pinctrl: samsung: add support for exynos7870 pinctrl

Add support for the Exynos7870 SoC pin-controller in the pinctrl driver.
It has 8 GPIO banks, and 3-bit PINCFG_TYPE_DRV width.

Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://lore.kernel.org/r/20250301-exynos7870-pinctrl-v3-3-ba1da9d3cd2f@disroot.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
index 0e310c095e99b3b82ad96443dcc819cc1925116c..e35e5a8e23a07afcca3900c2332cff541ef80be7 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
@@ -40,6 +40,15 @@ static const struct samsung_pin_bank_type exynos5433_bank_type_alive = {
        .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
 };
 
+/*
+ * Bank type for alive type. Bit fields:
+ * CON: 4, DAT: 1, PUD: 2, DRV: 3
+ */
+static const struct samsung_pin_bank_type exynos7870_bank_type_alive = {
+       .fld_width = { 4, 1, 2, 3, },
+       .reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
+};
+
 /*
  * Bank type for non-alive type. Bit fields:
  * CON: 4, DAT: 1, PUD: 4, DRV: 4, CONPDN: 2, PUDPDN: 4
@@ -618,6 +627,136 @@ const struct samsung_pinctrl_of_match_data exynos7_of_data __initconst = {
        .num_ctrl       = ARRAY_SIZE(exynos7_pin_ctrl),
 };
 
+/* pin banks of exynos7870 pin-controller 0 (ALIVE) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks0[] __initconst = {
+       EXYNOS7870_PIN_BANK_EINTN(6, 0x000, "etc0"),
+       EXYNOS7870_PIN_BANK_EINTN(3, 0x020, "etc1"),
+       EXYNOS7870_PIN_BANK_EINTW(8, 0x040, "gpa0", 0x00),
+       EXYNOS7870_PIN_BANK_EINTW(8, 0x060, "gpa1", 0x04),
+       EXYNOS7870_PIN_BANK_EINTW(8, 0x080, "gpa2", 0x08),
+       EXYNOS7870_PIN_BANK_EINTN(2, 0x0c0, "gpq0"),
+};
+
+/* pin banks of exynos7870 pin-controller 1 (DISPAUD) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks1[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x000, "gpz0", 0x00),
+       EXYNOS8895_PIN_BANK_EINTG(6, 0x020, "gpz1", 0x04),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x040, "gpz2", 0x08),
+};
+
+/* pin banks of exynos7870 pin-controller 2 (ESE) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks2[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(5, 0x000, "gpc7", 0x00),
+};
+
+/* pin banks of exynos7870 pin-controller 3 (FSYS) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks3[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(3, 0x000, "gpr0", 0x00),
+       EXYNOS8895_PIN_BANK_EINTG(8, 0x020, "gpr1", 0x04),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x040, "gpr2", 0x08),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x060, "gpr3", 0x0c),
+       EXYNOS8895_PIN_BANK_EINTG(6, 0x080, "gpr4", 0x10),
+};
+
+/* pin banks of exynos7870 pin-controller 4 (MIF) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks4[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x000, "gpm0", 0x00),
+};
+
+/* pin banks of exynos7870 pin-controller 5 (NFC) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks5[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x000, "gpc2", 0x00),
+};
+
+/* pin banks of exynos7870 pin-controller 6 (TOP) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks6[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x000, "gpb0", 0x00),
+       EXYNOS8895_PIN_BANK_EINTG(3, 0x020, "gpc0", 0x04),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x040, "gpc1", 0x08),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x060, "gpc4", 0x0c),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x080, "gpc5", 0x10),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x0a0, "gpc6", 0x14),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x0c0, "gpc8", 0x18),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x0e0, "gpc9", 0x1c),
+       EXYNOS8895_PIN_BANK_EINTG(7, 0x100, "gpd1", 0x20),
+       EXYNOS8895_PIN_BANK_EINTG(6, 0x120, "gpd2", 0x24),
+       EXYNOS8895_PIN_BANK_EINTG(8, 0x140, "gpd3", 0x28),
+       EXYNOS8895_PIN_BANK_EINTG(7, 0x160, "gpd4", 0x2c),
+       EXYNOS8895_PIN_BANK_EINTG(3, 0x1a0, "gpe0", 0x34),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x1c0, "gpf0", 0x38),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x1e0, "gpf1", 0x3c),
+       EXYNOS8895_PIN_BANK_EINTG(2, 0x200, "gpf2", 0x40),
+       EXYNOS8895_PIN_BANK_EINTG(4, 0x220, "gpf3", 0x44),
+       EXYNOS8895_PIN_BANK_EINTG(5, 0x240, "gpf4", 0x48),
+};
+
+/* pin banks of exynos7870 pin-controller 7 (TOUCH) */
+static const struct samsung_pin_bank_data exynos7870_pin_banks7[] __initconst = {
+       EXYNOS8895_PIN_BANK_EINTG(3, 0x000, "gpc3", 0x00),
+};
+
+static const struct samsung_pin_ctrl exynos7870_pin_ctrl[] __initconst = {
+       {
+               /* pin-controller instance 0 Alive data */
+               .pin_banks      = exynos7870_pin_banks0,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks0),
+               .eint_wkup_init = exynos_eint_wkup_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 1 DISPAUD data */
+               .pin_banks      = exynos7870_pin_banks1,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks1),
+       }, {
+               /* pin-controller instance 2 ESE data */
+               .pin_banks      = exynos7870_pin_banks2,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks2),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 3 FSYS data */
+               .pin_banks      = exynos7870_pin_banks3,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks3),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 4 MIF data */
+               .pin_banks      = exynos7870_pin_banks4,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks4),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 5 NFC data */
+               .pin_banks      = exynos7870_pin_banks5,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks5),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 6 TOP data */
+               .pin_banks      = exynos7870_pin_banks6,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks6),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       }, {
+               /* pin-controller instance 7 TOUCH data */
+               .pin_banks      = exynos7870_pin_banks7,
+               .nr_banks       = ARRAY_SIZE(exynos7870_pin_banks7),
+               .eint_gpio_init = exynos_eint_gpio_init,
+               .suspend        = exynos_pinctrl_suspend,
+               .resume         = exynos_pinctrl_resume,
+       },
+};
+
+const struct samsung_pinctrl_of_match_data exynos7870_of_data __initconst = {
+       .ctrl           = exynos7870_pin_ctrl,
+       .num_ctrl       = ARRAY_SIZE(exynos7870_pin_ctrl),
+};
+
 /* pin banks of exynos7885 pin-controller 0 (ALIVE) */
 static const struct samsung_pin_bank_data exynos7885_pin_banks0[] __initconst = {
        EXYNOS_PIN_BANK_EINTN(3, 0x000, "etc0"),

