWM support" - depends on MACH_JZ4740 + tristate "Ingenic JZ47xx PWM support" + depends on MACH_INGENIC help - Generic PWM framework driver for Ingenic JZ4740 based + Generic PWM framework driver for Ingenic JZ47xx based machines. To compile this driver as a module, choose M here: the module diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c index acd3ce8ecf3f..4fb1be246c44 100644 --- a/drivers/pwm/pwm-atmel-tcb.c +++ b/drivers/pwm/pwm-atmel-tcb.c @@ -401,7 +401,6 @@ static int atmel_tcb_pwm_probe(struct platform_device *pdev) tcbpwm = devm_kzalloc(&pdev->dev, sizeof(*tcbpwm), GFP_KERNEL); if (tcbpwm == NULL) { err = -ENOMEM; - dev_err(&pdev->dev, "failed to allocate memory\n"); goto err_free_tc; } diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 2ba5c3a398ff..08cbe8120588 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -35,6 +35,7 @@ #define MX3_PWMSAR 0x0C /* PWM Sample Register */ #define MX3_PWMPR 0x10 /* PWM Period Register */ #define MX3_PWMCR_PRESCALER(x) ((((x) - 1) & 0xFFF) << 4) +#define MX3_PWMCR_STOPEN (1 << 25) #define MX3_PWMCR_DOZEEN (1 << 24) #define MX3_PWMCR_WAITEN (1 << 23) #define MX3_PWMCR_DBGEN (1 << 22) @@ -210,7 +211,7 @@ static int imx_pwm_apply_v2(struct pwm_chip *chip, struct pwm_device *pwm, writel(period_cycles, imx->mmio_base + MX3_PWMPR); cr = MX3_PWMCR_PRESCALER(prescale) | - MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | + MX3_PWMCR_STOPEN | MX3_PWMCR_DOZEEN | MX3_PWMCR_WAITEN | MX3_PWMCR_DBGEN | MX3_PWMCR_CLKSRC_IPG_HIGH | MX3_PWMCR_EN; diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c index a75ff3622450..a7b134af5e04 100644 --- a/drivers/pwm/pwm-jz4740.c +++ b/drivers/pwm/pwm-jz4740.c @@ -18,6 +18,7 @@ #include <linux/gpio.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pwm.h> @@ -71,9 +72,15 @@ static void jz4740_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) { uint32_t ctrl = jz4740_timer_get_ctrl(pwm->hwpwm); + /* Disable PWM output. + * In TCU2 mode (channel 1/2 on JZ4750+), this must be done before the + * counter is stopped, while in TCU1 mode the order does not matter. + */ ctrl &= ~JZ_TIMER_CTRL_PWM_ENABLE; - jz4740_timer_disable(pwm->hwpwm); jz4740_timer_set_ctrl(pwm->hwpwm, ctrl); + + /* Stop counter */ + jz4740_timer_disable(pwm->hwpwm); } static int jz4740_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, @@ -124,10 +131,29 @@ static int jz4740_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return 0; } +static int jz4740_pwm_set_polarity(struct pwm_chip *chip, + struct pwm_device *pwm, enum pwm_polarity polarity) +{ + uint32_t ctrl = jz4740_timer_get_ctrl(pwm->pwm); + + switch (polarity) { + case PWM_POLARITY_NORMAL: + ctrl &= ~JZ_TIMER_CTRL_PWM_ACTIVE_LOW; + break; + case PWM_POLARITY_INVERSED: + ctrl |= JZ_TIMER_CTRL_PWM_ACTIVE_LOW; + break; + } + + jz4740_timer_set_ctrl(pwm->hwpwm, ctrl); + return 0; +} + static const struct pwm_ops jz4740_pwm_ops = { .request = jz4740_pwm_request, .free = jz4740_pwm_free, .config = jz4740_pwm_config, + .set_polarity = jz4740_pwm_set_polarity, .enable = jz4740_pwm_enable, .disable = jz4740_pwm_disable, .owner = THIS_MODULE, @@ -149,6 +175,8 @@ static int jz4740_pwm_probe(struct platform_device *pdev) jz4740->chip.ops = &jz4740_pwm_ops; jz4740->chip.npwm = NUM_PWM; jz4740->chip.base = -1; + jz4740->chip.of_xlate = of_pwm_xlate_with_flags; + jz4740->chip.of_pwm_n_cells = 3; platform_set_drvdata(pdev, jz4740); @@ -162,9 +190,20 @@ static int jz4740_pwm_remove(struct platform_device *pdev) return pwmchip_remove(&jz4740->chip); } +#ifdef CONFIG_OF +static const struct of_device_id jz4740_pwm_dt_ids[] = { + { .compatible = "ingenic,jz4740-pwm", }, + { .compatible = "ingenic,jz4770-pwm", }, + { .compatible = "ingenic,jz4780-pwm", }, + {}, +}; +MODULE_DEVICE_TABLE(of, jz4740_pwm_dt_ids); +#endif + static struct platform_driver jz4740_pwm_driver = { .driver = { .name = "jz4740-pwm", + .of_match_table = of_match_ptr(jz4740_pwm_dt_ids), }, .probe = jz4740_pwm_probe, .remove = jz4740_pwm_remove, diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c index f5d97e0ad52b..328c124773b2 100644 --- a/drivers/pwm/pwm-mediatek.c +++ b/drivers/pwm/pwm-mediatek.c @@ -29,7 +29,9 @@ #define PWMGDUR 0x0c #define PWMWAVENUM 0x28 #define PWMDWIDTH 0x2c +#define PWM45DWIDTH_FIXUP 0x30 #define PWMTHRES 0x30 +#define PWM45THRES_FIXUP 0x34 #define PWM_CLK_DIV_MAX 7 @@ -54,6 +56,7 @@ static const char * const mtk_pwm_clk_name[MTK_CLK_MAX] = { struct mtk_pwm_platform_data { unsigned int num_pwms; + bool pwm45_fixup; }; /** @@ -66,6 +69,7 @@ struct mtk_pwm_chip { struct pwm_chip chip; void __iomem *regs; struct clk *clks[MTK_CLK_MAX]; + const struct mtk_pwm_platform_data *soc; }; static const unsigned int mtk_pwm_reg_offset[] = { @@ -131,18 +135,25 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, { struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); struct clk *clk = pc->clks[MTK_CLK_PWM1 + pwm->hwpwm]; - u32 resolution, clkdiv = 0; + u32 clkdiv = 0, cnt_period, cnt_duty, reg_width = PWMDWIDTH, + reg_thres = PWMTHRES; + u64 resolution; int ret; ret = mtk_pwm_clk_enable(chip, pwm); if (ret < 0) return ret; - resolution = NSEC_PER_SEC / clk_get_rate(clk); + /* Using resolution in picosecond gets accuracy higher */ + resolution = (u64)NSEC_PER_SEC * 1000; + do_div(resolution, clk_get_rate(clk)); - while (period_ns / resolution > 8191) { + cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, resolution); + while (cnt_period > 8191) { resolution *= 2; clkdiv++; + cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, + resolution); } if (clkdiv > PWM_CLK_DIV_MAX) { @@ -151,9 +162,19 @@ static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return -EINVAL; } + if (pc->soc->pwm45_fixup && pwm->hwpwm > 2) { + /* + * PWM[4,5] has distinct offset for PWMDWIDTH and PWMTHRES + * from the other PWMs on MT7623. + */ + reg_width = PWM45DWIDTH_FIXUP; + reg_thres = PWM45THRES_FIXUP; + } + + cnt_duty = DIV_ROUND_CLOSEST_ULL((u64)duty_ns * 1000, resolution); mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | clkdiv); - mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution); - mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution); + mtk_pwm_writel(pc, pwm->hwpwm, reg_width, cnt_period); + mtk_pwm_writel(pc, pwm->hwpwm, reg_thres, cnt_duty); mtk_pwm_clk_disable(chip, pwm); @@ -211,6 +232,7 @@ static int mtk_pwm_probe(struct platform_device *pdev) data = of_device_get_match_data(&pdev->dev); if (data == NULL) return -EINVAL; + pc->soc = data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pc->regs = devm_ioremap_resource(&pdev->dev, res); @@ -251,14 +273,17 @@ static int mtk_pwm_remove(struct platform_device *pdev) static const struct mtk_pwm_platform_data mt2712_pwm_data = { .num_pwms = 8, + .pwm45_fixup = false, }; static const struct mtk_pwm_platform_data mt7622_pwm_data = { .num_pwms = 6, + .pwm45_fixup = false, }; static const struct mtk_pwm_platform_data mt7623_pwm_data = { .num_pwms = 5, + .pwm45_fixup = true, }; static const struct of_device_id mtk_pwm_of_match[] = { @@ -280,5 +305,4 @@ static struct platform_driver mtk_pwm_driver = { module_platform_driver(mtk_pwm_driver); MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -MODULE_ALIAS("platform:mtk-pwm"); MODULE_LICENSE("GPL"); diff --git a/drivers/pwm/pwm-puv3.c b/drivers/pwm/pwm-puv3.c index ed6007b27585..754fd9a98f6b 100644 --- a/drivers/pwm/pwm-puv3.c +++ b/drivers/pwm/pwm-puv3.c @@ -107,10 +107,8 @@ static int pwm_probe(struct platform_device *pdev) int ret; puv3 = devm_kzalloc(&pdev->dev, sizeof(*puv3), GFP_KERNEL); - if (puv3 == NULL) { - dev_err(&pdev->dev, "failed to allocate memory\n"); + if (!puv3) return -ENOMEM; - } puv3->clk = devm_clk_get(&pdev->dev, "OST_CLK"); if (IS_ERR(puv3->clk)) diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c index 1c85ecc9e7ac..91d11f2e2fef 100644 --- a/drivers/pwm/pwm-rcar.c +++ b/drivers/pwm/pwm-rcar.c @@ -134,16 +134,12 @@ static int rcar_pwm_set_counter(struct rcar_pwm_chip *rp, int div, int duty_ns, static int rcar_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - return clk_prepare_enable(rp->clk); + return pm_runtime_get_sync(chip->dev); } static void rcar_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { - struct rcar_pwm_chip *rp = to_rcar_pwm_chip(chip); - - clk_disable_unprepare(rp->clk); + pm_runtime_put(chip->dev); } static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, @@ -156,8 +152,12 @@ static int rcar_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, if (div < 0) return div; - /* Let the core driver set pwm->period if disabled and duty_ns == 0 */ - if (!pwm_is_enabled(pwm) && !duty_ns) + /* + * Let the core driver set pwm->period if disabled and duty_ns == 0. + * But, this driver should prevent to set the new duty_ns if current + * duty_cycle is not set + */ + if (!pwm_is_enabled(pwm) && !duty_ns && !pwm->state.duty_cycle) return 0; rcar_pwm_update(rp, RCAR_PWMCR_SYNC, RCAR_PWMCR_SYNC, RCAR_PWMCR); @@ -258,11 +258,53 @@ static const struct of_device_id rcar_pwm_of_table[] = { }; MODULE_DEVICE_TABLE(of, rcar_pwm_of_table); +#ifdef CONFIG_PM_SLEEP +static struct pwm_device *rcar_pwm_dev_to_pwm_dev(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct rcar_pwm_chip *rcar_pwm = platform_get_drvdata(pdev); + struct pwm_chip *chip = &rcar_pwm->chip; + + return &chip->pwms[0]; +} + +static int rcar_pwm_suspend(struct device *dev) +{ + struct pwm_device *pwm = rcar_pwm_dev_to_pwm_dev(dev); + + if (!test_bit(PWMF_REQUESTED, &pwm->flags)) + return 0; + + pm_runtime_put(dev); + + return 0; +} + +static int rcar_pwm_resume(struct device *dev) +{ + struct pwm_device *pwm = rcar_pwm_dev_to_pwm_dev(dev); + + if (!test_bit(PWMF_REQUESTED, &pwm->flags)) + return 0; + + pm_runtime_get_sync(dev); + + rcar_pwm_config(pwm->chip, pwm, pwm->state.duty_cycle, + pwm->state.period); + if (pwm_is_enabled(pwm)) + rcar_pwm_enable(pwm->chip, pwm); + + return 0; +} +#endif /* CONFIG_PM_SLEEP */ +static SIMPLE_DEV_PM_OPS(rcar_pwm_pm_ops, rcar_pwm_suspend, rcar_pwm_resume); + static struct platform_driver rcar_pwm_driver = { .probe = rcar_pwm_probe, .remove = rcar_pwm_remove, .driver = { .name = "pwm-rcar", + .pm = &rcar_pwm_pm_ops, .of_match_table = of_match_ptr(rcar_pwm_of_table), } }; diff --git a/drivers/pwm/pwm-stm32-lp.c b/drivers/pwm/pwm-stm32-lp.c index 1ac9e4384142..7c13e2505080 100644 --- a/drivers/pwm/pwm-stm32-lp.c +++ b/drivers/pwm/pwm-stm32-lp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * STM32 Low-Power Timer PWM driver * @@ -5,8 +6,6 @@ * * Author: Gerald Baeza <gerald.baeza@st.com> * - * License terms: GNU General Public License (GPL), version 2 - * * Inspired by Gerald Baeza's pwm-stm32 driver */ @@ -203,6 +202,8 @@ static int stm32_pwm_lp_probe(struct platform_device *pdev) priv->chip.dev = &pdev->dev; priv->chip.ops = &stm32_pwm_lp_ops; priv->chip.npwm = 1; + priv->chip.of_xlate = of_pwm_xlate_with_flags; + priv->chip.of_pwm_n_cells = 3; ret = pwmchip_add(&priv->chip); if (ret < 0) diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c index 6139512aab7b..2708212933f7 100644 --- a/drivers/pwm/pwm-stm32.c +++ b/drivers/pwm/pwm-stm32.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) STMicroelectronics 2016 * * Author: Gerald Baeza <gerald.baeza@st.com> * - * License terms: GNU General Public License (GPL), version 2 - * * Inspired by timer-stm32.c from Maxime Coquelin * pwm-atmel.c from Bo Shen */ @@ -21,7 +20,7 @@ struct stm32_pwm { struct pwm_chip chip; - struct device *dev; + struct mutex lock; /* protect pwm config/enable */ struct clk *clk; struct regmap *regmap; u32 max_arr; @@ -214,9 +213,23 @@ static int stm32_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; } +static int stm32_pwm_apply_locked(struct pwm_chip *chip, struct pwm_device *pwm, + struct pwm_state *state) +{ + struct stm32_pwm *priv = to_stm32_pwm_dev(chip); + int ret; + + /* protect common prescaler for all active channels */ + mutex_lock(&priv->lock); + ret = stm32_pwm_apply(chip, pwm, state); + mutex_unlock(&priv->lock); + + return ret; +} + static const struct pwm_ops stm32pwm_ops = { .owner = THIS_MODULE, - .apply = stm32_pwm_apply, + .apply = stm32_pwm_apply_locked, }; static int stm32_pwm_set_breakinput(struct stm32_pwm *priv, @@ -336,6 +349,7 @@ static int stm32_pwm_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; + mutex_init(&priv->lock); priv->regmap = ddata->regmap; priv->clk = ddata->clk; priv->max_arr = ddata->max_arr; diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c index 334199c58f1d..470d4f71e7eb 100644 --- a/drivers/pwm/pwm-sun4i.c +++ b/drivers/pwm/pwm-sun4i.c @@ -73,7 +73,6 @@ static const u32 prescaler_table[] = { struct sun4i_pwm_data { bool has_prescaler_bypass; - bool has_rdy; unsigned int npwm; }; @@ -117,7 +116,8 @@ static void sun4i_pwm_get_state(struct pwm_chip *chip, val = sun4i_pwm_readl(sun4i_pwm, PWM_CTRL_REG); - if ((val == PWM_PRESCAL_MASK) && sun4i_pwm->data->has_prescaler_bypass) + if ((PWM_REG_PRESCAL(val, pwm->hwpwm) == PWM_PRESCAL_MASK) && + sun4i_pwm->data->has_prescaler_bypass) prescaler = 1; else prescaler = prescaler_table[PWM_REG_PRESCAL(val, pwm->hwpwm)]; @@ -130,7 +130,8 @@ static void sun4i_pwm_get_state(struct pwm_chip *chip, else state->polarity = PWM_POLARITY_INVERSED; - if (val & BIT_CH(PWM_CLK_GATING | PWM_EN, pwm->hwpwm)) + if ((val & BIT_CH(PWM_CLK_GATING | PWM_EN, pwm->hwpwm)) == + BIT_CH(PWM_CLK_GATING | PWM_EN, pwm->hwpwm)) state->enabled = true; else state->enabled = false; @@ -311,52 +312,37 @@ static const struct pwm_ops sun4i_pwm_ops = { .owner = THIS_MODULE, }; -static const struct sun4i_pwm_data sun4i_pwm_data_a10 = { +static const struct sun4i_pwm_data sun4i_pwm_dual_nobypass = { .has_prescaler_bypass = false, - .has_rdy = false, .npwm = 2, }; -static const struct sun4i_pwm_data sun4i_pwm_data_a10s = { +static const struct sun4i_pwm_data sun4i_pwm_dual_bypass = { .has_prescaler_bypass = true, - .has_rdy = true, .npwm = 2, }; -static const struct sun4i_pwm_data sun4i_pwm_data_a13 = { +static const struct sun4i_pwm_data sun4i_pwm_single_bypass = { .has_prescaler_bypass = true, - .has_rdy = true, - .npwm = 1, -}; - -static const struct sun4i_pwm_data sun4i_pwm_data_a20 = { - .has_prescaler_bypass = true, - .has_rdy = true, - .npwm = 2, -}; - -static const struct sun4i_pwm_data sun4i_pwm_data_h3 = { - .has_prescaler_bypass = true, - .has_rdy = true, .npwm = 1, }; static const struct of_device_id sun4i_pwm_dt_ids[] = { { .compatible = "allwinner,sun4i-a10-pwm", - .data = &sun4i_pwm_data_a10, + .data = &sun4i_pwm_dual_nobypass, }, { .compatible = "allwinner,sun5i-a10s-pwm", - .data = &sun4i_pwm_data_a10s, + .data = &sun4i_pwm_dual_bypass, }, { .compatible = "allwinner,sun5i-a13-pwm", - .data = &sun4i_pwm_data_a13, + .data = &sun4i_pwm_single_bypass, }, { .compatible = "allwinner,sun7i-a20-pwm", - .data = &sun4i_pwm_data_a20, + .data = &sun4i_pwm_dual_bypass, }, { .compatible = "allwinner,sun8i-h3-pwm", - .data = &sun4i_pwm_data_h3, + .data = &sun4i_pwm_single_bypass, }, { /* sentinel */ }, diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c index 83f2b0b15712..7c71cdb8a9d8 100644 --- a/drivers/pwm/sysfs.c +++ b/drivers/pwm/sysfs.c @@ -273,7 +273,8 @@ static int pwm_export_child(struct device *parent, struct pwm_device *pwm) ret = device_register(&export->child); if (ret) { clear_bit(PWMF_EXPORTED, &pwm->flags); - kfree(export); + put_device(&export->child); + export = NULL; return ret; } diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index f035c2f25d35..131f1989f6f3 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -27,7 +27,6 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/vtoc.h> -#include <asm/diag.h> #include "dasd_int.h" #include "dasd_diag.h" diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index 5f8d9ea69ebd..eceba3858cef 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -18,7 +18,7 @@ int sclp_init_state __section(.data) = sclp_init_state_uninitialized; * Used to keep track of the size of the event masks. Qemu until version 2.11 * only supports 4 and needs a workaround. */ -bool sclp_mask_compat_mode; +bool sclp_mask_compat_mode __section(.data); void sclp_early_wait_irq(void) { diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index bfec1485ca23..5535312602af 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -323,6 +323,9 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv, struct ccw_dev_id dev_id; int rc, i; + if (num_devices < 1) + return -EINVAL; + gdev = kzalloc(sizeof(*gdev) + num_devices * sizeof(gdev->cdev[0]), GFP_KERNEL); if (!gdev) @@ -375,7 +378,7 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv, goto error; } /* Check if the devices are bound to the required ccw driver. */ - if (gdev->count && gdrv && gdrv->ccw_driver && + if (gdrv && gdrv->ccw_driver && gdev->cdev[0]->drv != gdrv->ccw_driver) { rc = -EINVAL; goto error; diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 6886b3d34cf8..5130d7c67239 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -25,7 +25,6 @@ #include <asm/irq.h> #include <asm/irq_regs.h> #include <asm/setup.h> -#include <asm/reset.h> #include <asm/ipl.h> #include <asm/chpid.h> #include <asm/airq.h> @@ -767,262 +766,6 @@ void cio_register_early_subchannels(void) } #endif /* CONFIG_CCW_CONSOLE */ -static int -__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) -{ - int retry, cc; - - cc = 0; - for (retry=0;retry<3;retry++) { - schib->pmcw.ena = 0; - cc = msch(schid, schib); - if (cc) - return (cc==3?