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lede/target/linux/rockchip/patches-6.12/301-pinctrl-rockchip-add-rk3528-support.patch
coolsnowwolf d6c6378869 rockchip: add 6.12 testing kernel support
2024-12-20 16:00:04 +08:00

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From ee5af82a6f88fd28849ea6d98cf43fbe9cbbbb19 Mon Sep 17 00:00:00 2001
From: Steven Liu <steven.liu@rock-chips.com>
Date: Thu, 11 Aug 2022 15:15:28 +0800
Subject: [PATCH] pinctrl: rockchip: add rk3528 support
Signed-off-by: Steven Liu <steven.liu@rock-chips.com>
Change-Id: I2c1d32907168caf8a8afee6d1f742795b3d13536
---
drivers/pinctrl/pinctrl-rockchip.c | 196 ++++++++++++++++++++++++++++-
drivers/pinctrl/pinctrl-rockchip.h | 1 +
2 files changed, 196 insertions(+), 1 deletion(-)
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -2036,6 +2036,150 @@ static int rk3568_calc_pull_reg_and_bit(
return 0;
}
+#define RK3528_DRV_BITS_PER_PIN 8
+#define RK3528_DRV_PINS_PER_REG 2
+#define RK3528_DRV_GPIO0_OFFSET 0x100
+#define RK3528_DRV_GPIO1_OFFSET 0x20120
+#define RK3528_DRV_GPIO2_OFFSET 0x30160
+#define RK3528_DRV_GPIO3_OFFSET 0x20190
+#define RK3528_DRV_GPIO4_OFFSET 0x101C0
+
+static int rk3528_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl *info = bank->drvdata;
+
+ *regmap = info->regmap_base;
+ switch (bank->bank_num) {
+ case 0:
+ *reg = RK3528_DRV_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *reg = RK3528_DRV_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *reg = RK3528_DRV_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *reg = RK3528_DRV_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *reg = RK3528_DRV_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RK3528_DRV_PINS_PER_REG) * 4);
+ *bit = pin_num % RK3528_DRV_PINS_PER_REG;
+ *bit *= RK3528_DRV_BITS_PER_PIN;
+
+ return 0;
+}
+
+#define RK3528_PULL_BITS_PER_PIN 2
+#define RK3528_PULL_PINS_PER_REG 8
+#define RK3528_PULL_GPIO0_OFFSET 0x200
+#define RK3528_PULL_GPIO1_OFFSET 0x20210
+#define RK3528_PULL_GPIO2_OFFSET 0x30220
+#define RK3528_PULL_GPIO3_OFFSET 0x20230
+#define RK3528_PULL_GPIO4_OFFSET 0x10240
+
+static int rk3528_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;
+
+ *regmap = info->regmap_base;
+ switch (bank->bank_num) {
+ case 0:
+ *reg = RK3528_PULL_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *reg = RK3528_PULL_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *reg = RK3528_PULL_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *reg = RK3528_PULL_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *reg = RK3528_PULL_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RK3528_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % RK3528_PULL_PINS_PER_REG;
+ *bit *= RK3528_PULL_BITS_PER_PIN;
+
+ return 0;
+}
+
+#define RK3528_SMT_BITS_PER_PIN 1
+#define RK3528_SMT_PINS_PER_REG 8
+#define RK3528_SMT_GPIO0_OFFSET 0x400
+#define RK3528_SMT_GPIO1_OFFSET 0x20410
+#define RK3528_SMT_GPIO2_OFFSET 0x30420
+#define RK3528_SMT_GPIO3_OFFSET 0x20430
+#define RK3528_SMT_GPIO4_OFFSET 0x10440
+
+static int rk3528_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num,
+ struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl *info = bank->drvdata;
+
+ *regmap = info->regmap_base;
+ switch (bank->bank_num) {
+ case 0:
+ *reg = RK3528_SMT_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *reg = RK3528_SMT_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *reg = RK3528_SMT_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *reg = RK3528_SMT_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *reg = RK3528_SMT_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RK3528_SMT_PINS_PER_REG) * 4);
+ *bit = pin_num % RK3528_SMT_PINS_PER_REG;
+ *bit *= RK3528_SMT_BITS_PER_PIN;
+ return 0;
+}
+
#define RK3568_DRV_PMU_OFFSET 0x70
#define RK3568_DRV_GRF_OFFSET 0x200
#define RK3568_DRV_BITS_PER_PIN 8
@@ -2495,6 +2639,10 @@ static int rockchip_set_drive_perpin(str
rmask_bits = RK3588_DRV_BITS_PER_PIN;
ret = strength;
goto config;
+ } else if (ctrl->type == RK3528) {
+ rmask_bits = RK3528_DRV_BITS_PER_PIN;
+ ret = (1 << (strength + 1)) - 1;
+ goto config;
} else if (ctrl->type == RK3568) {
rmask_bits = RK3568_DRV_BITS_PER_PIN;
ret = (1 << (strength + 1)) - 1;
@@ -2639,6 +2787,7 @@ static int rockchip_get_pull(struct rock
case RK3328:
case RK3368:
case RK3399:
+ case RK3528:
case RK3568:
case RK3576:
case RK3588:
@@ -2699,6 +2848,7 @@ static int rockchip_set_pull(struct rock
case RK3328:
case RK3368:
case RK3399:
+ case RK3528:
case RK3568:
case RK3576:
case RK3588:
@@ -2965,6 +3115,7 @@ static bool rockchip_pinconf_pull_valid(
case RK3328:
case RK3368:
case RK3399:
+ case RK3528:
case RK3568:
case RK3576:
case RK3588:
@@ -4084,6 +4235,49 @@ static struct rockchip_pin_ctrl rk3399_p
.drv_calc_reg = rk3399_calc_drv_reg_and_bit,
};
+static struct rockchip_pin_bank rk3528_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS_OFFSET(0, 32, "gpio0",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x20020, 0x20028, 0x20030, 0x20038),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(2, 32, "gpio2",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x30040, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(3, 32, "gpio3",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x20060, 0x20068, 0x20070, 0),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(4, 32, "gpio4",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x10080, 0x10088, 0x10090, 0x10098),
+};
+
+static struct rockchip_pin_ctrl rk3528_pin_ctrl __maybe_unused = {
+ .pin_banks = rk3528_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3528_pin_banks),
+ .label = "RK3528-GPIO",
+ .type = RK3528,
+ .pull_calc_reg = rk3528_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3528_calc_drv_reg_and_bit,
+ .schmitt_calc_reg = rk3528_calc_schmitt_reg_and_bit,
+};
+
static struct rockchip_pin_bank rk3568_pin_banks[] = {
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
@@ -4208,6 +4402,8 @@ static const struct of_device_id rockchi
.data = &rk3368_pin_ctrl },
{ .compatible = "rockchip,rk3399-pinctrl",
.data = &rk3399_pin_ctrl },
+ { .compatible = "rockchip,rk3528-pinctrl",
+ .data = &rk3528_pin_ctrl },
{ .compatible = "rockchip,rk3568-pinctrl",
.data = &rk3568_pin_ctrl },
{ .compatible = "rockchip,rk3576-pinctrl",
--- a/drivers/pinctrl/pinctrl-rockchip.h
+++ b/drivers/pinctrl/pinctrl-rockchip.h
@@ -196,6 +196,7 @@ enum rockchip_pinctrl_type {
RK3328,
RK3368,
RK3399,
+ RK3528,
RK3568,
RK3576,
RK3588,
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