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-rw-r--r--drivers/pinctrl/Kconfig90
-rw-r--r--drivers/pinctrl/Makefile2
-rw-r--r--drivers/pinctrl/rockchip/Kconfig17
-rw-r--r--drivers/pinctrl/rockchip/Makefile19
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3036.c65
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3128.c155
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3188.c82
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk322x.c215
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3288.c157
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3328.c227
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3368.c116
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rk3399.c193
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rockchip-core.c788
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rockchip.h302
-rw-r--r--drivers/pinctrl/rockchip/pinctrl-rv1108.c203
15 files changed, 2531 insertions, 100 deletions
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index fb441b3bf1..fdc12e0607 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -158,96 +158,6 @@ config PINCTRL_QCA953X
the GPIO definitions and pin control functions for each available
multiplex function.
-config PINCTRL_ROCKCHIP_RK3036
- bool "Rockchip rk3036 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3036 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3128
- bool "Rockchip rk3128 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3128 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3188
- bool "Rockchip rk3188 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3188 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK322X
- bool "Rockchip rk322x pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk322x SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3288
- bool "Rockchip rk3288 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3288 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3328
- bool "Rockchip rk3328 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3328 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3368
- bool "Rockchip RK3368 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3368 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3399
- bool "Rockchip rk3399 pin control driver"
- depends on DM
- help
- Support pin multiplexing control on Rockchip rk3399 SoCs.
-
- The driver is controlled by a device tree node which contains both
- the GPIO definitions and pin control functions for each available
- multiplex function.
-
-config PINCTRL_ROCKCHIP_RK3399_FULL
- bool "Rockchip rk3399 pin control driver (full)"
- depends on PINCTRL_FULL && PINCTRL_ROCKCHIP_RK3399
- help
- Support full pin multiplexing control on Rockchip rk3399 SoCs.
-
- This enables the full pinctrl driver for the RK3399.
- Contrary to the non-full pinctrl driver, this will evaluate
- the board DTB to get the pinctrl settings.
-
config PINCTRL_ROCKCHIP_RV1108
bool "Rockchip rv1108 pin control driver"
depends on DM
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index 66d36b99d1..e2c2b159d8 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -6,10 +6,10 @@ obj-$(CONFIG_$(SPL_)PINCTRL_GENERIC) += pinctrl-generic.o
obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o
obj-$(CONFIG_PINCTRL_AT91PIO4) += pinctrl-at91-pio4.o
obj-y += nxp/
+obj-$(CONFIG_$(SPL_)PINCTRL_ROCKCHIP) += rockchip/
obj-$(CONFIG_ARCH_ASPEED) += aspeed/
obj-$(CONFIG_ARCH_ATH79) += ath79/
obj-$(CONFIG_ARCH_RMOBILE) += renesas/
-obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_PINCTRL_SANDBOX) += pinctrl-sandbox.o
obj-$(CONFIG_PINCTRL_UNIPHIER) += uniphier/
diff --git a/drivers/pinctrl/rockchip/Kconfig b/drivers/pinctrl/rockchip/Kconfig
new file mode 100644
index 0000000000..dc4ba34ae5
--- /dev/null
+++ b/drivers/pinctrl/rockchip/Kconfig
@@ -0,0 +1,17 @@
+if ARCH_ROCKCHIP
+
+config PINCTRL_ROCKCHIP
+ bool "Rockchip pin control drivers"
+ depends on ARCH_ROCKCHIP && PINCTRL_GENERIC
+ default y
+ help
+ Enable support pin control functions for Rockchip SoCs.
+
+config SPL_PINCTRL_ROCKCHIP
+ bool "Support Rockchip pin controllers in SPL"
+ depends on ARCH_ROCKCHIP && SPL_PINCTRL_GENERIC
+ default y
+ help
+ This option is an SPL-variant of the PINCTRL_ROCKCHIP option.
+
+endif
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 5e3fbcb4bc..a616d8587f 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -2,12 +2,13 @@
#
# Copyright (c) 2017 Rockchip Electronics Co., Ltd
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3036) += pinctrl_rk3036.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3128) += pinctrl_rk3128.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3188) += pinctrl_rk3188.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK322X) += pinctrl_rk322x.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3288) += pinctrl_rk3288.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3328) += pinctrl_rk3328.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3368) += pinctrl_rk3368.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RK3399) += pinctrl_rk3399.o
-obj-$(CONFIG_PINCTRL_ROCKCHIP_RV1108) += pinctrl_rv1108.o
+obj-y += pinctrl-rockchip-core.o
+obj-$(CONFIG_ROCKCHIP_RK3036) += pinctrl-rk3036.o
+obj-$(CONFIG_ROCKCHIP_RK3128) += pinctrl-rk3128.o
+obj-$(CONFIG_ROCKCHIP_RK3188) += pinctrl-rk3188.o
+obj-$(CONFIG_ROCKCHIP_RK322X) += pinctrl-rk322x.o
+obj-$(CONFIG_ROCKCHIP_RK3288) += pinctrl-rk3288.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_RV1108) += pinctrl-rv1108.o
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3036.c b/drivers/pinctrl/rockchip/pinctrl-rk3036.c
new file mode 100644
index 0000000000..2729b03443
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3036.c
@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+#define RK3036_PULL_OFFSET 0x118
+#define RK3036_PULL_PINS_PER_REG 16
+#define RK3036_PULL_BANK_STRIDE 8
+
+static void rk3036_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3036_PULL_OFFSET;
+ *reg += bank->bank_num * RK3036_PULL_BANK_STRIDE;
+ *reg += (pin_num / RK3036_PULL_PINS_PER_REG) * 4;
+
+ *bit = pin_num % RK3036_PULL_PINS_PER_REG;
+};
+
+static struct rockchip_pin_bank rk3036_pin_banks[] = {
+ PIN_BANK(0, 32, "gpio0"),
+ PIN_BANK(1, 32, "gpio1"),
+ PIN_BANK(2, 32, "gpio2"),
+};
+
+static struct rockchip_pin_ctrl rk3036_pin_ctrl = {
+ .pin_banks = rk3036_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3036_pin_banks),
+ .label = "RK3036-GPIO",
+ .type = RK3036,
+ .grf_mux_offset = 0xa8,
+ .pull_calc_reg = rk3036_calc_pull_reg_and_bit,
+};
+
+static const struct udevice_id rk3036_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3036-pinctrl",
+ .data = (ulong)&rk3036_pin_ctrl
+ },
+ {}
+};
+
+U_BOOT_DRIVER(pinctrl_rockchip) = {
+ .name = "rk3036-pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3036_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3128.c b/drivers/pinctrl/rockchip/pinctrl-rk3128.c
new file mode 100644
index 0000000000..43a6c173a0
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3128.c
@@ -0,0 +1,155 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_recalced_data rk3128_mux_recalced_data[] = {
+ {
+ .num = 2,
+ .pin = 20,
+ .reg = 0xe8,
+ .bit = 0,
+ .mask = 0x7
+ }, {
+ .num = 2,
+ .pin = 21,
+ .reg = 0xe8,
+ .bit = 4,
+ .mask = 0x7
+ }, {
+ .num = 2,
+ .pin = 22,
+ .reg = 0xe8,
+ .bit = 8,
+ .mask = 0x7
+ }, {
+ .num = 2,
+ .pin = 23,
+ .reg = 0xe8,
+ .bit = 12,
+ .mask = 0x7
+ }, {
+ .num = 2,
+ .pin = 24,
+ .reg = 0xd4,
+ .bit = 12,
+ .mask = 0x7
+ },
+};
+
+static struct rockchip_mux_route_data rk3128_mux_route_data[] = {
+ {
+ /* spi-0 */
+ .bank_num = 1,
+ .pin = 10,
+ .func = 1,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 3) | BIT(16 + 4),
+ }, {
+ /* spi-1 */
+ .bank_num = 1,
+ .pin = 27,
+ .func = 3,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(3),
+ }, {
+ /* spi-2 */
+ .bank_num = 0,
+ .pin = 13,
+ .func = 2,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 3) | BIT(16 + 4) | BIT(4),
+ }, {
+ /* i2s-0 */
+ .bank_num = 1,