-ENODEV:-EBUSY); - if (stsch(schid, schib) || !css_sch_is_valid(schib)) - return -ENODEV; - if (!schib->pmcw.ena) - return 0; - } - return -EBUSY; /* uhm... */ -} - -static int -__clear_io_subchannel_easy(struct subchannel_id schid) -{ - int retry; - - if (csch(schid)) - return -ENODEV; - for (retry=0;retry<20;retry++) { - struct tpi_info ti; - - if (tpi(&ti)) { - tsch(ti.schid, this_cpu_ptr(&cio_irb)); - if (schid_equal(&ti.schid, &schid)) - return 0; - } - udelay_simple(100); - } - return -EBUSY; -} - -static void __clear_chsc_subchannel_easy(void) -{ - /* It seems we can only wait for a bit here :/ */ - udelay_simple(100); -} - -static int pgm_check_occured; - -static void cio_reset_pgm_check_handler(void) -{ - pgm_check_occured = 1; -} - -static int stsch_reset(struct subchannel_id schid, struct schib *addr) -{ - int rc; - - pgm_check_occured = 0; - s390_base_pgm_handler_fn = cio_reset_pgm_check_handler; - rc = stsch(schid, addr); - s390_base_pgm_handler_fn = NULL; - - /* The program check handler could have changed pgm_check_occured. */ - barrier(); - - if (pgm_check_occured) - return -EIO; - else - return rc; -} - -static int __shutdown_subchannel_easy(struct subchannel_id schid, void *data) -{ - struct schib schib; - - if (stsch_reset(schid, &schib)) - return -ENXIO; - if (!schib.pmcw.ena) - return 0; - switch(__disable_subchannel_easy(schid, &schib)) { - case 0: - case -ENODEV: - break; - default: /* -EBUSY */ - switch (schib.pmcw.st) { - case SUBCHANNEL_TYPE_IO: - if (__clear_io_subchannel_easy(schid)) - goto out; /* give up... */ - break; - case SUBCHANNEL_TYPE_CHSC: - __clear_chsc_subchannel_easy(); - break; - default: - /* No default clear strategy */ - break; - } - stsch(schid, &schib); - __disable_subchannel_easy(schid, &schib); - } -out: - return 0; -} - -static atomic_t chpid_reset_count; - -static void s390_reset_chpids_mcck_handler(void) -{ - struct crw crw; - union mci mci; - - /* Check for pending channel report word. */ - mci.val = S390_lowcore.mcck_interruption_code; - if (!mci.cp) - return; - /* Process channel report words. */ - while (stcrw(&crw) == 0) { - /* Check for responses to RCHP. */ - if (crw.slct && crw.rsc == CRW_RSC_CPATH) - atomic_dec(&chpid_reset_count); - } -} - -#define RCHP_TIMEOUT (30 * USEC_PER_SEC) -static void css_reset(void) -{ - int i, ret; - unsigned long long timeout; - struct chp_id chpid; - - /* Reset subchannels. */ - for_each_subchannel(__shutdown_subchannel_easy, NULL); - /* Reset channel paths. */ - s390_base_mcck_handler_fn = s390_reset_chpids_mcck_handler; - /* Enable channel report machine checks. */ - __ctl_set_bit(14, 28); - /* Temporarily reenable machine checks. */ - local_mcck_enable(); - chp_id_init(&chpid); - for (i = 0; i <= __MAX_CHPID; i++) { - chpid.id = i; - ret = rchp(chpid); - if ((ret == 0) || (ret == 2)) - /* - * rchp either succeeded, or another rchp is already - * in progress. In either case, we'll get a crw. - */ - atomic_inc(&chpid_reset_count); - } - /* Wait for machine check for all channel paths. */ - timeout = get_tod_clock_fast() + (RCHP_TIMEOUT << 12); - while (atomic_read(&chpid_reset_count) != 0) { - if (get_tod_clock_fast() > timeout) - break; - cpu_relax(); - } - /* Disable machine checks again. */ - local_mcck_disable(); - /* Disable channel report machine checks. */ - __ctl_clear_bit(14, 28); - s390_base_mcck_handler_fn = NULL; -} - -static struct reset_call css_reset_call = { - .fn = css_reset, -}; - -static int __init init_css_reset_call(void) -{ - atomic_set(&chpid_reset_count, 0); - register_reset_call(&css_reset_call); - return 0; -} - -arch_initcall(init_css_reset_call); - -struct sch_match_id { - struct subchannel_id schid; - struct ccw_dev_id devid; - int rc; -}; - -static int __reipl_subchannel_match(struct subchannel_id schid, void *data) -{ - struct schib schib; - struct sch_match_id *match_id = data; - - if (stsch_reset(schid, &schib)) - return -ENXIO; - if ((schib.pmcw.st == SUBCHANNEL_TYPE_IO) && schib.pmcw.dnv && - (schib.pmcw.dev == match_id->devid.devno) && - (schid.ssid == match_id->devid.ssid)) { - match_id->schid = schid; - match_id->rc = 0; - return 1; - } - return 0; -} - -static int reipl_find_schid(struct ccw_dev_id *devid, - struct subchannel_id *schid) -{ - struct sch_match_id match_id; - - match_id.devid = *devid; - match_id.rc = -ENODEV; - for_each_subchannel(__reipl_subchannel_match, &match_id); - if (match_id.rc == 0) - *schid = match_id.schid; - return match_id.rc; -} - -extern void do_reipl_asm(__u32 schid); - -/* Make sure all subchannels are quiet before we re-ipl an lpar. */ -void reipl_ccw_dev(struct ccw_dev_id *devid) -{ - struct subchannel_id uninitialized_var(schid); - - s390_reset_system(); - if (reipl_find_schid(devid, &schid) != 0) - panic("IPL Device not found\n"); - do_reipl_asm(*((__u32*)&schid)); -} - -int __init cio_get_iplinfo(struct cio_iplinfo *iplinfo) -{ - static struct chsc_sda_area sda_area __initdata; - struct subchannel_id schid; - struct schib schib; - - schid = *(struct subchannel_id *)&S390_lowcore.subchannel_id; - if (!schid.one) - return -ENODEV; - - if (schid.ssid) { - /* - * Firmware should have already enabled MSS but whoever started - * the kernel might have initiated a channel subsystem reset. - * Ensure that MSS is enabled. - */ - memset(&sda_area, 0, sizeof(sda_area)); - if (__chsc_enable_facility(&sda_area, CHSC_SDA_OC_MSS)) - return -ENODEV; - } - if (stsch(schid, &schib)) - return -ENODEV; - if (schib.pmcw.st != SUBCHANNEL_TYPE_IO) - return -ENODEV; - if (!schib.pmcw.dnv) - return -ENODEV; - - iplinfo->ssid = schid.ssid; - iplinfo->devno = schib.pmcw.dev; - iplinfo->is_qdio = schib.pmcw.qf; - return 0; -} - /** * cio_tm_start_key - perform start function * @sch: subchannel on which to perform the start function diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c index 4fa9ee1d09fa..14d328338ce2 100644 --- a/drivers/s390/cio/ioasm.c +++ b/drivers/s390/cio/ioasm.c @@ -183,30 +183,6 @@ int chsc(void *chsc_area) } EXPORT_SYMBOL(chsc); -static inline int __rchp(struct chp_id chpid) -{ - register struct chp_id reg1 asm ("1") = chpid; - int ccode; - - asm volatile( - " lr 1,%1\n" - " rchp\n" - " ipm %0\n" - " srl %0,28" - : "=d" (ccode) : "d" (reg1) : "cc"); - return ccode; -} - -int rchp(struct chp_id chpid) -{ - int ccode; - - ccode = __rchp(chpid); - trace_s390_cio_rchp(chpid, ccode); - - return ccode; -} - static inline int __rsch(struct subchannel_id schid) { register struct subchannel_id reg1 asm("1") = schid; diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h index 35ad4ddd61e0..4be539cb9adc 100644 --- a/drivers/s390/cio/ioasm.h +++ b/drivers/s390/cio/ioasm.h @@ -20,7 +20,6 @@ int ssch(struct subchannel_id schid, union orb *addr); int csch(struct subchannel_id schid); int tpi(struct tpi_info *addr); int chsc(void *chsc_area); -int rchp(struct chp_id chpid); int rsch(struct subchannel_id schid); int hsch(struct subchannel_id schid); int xsch(struct subchannel_id schid); diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index a337281337a7..f4ca72dd862f 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c @@ -1207,8 +1207,10 @@ no_cleanup: qdio_shutdown_thinint(irq_ptr); /* restore interrupt handler */ - if ((void *)cdev->handler == (void *)qdio_int_handler) + if ((void *)cdev->handler == (void *)qdio_int_handler) { cdev->handler = irq_ptr->orig_handler; + cdev->private->intparm = 0; + } spin_unlock_irq(get_ccwdev_lock(cdev)); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE); diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index 98f3cfdc0d02..439991d71b14 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -507,8 +507,10 @@ int qdio_setup_irq(struct qdio_initialize *init_data) irq_ptr->aqueue = *ciw; /* set new interrupt handler */ + spin_lock_irq(get_ccwdev_lock(irq_ptr->cdev)); irq_ptr->orig_handler = init_data->cdev->handler; init_data->cdev->handler = qdio_int_handler; + spin_unlock_irq(get_ccwdev_lock(irq_ptr->cdev)); return 0; out_err: qdio_release_memory(irq_ptr); diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 48d55dc9e986..35a0c2b52f82 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -25,7 +25,6 @@ #include <linux/kthread.h> #include <linux/mutex.h> #include <linux/suspend.h> -#include <asm/reset.h> #include <asm/airq.h> #include <linux/atomic.h> #include <asm/isc.h> @@ -1197,26 +1196,7 @@ static void ap_config_timeout(struct timer_list *unused) queue_work(system_long_wq, &ap_scan_work); } -static void ap_reset_all(void) -{ - int i, j; - - for (i = 0; i < AP_DOMAINS; i++) { - if (!ap_test_config_domain(i)) - continue; - for (j = 0; j < AP_DEVICES; j++) { - if (!ap_test_config_card_id(j)) - continue; - ap_rapq(AP_MKQID(j, i)); - } - } -} - -static struct reset_call ap_reset_call = { - .fn = ap_reset_all, -}; - -int __init ap_debug_init(void) +static int __init ap_debug_init(void) { ap_dbf_info = debug_register("ap", 1, 1, DBF_MAX_SPRINTF_ARGS * sizeof(long)); @@ -1226,17 +1206,12 @@ int __init ap_debug_init(void) return 0; } -void ap_debug_exit(void) -{ - debug_unregister(ap_dbf_info); -} - /** * ap_module_init(): The module initialization code. * * Initializes the module. */ -int __init ap_module_init(void) +static int __init ap_module_init(void) { int max_domain_id; int rc, i; @@ -1274,8 +1249,6 @@ int __init ap_module_init(void) ap_airq_flag = (rc == 0); } - register_reset_call(&ap_reset_call); - /* Create /sys/bus/ap. */ rc = bus_register(&ap_bus_type); if (rc) @@ -1331,7 +1304,6 @@ out_bus: bus_remove_file(&ap_bus_type, ap_bus_attrs[i]); bus_unregister(&ap_bus_type); out: - unregister_reset_call(&ap_reset_call); if (ap_using_interrupts()) unregister_adapter_interrupt(&ap_airq); kfree(ap_configuration); diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index e0827eaa42f1..02184cf35834 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -17,7 +17,7 @@ #include <linux/types.h> #include <asm/ap.h> -#define AP_DEVICES 64 /* Number of AP devices. */ +#define AP_DEVICES 256 /* Number of AP devices. */ #define AP_DOMAINS 256 /* Number of AP domains. */ #define AP_RESET_TIMEOUT (HZ*0.7) /* Time in ticks for reset timeouts. */ #define AP_CONFIG_TIME 30 /* Time in seconds between AP bus rescans. */ @@ -240,7 +240,4 @@ void ap_queue_resume(struct ap_device *ap_dev); struct ap_card *ap_card_create(int id, int queue_depth, int raw_device_type, int comp_device_type, unsigned int functions); -int ap_module_init(void); -void ap_module_exit(void); - #endif /* _AP_BUS_H_ */ diff --git a/drivers/s390/crypto/ap_debug.h b/drivers/s390/crypto/ap_debug.h index 6a9d77c75ec3..dc675eb5aef6 100644 --- a/drivers/s390/crypto/ap_debug.h +++ b/drivers/s390/crypto/ap_debug.h @@ -23,7 +23,4 @@ extern debug_info_t *ap_dbf_info; -int ap_debug_init(void); -void ap_debug_exit(void); - #endif /* AP_DEBUG_H */ diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index e7c2e4f9529a..ed80d00cdb6f 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -889,7 +889,7 @@ int pkey_findcard(const struct pkey_seckey *seckey, u16 *pcardnr, u16 *pdomain, int verify) { struct secaeskeytoken *t = (struct secaeskeytoken *) seckey; - struct zcrypt_device_matrix *device_matrix; + struct zcrypt_device_status_ext *device_status; u16 card, dom; u64 mkvp[2]; int i, rc, oi = -1; @@ -899,18 +899,19 @@ int pkey_findcard(const struct pkey_seckey *seckey, return -EINVAL; /* fetch status of all crypto cards */ - device_matrix = kmalloc(sizeof(struct zcrypt_device_matrix), + device_status = kmalloc(MAX_ZDEV_ENTRIES_EXT + * sizeof(struct zcrypt_device_status_ext), GFP_KERNEL); - if (!device_matrix) + if (!device_status) return -ENOMEM; - zcrypt_device_status_mask(device_matrix); + zcrypt_device_status_mask_ext(device_status); /* walk through all crypto cards */ - for (i = 0; i < MAX_ZDEV_ENTRIES; i++) { - card = AP_QID_CARD(device_matrix->device[i].qid); - dom = AP_QID_QUEUE(device_matrix->device[i].qid); - if (device_matrix->device[i].online && - device_matrix->device[i].functions & 0x04) { + for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) { + card = AP_QID_CARD(device_status[i].qid); + dom = AP_QID_QUEUE(device_status[i].qid); + if (device_status[i].online && + device_status[i].functions & 0x04) { /* an enabled CCA Coprocessor card */ /* try cached mkvp */ if (mkvp_cache_fetch(card, dom, mkvp) == 0 && @@ -930,14 +931,14 @@ int pkey_findcard(const struct pkey_seckey *seckey, mkvp_cache_scrub(card, dom); } } - if (i >= MAX_ZDEV_ENTRIES) { + if (i >= MAX_ZDEV_ENTRIES_EXT) { /* nothing found, so this time without cache */ - for (i = 0; i < MAX_ZDEV_ENTRIES; i++) { - if (!(device_matrix->device[i].online && - device_matrix->device[i].functions & 0x04)) + for (i = 0; i < MAX_ZDEV_ENTRIES_EXT; i++) { + if (!(device_status[i].online && + device_status[i].functions & 0x04)) continue; - card = AP_QID_CARD(device_matrix->device[i].qid); - dom = AP_QID_QUEUE(device_matrix->device[i].qid); + card = AP_QID_CARD(device_status[i].qid); + dom = AP_QID_QUEUE(device_status[i].qid); /* fresh fetch mkvp from adapter */ if (fetch_mkvp(card, dom, mkvp) == 0) { mkvp_cache_update(card, dom, mkvp); @@ -947,13 +948,13 @@ int pkey_findcard(const struct pkey_seckey *seckey, oi = i; } } - if (i >= MAX_ZDEV_ENTRIES && oi >= 0) { + if (i >= MAX_ZDEV_ENTRIES_EXT && oi >= 0) { /* old mkvp matched, use this card then */ - card = AP_QID_CARD(device_matrix->device[oi].qid); - dom = AP_QID_QUEUE(device_matrix->device[oi].qid); + card = AP_QID_CARD(device_status[oi].qid); + dom = AP_QID_QUEUE(device_status[oi].qid); } } - if (i < MAX_ZDEV_ENTRIES || oi >= 0) { + if (i < MAX_ZDEV_ENTRIES_EXT || oi >= 0) { if (pcardnr) *pcardnr = card; if (pdomain) @@ -962,7 +963,7 @@ int pkey_findcard(const struct pkey_seckey *seckey, } else rc = -ENODEV; - kfree(device_matrix); + kfree(device_status); return rc; } EXPORT_SYMBOL(pkey_findcard); diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index ce15f101ee28..5efd84862ccb 100644 --- a/drivers/s390/crypto/zcrypt_api.c +++ b/drivers/s390/crypto/zcrypt_api.c @@ -18,8 +18,6 @@ #include <linux/interrupt.h> #include <linux/miscdevice.h> #include <linux/fs.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> #include <linux/compat.h> #include <linux/slab.h> #include <linux/atomic.h> @@ -607,19 +605,24 @@ out: return rc; } -void zcrypt_device_status_mask(struct zcrypt_device_matrix *matrix) +static void zcrypt_device_status_mask(struct zcrypt_device_status *devstatus) { struct zcrypt_card *zc; struct zcrypt_queue *zq; struct zcrypt_device_status *stat; + int card, queue; + + memset(devstatus, 0, MAX_ZDEV_ENTRIES + * sizeof(struct zcrypt_device_status)); - memset(matrix, 0, sizeof(*matrix)); spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { - stat = matrix->device; - stat += AP_QID_CARD(zq->queue->qid) * MAX_ZDEV_DOMAINS; - stat += AP_QID_QUEUE(zq->queue->qid); + card = AP_QID_CARD(zq->queue->qid); + if (card >= MAX_ZDEV_CARDIDS) + continue; + queue = AP_QID_QUEUE(zq->queue->qid); + stat = &devstatus[card * AP_DOMAINS + queue]; stat->hwtype = zc->card->ap_dev.device_type; stat->functions = zc->card->functions >> 26; stat->qid = zq->queue->qid; @@ -628,40 +631,70 @@ void zcrypt_device_status_mask(struct zcrypt_device_matrix *matrix) } spin_unlock(&zcrypt_list_lock); } -EXPORT_SYMBOL(zcrypt_device_status_mask); -static void zcrypt_status_mask(char status[AP_DEVICES]) +void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus) { struct zcrypt_card *zc; struct zcrypt_queue *zq; + struct zcrypt_device_status_ext *stat; + int card, queue; + + memset(devstatus, 0, MAX_ZDEV_ENTRIES_EXT + * sizeof(struct zcrypt_device_status_ext)); - memset(status, 0, sizeof(char) * AP_DEVICES); spin_lock(&zcrypt_list_lock); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) + card = AP_QID_CARD(zq->queue->qid); + queue = AP_QID_QUEUE(zq->queue->qid); + stat = &devstatus[card * AP_DOMAINS + queue]; + stat->hwtype = zc->card->ap_dev.device_type; + stat->functions = zc->card->functions >> 26; + stat->qid = zq->queue->qid; + stat->online = zq->online ? 