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-rw-r--r--arch/arm/mach-tegra/Makefile3
-rw-r--r--arch/arm/mach-tegra/board-dt-tegra30.c24
-rw-r--r--arch/arm/mach-tegra/clock.c22
-rw-r--r--arch/arm/mach-tegra/clock.h15
-rw-r--r--arch/arm/mach-tegra/common.c1
-rw-r--r--arch/arm/mach-tegra/cpuidle.c107
-rw-r--r--arch/arm/mach-tegra/flowctrl.h37
-rw-r--r--arch/arm/mach-tegra/include/mach/clk.h10
-rw-r--r--arch/arm/mach-tegra/include/mach/iomap.h3
-rw-r--r--arch/arm/mach-tegra/include/mach/irqs.h7
-rw-r--r--arch/arm/mach-tegra/irq.c20
-rw-r--r--arch/arm/mach-tegra/sleep.S91
-rw-r--r--arch/arm/mach-tegra/tegra2_clocks.c30
-rw-r--r--arch/arm/mach-tegra/tegra30_clocks.c3099
14 files changed, 3456 insertions, 13 deletions
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index bcbb4e8d5530..76a79b8a1721 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -7,12 +7,15 @@ obj-y += clock.o
obj-y += timer.o
obj-y += pinmux.o
obj-y += fuse.o
+obj-$(CONFIG_CPU_IDLE) += cpuidle.o
+obj-$(CONFIG_CPU_IDLE) += sleep.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += powergate.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o
obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += pinmux-tegra20-tables.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += pinmux-tegra30-tables.o
obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += board-dt-tegra30.o
+obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_TEGRA_SYSTEM_DMA) += dma.o
diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c
index 3c197e2440b7..b4124b12a779 100644
--- a/arch/arm/mach-tegra/board-dt-tegra30.c
+++ b/arch/arm/mach-tegra/board-dt-tegra30.c
@@ -34,16 +34,38 @@
#include <asm/hardware/gic.h>
#include "board.h"
+#include "clock.h"
static struct of_device_id tegra_dt_match_table[] __initdata = {
{ .compatible = "simple-bus", },
{}
};
+struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = {
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000000, "sdhci-tegra.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000200, "sdhci-tegra.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000400, "sdhci-tegra.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-sdhci", 0x78000600, "sdhci-tegra.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C000, "tegra-i2c.0", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C400, "tegra-i2c.1", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C500, "tegra-i2c.2", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000C700, "tegra-i2c.3", NULL),
+ OF_DEV_AUXDATA("nvidia,tegra20-i2c", 0x7000D000, "tegra-i2c.4", NULL),
+ {}
+};
+
+static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = {
+ /* name parent rate enabled */
+ { "uartd", "pll_p", 408000000, true },
+ { NULL, NULL, 0, 0},
+};
+
static void __init tegra30_dt_init(void)
{
+ tegra_clk_init_from_table(tegra_dt_clk_init_table);
+
of_platform_populate(NULL, tegra_dt_match_table,
- NULL, NULL);
+ tegra30_auxdata_lookup, NULL);
}
static const char *tegra30_dt_board_compat[] = {
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index 8337068a4abe..8dad8d18cb49 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -399,6 +399,28 @@ void tegra_periph_reset_assert(struct clk *c)
}
EXPORT_SYMBOL(tegra_periph_reset_assert);
+/* Several extended clock configuration bits (e.g., clock routing, clock
+ * phase control) are included in PLL and peripheral clock source
+ * registers. */
+int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&c->spinlock, flags);
+
+ if (!c->ops || !c->ops->clk_cfg_ex) {
+ ret = -ENOSYS;
+ goto out;
+ }
+ ret = c->ops->clk_cfg_ex(c, p, setting);
+
+out:
+ spin_unlock_irqrestore(&c->spinlock, flags);
+
+ return ret;
+}
+
#ifdef CONFIG_DEBUG_FS
static int __clk_lock_all_spinlocks(void)
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h
index 5c44106616c5..bc300657deba 100644
--- a/arch/arm/mach-tegra/clock.h
+++ b/arch/arm/mach-tegra/clock.h
@@ -24,6 +24,8 @@
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <mach/clk.h>
+
#define DIV_BUS (1 << 0)
#define DIV_U71 (1 << 1)
#define DIV_U71_FIXED (1 << 2)
@@ -39,7 +41,16 @@
#define PERIPH_MANUAL_RESET (1 << 12)
#define PLL_ALT_MISC_REG (1 << 13)
#define PLLU (1 << 14)
+#define PLLX (1 << 15)
+#define MUX_PWM (1 << 16)
+#define MUX8 (1 << 17)
+#define DIV_U71_UART (1 << 18)
+#define MUX_CLK_OUT (1 << 19)
+#define PLLM (1 << 20)
+#define DIV_U71_INT (1 << 21)
+#define DIV_U71_IDLE (1 << 22)
#define ENABLE_ON_INIT (1 << 28)
+#define PERIPH_ON_APB (1 << 29)
struct clk;
@@ -65,6 +76,8 @@ struct clk_ops {
int (*set_rate)(struct clk *, unsigned long);
long (*round_rate)(struct clk *, unsigned long);
void (*reset)(struct clk *, bool);
+ int (*clk_cfg_ex)(struct clk *,
+ enum tegra_clk_ex_param, u32);
};
enum clk_state {
@@ -114,6 +127,7 @@ struct clk {
unsigned long vco_max;
const struct clk_pll_freq_table *freq_table;
int lock_delay;
+ unsigned long fixed_rate;
} pll;
struct {
u32 sel;
@@ -146,6 +160,7 @@ struct tegra_clk_init_table {
};
void tegra2_init_clocks(void);
+void tegra30_init_clocks(void);
void clk_init(struct clk *clk);
struct clk *tegra_get_clock_by_name(const char *name);
int clk_reparent(struct clk *c, struct clk *parent);
diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
index fac449e84d80..6c93cd0e520c 100644
--- a/arch/arm/mach-tegra/common.c
+++ b/arch/arm/mach-tegra/common.c
@@ -104,6 +104,7 @@ void __init tegra20_init_early(void)
#ifdef CONFIG_ARCH_TEGRA_3x_SOC
void __init tegra30_init_early(void)
{
+ tegra30_init_clocks();
tegra_init_cache(0x441, 0x551);
}
#endif
diff --git a/arch/arm/mach-tegra/cpuidle.c b/arch/arm/mach-tegra/cpuidle.c
new file mode 100644
index 000000000000..d83a8c0296f5
--- /dev/null
+++ b/arch/arm/mach-tegra/cpuidle.c
@@ -0,0 +1,107 @@
+/*
+ * arch/arm/mach-tegra/cpuidle.c
+ *
+ * CPU idle driver for Tegra CPUs
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation.
+ * Copyright (c) 2011 Google, Inc.
+ * Author: Colin Cross <ccross@android.com>
+ * Gary King <gking@nvidia.com>
+ *
+ * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/cpu.h>
+#include <linux/cpuidle.h>
+#include <linux/hrtimer.h>
+
+#include <mach/iomap.h>
+
+extern void tegra_cpu_wfi(void);
+
+static int tegra_idle_enter_lp3(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index);
+
+struct cpuidle_driver tegra_idle_driver = {
+ .name = "tegra_idle",
+ .owner = THIS_MODULE,
+ .state_count = 1,
+ .states = {
+ [0] = {
+ .enter = tegra_idle_enter_lp3,
+ .exit_latency = 10,
+ .target_residency = 10,
+ .power_usage = 600,
+ .flags = CPUIDLE_FLAG_TIME_VALID,
+ .name = "LP3",
+ .desc = "CPU flow-controlled",
+ },
+ },
+};
+
+static DEFINE_PER_CPU(struct cpuidle_device, tegra_idle_device);
+
+static int tegra_idle_enter_lp3(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int index)
+{
+ ktime_t enter, exit;
+ s64 us;
+
+ local_irq_disable();
+ local_fiq_disable();
+
+ enter = ktime_get();
+
+ tegra_cpu_wfi();
+
+ exit = ktime_sub(ktime_get(), enter);
+ us = ktime_to_us(exit);
+
+ local_fiq_enable();
+ local_irq_enable();
+
+ dev->last_residency = us;
+
+ return index;
+}
+
+static int __init tegra_cpuidle_init(void)
+{
+ int ret;
+ unsigned int cpu;
+ struct cpuidle_device *dev;
+ struct cpuidle_driver *drv = &tegra_idle_driver;
+
+ ret = cpuidle_register_driver(&tegra_idle_driver);
+ if (ret) {
+ pr_err("CPUidle driver registration failed\n");
+ return ret;
+ }
+
+ for_each_possible_cpu(cpu) {
+ dev = &per_cpu(tegra_idle_device, cpu);
+ dev->cpu = cpu;
+
+ dev->state_count = drv->state_count;
+ ret = cpuidle_register_device(dev);
+ if (ret) {
+ pr_err("CPU%u: CPUidle device registration failed\n",
+ cpu);
+ return ret;
+ }
+ }
+ return 0;
+}
+device_initcall(tegra_cpuidle_init);
diff --git a/arch/arm/mach-tegra/flowctrl.h b/arch/arm/mach-tegra/flowctrl.h
new file mode 100644
index 000000000000..74c6efbe52fa
--- /dev/null
+++ b/arch/arm/mach-tegra/flowctrl.h
@@ -0,0 +1,37 @@
+/*
+ * arch/arm/mach-tegra/flowctrl.h
+ *
+ * functions and macros to control the flowcontroller
+ *
+ * Copyright (c) 2010-2012, 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 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/>.
+ */
+
+#ifndef __MACH_TEGRA_FLOWCTRL_H
+#define __MACH_TEGRA_FLOWCTRL_H
+
+#define FLOW_CTRL_HALT_CPU0_EVENTS 0x0
+#define FLOW_CTRL_WAITEVENT (2 << 29)
+#define FLOW_CTRL_WAIT_FOR_INTERRUPT (4 << 29)
+#define FLOW_CTRL_JTAG_RESUME (1 << 28)
+#define FLOW_CTRL_HALT_CPU_IRQ (1 << 10)
+#define FLOW_CTRL_HALT_CPU_FIQ (1 << 8)
+#define FLOW_CTRL_CPU0_CSR 0x8
+#define FLOW_CTRL_CSR_INTR_FLAG (1 << 15)
+#define FLOW_CTRL_CSR_EVENT_FLAG (1 << 14)
+#define FLOW_CTRL_CSR_ENABLE (1 << 0)
+#define FLOW_CTRL_HALT_CPU1_EVENTS 0x14
+#define FLOW_CTRL_CPU1_CSR 0x18
+
+#endif
diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
index fc3ecb66de08..d97e403303a0 100644
--- a/arch/arm/mach-tegra/include/mach/clk.h
+++ b/arch/arm/mach-tegra/include/mach/clk.h
@@ -22,10 +22,20 @@
struct clk;
+enum tegra_clk_ex_param {
+ TEGRA_CLK_VI_INP_SEL,
+ TEGRA_CLK_DTV_INVERT,
+ TEGRA_CLK_NAND_PAD_DIV2_ENB,
+ TEGRA_CLK_PLLD_CSI_OUT_ENB,
+ TEGRA_CLK_PLLD_DSI_OUT_ENB,
+ TEGRA_CLK_PLLD_MIPI_MUX_SEL,
+};
+
void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
unsigned long clk_get_rate_all_locked(struct clk *c);
void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
+int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting);
#endif
diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h
index 19dec3ac0854..67644c905d8e 100644
--- a/arch/arm/mach-tegra/include/mach/iomap.h
+++ b/arch/arm/mach-tegra/include/mach/iomap.h
@@ -74,6 +74,9 @@
#define TEGRA_QUATERNARY_ICTLR_BASE 0x60004300
#define TEGRA_QUATERNARY_ICTLR_SIZE SZ_64
+#define TEGRA_QUINARY_ICTLR_BASE 0x60004400
+#define TEGRA_QUINARY_ICTLR_SIZE SZ_64
+
#define TEGRA_TMR1_BASE 0x60005000
#define TEGRA_TMR1_SIZE SZ_8
diff --git a/arch/arm/mach-tegra/include/mach/irqs.h b/arch/arm/mach-tegra/include/mach/irqs.h
index a2146cd6867d..aad1a2c1d714 100644
--- a/arch/arm/mach-tegra/include/mach/irqs.h
+++ b/arch/arm/mach-tegra/include/mach/irqs.h
@@ -165,11 +165,12 @@
#define INT_QUAD_RES_30 (INT_QUAD_BASE + 30)
#define INT_QUAD_RES_31 (INT_QUAD_BASE + 31)
-#define INT_MAIN_NR (INT_QUAD_BASE + 32 - INT_PRI_BASE)
-
+/* Tegra30 has 5 banks of 32 IRQs */
+#define INT_MAIN_NR (32 * 5)
#define INT_GPIO_BASE (INT_PRI_BASE + INT_MAIN_NR)
-#define INT_GPIO_NR (28 * 8)
+/* Tegra30 has 8 banks of 32 GPIOs */
+#define INT_GPIO_NR (32 * 8)
#define TEGRA_NR_IRQS (INT_GPIO_BASE + INT_GPIO_NR)
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index 4e1afcd54fae..2f5bd2db8e1f 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -44,14 +44,16 @@
#define ICTLR_COP_IER_CLR 0x38
#define ICTLR_COP_IEP_CLASS 0x3c
-#define NUM_ICTLRS 4
#define FIRST_LEGACY_IRQ 32
+static int num_ictlrs;
+
static void __iomem *ictlr_reg_base[] = {
IO_ADDRESS(TEGRA_PRIMARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_SECONDARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_TERTIARY_ICTLR_BASE),
IO_ADDRESS(TEGRA_QUATERNARY_ICTLR_BASE),
+ IO_ADDRESS(TEGRA_QUINARY_ICTLR_BASE),
};
static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
@@ -60,7 +62,7 @@ static inline void tegra_irq_write_mask(unsigned int irq, unsigned long reg)
u32 mask;
BUG_ON(irq < FIRST_LEGACY_IRQ ||
- irq >= FIRST_LEGACY_IRQ + NUM_ICTLRS * 32);
+ irq >= FIRST_LEGACY_IRQ + num_ictlrs * 32);
base = ictlr_reg_base[(irq - FIRST_LEGACY_IRQ) / 32];
mask = BIT((irq - FIRST_LEGACY_IRQ) % 32);
@@ -113,8 +115,18 @@ static int tegra_retrigger(struct irq_data *d)
void __init tegra_init_irq(void)
{
int i;
+ void __iomem *distbase;
+
+ distbase = IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE);
+ num_ictlrs = readl_relaxed(distbase + GIC_DIST_CTR) & 0x1f;
+
+ if (num_ictlrs > ARRAY_SIZE(ictlr_reg_base)) {
+ WARN(1, "Too many (%d) interrupt controllers found. Maximum is %d.",
+ num_ictlrs, ARRAY_SIZE(ictlr_reg_base));
+ num_ictlrs = ARRAY_SIZE(ictlr_reg_base);
+ }
- for (i = 0; i < NUM_ICTLRS; i++) {
+ for (i = 0; i < num_ictlrs; i++) {
void __iomem *ictlr = ictlr_reg_base[i];
writel(~0, ictlr + ICTLR_CPU_IER_CLR);
writel(0, ictlr + ICTLR_CPU_IEP_CLASS);
@@ -131,6 +143,6 @@ void __init tegra_init_irq(void)
* initialized elsewhere under DT.