+ .pin = 5,
+ .func = 1,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 5),
+ }, {
+ /* i2s-1 */
+ .bank_num = 0,
+ .pin = 14,
+ .func = 1,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 5) | BIT(5),
+ }, {
+ /* emmc-0 */
+ .bank_num = 1,
+ .pin = 22,
+ .func = 2,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 6),
+ }, {
+ /* emmc-1 */
+ .bank_num = 2,
+ .pin = 4,
+ .func = 2,
+ .route_offset = 0x144,
+ .route_val = BIT(16 + 6) | BIT(6),
+ },
+};
+
+#define RK3128_PULL_OFFSET 0x118
+#define RK3128_PULL_PINS_PER_REG 16
+#define RK3128_PULL_BANK_STRIDE 8
+
+static void rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3128_PULL_OFFSET;
+ *reg += bank->bank_num * RK3128_PULL_BANK_STRIDE;
+ *reg += ((pin_num / RK3128_PULL_PINS_PER_REG) * 4);
+
+ *bit = pin_num % RK3128_PULL_PINS_PER_REG;
+}
+
+static struct rockchip_pin_bank rk3128_pin_banks[] = {
+ PIN_BANK(0, 32, "gpio0"),
+ PIN_BANK(1, 32, "gpio1"),
+ PIN_BANK(2, 32, "gpio2"),
+ PIN_BANK(3, 32, "gpio3"),
+};
+
+static struct rockchip_pin_ctrl rk3128_pin_ctrl = {
+ .pin_banks = rk3128_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3128_pin_banks),
+ .label = "RK3128-GPIO",
+ .type = RK3128,
+ .grf_mux_offset = 0xa8,
+ .iomux_recalced = rk3128_mux_recalced_data,
+ .niomux_recalced = ARRAY_SIZE(rk3128_mux_recalced_data),
+ .iomux_routes = rk3128_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3128_mux_route_data),
+ .pull_calc_reg = rk3128_calc_pull_reg_and_bit,
+};
+
+static const struct udevice_id rk3128_pinctrl_ids[] = {
+ { .compatible = "rockchip,rk3128-pinctrl",
+ .data = (ulong)&rk3128_pin_ctrl },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3128) = {
+ .name = "pinctrl_rk3128",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3128_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3188.c b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
new file mode 100644
index 0000000000..5ed9aec938
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3188.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+#define RK3188_PULL_OFFSET 0x164
+#define RK3188_PULL_PMU_OFFSET 0x64
+
+static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 12 pins of the first bank are located elsewhere */
+ if (bank->bank_num == 0 && pin_num < 12) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3188_PULL_PMU_OFFSET;
+
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG;
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3188_PULL_OFFSET;
+
+ /* correct the offset, as it is the 2nd pull register */
+ *reg -= 4;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ /*
+ * The bits in these registers have an inverse ordering
+ * with the lowest pin being in bits 15:14 and the highest
+ * pin in bits 1:0
+ */
+ *bit = 7 - (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ }
+}
+
+static struct rockchip_pin_bank rk3188_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_GPIO_ONLY, 0, 0, 0),
+ PIN_BANK(1, 32, "gpio1"),
+ PIN_BANK(2, 32, "gpio2"),
+ PIN_BANK(3, 32, "gpio3"),
+};
+
+static struct rockchip_pin_ctrl rk3188_pin_ctrl = {
+ .pin_banks = rk3188_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3188_pin_banks),
+ .label = "RK3188-GPIO",
+ .type = RK3188,
+ .grf_mux_offset = 0x60,
+ .pull_calc_reg = rk3188_calc_pull_reg_and_bit,
+};
+
+static const struct udevice_id rk3188_pinctrl_ids[] = {
+ { .compatible = "rockchip,rk3188-pinctrl",
+ .data = (ulong)&rk3188_pin_ctrl },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3188) = {
+ .name = "rockchip_rk3188_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3188_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk322x.c b/drivers/pinctrl/rockchip/pinctrl-rk322x.c
new file mode 100644
index 0000000000..d2a6cd7055
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk322x.c
@@ -0,0 +1,215 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_route_data rk3228_mux_route_data[] = {
+ {
+ /* pwm0-0 */
+ .bank_num = 0,
+ .pin = 26,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16),
+ }, {
+ /* pwm0-1 */
+ .bank_num = 3,
+ .pin = 21,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16) | BIT(0),
+ }, {
+ /* pwm1-0 */
+ .bank_num = 0,
+ .pin = 27,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 1),
+ }, {
+ /* pwm1-1 */
+ .bank_num = 0,
+ .pin = 30,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 1) | BIT(1),
+ }, {
+ /* pwm2-0 */
+ .bank_num = 0,
+ .pin = 28,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 2),
+ }, {
+ /* pwm2-1 */
+ .bank_num = 1,
+ .pin = 12,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 2) | BIT(2),
+ }, {
+ /* pwm3-0 */
+ .bank_num = 3,
+ .pin = 26,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 3),
+ }, {
+ /* pwm3-1 */
+ .bank_num = 1,
+ .pin = 11,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 3) | BIT(3),
+ }, {
+ /* sdio-0_d0 */
+ .bank_num = 1,
+ .pin = 1,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 4),
+ }, {
+ /* sdio-1_d0 */
+ .bank_num = 3,
+ .pin = 2,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 4) | BIT(4),
+ }, {
+ /* spi-0_rx */
+ .bank_num = 0,
+ .pin = 13,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 5),
+ }, {
+ /* spi-1_rx */
+ .bank_num = 2,
+ .pin = 0,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 5) | BIT(5),
+ }, {
+ /* emmc-0_cmd */
+ .bank_num = 1,
+ .pin = 22,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 7),
+ }, {
+ /* emmc-1_cmd */
+ .bank_num = 2,
+ .pin = 4,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 7) | BIT(7),
+ }, {
+ /* uart2-0_rx */
+ .bank_num = 1,
+ .pin = 19,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 8),
+ }, {
+ /* uart2-1_rx */
+ .bank_num = 1,
+ .pin = 10,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 8) | BIT(8),
+ }, {
+ /* uart1-0_rx */
+ .bank_num = 1,
+ .pin = 10,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 11),
+ }, {
+ /* uart1-1_rx */
+ .bank_num = 3,
+ .pin = 13,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 11) | BIT(11),
+ },
+};
+
+#define RK3228_PULL_OFFSET 0x100
+
+static void rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3228_PULL_OFFSET;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+}
+
+#define RK3228_DRV_GRF_OFFSET 0x200
+
+static void rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3228_DRV_GRF_OFFSET;
+ *reg += bank->bank_num * ROCKCHIP_DRV_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_DRV_PINS_PER_REG);
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+}
+
+static struct rockchip_pin_bank rk3228_pin_banks[] = {
+ PIN_BANK(0, 32, "gpio0"),
+ PIN_BANK(1, 32, "gpio1"),
+ PIN_BANK(2, 32, "gpio2"),
+ PIN_BANK(3, 32, "gpio3"),
+};
+
+static struct rockchip_pin_ctrl rk3228_pin_ctrl = {
+ .pin_banks = rk3228_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3228_pin_banks),
+ .label = "RK3228-GPIO",
+ .type = RK3288,
+ .grf_mux_offset = 0x0,
+ .iomux_routes = rk3228_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3228_mux_route_data),
+ .pull_calc_reg = rk3228_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3228_calc_drv_reg_and_bit,
+};
+
+static const struct udevice_id rk3228_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3228-pinctrl",
+ .data = (ulong)&rk3228_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3228) = {
+ .name = "rockchip_rk3228_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3228_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3288.c b/drivers/pinctrl/rockchip/pinctrl-rk3288.c
new file mode 100644
index 0000000000..60585f3208
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3288.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_route_data rk3288_mux_route_data[] = {
+ {
+ /* edphdmi_cecinoutt1 */
+ .bank_num = 7,
+ .pin = 16,
+ .func = 2,
+ .route_offset = 0x264,
+ .route_val = BIT(16 + 12) | BIT(12),
+ }, {
+ /* edphdmi_cecinout */
+ .bank_num = 7,
+ .pin = 23,
+ .func = 4,
+ .route_offset = 0x264,
+ .route_val = BIT(16 + 12),
+ },
+};
+
+#define RK3288_PULL_OFFSET 0x140
+#define RK3288_PULL_PMU_OFFSET 0x64
+
