[PATCH v4 10/12] rockchip: rk3568: add rk3568 pinctrl driver
Jagan Teki
jagan at amarulasolutions.com
Fri Feb 17 12:58:43 CET 2023
From: Jagan Teki <jagan at edgeble.ai>
Add driver supporting pin multiplexing on rk3568 platform.
Co-developed-by: Manoj Sai <abbaraju.manojsai at amarulasolutions.com>
Signed-off-by: Manoj Sai <abbaraju.manojsai at amarulasolutions.com>
Co-developed-by: Jianqun Xu <jay.xu at rock-chips.com>
Signed-off-by: Jianqun Xu <jay.xu at rock-chips.com>
Signed-off-by: Jagan Teki <jagan at edgeble.ai>
---
drivers/pinctrl/rockchip/Makefile | 1 +
drivers/pinctrl/rockchip/pinctrl-rk3568.c | 362 ++++++++++++++++++++++
2 files changed, 363 insertions(+)
create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3568.c
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 9884355473..90461ae881 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -14,5 +14,6 @@ obj-$(CONFIG_ROCKCHIP_RK3308) += pinctrl-rk3308.o
obj-$(CONFIG_ROCKCHIP_RK3328) += pinctrl-rk3328.o
obj-$(CONFIG_ROCKCHIP_RK3368) += pinctrl-rk3368.o
obj-$(CONFIG_ROCKCHIP_RK3399) += pinctrl-rk3399.o
+obj-$(CONFIG_ROCKCHIP_RK3568) += pinctrl-rk3568.o
obj-$(CONFIG_ROCKCHIP_RV1108) += pinctrl-rv1108.o
obj-$(CONFIG_ROCKCHIP_RV1126) += pinctrl-rv1126.o
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3568.c b/drivers/pinctrl/rockchip/pinctrl-rk3568.c
new file mode 100644
index 0000000000..935aed9efc
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3568.c
@@ -0,0 +1,362 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2020 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_route_data rk3568_mux_route_data[] = {
+ MR_TOPGRF(RK_GPIO0, RK_PB3, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(0, 0, 0)), /* CAN0 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PA1, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(0, 0, 1)), /* CAN0 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 0)), /* CAN1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PC3, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 1)), /* CAN1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PB5, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(4, 4, 0)), /* CAN2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PB2, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(4, 4, 1)), /* CAN2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PC4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(6, 6, 0)), /* EDPDP_HPDIN IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO0, RK_PC2, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(6, 6, 1)), /* EDPDP_HPDIN IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PB1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 0)), /* GMAC1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PA7, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 1)), /* GMAC1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PD1, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 0)), /* HDMITX IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO0, RK_PC7, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 1)), /* HDMITX IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO0, RK_PB6, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 0)), /* I2C2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PB4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 1)), /* I2C2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA0, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(0, 0, 0)), /* I2C3 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PB6, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(0, 0, 1)), /* I2C3 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PB2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(2, 2, 0)), /* I2C4 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PB1, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(2, 2, 1)), /* I2C4 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PB4, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(4, 4, 0)), /* I2C5 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PD0, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(4, 4, 1)), /* I2C5 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 0)), /* PWM4 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 1)), /* PWM4 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 0)), /* PWM5 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 1)), /* PWM5 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 0)), /* PWM6 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 1)), /* PWM6 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 0)), /* PWM7 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 1)), /* PWM7 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 0)), /* PWM8 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 1)), /* PWM8 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 0)), /* PWM9 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 1)), /* PWM9 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 0)), /* PWM10 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 1)), /* PWM10 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 0)), /* PWM11 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 1)), /* PWM11 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 0)), /* PWM12 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 1)), /* PWM12 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 0)), /* PWM13 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 1)), /* PWM13 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 0)), /* PWM14 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 1)), /* PWM14 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 0)), /* PWM15 