*/
if (!of_have_populated_dt())
- gic_init(0, 29, IO_ADDRESS(TEGRA_ARM_INT_DIST_BASE),
+ gic_init(0, 29, distbase,
IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x100));
}
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
new file mode 100644
index 000000000000..8f9fde161c34
--- /dev/null
+++ b/arch/arm/mach-tegra/sleep.S
@@ -0,0 +1,91 @@
+/*
+ * arch/arm/mach-tegra/sleep.S
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ * Copyright (c) 2011, Google, Inc.
+ *
+ * Author: Colin Cross <ccross@android.com>
+ * Gary King <gking@nvidia.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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/linkage.h>
+#include <mach/io.h>
+#include <mach/iomap.h>
+
+#include "flowctrl.h"
+
+#define TEGRA_FLOW_CTRL_VIRT (TEGRA_FLOW_CTRL_BASE - IO_PPSB_PHYS \
+ + IO_PPSB_VIRT)
+
+/* returns the offset of the flow controller halt register for a cpu */
+.macro cpu_to_halt_reg rd, rcpu
+ cmp \rcpu, #0
+ subne \rd, \rcpu, #1
+ movne \rd, \rd, lsl #3
+ addne \rd, \rd, #0x14
+ moveq \rd, #0
+.endm
+
+/* returns the offset of the flow controller csr register for a cpu */
+.macro cpu_to_csr_reg rd, rcpu
+ cmp \rcpu, #0
+ subne \rd, \rcpu, #1
+ movne \rd, \rd, lsl #3
+ addne \rd, \rd, #0x18
+ moveq \rd, #8
+.endm
+
+/* returns the ID of the current processor */
+.macro cpu_id, rd
+ mrc p15, 0, \rd, c0, c0, 5
+ and \rd, \rd, #0xF
+.endm
+
+/* loads a 32-bit value into a register without a data access */
+.macro mov32, reg, val
+ movw \reg, #:lower16:\val
+ movt \reg, #:upper16:\val
+.endm
+
+/*
+ * tegra_cpu_wfi
+ *
+ * puts current CPU in clock-gated wfi using the flow controller
+ *
+ * corrupts r0-r3
+ * must be called with MMU on
+ */
+
+ENTRY(tegra_cpu_wfi)
+ cpu_id r0
+ cpu_to_halt_reg r1, r0
+ cpu_to_csr_reg r2, r0
+ mov32 r0, TEGRA_FLOW_CTRL_VIRT
+ mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
+ str r3, [r0, r2] @ clear event & interrupt status
+ mov r3, #FLOW_CTRL_WAIT_FOR_INTERRUPT | FLOW_CTRL_JTAG_RESUME
+ str r3, [r0, r1] @ put flow controller in wait irq mode
+ dsb
+ wfi
+ mov r3, #0
+ str r3, [r0, r1] @ clear flow controller halt status
+ mov r3, #FLOW_CTRL_CSR_INTR_FLAG | FLOW_CTRL_CSR_EVENT_FLAG
+ str r3, [r0, r2] @ clear event & interrupt status
+ dsb
+ mov pc, lr
+ENDPROC(tegra_cpu_wfi)
+
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index ff9e6b6c0460..1976e934cdd9 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -1143,15 +1143,35 @@ static void tegra2_emc_clk_init(struct clk *c)
static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate)
{
- long new_rate = rate;
+ long emc_rate;
+ long clk_rate;
- new_rate = tegra_emc_round_rate(new_rate);
- if (new_rate < 0)
+ /*
+ * The slowest entry in the EMC clock table that is at least as
+ * fast as rate.
+ */
+ emc_rate = tegra_emc_round_rate(rate);
+ if (emc_rate < 0)
return c->max_rate;
- BUG_ON(new_rate != tegra2_periph_clk_round_rate(c, new_rate));
+ /*
+ * The fastest rate the PLL will generate that is at most the
+ * requested rate.
+ */
+ clk_rate = tegra2_periph_clk_round_rate(c, emc_rate);
+
+ /*
+ * If this fails, and emc_rate > clk_rate, it's because the maximum
+ * rate in the EMC tables is larger than the maximum rate of the EMC
+ * clock. The EMC clock's max rate is the rate it was running when the
+ * kernel booted. Such a mismatch is probably due to using the wrong
+ * BCT, i.e. using a Tegra20 BCT with an EMC table written for Tegra25.
+ */
+ WARN_ONCE(emc_rate != clk_rate,
+ "emc_rate %ld != clk_rate %ld",
+ emc_rate, clk_rate);
- return new_rate;
+ return emc_rate;
}
static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate)
diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c
new file mode 100644
index 000000000000..6d08b53f92d2
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra30_clocks.c
@@ -0,0 +1,3099 @@
+/*
+ * arch/arm/mach-tegra/tegra30_clocks.c
+ *
+ * Copyright (c) 2010-2011 NVIDIA CORPORATION. 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 as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/syscore_ops.h>
+
+#include <asm/clkdev.h>
+
+#include <mach/iomap.h>
+
+#include "clock.h"
+#include "fuse.h"
+
+#define USE_PLL_LOCK_BITS 0
+
+#define RST_DEVICES_L 0x004
+#define RST_DEVICES_H 0x008
+#define RST_DEVICES_U 0x00C
+#define RST_DEVICES_V 0x358
+#define RST_DEVICES_W 0x35C
+#define RST_DEVICES_SET_L 0x300
+#define RST_DEVICES_CLR_L 0x304
+#define RST_DEVICES_SET_V 0x430
+#define RST_DEVICES_CLR_V 0x434
+#define RST_DEVICES_NUM 5
+
+#define CLK_OUT_ENB_L 0x010
+#define CLK_OUT_ENB_H 0x014
+#define CLK_OUT_ENB_U 0x018
+#define CLK_OUT_ENB_V 0x360
+#define CLK_OUT_ENB_W 0x364
+#define CLK_OUT_ENB_SET_L 0x320
+#define CLK_OUT_ENB_CLR_L 0x324
+#define CLK_OUT_ENB_SET_V 0x440
+#define CLK_OUT_ENB_CLR_V 0x444
+#define CLK_OUT_ENB_NUM 5
+
+#define RST_DEVICES_V_SWR_CPULP_RST_DIS (0x1 << 1)
+#define CLK_OUT_ENB_V_CLK_ENB_CPULP_EN (0x1 << 1)
+
+#define PERIPH_CLK_TO_BIT(c) (1 << (c->u.periph.clk_num % 32))
+#define PERIPH_CLK_TO_RST_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_L, RST_DEVICES_V, 4)
+#define PERIPH_CLK_TO_RST_SET_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_SET_L, RST_DEVICES_SET_V, 8)
+#define PERIPH_CLK_TO_RST_CLR_REG(c) \
+ periph_clk_to_reg((c), RST_DEVICES_CLR_L, RST_DEVICES_CLR_V, 8)
+
+#define PERIPH_CLK_TO_ENB_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_L, CLK_OUT_ENB_V, 4)
+#define PERIPH_CLK_TO_ENB_SET_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_SET_L, CLK_OUT_ENB_SET_V, 8)
+#define PERIPH_CLK_TO_ENB_CLR_REG(c) \
+ periph_clk_to_reg((c), CLK_OUT_ENB_CLR_L, CLK_OUT_ENB_CLR_V, 8)
+
+#define CLK_MASK_ARM 0x44
+#define MISC_CLK_ENB 0x48
+
+#define OSC_CTRL 0x50
+#define OSC_CTRL_OSC_FREQ_MASK (0xF<<28)
+#define OSC_CTRL_OSC_FREQ_13MHZ (0x0<<28)
+#define OSC_CTRL_OSC_FREQ_19_2MHZ (0x4<<28)
+#define OSC_CTRL_OSC_FREQ_12MHZ (0x8<<28)
+#define OSC_CTRL_OSC_FREQ_26MHZ (0xC<<28)
+#define OSC_CTRL_OSC_FREQ_16_8MHZ (0x1<<28)
+#define OSC_CTRL_OSC_FREQ_38_4MHZ (0x5<<28)
+#define OSC_CTRL_OSC_FREQ_48MHZ (0x9<<28)
+#define OSC_CTRL_MASK (0x3f2 | OSC_CTRL_OSC_FREQ_MASK)
+
+#define OSC_CTRL_PLL_REF_DIV_MASK (3<<26)
+#define OSC_CTRL_PLL_REF_DIV_1 (0<<26)
+#define OSC_CTRL_PLL_REF_DIV_2 (1<<26)
+#define OSC_CTRL_PLL_REF_DIV_4 (2<<26)
+
+#define OSC_FREQ_DET 0x58
+#define OSC_FREQ_DET_TRIG (1<<31)
+
+#define OSC_FREQ_DET_STATUS 0x5C
+#define OSC_FREQ_DET_BUSY (1<<31)
+#define OSC_FREQ_DET_CNT_MASK 0xFFFF
+
+#define PERIPH_CLK_SOURCE_I2S1 0x100
+#define PERIPH_CLK_SOURCE_EMC 0x19c
+#define PERIPH_CLK_SOURCE_OSC 0x1fc
+#define PERIPH_CLK_SOURCE_NUM1 \
+ ((PERIPH_CLK_SOURCE_OSC - PERIPH_CLK_SOURCE_I2S1) / 4)
+
+#define PERIPH_CLK_SOURCE_G3D2 0x3b0
+#define PERIPH_CLK_SOURCE_SE 0x42c
+#define PERIPH_CLK_SOURCE_NUM2 \
+ ((PERIPH_CLK_SOURCE_SE - PERIPH_CLK_SOURCE_G3D2) / 4 + 1)
+
+#define AUDIO_DLY_CLK 0x49c
+#define AUDIO_SYNC_CLK_SPDIF 0x4b4
+#define PERIPH_CLK_SOURCE_NUM3 \
+ ((AUDIO_SYNC_CLK_SPDIF - AUDIO_DLY_CLK) / 4 + 1)
+
+#define PERIPH_CLK_SOURCE_NUM (PERIPH_CLK_SOURCE_NUM1 + \
+ PERIPH_CLK_SOURCE_NUM2 + \
+ PERIPH_CLK_SOURCE_NUM3)
+
+#define CPU_SOFTRST_CTRL 0x380
+
+#define PERIPH_CLK_SOURCE_DIVU71_MASK 0xFF
+#define PERIPH_CLK_SOURCE_DIVU16_MASK 0xFFFF
+#define PERIPH_CLK_SOURCE_DIV_SHIFT 0
+#define PERIPH_CLK_SOURCE_DIVIDLE_SHIFT 8
+#define PERIPH_CLK_SOURCE_DIVIDLE_VAL 50
+#define PERIPH_CLK_UART_DIV_ENB (1<<24)
+#define PERIPH_CLK_VI_SEL_EX_SHIFT 24
+#define PERIPH_CLK_VI_SEL_EX_MASK (0x3<<PERIPH_CLK_VI_SEL_EX_SHIFT)
+#define PERIPH_CLK_NAND_DIV_EX_ENB (1<<8)
+#define PERIPH_CLK_DTV_POLARITY_INV (1<<25)
+
+#define AUDIO_SYNC_SOURCE_MASK 0x0F
+#define AUDIO_SYNC_DISABLE_BIT 0x10
+#define AUDIO_SYNC_TAP_NIBBLE_SHIFT(c) ((c->reg_shift - 24) * 4)
+
+#define PLL_BASE 0x0
+#define PLL_BASE_BYPASS (1<<31)
+#define PLL_BASE_ENABLE (1<<30)
+#define PLL_BASE_REF_ENABLE (1<<29)
+#define PLL_BASE_OVERRIDE (1<<28)
+#define PLL_BASE_LOCK (1<<27)
+#define PLL_BASE_DIVP_MASK (0x7<<20)
+#define PLL_BASE_DIVP_SHIFT 20
+#define PLL_BASE_DIVN_MASK (0x3FF<<8)
+#define PLL_BASE_DIVN_SHIFT 8
+#define PLL_BASE_DIVM_MASK (0x1F)
+#define PLL_BASE_DIVM_SHIFT 0
+
+#define PLL_OUT_RATIO_MASK (0xFF<<8)
+#define PLL_OUT_RATIO_SHIFT 8
+#define PLL_OUT_OVERRIDE (1<<2)
+#define PLL_OUT_CLKEN (1<<1)
+#define PLL_OUT_RESET_DISABLE (1<<0)
+
+#define PLL_MISC(c) \
+ (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc)
+#define PLL_MISC_LOCK_ENABLE(c) \
+ (((c)->flags & (PLLU | PLLD)) ? (1<<22) : (1<<18))
+
+#define PLL_MISC_DCCON_SHIFT 20
+#define PLL_MISC_CPCON_SHIFT 8
+#define PLL_MISC_CPCON_MASK (0xF<<PLL_MISC_CPCON_SHIFT)
+#define PLL_MISC_LFCON_SHIFT 4
+#define PLL_MISC_LFCON_MASK (0xF<<PLL_MISC_LFCON_SHIFT)
+#define PLL_MISC_VCOCON_SHIFT 0
+#define PLL_MISC_VCOCON_MASK (0xF<<PLL_MISC_VCOCON_SHIFT)
+#define PLLD_MISC_CLKENABLE (1<<30)
+
+#define PLLU_BASE_POST_DIV (1<<20)
+
+#define PLLD_BASE_DSIB_MUX_SHIFT 25
+#define PLLD_BASE_DSIB_MUX_MASK (1<<PLLD_BASE_DSIB_MUX_SHIFT)
+#define PLLD_BASE_CSI_CLKENABLE (1<<26)
+#define PLLD_MISC_DSI_CLKENABLE (1<<30)
+#define PLLD_MISC_DIV_RST (1<<23)
+#define PLLD_MISC_DCCON_SHIFT 12
+
+#define PLLDU_LFCON_SET_DIVN 600
+
+/* FIXME: OUT_OF_TABLE_CPCON per pll */
+#define OUT_OF_TABLE_CPCON 0x8
+
+#define SUPER_CLK_MUX 0x00
+#define SUPER_STATE_SHIFT 28
+#define SUPER_STATE_MASK (0xF << SUPER_STATE_SHIFT)
+#define SUPER_STATE_STANDBY (0x0 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IDLE (0x1 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_RUN (0x2 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_IRQ (0x3 << SUPER_STATE_SHIFT)
+#define SUPER_STATE_FIQ (0x4 << SUPER_STATE_SHIFT)
+#define SUPER_LP_DIV2_BYPASS (0x1 << 16)
+#define SUPER_SOURCE_MASK 0xF
+#define SUPER_FIQ_SOURCE_SHIFT 12
+#define SUPER_IRQ_SOURCE_SHIFT 8
+#define SUPER_RUN_SOURCE_SHIFT 4
+#define SUPER_IDLE_SOURCE_SHIFT 0
+
+#define SUPER_CLK_DIVIDER 0x04
+#define SUPER_CLOCK_DIV_U71_SHIFT 16
+#define SUPER_CLOCK_DIV_U71_MASK (0xff << SUPER_CLOCK_DIV_U71_SHIFT)
+/* guarantees safe cpu backup */
+#define SUPER_CLOCK_DIV_U71_MIN 0x2
+
+#define BUS_CLK_DISABLE (1<<3)
+#define BUS_CLK_DIV_MASK 0x3
+
+#define PMC_CTRL 0x0
+ #define PMC_CTRL_BLINK_ENB (1 << 7)
+
+#define PMC_DPD_PADS_ORIDE 0x1c
+ #define PMC_DPD_PADS_ORIDE_BLINK_ENB (1 << 20)
+
+#define PMC_BLINK_TIMER_DATA_ON_SHIFT 0
+#define PMC_BLINK_TIMER_DATA_ON_MASK 0x7fff
+#define PMC_BLINK_TIMER_ENB (1 << 15)
