diff options
Diffstat (limited to 'drivers/pinctrl/samsung')
-rw-r--r-- | drivers/pinctrl/samsung/pinctrl-exynos.c | 386 | ||||
-rw-r--r-- | drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 12 | ||||
-rw-r--r-- | drivers/pinctrl/samsung/pinctrl-samsung.c | 135 | ||||
-rw-r--r-- | drivers/pinctrl/samsung/pinctrl-samsung.h | 43 |
4 files changed, 344 insertions, 232 deletions
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 07409fde02b2..f9b49967f512 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -24,11 +24,15 @@ #include <linux/irqdomain.h> #include <linux/irq.h> #include <linux/irqchip/chained_irq.h> +#include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/spinlock.h> +#include <linux/regmap.h> #include <linux/err.h> +#include <linux/soc/samsung/exynos-pmu.h> +#include <linux/soc/samsung/exynos-regs-pmu.h> #include "pinctrl-samsung.h" #include "pinctrl-exynos.h" @@ -528,10 +532,8 @@ static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) weint_data = devm_kzalloc(dev, bank->nr_pins * sizeof(*weint_data), GFP_KERNEL); - if (!weint_data) { - dev_err(dev, "could not allocate memory for weint_data\n"); + if (!weint_data) return -ENOMEM; - } for (idx = 0; idx < bank->nr_pins; ++idx) { irq = irq_of_parse_and_map(bank->of_node, idx); @@ -559,10 +561,8 @@ static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d) muxed_data = devm_kzalloc(dev, sizeof(*muxed_data) + muxed_banks*sizeof(struct samsung_pin_bank *), GFP_KERNEL); - if (!muxed_data) { - dev_err(dev, "could not allocate memory for muxed_data\n"); + if (!muxed_data) return -ENOMEM; - } irq_set_chained_handler_and_data(irq, exynos_irq_demux_eint16_31, muxed_data); @@ -644,6 +644,60 @@ static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) exynos_pinctrl_resume_bank(drvdata, bank); } +/* Retention control for S5PV210 are located at the end of clock controller */ +#define S5P_OTHERS 0xE000 + +#define S5P_OTHERS_RET_IO (1 << 31) +#define S5P_OTHERS_RET_CF (1 << 30) +#define S5P_OTHERS_RET_MMC (1 << 29) +#define S5P_OTHERS_RET_UART (1 << 28) + +static void s5pv210_retention_disable(struct samsung_pinctrl_drv_data *drvdata) +{ + void *clk_base = drvdata->retention_ctrl->priv; + u32 tmp; + + tmp = __raw_readl(clk_base + S5P_OTHERS); + tmp |= (S5P_OTHERS_RET_IO | S5P_OTHERS_RET_CF | S5P_OTHERS_RET_MMC | + S5P_OTHERS_RET_UART); + __raw_writel(tmp, clk_base + S5P_OTHERS); +} + +static struct samsung_retention_ctrl * +s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata, + const struct samsung_retention_data *data) +{ + struct samsung_retention_ctrl *ctrl; + struct device_node *np; + void *clk_base; + + ctrl = devm_kzalloc(drvdata->dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return ERR_PTR(-ENOMEM); + + np = of_find_compatible_node(NULL, NULL, "samsung,s5pv210-clock"); + if (!np) { + pr_err("%s: failed to find clock controller DT node\n", + __func__); + return ERR_PTR(-ENODEV); + } + + clk_base = of_iomap(np, 0); + if (!clk_base) { + pr_err("%s: failed to map clock registers\n", __func__); + return ERR_PTR(-EINVAL); + } + + ctrl->priv = clk_base; + ctrl->disable = s5pv210_retention_disable; + + return ctrl; +} + +static const struct samsung_retention_data s5pv210_retention_data __initconst = { + .init = s5pv210_retention_init, +}; + /* pin banks of s5pv210 pin-controller */ static const struct samsung_pin_bank_data s5pv210_pin_bank[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -691,9 +745,58 @@ const struct samsung_pin_ctrl s5pv210_pin_ctrl[] __initconst = { .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &s5pv210_retention_data, }, }; +/* Pad retention control code for accessing PMU regmap */ +static atomic_t exynos_shared_retention_refcnt; + +static void exynos_retention_enable(struct samsung_pinctrl_drv_data *drvdata) +{ + if (drvdata->retention_ctrl->refcnt) + atomic_inc(drvdata->retention_ctrl->refcnt); +} + +static void exynos_retention_disable(struct samsung_pinctrl_drv_data *drvdata) +{ + struct samsung_retention_ctrl *ctrl = drvdata->retention_ctrl; + struct regmap *pmu_regs = ctrl->priv; + int i; + + if (ctrl->refcnt && !atomic_dec_and_test(ctrl->refcnt)) + return; + + for (i = 0; i < ctrl->nr_regs; i++) + regmap_write(pmu_regs, ctrl->regs[i], ctrl->value); +} + +static struct samsung_retention_ctrl * +exynos_retention_init(struct samsung_pinctrl_drv_data *drvdata, + const struct samsung_retention_data *data) +{ + struct samsung_retention_ctrl *ctrl; + struct regmap *pmu_regs; + + ctrl = devm_kzalloc(drvdata->dev, sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return