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 1)), /* PWM15 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_3, 0x0308, RK_GENMASK_VAL(14, 14, 0)), /* SDMMC2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PA5, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(14, 14, 1)), /* SDMMC2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO0, RK_PB5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(0, 0, 0)), /* SPI0 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PD3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(0, 0, 1)), /* SPI0 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PB5, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 0)), /* SPI1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PC3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 1)), /* SPI1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(4, 4, 0)), /* SPI2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(4, 4, 1)), /* SPI2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PB3, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(6, 6, 0)), /* SPI3 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(6, 6, 1)), /* SPI3 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PB4, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(8, 8, 0)), /* UART1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(8, 8, 1)), /* UART1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(10, 10, 0)), /* UART2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(10, 10, 1)), /* UART2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(12, 12, 0)), /* UART3 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PB7, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(12, 12, 1)), /* UART3 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(14, 14, 0)), /* UART4 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PB2, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(14, 14, 1)), /* UART4 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PA2, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(0, 0, 0)), /* UART5 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PC2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(0, 0, 1)), /* UART5 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PA4, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 0)), /* UART6 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 1)), /* UART6 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PA6, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(5, 4, 0)), /* UART7 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(5, 4, 1)), /* UART7 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(5, 4, 2)), /* UART7 IO mux selection M2 */
+ MR_TOPGRF(RK_GPIO2, RK_PC5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(6, 6, 0)), /* UART8 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PD7, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(6, 6, 1)), /* UART8 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PB0, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(9, 8, 0)), /* UART9 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PC5, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 1)), /* UART9 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PA4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 2)), /* UART9 IO mux selection M2 */
+ MR_TOPGRF(RK_GPIO1, RK_PA2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(11, 10, 0)), /* I2S1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(11, 10, 1)), /* I2S1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(11, 10, 2)), /* I2S1 IO mux selection M2 */
+ MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(12, 12, 0)), /* I2S2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PB6, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(12, 12, 1)), /* I2S2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO3, RK_PA2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(14, 14, 0)), /* I2S3 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(14, 14, 1)), /* I2S3 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(0, 0, 0)), /* PDM IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO3, RK_PD6, RK_FUNC_5, 0x0314, RK_GENMASK_VAL(0, 0, 1)), /* PDM IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO0, RK_PA5, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(3, 2, 0)), /* PCIE20 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 1)), /* PCIE20 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PB0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 2)), /* PCIE20 IO mux selection M2 */
+ MR_TOPGRF(RK_GPIO0, RK_PA4, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PD2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO1, RK_PA5, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux selection M2 */
+ MR_TOPGRF(RK_GPIO0, RK_PA6, RK_FUNC_2, 0x0314, RK_GENMASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux selection M0 */
+ MR_TOPGRF(RK_GPIO2, RK_PD4, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux selection M1 */
+ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux selection M2 */
+};
+
+static int rk3568_set_mux(struct rockchip_pin_bank *bank, int pin, int mux)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ int iomux_num = (pin / 8);
+ struct regmap *regmap;
+ int reg, ret, mask;
+ u8 bit;
+ u32 data;
+
+ debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
+
+ if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
+ regmap = priv->regmap_pmu;
+ else
+ regmap = priv->regmap_base;
+
+ reg = bank->iomux[iomux_num].offset;
+ if ((pin % 8) >= 4)
+ reg += 0x4;
+ bit = (pin % 4) * 4;
+ mask = 0xf;
+
+ data = (mask << (bit + 16));