0x01 : 0x00; + } + } + spin_unlock(&zcrypt_list_lock); +} +EXPORT_SYMBOL(zcrypt_device_status_mask_ext); + +static void zcrypt_status_mask(char status[], size_t max_adapters) +{ + struct zcrypt_card *zc; + struct zcrypt_queue *zq; + int card; + + memset(status, 0, max_adapters); + spin_lock(&zcrypt_list_lock); + for_each_zcrypt_card(zc) { + for_each_zcrypt_queue(zq, zc) { + card = AP_QID_CARD(zq->queue->qid); + if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index + || card >= max_adapters) continue; - status[AP_QID_CARD(zq->queue->qid)] = - zc->online ? zc->user_space_type : 0x0d; + status[card] = zc->online ? zc->user_space_type : 0x0d; } } spin_unlock(&zcrypt_list_lock); } -static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES]) +static void zcrypt_qdepth_mask(char qdepth[], size_t max_adapters) { struct zcrypt_card *zc; struct zcrypt_queue *zq; + int card; - memset(qdepth, 0, sizeof(char) * AP_DEVICES); + memset(qdepth, 0, max_adapters); spin_lock(&zcrypt_list_lock); local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) + card = AP_QID_CARD(zq->queue->qid); + if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index + || card >= max_adapters) continue; spin_lock(&zq->queue->lock); - qdepth[AP_QID_CARD(zq->queue->qid)] = + qdepth[card] = zq->queue->pendingq_count + zq->queue->requestq_count; spin_unlock(&zq->queue->lock); @@ -671,21 +704,23 @@ static void zcrypt_qdepth_mask(char qdepth[AP_DEVICES]) spin_unlock(&zcrypt_list_lock); } -static void zcrypt_perdev_reqcnt(int reqcnt[AP_DEVICES]) +static void zcrypt_perdev_reqcnt(int reqcnt[], size_t max_adapters) { struct zcrypt_card *zc; struct zcrypt_queue *zq; + int card; - memset(reqcnt, 0, sizeof(int) * AP_DEVICES); + memset(reqcnt, 0, sizeof(int) * max_adapters); spin_lock(&zcrypt_list_lock); local_bh_disable(); for_each_zcrypt_card(zc) { for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) + card = AP_QID_CARD(zq->queue->qid); + if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index + || card >= max_adapters) continue; spin_lock(&zq->queue->lock); - reqcnt[AP_QID_CARD(zq->queue->qid)] = - zq->queue->total_request_count; + reqcnt[card] = zq->queue->total_request_count; spin_unlock(&zq->queue->lock); } } @@ -739,60 +774,10 @@ static int zcrypt_requestq_count(void) return requestq_count; } -static int zcrypt_count_type(int type) -{ - struct zcrypt_card *zc; - struct zcrypt_queue *zq; - int device_count; - - device_count = 0; - spin_lock(&zcrypt_list_lock); - for_each_zcrypt_card(zc) { - if (zc->card->id != type) - continue; - for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) - continue; - device_count++; - } - } - spin_unlock(&zcrypt_list_lock); - return device_count; -} - -/** - * zcrypt_ica_status(): Old, depracted combi status call. - * - * Old, deprecated combi status call. - */ -static long zcrypt_ica_status(struct file *filp, unsigned long arg) -{ - struct ica_z90_status *pstat; - int ret; - - pstat = kzalloc(sizeof(*pstat), GFP_KERNEL); - if (!pstat) - return -ENOMEM; - pstat->totalcount = zcrypt_device_count; - pstat->leedslitecount = zcrypt_count_type(ZCRYPT_PCICA); - pstat->leeds2count = zcrypt_count_type(ZCRYPT_PCICC); - pstat->requestqWaitCount = zcrypt_requestq_count(); - pstat->pendingqWaitCount = zcrypt_pendingq_count(); - pstat->totalOpenCount = atomic_read(&zcrypt_open_count); - pstat->cryptoDomain = ap_domain_index; - zcrypt_status_mask(pstat->status); - zcrypt_qdepth_mask(pstat->qdepth); - ret = 0; - if (copy_to_user((void __user *) arg, pstat, sizeof(*pstat))) - ret = -EFAULT; - kfree(pstat); - return ret; -} - static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { - int rc; + int rc = 0; switch (cmd) { case ICARSAMODEXPO: { @@ -871,48 +856,48 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, return -EFAULT; return rc; } - case ZDEVICESTATUS: { - struct zcrypt_device_matrix *device_status; + case ZCRYPT_DEVICE_STATUS: { + struct zcrypt_device_status_ext *device_status; + size_t total_size = MAX_ZDEV_ENTRIES_EXT + * sizeof(struct zcrypt_device_status_ext); - device_status = kzalloc(sizeof(struct zcrypt_device_matrix), - GFP_KERNEL); + device_status = kzalloc(total_size, GFP_KERNEL); if (!device_status) return -ENOMEM; - - zcrypt_device_status_mask(device_status); - + zcrypt_device_status_mask_ext(device_status); if (copy_to_user((char __user *) arg, device_status, - sizeof(struct zcrypt_device_matrix))) { - kfree(device_status); - return -EFAULT; - } - + total_size)) + rc = -EFAULT; kfree(device_status); - return 0; + return rc; } - case Z90STAT_STATUS_MASK: { + case ZCRYPT_STATUS_MASK: { char status[AP_DEVICES]; - zcrypt_status_mask(status); - if (copy_to_user((char __user *) arg, status, - sizeof(char) * AP_DEVICES)) + + zcrypt_status_mask(status, AP_DEVICES); + if (copy_to_user((char __user *) arg, status, sizeof(status))) return -EFAULT; return 0; } - case Z90STAT_QDEPTH_MASK: { + case ZCRYPT_QDEPTH_MASK: { char qdepth[AP_DEVICES]; - zcrypt_qdepth_mask(qdepth); - if (copy_to_user((char __user *) arg, qdepth, - sizeof(char) * AP_DEVICES)) + + zcrypt_qdepth_mask(qdepth, AP_DEVICES); + if (copy_to_user((char __user *) arg, qdepth, sizeof(qdepth))) return -EFAULT; return 0; } - case Z90STAT_PERDEV_REQCNT: { - int reqcnt[AP_DEVICES]; - zcrypt_perdev_reqcnt(reqcnt); - if (copy_to_user((int __user *) arg, reqcnt, - sizeof(int) * AP_DEVICES)) - return -EFAULT; - return 0; + case ZCRYPT_PERDEV_REQCNT: { + int *reqcnt; + + reqcnt = kcalloc(AP_DEVICES, sizeof(int), GFP_KERNEL); + if (!reqcnt) + return -ENOMEM; + zcrypt_perdev_reqcnt(reqcnt, AP_DEVICES); + if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt))) + rc = -EFAULT; + kfree(reqcnt); + return rc; } case Z90STAT_REQUESTQ_COUNT: return put_user(zcrypt_requestq_count(), (int __user *) arg); @@ -924,38 +909,54 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd, case Z90STAT_DOMAIN_INDEX: return put_user(ap_domain_index, (int __user *) arg); /* - * Deprecated ioctls. Don't add another device count ioctl, - * you can count them yourself in the user space with the - * output of the Z90STAT_STATUS_MASK ioctl. + * Deprecated ioctls */ - case ICAZ90STATUS: - return zcrypt_ica_status(filp, arg); - case Z90STAT_TOTALCOUNT: - return put_user(zcrypt_device_count, (int __user *) arg); - case Z90STAT_PCICACOUNT: - return put_user(zcrypt_count_type(ZCRYPT_PCICA), - (int __user *) arg); - case Z90STAT_PCICCCOUNT: - return put_user(zcrypt_count_type(ZCRYPT_PCICC), - (int __user *) arg); - case Z90STAT_PCIXCCMCL2COUNT: - return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2), - (int __user *) arg); - case Z90STAT_PCIXCCMCL3COUNT: - return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL3), - (int __user *) arg); - case Z90STAT_PCIXCCCOUNT: - return put_user(zcrypt_count_type(ZCRYPT_PCIXCC_MCL2) + - zcrypt_count_type(ZCRYPT_PCIXCC_MCL3), - (int __user *) arg); - case Z90STAT_CEX2CCOUNT: - return put_user(zcrypt_count_type(ZCRYPT_CEX2C), - (int __user *) arg); - case Z90STAT_CEX2ACOUNT: - return put_user(zcrypt_count_type(ZCRYPT_CEX2A), - (int __user *) arg); + case ZDEVICESTATUS: { + /* the old ioctl supports only 64 adapters */ + struct zcrypt_device_status *device_status; + size_t total_size = MAX_ZDEV_ENTRIES + * sizeof(struct zcrypt_device_status); + + device_status = kzalloc(total_size, GFP_KERNEL); + if (!device_status) + return -ENOMEM; + zcrypt_device_status_mask(device_status); + if (copy_to_user((char __user *) arg, device_status, + total_size)) + rc = -EFAULT; + kfree(device_status); + return rc; + } + case Z90STAT_STATUS_MASK: { + /* the old ioctl supports only 64 adapters */ + char status[MAX_ZDEV_CARDIDS]; + + zcrypt_status_mask(status, MAX_ZDEV_CARDIDS); + if (copy_to_user((char __user *) arg, status, sizeof(status))) + return -EFAULT; + return 0; + } + case Z90STAT_QDEPTH_MASK: { + /* the old ioctl supports only 64 adapters */ + char qdepth[MAX_ZDEV_CARDIDS]; + + zcrypt_qdepth_mask(qdepth, MAX_ZDEV_CARDIDS); + if (copy_to_user((char __user *) arg, qdepth, sizeof(qdepth))) + return -EFAULT; + return 0; + } + case Z90STAT_PERDEV_REQCNT: { + /* the old ioctl supports only 64 adapters */ + int reqcnt[MAX_ZDEV_CARDIDS]; + + zcrypt_perdev_reqcnt(reqcnt, MAX_ZDEV_CARDIDS); + if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt))) + return -EFAULT; + return 0; + } + /* unknown ioctl number */ default: - /* unknown ioctl number */ + ZCRYPT_DBF(DBF_DEBUG, "unknown ioctl 0x%08x\n", cmd); return -ENOIOCTLCMD; } } @@ -1152,201 +1153,6 @@ static struct miscdevice zcrypt_misc_device = { .fops = &zcrypt_fops, }; -/* - * Deprecated /proc entry support. - */ -static struct proc_dir_entry *zcrypt_entry; - -static void sprintcl(struct seq_file *m, unsigned char *addr, unsigned int len) -{ - int i; - - for (i = 0; i < len; i++) - seq_printf(m, "%01x", (unsigned int) addr[i]); - seq_putc(m, ' '); -} - -static void sprintrw(struct seq_file *m, unsigned char *addr, unsigned int len) -{ - int inl, c, cx; - - seq_printf(m, " "); - inl = 0; - for (c = 0; c < (len / 16); c++) { - sprintcl(m, addr+inl, 16); - inl += 16; - } - cx = len%16; - if (cx) { - sprintcl(m, addr+inl, cx); - inl += cx; - } - seq_putc(m, '\n'); -} - -static void sprinthx(unsigned char *title, struct seq_file *m, - unsigned char *addr, unsigned int len) -{ - int inl, r, rx; - - seq_printf(m, "\n%s\n", title); - inl = 0; - for (r = 0; r < (len / 64); r++) { - sprintrw(m, addr+inl, 64); - inl += 64; - } - rx = len % 64; - if (rx) { - sprintrw(m, addr+inl, rx); - inl += rx; - } - seq_putc(m, '\n'); -} - -static void sprinthx4(unsigned char *title, struct seq_file *m, - unsigned int *array, unsigned int len) -{ - seq_printf(m, "\n%s\n", title); - seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, array, len, false); - seq_putc(m, '\n'); -} - -static int zcrypt_proc_show(struct seq_file *m, void *v) -{ - char workarea[sizeof(int) * AP_DEVICES]; - - seq_printf(m, "\nzcrypt version: %d.%d.%d\n", - ZCRYPT_VERSION, ZCRYPT_RELEASE, ZCRYPT_VARIANT); - seq_printf(m, "Cryptographic domain: %d\n", ap_domain_index); - seq_printf(m, "Total device count: %d\n", zcrypt_device_count); - seq_printf(m, "PCICA count: %d\n", zcrypt_count_type(ZCRYPT_PCICA)); - seq_printf(m, "PCICC count: %d\n", zcrypt_count_type(ZCRYPT_PCICC)); - seq_printf(m, "PCIXCC MCL2 count: %d\n", - zcrypt_count_type(ZCRYPT_PCIXCC_MCL2)); - seq_printf(m, "PCIXCC MCL3 count: %d\n", - zcrypt_count_type(ZCRYPT_PCIXCC_MCL3)); - seq_printf(m, "CEX2C count: %d\n", zcrypt_count_type(ZCRYPT_CEX2C)); - seq_printf(m, "CEX2A count: %d\n", zcrypt_count_type(ZCRYPT_CEX2A)); - seq_printf(m, "CEX3C count: %d\n", zcrypt_count_type(ZCRYPT_CEX3C)); - seq_printf(m, "CEX3A count: %d\n", zcrypt_count_type(ZCRYPT_CEX3A)); - seq_printf(m, "requestq count: %d\n", zcrypt_requestq_count()); - seq_printf(m, "pendingq count: %d\n", zcrypt_pendingq_count()); - seq_printf(m, "Total open handles: %d\n\n", - atomic_read(&zcrypt_open_count)); - zcrypt_status_mask(workarea); - sprinthx("Online devices: 1=PCICA 2=PCICC 3=PCIXCC(MCL2) " - "4=PCIXCC(MCL3) 5=CEX2C 6=CEX2A 7=CEX3C 8=CEX3A", - m, workarea, AP_DEVICES); - zcrypt_qdepth_mask(workarea); - sprinthx("Waiting work element counts", m, workarea, AP_DEVICES); - zcrypt_perdev_reqcnt((int *) workarea); - sprinthx4("Per-device successfully completed request counts", - m, (unsigned int *) workarea, AP_DEVICES); - return 0; -} - -static int zcrypt_proc_open(struct inode *inode, struct file *file) -{ - return single_open(file, zcrypt_proc_show, NULL); -} - -static void zcrypt_disable_card(int index) -{ - struct zcrypt_card *zc; - struct zcrypt_queue *zq; - - spin_lock(&zcrypt_list_lock); - for_each_zcrypt_card(zc) { - for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) - continue; - zq->online = 0; - ap_flush_queue(zq->queue); - } - } - spin_unlock(&zcrypt_list_lock); -} - -static void zcrypt_enable_card(int index) -{ - struct zcrypt_card *zc; - struct zcrypt_queue *zq; - - spin_lock(&zcrypt_list_lock); - for_each_zcrypt_card(zc) { - for_each_zcrypt_queue(zq, zc) { - if (AP_QID_QUEUE(zq->queue->qid) != ap_domain_index) - continue; - zq->online = 1; - ap_flush_queue(zq->queue); - } - } - spin_unlock(&zcrypt_list_lock); -} - -static ssize_t zcrypt_proc_write(struct file *file, const char __user *buffer, - size_t count, loff_t *pos) -{ - unsigned char *lbuf, *ptr; - size_t local_count; - int j; - - if (count <= 0) - return 0; - -#define LBUFSIZE 1200UL - lbuf = kmalloc(LBUFSIZE, GFP_KERNEL); - if (!lbuf) - return 0; - - local_count = min(LBUFSIZE - 1, count); - if (copy_from_user(lbuf, buffer, local_count) != 0) { - kfree(lbuf); - return -EFAULT; - } - lbuf[local_count] = '\0'; - - ptr = strstr(lbuf, "Online devices"); - if (!ptr) - goto out; - ptr = strstr(ptr, "\n"); - if (!ptr) - goto out; - ptr++; - - if (strstr(ptr, "Waiting work element counts") == NULL) - goto out; - - for (j = 0; j < 64 && *ptr; ptr++) { - /* - * '0' for no device, '1' for PCICA, '2' for PCICC, - * '3' for PCIXCC_MCL2, '4' for PCIXCC_MCL3, - * '5' for CEX2C and '6' for CEX2A' - * '7' for CEX3C and '8' for CEX3A - */ - if (*ptr >= '0' && *ptr <= '8') - j++; - else if (*ptr == 'd' || *ptr == 'D') - zcrypt_disable_card(j++); - else if (*ptr == 'e' || *ptr == 'E') - zcrypt_enable_card(j++); - else if (*ptr != ' ' && *ptr != '\t') - break; - } -out: - kfree(lbuf); - return count; -} - -static const struct file_operations zcrypt_proc_fops = { - .owner = THIS_MODULE, - .open = zcrypt_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = zcrypt_proc_write, -}; - static int zcrypt_rng_device_count; static u32 *zcrypt_rng_buffer; static int zcrypt_rng_buffer_index; @@ -1448,27 +1254,15 @@ int __init zcrypt_api_init(void) if (rc) goto out; - atomic_set(&zcrypt_rescan_req, 0); - /* Register the request sprayer. */ rc = misc_register(&zcrypt_misc_device); if (rc < 0) goto out; - /* Set up the proc file system */ - zcrypt_entry = proc_create("driver/z90crypt", 0644, NULL, - &zcrypt_proc_fops); - if (!zcrypt_entry) { - rc = -ENOMEM; - goto out_misc; - } - zcrypt_msgtype6_init(); zcrypt_msgtype50_init(); return 0; -out_misc: - misc_deregister(&zcrypt_misc_device); out: return rc; } @@ -1480,7 +1274,6 @@ out: */ void __exit zcrypt_api_exit(void) { - remove_proc_entry("driver/z90crypt", NULL); misc_deregister(&zcrypt_misc_device); zcrypt_msgtype6_exit(); zcrypt_msgtype50_exit(); diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h index 9fff8912f6e3..f149a8fee60d 100644 --- a/drivers/s390/crypto/zcrypt_api.h +++ b/drivers/s390/crypto/zcrypt_api.h @@ -21,30 +21,6 @@ #include <asm/zcrypt.h> #include "ap_bus.h" -/* deprecated status calls */ -#define ICAZ90STATUS _IOR(ZCRYPT_IOCTL_MAGIC, 0x10, struct ica_z90_status) -#define Z90STAT_PCIXCCCOUNT _IOR(ZCRYPT_IOCTL_MAGIC, 0x43, int) - -/** - * This structure is deprecated and the corresponding ioctl() has been - * replaced with individual ioctl()s for each piece of data! - */ -struct ica_z90_status { - int totalcount; - int leedslitecount; // PCICA - int leeds2count; // PCICC - // int PCIXCCCount; is not in struct for backward compatibility - int requestqWaitCount; - int pendingqWaitCount; - int totalOpenCount; - int cryptoDomain; - // status: 0=not there, 1=PCICA, 2=PCICC, 3=PCIXCC_MCL2, 4=PCIXCC_MCL3, - // 5=CEX2C - unsigned char status[64]; - // qdepth: # work elements waiting for each device - unsigned char qdepth[64]; -}; - /** * device type for an actual device is either PCICA, PCICC, PCIXCC_MCL2, * PCIXCC_MCL3, CEX2C, or CEX2A @@ -179,6 +155,6 @@ struct zcrypt_ops *zcrypt_msgtype(unsigned char *, int); int zcrypt_api_init(void); void zcrypt_api_exit(void); long zcrypt_send_cprb(struct ica_xcRB *xcRB); -void zcrypt_device_status_mask(struct zcrypt_device_matrix *devstatus); +void zcrypt_device_status_mask_ext(struct zcrypt_device_status_ext *devstatus); #endif /* _ZCRYPT_API_H_ */ diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 50a313806dde..2ad6f12f3d49 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -21,7 +21,6 @@ #include <linux/list.h> #include <linux/hash.h> #include <linux/hashtable.h> -#include <linux/string.h> #include <asm/setup.h> #include "qeth_core.h" #include "qeth_l2.h" diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c index 3b0c8b8a7634..066b5c3aaae6 100644 --- a/drivers/s390/net/smsgiucv.c +++ b/drivers/s390/net/smsgiucv.c @@ -176,7 +176,7 @@ static struct device_driver smsg_driver = { static void __exit smsg_exit(void) { - cpcmd("SET SMSG IUCV", NULL, 0, NULL); + cpcmd("SET SMSG OFF", NULL, 0, NULL); device_unregister(smsg_dev); iucv_unregister(&smsg_handler, 1); driver_unregister(&smsg_driver); diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 84858d5c8257..0156c9623c35 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1502,9 +1502,10 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type) host = aac->scsi_host_ptr; scsi_block_requests(host); aac_adapter_disable_int(aac); - if (aac->thread->pid != current->pid) { + if (aac->thread && aac->thread->pid != current->pid) { spin_unlock_irq(host->host_lock); kthread_stop(aac->thread); + aac->thread = NULL; jafo = 1; } @@ -1591,6 +1592,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced, u8 reset_type) aac->name); if (IS_ERR(aac->thread)) { retval = PTR_ERR(aac->thread); + aac->thread = NULL; goto out; } } diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 2664ea0df35f..f24fb942065d 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1562,6 +1562,7 @@ static void __aac_shutdown(struct aac_dev * aac) up(&fib->event_wait); } kthread_stop(aac->thread); + aac->thread = NULL; } aac_send_shutdown(aac); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 406e94312d4e..211da1d5a869 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -2108,12 +2108,12 @@ static int t4_uld_rx_handler(void *handle, const __be64 *rsp, log_debug(1 << CXGBI_DBG_TOE, "cdev %p, opcode 0x%x(0x%x,0x%x), skb %p.