ERR_PTR(-ENOMEM); + + pmu_regs = exynos_get_pmu_regmap(); + if (IS_ERR(pmu_regs)) + return ERR_CAST(pmu_regs); + + ctrl->priv = pmu_regs; + ctrl->regs = data->regs; + ctrl->nr_regs = data->nr_regs; + ctrl->value = data->value; + ctrl->refcnt = data->refcnt; + ctrl->enable = exynos_retention_enable; + ctrl->disable = exynos_retention_disable; + + return ctrl; +} + /* pin banks of exynos3250 pin-controller 0 */ static const struct samsung_pin_bank_data exynos3250_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -726,6 +829,30 @@ static const struct samsung_pin_bank_data exynos3250_pin_banks1[] __initconst = }; /* + * PMU pad retention groups for Exynos3250 doesn't match pin banks, so handle + * them all together + */ +static const u32 exynos3250_retention_regs[] = { + S5P_PAD_RET_MAUDIO_OPTION, + S5P_PAD_RET_GPIO_OPTION, + S5P_PAD_RET_UART_OPTION, + S5P_PAD_RET_MMCA_OPTION, + S5P_PAD_RET_MMCB_OPTION, + S5P_PAD_RET_EBIA_OPTION, + S5P_PAD_RET_EBIB_OPTION, + S5P_PAD_RET_MMC2_OPTION, + S5P_PAD_RET_SPI_OPTION, +}; + +static const struct samsung_retention_data exynos3250_retention_data __initconst = { + .regs = exynos3250_retention_regs, + .nr_regs = ARRAY_SIZE(exynos3250_retention_regs), + .value = EXYNOS_WAKEUP_FROM_LOWPWR, + .refcnt = &exynos_shared_retention_refcnt, + .init = exynos_retention_init, +}; + +/* * Samsung pinctrl driver data for Exynos3250 SoC. Exynos3250 SoC includes * two gpio/pin-mux/pinconfig controllers. */ @@ -737,6 +864,7 @@ const struct samsung_pin_ctrl exynos3250_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos3250_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos3250_pin_banks1, @@ -745,6 +873,7 @@ const struct samsung_pin_ctrl exynos3250_pin_ctrl[] __initconst = { .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos3250_retention_data, }, }; @@ -797,6 +926,36 @@ static const struct samsung_pin_bank_data exynos4210_pin_banks2[] __initconst = EXYNOS_PIN_BANK_EINTN(7, 0x000, "gpz"), }; +/* PMU pad retention groups registers for Exynos4 (without audio) */ +static const u32 exynos4_retention_regs[] = { + S5P_PAD_RET_GPIO_OPTION, + S5P_PAD_RET_UART_OPTION, + S5P_PAD_RET_MMCA_OPTION, + S5P_PAD_RET_MMCB_OPTION, + S5P_PAD_RET_EBIA_OPTION, + S5P_PAD_RET_EBIB_OPTION, +}; + +static const struct samsung_retention_data exynos4_retention_data __initconst = { + .regs = exynos4_retention_regs, + .nr_regs = ARRAY_SIZE(exynos4_retention_regs), + .value = EXYNOS_WAKEUP_FROM_LOWPWR, + .refcnt = &exynos_shared_retention_refcnt, + .init = exynos_retention_init, +}; + +/* PMU retention control for audio pins can be tied to audio pin bank */ +static const u32 exynos4_audio_retention_regs[] = { + S5P_PAD_RET_MAUDIO_OPTION, +}; + +static const struct samsung_retention_data exynos4_audio_retention_data __initconst = { + .regs = exynos4_audio_retention_regs, + .nr_regs = ARRAY_SIZE(exynos4_audio_retention_regs), + .value = EXYNOS_WAKEUP_FROM_LOWPWR, + .init = exynos_retention_init, +}; + /* * Samsung pinctrl driver data for Exynos4210 SoC. Exynos4210 SoC includes * three gpio/pin-mux/pinconfig controllers. @@ -809,6 +968,7 @@ const struct samsung_pin_ctrl exynos4210_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos4210_pin_banks1, @@ -817,10 +977,12 @@ const struct samsung_pin_ctrl exynos4210_pin_ctrl[] __initconst = { .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 2 data */ .pin_banks = exynos4210_pin_banks2, .nr_banks = ARRAY_SIZE(exynos4210_pin_banks2), + .retention_data = &exynos4_audio_retention_data, }, }; @@ -894,6 +1056,7 @@ const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos4x12_pin_banks1, @@ -902,6 +1065,7 @@ const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 2 data */ .pin_banks = exynos4x12_pin_banks2, @@ -909,6 +1073,7 @@ const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_audio_retention_data, }, { /* pin-controller instance 3 data */ .pin_banks = exynos4x12_pin_banks3, @@ -919,81 +1084,6 @@ const struct samsung_pin_ctrl exynos4x12_pin_ctrl[] __initconst = { }, }; -/* pin banks of exynos4415 pin-controller 0 */ -static const struct samsung_pin_bank_data exynos4415_pin_banks0[] = { - EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), - EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04), - EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08), - EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c), - EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10), - EXYNOS_PIN_BANK_EINTG(4, 0x0A0, "gpd0", 0x14), - EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpd1", 