diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2018-10-01 14:20:45 +0300 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2018-10-01 14:20:45 +0300 |
commit | 30aa69e7bd9f7af3574120249eecb3726dcaf737 (patch) | |
tree | b4a9ec1374ec9aed1022fdb32802c483952e5a97 /drivers/pinctrl/intel | |
parent | 63e037bc51b32d414cd07dd700e71359ce27a11f (diff) | |
parent | 17b57b1883c1285f3d0dc2266e8f79286a7bef38 (diff) | |
download | linux-30aa69e7bd9f7af3574120249eecb3726dcaf737.tar.xz |
Merge tag 'v4.19-rc6' into devel
This is the 4.19-rc6 release
I needed to merge this in because of extensive conflicts in
the MSM and Intel pin control drivers. I know how to resolve
them, so let's do it like this.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r-- | drivers/pinctrl/intel/pinctrl-cannonlake.c | 35 | ||||
-rw-r--r-- | drivers/pinctrl/intel/pinctrl-intel.c | 143 |
2 files changed, 84 insertions, 94 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-cannonlake.c b/drivers/pinctrl/intel/pinctrl-cannonlake.c index bd0a5f137f73..fb121b3ed2f2 100644 --- a/drivers/pinctrl/intel/pinctrl-cannonlake.c +++ b/drivers/pinctrl/intel/pinctrl-cannonlake.c @@ -15,10 +15,11 @@ #include "pinctrl-intel.h" -#define CNL_PAD_OWN 0x020 -#define CNL_PADCFGLOCK 0x080 -#define CNL_HOSTSW_OWN 0x0b0 -#define CNL_GPI_IE 0x120 +#define CNL_PAD_OWN 0x020 +#define CNL_PADCFGLOCK 0x080 +#define CNL_LP_HOSTSW_OWN 0x0b0 +#define CNL_H_HOSTSW_OWN 0x0c0 +#define CNL_GPI_IE 0x120 #define CNL_GPP(r, s, e, g) \ { \ @@ -30,12 +31,12 @@ #define CNL_NO_GPIO -1 -#define CNL_COMMUNITY(b, s, e, g) \ +#define CNL_COMMUNITY(b, s, e, o, g) \ { \ .barno = (b), \ .padown_offset = CNL_PAD_OWN, \ .padcfglock_offset = CNL_PADCFGLOCK, \ - .hostown_offset = CNL_HOSTSW_OWN, \ + .hostown_offset = (o), \ .ie_offset = CNL_GPI_IE, \ .pin_base = (s), \ .npins = ((e) - (s) + 1), \ @@ -43,6 +44,12 @@ .ngpps = ARRAY_SIZE(g), \ } +#define CNLLP_COMMUNITY(b, s, e, g) \ + CNL_COMMUNITY(b, s, e, CNL_LP_HOSTSW_OWN, g) + +#define CNLH_COMMUNITY(b, s, e, g) \ + CNL_COMMUNITY(b, s, e, CNL_H_HOSTSW_OWN, g) + /* Cannon Lake-H */ static const struct pinctrl_pin_desc cnlh_pins[] = { /* GPP_A */ @@ -379,7 +386,7 @@ static const struct intel_padgroup cnlh_community1_gpps[] = { static const struct intel_padgroup cnlh_community3_gpps[] = { CNL_GPP(0, 155, 178, 192), /* GPP_K */ CNL_GPP(1, 179, 202, 224), /* GPP_H */ - CNL_GPP(2, 203, 215, 258), /* GPP_E */ + CNL_GPP(2, 203, 215, 256), /* GPP_E */ CNL_GPP(3, 216, 239, 288), /* GPP_F */ CNL_GPP(4, 240, 248, CNL_NO_GPIO), /* SPI */ }; @@ -442,10 +449,10 @@ static const struct intel_function cnlh_functions[] = { }; static const struct intel_community cnlh_communities[] = { - CNL_COMMUNITY(0, 0, 50, cnlh_community0_gpps), - CNL_COMMUNITY(1, 51, 154, cnlh_community1_gpps), - CNL_COMMUNITY(2, 155, 248, cnlh_community3_gpps), - CNL_COMMUNITY(3, 249, 298, cnlh_community4_gpps), + CNLH_COMMUNITY(0, 0, 50, cnlh_community0_gpps), + CNLH_COMMUNITY(1, 51, 154, cnlh_community1_gpps), + CNLH_COMMUNITY(2, 155, 248, cnlh_community3_gpps), + CNLH_COMMUNITY(3, 249, 298, cnlh_community4_gpps), }; static const struct intel_pinctrl_soc_data cnlh_soc_data = { @@ -803,9 +810,9 @@ static const struct intel_padgroup cnllp_community4_gpps[] = { }; static const struct intel_community cnllp_communities[] = { - CNL_COMMUNITY(0, 0, 67, cnllp_community0_gpps), - CNL_COMMUNITY(1, 68, 180, cnllp_community1_gpps), - CNL_COMMUNITY(2, 181, 243, cnllp_community4_gpps), + CNLLP_COMMUNITY(0, 0, 67, cnllp_community0_gpps), + CNLLP_COMMUNITY(1, 68, 180, cnllp_community1_gpps), + CNLLP_COMMUNITY(2, 181, 243, cnllp_community4_gpps), }; static const struct intel_pinctrl_soc_data cnllp_soc_data = { diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c index 9a75acc3f90b..692c2bd1faed 100644 --- a/drivers/pinctrl/intel/pinctrl-intel.c +++ b/drivers/pinctrl/intel/pinctrl-intel.c @@ -750,13 +750,63 @@ static const struct pinctrl_desc intel_pinctrl_desc = { .owner = THIS_MODULE, }; +/** + * intel_gpio_to_pin() - Translate from GPIO offset to pin number + * @pctrl: Pinctrl structure + * @offset: GPIO offset from gpiolib + * @commmunity: Community is filled here if not %NULL + * @padgrp: Pad group is filled here if not %NULL + * + * When coming through gpiolib irqchip, the GPIO offset is