+#define PMC_BLINK_TIMER_DATA_OFF_SHIFT 16
+#define PMC_BLINK_TIMER_DATA_OFF_MASK 0xffff
+
+#define PMC_PLLP_WB0_OVERRIDE 0xf8
+#define PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE (1 << 12)
+
+#define UTMIP_PLL_CFG2 0x488
+#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
+#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN (1 << 0)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN (1 << 2)
+#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN (1 << 4)
+
+#define UTMIP_PLL_CFG1 0x484
+#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
+#define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN (1 << 14)
+#define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN (1 << 12)
+#define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN (1 << 16)
+
+#define PLLE_BASE_CML_ENABLE (1<<31)
+#define PLLE_BASE_ENABLE (1<<30)
+#define PLLE_BASE_DIVCML_SHIFT 24
+#define PLLE_BASE_DIVCML_MASK (0xf<<PLLE_BASE_DIVCML_SHIFT)
+#define PLLE_BASE_DIVP_SHIFT 16
+#define PLLE_BASE_DIVP_MASK (0x3f<<PLLE_BASE_DIVP_SHIFT)
+#define PLLE_BASE_DIVN_SHIFT 8
+#define PLLE_BASE_DIVN_MASK (0xFF<<PLLE_BASE_DIVN_SHIFT)
+#define PLLE_BASE_DIVM_SHIFT 0
+#define PLLE_BASE_DIVM_MASK (0xFF<<PLLE_BASE_DIVM_SHIFT)
+#define PLLE_BASE_DIV_MASK \
+ (PLLE_BASE_DIVCML_MASK | PLLE_BASE_DIVP_MASK | \
+ PLLE_BASE_DIVN_MASK | PLLE_BASE_DIVM_MASK)
+#define PLLE_BASE_DIV(m, n, p, cml) \
+ (((cml)<<PLLE_BASE_DIVCML_SHIFT) | ((p)<<PLLE_BASE_DIVP_SHIFT) | \
+ ((n)<<PLLE_BASE_DIVN_SHIFT) | ((m)<<PLLE_BASE_DIVM_SHIFT))
+
+#define PLLE_MISC_SETUP_BASE_SHIFT 16
+#define PLLE_MISC_SETUP_BASE_MASK (0xFFFF<<PLLE_MISC_SETUP_BASE_SHIFT)
+#define PLLE_MISC_READY (1<<15)
+#define PLLE_MISC_LOCK (1<<11)
+#define PLLE_MISC_LOCK_ENABLE (1<<9)
+#define PLLE_MISC_SETUP_EX_SHIFT 2
+#define PLLE_MISC_SETUP_EX_MASK (0x3<<PLLE_MISC_SETUP_EX_SHIFT)
+#define PLLE_MISC_SETUP_MASK \
+ (PLLE_MISC_SETUP_BASE_MASK | PLLE_MISC_SETUP_EX_MASK)
+#define PLLE_MISC_SETUP_VALUE \
+ ((0x7<<PLLE_MISC_SETUP_BASE_SHIFT) | (0x0<<PLLE_MISC_SETUP_EX_SHIFT))
+
+#define PLLE_SS_CTRL 0x68
+#define PLLE_SS_INCINTRV_SHIFT 24
+#define PLLE_SS_INCINTRV_MASK (0x3f<<PLLE_SS_INCINTRV_SHIFT)
+#define PLLE_SS_INC_SHIFT 16
+#define PLLE_SS_INC_MASK (0xff<<PLLE_SS_INC_SHIFT)
+#define PLLE_SS_MAX_SHIFT 0
+#define PLLE_SS_MAX_MASK (0x1ff<<PLLE_SS_MAX_SHIFT)
+#define PLLE_SS_COEFFICIENTS_MASK \
+ (PLLE_SS_INCINTRV_MASK | PLLE_SS_INC_MASK | PLLE_SS_MAX_MASK)
+#define PLLE_SS_COEFFICIENTS_12MHZ \
+ ((0x18<<PLLE_SS_INCINTRV_SHIFT) | (0x1<<PLLE_SS_INC_SHIFT) | \
+ (0x24<<PLLE_SS_MAX_SHIFT))
+#define PLLE_SS_DISABLE ((1<<12) | (1<<11) | (1<<10))
+
+#define PLLE_AUX 0x48c
+#define PLLE_AUX_PLLP_SEL (1<<2)
+#define PLLE_AUX_CML_SATA_ENABLE (1<<1)
+#define PLLE_AUX_CML_PCIE_ENABLE (1<<0)
+
+#define PMC_SATA_PWRGT 0x1ac
+#define PMC_SATA_PWRGT_PLLE_IDDQ_VALUE (1<<5)
+#define PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL (1<<4)
+
+#define ROUND_DIVIDER_UP 0
+#define ROUND_DIVIDER_DOWN 1
+
+/* FIXME: recommended safety delay after lock is detected */
+#define PLL_POST_LOCK_DELAY 100
+
+/**
+* Structure defining the fields for USB UTMI clocks Parameters.
+*/
+struct utmi_clk_param {
+ /* Oscillator Frequency in KHz */
+ u32 osc_frequency;
+ /* UTMIP PLL Enable Delay Count */
+ u8 enable_delay_count;
+ /* UTMIP PLL Stable count */
+ u8 stable_count;
+ /* UTMIP PLL Active delay count */
+ u8 active_delay_count;
+ /* UTMIP PLL Xtal frequency count */
+ u8 xtal_freq_count;
+};
+
+static const struct utmi_clk_param utmi_parameters[] = {
+ {
+ .osc_frequency = 13000000,
+ .enable_delay_count = 0x02,
+ .stable_count = 0x33,
+ .active_delay_count = 0x05,
+ .xtal_freq_count = 0x7F
+ },
+ {
+ .osc_frequency = 19200000,
+ .enable_delay_count = 0x03,
+ .stable_count = 0x4B,
+ .active_delay_count = 0x06,
+ .xtal_freq_count = 0xBB},
+ {
+ .osc_frequency = 12000000,
+ .enable_delay_count = 0x02,
+ .stable_count = 0x2F,
+ .active_delay_count = 0x04,
+ .xtal_freq_count = 0x76
+ },
+ {
+ .osc_frequency = 26000000,
+ .enable_delay_count = 0x04,
+ .stable_count = 0x66,
+ .active_delay_count = 0x09,
+ .xtal_freq_count = 0xFE
+ },
+ {
+ .osc_frequency = 16800000,
+ .enable_delay_count = 0x03,
+ .stable_count = 0x41,
+ .active_delay_count = 0x0A,
+ .xtal_freq_count = 0xA4
+ },
+};
+
+static void __iomem *reg_clk_base = IO_ADDRESS(TEGRA_CLK_RESET_BASE);
+static void __iomem *reg_pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+static void __iomem *misc_gp_hidrev_base = IO_ADDRESS(TEGRA_APB_MISC_BASE);
+
+#define MISC_GP_HIDREV 0x804
+
+/*
+ * Some peripheral clocks share an enable bit, so refcount the enable bits
+ * in registers CLK_ENABLE_L, ... CLK_ENABLE_W
+ */
+static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32];
+
+#define clk_writel(value, reg) \
+ __raw_writel(value, (u32)reg_clk_base + (reg))
+#define clk_readl(reg) \
+ __raw_readl((u32)reg_clk_base + (reg))
+#define pmc_writel(value, reg) \
+ __raw_writel(value, (u32)reg_pmc_base + (reg))
+#define pmc_readl(reg) \
+ __raw_readl((u32)reg_pmc_base + (reg))
+#define chipid_readl() \
+ __raw_readl((u32)misc_gp_hidrev_base + MISC_GP_HIDREV)
+
+#define clk_writel_delay(value, reg) \
+ do { \
+ __raw_writel((value), (u32)reg_clk_base + (reg)); \
+ udelay(2); \
+ } while (0)
+
+
+static inline int clk_set_div(struct clk *c, u32 n)
+{
+ return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n);
+}
+
+static inline u32 periph_clk_to_reg(
+ struct clk *c, u32 reg_L, u32 reg_V, int offs)
+{
+ u32 reg = c->u.periph.clk_num / 32;
+ BUG_ON(reg >= RST_DEVICES_NUM);
+ if (reg < 3)
+ reg = reg_L + (reg * offs);
+ else
+ reg = reg_V + ((reg - 3) * offs);
+ return reg;
+}
+
+static unsigned long clk_measure_input_freq(void)
+{
+ u32 clock_autodetect;
+ clk_writel(OSC_FREQ_DET_TRIG | 1, OSC_FREQ_DET);
+ do {} while (clk_readl(OSC_FREQ_DET_STATUS) & OSC_FREQ_DET_BUSY);
+ clock_autodetect = clk_readl(OSC_FREQ_DET_STATUS);
+ if (clock_autodetect >= 732 - 3 && clock_autodetect <= 732 + 3) {
+ return 12000000;
+ } else if (clock_autodetect >= 794 - 3 && clock_autodetect <= 794 + 3) {
+ return 13000000;
+ } else if (clock_autodetect >= 1172 - 3 && clock_autodetect <= 1172 + 3) {
+ return 19200000;
+ } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) {
+ return 26000000;
+ } else if (clock_autodetect >= 1025 - 3 && clock_autodetect <= 1025 + 3) {
+ return 16800000;
+ } else if (clock_autodetect >= 2344 - 3 && clock_autodetect <= 2344 + 3) {
+ return 38400000;
+ } else if (clock_autodetect >= 2928 - 3 && clock_autodetect <= 2928 + 3) {
+ return 48000000;
+ } else {
+ pr_err("%s: Unexpected clock autodetect value %d", __func__,
+ clock_autodetect);
+ BUG();
+ return 0;
+ }
+}
+
+static int clk_div71_get_divider(unsigned long parent_rate, unsigned long rate,
+ u32 flags, u32 round_mode)
+{
+ s64 divider_u71 = parent_rate;
+ if (!rate)
+ return -EINVAL;
+
+ if (!(flags & DIV_U71_INT))
+ divider_u71 *= 2;
+ if (round_mode == ROUND_DIVIDER_UP)
+ divider_u71 += rate - 1;
+ do_div(divider_u71, rate);
+ if (flags & DIV_U71_INT)
+ divider_u71 *= 2;
+
+ if (divider_u71 - 2 < 0)
+ return 0;
+
+ if (divider_u71 - 2 > 255)
+ return -EINVAL;
+
+ return divider_u71 - 2;
+}
+
+static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate)
+{
+ s64 divider_u16;
+
+ divider_u16 = parent_rate;
+ if (!rate)
+ return -EINVAL;
+ divider_u16 += rate - 1;
+ do_div(divider_u16, rate);
+
+ if (divider_u16 - 1 < 0)
+ return 0;
+
+ if (divider_u16 - 1 > 0xFFFF)
+ return -EINVAL;
+
+ return divider_u16 - 1;
+}
+
+/* clk_m functions */
+static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c)
+{
+ u32 osc_ctrl = clk_readl(OSC_CTRL);
+ u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK;
+ u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK;
+
+ c->rate = clk_measure_input_freq();
+ switch (c->rate) {
+ case 12000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 13000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_13MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 19200000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_19_2MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 26000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 16800000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_16_8MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1);
+ break;
+ case 38400000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_38_4MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_2);
+ break;
+ case 48000000:
+ auto_clock_control |= OSC_CTRL_OSC_FREQ_48MHZ;
+ BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4);
+ break;
+ default:
+ pr_err("%s: Unexpected clock rate %ld", __func__, c->rate);
+ BUG();
+ }
+ clk_writel(auto_clock_control, OSC_CTRL);
+ return c->rate;
+}
+
+static void tegra30_clk_m_init(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ tegra30_clk_m_autodetect_rate(c);
+}
+
+static int tegra30_clk_m_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ return 0;
+}
+
+static void tegra30_clk_m_disable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ WARN(1, "Attempting to disable main SoC clock\n");
+}
+
+static struct clk_ops tegra_clk_m_ops = {
+ .init = tegra30_clk_m_init,
+ .enable = tegra30_clk_m_enable,
+ .disable = tegra30_clk_m_disable,
+};
+
+static struct clk_ops tegra_clk_m_div_ops = {
+ .enable = tegra30_clk_m_enable,
+};
+
+/* PLL reference divider functions */
+static void tegra30_pll_ref_init(struct clk *c)
+{
+ u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ switch (pll_ref_div) {
+ case OSC_CTRL_PLL_REF_DIV_1:
+ c->div = 1;
+ break;
+ case OSC_CTRL_PLL_REF_DIV_2:
+ c->div = 2;
+ break;
+ case OSC_CTRL_PLL_REF_DIV_4:
+ c->div = 4;
+ break;
+ default:
+ pr_err("%s: Invalid pll ref divider %d", __func__, pll_ref_div);
+ BUG();
+ }
+ c->mul = 1;
+ c->state = ON;
+}
+
+static struct clk_ops tegra_pll_ref_ops = {
+ .init = tegra30_pll_ref_init,
+ .enable = tegra30_clk_m_enable,
+ .disable = tegra30_clk_m_disable,
+};
+
+/* super clock functions */
+/* "super clocks" on tegra30 have two-stage muxes, fractional 7.1 divider and
+ * clock skipping super divider. We will ignore the clock skipping divider,
+ * since we can't lower the voltage when using the clock skip, but we can if
+ * we lower the PLL frequency. We will use 7.1 divider for CPU super-clock
+ * only when its parent is a fixed rate PLL, since we can't change PLL rate
+ * in this case.