+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_priv *priv = bank->priv;
+
+ /* The first 24 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3288_PULL_PMU_OFFSET;
+
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG;
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3288_PULL_OFFSET;
+
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ }
+}
+
+#define RK3288_DRV_PMU_OFFSET 0x70
+#define RK3288_DRV_GRF_OFFSET 0x1c0
+
+static void rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 24 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3288_DRV_PMU_OFFSET;
+
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_DRV_PINS_PER_REG;
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3288_DRV_GRF_OFFSET;
+
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_DRV_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_DRV_PINS_PER_REG);
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+ }
+}
+
+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 = RK3288,
+ .grf_mux_offset = 0x0,
+ .pmu_mux_offset = 0x84,
+ .iomux_routes = rk3288_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3288_mux_route_data),
+ .pull_calc_reg = rk3288_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3288_calc_drv_reg_and_bit,
+};
+
+static const struct udevice_id rk3288_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3288-pinctrl",
+ .data = (ulong)&rk3288_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3288) = {
+ .name = "rockchip_rk3288_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3288_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3328.c b/drivers/pinctrl/rockchip/pinctrl-rk3328.c
new file mode 100644
index 0000000000..f1b3d10dbe
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3328.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = {
+ {
+ .num = 2,
+ .pin = 12,
+ .reg = 0x24,
+ .bit = 8,
+ .mask = 0x3
+ }, {
+ .num = 2,
+ .pin = 15,
+ .reg = 0x28,
+ .bit = 0,
+ .mask = 0x7
+ }, {
+ .num = 2,
+ .pin = 23,
+ .reg = 0x30,
+ .bit = 14,
+ .mask = 0x3
+ },
+};
+
+static struct rockchip_mux_route_data rk3328_mux_route_data[] = {
+ {
+ /* uart2dbg_rxm0 */
+ .bank_num = 1,
+ .pin = 1,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16) | BIT(16 + 1),
+ }, {
+ /* uart2dbg_rxm1 */
+ .bank_num = 2,
+ .pin = 1,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16) | BIT(16 + 1) | BIT(0),
+ }, {
+ /* gmac-m1_rxd0 */
+ .bank_num = 1,
+ .pin = 11,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 2) | BIT(2),
+ }, {
+ /* gmac-m1-optimized_rxd3 */
+ .bank_num = 1,
+ .pin = 14,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 10) | BIT(10),
+ }, {
+ /* pdm_sdi0m0 */
+ .bank_num = 2,
+ .pin = 19,
+ .func = 2,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 3),
+ }, {
+ /* pdm_sdi0m1 */
+ .bank_num = 1,
+ .pin = 23,
+ .func = 3,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 3) | BIT(3),
+ }, {
+ /* spi_rxdm2 */
+ .bank_num = 3,
+ .pin = 2,
+ .func = 4,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 4) | BIT(16 + 5) | BIT(5),
+ }, {
+ /* i2s2_sdim0 */
+ .bank_num = 1,
+ .pin = 24,
+ .func = 1,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 6),
+ }, {
+ /* i2s2_sdim1 */
+ .bank_num = 3,
+ .pin = 2,
+ .func = 6,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 6) | BIT(6),
+ }, {
+ /* card_iom1 */
+ .bank_num = 2,
+ .pin = 22,
+ .func = 3,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 7) | BIT(7),
+ }, {
+ /* tsp_d5m1 */
+ .bank_num = 2,
+ .pin = 16,
+ .func = 3,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 8) | BIT(8),
+ }, {
+ /* cif_data5m1 */
+ .bank_num = 2,
+ .pin = 16,
+ .func = 4,
+ .route_offset = 0x50,
+ .route_val = BIT(16 + 9) | BIT(9),
+ },
+};
+
+#define RK3328_PULL_OFFSET 0x100
+
+static void rk3328_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3328_PULL_OFFSET;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+}
+
+#define RK3328_DRV_GRF_OFFSET 0x200
+
+static void rk3328_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3328_DRV_GRF_OFFSET;
+ *reg += bank->bank_num * ROCKCHIP_DRV_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_DRV_PINS_PER_REG);
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+}
+
+#define RK3328_SCHMITT_BITS_PER_PIN 1
+#define RK3328_SCHMITT_PINS_PER_REG 16
+#define RK3328_SCHMITT_BANK_STRIDE 8
+#define RK3328_SCHMITT_GRF_OFFSET 0x380
+
+static int rk3328_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num,
+ struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ *regmap = priv->regmap_base;
+ *reg = RK3328_SCHMITT_GRF_OFFSET;
+
+ *reg += bank->bank_num * RK3328_SCHMITT_BANK_STRIDE;
+ *reg += ((pin_num / RK3328_SCHMITT_PINS_PER_REG) * 4);
+ *bit = pin_num % RK3328_SCHMITT_PINS_PER_REG;
+
+ return 0;
+}
+
+static struct rockchip_pin_bank rk3328_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", 0, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0,
+ IOMUX_WIDTH_3BIT,
+ IOMUX_WIDTH_3BIT,
+ 0),
+ PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3",
+ IOMUX_WIDTH_3BIT,
+ IOMUX_WIDTH_3BIT,
+ 0,
+ 0),
+};
+
+static struct rockchip_pin_ctrl rk3328_pin_ctrl = {
+ .pin_banks = rk3328_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3328_pin_banks),
+ .label = "RK3328-GPIO",
+ .type = RK3288,
+ .grf_mux_offset = 0x0,
+ .iomux_recalced = rk3328_mux_recalced_data,
+ .niomux_recalced = ARRAY_SIZE(rk3328_mux_recalced_data),
+ .iomux_routes = rk3328_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3328_mux_route_data),
+ .pull_calc_reg = rk3328_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3328_calc_drv_reg_and_bit,
+ .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit,
+};
+
+static const struct udevice_id rk3328_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3328-pinctrl",
+ .data = (ulong)&rk3328_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3328) = {
+ .name = "rockchip_rk3328_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3328_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3368.c b/drivers/pinctrl/rockchip/pinctrl-rk3368.c
new file mode 100644
index 0000000000..f5cd6ff24e
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3368.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+#define RK3368_PULL_GRF_OFFSET 0x100
+#define RK3368_PULL_PMU_OFFSET 0x10
+
+static void rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 32 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3368_PULL_PMU_OFFSET;
+
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG;
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3368_PULL_GRF_OFFSET;
+
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ }
+}
+
+#define RK3368_DRV_PMU_OFFSET 0x20
+#define RK3368_DRV_GRF_OFFSET 0x200
+
+static void rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 32 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3368_DRV_PMU_OFFSET;
+
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_DRV_PINS_PER_REG;
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3368_DRV_GRF_OFFSET;
+
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_DRV_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_DRV_PINS_PER_REG);
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+ }
+}
+
+static struct rockchip_pin_bank rk3368_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU
+ ),
+ PIN_BANK(1, 32, "gpio1"),
+ PIN_BANK(2, 32, "gpio2"),
+ PIN_BANK(3, 32, "gpio3"),
+};
+
+static struct rockchip_pin_ctrl rk3368_pin_ctrl = {
+ .pin_banks = rk3368_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3368_pin_banks),
+ .label = "RK3368-GPIO",
+ .type = RK3368,
+ .grf_mux_offset = 0x0,
+ .pmu_mux_offset = 0x0,
+ .pull_calc_reg = rk3368_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3368_calc_drv_reg_and_bit,
+};
+
+static const struct udevice_id rk3368_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3368-pinctrl",
+ .data = (ulong)&rk3368_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3368) = {
+ .name = "rockchip_rk3368_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3368_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rk3399.c b/drivers/pinctrl/rockchip/pinctrl-rk3399.c