+ data |= (mux & mask) << bit;
+ ret = regmap_write(regmap, reg, data);
+
+ return ret;
+}
+
+#define RK3568_PULL_PMU_OFFSET 0x20
+#define RK3568_PULL_GRF_OFFSET 0x80
+#define RK3568_PULL_BITS_PER_PIN 2
+#define RK3568_PULL_PINS_PER_REG 8
+#define RK3568_PULL_BANK_STRIDE 0x10
+
+static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *info = bank->priv;
+
+ if (bank->bank_num == 0) {
+ *regmap = info->regmap_pmu;
+ *reg = RK3568_PULL_PMU_OFFSET;
+ *reg += bank->bank_num * RK3568_PULL_BANK_STRIDE;
+ } else {
+ *regmap = info->regmap_base;
+ *reg = RK3568_PULL_GRF_OFFSET;
+ *reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE;
+ }
+
+ *reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4);
+ *bit = (pin_num % RK3568_PULL_PINS_PER_REG);
+ *bit *= RK3568_PULL_BITS_PER_PIN;
+}
+
+#define RK3568_DRV_PMU_OFFSET 0x70
+#define RK3568_DRV_GRF_OFFSET 0x200
+#define RK3568_DRV_BITS_PER_PIN 8
+#define RK3568_DRV_PINS_PER_REG 2
+#define RK3568_DRV_BANK_STRIDE 0x40
+
+static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *info = bank->priv;
+
+ /* The first 32 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = info->regmap_pmu;
+ *reg = RK3568_DRV_PMU_OFFSET;
+ } else {
+ *regmap = info->regmap_base;
+ *reg = RK3568_DRV_GRF_OFFSET;
+ *reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE;
+ }
+
+ *reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4);
+ *bit = (pin_num % RK3568_DRV_PINS_PER_REG);
+ *bit *= RK3568_DRV_BITS_PER_PIN;
+}
+
+#define RK3568_SCHMITT_BITS_PER_PIN 2
+#define RK3568_SCHMITT_PINS_PER_REG 8
+#define RK3568_SCHMITT_BANK_STRIDE 0x10
+#define RK3568_SCHMITT_GRF_OFFSET 0xc0
+#define RK3568_SCHMITT_PMUGRF_OFFSET 0x30
+
+static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *info = bank->priv;
+
+ if (bank->bank_num == 0) {
+ *regmap = info->regmap_pmu;
+ *reg = RK3568_SCHMITT_PMUGRF_OFFSET;
+ } else {
+ *regmap = info->regmap_base;
+ *reg = RK3568_SCHMITT_GRF_OFFSET;
+ *reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE;
+ }
+
+ *reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4);
+ *bit = pin_num % RK3568_SCHMITT_PINS_PER_REG;
+ *bit *= RK3568_SCHMITT_BITS_PER_PIN;
+
+ return 0;
+}
+
+static int rk3568_set_pull(struct rockchip_pin_bank *bank,
+ int pin_num, int pull)
+{
+ struct regmap *regmap;
+ int reg, ret;
+ u8 bit, type;
+ u32 data;
+
+ if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT)
+ return -ENOTSUPP;
+
+ rk3568_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit);
+ type = bank->pull_type[pin_num / 8];
+ ret = rockchip_translate_pull_value(type, pull);
+ if (ret < 0) {
+ debug("unsupported pull setting %d\n", pull);
+ return ret;
+ }
+
+ /* enable the write to the equivalent lower bits */
+ data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16);
+
+ data |= (ret << bit);
+ ret = regmap_write(regmap, reg, data);
+
+ return ret;
+}
+
+static int rk3568_set_drive(struct rockchip_pin_bank *bank,
+ int pin_num, int strength)
+{
+ struct regmap *regmap;
+ int reg;
+ u32 data;
+ u8 bit;
+ int drv = (1 << (strength + 1)) - 1;
+ int ret = 0;
+
+ rk3568_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit);
+
+ /* enable the write to the equivalent lower bits */
+ data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << (bit + 16);
+ data |= (drv << bit);
+
+ ret = regmap_write(regmap, reg, data);
+ if (ret)
+ return ret;
+
+ if (bank->bank_num == 1 && pin_num == 21)
+ reg = 0x0840;
+ else if (bank->bank_num == 2 && pin_num == 2)
+ reg = 0x0844;
+ else if (bank->bank_num == 2 && pin_num == 8)
+ reg = 0x0848;
+ else if (bank->bank_num == 3 && pin_num == 0)
+ reg = 0x084c;
+ else if (bank->bank_num == 3 && pin_num == 6)
+ reg = 0x0850;
+ else if (bank->bank_num == 4 && pin_num == 0)
+ reg = 0x0854;
+ else
+ return 0;
+
+ data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << 16;
+ data |= drv;
+
+ return regmap_write(regmap, reg, data);
+}
+
+static int rk3568_set_schmitt(struct rockchip_pin_bank *bank,
+ int pin_num, int enable)
+{
+ struct regmap *regmap;
+ int reg;
+ u32 data;
+ u8 bit;
+
+ rk3568_calc_schmitt_reg_and_bit(bank, pin_num, ®map, ®, &bit);
+
+ /* enable the write to the equivalent lower bits */
+ data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16);
+ data |= (enable << bit);
+
+ return regmap_write(regmap, reg, data);
+}
+
+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,
+ IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT,
+ IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT),
+ PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT),
+ PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT),
+ PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT),
+ PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT),
+};
+
+static const struct rockchip_pin_ctrl rk3568_pin_ctrl = {
+ .pin_banks = rk3568_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3568_pin_banks),
+ .nr_pins = 160,
+ .grf_mux_offset = 0x0,
+ .pmu_mux_offset = 0x0,
+ .iomux_routes = rk3568_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3568_mux_route_data),
+ .set_mux = rk3568_set_mux,
+ .set_pull = rk3568_set_pull,
+ .set_drive = rk3568_set_drive,
+ .set_schmitt = rk3568_set_schmitt,
+};
+
+static const struct udevice_id rk3568_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3568-pinctrl",
+ .data = (ulong)&rk3568_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3568) = {
+ .name = "rockchip_rk3568_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3568_pinctrl_ids,
+ .priv_auto = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if CONFIG_IS_ENABLED(OF_REAL)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
--
2.25.1
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