not + * automatically translated to pinctrl pin number. This function can be + * used to find out the corresponding pinctrl pin. + */ +static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned offset, + const struct intel_community **community, + const struct intel_padgroup **padgrp) +{ + int i; + + for (i = 0; i < pctrl->ncommunities; i++) { + const struct intel_community *comm = &pctrl->communities[i]; + int j; + + for (j = 0; j < comm->ngpps; j++) { + const struct intel_padgroup *pgrp = &comm->gpps[j]; + + if (pgrp->gpio_base < 0) + continue; + + if (offset >= pgrp->gpio_base && + offset < pgrp->gpio_base + pgrp->size) { + int pin; + + pin = pgrp->base + offset - pgrp->gpio_base; + if (community) + *community = comm; + if (padgrp) + *padgrp = pgrp; + + return pin; + } + } + } + + return -EINVAL; +} + static int intel_gpio_get(struct gpio_chip *chip, unsigned offset) { struct intel_pinctrl *pctrl = gpiochip_get_data(chip); void __iomem *reg; u32 padcfg0; + int pin; - reg = intel_get_padcfg(pctrl, offset, PADCFG0); + pin = intel_gpio_to_pin(pctrl, offset, NULL, NULL); + if (pin < 0) + return -EINVAL; + + reg = intel_get_padcfg(pctrl, pin, PADCFG0); if (!reg) return -EINVAL; @@ -773,8 +823,13 @@ static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value) unsigned long flags; void __iomem *reg; u32 padcfg0; + int pin; - reg = intel_get_padcfg(pctrl, offset, PADCFG0); + pin = intel_gpio_to_pin(pctrl, offset, NULL, NULL); + if (pin < 0) + return; + + reg = intel_get_padcfg(pctrl, pin, PADCFG0); if (!reg) return; @@ -793,8 +848,13 @@ static int intel_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) struct intel_pinctrl *pctrl = gpiochip_get_data(chip); void __iomem *reg; u32 padcfg0; + int pin; - reg = intel_get_padcfg(pctrl, offset, PADCFG0); + pin = intel_gpio_to_pin(pctrl, offset, NULL, NULL); + if (pin < 0) + return -EINVAL; + + reg = intel_get_padcfg(pctrl, pin, PADCFG0); if (!reg) return -EINVAL; @@ -830,81 +890,6 @@ static const struct gpio_chip intel_gpio_chip = { .set_config = gpiochip_generic_config, }; -/** - * intel_gpio_to_pin() - Translate from GPIO offset to pin number - * @pctrl: Pinctrl structure - * @offset: GPIO offset from gpiolib - * @community: Community is filled here if not %NULL - * @padgrp: Pad group is filled here if not %NULL - * - * When coming through gpiolib irqchip, the GPIO offset is not - * automatically translated to pinctrl pin number. This function can be - * used to find out the corresponding pinctrl pin. - */ -static int intel_gpio_to_pin(struct intel_pinctrl *pctrl, unsigned offset, - const struct intel_community **community, - const struct intel_padgroup **padgrp) -{ - int i; - - for (i = 0; i < pctrl->ncommunities; i++) { - const struct intel_community *comm = &pctrl->communities[i]; - int j; - - for (j = 0; j < comm->ngpps; j++) { - const struct intel_padgroup *pgrp = &comm->gpps[j]; - - if (pgrp->gpio_base < 0) - continue; - - if (offset >= pgrp->gpio_base && - offset < pgrp->gpio_base + pgrp->size) { - int pin; - - pin = pgrp->base + offset - pgrp->gpio_base; - if (community) - *community = comm; - if (padgrp) - *padgrp = pgrp; - - return pin; - } - } - } - - return -EINVAL; -} - -static int intel_gpio_irq_reqres(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct intel_pinctrl *pctrl = gpiochip_get_data(gc); - int pin; - int ret; - - pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); - if (pin >= 0) { - ret = gpiochip_lock_as_irq(gc, pin); - if (ret) { - dev_err(pctrl->dev, "unable to lock HW IRQ %d for IRQ\n", - pin); - return ret; - } - } - return 0; -} - -static void intel_gpio_irq_relres(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct intel_pinctrl *pctrl = gpiochip_get_data(gc); - int pin; - - pin = intel_gpio_to_pin(pctrl, irqd_to_hwirq(d), NULL, NULL); - if (pin >= 0) - gpiochip_unlock_as_irq(gc, pin); -} - static void intel_gpio_irq_ack(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -1120,8 +1105,6 @@ static irqreturn_t intel_gpio_irq(int irq, void *data) static struct irq_chip intel_gpio_irqchip = { .name = "intel-gpio", - .irq_request_resources = intel_gpio_irq_reqres, - .irq_release_resources = intel_gpio_irq_relres, .irq_enable = intel_gpio_irq_enable, .irq_ack = intel_gpio_irq_ack, .irq_mask = intel_gpio_irq_mask, |