+ */
+static void tegra30_super_clk_init(struct clk *c)
+{
+ u32 val;
+ int source;
+ int shift;
+ const struct clk_mux_sel *sel;
+ val = clk_readl(c->reg + SUPER_CLK_MUX);
+ c->state = ON;
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ source = (val >> shift) & SUPER_SOURCE_MASK;
+ if (c->flags & DIV_2)
+ source |= val & SUPER_LP_DIV2_BYPASS;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->value == source)
+ break;
+ }
+ BUG_ON(sel->input == NULL);
+ c->parent = sel->input;
+
+ if (c->flags & DIV_U71) {
+ /* Init safe 7.1 divider value (does not affect PLLX path) */
+ clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT,
+ c->reg + SUPER_CLK_DIVIDER);
+ c->mul = 2;
+ c->div = 2;
+ if (!(c->parent->flags & PLLX))
+ c->div += SUPER_CLOCK_DIV_U71_MIN;
+ } else
+ clk_writel(0, c->reg + SUPER_CLK_DIVIDER);
+}
+
+static int tegra30_super_clk_enable(struct clk *c)
+{
+ return 0;
+}
+
+static void tegra30_super_clk_disable(struct clk *c)
+{
+ /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and
+ geared up g-mode super clock - mode switch may request to disable
+ either of them; accept request with no affect on h/w */
+}
+
+static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ int shift;
+
+ val = clk_readl(c->reg + SUPER_CLK_MUX);
+ BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) &&
+ ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE));
+ shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ?
+ SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ /* For LP mode super-clock switch between PLLX direct
+ and divided-by-2 outputs is allowed only when other
+ than PLLX clock source is current parent */
+ if ((c->flags & DIV_2) && (p->flags & PLLX) &&
+ ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) {
+ if (c->parent->flags & PLLX)
+ return -EINVAL;
+ val ^= SUPER_LP_DIV2_BYPASS;
+ clk_writel_delay(val, c->reg);
+ }
+ val &= ~(SUPER_SOURCE_MASK << shift);
+ val |= (sel->value & SUPER_SOURCE_MASK) << shift;
+
+ /* 7.1 divider for CPU super-clock does not affect
+ PLLX path */
+ if (c->flags & DIV_U71) {
+ u32 div = 0;
+ if (!(p->flags & PLLX)) {
+ div = clk_readl(c->reg +
+ SUPER_CLK_DIVIDER);
+ div &= SUPER_CLOCK_DIV_U71_MASK;
+ div >>= SUPER_CLOCK_DIV_U71_SHIFT;
+ }
+ c->div = div + 2;
+ c->mul = 2;
+ }
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel_delay(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+/*
+ * Do not use super clocks "skippers", since dividing using a clock skipper
+ * does not allow the voltage to be scaled down. Instead adjust the rate of
+ * the parent clock. This requires that the parent of a super clock have no
+ * other children, otherwise the rate will change underneath the other
+ * children. Special case: if fixed rate PLL is CPU super clock parent the
+ * rate of this PLL can't be changed, and it has many other children. In
+ * this case use 7.1 fractional divider to adjust the super clock rate.
+ */
+static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) {
+ int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate,
+ rate, c->flags, ROUND_DIVIDER_DOWN);
+ div = max(div, SUPER_CLOCK_DIV_U71_MIN);
+
+ clk_writel(div << SUPER_CLOCK_DIV_U71_SHIFT,
+ c->reg + SUPER_CLK_DIVIDER);
+ c->div = div + 2;
+ c->mul = 2;
+ return 0;
+ }
+ return clk_set_rate(c->parent, rate);
+}
+
+static struct clk_ops tegra_super_ops = {
+ .init = tegra30_super_clk_init,
+ .enable = tegra30_super_clk_enable,
+ .disable = tegra30_super_clk_disable,
+ .set_parent = tegra30_super_clk_set_parent,
+ .set_rate = tegra30_super_clk_set_rate,
+};
+
+static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ /* The input value 'rate' is the clock rate of the CPU complex. */
+ c->rate = (rate * c->mul) / c->div;
+ return 0;
+}
+
+static struct clk_ops tegra30_twd_ops = {
+ .set_rate = tegra30_twd_clk_set_rate,
+};
+
+/* Blink output functions */
+
+static void tegra30_blink_clk_init(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_CTRL);
+ c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF;
+ c->mul = 1;
+ val = pmc_readl(c->reg);
+
+ if (val & PMC_BLINK_TIMER_ENB) {
+ unsigned int on_off;
+
+ on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) &
+ PMC_BLINK_TIMER_DATA_ON_MASK;
+ val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
+ val &= PMC_BLINK_TIMER_DATA_OFF_MASK;
+ on_off += val;
+ /* each tick in the blink timer is 4 32KHz clocks */
+ c->div = on_off * 4;
+ } else {
+ c->div = 1;
+ }
+}
+
+static int tegra30_blink_clk_enable(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_DPD_PADS_ORIDE);
+ pmc_writel(val | PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
+
+ val = pmc_readl(PMC_CTRL);
+ pmc_writel(val | PMC_CTRL_BLINK_ENB, PMC_CTRL);
+
+ return 0;
+}
+
+static void tegra30_blink_clk_disable(struct clk *c)
+{
+ u32 val;
+
+ val = pmc_readl(PMC_CTRL);
+ pmc_writel(val & ~PMC_CTRL_BLINK_ENB, PMC_CTRL);
+
+ val = pmc_readl(PMC_DPD_PADS_ORIDE);
+ pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE);
+}
+
+static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ if (rate >= parent_rate) {
+ c->div = 1;
+ pmc_writel(0, c->reg);
+ } else {
+ unsigned int on_off;
+ u32 val;
+
+ on_off = DIV_ROUND_UP(parent_rate / 8, rate);
+ c->div = on_off * 8;
+
+ val = (on_off & PMC_BLINK_TIMER_DATA_ON_MASK) <<
+ PMC_BLINK_TIMER_DATA_ON_SHIFT;
+ on_off &= PMC_BLINK_TIMER_DATA_OFF_MASK;
+ on_off <<= PMC_BLINK_TIMER_DATA_OFF_SHIFT;
+ val |= on_off;
+ val |= PMC_BLINK_TIMER_ENB;
+ pmc_writel(val, c->reg);
+ }
+
+ return 0;
+}
+
+static struct clk_ops tegra_blink_clk_ops = {
+ .init = &tegra30_blink_clk_init,
+ .enable = &tegra30_blink_clk_enable,
+ .disable = &tegra30_blink_clk_disable,
+ .set_rate = &tegra30_blink_clk_set_rate,
+};
+
+/* PLL Functions */
+static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg,
+ u32 lock_bit)
+{
+#if USE_PLL_LOCK_BITS
+ int i;
+ for (i = 0; i < c->u.pll.lock_delay; i++) {
+ if (clk_readl(lock_reg) & lock_bit) {
+ udelay(PLL_POST_LOCK_DELAY);
+ return 0;
+ }
+ udelay(2); /* timeout = 2 * lock time */
+ }
+ pr_err("Timed out waiting for lock bit on pll %s", c->name);
+ return -1;
+#endif
+ udelay(c->u.pll.lock_delay);
+
+ return 0;
+}
+
+
+static void tegra30_utmi_param_configure(struct clk *c)
+{
+ u32 reg;
+ int i;
+ unsigned long main_rate =
+ clk_get_rate(c->parent->parent);
+
+ for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
+ if (main_rate == utmi_parameters[i].osc_frequency)
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(utmi_parameters)) {
+ pr_err("%s: Unexpected main rate %lu\n", __func__, main_rate);
+ return;
+ }
+
+ reg = clk_readl(UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL stable and active counts */
+ /* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
+ reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
+ reg |= UTMIP_PLL_CFG2_STABLE_COUNT(
+ utmi_parameters[i].stable_count);
+
+ reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(
+ utmi_parameters[i].active_delay_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN;
+
+ clk_writel(reg, UTMIP_PLL_CFG2);
+
+ /* Program UTMIP PLL delay and oscillator frequency counts */
+ reg = clk_readl(UTMIP_PLL_CFG1);
+ reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
+
+ reg |= UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(
+ utmi_parameters[i].enable_delay_count);
+
+ reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
+ reg |= UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(
+ utmi_parameters[i].xtal_freq_count);
+
+ /* Remove power downs from UTMIP PLL control bits */
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN;
+ reg &= ~UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
+
+ clk_writel(reg, UTMIP_PLL_CFG1);
+}
+
+static void tegra30_pll_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg + PLL_BASE);
+
+ c->state = (val & PLL_BASE_ENABLE) ? ON : OFF;
+
+ if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) {
+ const struct clk_pll_freq_table *sel;
+ unsigned long input_rate = clk_get_rate(c->parent);
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate &&
+ sel->output_rate == c->u.pll.fixed_rate) {
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+ return;
+ }
+ }
+ pr_err("Clock %s has unknown fixed frequency\n", c->name);
+ BUG();
+ } else if (val & PLL_BASE_BYPASS) {
+ c->mul = 1;
+ c->div = 1;
+ } else {
+ c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT;
+ c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT;
+ if (c->flags & PLLU)
+ c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2;
+ else
+ c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >>
+ PLL_BASE_DIVP_SHIFT));
+ if (c->flags & PLL_FIXED) {
+ unsigned long rate = clk_get_rate_locked(c);
+ BUG_ON(rate != c->u.pll.fixed_rate);
+ }
+ }
+
+ if (c->flags & PLLU)
+ tegra30_utmi_param_configure(c);
+}
+
+static int tegra30_pll_clk_enable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+#if USE_PLL_LOCK_BITS
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val |= PLL_MISC_LOCK_ENABLE(c);
+ clk_writel(val, c->reg + PLL_MISC(c));
+#endif
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~PLL_BASE_BYPASS;
+ val |= PLL_BASE_ENABLE;
+ clk_writel(val, c->reg + PLL_BASE);
+
+ if (c->flags & PLLM) {
+ val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
+ val |= PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
+ }
+
+ tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_BASE, PLL_BASE_LOCK);
+
+ return 0;
+}
+
+static void tegra30_pll_clk_disable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ clk_writel(val, c->reg);
+
+ if (c->flags & PLLM) {
+ val = pmc_readl(PMC_PLLP_WB0_OVERRIDE);
+ val &= ~PMC_PLLP_WB0_OVERRIDE_PLLM_ENABLE;
+ pmc_writel(val, PMC_PLLP_WB0_OVERRIDE);
+ }
+}
+
+static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val, p_div, old_base;
+ unsigned long input_rate;
+ const struct clk_pll_freq_table *sel;
+ struct clk_pll_freq_table cfg;
+
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & PLL_FIXED) {
+ int ret = 0;
+ if (rate != c->u.pll.fixed_rate) {
+ pr_err("%s: Can not change %s fixed rate %lu to %lu\n",
+ __func__, c->name, c->u.pll.fixed_rate, rate);
+ ret = -EINVAL;
+ }
+ return ret;
+ }
+
+ if (c->flags & PLLM) {
+ if (rate != clk_get_rate_locked(c)) {
+ pr_err("%s: Can not change memory %s rate in flight\n",
+ __func__, c->name);
+ return -EINVAL;
+ }
+ return 0;
+ }
+
+ p_div = 0;
+ input_rate = clk_get_rate(c->parent);
+
+ /* Check if the target rate is tabulated */
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate && sel->output_rate == rate) {
+ if (c->flags & PLLU) {
+ BUG_ON(sel->p < 1 || sel->p > 2);
+ if (sel->p == 1)
+ p_div = PLLU_BASE_POST_DIV;
+ } else {
+ BUG_ON(sel->p < 1);
+ for (val = sel->p; val > 1; val >>= 1)
+ p_div++;
+ p_div <<= PLL_BASE_DIVP_SHIFT;
+ }
+ break;
+ }
+ }
+
+ /* Configure out-of-table rate */
+ if (sel->input_rate == 0) {
+ unsigned long cfreq;
+ BUG_ON(c->flags & PLLU);
+ sel = &cfg;
+
+ switch (input_rate) {
+ case 12000000:
+ case 26000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000;
+ break;
+ case 13000000:
+ cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000;
+ break;
+ case 16800000:
+ case 19200000:
+ cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000;
+ break;
+ default:
+ pr_err("%s: Unexpected reference rate %lu\n",
+ __func__, input_rate);
+ BUG();
+ }
+
+ /* Raise VCO to guarantee 0.5% accuracy */
+ for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq;
+ cfg.output_rate <<= 1)
+ p_div++;
+
+ cfg.p = 0x1 << p_div;
+ cfg.m = input_rate / cfreq;
+ cfg.n = cfg.output_rate / cfreq;
+ cfg.cpcon = OUT_OF_TABLE_CPCON;
+
+ if ((cfg.m > (PLL_BASE_DIVM_MASK >> PLL_BASE_DIVM_SHIFT)) ||
+ (cfg.n > (PLL_BASE_DIVN_MASK >> PLL_BASE_DIVN_SHIFT)) ||
+ (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) ||
+ (cfg.output_rate > c->u.pll.vco_max)) {