\n", cdev, opc, rpl->ot.opcode_tid, ntohl(rpl->ot.opcode_tid), skb); - if (cxgb4i_cplhandlers[opc]) - cxgb4i_cplhandlers[opc](cdev, skb); - else { + if (opc >= ARRAY_SIZE(cxgb4i_cplhandlers) || !cxgb4i_cplhandlers[opc]) { pr_err("No handler for opcode 0x%x.\n", opc); __kfree_skb(skb); - } + } else + cxgb4i_cplhandlers[opc](cdev, skb); + return 0; nomem: log_debug(1 << CXGBI_DBG_TOE, "OOM bailing out.\n"); diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 6866975b25f3..5ceea8da7bb6 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -2051,13 +2051,16 @@ static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong ar } break; } - case I2ORESETCMD: - if(pHba->host) - spin_lock_irqsave(pHba->host->host_lock, flags); + case I2ORESETCMD: { + struct Scsi_Host *shost = pHba->host; + + if (shost) + spin_lock_irqsave(shost->host_lock, flags); adpt_hba_reset(pHba); - if(pHba->host) - spin_unlock_irqrestore(pHba->host->host_lock, flags); + if (shost) + spin_unlock_irqrestore(shost->host_lock, flags); break; + } case I2ORESCANCMD: adpt_rescan(pHba); break; diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 7649d63a1b8d..3771e59a9fae 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -472,7 +472,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) else shost->dma_boundary = 0xffffffff; - shost->use_blk_mq = scsi_use_blk_mq; shost->use_blk_mq = scsi_use_blk_mq || shost->hostt->force_blk_mq; device_initialize(&shost->shost_gendev); diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 2288757b5c9e..9e914f9c3ffb 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -3794,6 +3794,7 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); /* CT_IU preamble */ @@ -3812,7 +3813,6 @@ int qla24xx_async_gffid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GFF_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla24xx_async_gffid_sp_done; rval = qla2x00_start_sp(sp); @@ -4230,6 +4230,8 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, sp->name = "gnnft"; sp->gen1 = vha->hw->base_qpair->chip_reset; sp->gen2 = fc4_type; + + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); memset(sp->u.iocb_cmd.u.ctarg.rsp, 0, sp->u.iocb_cmd.u.ctarg.rsp_size); @@ -4246,7 +4248,6 @@ static int qla24xx_async_gnnft(scsi_qla_host_t *vha, struct srb *sp, sp->u.iocb_cmd.u.ctarg.req_size = GNN_FT_REQ_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla2x00_async_gpnft_gnnft_sp_done; rval = qla2x00_start_sp(sp); @@ -4370,6 +4371,8 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->name = "gpnft"; sp->gen1 = vha->hw->base_qpair->chip_reset; sp->gen2 = fc4_type; + + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); rspsz = sizeof(struct ct_sns_gpnft_rsp) + @@ -4385,7 +4388,6 @@ int qla24xx_async_gpnft(scsi_qla_host_t *vha, u8 fc4_type, srb_t *sp) sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla2x00_async_gpnft_gnnft_sp_done; rval = qla2x00_start_sp(sp); @@ -4495,6 +4497,7 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); /* CT_IU preamble */ @@ -4516,7 +4519,6 @@ int qla24xx_async_gnnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GNN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla2x00_async_gnnid_sp_done; rval = qla2x00_start_sp(sp); @@ -4632,6 +4634,7 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); /* CT_IU preamble */ @@ -4653,7 +4656,6 @@ int qla24xx_async_gfpnid(scsi_qla_host_t *vha, fc_port_t *fcport) sp->u.iocb_cmd.u.ctarg.rsp_size = GFPN_ID_RSP_SIZE; sp->u.iocb_cmd.u.ctarg.nport_handle = NPH_SNS; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla2x00_async_gfpnid_sp_done; rval = qla2x00_start_sp(sp); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 8aeb0ed524a1..8f55dd44adae 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -183,10 +183,11 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, sp->name = "login"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->done = qla2x00_async_login_sp_done; lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI; @@ -245,10 +246,11 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_LOGOUT_CMD; sp->name = "logout"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->done = qla2x00_async_logout_sp_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) @@ -307,10 +309,11 @@ qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_PRLO_CMD; sp->name = "prlo"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->done = qla2x00_async_prlo_sp_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) @@ -412,10 +415,11 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, sp->type = SRB_ADISC_CMD; sp->name = "adisc"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->done = qla2x00_async_adisc_sp_done; if (data[1] & QLA_LOGIO_LOGIN_RETRIED) lio->u.logio.flags |= SRB_LOGIN_RETRIED; @@ -745,6 +749,8 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + mbx = &sp->u.iocb_cmd; + mbx->timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2); mb = sp->u.iocb_cmd.u.mbx.out_mb; @@ -757,9 +763,6 @@ int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) mb[8] = vha->gnl.size; mb[9] = vha->vp_idx; - mbx = &sp->u.iocb_cmd; - mbx->timeout = qla2x00_async_iocb_timeout; - sp->done = qla24xx_async_gnl_sp_done; rval = qla2x00_start_sp(sp); @@ -887,10 +890,11 @@ qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) sp->type = SRB_PRLI_CMD; sp->name = "prli"; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + sp->done = qla2x00_async_prli_sp_done; lio->u.logio.flags = 0; @@ -955,6 +959,9 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) sp->name = "gpdb"; sp->gen1 = fcport->rscn_gen; sp->gen2 = fcport->login_gen; + + mbx = &sp->u.iocb_cmd; + mbx->timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); @@ -974,8 +981,6 @@ int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) mb[9] = vha->vp_idx; mb[10] = opt; - mbx = &sp->u.iocb_cmd; - mbx->timeout = qla2x00_async_iocb_timeout; mbx->u.mbx.in = (void *)pd; mbx->u.mbx.in_dma = pd_dma; @@ -1490,13 +1495,15 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, tm_iocb = &sp->u.iocb_cmd; sp->type = SRB_TM_CMD; sp->name = "tmf"; + + tm_iocb->timeout = qla2x00_tmf_iocb_timeout; + init_completion(&tm_iocb->u.tmf.comp); qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)); + tm_iocb->u.tmf.flags = flags; tm_iocb->u.tmf.lun = lun; tm_iocb->u.tmf.data = tag; sp->done = qla2x00_tmf_sp_done; - tm_iocb->timeout = qla2x00_tmf_iocb_timeout; - init_completion(&tm_iocb->u.tmf.comp); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) @@ -1550,8 +1557,8 @@ qla24xx_abort_sp_done(void *ptr, int res) srb_t *sp = ptr; struct srb_iocb *abt = &sp->u.iocb_cmd; - del_timer(&sp->u.iocb_cmd.timer); - complete(&abt->u.abt.comp); + if (del_timer(&sp->u.iocb_cmd.timer)) + complete(&abt->u.abt.comp); } int @@ -1570,7 +1577,11 @@ qla24xx_async_abort_cmd(srb_t *cmd_sp) abt_iocb = &sp->u.iocb_cmd; sp->type = SRB_ABT_CMD; sp->name = "abort"; + + abt_iocb->timeout = qla24xx_abort_iocb_timeout; + init_completion(&abt_iocb->u.abt.comp); qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)); + abt_iocb->u.abt.cmd_hndl = cmd_sp->handle; if (vha->flags.qpairs_available && cmd_sp->qpair) @@ -1580,8 +1591,6 @@ qla24xx_async_abort_cmd(srb_t *cmd_sp) abt_iocb->u.abt.req_que_no = cpu_to_le16(vha->req->id); sp->done = qla24xx_abort_sp_done; - abt_iocb->timeout = qla24xx_abort_iocb_timeout; - init_completion(&abt_iocb->u.abt.comp); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index b7a05aebf065..37ae0f6d8ae5 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -272,13 +272,13 @@ qla2x00_init_timer(srb_t *sp, unsigned long tmo) { timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0); sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; - add_timer(&sp->u.iocb_cmd.timer); sp->free = qla2x00_sp_free; init_completion(&sp->comp); if (IS_QLAFX00(sp->vha->hw) && (sp->type == SRB_FXIOCB_DCMD)) init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp); if (sp->type == SRB_ELS_DCMD) init_completion(&sp->u.iocb_cmd.u.els_logo.comp); + add_timer(&sp->u.iocb_cmd.timer); } static inline int diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index f74ff7b550b6..a91cca52b5d5 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2460,8 +2460,8 @@ qla24xx_els_dcmd_iocb(scsi_qla_host_t *vha, int els_opcode, sp->type = SRB_ELS_DCMD; sp->name = "ELS_DCMD"; sp->fcport = fcport; - qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); elsio->timeout = qla2x00_els_dcmd_iocb_timeout; + qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); sp->done = qla2x00_els_dcmd_sp_done; sp->free = qla2x00_els_dcmd_sp_free; @@ -2658,8 +2658,11 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, sp->type = SRB_ELS_DCMD; sp->name = "ELS_DCMD"; sp->fcport = fcport; - qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); + elsio->timeout = qla2x00_els_dcmd2_iocb_timeout; + init_completion(&elsio->u.els_plogi.comp); + qla2x00_init_timer(sp, ELS_DCMD_TIMEOUT); + sp->done = qla2x00_els_dcmd2_sp_done; sp->free = qla2x00_els_dcmd2_sp_free; @@ -2696,7 +2699,6 @@ qla24xx_els_dcmd2_iocb(scsi_qla_host_t *vha, int els_opcode, ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x0109, (uint8_t *)elsio->u.els_plogi.els_plogi_pyld, 0x70); - init_completion(&elsio->u.els_plogi.comp); rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) { rval = QLA_FUNCTION_FAILED; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 7cacdc3408fa..a3dc83f9444d 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -2174,7 +2174,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 0x10, 0x1); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); - cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + cmd->result |= SAM_STAT_CHECK_CONDITION; return 1; } @@ -2184,7 +2184,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 0x10, 0x3); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); - cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + cmd->result |= SAM_STAT_CHECK_CONDITION; return 1; } @@ -2194,7 +2194,7 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 0x10, 0x2); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); - cmd->result |= SAM_STAT_CHECK_CONDITION << 1; + cmd->result |= SAM_STAT_CHECK_CONDITION; return 1; } @@ -2347,7 +2347,7 @@ done: bsg_job->reply_len = sizeof(struct fc_bsg_reply); /* Always return DID_OK, bsg will send the vendor specific response * in this case only */ - sp->done(sp, DID_OK << 6); + sp->done(sp, DID_OK << 16); } diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 5db0262d5c94..d8a36c13aeda 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -6023,14 +6023,14 @@ int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp) sp->type = SRB_MB_IOCB; sp->name = mb_to_str(mcp->mb[0]); - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); - - memcpy(sp->u.iocb_cmd.u.mbx.out_mb, mcp->mb, SIZEOF_IOCB_MB_REG); - c = &sp->u.iocb_cmd; c->timeout = qla2x00_async_iocb_timeout; init_completion(&c->u.mbx.comp); + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + memcpy(sp->u.iocb_cmd.u.mbx.out_mb, mcp->mb, SIZEOF_IOCB_MB_REG); + sp->done = qla2x00_async_mb_sp_done; rval = qla2x00_start_sp(sp); diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index da85cd89639f..f6f0a759a7c2 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -929,8 +929,8 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd) sp->type = SRB_CTRL_VP; sp->name = "ctrl_vp"; sp->done = qla_ctrlvp_sp_done; - qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); sp->u.iocb_cmd.u.ctrlvp.cmd = cmd; sp->u.iocb_cmd.u.ctrlvp.vp_index = vp_index; diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 7113acf42ff3..521a51370554 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -1821,9 +1821,11 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) sp->type = SRB_FXIOCB_DCMD; sp->name = "fxdisc"; - qla2x00_init_timer(sp, FXDISC_TIMEOUT); fdisc = &sp->u.iocb_cmd; + fdisc->timeout = qla2x00_fxdisc_iocb_timeout; + qla2x00_init_timer(sp, FXDISC_TIMEOUT); + switch (fx_type) { case FXDISC_GET_CONFIG_INFO: fdisc->u.fxiocb.flags = @@ -1924,7 +1926,6 @@ qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) goto done_unmap_req; } - fdisc->timeout = qla2x00_fxdisc_iocb_timeout; fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type); sp->done = qla2x00_fxdisc_sp_done; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 2bbf0bff0da0..15eaa6dded04 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -470,9 +470,6 @@ fail_req_map: static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) { - if (!ha->req_q_map) - return; - if (IS_QLAFX00(ha)) { if (req && req->ring_fx00) dma_free_coherent(&ha->pdev->dev, @@ -483,17 +480,14 @@ static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) (req->length + 1) * sizeof(request_t), req->ring, req->dma); - if (req) { + if (req) kfree(req->outstanding_cmds); - kfree(req); - } + + kfree(req); } static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) { - if (!ha->rsp_q_map) - return; - if (IS_QLAFX00(ha)) { if (rsp && rsp->ring_fx00) dma_free_coherent(&ha->pdev->dev, @@ -504,8 +498,7 @@ static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) (rsp->length + 1) * sizeof(response_t), rsp->ring, rsp->dma); } - if (rsp) - kfree(rsp); + kfree(rsp); } static void qla2x00_free_queues(struct qla_hw_data *ha) @@ -3106,7 +3099,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) goto probe_failed; /* Alloc arrays of request and response ring ptrs */ - if (qla2x00_alloc_queues(ha, req, rsp)) { + ret = qla2x00_alloc_queues(ha, req, rsp); + if (ret) { ql_log(ql_log_fatal, base_vha, 0x003d, "Failed to allocate memory for queue pointers..." "aborting.