new file mode 100644
index 0000000000..c5aab647a5
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rk3399.c
@@ -0,0 +1,193 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_route_data rk3399_mux_route_data[] = {
+ {
+ /* uart2dbga_rx */
+ .bank_num = 4,
+ .pin = 8,
+ .func = 2,
+ .route_offset = 0xe21c,
+ .route_val = BIT(16 + 10) | BIT(16 + 11),
+ }, {
+ /* uart2dbgb_rx */
+ .bank_num = 4,
+ .pin = 16,
+ .func = 2,
+ .route_offset = 0xe21c,
+ .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(10),
+ }, {
+ /* uart2dbgc_rx */
+ .bank_num = 4,
+ .pin = 19,
+ .func = 1,
+ .route_offset = 0xe21c,
+ .route_val = BIT(16 + 10) | BIT(16 + 11) | BIT(11),
+ }, {
+ /* pcie_clkreqn */
+ .bank_num = 2,
+ .pin = 26,
+ .func = 2,
+ .route_offset = 0xe21c,
+ .route_val = BIT(16 + 14),
+ }, {
+ /* pcie_clkreqnb */
+ .bank_num = 4,
+ .pin = 24,
+ .func = 1,
+ .route_offset = 0xe21c,
+ .route_val = BIT(16 + 14) | BIT(14),
+ },
+};
+
+#define RK3399_PULL_GRF_OFFSET 0xe040
+#define RK3399_PULL_PMU_OFFSET 0x40
+
+static void rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The bank0:16 and bank1:32 pins are located in PMU */
+ if (bank->bank_num == 0 || bank->bank_num == 1) {
+ *regmap = priv->regmap_pmu;
+ *reg = RK3399_PULL_PMU_OFFSET;
+
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_PULL_PINS_PER_REG;
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RK3399_PULL_GRF_OFFSET;
+
+ /* correct the offset, as we're starting with the 3rd bank */
+ *reg -= 0x20;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+ }
+}
+
+static void rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ int drv_num = (pin_num / 8);
+
+ /* The bank0:16 and bank1:32 pins are located in PMU */
+ if (bank->bank_num == 0 || bank->bank_num == 1)
+ *regmap = priv->regmap_pmu;
+ else
+ *regmap = priv->regmap_base;
+
+ *reg = bank->drv[drv_num].offset;
+ if (bank->drv[drv_num].drv_type == DRV_TYPE_IO_1V8_3V0_AUTO ||
+ bank->drv[drv_num].drv_type == DRV_TYPE_IO_3V3_ONLY)
+ *bit = (pin_num % 8) * 3;
+ else
+ *bit = (pin_num % 8) * 2;
+}
+
+static struct rockchip_pin_bank rk3399_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(0, 32, "gpio0",
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ DRV_TYPE_IO_1V8_ONLY,
+ DRV_TYPE_IO_1V8_ONLY,
+ DRV_TYPE_IO_DEFAULT,
+ DRV_TYPE_IO_DEFAULT,
+ 0x80,
+ 0x88,
+ -1,
+ -1,
+ PULL_TYPE_IO_1V8_ONLY,
+ PULL_TYPE_IO_1V8_ONLY,
+ PULL_TYPE_IO_DEFAULT,
+ PULL_TYPE_IO_DEFAULT
+ ),
+ PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(1, 32, "gpio1", IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ 0xa0,
+ 0xa8,
+ 0xb0,
+ 0xb8
+ ),
+ PIN_BANK_DRV_FLAGS_PULL_FLAGS(2, 32, "gpio2", DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_ONLY,
+ DRV_TYPE_IO_1V8_ONLY,
+ PULL_TYPE_IO_DEFAULT,
+ PULL_TYPE_IO_DEFAULT,
+ PULL_TYPE_IO_1V8_ONLY,
+ PULL_TYPE_IO_1V8_ONLY
+ ),
+ PIN_BANK_DRV_FLAGS(3, 32, "gpio3", DRV_TYPE_IO_3V3_ONLY,
+ DRV_TYPE_IO_3V3_ONLY,
+ DRV_TYPE_IO_3V3_ONLY,
+ DRV_TYPE_IO_1V8_OR_3V0
+ ),
+ PIN_BANK_DRV_FLAGS(4, 32, "gpio4", DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_3V0_AUTO,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_OR_3V0
+ ),
+};
+
+static struct rockchip_pin_ctrl rk3399_pin_ctrl = {
+ .pin_banks = rk3399_pin_banks,
+ .nr_banks = ARRAY_SIZE(rk3399_pin_banks),
+ .label = "RK3399-GPIO",
+ .type = RK3399,
+ .grf_mux_offset = 0xe000,
+ .pmu_mux_offset = 0x0,
+ .grf_drv_offset = 0xe100,
+ .pmu_drv_offset = 0x80,
+ .iomux_routes = rk3399_mux_route_data,
+ .niomux_routes = ARRAY_SIZE(rk3399_mux_route_data),
+ .pull_calc_reg = rk3399_calc_pull_reg_and_bit,
+ .drv_calc_reg = rk3399_calc_drv_reg_and_bit,
+};
+
+static const struct udevice_id rk3399_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rk3399-pinctrl",
+ .data = (ulong)&rk3399_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3399) = {
+ .name = "rockchip_rk3399_pinctrl",
+ .id = UCLASS_PINCTRL,
+ .of_match = rk3399_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
new file mode 100644
index 0000000000..b84b079064
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
@@ -0,0 +1,788 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <fdtdec.h>
+
+#include "pinctrl-rockchip.h"
+
+#define MAX_ROCKCHIP_PINS_ENTRIES 30
+#define MAX_ROCKCHIP_GPIO_PER_BANK 32
+#define RK_FUNC_GPIO 0
+
+static int rockchip_verify_config(struct udevice *dev, u32 bank, u32 pin)
+{
+ struct rockchip_pinctrl_priv *priv = dev_get_priv(dev);
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+
+ if (bank >= ctrl->nr_banks) {
+ debug("pin conf bank %d >= nbanks %d\n", bank, ctrl->nr_banks);
+ return -EINVAL;
+ }
+
+ if (pin >= MAX_ROCKCHIP_GPIO_PER_BANK) {
+ debug("pin conf pin %d >= %d\n", pin,
+ MAX_ROCKCHIP_GPIO_PER_BANK);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void rockchip_get_recalced_mux(struct rockchip_pin_bank *bank, int pin,
+ int *reg, u8 *bit, int *mask)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ struct rockchip_mux_recalced_data *data;
+ int i;
+
+ for (i = 0; i < ctrl->niomux_recalced; i++) {
+ data = &ctrl->iomux_recalced[i];
+ if (data->num == bank->bank_num &&
+ data->pin == pin)
+ break;
+ }
+
+ if (i >= ctrl->niomux_recalced)
+ return;
+
+ *reg = data->reg;
+ *mask = data->mask;
+ *bit = data->bit;
+}
+
+static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin,
+ int mux, u32 *reg, u32 *value)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ struct rockchip_mux_route_data *data;
+ int i;
+
+ for (i = 0; i < ctrl->niomux_routes; i++) {
+ data = &ctrl->iomux_routes[i];
+ if (data->bank_num == bank->bank_num &&
+ data->pin == pin && data->func == mux)
+ break;
+ }
+
+ if (i >= ctrl->niomux_routes)
+ return false;
+
+ *reg = data->route_offset;
+ *value = data->route_val;
+
+ return true;
+}
+
+static int rockchip_get_mux_data(int mux_type, int pin, u8 *bit, int *mask)
+{
+ int offset = 0;
+
+ if (mux_type & IOMUX_WIDTH_4BIT) {
+ if ((pin % 8) >= 4)
+ offset = 0x4;
+ *bit = (pin % 4) * 4;
+ *mask = 0xf;
+ } else if (mux_type & IOMUX_WIDTH_3BIT) {
+ /*
+ * pin0 ~ pin4 are at first register, and
+ * pin5 ~ pin7 are at second register.
+ */
+ if ((pin % 8) >= 5)
+ offset = 0x4;
+ *bit = (pin % 8 % 5) * 3;
+ *mask = 0x7;
+ } else {
+ *bit = (pin % 8) * 2;
+ *mask = 0x3;
+ }
+
+ return offset;
+}
+
+static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ int iomux_num = (pin / 8);
+ struct regmap *regmap;
+ unsigned int val;
+ int reg, ret, mask, mux_type;
+ u8 bit;
+
+ if (iomux_num > 3)
+ return -EINVAL;
+
+ if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
+ debug("pin %d is unrouted\n", pin);
+ return -EINVAL;
+ }
+
+ if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
+ return RK_FUNC_GPIO;
+
+ regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
+ ? priv->regmap_pmu : priv->regmap_base;
+
+ /* get basic quadrupel of mux registers and the correct reg inside */
+ mux_type = bank->iomux[iomux_num].type;
+ reg = bank->iomux[iomux_num].offset;
+ reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask);
+
+ if (bank->recalced_mask & BIT(pin))
+ rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
+
+ ret = regmap_read(regmap, reg, &val);
+ if (ret)
+ return ret;
+
+ return ((val >> bit) & mask);
+}
+
+static int rockchip_pinctrl_get_gpio_mux(struct udevice *dev, int banknum,
+ int index)
+{ struct rockchip_pinctrl_priv *priv = dev_get_priv(dev);
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+
+ return rockchip_get_mux(&ctrl->pin_banks[banknum], index);
+}
+
+static int rockchip_verify_mux(struct rockchip_pin_bank *bank,
+ int pin, int mux)
+{
+ int iomux_num = (pin / 8);
+
+ if (iomux_num > 3)
+ return -EINVAL;
+
+ if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) {
+ debug("pin %d is unrouted\n", pin);
+ return -EINVAL;
+ }
+
+ if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) {
+ if (mux != IOMUX_GPIO_ONLY) {
+ debug("pin %d only supports a gpio mux\n", pin);
+ return -ENOTSUPP;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Set a new mux function for a pin.
