/* * (C) Copyright 2018 Rockchip Electronics Co., Ltd * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #define MAX_ROCKCHIP_GPIO_PER_BANK 32 #define RK_FUNC_GPIO 0 #define MAX_ROCKCHIP_PINS_ENTRIES 30 enum rockchip_pinctrl_type { PX30, RV1108, RK2928, RK3066B, RK3128, RK3188, RK3288, RK3308, 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) #define IOMUX_8WIDTH_2BIT BIT(5) #define IOMUX_WRITABLE_32BIT BIT(6) /** * @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: represent a pin iomux data. * @num: bank number. * @pin: pin number. * @bit: index at register. * @reg: register offset. * @mask: mask bit */ struct rockchip_mux_recalced_data { u8 num; u8 pin; u32 reg; u8 bit; u8 mask; }; /** * struct rockchip_mux_recalced_data: represent 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; }; 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 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 }, }; 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_recalced_data rk3308_mux_recalced_data[] = { { .num = 1, .pin = 14, .reg = 0x28, .bit = 12, .mask = 0x7 }, { .num = 1, .pin = 15, .reg = 0x2c, .bit = 0, .mask = 0x3 }, { .num = 1, .pin = 18, .reg = 0x30, .bit = 4, .mask = 0x7 }, { .num = 1, .pin = 19, .reg = 0x30, .bit = 8, .mask = 0x7 }, { .num = 1, .pin = 20, .reg = 0x30, .bit = 12, .mask = 0x7 }, { .num = 1, .pin = 21, .reg = 0x34, .bit = 0, .mask = 0x7 }, { .num = 1, .pin = 22, .reg = 0x34, .bit = 4, .mask = 0x7 }, { .num = 1, .pin = 23, .reg = 0x34, .bit = 8, .mask = 0x7 }, { .num = 3, .pin = 12, .reg = 0x68, .bit = 8, .mask = 0x7 }, { .num = 3, .pin = 13, .reg = 0x68, .bit = 12, .mask = 0x7 }, }; 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 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 struct rockchip_mux_route_data px30_mux_route_data[] = { { /* cif-d2m0 */ .bank_num = 2, .pin = 0, .func = 1, .route_offset = 0x184, .route_val = BIT(16 + 7), }, { /* cif-d2m1 */ .bank_num = 3, .pin = 3, .func = 3, .route_offset = 0x184, .route_val = BIT(16 + 7) | BIT(7), }, { /* pdm-m0 */ .bank_num = 3, .pin = 22, .func = 2, .route_offset = 0x184, .route_val = BIT(16 + 8), }, { /* pdm-m1 */ .bank_num = 2, .pin = 22, .func = 1, .route_offset = 0x184, .route_val = BIT(16 + 8) | BIT(8), }, { /* uart2-rxm0 */ .bank_num = 1, .pin = 27, .func = 2, .route_offset = 0x184, .route_val = BIT(16 + 10), }, { /* uart2-rxm1 */ .bank_num = 2, .pin = 14, .func = 2, .route_offset = 0x184, .route_val = BIT(16 + 10) | BIT(10), }, { /* uart3-rxm0 */ .bank_num = 0, .pin = 17, .func = 2, .route_offset = 0x184, .route_val = BIT(16 + 9), }, { /* uart3-rxm1 */ .bank_num = 1, .pin = 15, .func = 2, .route_offset = 0x184, .route_val = BIT(16 + 9) | BIT(9), }, }; 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), }, }; 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), }, }; 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), }, }; static struct rockchip_mux_route_data rk3308_mux_route_data[] = { { /* uart2_rxm0 */ .bank_num = 1, .pin = 22, .func = 2, .route_offset = 0x314, .route_val = BIT(16 + 2) | BIT(16 + 3), }, { /* uart2_rxm1 */ .bank_num = 4, .pin = 26, .func = 2, .route_offset = 0x314, .route_val = BIT(16 + 2) | BIT(16 + 3) | BIT(2), }, { /* i2c3_sdam0 */ .bank_num = 0, .pin = 23, .func = 2, .route_offset = 0x314, .route_val = BIT(16 + 4), }, { /* i2c3_sdam1 */ .bank_num = 3, .pin = 12, .func = 2, .route_offset = 0x314, .route_val = BIT(16 + 4) | BIT(4), }, }; 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), }, }; 