0x18), - EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf0", 0x30), - EXYNOS_PIN_BANK_EINTG(8, 0x1A0, "gpf1", 0x34), - EXYNOS_PIN_BANK_EINTG(1, 0x1C0, "gpf2", 0x38), -}; - -/* pin banks of exynos4415 pin-controller 1 */ -static const struct samsung_pin_bank_data exynos4415_pin_banks1[] = { - EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpk0", 0x08), - EXYNOS_PIN_BANK_EINTG(7, 0x060, "gpk1", 0x0c), - EXYNOS_PIN_BANK_EINTG(7, 0x080, "gpk2", 0x10), - EXYNOS_PIN_BANK_EINTG(7, 0x0A0, "gpk3", 0x14), - EXYNOS_PIN_BANK_EINTG(4, 0x0C0, "gpl0", 0x18), - EXYNOS_PIN_BANK_EINTN(6, 0x120, "mp00"), - EXYNOS_PIN_BANK_EINTN(4, 0x140, "mp01"), - EXYNOS_PIN_BANK_EINTN(6, 0x160, "mp02"), - EXYNOS_PIN_BANK_EINTN(8, 0x180, "mp03"), - EXYNOS_PIN_BANK_EINTN(8, 0x1A0, "mp04"), - EXYNOS_PIN_BANK_EINTN(8, 0x1C0, "mp05"), - EXYNOS_PIN_BANK_EINTN(8, 0x1E0, "mp06"), - EXYNOS_PIN_BANK_EINTG(8, 0x260, "gpm0", 0x24), - EXYNOS_PIN_BANK_EINTG(7, 0x280, "gpm1", 0x28), - EXYNOS_PIN_BANK_EINTG(5, 0x2A0, "gpm2", 0x2c), - EXYNOS_PIN_BANK_EINTG(8, 0x2C0, "gpm3", 0x30), - EXYNOS_PIN_BANK_EINTG(8, 0x2E0, "gpm4", 0x34), - EXYNOS_PIN_BANK_EINTW(8, 0xC00, "gpx0", 0x00), - EXYNOS_PIN_BANK_EINTW(8, 0xC20, "gpx1", 0x04), - EXYNOS_PIN_BANK_EINTW(8, 0xC40, "gpx2", 0x08), - EXYNOS_PIN_BANK_EINTW(8, 0xC60, "gpx3", 0x0c), -}; - -/* pin banks of exynos4415 pin-controller 2 */ -static const struct samsung_pin_bank_data exynos4415_pin_banks2[] = { - EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00), - EXYNOS_PIN_BANK_EINTN(2, 0x000, "etc1"), -}; - -/* - * Samsung pinctrl driver data for Exynos4415 SoC. Exynos4415 SoC includes - * three gpio/pin-mux/pinconfig controllers. - */ -const struct samsung_pin_ctrl exynos4415_pin_ctrl[] = { - { - /* pin-controller instance 0 data */ - .pin_banks = exynos4415_pin_banks0, - .nr_banks = ARRAY_SIZE(exynos4415_pin_banks0), - .eint_gpio_init = exynos_eint_gpio_init, - .suspend = exynos_pinctrl_suspend, - .resume = exynos_pinctrl_resume, - }, { - /* pin-controller instance 1 data */ - .pin_banks = exynos4415_pin_banks1, - .nr_banks = ARRAY_SIZE(exynos4415_pin_banks1), - .eint_gpio_init = exynos_eint_gpio_init, - .eint_wkup_init = exynos_eint_wkup_init, - .suspend = exynos_pinctrl_suspend, - .resume = exynos_pinctrl_resume, - }, { - /* pin-controller instance 2 data */ - .pin_banks = exynos4415_pin_banks2, - .nr_banks = ARRAY_SIZE(exynos4415_pin_banks2), - .eint_gpio_init = exynos_eint_gpio_init, - .suspend = exynos_pinctrl_suspend, - .resume = exynos_pinctrl_resume, - }, -}; - /* pin banks of exynos5250 pin-controller 0 */ static const struct samsung_pin_bank_data exynos5250_pin_banks0[] __initconst = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), @@ -1063,6 +1153,7 @@ const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { .eint_wkup_init = exynos_eint_wkup_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos5250_pin_banks1, @@ -1070,6 +1161,7 @@ const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_retention_data, }, { /* pin-controller instance 2 data */ .pin_banks = exynos5250_pin_banks2, @@ -1084,6 +1176,7 @@ const struct samsung_pin_ctrl exynos5250_pin_ctrl[] __initconst = { .eint_gpio_init = exynos_eint_gpio_init, .suspend = exynos_pinctrl_suspend, .resume = exynos_pinctrl_resume, + .retention_data = &exynos4_audio_retention_data, }, }; @@ -1310,6 +1403,30 @@ static const struct samsung_pin_bank_data exynos5420_pin_banks4[] __initconst = EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz", 0x00), }; +/* PMU pad retention groups registers for Exynos5420 (without audio) */ +static const u32 exynos5420_retention_regs[] = { + EXYNOS_PAD_RET_DRAM_OPTION, + EXYNOS_PAD_RET_JTAG_OPTION, + EXYNOS5420_PAD_RET_GPIO_OPTION, + EXYNOS5420_PAD_RET_UART_OPTION, + EXYNOS5420_PAD_RET_MMCA_OPTION, + EXYNOS5420_PAD_RET_MMCB_OPTION, + EXYNOS5420_PAD_RET_MMCC_OPTION, + EXYNOS5420_PAD_RET_HSI_OPTION, + EXYNOS_PAD_RET_EBIA_OPTION, + EXYNOS_PAD_RET_EBIB_OPTION, + EXYNOS5420_PAD_RET_SPI_OPTION, + EXYNOS5420_PAD_RET_DRAM_COREBLK_OPTION, +}; + +static const struct samsung_retention_data exynos5420_retention_data __initconst = { + .regs = exynos5420_retention_regs, + .nr_regs = ARRAY_SIZE(exynos5420_retention_regs), + .value = EXYNOS_WAKEUP_FROM_LOWPWR, + .refcnt = &exynos_shared_retention_refcnt, + .init = exynos_retention_init, +}; + /* * Samsung pinctrl driver data for Exynos5420 SoC. Exynos5420 SoC includes * four gpio/pin-mux/pinconfig controllers. @@ -1321,114 +1438,119 @@ const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { .nr_banks = ARRAY_SIZE(exynos5420_pin_banks0), .eint_gpio_init = exynos_eint_gpio_init, .eint_wkup_init = exynos_eint_wkup_init, + .retention_data = &exynos5420_retention_data, }, { /* pin-controller instance 1 data */ .pin_banks = exynos5420_pin_banks1, .nr_banks = ARRAY_SIZE(exynos5420_pin_banks1), .eint_gpio_init = exynos_eint_gpio_init, + .retention_data = &exynos5420_retention_data, }, { /* pin-controller instance 2 data */ .pin_banks = exynos5420_pin_banks2, .nr_banks = ARRAY_SIZE(exynos5420_pin_banks2), .eint_gpio_init = exynos_eint_gpio_init, + .retention_data = &exynos5420_retention_data, }, { /* pin-controller instance 3 data */ .pin_banks = exynos5420_pin_banks3, .nr_banks = ARRAY_SIZE(exynos5420_pin_banks3), .eint_gpio_init = exynos_eint_gpio_init, + .retention_data = &exynos5420_retention_data, }, { /* pin-controller instance 4 data */ .pin_banks = exynos5420_pin_banks4, .nr_banks = ARRAY_SIZE(exynos5420_pin_banks4), .eint_gpio_init = exynos_eint_gpio_init, + .retention_data = &exynos4_audio_retention_data, }, }; /* pin banks of exynos5433 pin-controller - ALIVE */ -static const struct samsung_pin_bank_data exynos5433_pin_banks0[] = { - EXYNOS5433_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), - EXYNOS5433_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), - EXYNOS5433_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), - EXYNOS5433_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), - EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), - EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), - EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), - EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), - EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), +static const struct samsung_pin_bank_data exynos5433_pin_banks0[] __initconst = { + EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), + EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), + EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), + EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), + EXYNOS_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), + EXYNOS_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), + EXYNOS_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), + EXYNOS_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), + EXYNOS_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), }; /* pin banks of exynos5433 pin-controller - AUD */ -static const struct samsung_pin_bank_data exynos5433_pin_banks1[] = { - EXYNOS5433_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), - EXYNOS5433_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), +static const struct samsung_pin_bank_data exynos5433_pin_banks1[] __initconst = { + EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), + EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; /* pin banks of exynos5433 pin-controller - CPIF */ -static const struct samsung_pin_bank_data exynos5433_pin_banks2[] = { - EXYNOS5433_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks2[] __initconst = { + EXYNOS_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), }; /* pin banks of exynos5433 pin-controller - eSE */ -static const struct samsung_pin_bank_data exynos5433_pin_banks3[] = { - EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks3[] __initconst = { + EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), }; /* pin banks of exynos5433 pin-controller - FINGER */ -static const struct samsung_pin_bank_data exynos5433_pin_banks4[] = { - EXYNOS5433_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks4[] __initconst = { + EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), }; /* pin banks of exynos5433 pin-controller - FSYS */ -static const struct samsung_pin_bank_data exynos5433_pin_banks5[] = { - EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), - EXYNOS5433_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), - EXYNOS5433_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), - EXYNOS5433_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), - EXYNOS5433_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), - EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), +static const struct samsung_pin_bank_data exynos5433_pin_banks5[] __initconst = { + EXYNOS_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), + EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), + EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), + EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), + EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), + EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), }; /* pin