\n"); @@ -3407,8 +3401,15 @@ probe_failed: } qla2x00_free_device(base_vha); - scsi_host_put(base_vha->host); + /* + * Need to NULL out local req/rsp after + * qla2x00_free_device => qla2x00_free_queues frees + * what these are pointing to. Or else we'll + * fall over below in qla2x00_free_req/rsp_que. + */ + req = NULL; + rsp = NULL; probe_hw_failed: qla2x00_mem_free(ha); @@ -4114,6 +4115,7 @@ fail_npiv_info: (*rsp)->dma = 0; fail_rsp_ring: kfree(*rsp); + *rsp = NULL; fail_rsp: dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * sizeof(request_t), (*req)->ring, (*req)->dma); @@ -4121,6 +4123,7 @@ fail_rsp: (*req)->dma = 0; fail_req_ring: kfree(*req); + *req = NULL; fail_req: dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), ha->ct_sns, ha->ct_sns_dma); @@ -4508,16 +4511,11 @@ qla2x00_mem_free(struct qla_hw_data *ha) dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, ha->init_cb_dma); - if (ha->optrom_buffer) - vfree(ha->optrom_buffer); - if (ha->nvram) - kfree(ha->nvram); - if (ha->npiv_info) - kfree(ha->npiv_info); - if (ha->swl) - kfree(ha->swl); - if (ha->loop_id_map) - kfree(ha->loop_id_map); + vfree(ha->optrom_buffer); + kfree(ha->nvram); + kfree(ha->npiv_info); + kfree(ha->swl); + kfree(ha->loop_id_map); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 5546ac9c3d9d..025dc2d3f3de 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -664,10 +664,10 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport, sp->type = type; sp->name = "nack"; + sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2); sp->u.iocb_cmd.u.nack.ntfy = ntfy; - sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout; sp->done = qla2x00_async_nack_sp_done; rval = qla2x00_start_sp(sp); diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index e5370d718058..dd107dc4db0e 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -202,7 +202,7 @@ static struct { {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN}, {"MegaRAID", "LD", NULL, BLIST_FORCELUN}, {"MICROP", "4110", NULL, BLIST_NOTQ}, - {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC}, + {"MSFT", "Virtual HD", NULL, BLIST_MAX_1024 | BLIST_NO_RSOC}, {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2}, {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN}, {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c index b88b5dbbc444..188f30572aa1 100644 --- a/drivers/scsi/scsi_dh.c +++ b/drivers/scsi/scsi_dh.c @@ -112,6 +112,9 @@ static struct scsi_device_handler *scsi_dh_lookup(const char *name) { struct scsi_device_handler *dh; + if (!name || strlen(name) == 0) + return NULL; + dh = __scsi_dh_lookup(name); if (!dh) { request_module("scsi_dh_%s", name); diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 0dfec0dedd5e..e9b4f279d29c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -723,18 +723,25 @@ static bool scsi_end_request(struct request *req, blk_status_t error, } /** - * __scsi_error_from_host_byte - translate SCSI error code into errno - * @cmd: SCSI command (unused) + * scsi_result_to_blk_status - translate a SCSI result code into blk_status_t + * @cmd: SCSI command * @result: scsi error code * - * Translate SCSI error code into block errors. + * Translate a SCSI result code into a blk_status_t value. May reset the host + * byte of @cmd->result. */ -static blk_status_t __scsi_error_from_host_byte(struct scsi_cmnd *cmd, - int result) +static blk_status_t scsi_result_to_blk_status(struct scsi_cmnd *cmd, int result) { switch (host_byte(result)) { case DID_OK: - return BLK_STS_OK; + /* + * Also check the other bytes than the status byte in result + * to handle the case when a SCSI LLD sets result to + * DRIVER_SENSE << 24 without setting SAM_STAT_CHECK_CONDITION. + */ + if (scsi_status_is_good(result) && (result & ~0xff) == 0) + return BLK_STS_OK; + return BLK_STS_IOERR; case DID_TRANSPORT_FAILFAST: return BLK_STS_TRANSPORT; case DID_TARGET_FAILURE: @@ -812,10 +819,10 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) SCSI_SENSE_BUFFERSIZE); } if (!sense_deferred) - error = __scsi_error_from_host_byte(cmd, result); + error = scsi_result_to_blk_status(cmd, result); } /* - * __scsi_error_from_host_byte may have reset the host_byte + * scsi_result_to_blk_status may have reset the host_byte */ scsi_req(req)->result = cmd->result; scsi_req(req)->resid_len = scsi_get_resid(cmd); @@ -837,7 +844,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) * good_bytes != blk_rq_bytes(req) as the signal for an error. * This sets the error explicitly for the problem case. */ - error = __scsi_error_from_host_byte(cmd, result); + error = scsi_result_to_blk_status(cmd, result); } /* no bidi support for !blk_rq_is_passthrough yet */ @@ -907,7 +914,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) if (result == 0) goto requeue; - error = __scsi_error_from_host_byte(cmd, result); + error = scsi_result_to_blk_status(cmd, result); if (host_byte(result) == DID_RESET) { /* Third party bus reset or reset for error recovery diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 0cf25d789d05..3f3cb72e0c0c 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -587,18 +587,28 @@ out: static unsigned int sr_block_check_events(struct gendisk *disk, unsigned int clearing) { - struct scsi_cd *cd = scsi_cd(disk); + unsigned int ret = 0; + struct scsi_cd *cd; - if (atomic_read(&cd->device->disk_events_disable_depth)) + cd = scsi_cd_get(disk); + if (!cd) return 0; - return cdrom_check_events(&cd->cdi, clearing); + if (!atomic_read(&cd->device->disk_events_disable_depth)) + ret = cdrom_check_events(&cd->cdi, clearing); + + scsi_cd_put(cd); + return ret; } static int sr_block_revalidate_disk(struct gendisk *disk) { - struct scsi_cd *cd = scsi_cd(disk); struct scsi_sense_hdr sshdr; + struct scsi_cd *cd; + + cd = scsi_cd_get(disk); + if (!cd) + return -ENXIO; /* if the unit is not ready, nothing more to do */ if (scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr)) @@ -607,6 +617,7 @@ static int sr_block_revalidate_disk(struct gendisk *disk) sr_cd_check(&cd->cdi); get_sectorsize(cd); out: + scsi_cd_put(cd); return 0; } diff --git a/drivers/soc/samsung/pm_domains.c b/drivers/soc/samsung/pm_domains.c index b6a436594a19..caf45cf7aa8e 100644 --- a/drivers/soc/samsung/pm_domains.c +++ b/drivers/soc/samsung/pm_domains.c @@ -147,6 +147,12 @@ static __init const char *exynos_get_domain_name(struct device_node *node) return kstrdup_const(name, GFP_KERNEL); } +static const char *soc_force_no_clk[] = { + "samsung,exynos5250-clock", + "samsung,exynos5420-clock", + "samsung,exynos5800-clock", +}; + static __init int exynos4_pm_init_power_domain(void) { struct device_node *np; @@ -183,6 +189,11 @@ static __init int exynos4_pm_init_power_domain(void) pd->pd.power_on = exynos_pd_power_on; pd->local_pwr_cfg = pm_domain_cfg->local_pwr_cfg; + for (i = 0; i < ARRAY_SIZE(soc_force_no_clk); i++) + if (of_find_compatible_node(NULL, NULL, + soc_force_no_clk[i])) + goto no_clk; + for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) { char clk_name[8]; diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig index b6adc54b96f1..82979880f985 100644 --- a/drivers/thermal/Kconfig +++ b/drivers/thermal/Kconfig @@ -15,6 +15,13 @@ menuconfig THERMAL if THERMAL +config THERMAL_STATISTICS + bool "Thermal state transition statistics" + help + Export thermal state transition statistics information through sysfs. + + If in doubt, say N. + config THERMAL_EMERGENCY_POWEROFF_DELAY_MS int "Emergency poweroff delay in milli-seconds" depends on THERMAL diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index a67781b7a0b2..ee3a215b333a 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -637,6 +637,9 @@ static int imx_thermal_probe(struct platform_device *pdev) regmap_write(map, TEMPSENSE0 + REG_CLR, TEMPSENSE0_POWER_DOWN); regmap_write(map, TEMPSENSE0 + REG_SET, TEMPSENSE0_MEASURE_TEMP); + data->irq_enabled = true; + data->mode = THERMAL_DEVICE_ENABLED; + ret = devm_request_threaded_irq(&pdev->dev, data->irq, imx_thermal_alarm_irq, imx_thermal_alarm_irq_thread, 0, "imx_thermal", data); @@ -649,9 +652,6 @@ static int imx_thermal_probe(struct platform_device *pdev) return ret; } - data->irq_enabled = true; - data->mode = THERMAL_DEVICE_ENABLED; - return 0; } diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 2b1b0ba393a4..d64325e078db 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -972,8 +972,8 @@ __thermal_cooling_device_register(struct device_node *np, cdev->ops = ops; cdev->updated = false; cdev->device.class = &thermal_class; - thermal_cooling_device_setup_sysfs(cdev); cdev->devdata = devdata; + thermal_cooling_device_setup_sysfs(cdev); dev_set_name(&cdev->device, "cooling_device%d", cdev->id); result = device_register(&cdev->device); if (result) { @@ -1106,6 +1106,7 @@ void thermal_cooling_device_unregister(struct thermal_cooling_device *cdev) ida_simple_remove(&thermal_cdev_ida, cdev->id); device_unregister(&cdev->device); + thermal_cooling_device_destroy_sysfs(cdev); } EXPORT_SYMBOL_GPL(thermal_cooling_device_unregister); diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 27e3b1df7360..5e4150261500 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -73,6 +73,7 @@ int thermal_build_list_of_policies(char *buf); int thermal_zone_create_device_groups(struct thermal_zone_device *, int); void thermal_zone_destroy_device_groups(struct thermal_zone_device *); void thermal_cooling_device_setup_sysfs(struct thermal_cooling_device *); +void thermal_cooling_device_destroy_sysfs(struct thermal_cooling_device *cdev); /* used only at binding time */ ssize_t thermal_cooling_device_trip_point_show(struct device *, @@ -84,6 +85,15 @@ ssize_t thermal_cooling_device_weight_store(struct device *, struct device_attribute *, const char *, size_t); +#ifdef CONFIG_THERMAL_STATISTICS +void thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev, + unsigned long new_state); +#else +static inline void +thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev, + unsigned long new_state) {} +#endif /* CONFIG_THERMAL_STATISTICS */ + #ifdef CONFIG_THERMAL_GOV_STEP_WISE int thermal_gov_step_wise_register(void); void thermal_gov_step_wise_unregister(void); diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c index 8cdf75adcce1..eb03d7e099bb 100644 --- a/drivers/thermal/thermal_helpers.c +++ b/drivers/thermal/thermal_helpers.c @@ -187,7 +187,10 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev) if (instance->target > target) target = instance->target; } - cdev->ops->set_cur_state(cdev, target); + + if (!cdev->ops->set_cur_state(cdev, target)) + thermal_cooling_device_stats_update(cdev, target); + cdev->updated = true; mutex_unlock(&cdev->lock); trace_cdev_update(cdev, target); diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c index ba81c9080f6e..23b5e0a709b0 100644 --- a/drivers/thermal/thermal_sysfs.c +++ b/drivers/thermal/thermal_sysfs.c @@ -20,6 +20,7 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/jiffies.h> #include "thermal_core.h" @@ -721,6 +722,7 @@ thermal_cooling_device_cur_state_store(struct device *dev, result = cdev->ops->set_cur_state(cdev, state); if (result) return result; + thermal_cooling_device_stats_update(cdev, state); return count; } @@ -745,14 +747,237 @@ static const struct attribute_group cooling_device_attr_group = { static const struct attribute_group *cooling_device_attr_groups[] = { &cooling_device_attr_group, + NULL, /* Space allocated for cooling_device_stats_attr_group */ NULL, }; +#ifdef CONFIG_THERMAL_STATISTICS +struct cooling_dev_stats { + spinlock_t lock; + unsigned int total_trans; + unsigned long state; + unsigned long max_states; + ktime_t last_time; + ktime_t *time_in_state; + unsigned int *trans_table; +}; + +static void update_time_in_state(struct cooling_dev_stats *stats) +{ + ktime_t now = ktime_get(), delta; + + delta = ktime_sub(now, stats->last_time); + stats->time_in_state[stats->state] = + ktime_add(stats->time_in_state[stats->state], delta); + stats->last_time = now; +} + +void thermal_cooling_device_stats_update(struct thermal_cooling_device *cdev, + unsigned long new_state) +{ + struct cooling_dev_stats *stats = cdev->stats; + + spin_lock(&stats->lock); + + if (stats->state == new_state) + goto unlock; + + update_time_in_state(stats); + stats->trans_table[stats->state * stats->max_states + new_state]++; + stats->state = new_state; + stats->total_trans++; + +unlock: + spin_unlock(&stats->lock); +} + +static ssize_t +thermal_cooling_device_total_trans_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct thermal_cooling_device *cdev = to_cooling_device(dev); + struct cooling_dev_stats *stats = cdev->stats; + int ret; + + spin_lock(&stats->lock); + ret = sprintf(buf, "%u\n", stats->total_trans); + spin_unlock(&stats->lock); + + return ret; +} + +static ssize_t +thermal_cooling_device_time_in_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct thermal_cooling_device *cdev = to_cooling_device(dev); + struct cooling_dev_stats *stats = cdev->stats; + ssize_t len = 0; + int i; + + spin_lock(&stats->lock); + update_time_in_state(stats); + + for (i = 0; i < stats->max_states; i++) { + len += sprintf(buf + len, "state%u\t%llu\n", i, + ktime_to_ms(stats->time_in_state[i])); + } + spin_unlock(&stats->lock); + + return len; +} + +static ssize_t +thermal_cooling_device_reset_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct thermal_cooling_device *cdev = to_cooling_device(dev); + struct cooling_dev_stats *stats = cdev->stats; + int i, states = stats->max_states; + + spin_lock(&stats->lock); + + stats->total_trans = 0; + stats->last_time = ktime_get(); + memset(stats->trans_table, 0, + states * states * sizeof(*stats->trans_table)); + + for (i = 0; i < stats->max_states; i++) + stats->time_in_state[i] = ktime_set(0, 0); + + spin_unlock(&stats->lock); + + return count; +} + +static ssize_t +thermal_cooling_device_trans_table_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct thermal_cooling_device *cdev = to_cooling_device(dev); + struct cooling_dev_stats *stats = cdev->stats; + ssize_t len = 0; + int i, j; + + len += snprintf(buf + len, PAGE_SIZE - len, " From : To\n"); + len += snprintf(buf + len, PAGE_SIZE - len, " : "); + for (i = 0; i < stats->max_states; i++) { + if (len >= PAGE_SIZE) + break; + len += snprintf(buf + len, PAGE_SIZE - len, "state%2u ", i); + } + if (len >= PAGE_SIZE) + return PAGE_SIZE; + + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + + for (i = 0; i < stats->max_states; i++) { + if (len >= PAGE_SIZE) + break; + + len += snprintf(buf + len, PAGE_SIZE - len, "state%2u:", i); + + for (j = 0; j < stats->max_states; j++) { + if (len >= PAGE_SIZE) + break; + len += snprintf(buf + len, PAGE_SIZE - len, "%8u ", + stats->trans_table[i * stats->max_states + j]); + } + if (len >= PAGE_SIZE) + break; + len += snprintf(buf + len, PAGE_SIZE - len, "\n"); + } + + if (len >= PAGE_SIZE) { + pr_warn_once("Thermal transition table exceeds PAGE_SIZE. Disabling\n"); + return -EFBIG; + } + return len; +} + +static DEVICE_ATTR(total_trans, 0444, thermal_cooling_device_total_trans_show, + NULL); +static DEVICE_ATTR(time_in_state_ms, 0444, + thermal_cooling_device_time_in_state_show, NULL); +static DEVICE_ATTR(reset, 0200, NULL, thermal_cooling_device_reset_store); +static DEVICE_ATTR(trans_table, 0444, + thermal_cooling_device_trans_table_show, NULL); + +static struct attribute *cooling_device_stats_attrs[] = { + &dev_attr_total_trans.attr, + &dev_attr_time_in_state_ms.attr, + &dev_attr_reset.attr, + &dev_attr_trans_table.attr, + NULL +}; + +static const struct attribute_group cooling_device_stats_attr_group = { + .attrs = cooling_device_stats_attrs, + .name = "stats" +}; + +static void cooling_device_stats_setup(struct thermal_cooling_device *cdev) +{ + struct cooling_dev_stats *stats; + unsigned long states; + int var; + + if (cdev->ops->get_max_state(cdev, &states)) + return; + + states++; /* Total number of states is highest state + 1 */ + + var = sizeof(*stats); + var += sizeof(*stats->time_in_state) * states; + var += sizeof(*stats->trans_table) * states * states; + + stats = kzalloc(var, GFP_KERNEL); + if (!stats) + return; + + stats->time_in_state = (ktime_t *)(stats + 1); + stats->trans_table = (unsigned int *)(stats->time_in_state + states); + cdev->stats = stats; + stats->last_time = ktime_get(); + stats->max_states = states; + + spin_lock_init(&stats->lock); + + /* Fill the empty slot left in cooling_device_attr_groups */ + var = ARRAY_SIZE(cooling_device_attr_groups) - 2; + cooling_device_attr_groups[var] = &cooling_device_stats_attr_group; +} + +static void cooling_device_stats_destroy(struct thermal_cooling_device *cdev) +{ + kfree(cdev->stats); + cdev->stats = NULL; +} + +#else + +static inline void +cooling_device_stats_setup(struct thermal_cooling_device *cdev) {} +static inline void +cooling_device_stats_destroy(struct thermal_cooling_device *cdev) {} + +#endif /* CONFIG_THERMAL_STATISTICS */ + void thermal_cooling_device_setup_sysfs(struct thermal_cooling_device *cdev) { + cooling_device_stats_setup(cdev); cdev->device.groups = cooling_device_attr_groups; } +void thermal_cooling_device_destroy_sysfs(struct thermal_cooling_device *cdev) +{ + cooling_device_stats_destroy(cdev); +} + /* these helper will be used only at the time of bindig */ ssize_t thermal_cooling_device_trip_point_show(struct device *dev, diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 66a7f5a2f474..9af07fd92763 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -514,6 +514,17 @@ config COH901327_WATCHDOG This watchdog is used to reset the system and thus cannot be compiled as a module. +config NPCM7XX_WATCHDOG + bool "Nuvoton NPCM750 watchdog" + depends on ARCH_NPCM || COMPILE_TEST + default y if ARCH_NPCM750 + select WATCHDOG_CORE + help + Say Y here to include Watchdog timer support for the + watchdog embedded into the NPCM7xx. + This watchdog is used to reset the system and thus cannot be + compiled as a module. + config TWL4030_WATCHDOG tristate "TWL4030 Watchdog" depends on TWL4030_CORE @@ -1102,6 +1113,7 @@ config IT87_WDT config HP_WATCHDOG tristate "HP ProLiant iLO2+ Hardware Watchdog Timer" + select WATCHDOG_CORE depends on X86 && PCI help A software monitoring watchdog and NMI sourcing driver. This driver diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index e4dd91f5585a..1d3c6b094fe5 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o obj-$(CONFIG_SUNXI_WATCHDOG) += sunxi_wdt.o obj-$(CONFIG_RN5T618_WATCHDOG) += rn5t618_wdt.o obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o +obj-$(CONFIG_NPCM7XX_WATCHDOG) += npcm_wdt.o