// SPDX-License-Identifier: GPL-2.0-only /* * Pinctrl driver for Rockchip SoCs * * Copyright (c) 2013 MundoReader S.L. * Author: Heiko Stuebner * * With some ideas taken from pinctrl-samsung: * Copyright (c) 2012 Samsung Electronics Co., Ltd. * http://www.samsung.com * Copyright (c) 2012 Linaro Ltd * https://www.linaro.org * * and pinctrl-at91: * Copyright (C) 2011-2012 Jean-Christophe PLAGNIOL-VILLARD */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "core.h" #include "pinconf.h" #include "pinctrl-rockchip.h" /** * Generate a bitmask for setting a value (v) with a write mask bit in hiword * register 31:16 area. */ #define WRITE_MASK_VAL(h, l, v) \ (GENMASK(((h) + 16), ((l) + 16)) | (((v) << (l)) & GENMASK((h), (l)))) /* * 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_WIDTH_2BIT BIT(5) #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, \ } #define PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, FLAG) \ { \ .bank_num = ID, \ .pin = PIN, \ .func = FUNC, \ .route_offset = REG, \ .route_val = VAL, \ .route_location = FLAG, \ } #define RK_MUXROUTE_SAME(ID, PIN, FUNC, REG, VAL) \ PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_SAME) #define RK_MUXROUTE_GRF(ID, PIN, FUNC, REG, VAL) \ PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_GRF) #define RK_MUXROUTE_PMU(ID, PIN, FUNC, REG, VAL) \ PIN_BANK_MUX_ROUTE_FLAGS(ID, PIN, FUNC, REG, VAL, ROCKCHIP_ROUTE_PMU) static struct regmap_config rockchip_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, }; static inline const struct rockchip_pin_group *pinctrl_name_to_group( const struct rockchip_pinctrl *info, const char *name) { int i; for (i = 0; i < info->ngroups; i++) { if (!strcmp(info->groups[i].name, name)) return &info->groups[i]; } return NULL; } /* * given a pin number that is local to a pin controller, find out the pin bank * and the register base of the pin bank. */ static struct rockchip_pin_bank *pin_to_bank(struct rockchip_pinctrl *info, unsigned pin) { struct rockchip_pin_bank *b = info->ctrl->pin_banks; while (pin >= (b->pin_base + b->nr_pins)) b++; return b; } static struct rockchip_pin_bank *bank_num_to_bank( struct rockchip_pinctrl *info, unsigned num) { struct rockchip_pin_bank *b = info->ctrl->pin_banks; int i; for (i = 0; i < info->ctrl->nr_banks; i++, b++) { if (b->bank_num == num) return b; } return ERR_PTR(-EINVAL); } /* * Pinctrl_ops handling */ static int rockchip_get_groups_count(struct pinctrl_dev *pctldev) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); return info->ngroups; } static const char *rockchip_get_group_name(struct pinctrl_dev *pctldev, unsigned selector) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); return info->groups[selector].name; } static int rockchip_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector, const unsigned **pins, unsigned *npins) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); if (selector >= info->ngroups) return -EINVAL; *pins = info->groups[selector].pins; *npins = info->groups[selector].npins; return 0; } static int rockchip_dt_node_to_map(struct pinctrl_dev *pctldev, struct device_node *np, struct pinctrl_map **map, unsigned *num_maps) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const struct rockchip_pin_group *grp; struct device *dev = info->dev; struct pinctrl_map *new_map; struct device_node *parent; int map_num = 1; int i; /* * first find the group of this node and check if we need to create * config maps for pins */ grp = pinctrl_name_to_group(info, np->name); if (!grp) { dev_err(dev, "unable to find group for node %pOFn\n", np); return -EINVAL; } map_num += grp->npins; new_map = kcalloc(map_num, sizeof(*new_map), GFP_KERNEL); if (!new_map) return -ENOMEM; *map = new_map; *num_maps = map_num; /* create mux map */ parent = of_get_parent(np); if (!parent) { kfree(new_map); return -EINVAL; } new_map[0].type = PIN_MAP_TYPE_MUX_GROUP; new_map[0].data.mux.function = parent->name; new_map[0].data.mux.group = np->name; of_node_put(parent); /* create config map */ new_map++; for (i = 0; i < grp->npins; i++) { new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN; new_map[i].data.configs.group_or_pin = pin_get_name(pctldev, grp->pins[i]); new_map[i].data.configs.configs = grp->data[i].configs; new_map[i].data.configs.num_configs = grp->data[i].nconfigs; } dev_dbg(dev, "maps: function %s group %s num %d\n", (*map)->data.mux.function, (*map)->data.mux.group, map_num); return 0; } static void rockchip_dt_free_map(struct pinctrl_dev *pctldev, struct pinctrl_map *map, unsigned num_maps) { kfree(map); } static const struct pinctrl_ops rockchip_pctrl_ops = { .get_groups_count = rockchip_get_groups_count, .get_group_name = rockchip_get_group_name, .get_group_pins = rockchip_get_group_pins, .dt_node_to_map = rockchip_dt_node_to_map, .dt_free_map = rockchip_dt_free_map, }; /* * Hardware access */ 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[] = { { /* gpio1b6_sel */ .num = 1, .pin = 14, .reg = 0x28, .bit = 12, .mask = 0xf }, { /* gpio1b7_sel */ .num = 1, .pin = 15, .reg = 0x2c, .bit = 0, .mask = 0x3 }, { /* gpio1c2_sel */ .num = 1, .pin = 18, .reg = 0x30, .bit = 4, .mask = 0xf }, { /* gpio1c3_sel */ .num = 1, .pin = 19, .reg = 0x30, .bit = 8, .mask = 0xf }, { /* gpio1c4_sel */ .num = 1, .pin = 20, .reg = 0x30, .bit = 12, .mask = 0xf }, { /* gpio1c5_sel */ .num = 1, .pin = 21, .reg = 0x34, .bit = 0, .mask = 0xf }, { /* gpio1c6_sel */ .num = 1, .pin = 22, .reg = 0x34, .bit = 4, .mask = 0xf }, { /* gpio1c7_sel */ .num = 1, .pin = 23, .reg = 0x34, .bit = 8, .mask = 0xf }, { /* gpio3b4_sel */ .num = 3, .pin = 12, .reg = 0x68, .bit = 8, .mask = 0xf }, { /* gpio3b5_sel */ .num = 3, .pin = 13, .reg = 0x68, .bit = 12, .mask = 0xf }, { /* gpio2a2_sel */ .num = 2, .pin = 2, .reg = 0x40, .bit = 4, .mask = 0x3 }, { /* gpio2a3_sel */ .num = 2, .pin = 3, .reg = 0x40, .bit = 6, .mask = 0x3 }, { /* gpio2c0_sel */ .num = 2, .pin = 16, .reg = 0x50, .bit = 0, .mask = 0x3 }, { /* gpio3b2_sel */ .num = 3, .pin = 10, .reg = 0x68, .bit = 4, .mask = 0x3 }, { /* gpio3b3_sel */ .num = 3, .pin = 11, .reg = 0x68, .bit = 6, .mask = 0x3 }, }; static struct rockchip_mux_recalced_data rk3328_mux_recalced_data[] = { { /* gpio2_b7_sel */ .num = 2, .pin = 15, .reg = 0x28, .bit = 0, .mask = 0x7 }, { /* gpio2_c7_sel */ .num = 2, .pin = 23, .reg = 0x30, .bit = 14, .mask = 0x3 }, { /* gpio3_b1_sel */ .num = 3, .pin = 9, .reg = 0x44, .bit = 2, .mask = 0x3 }, { /* gpio3_b2_sel */ .num = 3, .pin = 10, .reg = 0x44, .bit = 4, .mask = 0x3 }, { /* gpio3_b3_sel */ .num = 3, .pin = 11, .reg = 0x44, .bit = 6, .mask = 0x3 }, { /* gpio3_b4_sel */ .num = 3, .pin = 12, .reg = 0x44, .bit = 8, .mask = 0x3 }, { /* gpio3_b5_sel */ .num = 3, .pin = 13, .reg = 0x44, .bit = 10, .mask = 0x3 }, { /* gpio3_b6_sel */ .num = 3, .pin = 14, .reg = 0x44, .bit = 12, .mask = 0x3 }, { /* gpio3_b7_sel */ .num = 3, .pin = 15, .reg = 0x44, .