banks of exynos5433 pin-controller - IMEM */ -static const struct samsung_pin_bank_data exynos5433_pin_banks6[] = { - EXYNOS5433_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks6[] __initconst = { + EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), }; /* pin banks of exynos5433 pin-controller - NFC */ -static const struct samsung_pin_bank_data exynos5433_pin_banks7[] = { - EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks7[] __initconst = { + EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), }; /* pin banks of exynos5433 pin-controller - PERIC */ -static const struct samsung_pin_bank_data exynos5433_pin_banks8[] = { - EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), - EXYNOS5433_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), - EXYNOS5433_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), - EXYNOS5433_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), - EXYNOS5433_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), - EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), - EXYNOS5433_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), - EXYNOS5433_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), - EXYNOS5433_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), - EXYNOS5433_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), - EXYNOS5433_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), - EXYNOS5433_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), - EXYNOS5433_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), - EXYNOS5433_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), - EXYNOS5433_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), - EXYNOS5433_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), - EXYNOS5433_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), +static const struct samsung_pin_bank_data exynos5433_pin_banks8[] __initconst = { + EXYNOS_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), + EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), + EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), + EXYNOS_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), + EXYNOS_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), + EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), + EXYNOS_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), + EXYNOS_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), + EXYNOS_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), + EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), + EXYNOS_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), + EXYNOS_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), + EXYNOS_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), + EXYNOS_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), + EXYNOS_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), + EXYNOS_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), + EXYNOS_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), }; /* pin banks of exynos5433 pin-controller - TOUCH */ -static const struct samsung_pin_bank_data exynos5433_pin_banks9[] = { - EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), +static const struct samsung_pin_bank_data exynos5433_pin_banks9[] __initconst = { + EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), }; /* * Samsung pinctrl driver data for Exynos5433 SoC. Exynos5433 SoC includes * ten gpio/pin-mux/pinconfig controllers. */ -const struct samsung_pin_ctrl exynos5433_pin_ctrl[] = { +const struct samsung_pin_ctrl exynos5433_pin_ctrl[] __initconst = { { /* pin-controller instance 0 data */ .pin_banks = exynos5433_pin_banks0, diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c index 4c632812ccff..f17890aa6e25 100644 --- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c +++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c @@ -489,10 +489,8 @@ static int s3c64xx_eint_gpio_init(struct samsung_pinctrl_drv_data *d) data = devm_kzalloc(dev, sizeof(*data) + nr_domains * sizeof(*data->domains), GFP_KERNEL); - if (!data) { - dev_err(dev, "failed to allocate handler data\n"); + if (!data) return -ENOMEM; - } data->drvdata = d; bank = d->pin_banks; @@ -715,10 +713,8 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d) return -ENODEV; data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); - if (!data) { - dev_err(dev, "could not allocate memory for wkup eint data\n"); + if (!data) return -ENOMEM; - } data->drvdata = d; for (i = 0; i < NUM_EINT0_IRQ; ++i) { @@ -751,10 +747,8 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d) ddata = devm_kzalloc(dev, sizeof(*ddata) + nr_eints, GFP_KERNEL); - if (!ddata) { - dev_err(dev, "failed to allocate domain data\n"); + if (!ddata) return -ENOMEM; - } ddata->bank = bank; bank->irq_domain = irq_domain_add_linear(bank->of_node, diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index 41e62391c33c..d7aa22cff480 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -27,8 +27,8 @@ #include <linux/err.h> #include <linux/gpio.h> #include <linux/irqdomain.h> +#include <linux/of_device.h> #include <linux/spinlock.h> -#include <linux/syscore_ops.h> #include "../core.h" #include "pinctrl-samsung.h" @@ -48,9 +48,6 @@ static struct pin_config { { "samsung,pin-val", PINCFG_TYPE_DAT }, }; -/* Global list of devices (struct samsung_pinctrl_drv_data) */ -static LIST_HEAD(drvdata_list); - static unsigned int pin_base; static int samsung_get_group_count(struct pinctrl_dev *pctldev) @@ -93,10 +90,8 @@ static int reserve_map(struct device *dev, struct pinctrl_map **map, return 0; new_map = krealloc(*map, sizeof(*new_map) * new_num, GFP_KERNEL); - if (!new_map) { - dev_err(dev, "krealloc(map) failed\n"); + if (!new_map) return -ENOMEM; - } memset(new_map + old_num, 0, (new_num - old_num) * sizeof(*new_map)); @@ -133,10 +128,8 @@ static int add_map_configs(struct device *dev, struct pinctrl_map **map, dup_configs = kmemdup(configs, num_configs * sizeof(*dup_configs), GFP_KERNEL); - if (!dup_configs) { - dev_err(dev, "kmemdup(configs) failed\n"); + if (!dup_configs) return -ENOMEM; - } (*map)[*num_maps].type = PIN_MAP_TYPE_CONFIGS_GROUP; (*map)[*num_maps].data.configs.group_or_pin = group; @@ -156,10 +149,8 @@ static int add_config(struct device *dev, unsigned long **configs, new_configs = krealloc(*configs, sizeof(*new_configs) * new_num, GFP_KERNEL); - if (!new_configs) { - dev_err(dev, "krealloc(configs) failed\n"); + if (!new_configs) return -ENOMEM; - } new_configs[old_num] = config; @@ -356,7 +347,7 @@ static void pin_to_reg_bank(struct samsung_pinctrl_drv_data *drvdata, /* enable or disable a pinmux function */ static void samsung_pinmux_setup(struct pinctrl_dev *pctldev, unsigned selector, - unsigned group, bool enable) + unsigned group) { struct samsung_pinctrl_drv_data *drvdata; const struct samsung_pin_bank_type *type; @@ -386,8 +377,7 @@ static void samsung_pinmux_setup(struct pinctrl_dev *pctldev, unsigned selector, data = readl(reg + type->reg_offset[PINCFG_TYPE_FUNC]); data &= ~(mask << shift); - if (enable) - data |= func->val << shift; + data |= func->val << shift; writel(data, reg + type->reg_offset[PINCFG_TYPE_FUNC]); spin_unlock_irqrestore(&bank->slock, flags); @@ -398,7 +388,7 @@ static int samsung_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned selector, unsigned group) { - samsung_pinmux_setup(pctldev, selector, group, true); + samsung_pinmux_setup(pctldev, selector, group); return 0; } @@ -756,10 +746,8 @@ static struct samsung_pmx_func *samsung_pinctrl_create_functions( functions = devm_kzalloc(dev, func_cnt * sizeof(*functions), GFP_KERNEL); - if (!functions) { - dev_err(dev, "failed to allocate memory for function list\n"); - return ERR_PTR(-EINVAL); - } + if (!functions) + return ERR_PTR(-ENOMEM); func = functions; /* @@ -850,10 +838,8 @@ static int samsung_pinctrl_register(struct platform_device *pdev, pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) * drvdata->nr_pins, GFP_KERNEL); - if (!pindesc) { - dev_err(&pdev->dev, "mem alloc for pin descriptors failed\n"); + if (!pindesc) return -ENOMEM; - } ctrldesc->pins = pindesc; ctrldesc->npins = drvdata->nr_pins; @@ -867,10 +853,8 @@ static int samsung_pinctrl_register(struct platform_device *pdev, */ pin_names = devm_kzalloc(&pdev->dev, sizeof(char) * PIN_NAME_LENGTH * drvdata->nr_pins, GFP_KERNEL); - if (!pin_names) { - dev_err(&pdev->dev, "mem alloc for pin names failed\n"); + if (!pin_names) return -ENOMEM; - } /* for each pin, the name of the pin is pin-bank name + pin number */ for (bank = 0; bank < drvdata->nr_banks; bank++) { @@ -968,15 +952,12 @@ static int samsung_gpiolib_unregister(struct platform_device *pdev, return 0; } -static const struct of_device_id samsung_pinctrl_dt_match[]; - /* retrieve the soc specific data */ static const struct samsung_pin_ctrl * samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, struct platform_device *pdev) { int id; - const struct of_device_id *match; struct device_node *node = pdev->dev.of_node; struct device_node *np; const struct samsung_pin_bank_data *bdata; @@ -991,8 +972,8 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, dev_err(&pdev->dev, "failed to get alias id\n"); return ERR_PTR(-ENOENT); } - match = of_match_node(samsung_pinctrl_dt_match, node); - ctrl = (struct samsung_pin_ctrl *)match->data + id; + ctrl = of_device_get_match_data(&pdev->dev); + ctrl += id; d->suspend = ctrl->suspend; d->resume = ctrl->resume; @@ -1007,10 +988,16 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, for (i = 0; i < ctrl->nr_ext_resources + 1; i++) { res = platform_get_resource(pdev, IORESOURCE_MEM, i); + if (!res) { + dev_err(&pdev->dev, "failed to get mem%d resource\n", i); + return ERR_PTR(-EINVAL); + } virt_base[i] = devm_ioremap(&pdev->dev, res->start, resource_size(res)); - if (IS_ERR(virt_base[i])) + if (!virt_base[i]) { + dev_err(&pdev->dev, "failed to ioremap %pR\n", res); return ERR_PTR(-EIO); + } } bank = d->pin_banks; @@ -1075,6 +1062,13 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) if (res) drvdata->irq = res->start; + if (ctrl->retention_data) { + drvdata->retention_ctrl = ctrl->retention_data->init(drvdata, + ctrl->retention_data); + if (IS_ERR(drvdata->retention_ctrl)) + return PTR_ERR(drvdata->retention_ctrl); + } + ret = samsung_gpiolib_register(pdev, drvdata); if (ret) return ret; @@ -1092,22 +1086,17 @@ static int samsung_pinctrl_probe(struct platform_device *pdev) platform_set_drvdata(pdev, drvdata); - /* Add to the global list */ - list_add_tail(&drvdata->node, &drvdata_list); - return 0; } -#ifdef CONFIG_PM - /** - * samsung_pinctrl_suspend_dev - save pinctrl state for suspend for a device + * samsung_pinctrl_suspend - save pinctrl state for suspend * * Save data for all banks handled by this device. */ -static void samsung_pinctrl_suspend_dev( - struct samsung_pinctrl_drv_data *drvdata) +static int __maybe_unused samsung_pinctrl_suspend(struct device *dev) { + struct samsung_pinctrl_drv_data *drvdata = dev_get_drvdata(dev); int i; for (i = 0; i < drvdata->nr_banks; i++) { @@ -1141,18 +1130,23 @@ static void samsung_pinctrl_suspend_dev( if (drvdata->suspend) drvdata->suspend(drvdata); + if (drvdata->retention_ctrl && drvdata->retention_ctrl->enable) + drvdata->retention_ctrl->enable(drvdata); + + return 0; } /** - * samsung_pinctrl_resume_dev - restore pinctrl state from suspend for a device + * samsung_pinctrl_resume - restore pinctrl state from suspend * * Restore one of the banks that was saved during suspend. * * We don't bother doing anything complicated to avoid glitching lines since * we're called before pad retention is turned off. */ -static void samsung_pinctrl_resume_dev(struct samsung_pinctrl_drv_data *drvdata) +static int __maybe_unused samsung_pinctrl_resume(struct device *dev) { + struct samsung_pinctrl_drv_data *drvdata = dev_get_drvdata(dev); int i; if (drvdata->resume) @@ -1188,48 +1182,13 @@ static void samsung_pinctrl_resume_dev(struct samsung_pinctrl_drv_data *drvdata) if (widths[type]) writel(bank->pm_save[type], reg + offs[type]); } -} - -/** - * samsung_pinctrl_suspend - save pinctrl state for suspend - * - * Save data for all banks across all devices. - */ -static int samsung_pinctrl_suspend(void) -{ - struct samsung_pinctrl_drv_data *drvdata; - list_for_each_entry(drvdata, &drvdata_list, node) { - samsung_pinctrl_suspend_dev(drvdata); - } + if (drvdata->retention_ctrl && drvdata->retention_ctrl->disable) + drvdata->retention_ctrl->disable(drvdata); return 0; } -/** - * samsung_pinctrl_resume - restore pinctrl state for suspend - * - * Restore data for all banks across all devices. - */ -static void samsung_pinctrl_resume(void) -{ - struct samsung_pinctrl_drv_data *drvdata; - - list_for_each_entry_reverse(drvdata, &drvdata_list, node) { - samsung_pinctrl_resume_dev(drvdata); - } -} - -#else -#define samsung_pinctrl_suspend NULL -#define samsung_pinctrl_resume NULL -#endif - -static struct syscore_ops samsung_pinctrl_syscore_ops = { - .suspend = samsung_pinctrl_suspend, - .resume = samsung_pinctrl_resume, -}; - static const struct of_device_id samsung_pinctrl_dt_match[] = { #ifdef CONFIG_PINCTRL_EXYNOS { .compatible = "samsung,exynos3250-pinctrl", @@ -1238,8 +1197,6 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = { .data = (void *)exynos4210_pin_ctrl }, { .compatible = "samsung,exynos4x12-pinctrl", .data = (void *)exynos4x12_pin_ctrl }, - { .compatible = "samsung,exynos4415-pinctrl", - .data = (void *)exynos4415_pin_ctrl }, { .compatible = "samsung,exynos5250-pinctrl", .data = (void *)exynos5250_pin_ctrl }, { .compatible = "samsung,exynos5260-pinctrl", @@ -1273,25 +1230,23 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = { }; MODULE_DEVICE_TABLE(of, samsung_pinctrl_dt_match); +static const struct dev_pm_ops samsung_pinctrl_pm_ops = { + SET_LATE_SYSTEM_SLEEP_PM_OPS(samsung_pinctrl_suspend, + samsung_pinctrl_resume) +}; + static struct platform_driver samsung_pinctrl_driver = { .probe = samsung_pinctrl_probe, .driver = { .name = "samsung-pinctrl", .of_match_table = samsung_pinctrl_dt_match, .suppress_bind_attrs = true, + .pm = &samsung_pinctrl_pm_ops, }, }; static int __init samsung_pinctrl_drv_register(void) { - /* - * Register syscore ops for save/restore of registers across suspend. - * It's important to ensure that this driver is running at an earlier - * initcall level than any arch-specific init calls that install syscore - * ops that turn off pad retention (like exynos_pm_resume). - */ - register_syscore_ops(&samsung_pinctrl_syscore_ops); - return platform_driver_register(&samsung_pinctrl_driver); } postcore_initcall(samsung_pinctrl_drv_register); diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h index 043cb6c11180..515a61035e54 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.h +++ b/drivers/pinctrl/samsung/pinctrl-samsung.h @@ -185,10 +185,48 @@ struct samsung_pin_bank { }; /** + * struct samsung_retention_data: runtime pin-bank retention control data. + * @regs: array of PMU registers to control pad retention. + * @nr_regs: number of registers in @regs array. + * @value: value to store to registers to turn off retention. + * @refcnt: atomic counter if retention control affects more than one bank. + * @priv: retention control code private data + * @enable: platform specific callback to enter retention mode. + * @disable: platform specific callback to exit retention mode. + **/ +struct samsung_retention_ctrl { + const u32 *regs; + int nr_regs; + u32 value; + atomic_t *refcnt; + void *priv; + void (*enable)(struct samsung_pinctrl_drv_data *); + void (*disable)(struct samsung_pinctrl_drv_data *); +}; + +/** + * struct samsung_retention_data: represent a pin-bank retention control data. + * @regs: array of PMU registers to control pad retention. + * @nr_regs: number of registers in @regs array. + * @value: value to store to registers to turn off retention. + * @refcnt: atomic counter if retention control affects more than one bank. + * @init: platform specific callback to initialize retention control. + **/ +struct samsung_retention_data { + const u32 *regs; + int nr_regs; + u32 value; + atomic_t *refcnt; + struct samsung_retention_ctrl *(*init)(struct samsung_pinctrl_drv_data *, + const struct samsung_retention_data *); +}; + +/** * struct samsung_pin_ctrl: represent a pin controller. * @pin_banks: list of pin banks included in this controller. * @nr_banks: number of pin banks. * @nr_ext_resources: number of the extra base address for pin banks. + * @retention_data: configuration data for retention control. * @eint_gpio_init: platform specific callback to setup the external gpio * interrupts for the controller. * @eint_wkup_init: platform specific callback to setup the external wakeup @@ -198,6 +236,7 @@ struct samsung_pin_ctrl { const struct samsung_pin_bank_data *pin_banks; u32 nr_banks; int nr_ext_resources; + const struct samsung_retention_data *retention_data; int (*eint_gpio_init)(struct samsung_pinctrl_drv_data *); int (*eint_wkup_init)(struct samsung_pinctrl_drv_data *); @@ -219,6 +258,7 @@ struct samsung_pin_ctrl { * @nr_function: number of such pin functions. * @pin_base: starting system wide pin number. * @nr_pins: number of pins supported by the controller. + * @retention_ctrl: retention control runtime data. */ struct samsung_pinctrl_drv_data { struct list_head node; @@ -238,6 +278,8 @@ struct samsung_pinctrl_drv_data { unsigned int pin_base; unsigned int nr_pins; + struct samsung_retention_ctrl *retention_ctrl; + void (*suspend)(struct samsung_pinctrl_drv_data *); void (*resume)(struct samsung_pinctrl_drv_data *); }; @@ -273,7 +315,6 @@ struct samsung_pmx_func { extern const struct samsung_pin_ctrl exynos3250_pin_ctrl[]; extern const struct samsung_pin_ctrl exynos4210_pin_ctrl[]; extern const struct samsung_pin_ctrl exynos4x12_pin_ctrl[]; -extern const struct samsung_pin_ctrl exynos4415_pin_ctrl[]; extern const struct samsung_pin_ctrl exynos5250_pin_ctrl[]; extern const struct samsung_pin_ctrl exynos5260_pin_ctrl[]; extern const struct samsung_pin_ctrl exynos5410_pin_ctrl[]; |