+ pr_err("%s: Failed to set %s out-of-table rate %lu\n",
+ __func__, c->name, rate);
+ return -EINVAL;
+ }
+ p_div <<= PLL_BASE_DIVP_SHIFT;
+ }
+
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+
+ old_base = val = clk_readl(c->reg + PLL_BASE);
+ val &= ~(PLL_BASE_DIVM_MASK | PLL_BASE_DIVN_MASK |
+ ((c->flags & PLLU) ? PLLU_BASE_POST_DIV : PLL_BASE_DIVP_MASK));
+ val |= (sel->m << PLL_BASE_DIVM_SHIFT) |
+ (sel->n << PLL_BASE_DIVN_SHIFT) | p_div;
+ if (val == old_base)
+ return 0;
+
+ if (c->state == ON) {
+ tegra30_pll_clk_disable(c);
+ val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE);
+ }
+ clk_writel(val, c->reg + PLL_BASE);
+
+ if (c->flags & PLL_HAS_CPCON) {
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val &= ~PLL_MISC_CPCON_MASK;
+ val |= sel->cpcon << PLL_MISC_CPCON_SHIFT;
+ if (c->flags & (PLLU | PLLD)) {
+ val &= ~PLL_MISC_LFCON_MASK;
+ if (sel->n >= PLLDU_LFCON_SET_DIVN)
+ val |= 0x1 << PLL_MISC_LFCON_SHIFT;
+ } else if (c->flags & (PLLX | PLLM)) {
+ val &= ~(0x1 << PLL_MISC_DCCON_SHIFT);
+ if (rate >= (c->u.pll.vco_max >> 1))
+ val |= 0x1 << PLL_MISC_DCCON_SHIFT;
+ }
+ clk_writel(val, c->reg + PLL_MISC(c));
+ }
+
+ if (c->state == ON)
+ tegra30_pll_clk_enable(c);
+
+ return 0;
+}
+
+static struct clk_ops tegra_pll_ops = {
+ .init = tegra30_pll_clk_init,
+ .enable = tegra30_pll_clk_enable,
+ .disable = tegra30_pll_clk_disable,
+ .set_rate = tegra30_pll_clk_set_rate,
+};
+
+static int
+tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ u32 val, mask, reg;
+
+ switch (p) {
+ case TEGRA_CLK_PLLD_CSI_OUT_ENB:
+ mask = PLLD_BASE_CSI_CLKENABLE;
+ reg = c->reg + PLL_BASE;
+ break;
+ case TEGRA_CLK_PLLD_DSI_OUT_ENB:
+ mask = PLLD_MISC_DSI_CLKENABLE;
+ reg = c->reg + PLL_MISC(c);
+ break;
+ case TEGRA_CLK_PLLD_MIPI_MUX_SEL:
+ if (!(c->flags & PLL_ALT_MISC_REG)) {
+ mask = PLLD_BASE_DSIB_MUX_MASK;
+ reg = c->reg + PLL_BASE;
+ break;
+ }
+ /* fall through - error since PLLD2 does not have MUX_SEL control */
+ default:
+ return -EINVAL;
+ }
+
+ val = clk_readl(reg);
+ if (setting)
+ val |= mask;
+ else
+ val &= ~mask;
+ clk_writel(val, reg);
+ return 0;
+}
+
+static struct clk_ops tegra_plld_ops = {
+ .init = tegra30_pll_clk_init,
+ .enable = tegra30_pll_clk_enable,
+ .disable = tegra30_pll_clk_disable,
+ .set_rate = tegra30_pll_clk_set_rate,
+ .clk_cfg_ex = tegra30_plld_clk_cfg_ex,
+};
+
+static void tegra30_plle_clk_init(struct clk *c)
+{
+ u32 val;
+
+ val = clk_readl(PLLE_AUX);
+ c->parent = (val & PLLE_AUX_PLLP_SEL) ?
+ tegra_get_clock_by_name("pll_p") :
+ tegra_get_clock_by_name("pll_ref");
+
+ val = clk_readl(c->reg + PLL_BASE);
+ c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF;
+ c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT;
+ c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT;
+ c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT;
+}
+
+static void tegra30_plle_clk_disable(struct clk *c)
+{
+ u32 val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
+ clk_writel(val, c->reg + PLL_BASE);
+}
+
+static void tegra30_plle_training(struct clk *c)
+{
+ u32 val;
+
+ /* PLLE is already disabled, and setup cleared;
+ * create falling edge on PLLE IDDQ input */
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val |= PMC_SATA_PWRGT_PLLE_IDDQ_SWCTL;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ val = pmc_readl(PMC_SATA_PWRGT);
+ val &= ~PMC_SATA_PWRGT_PLLE_IDDQ_VALUE;
+ pmc_writel(val, PMC_SATA_PWRGT);
+
+ do {
+ val = clk_readl(c->reg + PLL_MISC(c));
+ } while (!(val & PLLE_MISC_READY));
+}
+
+static int tegra30_plle_configure(struct clk *c, bool force_training)
+{
+ u32 val;
+ const struct clk_pll_freq_table *sel;
+ unsigned long rate = c->u.pll.fixed_rate;
+ unsigned long input_rate = clk_get_rate(c->parent);
+
+ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) {
+ if (sel->input_rate == input_rate && sel->output_rate == rate)
+ break;
+ }
+
+ if (sel->input_rate == 0)
+ return -ENOSYS;
+
+ /* disable PLLE, clear setup fiels */
+ tegra30_plle_clk_disable(c);
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK);
+ clk_writel(val, c->reg + PLL_MISC(c));
+
+ /* training */
+ val = clk_readl(c->reg + PLL_MISC(c));
+ if (force_training || (!(val & PLLE_MISC_READY)))
+ tegra30_plle_training(c);
+
+ /* configure dividers, setup, disable SS */
+ val = clk_readl(c->reg + PLL_BASE);
+ val &= ~PLLE_BASE_DIV_MASK;
+ val |= PLLE_BASE_DIV(sel->m, sel->n, sel->p, sel->cpcon);
+ clk_writel(val, c->reg + PLL_BASE);
+ c->mul = sel->n;
+ c->div = sel->m * sel->p;
+
+ val = clk_readl(c->reg + PLL_MISC(c));
+ val |= PLLE_MISC_SETUP_VALUE;
+ val |= PLLE_MISC_LOCK_ENABLE;
+ clk_writel(val, c->reg + PLL_MISC(c));
+
+ val = clk_readl(PLLE_SS_CTRL);
+ val |= PLLE_SS_DISABLE;
+ clk_writel(val, PLLE_SS_CTRL);
+
+ /* enable and lock PLLE*/
+ val = clk_readl(c->reg + PLL_BASE);
+ val |= (PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE);
+ clk_writel(val, c->reg + PLL_BASE);
+
+ tegra30_pll_clk_wait_for_lock(c, c->reg + PLL_MISC(c), PLLE_MISC_LOCK);
+
+ return 0;
+}
+
+static int tegra30_plle_clk_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+ return tegra30_plle_configure(c, !c->set);
+}
+
+static struct clk_ops tegra_plle_ops = {
+ .init = tegra30_plle_clk_init,
+ .enable = tegra30_plle_clk_enable,
+ .disable = tegra30_plle_clk_disable,
+};
+
+/* Clock divider ops */
+static void tegra30_pll_div_clk_init(struct clk *c)
+{
+ if (c->flags & DIV_U71) {
+ u32 divu71;
+ u32 val = clk_readl(c->reg);
+ val >>= c->reg_shift;
+ c->state = (val & PLL_OUT_CLKEN) ? ON : OFF;
+ if (!(val & PLL_OUT_RESET_DISABLE))
+ c->state = OFF;
+
+ divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT;
+ c->div = (divu71 + 2);
+ c->mul = 2;
+ } else if (c->flags & DIV_2) {
+ c->state = ON;
+ if (c->flags & (PLLD | PLLX)) {
+ c->div = 2;
+ c->mul = 1;
+ } else
+ BUG();
+ } else {
+ c->state = ON;
+ c->div = 1;
+ c->mul = 1;
+ }
+}
+
+static int tegra30_pll_div_clk_enable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val |= PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ return 0;
+ } else if (c->flags & DIV_2) {
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void tegra30_pll_div_clk_disable(struct clk *c)
+{
+ u32 val;
+ u32 new_val;
+
+ pr_debug("%s: %s\n", __func__, c->name);
+ if (c->flags & DIV_U71) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+
+ new_val &= ~(PLL_OUT_CLKEN | PLL_OUT_RESET_DISABLE);
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ }
+}
+
+static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ u32 new_val;
+ int divider_u71;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+ if (c->flags & DIV_U71) {
+ divider_u71 = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider_u71 >= 0) {
+ val = clk_readl(c->reg);
+ new_val = val >> c->reg_shift;
+ new_val &= 0xFFFF;
+ if (c->flags & DIV_U71_FIXED)
+ new_val |= PLL_OUT_OVERRIDE;
+ new_val &= ~PLL_OUT_RATIO_MASK;
+ new_val |= divider_u71 << PLL_OUT_RATIO_SHIFT;
+
+ val &= ~(0xFFFF << c->reg_shift);
+ val |= new_val << c->reg_shift;
+ clk_writel_delay(val, c->reg);
+ c->div = divider_u71 + 2;
+ c->mul = 2;
+ return 0;
+ }
+ } else if (c->flags & DIV_2)
+ return clk_set_rate(c->parent, rate * 2);
+
+ return -EINVAL;
+}
+
+static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate)
+{
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider < 0)
+ return divider;
+ return DIV_ROUND_UP(parent_rate * 2, divider + 2);
+ } else if (c->flags & DIV_2)
+ /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */
+ return rate;
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_pll_div_ops = {
+ .init = tegra30_pll_div_clk_init,
+ .enable = tegra30_pll_div_clk_enable,
+ .disable = tegra30_pll_div_clk_disable,
+ .set_rate = tegra30_pll_div_clk_set_rate,
+ .round_rate = tegra30_pll_div_clk_round_rate,
+};
+
+/* Periph clk ops */
+static inline u32 periph_clk_source_mask(struct clk *c)
+{
+ if (c->flags & MUX8)
+ return 7 << 29;
+ else if (c->flags & MUX_PWM)
+ return 3 << 28;
+ else if (c->flags & MUX_CLK_OUT)
+ return 3 << (c->u.periph.clk_num + 4);
+ else if (c->flags & PLLD)
+ return PLLD_BASE_DSIB_MUX_MASK;
+ else
+ return 3 << 30;
+}
+
+static inline u32 periph_clk_source_shift(struct clk *c)
+{
+ if (c->flags & MUX8)
+ return 29;
+ else if (c->flags & MUX_PWM)
+ return 28;
+ else if (c->flags & MUX_CLK_OUT)
+ return c->u.periph.clk_num + 4;
+ else if (c->flags & PLLD)
+ return PLLD_BASE_DSIB_MUX_SHIFT;
+ else
+ return 30;
+}
+
+static void tegra30_periph_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ const struct clk_mux_sel *mux = 0;
+ const struct clk_mux_sel *sel;
+ if (c->flags & MUX) {
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (((val & periph_clk_source_mask(c)) >>
+ periph_clk_source_shift(c)) == sel->value)
+ mux = sel;
+ }
+ BUG_ON(!mux);
+
+ c->parent = mux->input;
+ } else {
+ c->parent = c->inputs[0].input;
+ }
+
+ if (c->flags & DIV_U71) {
+ u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK;
+ if ((c->flags & DIV_U71_UART) &&
+ (!(val & PERIPH_CLK_UART_DIV_ENB))) {
+ divu71 = 0;
+ }
+ if (c->flags & DIV_U71_IDLE) {
+ val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK <<
+ PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
+ val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL <<
+ PERIPH_CLK_SOURCE_DIVIDLE_SHIFT);
+ clk_writel(val, c->reg);
+ }
+ c->div = divu71 + 2;
+ c->mul = 2;
+ } else if (c->flags & DIV_U16) {
+ u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK;
+ c->div = divu16 + 1;
+ c->mul = 1;
+ } else {
+ c->div = 1;
+ c->mul = 1;
+ }
+
+ c->state = ON;
+ if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
+ c->state = OFF;
+ if (!(c->flags & PERIPH_NO_RESET))
+ if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c))
+ c->state = OFF;
+}
+
+static int tegra30_periph_clk_enable(struct clk *c)
+{
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++;
+ if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1)
+ return 0;
+
+ clk_writel_delay(PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_SET_REG(c));
+ if (!(c->flags & PERIPH_NO_RESET) &&
+ !(c->flags & PERIPH_MANUAL_RESET)) {
+ if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) &
+ PERIPH_CLK_TO_BIT(c)) {
+ udelay(5); /* reset propagation delay */
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_CLR_REG(c));
+ }
+ }
+ return 0;
+}
+
+static void tegra30_periph_clk_disable(struct clk *c)
+{
+ unsigned long val;
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ if (c->refcnt)
+ tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--;
+
+ if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) {
+ /* If peripheral is in the APB bus then read the APB bus to
+ * flush the write operation in apb bus. This will avoid the
+ * peripheral access after disabling clock*/
+ if (c->flags & PERIPH_ON_APB)
+ val = chipid_readl();
+
+ clk_writel_delay(
+ PERIPH_CLK_TO_BIT(c), PERIPH_CLK_TO_ENB_CLR_REG(c));
+ }
+}
+
+static void tegra30_periph_clk_reset(struct clk *c, bool assert)
+{
+ unsigned long val;
+ pr_debug("%s %s on clock %s\n", __func__,
+ assert ? "assert" : "deassert", c->name);
+
+ if (!(c->flags & PERIPH_NO_RESET)) {
+ if (assert) {
+ /* If peripheral is in the APB bus then read the APB
+ * bus to flush the write operation in apb bus. This
+ * will avoid the peripheral access after disabling
+ * clock */
+ if (c->flags & PERIPH_ON_APB)
+ val = chipid_readl();
+
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_SET_REG(c));
+ } else
+ clk_writel(PERIPH_CLK_TO_BIT(c),
+ PERIPH_CLK_TO_RST_CLR_REG(c));
+ }
+}
+
+static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ if (!(c->flags & MUX))
+ return (p == c->parent) ? 0 : (-EINVAL);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ val = clk_readl(c->reg);
+ val &= ~periph_clk_source_mask(c);
+ val |= (sel->value << periph_clk_source_shift(c));
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel_delay(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider >= 0) {