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 *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->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[] = { RK_MUXROUTE_SAME(2, RK_PB4, 1, 0x184, BIT(16 + 7)), /* cif-d0m0 */ RK_MUXROUTE_SAME(3, RK_PA1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d0m1 */ RK_MUXROUTE_SAME(2, RK_PB6, 1, 0x184, BIT(16 + 7)), /* cif-d1m0 */ RK_MUXROUTE_SAME(3, RK_PA2, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d1m1 */ RK_MUXROUTE_SAME(2, RK_PA0, 1, 0x184, BIT(16 + 7)), /* cif-d2m0 */ RK_MUXROUTE_SAME(3, RK_PA3, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d2m1 */ RK_MUXROUTE_SAME(2, RK_PA1, 1, 0x184, BIT(16 + 7)), /* cif-d3m0 */ RK_MUXROUTE_SAME(3, RK_PA5, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d3m1 */ RK_MUXROUTE_SAME(2, RK_PA2, 1, 0x184, BIT(16 + 7)), /* cif-d4m0 */ RK_MUXROUTE_SAME(3, RK_PA7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d4m1 */ RK_MUXROUTE_SAME(2, RK_PA3, 1, 0x184, BIT(16 + 7)), /* cif-d5m0 */ RK_MUXROUTE_SAME(3, RK_PB0, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d5m1 */ RK_MUXROUTE_SAME(2, RK_PA4, 1, 0x184, BIT(16 + 7)), /* cif-d6m0 */ RK_MUXROUTE_SAME(3, RK_PB1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d6m1 */ RK_MUXROUTE_SAME(2, RK_PA5, 1, 0x184, BIT(16 + 7)), /* cif-d7m0 */ RK_MUXROUTE_SAME(3, RK_PB4, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d7m1 */ RK_MUXROUTE_SAME(2, RK_PA6, 1, 0x184, BIT(16 + 7)), /* cif-d8m0 */ RK_MUXROUTE_SAME(3, RK_PB6, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d8m1 */ RK_MUXROUTE_SAME(2, RK_PA7, 1, 0x184, BIT(16 + 7)), /* cif-d9m0 */ RK_MUXROUTE_SAME(3, RK_PB7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d9m1 */ RK_MUXROUTE_SAME(2, RK_PB7, 1, 0x184, BIT(16 + 7)), /* cif-d10m0 */ RK_MUXROUTE_SAME(3, RK_PC6, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d10m1 */ RK_MUXROUTE_SAME(2, RK_PC0, 1, 0x184, BIT(16 + 7)), /* cif-d11m0 */ RK_MUXROUTE_SAME(3, RK_PC7, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-d11m1 */ RK_MUXROUTE_SAME(2, RK_PB0, 1, 0x184, BIT(16 + 7)), /* cif-vsyncm0 */ RK_MUXROUTE_SAME(3, RK_PD1, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-vsyncm1 */ RK_MUXROUTE_SAME(2, RK_PB1, 1, 0x184, BIT(16 + 7)), /* cif-hrefm0 */ RK_MUXROUTE_SAME(3, RK_PD2, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-hrefm1 */ RK_MUXROUTE_SAME(2, RK_PB2, 1, 0x184, BIT(16 + 7)), /* cif-clkinm0 */ RK_MUXROUTE_SAME(3, RK_PD3, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-clkinm1 */ RK_MUXROUTE_SAME(2, RK_PB3, 1, 0x184, BIT(16 + 7)), /* cif-clkoutm0 */ RK_MUXROUTE_SAME(3, RK_PD0, 3, 0x184, BIT(16 + 7) | BIT(7)), /* cif-clkoutm1 */ RK_MUXROUTE_SAME(3, RK_PC6, 2, 0x184, BIT(16 + 8)), /* pdm-m0 */ RK_MUXROUTE_SAME(2, RK_PC6, 1, 0x184, BIT(16 + 8) | BIT(8)), /* pdm-m1 */ RK_MUXROUTE_SAME(3, RK_PD3, 2, 0x184, BIT(16 + 8)), /* pdm-sdi0m0 */ RK_MUXROUTE_SAME(2, RK_PC5, 2, 0x184, BIT(16 + 8) | BIT(8)), /* pdm-sdi0m1 */ RK_MUXROUTE_SAME(1, RK_PD3, 2, 0x184, BIT(16 + 10)), /* uart2-rxm0 */ RK_MUXROUTE_SAME(2, RK_PB6, 2, 0x184, BIT(16 + 10) | BIT(10)), /* uart2-rxm1 */ RK_MUXROUTE_SAME(1, RK_PD2, 2, 0x184, BIT(16 + 10)), /* uart2-txm0 */ RK_MUXROUTE_SAME(2, RK_PB4, 2, 0x184, BIT(16 + 10) | BIT(10)), /* uart2-txm1 */ RK_MUXROUTE_SAME(0, RK_PC1, 2, 0x184, BIT(16 + 9)), /* uart3-rxm0 */ RK_MUXROUTE_SAME(1, RK_PB7, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rxm1 */ RK_MUXROUTE_SAME(0, RK_PC0, 2, 0x184, BIT(16 + 9)), /* uart3-txm0 */ RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-txm1 */ RK_MUXROUTE_SAME(0, RK_PC2, 2, 0x184, BIT(16 + 9)), /* uart3-ctsm0 */ RK_MUXROUTE_SAME(1, RK_PB4, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-ctsm1 */ RK_MUXROUTE_SAME(0, RK_PC3, 2, 0x184, BIT(16 + 9)), /* uart3-rtsm0 */ RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x184, BIT(16 + 9) | BIT(9)), /* uart3-rtsm1 */ }; static struct rockchip_mux_route_data rk3128_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x144, BIT(16 + 3) | BIT(16 + 4)), /* spi-0 */ RK_MUXROUTE_SAME(1, RK_PD3, 3, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(3)), /* spi-1 */ RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x144, BIT(16 + 3) | BIT(16 + 4) | BIT(4)), /* spi-2 */ RK_MUXROUTE_SAME(1, RK_PA5, 1, 0x144, BIT(16 + 5)), /* i2s-0 */ RK_MUXROUTE_SAME(0, RK_PB6, 1, 0x144, BIT(16 + 5) | BIT(5)), /* i2s-1 */ RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x144, BIT(16 + 6)), /* emmc-0 */ RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x144, BIT(16 + 6) | BIT(6)), /* emmc-1 */ }; static struct rockchip_mux_route_data rk3188_mux_route_data[] = { RK_MUXROUTE_SAME(0, RK_PD0, 1, 0xa0, BIT(16 + 11)), /* non-iomuxed emmc/flash pins on flash-dqs */ RK_MUXROUTE_SAME(0, RK_PD0, 2, 0xa0, BIT(16 + 11) | BIT(11)), /* non-iomuxed emmc/flash pins on emmc-clk */ }; static struct rockchip_mux_route_data rk3228_mux_route_data[] = { RK_MUXROUTE_SAME(0, RK_PD2, 1, 0x50, BIT(16)), /* pwm0-0 */ RK_MUXROUTE_SAME(3, RK_PC5, 1, 0x50, BIT(16) | BIT(0)), /* pwm0-1 */ RK_MUXROUTE_SAME(0, RK_PD3, 1, 0x50, BIT(16 + 1)), /* pwm1-0 */ RK_MUXROUTE_SAME(0, RK_PD6, 2, 0x50, BIT(16 + 1) | BIT(1)), /* pwm1-1 */ RK_MUXROUTE_SAME(0, RK_PD4, 1, 0x50, BIT(16 + 2)), /* pwm2-0 */ RK_MUXROUTE_SAME(1, RK_PB4, 2, 0x50, BIT(16 + 2) | BIT(2)), /* pwm2-1 */ RK_MUXROUTE_SAME(3, RK_PD2, 1, 0x50, BIT(16 + 3)), /* pwm3-0 */ RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 3) | BIT(3)), /* pwm3-1 */ RK_MUXROUTE_SAME(1, RK_PA1, 1, 0x50, BIT(16 + 4)), /* sdio-0_d0 */ RK_MUXROUTE_SAME(3, RK_PA2, 1, 0x50, BIT(16 + 4) | BIT(4)), /* sdio-1_d0 */ RK_MUXROUTE_SAME(0, RK_PB5, 2, 0x50, BIT(16 + 5)), /* spi-0_rx */ RK_MUXROUTE_SAME(2, RK_PA0, 2, 0x50, BIT(16 + 5) | BIT(5)), /* spi-1_rx */ RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x50, BIT(16 + 7)), /* emmc-0_cmd */ RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x50, BIT(16 + 7) | BIT(7)), /* emmc-1_cmd */ RK_MUXROUTE_SAME(1, RK_PC3, 2, 0x50, BIT(16 + 8)), /* uart2-0_rx */ RK_MUXROUTE_SAME(1, RK_PB2, 2, 0x50, BIT(16 + 8) | BIT(8)), /* uart2-1_rx */ RK_MUXROUTE_SAME(1, RK_PB2, 1, 0x50, BIT(16 + 11)), /* uart1-0_rx */ RK_MUXROUTE_SAME(3, RK_PB5, 1, 0x50, BIT(16 + 11) | BIT(11)), /* uart1-1_rx */ }; static struct rockchip_mux_route_data rk3288_mux_route_data[] = { RK_MUXROUTE_SAME(7, RK_PC0, 2, 0x264, BIT(16 + 12) | BIT(12)), /* edphdmi_cecinoutt1 */ RK_MUXROUTE_SAME(7, RK_PC7, 4, 0x264, BIT(16 + 12)), /* edphdmi_cecinout */ }; static struct rockchip_mux_route_data rk3308_mux_route_data[] = { RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */ RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */ RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */ RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x314, BIT(16 + 4)), /* i2c3_sdam0 */ RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x314, BIT(16 + 4) | BIT(4)), /* i2c3_sdam1 */ RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */ RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */ RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */ RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclkrxm1 */ RK_MUXROUTE_SAME(1, RK_PA4, 3, 0x308, BIT(16 + 12) | BIT(16 + 13)), /* pdm-clkm0 */ RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */ RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */ RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */ }; static struct rockchip_mux_route_data rk3328_mux_route_data[] = { RK_MUXROUTE_SAME(1, RK_PA1, 2, 0x50, BIT(16) | BIT(16 + 1)), /* uart2dbg_rxm0 */ RK_MUXROUTE_SAME(2, RK_PA1, 1, 0x50, BIT(16) | BIT(16 + 1) | BIT(0)), /* uart2dbg_rxm1 */ RK_MUXROUTE_SAME(1, RK_PB3, 2, 0x50, BIT(16 + 2) | BIT(2)), /* gmac-m1_rxd0 */ RK_MUXROUTE_SAME(1, RK_PB6, 2, 0x50, BIT(16 + 10) | BIT(10)), /* gmac-m1-optimized_rxd3 */ RK_MUXROUTE_SAME(2, RK_PC3, 2, 0x50, BIT(16 + 3)), /* pdm_sdi0m0 */ RK_MUXROUTE_SAME(1, RK_PC7, 3, 0x50, BIT(16 + 3) | BIT(3)), /* pdm_sdi0m1 */ RK_MUXROUTE_SAME(3, RK_PA2, 4, 0x50, BIT(16 + 4) | BIT(16 + 5) | BIT(5)), /* spi_rxdm2 */ RK_MUXROUTE_SAME(1, RK_PD0, 1, 0x50, BIT(16 + 6)), /* i2s2_sdim0 */ RK_MUXROUTE_SAME(3, RK_PA2, 6, 0x50, BIT(16 + 6) | BIT(6)), /* i2s2_sdim1 */ RK_MUXROUTE_SAME(2, RK_PC6, 3, 0x50, BIT(16 + 7) | BIT(7)), /* card_iom1 */ RK_MUXROUTE_SAME(2, RK_PC0, 3, 0x50, BIT(16 + 8) | BIT(8)), /* tsp_d5m1 */ RK_MUXROUTE_SAME(2, RK_PC0, 4, 0x50, BIT(16 + 9) | BIT(9)), /* cif_data5m1 */ }; static struct rockchip_mux_route_data rk3399_mux_route_data[] = { RK_MUXROUTE_SAME(4, RK_PB0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11)), /* uart2dbga_rx */ RK_MUXROUTE_SAME(4, RK_PC0, 2, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* uart2dbgb_rx */ RK_MUXROUTE_SAME(4, RK_PC3, 1, 0xe21c, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* uart2dbgc_rx */ RK_MUXROUTE_SAME(2, RK_PD2, 2, 0xe21c, BIT(16 + 14)), /* pcie_clkreqn */ RK_MUXROUTE_SAME(4, RK_PD0, 1, 0xe21c, BIT(16 + 14) | BIT(14)), /* pcie_clkreqnb */ }; static struct rockchip_mux_route_data rk3568_mux_route_data[] = { RK_MUXROUTE_PMU(0, RK_PB7, 1, 0x0110, WRITE_MASK_VAL(1, 0, 0)), /* PWM0 IO mux M0 */ RK_MUXROUTE_PMU(0, RK_PC7, 2, 0x0110, WRITE_MASK_VAL(1, 0, 1)), /* PWM0 IO mux M1 */ RK_MUXROUTE_PMU(0, RK_PC0, 1, 0x0110, WRITE_MASK_VAL(3, 2, 0)), /* PWM1 IO mux M0 */ RK_MUXROUTE_PMU(0, RK_PB5, 4, 0x0110, WRITE_MASK_VAL(3, 2, 1)), /* PWM1 IO mux M1 */ RK_MUXROUTE_PMU(0, RK_PC1, 1, 0x0110, WRITE_MASK_VAL(5, 4, 0)), /* PWM2 IO mux M0 */ RK_MUXROUTE_PMU(0, RK_PB6, 4, 0x0110, WRITE_MASK_VAL(5, 4, 1)), /* PWM2 IO mux M1 */ RK_MUXROUTE_GRF(0, RK_PB3, 2, 0x0300, WRITE_MASK_VAL(0, 0, 0)), /* CAN0 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PA1, 4, 0x0300, WRITE_MASK_VAL(0, 0, 1)), /* CAN0 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA1, 3, 0x0300, WRITE_MASK_VAL(2, 2, 0)), /* CAN1 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC3, 3, 0x0300, WRITE_MASK_VAL(2, 2, 1)), /* CAN1 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PB5, 3, 0x0300, WRITE_MASK_VAL(4, 4, 0)), /* CAN2 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PB2, 4, 0x0300, WRITE_MASK_VAL(4, 4, 1)), /* CAN2 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PC4, 1, 0x0300, WRITE_MASK_VAL(6, 6, 0)), /* HPDIN IO mux M0 */ RK_MUXROUTE_GRF(0, RK_PC2, 2, 0x0300, WRITE_MASK_VAL(6, 6, 1)), /* HPDIN IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB1, 3, 0x0300, WRITE_MASK_VAL(8, 8, 0)), /* GMAC1 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PA7, 3, 0x0300, WRITE_MASK_VAL(8, 8, 1)), /* GMAC1 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PD1, 1, 0x0300, WRITE_MASK_VAL(10, 10, 0)), /* HDMITX IO mux M0 */ RK_MUXROUTE_GRF(0, RK_PC7, 1, 0x0300, WRITE_MASK_VAL(10, 10, 1)), /* HDMITX IO mux M1 */ RK_MUXROUTE_GRF(0, RK_PB6, 1, 0x0300, WRITE_MASK_VAL(14, 14, 0)), /* I2C2 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PB4, 1, 0x0300, WRITE_MASK_VAL(14, 14, 1)), /* I2C2 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA0, 1, 0x0304, WRITE_MASK_VAL(0, 0, 0)), /* I2C3 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PB6, 4, 0x0304, WRITE_MASK_VAL(0, 0, 1)), /* I2C3 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PB2, 1, 0x0304, WRITE_MASK_VAL(2, 2, 0)), /* I2C4 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PB1, 2, 0x0304, WRITE_MASK_VAL(2, 2, 1)), /* I2C4 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB4, 4, 0x0304, WRITE_MASK_VAL(4, 4, 0)), /* I2C5 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PD0, 2, 0x0304, WRITE_MASK_VAL(4, 4, 1)), /* I2C5 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB1, 5, 0x0304, WRITE_MASK_VAL(14, 14, 0)), /* PWM8 IO mux M0 */ RK_MUXROUTE_GRF(1, RK_PD5, 4, 0x0304, WRITE_MASK_VAL(14, 14, 1)), /* PWM8 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB2, 5, 0x0308, WRITE_MASK_VAL(0, 0, 0)), /* PWM9 IO mux M0 */ RK_MUXROUTE_GRF(1, RK_PD6, 4, 0x0308, WRITE_MASK_VAL(0, 0, 1)), /* PWM9 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB5, 5, 0x0308, WRITE_MASK_VAL(2, 2, 0)), /* PWM10 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PA1, 