pinctrl: exynos: Add support for Exynos4415

The pin controllers of Exynos4415 are similar to Exynos4412, but certain
differences cause the need to create separate driver data for it. This
patch adds pin controller and bank descriptor arrays to the driver to
support the new SoC.

Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
[cw00.choi: Rebase it on mainline kernel]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
[tomasz.figa@gmail.com: Resolved merge with earlier clean-up series.]
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>

drivers/pinctrl/samsung/pinctrl-exynos.c

@@ -918,6 +918,81 @@ 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),

drivers/pinctrl/samsung/pinctrl-samsung.c

@@ -1231,6 +1231,8 @@ 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",

drivers/pinctrl/samsung/pinctrl-samsung.h

@@ -267,6 +267,7 @@ 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 exynos5420_pin_ctrl[];