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK;
+ val |= divider;
+ if (c->flags & DIV_U71_UART) {
+ if (divider)
+ val |= PERIPH_CLK_UART_DIV_ENB;
+ else
+ val &= ~PERIPH_CLK_UART_DIV_ENB;
+ }
+ clk_writel_delay(val, c->reg);
+ c->div = divider + 2;
+ c->mul = 2;
+ return 0;
+ }
+ } else if (c->flags & DIV_U16) {
+ divider = clk_div16_get_divider(parent_rate, rate);
+ if (divider >= 0) {
+ val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_SOURCE_DIVU16_MASK;
+ val |= divider;
+ clk_writel_delay(val, c->reg);
+ c->div = divider + 1;
+ c->mul = 1;
+ return 0;
+ }
+ } else if (parent_rate <= rate) {
+ c->div = 1;
+ c->mul = 1;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static long tegra30_periph_clk_round_rate(struct clk *c,
+ unsigned long rate)
+{
+ int divider;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ pr_debug("%s: %s %lu\n", __func__, c->name, rate);
+
+ if (c->flags & DIV_U71) {
+ divider = clk_div71_get_divider(
+ parent_rate, rate, c->flags, ROUND_DIVIDER_UP);
+ if (divider < 0)
+ return divider;
+
+ return DIV_ROUND_UP(parent_rate * 2, divider + 2);
+ } else if (c->flags & DIV_U16) {
+ divider = clk_div16_get_divider(parent_rate, rate);
+ if (divider < 0)
+ return divider;
+ return DIV_ROUND_UP(parent_rate, divider + 1);
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_periph_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+
+/* Periph extended clock configuration ops */
+static int
+tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_VI_INP_SEL) {
+ u32 val = clk_readl(c->reg);
+ val &= ~PERIPH_CLK_VI_SEL_EX_MASK;
+ val |= (setting << PERIPH_CLK_VI_SEL_EX_SHIFT) &
+ PERIPH_CLK_VI_SEL_EX_MASK;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_vi_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_vi_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+static int
+tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) {
+ u32 val = clk_readl(c->reg);
+ if (setting)
+ val |= PERIPH_CLK_NAND_DIV_EX_ENB;
+ else
+ val &= ~PERIPH_CLK_NAND_DIV_EX_ENB;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_nand_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_nand_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+
+static int
+tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ if (p == TEGRA_CLK_DTV_INVERT) {
+ u32 val = clk_readl(c->reg);
+ if (setting)
+ val |= PERIPH_CLK_DTV_POLARITY_INV;
+ else
+ val &= ~PERIPH_CLK_DTV_POLARITY_INV;
+ clk_writel(val, c->reg);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_dtv_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_periph_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p)
+{
+ const struct clk_mux_sel *sel;
+ struct clk *d = tegra_get_clock_by_name("pll_d");
+
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ if (c->refcnt)
+ clk_enable(p);
+
+ /* The DSIB parent selection bit is in PLLD base
+ register - can not do direct r-m-w, must be
+ protected by PLLD lock */
+ tegra_clk_cfg_ex(
+ d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_dsib_clk_ops = {
+ .init = &tegra30_periph_clk_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_parent = &tegra30_dsib_clk_set_parent,
+ .set_rate = &tegra30_periph_clk_set_rate,
+ .round_rate = &tegra30_periph_clk_round_rate,
+ .reset = &tegra30_periph_clk_reset,
+};
+
+/* pciex clock support only reset function */
+static struct clk_ops tegra_pciex_clk_ops = {
+ .reset = tegra30_periph_clk_reset,
+};
+
+/* Output clock ops */
+
+static DEFINE_SPINLOCK(clk_out_lock);
+
+static void tegra30_clk_out_init(struct clk *c)
+{
+ const struct clk_mux_sel *mux = 0;
+ const struct clk_mux_sel *sel;
+ u32 val = pmc_readl(c->reg);
+
+ c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF;
+ c->mul = 1;
+ c->div = 1;
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (((val & periph_clk_source_mask(c)) >>
+ periph_clk_source_shift(c)) == sel->value)
+ mux = sel;
+ }
+ BUG_ON(!mux);
+ c->parent = mux->input;
+}
+
+static int tegra30_clk_out_enable(struct clk *c)
+{
+ u32 val;
+ unsigned long flags;
+
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val |= (0x1 << c->u.periph.clk_num);
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+
+ return 0;
+}
+
+static void tegra30_clk_out_disable(struct clk *c)
+{
+ u32 val;
+ unsigned long flags;
+
+ pr_debug("%s on clock %s\n", __func__, c->name);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val &= ~(0x1 << c->u.periph.clk_num);
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+}
+
+static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ unsigned long flags;
+ const struct clk_mux_sel *sel;
+
+ pr_debug("%s: %s %s\n", __func__, c->name, p->name);
+
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ if (c->refcnt)
+ clk_enable(p);
+
+ spin_lock_irqsave(&clk_out_lock, flags);
+ val = pmc_readl(c->reg);
+ val &= ~periph_clk_source_mask(c);
+ val |= (sel->value << periph_clk_source_shift(c));
+ pmc_writel(val, c->reg);
+ spin_unlock_irqrestore(&clk_out_lock, flags);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_clk_out_ops = {
+ .init = &tegra30_clk_out_init,
+ .enable = &tegra30_clk_out_enable,
+ .disable = &tegra30_clk_out_disable,
+ .set_parent = &tegra30_clk_out_set_parent,
+};
+
+
+/* Clock doubler ops */
+static void tegra30_clk_double_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ c->mul = val & (0x1 << c->reg_shift) ? 1 : 2;
+ c->div = 1;
+ c->state = ON;
+ if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c)))
+ c->state = OFF;
+};
+
+static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate)
+{
+ u32 val;
+ unsigned long parent_rate = clk_get_rate(c->parent);
+ if (rate == parent_rate) {
+ val = clk_readl(c->reg) | (0x1 << c->reg_shift);
+ clk_writel(val, c->reg);
+ c->mul = 1;
+ c->div = 1;
+ return 0;
+ } else if (rate == 2 * parent_rate) {
+ val = clk_readl(c->reg) & (~(0x1 << c->reg_shift));
+ clk_writel(val, c->reg);
+ c->mul = 2;
+ c->div = 1;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_clk_double_ops = {
+ .init = &tegra30_clk_double_init,
+ .enable = &tegra30_periph_clk_enable,
+ .disable = &tegra30_periph_clk_disable,
+ .set_rate = &tegra30_clk_double_set_rate,
+};
+
+/* Audio sync clock ops */
+static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate)
+{
+ c->rate = rate;
+ return 0;
+}
+
+static struct clk_ops tegra_sync_source_ops = {
+ .set_rate = &tegra30_sync_source_set_rate,
+};
+
+static void tegra30_audio_sync_clk_init(struct clk *c)
+{
+ int source;
+ const struct clk_mux_sel *sel;
+ u32 val = clk_readl(c->reg);
+ c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON;
+ source = val & AUDIO_SYNC_SOURCE_MASK;
+ for (sel = c->inputs; sel->input != NULL; sel++)
+ if (sel->value == source)
+ break;
+ BUG_ON(sel->input == NULL);
+ c->parent = sel->input;
+}
+
+static int tegra30_audio_sync_clk_enable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg);
+ return 0;
+}
+
+static void tegra30_audio_sync_clk_disable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg);
+}
+
+static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p)
+{
+ u32 val;
+ const struct clk_mux_sel *sel;
+ for (sel = c->inputs; sel->input != NULL; sel++) {
+ if (sel->input == p) {
+ val = clk_readl(c->reg);
+ val &= ~AUDIO_SYNC_SOURCE_MASK;
+ val |= sel->value;
+
+ if (c->refcnt)
+ clk_enable(p);
+
+ clk_writel(val, c->reg);
+
+ if (c->refcnt && c->parent)
+ clk_disable(c->parent);
+
+ clk_reparent(c, p);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static struct clk_ops tegra_audio_sync_clk_ops = {
+ .init = tegra30_audio_sync_clk_init,
+ .enable = tegra30_audio_sync_clk_enable,
+ .disable = tegra30_audio_sync_clk_disable,
+ .set_parent = tegra30_audio_sync_clk_set_parent,
+};
+
+/* cml0 (pcie), and cml1 (sata) clock ops */
+static void tegra30_cml_clk_init(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF;
+}
+
+static int tegra30_cml_clk_enable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val |= (0x1 << c->u.periph.clk_num);
+ clk_writel(val, c->reg);
+ return 0;
+}
+
+static void tegra30_cml_clk_disable(struct clk *c)
+{
+ u32 val = clk_readl(c->reg);
+ val &= ~(0x1 << c->u.periph.clk_num);
+ clk_writel(val, c->reg);
+}
+
+static struct clk_ops tegra_cml_clk_ops = {
+ .init = &tegra30_cml_clk_init,
+ .enable = &tegra30_cml_clk_enable,
+ .disable = &tegra30_cml_clk_disable,
+};
+
+/* Clock definitions */
+static struct clk tegra_clk_32k = {
+ .name = "clk_32k",
+ .rate = 32768,
+ .ops = NULL,
+ .max_rate = 32768,
+};
+
+static struct clk tegra_clk_m = {
+ .name = "clk_m",
+ .flags = ENABLE_ON_INIT,
+ .ops = &tegra_clk_m_ops,
+ .reg = 0x1fc,
+ .reg_shift = 28,
+ .max_rate = 48000000,
+};
+
+static struct clk tegra_clk_m_div2 = {
+ .name = "clk_m_div2",
+ .ops = &tegra_clk_m_div_ops,
+ .parent = &tegra_clk_m,
+ .mul = 1,
+ .div = 2,
+ .state = ON,
+ .max_rate = 24000000,
+};
+
+static struct clk tegra_clk_m_div4 = {
+ .name = "clk_m_div4",
+ .ops = &tegra_clk_m_div_ops,
+ .parent = &tegra_clk_m,
+ .mul = 1,
+ .div = 4,
+ .state = ON,
+ .max_rate = 12000000,
+};
+
+static struct clk tegra_pll_ref = {
+ .name = "pll_ref",
+ .flags = ENABLE_ON_INIT,
+ .ops = &tegra_pll_ref_ops,
+ .parent = &tegra_clk_m,
+ .max_rate = 26000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
+ { 12000000, 1040000000, 520, 6, 1, 8},
+ { 13000000, 1040000000, 480, 6, 1, 8},
+ { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */
+ { 19200000, 1040000000, 325, 6, 1, 6},
+ { 26000000, 1040000000, 520, 13, 1, 8},
+
+ { 12000000, 832000000, 416, 6, 1, 8},
+ { 13000000, 832000000, 832, 13, 1, 8},
+ { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */
+ { 19200000, 832000000, 260, 6, 1, 8},
+ { 26000000, 832000000, 416, 13, 1, 8},
+
+ { 12000000, 624000000, 624, 12, 1, 8},
+ { 13000000, 624000000, 624, 13, 1, 8},
+ { 16800000, 600000000, 520, 14, 1, 8},
+ { 19200000, 624000000, 520, 16, 1, 8},
+ { 26000000, 624000000, 624, 26, 1, 8},
+
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+
+ { 12000000, 520000000, 520, 12, 1, 8},
+ { 13000000, 520000000, 520, 13, 1, 8},
+ { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */
+ { 19200000, 520000000, 325, 12, 1, 6},
+ { 26000000, 520000000, 520, 26, 1, 8},
+
+ { 12000000, 416000000, 416, 12, 1, 8},
+ { 13000000, 416000000, 416, 13, 1, 8},
+ { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */
+ { 19200000, 416000000, 260, 12, 1, 6},
+ { 26000000, 416000000, 416, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_c = {
+ .name = "pll_c",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0x80,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1400000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_c_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_c_out1 = {
+ .name = "pll_c_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_c,
+ .reg = 0x84,
+ .reg_shift = 0,
+ .max_rate = 700000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_m_freq_table[] = {
+ { 12000000, 666000000, 666, 12, 1, 8},
+ { 13000000, 666000000, 666, 13, 1, 8},
+ { 16800000, 666000000, 555, 14, 1, 8},
+ { 19200000, 666000000, 555, 16, 1, 8},
+ { 26000000, 666000000, 666, 26, 1, 8},
+ { 12000000, 600000000, 600, 12, 1, 8},
+ { 13000000, 600000000, 600, 13, 1, 8},
+ { 16800000, 600000000, 500, 14, 1, 8},
+ { 19200000, 600000000, 375, 12, 1, 6},
+ { 26000000, 600000000, 600, 26, 1, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_m = {
+ .name = "pll_m",
+ .flags = PLL_HAS_CPCON | PLLM,
+ .ops = &tegra_pll_ops,
+ .reg = 0x90,
+ .parent = &tegra_pll_ref,
+ .max_rate = 800000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1200000000,
+ .freq_table = tegra_pll_m_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_m_out1 = {
+ .name = "pll_m_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_m,
+ .reg = 0x94,
+ .reg_shift = 0,