2, 0x0308, WRITE_MASK_VAL(2, 2, 1)), /* PWM10 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB6, 5, 0x0308, WRITE_MASK_VAL(4, 4, 0)), /* PWM11 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC0, 3, 0x0308, WRITE_MASK_VAL(4, 4, 1)), /* PWM11 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PB7, 2, 0x0308, WRITE_MASK_VAL(6, 6, 0)), /* PWM12 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(6, 6, 1)), /* PWM12 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PC0, 2, 0x0308, WRITE_MASK_VAL(8, 8, 0)), /* PWM13 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC6, 1, 0x0308, WRITE_MASK_VAL(8, 8, 1)), /* PWM13 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PC4, 1, 0x0308, WRITE_MASK_VAL(10, 10, 0)), /* PWM14 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC2, 1, 0x0308, WRITE_MASK_VAL(10, 10, 1)), /* PWM14 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PC5, 1, 0x0308, WRITE_MASK_VAL(12, 12, 0)), /* PWM15 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC3, 1, 0x0308, WRITE_MASK_VAL(12, 12, 1)), /* PWM15 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PD2, 3, 0x0308, WRITE_MASK_VAL(14, 14, 0)), /* SDMMC2 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PA5, 5, 0x0308, WRITE_MASK_VAL(14, 14, 1)), /* SDMMC2 IO mux M1 */ RK_MUXROUTE_GRF(0, RK_PB5, 2, 0x030c, WRITE_MASK_VAL(0, 0, 0)), /* SPI0 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PD3, 3, 0x030c, WRITE_MASK_VAL(0, 0, 1)), /* SPI0 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PB5, 3, 0x030c, WRITE_MASK_VAL(2, 2, 0)), /* SPI1 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PC3, 3, 0x030c, WRITE_MASK_VAL(2, 2, 1)), /* SPI1 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PC1, 4, 0x030c, WRITE_MASK_VAL(4, 4, 0)), /* SPI2 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PA0, 3, 0x030c, WRITE_MASK_VAL(4, 4, 1)), /* SPI2 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PB3, 4, 0x030c, WRITE_MASK_VAL(6, 6, 0)), /* SPI3 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC2, 2, 0x030c, WRITE_MASK_VAL(6, 6, 1)), /* SPI3 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PB4, 2, 0x030c, WRITE_MASK_VAL(8, 8, 0)), /* UART1 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PD6, 4, 0x030c, WRITE_MASK_VAL(8, 8, 1)), /* UART1 IO mux M1 */ RK_MUXROUTE_GRF(0, RK_PD1, 1, 0x030c, WRITE_MASK_VAL(10, 10, 0)), /* UART2 IO mux M0 */ RK_MUXROUTE_GRF(1, RK_PD5, 2, 0x030c, WRITE_MASK_VAL(10, 10, 1)), /* UART2 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA1, 2, 0x030c, WRITE_MASK_VAL(12, 12, 0)), /* UART3 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PB7, 4, 0x030c, WRITE_MASK_VAL(12, 12, 1)), /* UART3 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA6, 2, 0x030c, WRITE_MASK_VAL(14, 14, 0)), /* UART4 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PB2, 4, 0x030c, WRITE_MASK_VAL(14, 14, 1)), /* UART4 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PA2, 3, 0x0310, WRITE_MASK_VAL(0, 0, 0)), /* UART5 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PC2, 4, 0x0310, WRITE_MASK_VAL(0, 0, 1)), /* UART5 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PA4, 3, 0x0310, WRITE_MASK_VAL(2, 2, 0)), /* UART6 IO mux M0 */ RK_MUXROUTE_GRF(1, RK_PD5, 3, 0x0310, WRITE_MASK_VAL(2, 2, 1)), /* UART6 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PA6, 3, 0x0310, WRITE_MASK_VAL(5, 4, 0)), /* UART7 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PC4, 4, 0x0310, WRITE_MASK_VAL(5, 4, 1)), /* UART7 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(5, 4, 2)), /* UART7 IO mux M2 */ RK_MUXROUTE_GRF(2, RK_PC5, 3, 0x0310, WRITE_MASK_VAL(6, 6, 0)), /* UART8 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PD7, 4, 0x0310, WRITE_MASK_VAL(6, 6, 1)), /* UART8 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PB0, 3, 0x0310, WRITE_MASK_VAL(9, 8, 0)), /* UART9 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC5, 4, 0x0310, WRITE_MASK_VAL(9, 8, 1)), /* UART9 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PA4, 4, 0x0310, WRITE_MASK_VAL(9, 8, 2)), /* UART9 IO mux M2 */ RK_MUXROUTE_GRF(1, RK_PA2, 1, 0x0310, WRITE_MASK_VAL(11, 10, 0)), /* I2S1 IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PC6, 4, 0x0310, WRITE_MASK_VAL(11, 10, 1)), /* I2S1 IO mux M1 */ RK_MUXROUTE_GRF(2, RK_PD0, 5, 0x0310, WRITE_MASK_VAL(11, 10, 2)), /* I2S1 IO mux M2 */ RK_MUXROUTE_GRF(2, RK_PC1, 1, 0x0310, WRITE_MASK_VAL(12, 12, 0)), /* I2S2 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PB6, 5, 0x0310, WRITE_MASK_VAL(12, 12, 1)), /* I2S2 IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PA2, 4, 0x0310, WRITE_MASK_VAL(14, 14, 0)), /* I2S3 IO mux M0 */ RK_MUXROUTE_GRF(4, RK_PC2, 5, 0x0310, WRITE_MASK_VAL(14, 14, 1)), /* I2S3 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */ RK_MUXROUTE_GRF(1, RK_PA6, 3, 0x0314, WRITE_MASK_VAL(1, 0, 0)), /* PDM IO mux M0 */ RK_MUXROUTE_GRF(3, RK_PD6, 5, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PA0, 4, 0x0314, WRITE_MASK_VAL(1, 0, 1)), /* PDM IO mux M1 */ RK_MUXROUTE_GRF(3, RK_PC4, 5, 0x0314, WRITE_MASK_VAL(1, 0, 2)), /* PDM IO mux M2 */ RK_MUXROUTE_GRF(0, RK_PA5, 3, 0x0314, WRITE_MASK_VAL(3, 2, 0)), /* PCIE20 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PD0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 1)), /* PCIE20 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PB0, 4, 0x0314, WRITE_MASK_VAL(3, 2, 2)), /* PCIE20 IO mux M2 */ RK_MUXROUTE_GRF(0, RK_PA4, 3, 0x0314, WRITE_MASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PD2, 4, 0x0314, WRITE_MASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux M1 */ RK_MUXROUTE_GRF(1, RK_PA5, 4, 0x0314, WRITE_MASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux M2 */ RK_MUXROUTE_GRF(0, RK_PA6, 2, 0x0314, WRITE_MASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux M0 */ RK_MUXROUTE_GRF(2, RK_PD4, 4, 0x0314, WRITE_MASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux M1 */ RK_MUXROUTE_GRF(4, RK_PC2, 4, 0x0314, WRITE_MASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux M2 */ }; static bool rockchip_get_mux_route(struct rockchip_pin_bank *bank, int pin, int mux, u32 *loc, u32 *reg, u32 *value) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->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; *loc = data->route_location; *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 *info = bank->drvdata; 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) { dev_err(info->dev, "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) ? info->regmap_pmu : info->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_verify_mux(struct rockchip_pin_bank *bank, int pin, int mux) { struct rockchip_pinctrl *info = bank->drvdata; struct device *dev = info->dev; int iomux_num = (pin / 8); if (iomux_num > 3) return -EINVAL; if (bank->iomux[iomux_num].type & IOMUX_UNROUTED) { dev_err(dev, "pin %d is unrouted\n", pin); return -EINVAL; } if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) { if (mux != RK_FUNC_GPIO) { dev_err(dev, "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 *info = bank->drvdata; struct device *dev = info->dev; int iomux_num = (pin / 8); struct regmap *regmap; int reg, ret, mask, mux_type; u8 bit; u32 data, rmask, route_location, 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; dev_dbg(dev, "setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) ? info->regmap_pmu : info->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_location, &route_reg, &route_val)) { struct regmap *route_regmap = regmap; /* handle special locations */ switch (route_location) { case ROCKCHIP_ROUTE_PMU: route_regmap = info->regmap_pmu; break; case ROCKCHIP_ROUTE_GRF: route_regmap = info->regmap_base; break; } ret = regmap_write(route_regmap, route_reg, route_val); if (ret) return ret; } } data = (mask << (bit + 16)); rmask = data | (data >> 16); data |= (mux & mask) << bit; ret = regmap_update_bits(regmap, reg, rmask, 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 int px30_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 32 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = PX30_PULL_PMU_OFFSET; } else { *regmap = info->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; return 0; } #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 int px30_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 32 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = PX30_DRV_PMU_OFFSET; } else { *regmap = info->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; return 0; } #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 *info = bank->drvdata; int pins_per_reg; if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = PX30_SCHMITT_PMU_OFFSET; pins_per_reg = PX30_SCHMITT_PINS_PER_PMU_REG; } else { *regmap = info->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 int rv1108_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 24 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RV1108_PULL_PMU_OFFSET; } else { *reg = RV1108_PULL_OFFSET; *regmap = info->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; return 0; } #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 int rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 24 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RV1108_DRV_PMU_OFFSET; } else { *regmap = info->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; return 0; } #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 *info = bank->drvdata; int pins_per_reg; if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RV1108_SCHMITT_PMU_OFFSET; pins_per_reg = RV1108_SCHMITT_PINS_PER_PMU_REG; } else { *regmap = info->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 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 *info = bank->drvdata; *regmap = info->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 RK2928_PULL_OFFSET 0x118 #define RK2928_PULL_PINS_PER_REG 16 #define RK2928_PULL_BANK_STRIDE 8 static int rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; }; #define RK3128_PULL_OFFSET 0x118 static int rk3128_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; } #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 int rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 12 pins of the first bank are located elsewhere */ if (bank->bank_num == 0 && pin_num < 12) { *regmap = info->regmap_pmu ? info->regmap_pmu : bank->regmap_pull; *reg = info->regmap_pmu ? RK3188_PULL_PMU_OFFSET : 0; *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 = info->regmap_pull ? info->regmap_pull : info->regmap_base; *reg = info->regmap_pull ? 0 : 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; } return 0; } #define RK3288_PULL_OFFSET 0x140 static int rk3288_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 24 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->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 = info->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; } return 0; } #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 int rk3288_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 24 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->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 = info->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; } return 0; } #define RK3228_PULL_OFFSET 0x100 static int rk3228_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; } #define RK3228_DRV_GRF_OFFSET 0x200 static int rk3228_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; } #define RK3308_PULL_OFFSET 0xa0 static int rk3308_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; } #define RK3308_DRV_GRF_OFFSET 0x100 static int rk3308_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; *regmap = info->regmap_base; *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; return 0; } #define RK3368_PULL_GRF_OFFSET 0x100 #define RK3368_PULL_PMU_OFFSET 0x10 static int rk3368_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 32 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->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 = info->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; } return 0; } #define RK3368_DRV_PMU_OFFSET 0x20 #define RK3368_DRV_GRF_OFFSET 0x200 static int rk3368_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 32 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->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 = info->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; } return 0; } #define RK3399_PULL_GRF_OFFSET 0xe040 #define RK3399_PULL_PMU_OFFSET 0x40 #define RK3399_DRV_3BITS_PER_PIN 3 static int