obj-$(CONFIG_STMP3XXX_RTC_WATCHDOG) += stmp3xxx_rtc_wdt.o obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o obj-$(CONFIG_TS4800_WATCHDOG) += ts4800_wdt.o diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c index 6d5ae251e309..ee1ab12ab04f 100644 --- a/drivers/watchdog/ar7_wdt.c +++ b/drivers/watchdog/ar7_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * drivers/watchdog/ar7_wdt.c * @@ -8,19 +9,6 @@ * National Semiconductor SCx200 Watchdog support * Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/asm9260_wdt.c b/drivers/watchdog/asm9260_wdt.c index 7dd0da644a7f..2cf56b459d84 100644 --- a/drivers/watchdog/asm9260_wdt.c +++ b/drivers/watchdog/asm9260_wdt.c @@ -292,14 +292,14 @@ static int asm9260_wdt_probe(struct platform_device *pdev) if (IS_ERR(priv->iobase)) return PTR_ERR(priv->iobase); - ret = asm9260_wdt_get_dt_clks(priv); - if (ret) - return ret; - priv->rst = devm_reset_control_get_exclusive(&pdev->dev, "wdt_rst"); if (IS_ERR(priv->rst)) return PTR_ERR(priv->rst); + ret = asm9260_wdt_get_dt_clks(priv); + if (ret) + return ret; + wdd = &priv->wdd; wdd->info = &asm9260_wdt_ident; wdd->ops = &asm9260_wdt_ops; diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c index ca5b91e2eb92..a5b8eb21201f 100644 --- a/drivers/watchdog/aspeed_wdt.c +++ b/drivers/watchdog/aspeed_wdt.c @@ -46,6 +46,7 @@ MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table); #define WDT_RELOAD_VALUE 0x04 #define WDT_RESTART 0x08 #define WDT_CTRL 0x0C +#define WDT_CTRL_BOOT_SECONDARY BIT(7) #define WDT_CTRL_RESET_MODE_SOC (0x00 << 5) #define WDT_CTRL_RESET_MODE_FULL_CHIP (0x01 << 5) #define WDT_CTRL_RESET_MODE_ARM_CPU (0x10 << 5) @@ -158,6 +159,7 @@ static int aspeed_wdt_restart(struct watchdog_device *wdd, { struct aspeed_wdt *wdt = to_aspeed_wdt(wdd); + wdt->ctrl &= ~WDT_CTRL_BOOT_SECONDARY; aspeed_wdt_enable(wdt, 128 * WDT_RATE_1MHZ / 1000); mdelay(1000); @@ -232,16 +234,21 @@ static int aspeed_wdt_probe(struct platform_device *pdev) wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC | WDT_CTRL_RESET_SYSTEM; } else { if (!strcmp(reset_type, "cpu")) - wdt->ctrl |= WDT_CTRL_RESET_MODE_ARM_CPU; + wdt->ctrl |= WDT_CTRL_RESET_MODE_ARM_CPU | + WDT_CTRL_RESET_SYSTEM; else if (!strcmp(reset_type, "soc")) - wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC; + wdt->ctrl |= WDT_CTRL_RESET_MODE_SOC | + WDT_CTRL_RESET_SYSTEM; else if (!strcmp(reset_type, "system")) - wdt->ctrl |= WDT_CTRL_RESET_SYSTEM; + wdt->ctrl |= WDT_CTRL_RESET_MODE_FULL_CHIP | + WDT_CTRL_RESET_SYSTEM; else if (strcmp(reset_type, "none")) return -EINVAL; } if (of_property_read_bool(np, "aspeed,external-signal")) wdt->ctrl |= WDT_CTRL_WDT_EXT; + if (of_property_read_bool(np, "aspeed,alt-boot")) + wdt->ctrl |= WDT_CTRL_BOOT_SECONDARY; if (readl(wdt->base + WDT_CTRL) & WDT_CTRL_ENABLE) { /* diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c index e12a797cb820..b45fc0aee667 100644 --- a/drivers/watchdog/at91rm9200_wdt.c +++ b/drivers/watchdog/at91rm9200_wdt.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for Atmel AT91RM9200 (Thunder) * * Copyright (C) 2003 SAN People (Pty) Ltd * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index 88c05d0448b2..f4050a229eb5 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for Atmel AT91SAM9x processors. * * Copyright (C) 2008 Renaud CERRATO r.cerrato@til-technologies.fr * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ /* diff --git a/drivers/watchdog/at91sam9_wdt.h b/drivers/watchdog/at91sam9_wdt.h index b79a83b467ce..390941c65eee 100644 --- a/drivers/watchdog/at91sam9_wdt.h +++ b/drivers/watchdog/at91sam9_wdt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * drivers/watchdog/at91sam9_wdt.h * @@ -7,10 +8,6 @@ * Watchdog Timer (WDT) - System peripherals regsters. * Based on AT91SAM9261 datasheet revision D. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef AT91_WDT_H diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c index b339e0e67b4c..ed05514cc2dc 100644 --- a/drivers/watchdog/bcm2835_wdt.c +++ b/drivers/watchdog/bcm2835_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for Broadcom BCM2835 * @@ -7,10 +8,6 @@ * * Copyright (C) 2013 Lubomir Rintel <lkundrak@v3.sk> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/delay.h> diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c index f41b756d6dd5..05425c1dfd4c 100644 --- a/drivers/watchdog/bcm47xx_wdt.c +++ b/drivers/watchdog/bcm47xx_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for Broadcom BCM47XX * @@ -5,10 +6,6 @@ * Copyright (C) 2009 Matthieu CASTET <castet.matthieu@free.fr> * Copyright (C) 2012-2013 Hauke Mehrtens <hauke@hauke-m.de> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/bcm63xx_wdt.c b/drivers/watchdog/bcm63xx_wdt.c index 8555afc70f9b..d3c1113e774c 100644 --- a/drivers/watchdog/bcm63xx_wdt.c +++ b/drivers/watchdog/bcm63xx_wdt.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Broadcom BCM63xx SoC watchdog driver * * Copyright (C) 2007, Miguel Gaio <miguel.gaio@efixo.com> * Copyright (C) 2008, Florian Fainelli <florian@openwrt.org> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/watchdog/bcm7038_wdt.c b/drivers/watchdog/bcm7038_wdt.c index f88f546e8050..ce3f646e8077 100644 --- a/drivers/watchdog/bcm7038_wdt.c +++ b/drivers/watchdog/bcm7038_wdt.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Broadcom Corporation * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk.h> @@ -235,6 +227,6 @@ module_platform_driver(bcm7038_wdt_driver); module_param(nowayout, bool, 0); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Driver for Broadcom 7038 SoCs Watchdog"); MODULE_AUTHOR("Justin Chen"); diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c index a5775dfd8d5f..1462be9e6fc5 100644 --- a/drivers/watchdog/bcm_kona_wdt.c +++ b/drivers/watchdog/bcm_kona_wdt.c @@ -1,14 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2013 Broadcom Corporation * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/debugfs.h> diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c index 064cf7b6c1c5..3ec1f418837d 100644 --- a/drivers/watchdog/cadence_wdt.c +++ b/drivers/watchdog/cadence_wdt.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cadence WDT driver - Used by Xilinx Zynq * * Copyright (C) 2010 - 2014 Xilinx, Inc. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/clk.h> diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c index 4410337f4f7f..e3a78f927f83 100644 --- a/drivers/watchdog/coh901327_wdt.c +++ b/drivers/watchdog/coh901327_wdt.c @@ -1,8 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * coh901327_wdt.c * * Copyright (C) 2008-2009 ST-Ericsson AB - * License terms: GNU General Public License (GPL) version 2 * Watchdog driver for the ST-Ericsson AB COH 901 327 IP core * Author: Linus Walleij <linus.walleij@stericsson.com> */ @@ -67,7 +67,9 @@ #define U300_WDOG_IFR_WILL_BARK_IRQ_FORCE_ENABLE 0x0001U /* Default timeout in seconds = 1 minute */ -static unsigned int margin = 60; +#define U300_WDOG_DEFAULT_TIMEOUT 60 + +static unsigned int margin; static int irq; static void __iomem *virtbase; static struct device *parent; @@ -235,8 +237,9 @@ static struct watchdog_device coh901327_wdt = { * timeout register is max * 0x7FFF = 327670ms ~= 327s. */ - .min_timeout = 0, + .min_timeout = 1, .max_timeout = 327, + .timeout = U300_WDOG_DEFAULT_TIMEOUT, }; static int __exit coh901327_remove(struct platform_device *pdev) @@ -315,16 +318,15 @@ static int __init coh901327_probe(struct platform_device *pdev) goto out_no_irq; } - ret = watchdog_init_timeout(&coh901327_wdt, margin, dev); - if (ret < 0) - coh901327_wdt.timeout = 60; + watchdog_init_timeout(&coh901327_wdt, margin, dev); coh901327_wdt.parent = dev; ret = watchdog_register_device(&coh901327_wdt); if (ret) goto out_no_wdog; - dev_info(dev, "initialized. timer margin=%d sec\n", margin); + dev_info(dev, "initialized. (timeout=%d sec)\n", + coh901327_wdt.timeout); return 0; out_no_wdog: @@ -419,5 +421,5 @@ MODULE_DESCRIPTION("COH 901 327 Watchdog"); module_param(margin, uint, 0); MODULE_PARM_DESC(margin, "Watchdog margin in seconds (default 60s)"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:coh901327-watchdog"); diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c index d6d5006efa71..e263bad99574 100644 --- a/drivers/watchdog/da9052_wdt.c +++ b/drivers/watchdog/da9052_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * System monitoring driver for DA9052 PMICs. * @@ -5,11 +6,6 @@ * * Author: Anthony Olech <Anthony.Olech@diasemi.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/module.h> diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c index 50bdd1022186..26a5b2984094 100644 --- a/drivers/watchdog/da9055_wdt.c +++ b/drivers/watchdog/da9055_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * System monitoring driver for DA9055 PMICs. * @@ -5,11 +6,6 @@ * * Author: David Dajun Chen <dchen@diasemi.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/module.h> diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c index 814dff6045a4..a001782bbfdb 100644 --- a/drivers/watchdog/da9062_wdt.c +++ b/drivers/watchdog/da9062_wdt.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog device driver for DA9062 and DA9061 PMICs * Copyright (C) 2015 Dialog Semiconductor Ltd. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> diff --git a/drivers/watchdog/da9063_wdt.c b/drivers/watchdog/da9063_wdt.c index 2a20fc163ed0..b17ac1bb1f28 100644 --- a/drivers/watchdog/da9063_wdt.c +++ b/drivers/watchdog/da9063_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for DA9063 PMICs. * @@ -5,10 +6,6 @@ * * Author: Mariusz Wojtasik <mariusz.wojtasik@diasemi.com> * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c index 3e4c592c239f..6c6594261cb7 100644 --- a/drivers/watchdog/davinci_wdt.c +++ b/drivers/watchdog/davinci_wdt.c @@ -236,15 +236,22 @@ static int davinci_wdt_probe(struct platform_device *pdev) wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); davinci_wdt->base = devm_ioremap_resource(dev, wdt_mem); - if (IS_ERR(davinci_wdt->base)) - return PTR_ERR(davinci_wdt->base); + if (IS_ERR(davinci_wdt->base)) { + ret = PTR_ERR(davinci_wdt->base); + goto err_clk_disable; + } ret = watchdog_register_device(wdd); - if (ret < 0) { - clk_disable_unprepare(davinci_wdt->clk); + if (ret) { dev_err(dev, "cannot register watchdog device\n"); + goto err_clk_disable; } + return 0; + +err_clk_disable: + clk_disable_unprepare(davinci_wdt->clk); + return ret; } diff --git a/drivers/watchdog/digicolor_wdt.c b/drivers/watchdog/digicolor_wdt.c index 5e4ef93caa02..a9e11df155b8 100644 --- a/drivers/watchdog/digicolor_wdt.c +++ b/drivers/watchdog/digicolor_wdt.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for Conexant Digicolor * * Copyright (C) 2015 Paradox Innovation Ltd. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/types.h> diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c index c2f4ff516230..501aebb5b81f 100644 --- a/drivers/watchdog/dw_wdt.c +++ b/drivers/watchdog/dw_wdt.c @@ -34,6 +34,7 @@ #define WDOG_CONTROL_REG_OFFSET 0x00 #define WDOG_CONTROL_REG_WDT_EN_MASK 0x01 +#define WDOG_CONTROL_REG_RESP_MODE_MASK 0x02 #define WDOG_TIMEOUT_RANGE_REG_OFFSET 0x04 #define WDOG_TIMEOUT_RANGE_TOPINIT_SHIFT 4 #define WDOG_CURRENT_COUNT_REG_OFFSET 0x08 @@ -56,6 +57,9 @@ struct dw_wdt { unsigned long rate; struct watchdog_device wdd; struct reset_control *rst; + /* Save/restore */ + u32 control; + u32 timeout; }; #define to_dw_wdt(wdd) container_of(wdd, struct dw_wdt, wdd) @@ -121,14 +125,23 @@ static int dw_wdt_set_timeout(struct watchdog_device *wdd, unsigned int top_s) return 0; } +static void dw_wdt_arm_system_reset(struct dw_wdt *dw_wdt) +{ + u32 val = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); + + /* Disable interrupt mode; always perform system reset. */ + val &= ~WDOG_CONTROL_REG_RESP_MODE_MASK; + /* Enable watchdog. */ + val |= WDOG_CONTROL_REG_WDT_EN_MASK; + writel(val, dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); +} + static int dw_wdt_start(struct watchdog_device *wdd) { struct dw_wdt *dw_wdt = to_dw_wdt(wdd); dw_wdt_set_timeout(wdd, wdd->timeout); - - writel(WDOG_CONTROL_REG_WDT_EN_MASK, - dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); + dw_wdt_arm_system_reset(dw_wdt); return 0; } @@ -152,16 +165,13 @@ static int dw_wdt_restart(struct watchdog_device *wdd, unsigned long action, void *data) { struct dw_wdt *dw_wdt = to_dw_wdt(wdd); - u32 val; writel(0, dw_wdt->regs + WDOG_TIMEOUT_RANGE_REG_OFFSET); - val = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); - if (val & WDOG_CONTROL_REG_WDT_EN_MASK) + if (dw_wdt_is_enabled(dw_wdt)) writel(WDOG_COUNTER_RESTART_KICK_VALUE, dw_wdt->regs + WDOG_COUNTER_RESTART_REG_OFFSET); else - writel(WDOG_CONTROL_REG_WDT_EN_MASK, - dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); + dw_wdt_arm_system_reset(dw_wdt); /* wait for reset to assert... */ mdelay(500); @@ -198,6 +208,9 @@ static int dw_wdt_suspend(struct device *dev) { struct dw_wdt *dw_wdt = dev_get_drvdata(dev); + dw_wdt->control = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); + dw_wdt->timeout = readl(dw_wdt->regs + WDOG_TIMEOUT_RANGE_REG_OFFSET); + clk_disable_unprepare(dw_wdt->clk); return 0; @@ -211,6 +224,9 @@ static int dw_wdt_resume(struct device *dev) if (err) return err; + writel(dw_wdt->timeout, dw_wdt->regs + WDOG_TIMEOUT_RANGE_REG_OFFSET); + writel(dw_wdt->control, dw_wdt->regs + WDOG_CONTROL_REG_OFFSET); + dw_wdt_ping(&dw_wdt->wdd); return 0; diff --git a/drivers/watchdog/ebc-c384_wdt.c b/drivers/watchdog/ebc-c384_wdt.c index 2170b275ea01..4c4c8ce78021 100644 --- a/drivers/watchdog/ebc-c384_wdt.c +++ b/drivers/watchdog/ebc-c384_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Watchdog timer driver for the WinSystems EBC-C384 * Copyright (C) 2016 William Breathitt Gray diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c index 3a33c5344bd5..9a1c761258ce 100644 --- a/drivers/watchdog/f71808e_wdt.c +++ b/drivers/watchdog/f71808e_wdt.c @@ -496,7 +496,7 @@ static bool watchdog_is_running(void) is_running = (superio_inb(watchdog.sioaddr, SIO_REG_ENABLE) & BIT(0)) && (superio_inb(watchdog.sioaddr, F71808FG_REG_WDT_CONF) - & F71808FG_FLAG_WD_EN); + & BIT(F71808FG_FLAG_WD_EN)); superio_exit(watchdog.sioaddr); diff --git a/drivers/watchdog/gpio_wdt.c b/drivers/watchdog/gpio_wdt.c index 3ade28190341..ea77cae03c9d 100644 --- a/drivers/watchdog/gpio_wdt.c +++ b/drivers/watchdog/gpio_wdt.c @@ -152,9 +152,9 @@ static int gpio_wdt_probe(struct platform_device *pdev) priv->wdd.min_timeout = SOFT_TIMEOUT_MIN; priv->wdd.max_hw_heartbeat_ms = hw_margin; priv->wdd.parent = dev; + priv->wdd.timeout = SOFT_TIMEOUT_DEF; - if (watchdog_init_timeout(&priv->wdd, 0, dev) < 0) - priv->wdd.timeout = SOFT_TIMEOUT_DEF; + watchdog_init_timeout(&priv->wdd, 0, &pdev->dev); watchdog_stop_on_reboot(&priv->wdd); diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index b0a158073abd..a43ab2cecca2 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -4,7 +4,7 @@ * * SoftDog 0.05: A Software Watchdog Device * - * (c) Copyright 2015 Hewlett Packard Enterprise Development LP + * (c) Copyright 2018 Hewlett Packard Enterprise Development LP * Thomas Mingarelli <thomas.mingarelli@hpe.com> * * This program is free software; you can redistribute it and/or @@ -16,34 +16,27 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/device.h> -#include <linux/fs.h> #include <linux/io.h> -#include <linux/bitops.h> #include <linux/kernel.h> -#include <linux/miscdevice.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> #include <linux/pci_ids.h> #include <linux/types.h> -#include <linux/uaccess.h> #include <linux/watchdog.h> #include <asm/nmi.h> -#define HPWDT_VERSION "1.4.0" +#define HPWDT_VERSION "2.0.0" #define SECS_TO_TICKS(secs) ((secs) * 1000 / 128) #define TICKS_TO_SECS(ticks) ((ticks) * 128 / 1000) #define HPWDT_MAX_TIMER TICKS_TO_SECS(65535) #define DEFAULT_MARGIN 30 +#define PRETIMEOUT_SEC 9 +static bool ilo5; static unsigned int soft_margin = DEFAULT_MARGIN; /* in seconds */ -static unsigned int reload; /* the computed soft_margin */ static bool nowayout = WATCHDOG_NOWAYOUT; -#ifdef CONFIG_HPWDT_NMI_DECODING -static unsigned int allow_kdump = 1; -#endif -static char expect_release; -static unsigned long hpwdt_is_open; +static bool pretimeout = IS_ENABLED(CONFIG_HPWDT_NMI_DECODING); static void __iomem *pci_mem_addr; /* the PCI-memory address */ static unsigned long __iomem *hpwdt_nmistat; @@ -61,48 +54,92 @@ MODULE_DEVICE_TABLE(pci, hpwdt_devices); /* * Watchdog operations */ -static void hpwdt_start(void) +static int hpwdt_start(struct watchdog_device *wdd) { - reload = SECS_TO_TICKS(soft_margin); + int control = 0x81 | (pretimeout ? 