+ .max_rate = 600000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_p_freq_table[] = {
+ { 12000000, 216000000, 432, 12, 2, 8},
+ { 13000000, 216000000, 432, 13, 2, 8},
+ { 16800000, 216000000, 360, 14, 2, 8},
+ { 19200000, 216000000, 360, 16, 2, 8},
+ { 26000000, 216000000, 432, 26, 2, 8},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_p = {
+ .name = "pll_p",
+ .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xa0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 432000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_p_freq_table,
+ .lock_delay = 300,
+ .fixed_rate = 408000000,
+ },
+};
+
+static struct clk tegra_pll_p_out1 = {
+ .name = "pll_p_out1",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 0,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out2 = {
+ .name = "pll_p_out2",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa4,
+ .reg_shift = 16,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out3 = {
+ .name = "pll_p_out3",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 0,
+ .max_rate = 432000000,
+};
+
+static struct clk tegra_pll_p_out4 = {
+ .name = "pll_p_out4",
+ .ops = &tegra_pll_div_ops,
+ .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED,
+ .parent = &tegra_pll_p,
+ .reg = 0xa8,
+ .reg_shift = 16,
+ .max_rate = 432000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_a_freq_table[] = {
+ { 9600000, 564480000, 294, 5, 1, 4},
+ { 9600000, 552960000, 288, 5, 1, 4},
+ { 9600000, 24000000, 5, 2, 1, 1},
+
+ { 28800000, 56448000, 49, 25, 1, 1},
+ { 28800000, 73728000, 64, 25, 1, 1},
+ { 28800000, 24000000, 5, 6, 1, 1},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_a = {
+ .name = "pll_a",
+ .flags = PLL_HAS_CPCON,
+ .ops = &tegra_pll_ops,
+ .reg = 0xb0,
+ .parent = &tegra_pll_p_out1,
+ .max_rate = 700000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1400000000,
+ .freq_table = tegra_pll_a_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_a_out0 = {
+ .name = "pll_a_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_U71,
+ .parent = &tegra_pll_a,
+ .reg = 0xb4,
+ .reg_shift = 0,
+ .max_rate = 100000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_d_freq_table[] = {
+ { 12000000, 216000000, 216, 12, 1, 4},
+ { 13000000, 216000000, 216, 13, 1, 4},
+ { 16800000, 216000000, 180, 14, 1, 4},
+ { 19200000, 216000000, 180, 16, 1, 4},
+ { 26000000, 216000000, 216, 26, 1, 4},
+
+ { 12000000, 594000000, 594, 12, 1, 8},
+ { 13000000, 594000000, 594, 13, 1, 8},
+ { 16800000, 594000000, 495, 14, 1, 8},
+ { 19200000, 594000000, 495, 16, 1, 8},
+ { 26000000, 594000000, 594, 26, 1, 8},
+
+ { 12000000, 1000000000, 1000, 12, 1, 12},
+ { 13000000, 1000000000, 1000, 13, 1, 12},
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 12},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_d = {
+ .name = "pll_d",
+ .flags = PLL_HAS_CPCON | PLLD,
+ .ops = &tegra_plld_ops,
+ .reg = 0xd0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1000000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .freq_table = tegra_pll_d_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk tegra_pll_d_out0 = {
+ .name = "pll_d_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLD,
+ .parent = &tegra_pll_d,
+ .max_rate = 500000000,
+};
+
+static struct clk tegra_pll_d2 = {
+ .name = "pll_d2",
+ .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD,
+ .ops = &tegra_plld_ops,
+ .reg = 0x4b8,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1000000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 40000000,
+ .vco_max = 1000000000,
+ .freq_table = tegra_pll_d_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk tegra_pll_d2_out0 = {
+ .name = "pll_d2_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLD,
+ .parent = &tegra_pll_d2,
+ .max_rate = 500000000,
+};
+
+static struct clk_pll_freq_table tegra_pll_u_freq_table[] = {
+ { 12000000, 480000000, 960, 12, 2, 12},
+ { 13000000, 480000000, 960, 13, 2, 12},
+ { 16800000, 480000000, 400, 7, 2, 5},
+ { 19200000, 480000000, 200, 4, 2, 3},
+ { 26000000, 480000000, 960, 26, 2, 12},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_u = {
+ .name = "pll_u",
+ .flags = PLL_HAS_CPCON | PLLU,
+ .ops = &tegra_pll_ops,
+ .reg = 0xc0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 480000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 40000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 480000000,
+ .vco_max = 960000000,
+ .freq_table = tegra_pll_u_freq_table,
+ .lock_delay = 1000,
+ },
+};
+
+static struct clk_pll_freq_table tegra_pll_x_freq_table[] = {
+ /* 1.7 GHz */
+ { 12000000, 1700000000, 850, 6, 1, 8},
+ { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */
+ { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */
+ { 26000000, 1700000000, 850, 13, 1, 8},
+
+ /* 1.6 GHz */
+ { 12000000, 1600000000, 800, 6, 1, 8},
+ { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */
+ { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */
+ { 19200000, 1600000000, 500, 6, 1, 8},
+ { 26000000, 1600000000, 800, 13, 1, 8},
+
+ /* 1.5 GHz */
+ { 12000000, 1500000000, 750, 6, 1, 8},
+ { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */
+ { 16800000, 1500000000, 625, 7, 1, 8},
+ { 19200000, 1500000000, 625, 8, 1, 8},
+ { 26000000, 1500000000, 750, 13, 1, 8},
+
+ /* 1.4 GHz */
+ { 12000000, 1400000000, 700, 6, 1, 8},
+ { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */
+ { 16800000, 1400000000, 1000, 12, 1, 8},
+ { 19200000, 1400000000, 875, 12, 1, 8},
+ { 26000000, 1400000000, 700, 13, 1, 8},
+
+ /* 1.3 GHz */
+ { 12000000, 1300000000, 975, 9, 1, 8},
+ { 13000000, 1300000000, 1000, 10, 1, 8},
+ { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */
+ { 26000000, 1300000000, 650, 13, 1, 8},
+
+ /* 1.2 GHz */
+ { 12000000, 1200000000, 1000, 10, 1, 8},
+ { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */
+ { 16800000, 1200000000, 1000, 14, 1, 8},
+ { 19200000, 1200000000, 1000, 16, 1, 8},
+ { 26000000, 1200000000, 600, 13, 1, 8},
+
+ /* 1.1 GHz */
+ { 12000000, 1100000000, 825, 9, 1, 8},
+ { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */
+ { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */
+ { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */
+ { 26000000, 1100000000, 550, 13, 1, 8},
+
+ /* 1 GHz */
+ { 12000000, 1000000000, 1000, 12, 1, 8},
+ { 13000000, 1000000000, 1000, 13, 1, 8},
+ { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */
+ { 19200000, 1000000000, 625, 12, 1, 8},
+ { 26000000, 1000000000, 1000, 26, 1, 8},
+
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_x = {
+ .name = "pll_x",
+ .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX,
+ .ops = &tegra_pll_ops,
+ .reg = 0xe0,
+ .parent = &tegra_pll_ref,
+ .max_rate = 1700000000,
+ .u.pll = {
+ .input_min = 2000000,
+ .input_max = 31000000,
+ .cf_min = 1000000,
+ .cf_max = 6000000,
+ .vco_min = 20000000,
+ .vco_max = 1700000000,
+ .freq_table = tegra_pll_x_freq_table,
+ .lock_delay = 300,
+ },
+};
+
+static struct clk tegra_pll_x_out0 = {
+ .name = "pll_x_out0",
+ .ops = &tegra_pll_div_ops,
+ .flags = DIV_2 | PLLX,
+ .parent = &tegra_pll_x,
+ .max_rate = 850000000,
+};
+
+
+static struct clk_pll_freq_table tegra_pll_e_freq_table[] = {
+ /* PLLE special case: use cpcon field to store cml divider value */
+ { 12000000, 100000000, 150, 1, 18, 11},
+ { 216000000, 100000000, 200, 18, 24, 13},
+ { 0, 0, 0, 0, 0, 0 },
+};
+
+static struct clk tegra_pll_e = {
+ .name = "pll_e",
+ .flags = PLL_ALT_MISC_REG,
+ .ops = &tegra_plle_ops,
+ .reg = 0xe8,
+ .max_rate = 100000000,
+ .u.pll = {
+ .input_min = 12000000,
+ .input_max = 216000000,
+ .cf_min = 12000000,
+ .cf_max = 12000000,
+ .vco_min = 1200000000,
+ .vco_max = 2400000000U,
+ .freq_table = tegra_pll_e_freq_table,
+ .lock_delay = 300,
+ .fixed_rate = 100000000,
+ },
+};
+
+static struct clk tegra_cml0_clk = {
+ .name = "cml0",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_cml_clk_ops,
+ .reg = PLLE_AUX,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 0,
+ },
+};
+
+static struct clk tegra_cml1_clk = {
+ .name = "cml1",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_cml_clk_ops,
+ .reg = PLLE_AUX,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 1,
+ },
+};
+
+static struct clk tegra_pciex_clk = {
+ .name = "pciex",
+ .parent = &tegra_pll_e,
+ .ops = &tegra_pciex_clk_ops,
+ .max_rate = 100000000,
+ .u.periph = {
+ .clk_num = 74,
+ },
+};
+
+/* Audio sync clocks */
+#define SYNC_SOURCE(_id) \
+ { \
+ .name = #_id "_sync", \
+ .rate = 24000000, \
+ .max_rate = 24000000, \
+ .ops = &tegra_sync_source_ops \
+ }
+static struct clk tegra_sync_source_list[] = {
+ SYNC_SOURCE(spdif_in),
+ SYNC_SOURCE(i2s0),
+ SYNC_SOURCE(i2s1),
+ SYNC_SOURCE(i2s2),
+ SYNC_SOURCE(i2s3),
+ SYNC_SOURCE(i2s4),
+ SYNC_SOURCE(vimclk),
+};
+
+static struct clk_mux_sel mux_audio_sync_clk[] = {
+ { .input = &tegra_sync_source_list[0], .value = 0},
+ { .input = &tegra_sync_source_list[1], .value = 1},
+ { .input = &tegra_sync_source_list[2], .value = 2},
+ { .input = &tegra_sync_source_list[3], .value = 3},
+ { .input = &tegra_sync_source_list[4], .value = 4},
+ { .input = &tegra_sync_source_list[5], .value = 5},
+ { .input = &tegra_pll_a_out0, .value = 6},
+ { .input = &tegra_sync_source_list[6], .value = 7},
+ { 0, 0 }
+};
+
+#define AUDIO_SYNC_CLK(_id, _index) \
+ { \
+ .name = #_id, \
+ .inputs = mux_audio_sync_clk, \
+ .reg = 0x4A0 + (_index) * 4, \
+ .max_rate = 24000000, \
+ .ops = &tegra_audio_sync_clk_ops \
+ }
+static struct clk tegra_clk_audio_list[] = {
+ AUDIO_SYNC_CLK(audio0, 0),
+ AUDIO_SYNC_CLK(audio1, 1),
+ AUDIO_SYNC_CLK(audio2, 2),
+ AUDIO_SYNC_CLK(audio3, 3),
+ AUDIO_SYNC_CLK(audio4, 4),
+ AUDIO_SYNC_CLK(audio, 5), /* SPDIF */
+};
+
+#define AUDIO_SYNC_2X_CLK(_id, _index) \
+ { \
+ .name = #_id "_2x", \
+ .flags = PERIPH_NO_RESET, \
+ .max_rate = 48000000, \
+ .ops = &tegra_clk_double_ops, \
+ .reg = 0x49C, \
+ .reg_shift = 24 + (_index), \
+ .parent = &tegra_clk_audio_list[(_index)], \
+ .u.periph = { \
+ .clk_num = 113 + (_index), \
+ }, \
+ }
+static struct clk tegra_clk_audio_2x_list[] = {
+ AUDIO_SYNC_2X_CLK(audio0, 0),
+ AUDIO_SYNC_2X_CLK(audio1, 1),
+ AUDIO_SYNC_2X_CLK(audio2, 2),
+ AUDIO_SYNC_2X_CLK(audio3, 3),
+ AUDIO_SYNC_2X_CLK(audio4, 4),
+ AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */
+};
+
+#define MUX_I2S_SPDIF(_id, _index) \
+static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \
+ {.input = &tegra_pll_a_out0, .value = 0}, \
+ {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \
+ {.input = &tegra_pll_p, .value = 2}, \
+ {.input = &tegra_clk_m, .value = 3}, \
+ { 0, 0}, \
+}
+MUX_I2S_SPDIF(audio0, 0);
+MUX_I2S_SPDIF(audio1, 1);
+MUX_I2S_SPDIF(audio2, 2);
+MUX_I2S_SPDIF(audio3, 3);
+MUX_I2S_SPDIF(audio4, 4);
+MUX_I2S_SPDIF(audio, 5); /* SPDIF */
+
+/* External clock outputs (through PMC) */
+#define MUX_EXTERN_OUT(_id) \
+static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \
+ {.input = &tegra_clk_m, .value = 0}, \
+ {.input = &tegra_clk_m_div2, .value = 1}, \
+ {.input = &tegra_clk_m_div4, .value = 2}, \
+ {.input = NULL, .value = 3}, /* placeholder */ \
+ { 0, 0}, \
+}
+MUX_EXTERN_OUT(1);
+MUX_EXTERN_OUT(2);
+MUX_EXTERN_OUT(3);
+
+static struct clk_mux_sel *mux_extern_out_list[] = {
+ mux_clkm_clkm2_clkm4_extern1,
+ mux_clkm_clkm2_clkm4_extern2,
+ mux_clkm_clkm2_clkm4_extern3,
+};
+
+#define CLK_OUT_CLK(_id) \
+ { \
+ .name = "clk_out_" #_id, \
+ .lookup = { \
+ .dev_id = "clk_out_" #_id, \
+ .con_id = "extern" #_id, \
+ }, \
+ .ops = &tegra_clk_out_ops, \
+ .reg = 0x1a8, \
+ .inputs = mux_clkm_clkm2_clkm4_extern##_id, \
+ .flags = MUX_CLK_OUT, \
+ .max_rate = 216000000, \
+ .u.periph = { \
+ .clk_num = (_id - 1) * 8 + 2, \
+ }, \
+ }
+static struct clk tegra_clk_out_list[] = {
+ CLK_OUT_CLK(1),
+ CLK_OUT_CLK(2),
+ CLK_OUT_CLK(3),
+};
+
+/* called after peripheral external clocks are initialized */
+static void init_clk_out_mux(void)
+{
+ int i;