+ *
+ * The register is divided into the upper and lower 16 bit. When changing
+ * a value, the previous register value is not read and changed. Instead
+ * it seems the changed bits are marked in the upper 16 bit, while the
+ * changed value gets set in the same offset in the lower 16 bit.
+ * All pin settings seem to be 2 bit wide in both the upper and lower
+ * parts.
+ * @bank: pin bank to change
+ * @pin: pin to change
+ * @mux: new mux function to set
+ */
+static int rockchip_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, mux_type;
+ u8 bit;
+ u32 data, route_reg, route_val;
+
+ ret = rockchip_verify_mux(bank, pin, mux);
+ if (ret < 0)
+ return ret;
+
+ if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY)
+ return 0;
+
+ debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux);
+
+ regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU)
+ ? priv->regmap_pmu : priv->regmap_base;
+
+ /* get basic quadrupel of mux registers and the correct reg inside */
+ mux_type = bank->iomux[iomux_num].type;
+ reg = bank->iomux[iomux_num].offset;
+ reg += rockchip_get_mux_data(mux_type, pin, &bit, &mask);
+
+ if (bank->recalced_mask & BIT(pin))
+ rockchip_get_recalced_mux(bank, pin, &reg, &bit, &mask);
+
+ if (bank->route_mask & BIT(pin)) {
+ if (rockchip_get_mux_route(bank, pin, mux, &route_reg,
+ &route_val)) {
+ ret = regmap_write(regmap, route_reg, route_val);
+ if (ret)
+ return ret;
+ }
+ }
+
+ data = (mask << (bit + 16));
+ data |= (mux & mask) << bit;
+ ret = regmap_write(regmap, reg, data);
+
+ return ret;
+}
+
+static int rockchip_perpin_drv_list[DRV_TYPE_MAX][8] = {
+ { 2, 4, 8, 12, -1, -1, -1, -1 },
+ { 3, 6, 9, 12, -1, -1, -1, -1 },
+ { 5, 10, 15, 20, -1, -1, -1, -1 },
+ { 4, 6, 8, 10, 12, 14, 16, 18 },
+ { 4, 7, 10, 13, 16, 19, 22, 26 }
+};
+
+static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank,
+ int pin_num, int strength)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ struct regmap *regmap;
+ int reg, ret, i;
+ u32 data, rmask_bits, temp;
+ u8 bit;
+ int drv_type = bank->drv[pin_num / 8].drv_type;
+
+ debug("setting drive of GPIO%d-%d to %d\n", bank->bank_num,
+ pin_num, strength);
+
+ ctrl->drv_calc_reg(bank, pin_num, &regmap, &reg, &bit);
+
+ ret = -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(rockchip_perpin_drv_list[drv_type]); i++) {
+ if (rockchip_perpin_drv_list[drv_type][i] == strength) {
+ ret = i;
+ break;
+ } else if (rockchip_perpin_drv_list[drv_type][i] < 0) {
+ ret = rockchip_perpin_drv_list[drv_type][i];
+ break;
+ }
+ }
+
+ if (ret < 0) {
+ debug("unsupported driver strength %d\n", strength);
+ return ret;
+ }
+
+ switch (drv_type) {
+ case DRV_TYPE_IO_1V8_3V0_AUTO:
+ case DRV_TYPE_IO_3V3_ONLY:
+ rmask_bits = ROCKCHIP_DRV_3BITS_PER_PIN;
+ switch (bit) {
+ case 0 ... 12:
+ /* regular case, nothing to do */
+ break;
+ case 15:
+ /*
+ * drive-strength offset is special, as it is spread
+ * over 2 registers, the bit data[15] contains bit 0
+ * of the value while temp[1:0] contains bits 2 and 1
+ */
+ data = (ret & 0x1) << 15;
+ temp = (ret >> 0x1) & 0x3;
+
+ data |= BIT(31);
+ ret = regmap_write(regmap, reg, data);
+ if (ret)
+ return ret;
+
+ temp |= (0x3 << 16);
+ reg += 0x4;
+ ret = regmap_write(regmap, reg, temp);
+
+ return ret;
+ case 18 ... 21:
+ /* setting fully enclosed in the second register */
+ reg += 4;
+ bit -= 16;
+ break;
+ default:
+ debug("unsupported bit: %d for pinctrl drive type: %d\n",
+ bit, drv_type);
+ return -EINVAL;
+ }
+ break;
+ case DRV_TYPE_IO_DEFAULT:
+ case DRV_TYPE_IO_1V8_OR_3V0:
+ case DRV_TYPE_IO_1V8_ONLY:
+ rmask_bits = ROCKCHIP_DRV_BITS_PER_PIN;
+ break;
+ default:
+ debug("unsupported pinctrl drive type: %d\n",
+ drv_type);
+ return -EINVAL;
+ }
+
+ /* enable the write to the equivalent lower bits */
+ data = ((1 << rmask_bits) - 1) << (bit + 16);
+ data |= (ret << bit);
+
+ ret = regmap_write(regmap, reg, data);
+ return ret;
+}
+
+static int rockchip_pull_list[PULL_TYPE_MAX][4] = {
+ {
+ PIN_CONFIG_BIAS_DISABLE,
+ PIN_CONFIG_BIAS_PULL_UP,
+ PIN_CONFIG_BIAS_PULL_DOWN,
+ PIN_CONFIG_BIAS_BUS_HOLD
+ },
+ {
+ PIN_CONFIG_BIAS_DISABLE,
+ PIN_CONFIG_BIAS_PULL_DOWN,
+ PIN_CONFIG_BIAS_DISABLE,
+ PIN_CONFIG_BIAS_PULL_UP
+ },
+};
+
+static int rockchip_set_pull(struct rockchip_pin_bank *bank,
+ int pin_num, int pull)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ struct regmap *regmap;
+ int reg, ret, i, pull_type;
+ u8 bit;
+ u32 data;
+
+ debug("setting pull of GPIO%d-%d to %d\n", bank->bank_num,
+ pin_num, pull);
+
+ ctrl->pull_calc_reg(bank, pin_num, &regmap, &reg, &bit);
+
+ switch (ctrl->type) {
+ case RK3036:
+ case RK3128:
+ data = BIT(bit + 16);
+ if (pull == PIN_CONFIG_BIAS_DISABLE)
+ data |= BIT(bit);
+ ret = regmap_write(regmap, reg, data);
+ break;
+ case RV1108:
+ case RK3188:
+ case RK3288:
+ case RK3368:
+ case RK3399:
+ pull_type = bank->pull_type[pin_num / 8];
+ ret = -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(rockchip_pull_list[pull_type]);
+ i++) {
+ if (rockchip_pull_list[pull_type][i] == pull) {
+ ret = i;
+ break;
+ }
+ }
+
+ 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);
+ break;
+ default:
+ debug("unsupported pinctrl type\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static int rockchip_set_schmitt(struct rockchip_pin_bank *bank,
+ int pin_num, int enable)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ struct regmap *regmap;
+ int reg, ret;
+ u8 bit;
+ u32 data;
+
+ debug("setting input schmitt of GPIO%d-%d to %d\n", bank->bank_num,
+ pin_num, enable);
+
+ ret = ctrl->schmitt_calc_reg(bank, pin_num, &regmap, &reg, &bit);
+ if (ret)
+ return ret;
+
+ /* enable the write to the equivalent lower bits */
+ data = BIT(bit + 16) | (enable << bit);
+
+ return regmap_write(regmap, reg, data);
+}
+
+/*
+ * Pinconf_ops handling
+ */
+static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl,
+ unsigned int pull)
+{
+ switch (ctrl->type) {
+ case RK3036:
+ case RK3128:
+ return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT ||
+ pull == PIN_CONFIG_BIAS_DISABLE);
+ case RV1108:
+ case RK3188:
+ case RK3288:
+ case RK3368:
+ case RK3399:
+ return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT);
+ }
+
+ return false;
+}
+
+/* set the pin config settings for a specified pin */
+static int rockchip_pinconf_set(struct rockchip_pin_bank *bank,