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), }, }; 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(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; if (mux_type & IOMUX_WIDTH_4BIT) { if ((pin % 8) >= 4) reg += 0x4; bit = (pin % 4) * 4; mask = 0xf; } else if (mux_type & IOMUX_WIDTH_3BIT) { if ((pin % 8) >= 5) reg += 0x4; bit = (pin % 8 % 5) * 3; mask = 0x7; } else { bit = (pin % 8) * 2; mask = 0x3; } 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; if (mux_type & IOMUX_WIDTH_4BIT) { if ((pin % 8) >= 4) reg += 0x4; bit = (pin % 4) * 4; mask = 0xf; } else if (mux_type & IOMUX_WIDTH_3BIT) { if ((pin % 8) >= 5) reg += 0x4; bit = (pin % 8 % 5) * 3; mask = 0x7; } else { bit = (pin % 8) * 2; mask = 0x3; } 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; } } if (mux_type & IOMUX_WRITABLE_32BIT) { regmap_read(regmap, reg, &data); data &= ~(mask << bit); } else { data = (mask << (bit + 16)); } data |= (mux & mask) << bit; ret = regmap_write(regmap, reg, data); return ret; } #define PX30_PULL_PMU_OFFSET 0x10 #define PX30_PULL_GRF_OFFSET 0x60 #define PX30_PULL_BITS_PER_PIN 2 #define PX30_PULL_PINS_PER_REG 8 #define PX30_PULL_BANK_STRIDE 16 static void px30_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 = PX30_PULL_PMU_OFFSET; } else { *regmap = priv->regmap_base; *reg = PX30_PULL_GRF_OFFSET; /* correct the offset, as we're starting with the 2nd bank */ *reg -= 0x10; *reg += bank->bank_num * PX30_PULL_BANK_STRIDE; } *reg += ((pin_num / PX30_PULL_PINS_PER_REG) * 4); *bit = (pin_num % PX30_PULL_PINS_PER_REG); *bit *= PX30_PULL_BITS_PER_PIN; } #define PX30_DRV_PMU_OFFSET 0x20 #define PX30_DRV_GRF_OFFSET 0xf0 #define PX30_DRV_BITS_PER_PIN 2 #define PX30_DRV_PINS_PER_REG 8 #define PX30_DRV_BANK_STRIDE 16 static void px30_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 = PX30_DRV_PMU_OFFSET; } else { *regmap = priv->regmap_base; *reg = PX30_DRV_GRF_OFFSET; /* correct the offset, as we're starting with the 2nd bank */ *reg -= 0x10; *reg += bank->bank_num * PX30_DRV_BANK_STRIDE; } *reg += ((pin_num / PX30_DRV_PINS_PER_REG) * 4); *bit = (pin_num % PX30_DRV_PINS_PER_REG); *bit *= PX30_DRV_BITS_PER_PIN; } #define PX30_SCHMITT_PMU_OFFSET 0x38 #define PX30_SCHMITT_GRF_OFFSET 0xc0 #define PX30_SCHMITT_PINS_PER_PMU_REG 16 #define PX30_SCHMITT_BANK_STRIDE 16 #define PX30_SCHMITT_PINS_PER_GRF_REG 8 static int px30_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 = PX30_SCHMITT_PMU_OFFSET; pins_per_reg = PX30_SCHMITT_PINS_PER_PMU_REG; } else { *regmap = priv->regmap_base; *reg = PX30_SCHMITT_GRF_OFFSET; pins_per_reg = PX30_SCHMITT_PINS_PER_GRF_REG; *reg += (bank->bank_num - 1) * PX30_SCHMITT_BANK_STRIDE; } *reg += ((pin_num / pins_per_reg) * 4); *bit = pin_num % pins_per_reg; return 0; } #define RV1108_PULL_PMU_OFFSET 0x10 #define RV1108_PULL_OFFSET 0x110 #define RV1108_PULL_PINS_PER_REG 8 #define RV1108_PULL_BITS_PER_PIN 2 #define RV1108_PULL_BANK_STRIDE 16 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 * RV1108_PULL_BANK_STRIDE; } *reg += ((pin_num / RV1108_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RV1108_PULL_PINS_PER_REG); *bit *= RV1108_PULL_BITS_PER_PIN; } #define RV1108_DRV_PMU_OFFSET 0x20 #define RV1108_DRV_GRF_OFFSET 0x210 #define RV1108_DRV_BITS_PER_PIN 2 #define RV1108_DRV_PINS_PER_REG 8 #define RV1108_DRV_BANK_STRIDE 16 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 * RV1108_DRV_BANK_STRIDE; } *reg += ((pin_num / RV1108_DRV_PINS_PER_REG) * 4); *bit = pin_num % RV1108_DRV_PINS_PER_REG; *bit *= RV1108_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; } #define RK2928_PULL_OFFSET 0x118 #define RK2928_PULL_PINS_PER_REG 16 #define RK2928_PULL_BANK_STRIDE 8 static void rk2928_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 = RK2928_PULL_OFFSET; *reg += bank->bank_num * RK2928_PULL_BANK_STRIDE; *reg += (pin_num / RK2928_PULL_PINS_PER_REG) * 4; *bit = pin_num % RK2928_PULL_PINS_PER_REG; }; #define RK3128_PULL_OFFSET 0x118 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 * RK2928_PULL_BANK_STRIDE; *reg += ((pin_num / RK2928_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK2928_PULL_PINS_PER_REG; } #define RK3188_PULL_OFFSET 0x164 #define RK3188_PULL_BITS_PER_PIN 2 #define RK3188_PULL_PINS_PER_REG 8 #define RK3188_PULL_BANK_STRIDE 16 #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 / RK3188_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK3188_PULL_PINS_PER_REG; *bit *= RK3188_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 * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_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 % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } } #define RK3288_PULL_OFFSET 0x140 static void rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl_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 = RK3188_PULL_PMU_OFFSET; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK3188_PULL_PINS_PER_REG; *bit *= RK3188_PULL_BITS_PER_PIN; } else { *regmap = priv->regmap_base; *reg = RK3288_PULL_OFFSET; /* correct the offset, as we're starting with the 2nd bank */ *reg -= 0x10; *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } } #define RK3288_DRV_PMU_OFFSET 0x70 #define RK3288_DRV_GRF_OFFSET 0x1c0 #define RK3288_DRV_BITS_PER_PIN 2 #define RK3288_DRV_PINS_PER_REG 8 #define RK3288_DRV_BANK_STRIDE 16 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 / RK3288_DRV_PINS_PER_REG) * 4); *bit = pin_num % RK3288_DRV_PINS_PER_REG; *bit *= RK3288_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 * RK3288_DRV_BANK_STRIDE; *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); *bit = (pin_num % RK3288_DRV_PINS_PER_REG); *bit *= RK3288_DRV_BITS_PER_PIN; } } #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 * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } #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 * RK3288_DRV_BANK_STRIDE; *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); *bit = (pin_num % RK3288_DRV_PINS_PER_REG); *bit *= RK3288_DRV_BITS_PER_PIN; } #define RK3308_PULL_OFFSET 0xa0 static void rk3308_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 = RK3308_PULL_OFFSET; *reg += bank->bank_num * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } #define RK3308_DRV_GRF_OFFSET 0x100 static void rk3308_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 = RK3308_DRV_GRF_OFFSET; *reg += bank->bank_num * RK3288_DRV_BANK_STRIDE; *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); *bit = (pin_num % RK3288_DRV_PINS_PER_REG); *bit *= RK3288_DRV_BITS_PER_PIN; } #define RK3308_SCHMITT_PINS_PER_REG 8 #define RK3308_SCHMITT_BANK_STRIDE 16 #define RK3308_SCHMITT_GRF_OFFSET 0x1a0 static int rk3308_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 = RK3308_SCHMITT_GRF_OFFSET; *reg += bank->bank_num * RK3308_SCHMITT_BANK_STRIDE; *reg += ((pin_num / RK3308_SCHMITT_PINS_PER_REG) * 4); *bit = pin_num % RK3308_SCHMITT_PINS_PER_REG; return 0; } #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 / RK3188_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK3188_PULL_PINS_PER_REG; *bit *= RK3188_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 * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } } #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 / RK3288_DRV_PINS_PER_REG) * 4); *bit = pin_num % RK3288_DRV_PINS_PER_REG; *bit *= RK3288_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 * RK3288_DRV_BANK_STRIDE; *reg += ((pin_num / RK3288_DRV_PINS_PER_REG) * 4); *bit = (pin_num % RK3288_DRV_PINS_PER_REG); *bit *= RK3288_DRV_BITS_PER_PIN; } } #define RK3399_PULL_GRF_OFFSET 0xe040 #define RK3399_PULL_PMU_OFFSET 0x40 #define RK3399_DRV_3BITS_PER_PIN 3 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 * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK3188_PULL_PINS_PER_REG; *bit *= RK3188_PULL_BITS_PER_PIN; } 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 * RK3188_PULL_BANK_STRIDE; *reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3188_PULL_PINS_PER_REG); *bit *= RK3188_PULL_BITS_PER_PIN; } } static 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 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 = RK3399_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 = RK3288_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); /* rk3066b does support any pulls */ if (ctrl->type == RK3066B) return pull ? -EINVAL : 0; ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); switch (ctrl->type) { case RK2928: case RK3128: data = BIT(bit + 16); if (pull == PIN_CONFIG_BIAS_DISABLE) data |= BIT(bit); ret = regmap_write(regmap, reg, data); break; case PX30: case RV1108: case RK3188: case RK3288: case RK3308: 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 << RK3188_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; } #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 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 RK2928: case RK3128: return (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT || pull == PIN_CONFIG_BIAS_DISABLE); case RK3066B: return pull ? false : true; case PX30: case RV1108: case RK3188: case RK3288: case RK3308: 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; } static 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 | IOMUX_8WIDTH_2BIT)) ? 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; } static 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; } static struct rockchip_pin_bank px30_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", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT ), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT ), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT ), }; static struct rockchip_pin_ctrl px30_pin_ctrl = { .pin_banks = px30_pin_banks, .nr_banks = ARRAY_SIZE(px30_pin_banks), .label = "PX30-GPIO", .type = PX30, .grf_mux_offset = 0x0, .pmu_mux_offset = 0x0, .iomux_routes = px30_mux_route_data, .niomux_routes = ARRAY_SIZE(px30_mux_route_data), .pull_calc_reg = px30_calc_pull_reg_and_bit, .drv_calc_reg = px30_calc_drv_reg_and_bit, .schmitt_calc_reg = px30_calc_schmitt_reg_and_bit, }; 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 struct rockchip_pin_bank rk2928_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 rk2928_pin_ctrl = { .pin_banks = rk2928_pin_banks, .nr_banks = ARRAY_SIZE(rk2928_pin_banks), .label = "RK2928-GPIO", .type = RK2928, .grf_mux_offset = 0xa8, .pull_calc_reg = rk2928_calc_pull_reg_and_bit, }; 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 = RK2928, .grf_mux_offset = 0xa8, .pull_calc_reg = rk2928_calc_pull_reg_and_bit, }; static struct rockchip_pin_bank rk3066a_pin_banks[] = { PIN_BANK(0, 32, "gpio0"), PIN_BANK(1, 32, "gpio1"), PIN_BANK(2, 32, "gpio2"), PIN_BANK(3, 32, "gpio3"), PIN_BANK(4, 32, "gpio4"), PIN_BANK(6, 16, "gpio6"), }; static struct rockchip_pin_ctrl rk3066a_pin_ctrl = { .pin_banks = rk3066a_pin_banks, .nr_banks = ARRAY_SIZE(rk3066a_pin_banks), .label = "RK3066a-GPIO", .type = RK2928, .grf_mux_offset = 0xa8, .pull_calc_reg = rk2928_calc_pull_reg_and_bit, }; static struct rockchip_pin_bank rk3066b_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 rk3066b_pin_ctrl = { .pin_banks = rk3066b_pin_banks, .nr_banks = ARRAY_SIZE(rk3066b_pin_banks), .label = "RK3066b-GPIO", .type = RK3066B, .grf_mux_offset = 0x60, }; 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 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 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 struct rockchip_pin_bank rk3288_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 24, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WRITABLE_32BIT, IOMUX_SOURCE_PMU | IOMUX_WRITABLE_32BIT, IOMUX_SOURCE_PMU | IOMUX_WRITABLE_32BIT, 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 struct rockchip_pin_bank rk3308_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT, IOMUX_8WIDTH_2BIT), }; static struct rockchip_pin_ctrl rk3308_pin_ctrl = { .pin_banks = rk3308_pin_banks, .nr_banks = ARRAY_SIZE(rk3308_pin_banks), .label = "RK3308-GPIO", .type = RK3308, .grf_mux_offset = 0x0, .iomux_recalced = rk3308_mux_recalced_data, .niomux_recalced = ARRAY_SIZE(rk3308_mux_recalced_data), .iomux_routes = rk3308_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3308_mux_route_data), .pull_calc_reg = rk3308_calc_pull_reg_and_bit, .drv_calc_reg = rk3308_calc_drv_reg_and_bit, .schmitt_calc_reg = rk3308_calc_schmitt_reg_and_bit, }; 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 = rk3228_calc_pull_reg_and_bit, .drv_calc_reg = rk3228_calc_drv_reg_and_bit, .schmitt_calc_reg = rk3328_calc_schmitt_reg_and_bit, }; 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 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 rockchip_pinctrl_dt_match[] = { { .compatible = "rockchip,px30-pinctrl", .data = (ulong)&px30_pin_ctrl }, { .compatible = "rockchip,rv1108-pinctrl", .data = (ulong)&rv1108_pin_ctrl }, { .compatible = "rockchip,rk2928-pinctrl", .data = (ulong)&rk2928_pin_ctrl }, { .compatible = "rockchip,rk3036-pinctrl", .data = (ulong)&rk3036_pin_ctrl }, { .compatible = "rockchip,rk3066a-pinctrl", .data = (ulong)&rk3066a_pin_ctrl }, { .compatible = "rockchip,rk3066b-pinctrl", .data = (ulong)&rk3066b_pin_ctrl }, { .compatible = "rockchip,rk3128-pinctrl", .data = (ulong)&rk3128_pin_ctrl }, { .compatible = "rockchip,rk3188-pinctrl", .data = (ulong)&rk3188_pin_ctrl }, { .compatible = "rockchip,rk3228-pinctrl", .data = (ulong)&rk3228_pin_ctrl }, { .compatible = "rockchip,rk3288-pinctrl", .data = (ulong)&rk3288_pin_ctrl }, { .compatible = "rockchip,rk3308-pinctrl", .data = (ulong)&rk3308_pin_ctrl }, { .compatible = "rockchip,rk3328-pinctrl", .data = (ulong)&rk3328_pin_ctrl }, { .compatible = "rockchip,rk3368-pinctrl", .data = (ulong)&rk3368_pin_ctrl }, { .compatible = "rockchip,rk3399-pinctrl", .data = (ulong)&rk3399_pin_ctrl }, {}, }; U_BOOT_DRIVER(pinctrl_rockchip) = { .name = "rockchip_pinctrl", .id = UCLASS_PINCTRL, .of_match = rockchip_pinctrl_dt_match, .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, };