+ struct clk *c;
+
+ /* output clock con_id is the name of peripheral
+ external clock connected to input 3 of the output mux */
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) {
+ c = tegra_get_clock_by_name(
+ tegra_clk_out_list[i].lookup.con_id);
+ if (!c)
+ pr_err("%s: could not find clk %s\n", __func__,
+ tegra_clk_out_list[i].lookup.con_id);
+ mux_extern_out_list[i][3].input = c;
+ }
+}
+
+/* Peripheral muxes */
+static struct clk_mux_sel mux_sclk[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c_out1, .value = 1},
+ { .input = &tegra_pll_p_out4, .value = 2},
+ { .input = &tegra_pll_p_out3, .value = 3},
+ { .input = &tegra_pll_p_out2, .value = 4},
+ /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */
+ { .input = &tegra_clk_32k, .value = 6},
+ { .input = &tegra_pll_m_out1, .value = 7},
+ { 0, 0},
+};
+
+static struct clk tegra_clk_sclk = {
+ .name = "sclk",
+ .inputs = mux_sclk,
+ .reg = 0x28,
+ .ops = &tegra_super_ops,
+ .max_rate = 334000000,
+ .min_rate = 40000000,
+};
+
+static struct clk tegra_clk_blink = {
+ .name = "blink",
+ .parent = &tegra_clk_32k,
+ .reg = 0x40,
+ .ops = &tegra_blink_clk_ops,
+ .max_rate = 32768,
+};
+
+static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = {
+ { .input = &tegra_pll_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_pll_a_out0, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = {
+ { .input = &tegra_pll_p, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_pll_m, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_clkm[] = {
+ { .input = &tegra_pll_p, .value = 0},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_d_out0, .value = 1},
+ {.input = &tegra_pll_c, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_m, .value = 1},
+ {.input = &tegra_pll_d_out0, .value = 2},
+ {.input = &tegra_pll_a_out0, .value = 3},
+ {.input = &tegra_pll_c, .value = 4},
+ {.input = &tegra_pll_d2_out0, .value = 5},
+ {.input = &tegra_clk_m, .value = 6},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = {
+ { .input = &tegra_pll_a_out0, .value = 0},
+ /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_clk_32k, .value = 2},
+ {.input = &tegra_clk_m, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_clk_m, .value = 2},
+ {.input = &tegra_clk_32k, .value = 3},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_pllc_pllm[] = {
+ {.input = &tegra_pll_p, .value = 0},
+ {.input = &tegra_pll_c, .value = 1},
+ {.input = &tegra_pll_m, .value = 2},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_m[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_pllp_out3[] = {
+ { .input = &tegra_pll_p_out3, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plld_out0[] = {
+ { .input = &tegra_pll_d_out0, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plld_out0_plld2_out0[] = {
+ { .input = &tegra_pll_d_out0, .value = 0},
+ { .input = &tegra_pll_d2_out0, .value = 1},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_clk_32k[] = {
+ { .input = &tegra_clk_32k, .value = 0},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = {
+ { .input = &tegra_pll_a_out0, .value = 0},
+ { .input = &tegra_clk_32k, .value = 1},
+ { .input = &tegra_pll_p, .value = 2},
+ { .input = &tegra_clk_m, .value = 3},
+ { .input = &tegra_pll_e, .value = 4},
+ { 0, 0},
+};
+
+static struct clk_mux_sel mux_cclk_g[] = {
+ { .input = &tegra_clk_m, .value = 0},
+ { .input = &tegra_pll_c, .value = 1},
+ { .input = &tegra_clk_32k, .value = 2},
+ { .input = &tegra_pll_m, .value = 3},
+ { .input = &tegra_pll_p, .value = 4},
+ { .input = &tegra_pll_p_out4, .value = 5},
+ { .input = &tegra_pll_p_out3, .value = 6},
+ { .input = &tegra_pll_x, .value = 8},
+ { 0, 0},
+};
+
+static struct clk tegra_clk_cclk_g = {
+ .name = "cclk_g",
+ .flags = DIV_U71 | DIV_U71_INT,
+ .inputs = mux_cclk_g,
+ .reg = 0x368,
+ .ops = &tegra_super_ops,
+ .max_rate = 1700000000,
+};
+
+static struct clk tegra30_clk_twd = {
+ .parent = &tegra_clk_cclk_g,
+ .name = "twd",
+ .ops = &tegra30_twd_ops,
+ .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */
+ .mul = 1,
+ .div = 2,
+};
+
+#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = &tegra_periph_clk_ops, \
+ .reg = _reg, \
+ .inputs = _inputs, \
+ .flags = _flags, \
+ .max_rate = _max, \
+ .u.periph = { \
+ .clk_num = _clk_num, \
+ }, \
+ }
+
+#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \
+ _flags, _ops) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = _ops, \
+ .reg = _reg, \
+ .inputs = _inputs, \
+ .flags = _flags, \
+ .max_rate = _max, \
+ .u.periph = { \
+ .clk_num = _clk_num, \
+ }, \
+ }
+
+#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ .ops = &tegra_clk_shared_bus_ops, \
+ .parent = _parent, \
+ .u.shared_bus_user = { \
+ .client_id = _id, \
+ .client_div = _div, \
+ .mode = _mode, \
+ }, \
+ }
+struct clk tegra_list_clks[] = {
+ PERIPH_CLK("apbdma", "tegra-dma", NULL, 34, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB),
+ PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB),
+ PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB),
+ PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB),
+ PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0),
+ PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0),
+ PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0),
+ PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops),
+ PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */
+ PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */
+ PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71),
+ PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */
+ PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB),
+ PERIPH_CLK("uarta", "tegra_uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartb", "tegra_uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartc", "tegra_uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartd", "tegra_uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarte", "tegra_uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarta_dbg", "serial8250.0", "uarta", 6, 0x178, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartb_dbg", "serial8250.0", "uartb", 7, 0x17c, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartc_dbg", "serial8250.0", "uartc", 55, 0x1a0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uartd_dbg", "serial8250.0", "uartd", 65, 0x1c0, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK("uarte_dbg", "serial8250.0", "uarte", 66, 0x1c4, 800000000, mux_pllp_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB),
+ PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops),
+ PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET),
+ PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET),
+ PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE),
+ PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET),
+ PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT),
+ PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops),
+ PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */
+ PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8),
+ PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8),
+ PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */
+ PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0),
+ PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops),
+ PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0),
+ PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */
+ PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET),
+
+ PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71),
+ PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71),
+ PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71),
+ PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB),
+ PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0),
+ PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT),
+};
+
+#define CLK_DUPLICATE(_name, _dev, _con) \
+ { \
+ .name = _name, \
+ .lookup = { \
+ .dev_id = _dev, \
+ .con_id = _con, \
+ }, \
+ }
+
+/* Some clocks may be used by different drivers depending on the board
+ * configuration. List those here to register them twice in the clock lookup
+ * table under two names.
+ */
+struct clk_duplicate tegra_clk_duplicates[] = {
+ CLK_DUPLICATE("usbd", "utmip-pad", NULL),
+ CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL),
+ CLK_DUPLICATE("usbd", "tegra-otg", NULL),
+ CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"),
+ CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"),
+ CLK_DUPLICATE("dsib", "tegradc.0", "dsib"),
+ CLK_DUPLICATE("dsia", "tegradc.1", "dsia"),
+ CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL),
+ CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL),
+ CLK_DUPLICATE("bsev", "tegra-avp", "bsev"),
+ CLK_DUPLICATE("bsev", "nvavp", "bsev"),
+ CLK_DUPLICATE("vde", "tegra-aes", "vde"),
+ CLK_DUPLICATE("bsea", "tegra-aes", "bsea"),
+ CLK_DUPLICATE("bsea", "nvavp", "bsea"),
+ CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL),
+ CLK_DUPLICATE("cml0", "tegra_pcie", "cml"),
+ CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"),
+ CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL),
+ CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL),
+ CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL),
+ CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL),
+ CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL),
+ CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL),
+ CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL),
+ CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL),
+ CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL),
+ CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL),
+ CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL),
+ CLK_DUPLICATE("twd", "smp_twd", NULL),
+ CLK_DUPLICATE("vcp", "nvavp", "vcp"),
+};
+
+struct clk *tegra_ptr_clks[] = {
+ &tegra_clk_32k,
+ &tegra_clk_m,
+ &tegra_clk_m_div2,
+ &tegra_clk_m_div4,
+ &tegra_pll_ref,
+ &tegra_pll_m,
+ &tegra_pll_m_out1,
+ &tegra_pll_c,
+ &tegra_pll_c_out1,
+ &tegra_pll_p,
+ &tegra_pll_p_out1,
+ &tegra_pll_p_out2,
+ &tegra_pll_p_out3,
+ &tegra_pll_p_out4,
+ &tegra_pll_a,
+ &tegra_pll_a_out0,
+ &tegra_pll_d,
+ &tegra_pll_d_out0,
+ &tegra_pll_d2,
+ &tegra_pll_d2_out0,
+ &tegra_pll_u,
+ &tegra_pll_x,
+ &tegra_pll_x_out0,
+ &tegra_pll_e,
+ &tegra_clk_cclk_g,
+ &tegra_cml0_clk,
+ &tegra_cml1_clk,
+ &tegra_pciex_clk,
+ &tegra_clk_sclk,
+ &tegra_clk_blink,
+ &tegra30_clk_twd,
+};
+
+
+static void tegra30_init_one_clock(struct clk *c)
+{
+ clk_init(c);
+ INIT_LIST_HEAD(&c->shared_bus_list);
+ if (!c->lookup.dev_id && !c->lookup.con_id)
+ c->lookup.con_id = c->name;
+ c->lookup.clk = c;
+ clkdev_add(&c->lookup);
+}
+
+void __init tegra30_init_clocks(void)
+{
+ int i;
+ struct clk *c;
+
+ for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++)
+ tegra30_init_one_clock(tegra_ptr_clks[i]);
+
+ for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++)
+ tegra30_init_one_clock(&tegra_list_clks[i]);
+
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) {
+ c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name);
+ if (!c) {
+ pr_err("%s: Unknown duplicate clock %s\n", __func__,
+ tegra_clk_duplicates[i].name);
+ continue;
+ }
+
+ tegra_clk_duplicates[i].lookup.clk = c;
+ clkdev_add(&tegra_clk_duplicates[i].lookup);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++)
+ tegra30_init_one_clock(&tegra_sync_source_list[i]);
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++)
+ tegra30_init_one_clock(&tegra_clk_audio_list[i]);
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++)
+ tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]);
+
+ init_clk_out_mux();
+ for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++)
+ tegra30_init_one_clock(&tegra_clk_out_list[i]);
+
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-25 01:38:51 +0300