[U-Boot] [PATCH v2 6/9] pinctrl: rockchip: Add common rockchip pinctrl driver
Kever Yang
kever.yang at rock-chips.com
Tue Jan 22 09:15:12 UTC 2019
On 01/02/2019 09:00 PM, David Wu wrote:
> Use this driver to fit all Rockchip SOCs and to support
> the desired pinctrl configuration via DTS.
>
> Signed-off-by: David Wu <david.wu at rock-chips.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
>
> Changes in v2:
> - Remove px30, rk2928, rk3066*.
> - Split it to multiple files for the relevant per-SoC data structures.
>
> drivers/pinctrl/Kconfig | 91 +-
> drivers/pinctrl/Makefile | 2 +-
> drivers/pinctrl/rockchip/Kconfig | 17 +
> drivers/pinctrl/rockchip/Makefile | 19 +-
> drivers/pinctrl/rockchip/pinctrl-rk3036.c | 65 ++
> drivers/pinctrl/rockchip/pinctrl-rk3128.c | 155 ++++
> drivers/pinctrl/rockchip/pinctrl-rk3188.c | 82 ++
> drivers/pinctrl/rockchip/pinctrl-rk322x.c | 215 +++++
> drivers/pinctrl/rockchip/pinctrl-rk3288.c | 157 ++++
> drivers/pinctrl/rockchip/pinctrl-rk3328.c | 227 +++++
> drivers/pinctrl/rockchip/pinctrl-rk3368.c | 116 +++
> drivers/pinctrl/rockchip/pinctrl-rk3399.c | 193 +++++
> .../pinctrl/rockchip/pinctrl-rockchip-core.c | 788 ++++++++++++++++++
> drivers/pinctrl/rockchip/pinctrl-rockchip.h | 302 +++++++
> drivers/pinctrl/rockchip/pinctrl-rv1108.c | 203 +++++
> 15 files changed, 2532 insertions(+), 100 deletions(-)
> create mode 100644 drivers/pinctrl/rockchip/Kconfig
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3036.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3128.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3188.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk322x.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3288.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3328.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3368.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rk3399.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rockchip-core.c
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rockchip.h
> create mode 100644 drivers/pinctrl/rockchip/pinctrl-rv1108.c
>
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index 7e6fad305a..d2168f7b72 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_RV1108
> - bool "Rockchip rv1108 pin control driver"
> - depends on DM
> - help
> - Support pin multiplexing control on Rockchip rv1108 SoC.
> -
> - 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_SANDBOX
> bool "Sandbox pinctrl driver"
> depends on SANDBOX
> @@ -304,6 +214,7 @@ source "drivers/pinctrl/meson/Kconfig"
> source "drivers/pinctrl/mediatek/Kconfig"
> source "drivers/pinctrl/nxp/Kconfig"
> source "drivers/pinctrl/renesas/Kconfig"
> +source "drivers/pinctrl/rockchip/Kconfig"
> source "drivers/pinctrl/uniphier/Kconfig"
> source "drivers/pinctrl/exynos/Kconfig"
> source "drivers/pinctrl/mvebu/Kconfig"
> diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
> index 293bad3a95..8d7738ea11 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, ®, &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, ®, &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, ®map, ®, &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, ®map, ®, &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, ®map, ®, &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,
> +};
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