0x4 : 0); + int reload = SECS_TO_TICKS(wdd->timeout); + + dev_dbg(wdd->parent, "start watchdog 0x%08x:0x%02x\n", reload, control); iowrite16(reload, hpwdt_timer_reg); - iowrite8(0x85, hpwdt_timer_con); + iowrite8(control, hpwdt_timer_con); + + return 0; } static void hpwdt_stop(void) { unsigned long data; + pr_debug("stop watchdog\n"); + data = ioread8(hpwdt_timer_con); data &= 0xFE; iowrite8(data, hpwdt_timer_con); } -static void hpwdt_ping(void) +static int hpwdt_stop_core(struct watchdog_device *wdd) { - iowrite16(reload, hpwdt_timer_reg); + hpwdt_stop(); + + return 0; } -static int hpwdt_change_timer(int new_margin) +static int hpwdt_ping(struct watchdog_device *wdd) { - if (new_margin < 1 || new_margin > HPWDT_MAX_TIMER) { - pr_warn("New value passed in is invalid: %d seconds\n", - new_margin); - return -EINVAL; - } + int reload = SECS_TO_TICKS(wdd->timeout); - soft_margin = new_margin; - pr_debug("New timer passed in is %d seconds\n", new_margin); - reload = SECS_TO_TICKS(soft_margin); + dev_dbg(wdd->parent, "ping watchdog 0x%08x\n", reload); + iowrite16(reload, hpwdt_timer_reg); return 0; } -static int hpwdt_time_left(void) +static unsigned int hpwdt_gettimeleft(struct watchdog_device *wdd) { return TICKS_TO_SECS(ioread16(hpwdt_timer_reg)); } +static int hpwdt_settimeout(struct watchdog_device *wdd, unsigned int val) +{ + dev_dbg(wdd->parent, "set_timeout = %d\n", val); + + wdd->timeout = val; + if (val <= wdd->pretimeout) { + dev_dbg(wdd->parent, "pretimeout < timeout. Setting to zero\n"); + wdd->pretimeout = 0; + pretimeout = 0; + if (watchdog_active(wdd)) + hpwdt_start(wdd); + } + hpwdt_ping(wdd); + + return 0; +} + #ifdef CONFIG_HPWDT_NMI_DECODING +static int hpwdt_set_pretimeout(struct watchdog_device *wdd, unsigned int req) +{ + unsigned int val = 0; + + dev_dbg(wdd->parent, "set_pretimeout = %d\n", req); + if (req) { + val = PRETIMEOUT_SEC; + if (val >= wdd->timeout) + return -EINVAL; + } + + if (val != req) + dev_dbg(wdd->parent, "Rounding pretimeout to: %d\n", val); + + wdd->pretimeout = val; + pretimeout = !!val; + + if (watchdog_active(wdd)) + hpwdt_start(wdd); + + return 0; +} + static int hpwdt_my_nmi(void) { return ioread8(hpwdt_nmistat) & 0x6; @@ -113,178 +150,71 @@ static int hpwdt_my_nmi(void) */ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs) { - if ((ulReason == NMI_UNKNOWN) && !hpwdt_my_nmi()) - return NMI_DONE; - - if (allow_kdump) - hpwdt_stop(); - - nmi_panic(regs, "An NMI occurred. Depending on your system the reason " - "for the NMI is logged in any one of the following " - "resources:\n" + unsigned int mynmi = hpwdt_my_nmi(); + static char panic_msg[] = + "00: An NMI occurred. Depending on your system the reason " + "for the NMI is logged in any one of the following resources:\n" "1. Integrated Management Log (IML)\n" "2. OA Syslog\n" "3. OA Forward Progress Log\n" - "4. iLO Event Log"); - - return NMI_HANDLED; -} -#endif /* CONFIG_HPWDT_NMI_DECODING */ - -/* - * /dev/watchdog handling - */ -static int hpwdt_open(struct inode *inode, struct file *file) -{ - /* /dev/watchdog can only be opened once */ - if (test_and_set_bit(0, &hpwdt_is_open)) - return -EBUSY; + "4. iLO Event Log"; - /* Start the watchdog */ - hpwdt_start(); - hpwdt_ping(); - - return nonseekable_open(inode, file); -} + if (ilo5 && ulReason == NMI_UNKNOWN && mynmi) + return NMI_DONE; -static int hpwdt_release(struct inode *inode, struct file *file) -{ - /* Stop the watchdog */ - if (expect_release == 42) { - hpwdt_stop(); - } else { - pr_crit("Unexpected close, not stopping watchdog!\n"); - hpwdt_ping(); - } + if (ilo5 && !pretimeout) + return NMI_DONE; - expect_release = 0; + hpwdt_stop(); - /* /dev/watchdog is being closed, make sure it can be re-opened */ - clear_bit(0, &hpwdt_is_open); + hex_byte_pack(panic_msg, mynmi); + nmi_panic(regs, panic_msg); - return 0; + return NMI_HANDLED; } +#endif /* CONFIG_HPWDT_NMI_DECODING */ -static ssize_t hpwdt_write(struct file *file, const char __user *data, - size_t len, loff_t *ppos) -{ - /* See if we got the magic character 'V' and reload the timer */ - if (len) { - if (!nowayout) { - size_t i; - - /* note: just in case someone wrote the magic character - * five months ago... */ - expect_release = 0; - - /* scan to see whether or not we got the magic char. */ - for (i = 0; i != len; i++) { - char c; - if (get_user(c, data + i)) - return -EFAULT; - if (c == 'V') - expect_release = 42; - } - } - - /* someone wrote to us, we should reload the timer */ - hpwdt_ping(); - } - - return len; -} static const struct watchdog_info ident = { - .options = WDIOF_SETTIMEOUT | + .options = WDIOF_PRETIMEOUT | + WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE, .identity = "HPE iLO2+ HW Watchdog Timer", }; -static long hpwdt_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) -{ - void __user *argp = (void __user *)arg; - int __user *p = argp; - int new_margin, options; - int ret = -ENOTTY; - - switch (cmd) { - case WDIOC_GETSUPPORT: - ret = 0; - if (copy_to_user(argp, &ident, sizeof(ident))) - ret = -EFAULT; - break; - - case WDIOC_GETSTATUS: - case WDIOC_GETBOOTSTATUS: - ret = put_user(0, p); - break; - - case WDIOC_KEEPALIVE: - hpwdt_ping(); - ret = 0; - break; - - case WDIOC_SETOPTIONS: - ret = get_user(options, p); - if (ret) - break; - - if (options & WDIOS_DISABLECARD) - hpwdt_stop(); - - if (options & WDIOS_ENABLECARD) { - hpwdt_start(); - hpwdt_ping(); - } - break; - - case WDIOC_SETTIMEOUT: - ret = get_user(new_margin, p); - if (ret) - break; - - ret = hpwdt_change_timer(new_margin); - if (ret) - break; - - hpwdt_ping(); - /* Fall */ - case WDIOC_GETTIMEOUT: - ret = put_user(soft_margin, p); - break; - - case WDIOC_GETTIMELEFT: - ret = put_user(hpwdt_time_left(), p); - break; - } - return ret; -} - /* * Kernel interfaces */ -static const struct file_operations hpwdt_fops = { - .owner = THIS_MODULE, - .llseek = no_llseek, - .write = hpwdt_write, - .unlocked_ioctl = hpwdt_ioctl, - .open = hpwdt_open, - .release = hpwdt_release, + +static const struct watchdog_ops hpwdt_ops = { + .owner = THIS_MODULE, + .start = hpwdt_start, + .stop = hpwdt_stop_core, + .ping = hpwdt_ping, + .set_timeout = hpwdt_settimeout, + .get_timeleft = hpwdt_gettimeleft, +#ifdef CONFIG_HPWDT_NMI_DECODING + .set_pretimeout = hpwdt_set_pretimeout, +#endif }; -static struct miscdevice hpwdt_miscdev = { - .minor = WATCHDOG_MINOR, - .name = "watchdog", - .fops = &hpwdt_fops, +static struct watchdog_device hpwdt_dev = { + .info = &ident, + .ops = &hpwdt_ops, + .min_timeout = 1, + .max_timeout = HPWDT_MAX_TIMER, + .timeout = DEFAULT_MARGIN, +#ifdef CONFIG_HPWDT_NMI_DECODING + .pretimeout = PRETIMEOUT_SEC, +#endif }; + /* * Init & Exit */ - static int hpwdt_init_nmi_decoding(struct pci_dev *dev) { #ifdef CONFIG_HPWDT_NMI_DECODING @@ -303,9 +233,8 @@ static int hpwdt_init_nmi_decoding(struct pci_dev *dev) goto error2; dev_info(&dev->dev, - "HPE Watchdog Timer Driver: NMI decoding initialized" - ", allow kernel dump: %s (default = 1/ON)\n", - (allow_kdump == 0) ? "OFF" : "ON"); + "HPE Watchdog Timer Driver: NMI decoding initialized\n"); + return 0; error2: @@ -375,29 +304,32 @@ static int hpwdt_init_one(struct pci_dev *dev, /* Make sure that timer is disabled until /dev/watchdog is opened */ hpwdt_stop(); - /* Make sure that we have a valid soft_margin */ - if (hpwdt_change_timer(soft_margin)) - hpwdt_change_timer(DEFAULT_MARGIN); - /* Initialize NMI Decoding functionality */ retval = hpwdt_init_nmi_decoding(dev); if (retval != 0) goto error_init_nmi_decoding; - retval = misc_register(&hpwdt_miscdev); + watchdog_set_nowayout(&hpwdt_dev, nowayout); + if (watchdog_init_timeout(&hpwdt_dev, soft_margin, NULL)) + dev_warn(&dev->dev, "Invalid soft_margin: %d.\n", soft_margin); + + hpwdt_dev.parent = &dev->dev; + retval = watchdog_register_device(&hpwdt_dev); if (retval < 0) { - dev_warn(&dev->dev, - "Unable to register miscdev on minor=%d (err=%d).\n", - WATCHDOG_MINOR, retval); - goto error_misc_register; + dev_err(&dev->dev, "watchdog register failed: %d.\n", retval); + goto error_wd_register; } dev_info(&dev->dev, "HPE Watchdog Timer Driver: %s" ", timer margin: %d seconds (nowayout=%d).\n", - HPWDT_VERSION, soft_margin, nowayout); + HPWDT_VERSION, hpwdt_dev.timeout, nowayout); + + if (dev->subsystem_vendor == PCI_VENDOR_ID_HP_3PAR) + ilo5 = true; + return 0; -error_misc_register: +error_wd_register: hpwdt_exit_nmi_decoding(); error_init_nmi_decoding: pci_iounmap(dev, pci_mem_addr); @@ -411,7 +343,7 @@ static void hpwdt_exit(struct pci_dev *dev) if (!nowayout) hpwdt_stop(); - misc_deregister(&hpwdt_miscdev); + watchdog_unregister_device(&hpwdt_dev); hpwdt_exit_nmi_decoding(); pci_iounmap(dev, pci_mem_addr); pci_disable_device(dev); @@ -425,7 +357,7 @@ static struct pci_driver hpwdt_driver = { }; MODULE_AUTHOR("Tom Mingarelli"); -MODULE_DESCRIPTION("hp watchdog driver"); +MODULE_DESCRIPTION("hpe watchdog driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(HPWDT_VERSION); @@ -437,8 +369,8 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); #ifdef CONFIG_HPWDT_NMI_DECODING -module_param(allow_kdump, int, 0); -MODULE_PARM_DESC(allow_kdump, "Start a kernel dump after NMI occurs"); -#endif /* CONFIG_HPWDT_NMI_DECODING */ +module_param(pretimeout, bool, 0); +MODULE_PARM_DESC(pretimeout, "Watchdog pretimeout enabled"); +#endif module_pci_driver(hpwdt_driver); diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c index 518dfa1047cb..f07850d2c977 100644 --- a/drivers/watchdog/imx2_wdt.c +++ b/drivers/watchdog/imx2_wdt.c @@ -76,7 +76,7 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); -static unsigned timeout = IMX2_WDT_DEFAULT_TIME; +static unsigned timeout; module_param(timeout, uint, 0); MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds (default=" __MODULE_STRING(IMX2_WDT_DEFAULT_TIME) ")"); @@ -281,6 +281,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) wdog->info = &imx2_wdt_info; wdog->ops = &imx2_wdt_ops; wdog->min_timeout = 1; + wdog->timeout = IMX2_WDT_DEFAULT_TIME; wdog->max_hw_heartbeat_ms = IMX2_WDT_MAX_TIME * 1000; wdog->parent = &pdev->dev; @@ -299,11 +300,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev) wdev->ext_reset = of_property_read_bool(pdev->dev.of_node, "fsl,ext-reset-output"); - wdog->timeout = clamp_t(unsigned, timeout, 1, IMX2_WDT_MAX_TIME); - if (wdog->timeout != timeout) - dev_warn(&pdev->dev, "Initial timeout out of range! Clamped from %u to %u\n", - timeout, wdog->timeout); - platform_set_drvdata(pdev, wdog); watchdog_set_drvdata(wdog, wdev); watchdog_set_nowayout(wdog, nowayout); diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c index b4221f43cd94..331cadb459ac 100644 --- a/drivers/watchdog/lpc18xx_wdt.c +++ b/drivers/watchdog/lpc18xx_wdt.c @@ -265,7 +265,7 @@ static int lpc18xx_wdt_probe(struct platform_device *pdev) lpc18xx_wdt->wdt_dev.parent = dev; watchdog_set_drvdata(&lpc18xx_wdt->wdt_dev, lpc18xx_wdt); - ret = watchdog_init_timeout(&lpc18xx_wdt->wdt_dev, heartbeat, dev); + watchdog_init_timeout(&lpc18xx_wdt->wdt_dev, heartbeat, dev); __lpc18xx_wdt_set_timeout(lpc18xx_wdt); diff --git a/drivers/watchdog/mei_wdt.c b/drivers/watchdog/mei_wdt.c index b8194b02abe0..8023cf28657a 100644 --- a/drivers/watchdog/mei_wdt.c +++ b/drivers/watchdog/mei_wdt.c @@ -1,15 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel Management Engine Interface (Intel MEI) Linux driver * Copyright (c) 2015, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/module.h> @@ -687,5 +679,5 @@ static struct mei_cl_driver mei_wdt_driver = { module_mei_cl_driver(mei_wdt_driver); MODULE_AUTHOR("Intel Corporation"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("Device driver for Intel MEI iAMT watchdog"); diff --git a/drivers/watchdog/mena21_wdt.c b/drivers/watchdog/mena21_wdt.c index 045201a6fdb3..25d5d2b8cfbe 100644 --- a/drivers/watchdog/mena21_wdt.c +++ b/drivers/watchdog/mena21_wdt.c @@ -1,11 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for the A21 VME CPU Boards * * Copyright (C) 2013 MEN Mikro Elektronik Nuernberg GmbH * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation */ #include <linux/module.h> #include <linux/moduleparam.h> diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c index 69a5a57f1446..69adeab3fde7 100644 --- a/drivers/watchdog/meson_gxbb_wdt.c +++ b/drivers/watchdog/meson_gxbb_wdt.c @@ -1,56 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * * Copyright (c) 2016 BayLibre, SAS. * Author: Neil Armstrong <narmstrong@baylibre.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * BSD LICENSE - * - * Copyright (c) 2016 BayLibre, SAS. - * Author: Neil Armstrong <narmstrong@baylibre.com> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <linux/clk.h> #include <linux/err.h> diff --git a/drivers/watchdog/meson_wdt.c b/drivers/watchdog/meson_wdt.c index 304274c67735..cd0275a6cdac 100644 --- a/drivers/watchdog/meson_wdt.c +++ b/drivers/watchdog/meson_wdt.c @@ -36,7 +36,7 @@ #define MESON_SEC_TO_TC(s, c) ((s) * (c)) static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = MESON_WDT_TIMEOUT; +static unsigned int timeout; struct meson_wdt_data { unsigned int enable; diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index 7ed417a765c7..4baf64f21aa1 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Mediatek Watchdog Driver * @@ -5,16 +6,6 @@ * * Matthias Brugger <matthias.bgg@gmail.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * Based on sunxi_wdt.c */ @@ -57,7 +48,7 @@ #define DRV_VERSION "1.0" static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = WDT_MAX_TIMEOUT; +static unsigned int timeout; struct mtk_wdt_dev { struct watchdog_device wdt_dev; diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c index ca360d204548..1fa7d2b32494 100644 --- a/drivers/watchdog/mtx-1_wdt.c +++ b/drivers/watchdog/mtx-1_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for the MTX-1 Watchdog. * @@ -6,16 +7,6 @@ * http://www.4g-systems.biz * * (C) Copyright 2007 OpenWrt.org, Florian Fainelli <florian@openwrt.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * Neither Michael Stickel nor 4G Systems admit liability nor provide - * warranty for any of this software. This material is provided - * "AS-IS" and at no charge. - * * (c) Copyright 2005 4G Systems <info@4g-systems.biz> * * Release 0.01. diff --git a/drivers/watchdog/npcm_wdt.c b/drivers/watchdog/npcm_wdt.c new file mode 100644 index 000000000000..0d4213652ecc --- /dev/null +++ b/drivers/watchdog/npcm_wdt.c @@ -0,0 +1,254 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 Nuvoton Technology corporation. +// Copyright (c) 2018 IBM Corp. + +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/watchdog.h> + +#define NPCM_WTCR 0x1C + +#define NPCM_WTCLK (BIT(10) | BIT(11)) /* Clock divider */ +#define NPCM_WTE BIT(7) /* Enable */ +#define NPCM_WTIE BIT(6) /* Enable irq */ +#define NPCM_WTIS (BIT(4) | BIT(5)) /* Interval selection */ +#define NPCM_WTIF BIT(3) /* Interrupt flag*/ +#define NPCM_WTRF BIT(2) /* Reset flag */ +#define NPCM_WTRE BIT(1) /* Reset enable */ +#define NPCM_WTR BIT(0) /* Reset counter */ + +/* + * Watchdog timeouts + * + * 170 msec: WTCLK=01 WTIS=00 VAL= 0x400 + * 670 msec: WTCLK=01 WTIS=01 VAL= 0x410 + * 1360 msec: WTCLK=10 WTIS=00 VAL= 0x800 + * 2700 msec: WTCLK=01 WTIS=10 VAL= 0x420 + * 5360 msec: WTCLK=10 WTIS=01 VAL= 0x810 + * 10700 msec: WTCLK=01 WTIS=11 VAL= 0x430 + * 21600 msec: WTCLK=10 WTIS=10 VAL= 0x820 + * 43000 msec: WTCLK=11 WTIS=00 VAL= 0xC00 + * 85600 msec: WTCLK=10 WTIS=11 VAL= 0x830 + * 172000 msec: WTCLK=11 WTIS=01 VAL= 0xC10 + * 687000 msec: WTCLK=11 WTIS=10 VAL= 0xC20 + * 2750000 msec: WTCLK=11 WTIS=11 VAL= 0xC30 + */ + +struct npcm_wdt { + struct watchdog_device wdd; + void __iomem *reg; +}; + +static inline struct npcm_wdt *to_npcm_wdt(struct watchdog_device *wdd) +{ + return container_of(wdd, struct npcm_wdt, wdd); +} + +static int npcm_wdt_ping(struct watchdog_device *wdd) +{ + struct npcm_wdt *wdt = to_npcm_wdt(wdd); + u32 val; + + val = readl(wdt->reg); + writel(val | NPCM_WTR, wdt->reg); + + return 0; +} + +static int npcm_wdt_start(struct watchdog_device *wdd) +{ + struct npcm_wdt *wdt = to_npcm_wdt(wdd); + u32 val; + + if (wdd->timeout < 2) + val = 0x800; + else if (wdd->timeout < 3) + val = 0x420; + else if (wdd->timeout < 6) + val = 0x810; + else if (wdd->timeout < 11) + val = 0x430; + else if (wdd->timeout < 22) + val = 0x820; + else if (wdd->timeout < 44) + val = 0xC00; + else if (wdd->timeout < 87) + val = 0x830; + else if (wdd->timeout < 173) + val = 0xC10; + else if (wdd->timeout < 688) + val = 0xC20; + else + val = 0xC30; + + val |= NPCM_WTRE | NPCM_WTE | NPCM_WTR | NPCM_WTIE; + + writel(val, wdt->reg); + + return 0; +} + +static int npcm_wdt_stop(struct watchdog_device *wdd) +{ + struct npcm_wdt *wdt = to_npcm_wdt(wdd); + + writel(0, wdt->reg); + + return 0; +} + + +static int npcm_wdt_set_timeout(struct watchdog_device *wdd, + unsigned int timeout) +{ + if (timeout < 2) + wdd->timeout = 1; + else if (timeout < 3) + wdd->timeout = 2; + else if (timeout < 6) + wdd->timeout = 5; + else if (timeout < 11) + wdd->timeout = 10; + else if (timeout < 22) + wdd->timeout = 21; + else if (timeout < 44) + wdd->timeout = 43; + else if (timeout < 87) + wdd->timeout = 86; + else if (timeout < 173) + wdd->timeout = 172; + else if (timeout < 688) + wdd->timeout = 687; + else + wdd->timeout = 2750; + + if (watchdog_active(wdd)) + npcm_wdt_start(wdd); + + return 0; +} + +static irqreturn_t npcm_wdt_interrupt(int irq, void *data) +{ + struct npcm_wdt *wdt = data; + + watchdog_notify_pretimeout(&wdt->wdd); + + return IRQ_HANDLED; +} + +static int npcm_wdt_restart(struct watchdog_device *wdd, + unsigned long action, void *data) +{ + struct npcm_wdt *wdt = to_npcm_wdt(wdd); + + writel(NPCM_WTR | NPCM_WTRE | NPCM_WTE, wdt->reg); + udelay(1000); + + return 0; +} + +static bool npcm_is_running(struct watchdog_device *wdd) +{ + struct npcm_wdt *wdt = to_npcm_wdt(wdd); + + return readl(wdt->reg) & NPCM_WTE; +} + +static const struct watchdog_info npcm_wdt_info = { + .identity = KBUILD_MODNAME, + .options = WDIOF_SETTIMEOUT + | WDIOF_KEEPALIVEPING + | WDIOF_MAGICCLOSE, +}; + +static const struct watchdog_ops npcm_wdt_ops = { + .owner = THIS_MODULE, + .start = npcm_wdt_start, + .stop = npcm_wdt_stop, + .ping = npcm_wdt_ping, + .set_timeout = npcm_wdt_set_timeout, + .restart = npcm_wdt_restart, +}; + +static int npcm_wdt_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct npcm_wdt *wdt; + struct resource *res; + int irq; + int ret; + + wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL); + if (!wdt) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + wdt->reg = devm_ioremap_resource(dev, res); + if (IS_ERR(wdt->reg)) + return PTR_ERR(wdt->reg); + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + wdt->wdd.info = &npcm_wdt_info; + wdt->wdd.ops = &npcm_wdt_ops; + wdt->wdd.min_timeout = 1; + wdt->wdd.max_timeout = 2750; + wdt->wdd.parent = dev; + + wdt->wdd.timeout = 86; + watchdog_init_timeout(&wdt->wdd, 0, dev); + + /* Ensure timeout is able to be represented by the hardware */ + npcm_wdt_set_timeout(&wdt->wdd, wdt->wdd.timeout); + + if (npcm_is_running(&wdt->wdd)) { + /* Restart with the default or device-tree specified timeout */ + npcm_wdt_start(&wdt->wdd); + set_bit(WDOG_HW_RUNNING, &wdt->wdd.status); + } + + ret = devm_request_irq(dev, irq, npcm_wdt_interrupt, 0, + "watchdog", wdt); + if (ret) + return ret; + + ret = devm_watchdog_register_device(dev, &wdt->wdd); + if (ret) { + dev_err(dev, "failed to register watchdog\n"); + return ret; + } + + dev_info(dev, "NPCM watchdog driver enabled\n"); + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id npcm_wdt_match[] = { + {.compatible = "nuvoton,npcm750-wdt"}, + {}, +}; +MODULE_DEVICE_TABLE(of, npcm_wdt_match); +#endif + +static struct platform_driver npcm_wdt_driver = { + .probe = npcm_wdt_probe, + .driver = { + .name = "npcm-wdt", + .of_match_table = of_match_ptr(npcm_wdt_match), + }, +}; +module_platform_driver(npcm_wdt_driver); + +MODULE_AUTHOR("Joel Stanley"); +MODULE_DESCRIPTION("Watchdog driver for NPCM"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c index 1cf286945b7a..4acbe05e27bb 100644 --- a/drivers/watchdog/of_xilinx_wdt.c +++ b/drivers/watchdog/of_xilinx_wdt.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog Device Driver for Xilinx axi/xps_timebase_wdt * * (C) Copyright 2013 - 2014 Xilinx, Inc. * (C) Copyright 2011 (Alejandro Cabrera <aldaya@gmail.com>) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/clk.h> @@ -323,4 +319,4 @@ module_platform_driver(xwdt_driver); MODULE_AUTHOR("Alejandro Cabrera <aldaya@gmail.com>"); MODULE_DESCRIPTION("Xilinx Watchdog driver"); -MODULE_LICENSE("GPL v2"); +MODULE_LICENSE("GPL"); diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 1b02bfa81b29..ae77112ce97f 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -253,10 +253,10 @@ static int omap_wdt_probe(struct platform_device *pdev) wdev->wdog.ops = &omap_wdt_ops; wdev->wdog.min_timeout = TIMER_MARGIN_MIN; wdev->wdog.max_timeout = TIMER_MARGIN_MAX; + wdev->wdog.timeout = TIMER_MARGIN_DEFAULT; wdev->wdog.parent = &pdev->dev; - if (watchdog_init_timeout(&wdev->wdog, timer_margin, &pdev->dev) < 0) - wdev->wdog.timeout = TIMER_MARGIN_DEFAULT; + watchdog_init_timeout(&wdev->wdog, timer_margin, &pdev->dev); watchdog_set_nowayout(&wdev->wdog, nowayout); diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c index 0529aed158a4..8e261799c84e 100644 --- a/drivers/watchdog/pnx4008_wdt.c +++ b/drivers/watchdog/pnx4008_wdt.c @@ -78,7 +78,7 @@ #define WDOG_COUNTER_RATE 13000000 /*the counter clock is 13 MHz fixed */ static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int heartbeat = DEFAULT_HEARTBEAT; +static unsigned int heartbeat; static DEFINE_SPINLOCK(io_lock); static void __iomem *wdt_base; diff --git a/drivers/watchdog/renesas_wdt.c b/drivers/watchdog/renesas_wdt.c index 831ef83f6de1..6b8c6ddfe30b 100644 --- a/drivers/watchdog/renesas_wdt.c +++ b/drivers/watchdog/renesas_wdt.c @@ -16,6 +16,8 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/smp.h> +#include <linux/sys_soc.h> #include <linux/watchdog.h> #define RWTCNT 0 @@ -49,6 +51,7 @@ struct rwdt_priv { void __iomem *base; struct watchdog_device wdev; unsigned long clk_rate; + u16 time_left; u8 cks; }; @@ -107,6 +110,16 @@ static unsigned int rwdt_get_timeleft(struct watchdog_device *wdev) return DIV_BY_CLKS_PER_SEC(priv, 65536 - val); } +static int rwdt_restart(struct watchdog_device *wdev, unsigned long action, + void *data) +{ + struct rwdt_priv *priv = watchdog_get_drvdata(wdev); + + rwdt_start(wdev); + rwdt_write(priv, 0xffff, RWTCNT); + return 0; +} + static const struct watchdog_info rwdt_ident = { .options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT, .identity = "Renesas WDT Watchdog", @@ -118,8 +131,47 @@ static const struct watchdog_ops rwdt_ops = { .stop = rwdt_stop, .ping = rwdt_init_timeout, .get_timeleft = rwdt_get_timeleft, + .restart = rwdt_restart, }; +#if defined(CONFIG_ARCH_RCAR_GEN2) && defined(CONFIG_SMP) +/* + * Watchdog-reset integration is broken on early revisions of R-Car Gen2 SoCs + */ +static const struct soc_device_attribute rwdt_quirks_match[] = { + { + .soc_id = "r8a7790", + .revision = "ES1.*", + .data = (void *)1, /* needs single CPU */ + }, { + .soc_id = "r8a7791", + .revision = "ES[12].*", + .data = (void *)1, /* needs single CPU */ + }, { + .soc_id = "r8a7792", + .revision = "*", + .data = (void *)0, /* needs SMP disabled */ + }, + { /* sentinel */ } +}; + +static bool rwdt_blacklisted(struct device *dev) +{ + const struct soc_device_attribute *attr; + + attr = soc_device_match(rwdt_quirks_match); + if (attr && setup_max_cpus > (uintptr_t)attr->data) { + dev_info(dev, "Watchdog blacklisted on %s %s\n", attr->soc_id, + attr->revision); + return true; + } + + return false; +} +#else /* !CONFIG_ARCH_RCAR_GEN2 || !CONFIG_SMP */ +static inline bool rwdt_blacklisted(struct device *dev) { return false; } +#endif /* !CONFIG_ARCH_RCAR_GEN2 || !CONFIG_SMP */ + static int rwdt_probe(struct platform_device *pdev) { struct rwdt_priv *priv; @@ -128,6 +180,9 @@ static int rwdt_probe(struct platform_device *pdev) unsigned long clks_per_sec; int ret, i; + if (rwdt_blacklisted(&pdev->dev)) + return -ENODEV; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -176,6 +231,7 @@ static int rwdt_probe(struct platform_device *pdev) platform_set_drvdata(pdev, priv); watchdog_set_drvdata(&priv->wdev, priv); watchdog_set_nowayout(&priv->wdev, nowayout); + watchdog_set_restart_priority(&priv->wdev, 0); /* This overrides the default timeout only if DT configuration was found */ ret = watchdog_init_timeout(&priv->wdev, 0, &pdev->dev); @@ -203,12 +259,32 @@ static int rwdt_remove(struct platform_device *pdev) return 0; } -/* - * This driver does also fit for R-Car Gen2 (r8a779[0-4]) WDT. However, for SMP - * to work there, one also needs a RESET (RST) driver which does not exist yet - * due to HW issues. This needs to be solved before adding compatibles here. - */ +static int __maybe_unused rwdt_suspend(struct device *dev) +{ + struct rwdt_priv *priv = dev_get_drvdata(dev); + + if (watchdog_active(&priv->wdev)) { + priv->time_left = readw(priv->base + RWTCNT); + rwdt_stop(&priv->wdev); + } + return 0; +} + +static int __maybe_unused rwdt_resume(struct device *dev) +{ + struct rwdt_priv *priv = dev_get_drvdata(dev); + + if (watchdog_active(&priv->wdev)) { + rwdt_start(&priv->wdev); + rwdt_write(priv, priv->time_left, RWTCNT); + } + return 0; +} + +static SIMPLE_DEV_PM_OPS(rwdt_pm_ops, rwdt_suspend, rwdt_resume); + static const struct of_device_id rwdt_ids[] = { + { .compatible = "renesas,rcar-gen2-wdt", }, { .compatible = "renesas,rcar-gen3-wdt", }, { /* sentinel */ } }; @@ -218,6 +294,7 @@ static struct platform_driver rwdt_driver = { .driver = { .name = "renesas_wdt", .of_match_table = rwdt_ids, + .pm = &rwdt_pm_ops, }, .probe = rwdt_probe, .remove = rwdt_remove, diff --git a/drivers/watchdog/sama5d4_wdt.c b/drivers/watchdog/sama5d4_wdt.c index 0ae947c3d7bc..255169916dbb 100644 --- a/drivers/watchdog/sama5d4_wdt.c +++ b/drivers/watchdog/sama5d4_wdt.c @@ -33,7 +33,7 @@ struct sama5d4_wdt { unsigned long last_ping; }; -static int wdt_timeout = WDT_DEFAULT_TIMEOUT; +static int wdt_timeout; static bool nowayout = WATCHDOG_NOWAYOUT; module_param(wdt_timeout, int, 0); @@ -212,7 +212,7 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) return -ENOMEM; wdd = &wdt->wdd; - wdd->timeout = wdt_timeout; + wdd->timeout = WDT_DEFAULT_TIMEOUT; wdd->info = &sama5d4_wdt_info; wdd->ops = &sama5d4_wdt_ops; wdd->min_timeout = MIN_WDT_TIMEOUT; @@ -273,7 +273,7 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) platform_set_drvdata(pdev, wdt); dev_info(&pdev->dev, "initialized (timeout = %d sec, nowayout = %d)\n", - wdt_timeout, nowayout); + wdd->timeout, nowayout); return 0; } diff --git a/drivers/watchdog/sirfsoc_wdt.c b/drivers/watchdog/sirfsoc_wdt.c index 4eea351e09b0..ac0c9d2c4aee 100644 --- a/drivers/watchdog/sirfsoc_wdt.c +++ b/drivers/watchdog/sirfsoc_wdt.c @@ -29,7 +29,7 @@ #define SIRFSOC_WDT_MAX_TIMEOUT (10 * 60) /* 10 mins */ #define SIRFSOC_WDT_DEFAULT_TIMEOUT 30 /* 30 secs */ -static unsigned int timeout = SIRFSOC_WDT_DEFAULT_TIMEOUT; +static unsigned int timeout; static bool nowayout = WATCHDOG_NOWAYOUT; module_param(timeout, uint, 0); diff --git a/drivers/watchdog/sprd_wdt.c b/drivers/watchdog/sprd_wdt.c index a8b280ff33e0..b4d484a42b70 100644 --- a/drivers/watchdog/sprd_wdt.c +++ b/drivers/watchdog/sprd_wdt.c @@ -154,8 +154,10 @@ static int sprd_wdt_enable(struct sprd_wdt *wdt) if (ret) return ret; ret = clk_prepare_enable(wdt->rtc_enable); - if (ret) + if (ret) { + clk_disable_unprepare(wdt->enable); return ret; + } sprd_wdt_unlock(wdt->base); val = readl_relaxed(wdt->base + SPRD_WDT_CTRL); diff --git a/drivers/watchdog/st_lpc_wdt.c b/drivers/watchdog/st_lpc_wdt.c index e6100e447dd8..177829b379da 100644 --- a/drivers/watchdog/st_lpc_wdt.c +++ b/drivers/watchdog/st_lpc_wdt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * ST's LPC Watchdog * @@ -5,11 +6,6 @@ * * Author: David Paris <david.paris@st.com> for STMicroelectronics * Lee Jones <lee.jones@linaro.org> for STMicroelectronics - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public Licence - * as published by the Free Software Foundation; either version - * 2 of the Licence, or (at your option) any later version. */ #include <linux/clk.h> diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c index 802e31b1416d..c6c73656997e 100644 --- a/drivers/watchdog/sunxi_wdt.c +++ b/drivers/watchdog/sunxi_wdt.c @@ -39,7 +39,7 @@ #define DRV_VERSION "1.0" static bool nowayout = WATCHDOG_NOWAYOUT; -static unsigned int timeout = WDT_MAX_TIMEOUT; +static unsigned int timeout; /* * This structure stores the register offsets for different variants diff --git a/drivers/watchdog/tangox_wdt.c b/drivers/watchdog/tangox_wdt.c index d5fcce062920..b1de8297fa40 100644 --- a/drivers/watchdog/tangox_wdt.c +++ b/drivers/watchdog/tangox_wdt.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Mans Rullgard <mans@mansr.com> * SMP86xx/SMP87xx Watchdog driver - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c index 9403c08816e3..877dd39bd41f 100644 --- a/drivers/watchdog/tegra_wdt.c +++ b/drivers/watchdog/tegra_wdt.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. */ #include <linux/kernel.h> diff --git a/drivers/watchdog/uniphier_wdt.c b/drivers/watchdog/uniphier_wdt.c index 0ea2339d9702..e20a7a459d69 100644 --- a/drivers/watchdog/uniphier_wdt.c +++ b/drivers/watchdog/uniphier_wdt.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Watchdog driver for the UniPhier watchdog timer * * (c) Copyright 2014 Panasonic Corporation * (c) Copyright 2016 Socionext Inc. * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/bitops.h> @@ -212,11 +204,10 @@ static int uniphier_wdt_probe(struct platform_device *pdev) wdev->wdt_dev.ops = &uniphier_wdt_ops; wdev->wdt_dev.max_timeout = WDT_PERIOD_MAX; wdev->wdt_dev.min_timeout = WDT_PERIOD_MIN; + wdev->wdt_dev.timeout = WDT_DEFAULT_TIMEOUT; wdev->wdt_dev.parent = dev; - if (watchdog_init_timeout(&wdev->wdt_dev, timeout, dev) < 0) { - wdev->wdt_dev.timeout = WDT_DEFAULT_TIMEOUT; - } + watchdog_init_timeout(&wdev->wdt_dev, timeout, dev); watchdog_set_nowayout(&wdev->wdt_dev, nowayout); watchdog_stop_on_reboot(&wdev->wdt_dev); diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c index 1ddc1f742cd4..116c2f47b463 100644 --- a/drivers/watchdog/wm831x_wdt.c +++ b/drivers/watchdog/wm831x_wdt.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for the wm831x PMICs * * Copyright (C) 2009 Wolfson Microelectronics - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation */ #include <linux/module.h> diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c index 4ab4b8347d45..33c62d51f00a 100644 --- a/drivers/watchdog/wm8350_wdt.c +++ b/drivers/watchdog/wm8350_wdt.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Watchdog driver for the wm8350 * * Copyright (C) 2007, 2008 Wolfson Microelectronics <linux@wolfsonmicro.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/xen/xen-pciback/conf_space_quirks.c b/drivers/xen/xen-pciback/conf_space_quirks.c index 89d9744ece61..ed593d1042a6 100644 --- a/drivers/xen/xen-pciback/conf_space_quirks.c +++ b/drivers/xen/xen-pciback/conf_space_quirks.c @@ -95,7 +95,7 @@ int xen_pcibk_config_quirks_init(struct pci_dev *dev) struct xen_pcibk_config_quirk *quirk; int ret = 0; - quirk = kzalloc(sizeof(*quirk), GFP_ATOMIC); + quirk = kzalloc(sizeof(*quirk), GFP_KERNEL); if (!quirk) { ret = -ENOMEM; goto out; diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 9e480fdebe1f..59661db144e5 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -71,7 +71,7 @@ static struct pcistub_device *pcistub_device_alloc(struct pci_dev *dev) dev_dbg(&dev->dev, "pcistub_device_alloc\n"); - psdev = kzalloc(sizeof(*psdev), GFP_ATOMIC); + psdev = kzalloc(sizeof(*psdev), GFP_KERNEL); if (!psdev) return NULL; @@ -364,7 +364,7 @@ static int pcistub_init_device(struct pci_dev *dev) * here and then to call kfree(pci_get_drvdata(psdev->dev)). */ dev_data = kzalloc(sizeof(*dev_data) + strlen(DRV_NAME "[]") - + strlen(pci_name(dev)) + 1, GFP_ATOMIC); + + strlen(pci_name(dev)) + 1, GFP_KERNEL); if (!dev_data) { err = -ENOMEM; goto out; @@ -577,7 +577,7 @@ static int pcistub_probe(struct pci_dev *dev, const struct pci_device_id *id) } if (!match) { - pci_dev_id = kmalloc(sizeof(*pci_dev_id), GFP_ATOMIC); + pci_dev_id = kmalloc(sizeof(*pci_dev_id), GFP_KERNEL); if (!pci_dev_id) { err = -ENOMEM; goto out; @@ -1149,7 +1149,7 @@ static int pcistub_reg_add(int domain, int bus, int slot, int func, } dev = psdev->dev; - field = kzalloc(sizeof(*field), GFP_ATOMIC); + field = kzalloc(sizeof(*field), GFP_KERNEL); if (!field) { err = -ENOMEM; goto out; diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 0d6d9264d6a9..c3e201025ef0 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -403,7 +403,7 @@ static int xenbus_command_reply(struct xenbus_file_priv *u, { struct { struct xsd_sockmsg hdr; - const char body[16]; + char body[16]; } msg; int rc; @@ -412,6 +412,7 @@ static int xenbus_command_reply(struct xenbus_file_priv *u, msg.hdr.len = strlen(reply) + 1; if (msg.hdr.len > sizeof(msg.body)) return -E2BIG; + memcpy(&msg.body, reply, msg.hdr.len); mutex_lock(&u->reply_mutex); rc = queue_reply(&u->read_buffers, &msg, sizeof(msg.hdr) + msg.hdr.len); |