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
index 7b7ff7ffeb56bdde2504ec90c8df13bdd1ace70e..f78da2e4cda823e21cc28a1998580daf2295969e 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-exynos.h
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
@@ -112,6 +112,25 @@
                .pctl_res_idx   = pctl_idx,                     \
        }                                                       \
 
+#define EXYNOS7870_PIN_BANK_EINTN(pins, reg, id)               \
+       {                                                       \
+               .type           = &exynos7870_bank_type_alive,  \
+               .pctl_offset    = reg,                          \
+               .nr_pins        = pins,                         \
+               .eint_type      = EINT_TYPE_NONE,               \
+               .name           = id                            \
+       }
+
+#define EXYNOS7870_PIN_BANK_EINTW(pins, reg, id, offs)         \
+       {                                                       \
+               .type           = &exynos7870_bank_type_alive,  \
+               .pctl_offset    = reg,                          \
+               .nr_pins        = pins,                         \
+               .eint_type      = EINT_TYPE_WKUP,               \
+               .eint_offset    = offs,                         \
+               .name           = id                            \
+       }
+
 #define EXYNOS850_PIN_BANK_EINTN(pins, reg, id)                        \
        {                                                       \
                .type           = &exynos850_bank_type_alive,   \

diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 04a8a23f4bf1f5a5731549e1d380bf199aa8db2c..24e96d919d8fcf068ff0e9e0d559fe25e43abc6f 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -1475,6 +1475,8 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = {
                .data = &exynos5433_of_data },
        { .compatible = "samsung,exynos7-pinctrl",
                .data = &exynos7_of_data },
+       { .compatible = "samsung,exynos7870-pinctrl",
+               .data = &exynos7870_of_data },
        { .compatible = "samsung,exynos7885-pinctrl",
                .data = &exynos7885_of_data },
        { .compatible = "samsung,exynos850-pinctrl",

diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
index a43803027aa8e4b7ae0e8c98ebfe60c884fb66e3..2f452f5926554cb5182ed81bf4f0c33bc0b3f9bb 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-samsung.h
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
@@ -383,6 +383,7 @@ extern const struct samsung_pinctrl_of_match_data exynos5410_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos5420_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos5433_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos7_of_data;
+extern const struct samsung_pinctrl_of_match_data exynos7870_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos7885_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos850_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos8895_of_data;