+ u32 pin, u32 param, u32 arg)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ int rc;
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_DISABLE:
+ rc = rockchip_set_pull(bank, pin, param);
+ if (rc)
+ return rc;
+ break;
+
+ case PIN_CONFIG_BIAS_PULL_UP:
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
+ case PIN_CONFIG_BIAS_BUS_HOLD:
+ if (!rockchip_pinconf_pull_valid(ctrl, param))
+ return -ENOTSUPP;
+
+ if (!arg)
+ return -EINVAL;
+
+ rc = rockchip_set_pull(bank, pin, param);
+ if (rc)
+ return rc;
+ break;
+
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ if (!ctrl->drv_calc_reg)
+ return -ENOTSUPP;
+
+ rc = rockchip_set_drive_perpin(bank, pin, arg);
+ if (rc < 0)
+ return rc;
+ break;
+
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ if (!ctrl->schmitt_calc_reg)
+ return -ENOTSUPP;
+
+ rc = rockchip_set_schmitt(bank, pin, arg);
+ if (rc < 0)
+ return rc;
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct pinconf_param rockchip_conf_params[] = {
+ { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
+ { "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 },
+ { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 },
+ { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 },
+ { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 },
+ { "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
+ { "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
+ { "input-schmitt-disable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 0 },
+ { "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 },
+};
+
+static int rockchip_pinconf_prop_name_to_param(const char *property,
+ u32 *default_value)
+{
+ const struct pinconf_param *p, *end;
+
+ p = rockchip_conf_params;
+ end = p + sizeof(rockchip_conf_params) / sizeof(struct pinconf_param);
+
+ /* See if this pctldev supports this parameter */
+ for (; p < end; p++) {
+ if (!strcmp(property, p->property)) {
+ *default_value = p->default_value;
+ return p->param;
+ }
+ }
+
+ *default_value = 0;
+ return -EPERM;
+}
+
+static int rockchip_pinctrl_set_state(struct udevice *dev,
+ struct udevice *config)
+{
+ struct rockchip_pinctrl_priv *priv = dev_get_priv(dev);
+ struct rockchip_pin_ctrl *ctrl = priv->ctrl;
+ u32 cells[MAX_ROCKCHIP_PINS_ENTRIES * 4];
+ u32 bank, pin, mux, conf, arg, default_val;
+ int ret, count, i;
+ const char *prop_name;
+ const void *value;
+ int prop_len, param;
+ const u32 *data;
+ ofnode node;
+#ifdef CONFIG_OF_LIVE
+ const struct device_node *np;
+ struct property *pp;
+#else
+ int property_offset, pcfg_node;
+ const void *blob = gd->fdt_blob;
+#endif
+ data = dev_read_prop(config, "rockchip,pins", &count);
+ if (count < 0) {
+ debug("%s: bad array size %d\n", __func__, count);
+ return -EINVAL;
+ }
+
+ count /= sizeof(u32);
+ if (count > MAX_ROCKCHIP_PINS_ENTRIES * 4) {
+ debug("%s: unsupported pins array count %d\n",
+ __func__, count);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < count; i++)
+ cells[i] = fdt32_to_cpu(data[i]);
+
+ for (i = 0; i < (count >> 2); i++) {
+ bank = cells[4 * i + 0];
+ pin = cells[4 * i + 1];
+ mux = cells[4 * i + 2];
+ conf = cells[4 * i + 3];
+
+ ret = rockchip_verify_config(dev, bank, pin);
+ if (ret)
+ return ret;
+
+ ret = rockchip_set_mux(&ctrl->pin_banks[bank], pin, mux);
+ if (ret)
+ return ret;
+
+ node = ofnode_get_by_phandle(conf);
+ if (!ofnode_valid(node))
+ return -ENODEV;
+#ifdef CONFIG_OF_LIVE
+ np = ofnode_to_np(node);
+ for (pp = np->properties; pp; pp = pp->next) {
+ prop_name = pp->name;
+ prop_len = pp->length;
+ value = pp->value;
+#else
+ pcfg_node = ofnode_to_offset(node);
+ fdt_for_each_property_offset(property_offset, blob, pcfg_node) {
+ value = fdt_getprop_by_offset(blob, property_offset,
+ &prop_name, &prop_len);
+ if (!value)
+ return -ENOENT;
+#endif
+ param = rockchip_pinconf_prop_name_to_param(prop_name,
+ &default_val);
+ if (param < 0)
+ break;
+
+ if (prop_len >= sizeof(fdt32_t))
+ arg = fdt32_to_cpu(*(fdt32_t *)value);
+ else
+ arg = default_val;
+
+ ret = rockchip_pinconf_set(&ctrl->pin_banks[bank], pin,
+ param, arg);
+ if (ret) {
+ debug("%s: rockchip_pinconf_set fail: %d\n",
+ __func__, ret);
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
+const struct pinctrl_ops rockchip_pinctrl_ops = {
+ .set_state = rockchip_pinctrl_set_state,
+ .get_gpio_mux = rockchip_pinctrl_get_gpio_mux,
+};
+
+/* retrieve the soc specific data */
+static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(struct udevice *dev)
+{
+ struct rockchip_pinctrl_priv *priv = dev_get_priv(dev);
+ struct rockchip_pin_ctrl *ctrl =
+ (struct rockchip_pin_ctrl *)dev_get_driver_data(dev);
+ struct rockchip_pin_bank *bank;
+ int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j;
+
+ grf_offs = ctrl->grf_mux_offset;
+ pmu_offs = ctrl->pmu_mux_offset;
+ drv_pmu_offs = ctrl->pmu_drv_offset;
+ drv_grf_offs = ctrl->grf_drv_offset;
+ bank = ctrl->pin_banks;
+
+ for (i = 0; i < ctrl->nr_banks; ++i, ++bank) {
+ int bank_pins = 0;
+
+ bank->priv = priv;
+ bank->pin_base = ctrl->nr_pins;
+ ctrl->nr_pins += bank->nr_pins;
+
+ /* calculate iomux and drv offsets */
+ for (j = 0; j < 4; j++) {
+ struct rockchip_iomux *iom = &bank->iomux[j];
+ struct rockchip_drv *drv = &bank->drv[j];
+ int inc;
+
+ if (bank_pins >= bank->nr_pins)
+ break;
+
+ /* preset iomux offset value, set new start value */
+ if (iom->offset >= 0) {
+ if (iom->type & IOMUX_SOURCE_PMU)
+ pmu_offs = iom->offset;
+ else
+ grf_offs = iom->offset;
+ } else { /* set current iomux offset */
+ iom->offset = (iom->type & IOMUX_SOURCE_PMU) ?
+ pmu_offs : grf_offs;
+ }
+
+ /* preset drv offset value, set new start value */
+ if (drv->offset >= 0) {
+ if (iom->type & IOMUX_SOURCE_PMU)
+ drv_pmu_offs = drv->offset;
+ else
+ drv_grf_offs = drv->offset;
+ } else { /* set current drv offset */
+ drv->offset = (iom->type & IOMUX_SOURCE_PMU) ?
+ drv_pmu_offs : drv_grf_offs;
+ }
+
+ debug("bank %d, iomux %d has iom_offset 0x%x drv_offset 0x%x\n",
+ i, j, iom->offset, drv->offset);
+
+ /*
+ * Increase offset according to iomux width.
+ * 4bit iomux'es are spread over two registers.
+ */
+ inc = (iom->type & (IOMUX_WIDTH_4BIT |
+ IOMUX_WIDTH_3BIT)) ? 8 : 4;
+ if (iom->type & IOMUX_SOURCE_PMU)
+ pmu_offs += inc;
+ else
+ grf_offs += inc;
+
+ /*
+ * Increase offset according to drv width.
+ * 3bit drive-strenth'es are spread over two registers.
