pinctrl: rockchip: add support for rk3288 pin-controller

The pin-controller of the new RK3288 contains all the quirks just added in
the previous patches.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 73 insertions, 0 deletions

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 65b73217c2c3..192aaee8de07 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -543,6 +543,35 @@ static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
         }
 }
 
+#define RK3288_PULL_OFFSET              0x140
+static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+                                    int pin_num, struct regmap **regmap,
+                                    int *reg, u8 *bit)
+{
+        struct rockchip_pinctrl *info = bank->drvdata;
+
+        /* The first 24 pins of the first bank are located in PMU */
+        if (bank->bank_num == 0) {
+                *regmap = info->regmap_pmu;
+                *reg = RK3188_PULL_PMU_OFFSET;
+
+                *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
+                *bit = pin_num % RK3188_PULL_PINS_PER_REG;
+                *bit *= RK3188_PULL_BITS_PER_PIN;
+        } else {
+                *regmap = info->regmap_base;
+                *reg = RK3288_PULL_OFFSET;
+
+                /* correct the offset, as we're starting with the 2nd bank */
+                *reg -= 0x10;
+                *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
+                *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
+
+                *bit = (pin_num % RK3188_PULL_PINS_PER_REG);
+                *bit *= RK3188_PULL_BITS_PER_PIN;
+        }
+}
+
 static int rockchip_get_pull(struct rockchip_pin_bank *bank, int pin_num)
 {
         struct rockchip_pinctrl *info = bank->drvdata;
@@ -1780,6 +1809,48 @@ static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
                 .pull_calc_reg          = rk3188_calc_pull_reg_and_bit,
 };
 
+static struct rockchip_pin_bank rk3288_pin_banks[] = {
+        PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU,
+                                             IOMUX_SOURCE_PMU,
+                                             IOMUX_SOURCE_PMU,
+                                             IOMUX_UNROUTED
+                            ),
+        PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_UNROUTED,
+                                             IOMUX_UNROUTED,
+                                             IOMUX_UNROUTED,
+                                             0
+                            ),
+        PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, IOMUX_UNROUTED),
+        PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, IOMUX_WIDTH_4BIT),
+        PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
+                                             IOMUX_WIDTH_4BIT,
+                                             0,
+                                             0
+                            ),
+        PIN_BANK_IOMUX_FLAGS(5, 32, "gpio5", IOMUX_UNROUTED,
+                                             0,
+                                             0,
+                                             IOMUX_UNROUTED
+                            ),
+        PIN_BANK_IOMUX_FLAGS(6, 32, "gpio6", 0, 0, 0, IOMUX_UNROUTED),
+        PIN_BANK_IOMUX_FLAGS(7, 32, "gpio7", 0,
+                                             0,
+                                             IOMUX_WIDTH_4BIT,
+                                             IOMUX_UNROUTED
+                            ),
+        PIN_BANK(8, 16, "gpio8"),
+};
+
+static struct rockchip_pin_ctrl rk3288_pin_ctrl = {
+                .pin_banks              = rk3288_pin_banks,
+                .nr_banks               = ARRAY_SIZE(rk3288_pin_banks),
+                .label                  = "RK3288-GPIO",
+                .type                   = RK3188,
+                .grf_mux_offset         = 0x0,
+                .pmu_mux_offset         = 0x84,
+                .pull_calc_reg          = rk3288_calc_pull_reg_and_bit,
+};
+
 static const struct of_device_id rockchip_pinctrl_dt_match[] = {
         { .compatible = "rockchip,rk2928-pinctrl",
                 .data = (void *)&rk2928_pin_ctrl },
@@ -1789,6 +1860,8 @@ static const struct of_device_id rockchip_pinctrl_dt_match[] = {
                 .data = (void *)&rk3066b_pin_ctrl },
         { .compatible = "rockchip,rk3188-pinctrl",
                 .data = (void *)&rk3188_pin_ctrl },
+        { .compatible = "rockchip,rk3288-pinctrl",
+                .data = (void *)&rk3288_pin_ctrl },
         {},
 };
 MODULE_DEVICE_TABLE(of, rockchip_pinctrl_dt_match);