+ */
+ if ((drv->drv_type == DRV_TYPE_IO_1V8_3V0_AUTO) ||
+ (drv->drv_type == DRV_TYPE_IO_3V3_ONLY))
+ inc = 8;
+ else
+ inc = 4;
+
+ if (iom->type & IOMUX_SOURCE_PMU)
+ drv_pmu_offs += inc;
+ else
+ drv_grf_offs += inc;
+
+ bank_pins += 8;
+ }
+
+ /* calculate the per-bank recalced_mask */
+ for (j = 0; j < ctrl->niomux_recalced; j++) {
+ int pin = 0;
+
+ if (ctrl->iomux_recalced[j].num == bank->bank_num) {
+ pin = ctrl->iomux_recalced[j].pin;
+ bank->recalced_mask |= BIT(pin);
+ }
+ }
+
+ /* calculate the per-bank route_mask */
+ for (j = 0; j < ctrl->niomux_routes; j++) {
+ int pin = 0;
+
+ if (ctrl->iomux_routes[j].bank_num == bank->bank_num) {
+ pin = ctrl->iomux_routes[j].pin;
+ bank->route_mask |= BIT(pin);
+ }
+ }
+ }
+
+ return ctrl;
+}
+
+int rockchip_pinctrl_probe(struct udevice *dev)
+{
+ struct rockchip_pinctrl_priv *priv = dev_get_priv(dev);
+ struct rockchip_pin_ctrl *ctrl;
+ struct udevice *syscon;
+ struct regmap *regmap;
+ int ret = 0;
+
+ /* get rockchip grf syscon phandle */
+ ret = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, "rockchip,grf",
+ &syscon);
+ if (ret) {
+ debug("unable to find rockchip,grf syscon device (%d)\n", ret);
+ return ret;
+ }
+
+ /* get grf-reg base address */
+ regmap = syscon_get_regmap(syscon);
+ if (!regmap) {
+ debug("unable to find rockchip grf regmap\n");
+ return -ENODEV;
+ }
+ priv->regmap_base = regmap;
+
+ /* option: get pmu-reg base address */
+ ret = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, "rockchip,pmu",
+ &syscon);
+ if (!ret) {
+ /* get pmugrf-reg base address */
+ regmap = syscon_get_regmap(syscon);
+ if (!regmap) {
+ debug("unable to find rockchip pmu regmap\n");
+ return -ENODEV;
+ }
+ priv->regmap_pmu = regmap;
+ }
+
+ ctrl = rockchip_pinctrl_get_soc_data(dev);
+ if (!ctrl) {
+ debug("driver data not available\n");
+ return -EINVAL;
+ }
+
+ priv->ctrl = ctrl;
+ return 0;
+}
diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip.h b/drivers/pinctrl/rockchip/pinctrl-rockchip.h
new file mode 100644
index 0000000000..bc809630c1
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rockchip.h
@@ -0,0 +1,302 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __DRIVERS_PINCTRL_ROCKCHIP_H
+#define __DRIVERS_PINCTRL_ROCKCHIP_H
+
+#include <linux/types.h>
+
+enum rockchip_pinctrl_type {
+ RV1108,
+ RK3036,
+ RK3128,
+ RK3188,
+ RK3288,
+ RK3368,
+ RK3399,
+};
+
+/**
+ * Encode variants of iomux registers into a type variable
+ */
+#define IOMUX_GPIO_ONLY BIT(0)
+#define IOMUX_WIDTH_4BIT BIT(1)
+#define IOMUX_SOURCE_PMU BIT(2)
+#define IOMUX_UNROUTED BIT(3)
+#define IOMUX_WIDTH_3BIT BIT(4)
+
+/**
+ * Defined some common pins constants
+ */
+#define ROCKCHIP_PULL_BITS_PER_PIN 2
+#define ROCKCHIP_PULL_PINS_PER_REG 8
+#define ROCKCHIP_PULL_BANK_STRIDE 16
+#define ROCKCHIP_DRV_BITS_PER_PIN 2
+#define ROCKCHIP_DRV_PINS_PER_REG 8
+#define ROCKCHIP_DRV_BANK_STRIDE 16
+#define ROCKCHIP_DRV_3BITS_PER_PIN 3
+
+/**
+ * @type: iomux variant using IOMUX_* constants
+ * @offset: if initialized to -1 it will be autocalculated, by specifying
+ * an initial offset value the relevant source offset can be reset
+ * to a new value for autocalculating the following iomux registers.
+ */
+struct rockchip_iomux {
+ int type;
+ int offset;
+};
+
+/**
+ * enum type index corresponding to rockchip_perpin_drv_list arrays index.
+ */
+enum rockchip_pin_drv_type {
+ DRV_TYPE_IO_DEFAULT = 0,
+ DRV_TYPE_IO_1V8_OR_3V0,
+ DRV_TYPE_IO_1V8_ONLY,
+ DRV_TYPE_IO_1V8_3V0_AUTO,
+ DRV_TYPE_IO_3V3_ONLY,
+ DRV_TYPE_MAX
+};
+
+/**
+ * enum type index corresponding to rockchip_pull_list arrays index.
+ */
+enum rockchip_pin_pull_type {
+ PULL_TYPE_IO_DEFAULT = 0,
+ PULL_TYPE_IO_1V8_ONLY,
+ PULL_TYPE_MAX
+};
+
+/**
+ * @drv_type: drive strength variant using rockchip_perpin_drv_type
+ * @offset: if initialized to -1 it will be autocalculated, by specifying
+ * an initial offset value the relevant source offset can be reset
+ * to a new value for autocalculating the following drive strength
+ * registers. if used chips own cal_drv func instead to calculate
+ * registers offset, the variant could be ignored.
+ */
+struct rockchip_drv {
+ enum rockchip_pin_drv_type drv_type;
+ int offset;
+};
+
+/**
+ * @priv: common pinctrl private basedata
+ * @pin_base: first pin number
+ * @nr_pins: number of pins in this bank
+ * @name: name of the bank
+ * @bank_num: number of the bank, to account for holes
+ * @iomux: array describing the 4 iomux sources of the bank
+ * @drv: array describing the 4 drive strength sources of the bank
+ * @pull_type: array describing the 4 pull type sources of the bank
+ * @recalced_mask: bits describing the mux recalced pins of per bank
+ * @route_mask: bits describing the routing pins of per bank
+ */
+struct rockchip_pin_bank {
+ struct rockchip_pinctrl_priv *priv;
+ u32 pin_base;
+ u8 nr_pins;
+ char *name;
+ u8 bank_num;
+ struct rockchip_iomux iomux[4];
+ struct rockchip_drv drv[4];
+ enum rockchip_pin_pull_type pull_type[4];
+ u32 recalced_mask;
+ u32 route_mask;
+};
+
+#define PIN_BANK(id, pins, label) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ }, \
+ }
+
+#define PIN_BANK_IOMUX_FLAGS(id, pins, label, iom0, iom1, iom2, iom3) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .type = iom0, .offset = -1 }, \
+ { .type = iom1, .offset = -1 }, \
+ { .type = iom2, .offset = -1 }, \
+ { .type = iom3, .offset = -1 }, \
+ }, \
+ }
+
+#define PIN_BANK_DRV_FLAGS(id, pins, label, type0, type1, type2, type3) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ }, \
+ .drv = { \
+ { .drv_type = type0, .offset = -1 }, \
+ { .drv_type = type1, .offset = -1 }, \
+ { .drv_type = type2, .offset = -1 }, \
+ { .drv_type = type3, .offset = -1 }, \
+ }, \
+ }
+
+#define PIN_BANK_DRV_FLAGS_PULL_FLAGS(id, pins, label, drv0, drv1, \
+ drv2, drv3, pull0, pull1, \
+ pull2, pull3) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ { .offset = -1 }, \
+ }, \
+ .drv = { \
+ { .drv_type = drv0, .offset = -1 }, \
+ { .drv_type = drv1, .offset = -1 }, \
+ { .drv_type = drv2, .offset = -1 }, \
+ { .drv_type = drv3, .offset = -1 }, \
+ }, \
+ .pull_type[0] = pull0, \
+ .pull_type[1] = pull1, \
+ .pull_type[2] = pull2, \
+ .pull_type[3] = pull3, \
+ }
+
+#define PIN_BANK_IOMUX_DRV_FLAGS_OFFSET(id, pins, label, iom0, iom1, \
+ iom2, iom3, drv0, drv1, drv2, \
+ drv3, offset0, offset1, \
+ offset2, offset3) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .type = iom0, .offset = -1 }, \
+ { .type = iom1, .offset = -1 }, \
+ { .type = iom2, .offset = -1 }, \
+ { .type = iom3, .offset = -1 }, \
+ }, \
+ .drv = { \
+ { .drv_type = drv0, .offset = offset0 }, \
+ { .drv_type = drv1, .offset = offset1 }, \
+ { .drv_type = drv2, .offset = offset2 }, \
+ { .drv_type = drv3, .offset = offset3 }, \
+ }, \
+ }
+
+#define PIN_BANK_IOMUX_FLAGS_DRV_FLAGS_OFFSET_PULL_FLAGS(id, pins, \
+ label, iom0, iom1, iom2, \
+ iom3, drv0, drv1, drv2, \
+ drv3, offset0, offset1, \
+ offset2, offset3, pull0, \
+ pull1, pull2, pull3) \
+ { \
+ .bank_num = id, \
+ .nr_pins = pins, \
+ .name = label, \
+ .iomux = { \
+ { .type = iom0, .offset = -1 }, \
+ { .type = iom1, .offset = -1 }, \
+ { .type = iom2, .offset = -1 }, \
+ { .type = iom3, .offset = -1 }, \
+ }, \
+ .drv = { \
+ { .drv_type = drv0, .offset = offset0 }, \
+ { .drv_type = drv1, .offset = offset1 }, \
+ { .drv_type = drv2, .offset = offset2 }, \
+ { .drv_type = drv3, .offset = offset3 }, \
+ }, \
+ .pull_type[0] = pull0, \
+ .pull_type[1] = pull1, \
+ .pull_type[2] = pull2, \
+ .pull_type[3] = pull3, \
+ }
+
+/**
+ * struct rockchip_mux_recalced_data: recalculate a pin iomux data.
+ * @num: bank number.
+ * @pin: pin number.
+ * @reg: register offset.
+ * @bit: index at register.
+ * @mask: mask bit
+ */
+struct rockchip_mux_recalced_data {
+ u8 num;
+ u8 pin;
+ u32 reg;
+ u8 bit;
+ u8 mask;
+};
+
+/**
+ * struct rockchip_mux_route_data: route a pin iomux data.
+ * @bank_num: bank number.
+ * @pin: index at register or used to calc index.
+ * @func: the min pin.
+ * @route_offset: the max pin.
+ * @route_val: the register offset.
+ */
+struct rockchip_mux_route_data {
+ u8 bank_num;
+ u8 pin;
+ u8 func;
+ u32 route_offset;
+ u32 route_val;
+};
+
+/**
+ */
+struct rockchip_pin_ctrl {
+ struct rockchip_pin_bank *pin_banks;
+ u32 nr_banks;
+ u32 nr_pins;
+ char *label;
+ enum rockchip_pinctrl_type type;
+ int grf_mux_offset;
+ int pmu_mux_offset;
+ int grf_drv_offset;
+ int pmu_drv_offset;
+ struct rockchip_mux_recalced_data *iomux_recalced;
+ u32 niomux_recalced;
+ struct rockchip_mux_route_data *iomux_routes;
+ u32 niomux_routes;
+
+ void (*pull_calc_reg)(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit);
+ void (*drv_calc_reg)(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit);
+ int (*schmitt_calc_reg)(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit);
+};
+
+/**
+ */
+struct rockchip_pinctrl_priv {
+ struct rockchip_pin_ctrl *ctrl;
+ struct regmap *regmap_base;
+ struct regmap *regmap_pmu;
+};
+
+extern const struct pinctrl_ops rockchip_pinctrl_ops;
+int rockchip_pinctrl_probe(struct udevice *dev);
+
+#endif /* __DRIVERS_PINCTRL_ROCKCHIP_H */
diff --git a/drivers/pinctrl/rockchip/pinctrl-rv1108.c b/drivers/pinctrl/rockchip/pinctrl-rv1108.c
new file mode 100644
index 0000000000..f4a09a6824
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl-rv1108.c
@@ -0,0 +1,203 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#include "pinctrl-rockchip.h"
+
+static struct rockchip_mux_recalced_data rv1108_mux_recalced_data[] = {
+ {
+ .num = 1,
+ .pin = 0,
+ .reg = 0x418,
+ .bit = 0,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 1,
+ .reg = 0x418,
+ .bit = 2,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 2,
+ .reg = 0x418,
+ .bit = 4,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 3,
+ .reg = 0x418,
+ .bit = 6,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 4,
+ .reg = 0x418,
+ .bit = 8,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 5,
+ .reg = 0x418,
+ .bit = 10,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 6,
+ .reg = 0x418,
+ .bit = 12,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 7,
+ .reg = 0x418,
+ .bit = 14,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 8,
+ .reg = 0x41c,
+ .bit = 0,
+ .mask = 0x3
+ }, {
+ .num = 1,
+ .pin = 9,
+ .reg = 0x41c,
+ .bit = 2,
+ .mask = 0x3
+ },
+};
+
+#define RV1108_PULL_PMU_OFFSET 0x10
+#define RV1108_PULL_OFFSET 0x110
+
+static void rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 24 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RV1108_PULL_PMU_OFFSET;
+ } else {
+ *reg = RV1108_PULL_OFFSET;
+ *regmap = priv->regmap_base;
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_PULL_BANK_STRIDE;
+ }
+
+ *reg += ((pin_num / ROCKCHIP_PULL_PINS_PER_REG) * 4);
+ *bit = (pin_num % ROCKCHIP_PULL_PINS_PER_REG);
+ *bit *= ROCKCHIP_PULL_BITS_PER_PIN;
+}
+
+#define RV1108_DRV_PMU_OFFSET 0x20
+#define RV1108_DRV_GRF_OFFSET 0x210
+
+static void rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+
+ /* The first 24 pins of the first bank are located in PMU */
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RV1108_DRV_PMU_OFFSET;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RV1108_DRV_GRF_OFFSET;
+
+ /* correct the offset, as we're starting with the 2nd bank */
+ *reg -= 0x10;
+ *reg += bank->bank_num * ROCKCHIP_DRV_BANK_STRIDE;
+ }
+
+ *reg += ((pin_num / ROCKCHIP_DRV_PINS_PER_REG) * 4);
+ *bit = pin_num % ROCKCHIP_DRV_PINS_PER_REG;
+ *bit *= ROCKCHIP_DRV_BITS_PER_PIN;
+}
+
+#define RV1108_SCHMITT_PMU_OFFSET 0x30
+#define RV1108_SCHMITT_GRF_OFFSET 0x388
+#define RV1108_SCHMITT_BANK_STRIDE 8
+#define RV1108_SCHMITT_PINS_PER_GRF_REG 16
+#define RV1108_SCHMITT_PINS_PER_PMU_REG 8
+
+static int rv1108_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num,
+ struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl_priv *priv = bank->priv;
+ int pins_per_reg;
+
+ if (bank->bank_num == 0) {
+ *regmap = priv->regmap_pmu;
+ *reg = RV1108_SCHMITT_PMU_OFFSET;
+ pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG;
+ } else {
+ *regmap = priv->regmap_base;
+ *reg = RV1108_SCHMITT_GRF_OFFSET;
+ pins_per_reg = RV1108_SCHMITT_PINS_PER_GRF_REG;
+ *reg += (bank->bank_num - 1) * RV1108_SCHMITT_BANK_STRIDE;
+ }
+ *reg += ((pin_num / pins_per_reg) * 4);
+ *bit = pin_num % pins_per_reg;
+
+ return 0;
+}
+
+static struct rockchip_pin_bank rv1108_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU,
+ IOMUX_SOURCE_PMU),
+ PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", 0, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", 0, 0, 0, 0),
+ PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", 0, 0, 0, 0),
+};
+
+static struct rockchip_pin_ctrl rv1108_pin_ctrl = {
+ .pin_banks = rv1108_pin_banks,
+ .nr_banks = ARRAY_SIZE(rv1108_pin_banks),
+ .label = "RV1108-GPIO",
+ .type = RV1108,
+ .grf_mux_offset = 0x10,
+ .pmu_mux_offset = 0x0,
+ .iomux_recalced = rv1108_mux_recalced_data,
+ .niomux_recalced = ARRAY_SIZE(rv1108_mux_recalced_data),
+ .pull_calc_reg = rv1108_calc_pull_reg_and_bit,
+ .drv_calc_reg = rv1108_calc_drv_reg_and_bit,
+ .schmitt_calc_reg = rv1108_calc_schmitt_reg_and_bit,
+};
+
+static const struct udevice_id rv1108_pinctrl_ids[] = {
+ {
+ .compatible = "rockchip,rv1108-pinctrl",
+ .data = (ulong)&rv1108_pin_ctrl
+ },
+ { }
+};
+
+U_BOOT_DRIVER(pinctrl_rv1108) = {
+ .name = "pinctrl_rv1108",
+ .id = UCLASS_PINCTRL,
+ .of_match = rv1108_pinctrl_ids,
+ .priv_auto_alloc_size = sizeof(struct rockchip_pinctrl_priv),
+ .ops = &rockchip_pinctrl_ops,
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ .bind = dm_scan_fdt_dev,
+#endif
+ .probe = rockchip_pinctrl_probe,
+};
generated by cgit (git 2.34.1) at 2024-12-29 15:41:10 +0000