rk3399_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The bank0:16 and bank1:32 pins are located in PMU */ if ((bank->bank_num == 0) || (bank->bank_num == 1)) { *regmap = info->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 = info->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; } return 0; } static int rk3399_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; 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 = info->regmap_pmu; else *regmap = info->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; return 0; } #define RK3568_PULL_PMU_OFFSET 0x20 #define RK3568_PULL_GRF_OFFSET 0x80 #define RK3568_PULL_BITS_PER_PIN 2 #define RK3568_PULL_PINS_PER_REG 8 #define RK3568_PULL_BANK_STRIDE 0x10 static int rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RK3568_PULL_PMU_OFFSET; *reg += bank->bank_num * RK3568_PULL_BANK_STRIDE; *reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4); *bit = pin_num % RK3568_PULL_PINS_PER_REG; *bit *= RK3568_PULL_BITS_PER_PIN; } else { *regmap = info->regmap_base; *reg = RK3568_PULL_GRF_OFFSET; *reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE; *reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4); *bit = (pin_num % RK3568_PULL_PINS_PER_REG); *bit *= RK3568_PULL_BITS_PER_PIN; } return 0; } #define RK3568_DRV_PMU_OFFSET 0x70 #define RK3568_DRV_GRF_OFFSET 0x200 #define RK3568_DRV_BITS_PER_PIN 8 #define RK3568_DRV_PINS_PER_REG 2 #define RK3568_DRV_BANK_STRIDE 0x40 static int rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; /* The first 32 pins of the first bank are located in PMU */ if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RK3568_DRV_PMU_OFFSET; *reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4); *bit = pin_num % RK3568_DRV_PINS_PER_REG; *bit *= RK3568_DRV_BITS_PER_PIN; } else { *regmap = info->regmap_base; *reg = RK3568_DRV_GRF_OFFSET; *reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE; *reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4); *bit = (pin_num % RK3568_DRV_PINS_PER_REG); *bit *= RK3568_DRV_BITS_PER_PIN; } return 0; } 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_get_drive_perpin(struct rockchip_pin_bank *bank, int pin_num) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct device *dev = info->dev; struct regmap *regmap; int reg, ret; u32 data, temp, rmask_bits; u8 bit; int drv_type = bank->drv[pin_num / 8].drv_type; ret = ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit); if (ret) 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 */ ret = regmap_read(regmap, reg, &data); if (ret) return ret; ret = regmap_read(regmap, reg + 0x4, &temp); if (ret) return ret; /* * the bit data[15] contains bit 0 of the value * while temp[1:0] contains bits 2 and 1 */ data >>= 15; temp &= 0x3; temp <<= 1; data |= temp; return rockchip_perpin_drv_list[drv_type][data]; case 18 ... 21: /* setting fully enclosed in the second register */ reg += 4; bit -= 16; break; default: dev_err(dev, "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: dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type); return -EINVAL; } ret = regmap_read(regmap, reg, &data); if (ret) return ret; data >>= bit; data &= (1 << rmask_bits) - 1; return rockchip_perpin_drv_list[drv_type][data]; } static int rockchip_set_drive_perpin(struct rockchip_pin_bank *bank, int pin_num, int strength) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct device *dev = info->dev; struct regmap *regmap; int reg, ret, i; u32 data, rmask, rmask_bits, temp; u8 bit; int drv_type = bank->drv[pin_num / 8].drv_type; dev_dbg(dev, "setting drive of GPIO%d-%d to %d\n", bank->bank_num, pin_num, strength); ret = ctrl->drv_calc_reg(bank, pin_num, ®map, ®, &bit); if (ret) return ret; if (ctrl->type == RK3568) { rmask_bits = RK3568_DRV_BITS_PER_PIN; ret = (1 << (strength + 1)) - 1; goto config; } 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) { dev_err(dev, "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; rmask = BIT(15) | BIT(31); data |= BIT(31); ret = regmap_update_bits(regmap, reg, rmask, data); if (ret) return ret; rmask = 0x3 | (0x3 << 16); temp |= (0x3 << 16); reg += 0x4; ret = regmap_update_bits(regmap, reg, rmask, temp); return ret; case 18 ... 21: /* setting fully enclosed in the second register */ reg += 4; bit -= 16; break; default: dev_err(dev, "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: dev_err(dev, "unsupported pinctrl drive type: %d\n", drv_type); return -EINVAL; } config: /* enable the write to the equivalent lower bits */ data = ((1 << rmask_bits) - 1) << (bit + 16); rmask = data | (data >> 16); data |= (ret << bit); ret = regmap_update_bits(regmap, reg, rmask, 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_get_pull(struct rockchip_pin_bank *bank, int pin_num) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct device *dev = info->dev; struct regmap *regmap; int reg, ret, pull_type; u8 bit; u32 data; /* rk3066b does support any pulls */ if (ctrl->type == RK3066B) return PIN_CONFIG_BIAS_DISABLE; ret = ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); if (ret) return ret; ret = regmap_read(regmap, reg, &data); if (ret) return ret; switch (ctrl->type) { case RK2928: case RK3128: return !(data & BIT(bit)) ? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT : PIN_CONFIG_BIAS_DISABLE; case PX30: case RV1108: case RK3188: case RK3288: case RK3308: case RK3328: case RK3368: case RK3399: case RK3568: pull_type = bank->pull_type[pin_num / 8]; data >>= bit; data &= (1 << RK3188_PULL_BITS_PER_PIN) - 1; /* * In the TRM, pull-up being 1 for everything except the GPIO0_D3-D6, * where that pull up value becomes 3. */ if (ctrl->type == RK3568 && bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) { if (data == 3) data = 1; } return rockchip_pull_list[pull_type][data]; default: dev_err(dev, "unsupported pinctrl type\n"); return -EINVAL; }; } static int rockchip_set_pull(struct rockchip_pin_bank *bank, int pin_num, int pull) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct device *dev = info->dev; struct regmap *regmap; int reg, ret, i, pull_type; u8 bit; u32 data, rmask; dev_dbg(dev, "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; ret = ctrl->pull_calc_reg(bank, pin_num, ®map, ®, &bit); if (ret) return ret; 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 RK3328: case RK3368: case RK3399: case RK3568: 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; } } /* * In the TRM, pull-up being 1 for everything except the GPIO0_D3-D6, * where that pull up value becomes 3. */ if (ctrl->type == RK3568 && bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) { if (ret == 1) ret = 3; } if (ret < 0) { dev_err(dev, "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); rmask = data | (data >> 16); data |= (ret << bit); ret = regmap_update_bits(regmap, reg, rmask, data); break; default: dev_err(dev, "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 *info = bank->drvdata; *regmap = info->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; } #define RK3568_SCHMITT_BITS_PER_PIN 2 #define RK3568_SCHMITT_PINS_PER_REG 8 #define RK3568_SCHMITT_BANK_STRIDE 0x10 #define RK3568_SCHMITT_GRF_OFFSET 0xc0 #define RK3568_SCHMITT_PMUGRF_OFFSET 0x30 static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl *info = bank->drvdata; if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RK3568_SCHMITT_PMUGRF_OFFSET; } else { *regmap = info->regmap_base; *reg = RK3568_SCHMITT_GRF_OFFSET; *reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE; } *reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4); *bit = pin_num % RK3568_SCHMITT_PINS_PER_REG; *bit *= RK3568_SCHMITT_BITS_PER_PIN; return 0; } static int rockchip_get_schmitt(struct rockchip_pin_bank *bank, int pin_num) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct regmap *regmap; int reg, ret; u8 bit; u32 data; ret = ctrl->schmitt_calc_reg(bank, pin_num, ®map, ®, &bit); if (ret) return ret; ret = regmap_read(regmap, reg, &data); if (ret) return ret; data >>= bit; switch (ctrl->type) { case RK3568: return data & ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1); default: break; } return data & 0x1; } static int rockchip_set_schmitt(struct rockchip_pin_bank *bank, int pin_num, int enable) { struct rockchip_pinctrl *info = bank->drvdata; struct rockchip_pin_ctrl *ctrl = info->ctrl; struct device *dev = info->dev; struct regmap *regmap; int reg, ret; u8 bit; u32 data, rmask; dev_dbg(dev, "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 */ switch (ctrl->type) { case RK3568: data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16); rmask = data | (data >> 16); data |= ((enable ? 0x2 : 0x1) << bit); break; default: data = BIT(bit + 16) | (enable << bit); rmask = BIT(bit + 16) | BIT(bit); break; } return regmap_update_bits(regmap, reg, rmask, data); } /* * Pinmux_ops handling */ static int rockchip_pmx_get_funcs_count(struct pinctrl_dev *pctldev) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); return info->nfunctions; } static const char *rockchip_pmx_get_func_name(struct pinctrl_dev *pctldev, unsigned selector) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); return info->functions[selector].name; } static int rockchip_pmx_get_groups(struct pinctrl_dev *pctldev, unsigned selector, const char * const **groups, unsigned * const num_groups) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); *groups = info->functions[selector].groups; *num_groups = info->functions[selector].ngroups; return 0; } static int rockchip_pmx_set(struct pinctrl_dev *pctldev, unsigned selector, unsigned group) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); const unsigned int *pins = info->groups[group].pins; const struct rockchip_pin_config *data = info->groups[group].data; struct device *dev = info->dev; struct rockchip_pin_bank *bank; int cnt, ret = 0; dev_dbg(dev, "enable function %s group %s\n", info->functions[selector].name, info->groups[group].name); /* * for each pin in the pin group selected, program the corresponding * pin function number in the config register. */ for (cnt = 0; cnt < info->groups[group].npins; cnt++) { bank = pin_to_bank(info, pins[cnt]); ret = rockchip_set_mux(bank, pins[cnt] - bank->pin_base, data[cnt].func); if (ret) break; } if (ret) { /* revert the already done pin settings */ for (cnt--; cnt >= 0; cnt--) { bank = pin_to_bank(info, pins[cnt]); rockchip_set_mux(bank, pins[cnt] - bank->pin_base, 0); } return ret; } return 0; } static int rockchip_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, struct pinctrl_gpio_range *range, unsigned offset, bool input) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); struct rockchip_pin_bank *bank; bank = pin_to_bank(info, offset); return rockchip_set_mux(bank, offset - bank->pin_base, RK_FUNC_GPIO); } static const struct pinmux_ops rockchip_pmx_ops = { .get_functions_count = rockchip_pmx_get_funcs_count, .get_function_name = rockchip_pmx_get_func_name, .get_function_groups = rockchip_pmx_get_groups, .set_mux = rockchip_pmx_set, .gpio_set_direction = rockchip_pmx_gpio_set_direction, }; /* * Pinconf_ops handling */ static bool rockchip_pinconf_pull_valid(struct rockchip_pin_ctrl *ctrl, enum pin_config_param 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 RK3328: case RK3368: case RK3399: case RK3568: return (pull != PIN_CONFIG_BIAS_PULL_PIN_DEFAULT); } return false; } static int rockchip_pinconf_defer_pin(struct rockchip_pin_bank *bank, unsigned int pin, u32 param, u32 arg) { struct rockchip_pin_deferred *cfg; cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); if (!cfg) return -ENOMEM; cfg->pin = pin; cfg->param = param; cfg->arg = arg; list_add_tail(&cfg->head, &bank->deferred_pins); return 0; } /* set the pin config settings for a specified pin */ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *configs, unsigned num_configs) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); struct rockchip_pin_bank *bank = pin_to_bank(info, pin); struct gpio_chip *gpio = &bank->gpio_chip; enum pin_config_param param; u32 arg; int i; int rc; for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); arg = pinconf_to_config_argument(configs[i]); if (param == PIN_CONFIG_OUTPUT || param == PIN_CONFIG_INPUT_ENABLE) { /* * Check for gpio driver not being probed yet. * The lock makes sure that either gpio-probe has completed * or the gpio driver hasn't probed yet. */ mutex_lock(&bank->deferred_lock); if (!gpio || !gpio->direction_output) { rc = rockchip_pinconf_defer_pin(bank, pin - bank->pin_base, param, arg); mutex_unlock(&bank->deferred_lock); if (rc) return rc; break; } mutex_unlock(&bank->deferred_lock); } switch (param) { case PIN_CONFIG_BIAS_DISABLE: rc = rockchip_set_pull(bank, pin - bank->pin_base, 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(info->ctrl, param)) return -ENOTSUPP; if (!arg) return -EINVAL; rc = rockchip_set_pull(bank, pin - bank->pin_base, param); if (rc) return rc; break; case PIN_CONFIG_OUTPUT: rc = rockchip_set_mux(bank, pin - bank->pin_base, RK_FUNC_GPIO); if (rc != RK_FUNC_GPIO) return -EINVAL; rc = gpio->direction_output(gpio, pin - bank->pin_base, arg); if (rc) return rc; break; case PIN_CONFIG_INPUT_ENABLE: rc = rockchip_set_mux(bank, pin - bank->pin_base, RK_FUNC_GPIO); if (rc != RK_FUNC_GPIO) return -EINVAL; rc = gpio->direction_input(gpio, pin - bank->pin_base); if (rc) return rc; break; case PIN_CONFIG_DRIVE_STRENGTH: /* rk3288 is the first with per-pin drive-strength */ if (!info->ctrl->drv_calc_reg) return -ENOTSUPP; rc = rockchip_set_drive_perpin(bank, pin - bank->pin_base, arg); if (rc < 0) return rc; break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: if (!info->ctrl->schmitt_calc_reg) return -ENOTSUPP; rc = rockchip_set_schmitt(bank, pin - bank->pin_base, arg); if (rc < 0) return rc; break; default: return -ENOTSUPP; break; } } /* for each config */ return 0; } /* get the pin config settings for a specified pin */ static int rockchip_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin, unsigned long *config) { struct rockchip_pinctrl *info = pinctrl_dev_get_drvdata(pctldev); struct rockchip_pin_bank *bank = pin_to_bank(info, pin); struct gpio_chip *gpio = &bank->gpio_chip; enum pin_config_param param = pinconf_to_config_param(*config); u16 arg; int rc; switch (param) { case PIN_CONFIG_BIAS_DISABLE: if (rockchip_get_pull(bank, pin - bank->pin_base) != param) return -EINVAL; arg = 0; 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(info->ctrl, param)) return -ENOTSUPP; if (rockchip_get_pull(bank, pin - bank->pin_base) != param) return -EINVAL; arg = 1; break; case PIN_CONFIG_OUTPUT: rc = rockchip_get_mux(bank, pin - bank->pin_base); if (rc != RK_FUNC_GPIO) return -EINVAL; if (!gpio || !gpio->get) { arg = 0; break; } rc = gpio->get(gpio, pin - bank->pin_base); if (rc < 0) return rc; arg = rc ? 1 : 0; break; case PIN_CONFIG_DRIVE_STRENGTH: /* rk3288 is the first with per-pin drive-strength */ if (!info->ctrl->drv_calc_reg) return -ENOTSUPP; rc = rockchip_get_drive_perpin(bank, pin - bank->pin_base); if (rc < 0) return rc; arg = rc; break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: if (!info->ctrl->schmitt_calc_reg) return -ENOTSUPP; rc = rockchip_get_schmitt(bank, pin - bank->pin_base); if (rc < 0) return rc; arg = rc; break; default: return -ENOTSUPP; break; } *config = pinconf_to_config_packed(param, arg); return 0; } static const struct pinconf_ops rockchip_pinconf_ops = { .pin_config_get = rockchip_pinconf_get, .pin_config_set = rockchip_pinconf_set, .is_generic = true, }; static const struct of_device_id rockchip_bank_match[] = { { .compatible = "rockchip,gpio-bank" }, { .compatible = "rockchip,rk3188-gpio-bank0" }, {}, }; static void rockchip_pinctrl_child_count(struct rockchip_pinctrl *info, struct device_node *np) { struct device_node *child; for_each_child_of_node(np, child) { if (of_match_node(rockchip_bank_match, child)) continue; info->nfunctions++; info->ngroups += of_get_child_count(child); } } static int rockchip_pinctrl_parse_groups(struct device_node *np, struct rockchip_pin_group *grp, struct rockchip_pinctrl *info, u32 index) { struct device *dev = info->dev; struct rockchip_pin_bank *bank; int size; const __be32 *list; int num; int i, j; int ret; dev_dbg(dev, "group(%d): %pOFn\n", index, np); /* Initialise group */ grp->name = np->name; /* * the binding format is rockchip,pins = , * do sanity check and calculate pins number */ list = of_get_property(np, "rockchip,pins", &size); /* we do not check return since it's safe node passed down */ size /= sizeof(*list); if (!size || size % 4) { dev_err(dev, "wrong pins number or pins and configs should be by 4\n"); return -EINVAL; } grp->npins = size / 4; grp->pins = devm_kcalloc(dev, grp->npins, sizeof(*grp->pins), GFP_KERNEL); grp->data = devm_kcalloc(dev, grp->npins, sizeof(*grp->data), GFP_KERNEL); if (!grp->pins || !grp->data) return -ENOMEM; for (i = 0, j = 0; i < size; i += 4, j++) { const __be32 *phandle; struct device_node *np_config; num = be32_to_cpu(*list++); bank = bank_num_to_bank(info, num); if (IS_ERR(bank)) return PTR_ERR(bank); grp->pins[j] = bank->pin_base + be32_to_cpu(*list++); grp->data[j].func = be32_to_cpu(*list++); phandle = list++; if (!phandle) return -EINVAL; np_config = of_find_node_by_phandle(be32_to_cpup(phandle)); ret = pinconf_generic_parse_dt_config(np_config, NULL, &grp->data[j].configs, &grp->data[j].nconfigs); of_node_put(np_config); if (ret) return ret; } return 0; } static int rockchip_pinctrl_parse_functions(struct device_node *np, struct rockchip_pinctrl *info, u32 index) { struct device *dev = info->dev; struct device_node *child; struct rockchip_pmx_func *func; struct rockchip_pin_group *grp; int ret; static u32 grp_index; u32 i = 0; dev_dbg(dev, "parse function(%d): %pOFn\n", index, np); func = &info->functions[index]; /* Initialise function */ func->name = np->name; func->ngroups = of_get_child_count(np); if (func->ngroups <= 0) return 0; func->groups = devm_kcalloc(dev, func->ngroups, sizeof(*func->groups), GFP_KERNEL); if (!func->groups) return -ENOMEM; for_each_child_of_node(np, child) { func->groups[i] = child->name; grp = &info->groups[grp_index++]; ret = rockchip_pinctrl_parse_groups(child, grp, info, i++); if (ret) { of_node_put(child); return ret; } } return 0; } static int rockchip_pinctrl_parse_dt(struct platform_device *pdev, struct rockchip_pinctrl *info) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; struct device_node *child; int ret; int i; rockchip_pinctrl_child_count(info, np); dev_dbg(dev, "nfunctions = %d\n", info->nfunctions); dev_dbg(dev, "ngroups = %d\n", info->ngroups); info->functions = devm_kcalloc(dev, info->nfunctions, sizeof(*info->functions), GFP_KERNEL); if (!info->functions) return -ENOMEM; info->groups = devm_kcalloc(dev, info->ngroups, sizeof(*info->groups), GFP_KERNEL); if (!info->groups) return -ENOMEM; i = 0; for_each_child_of_node(np, child) { if (of_match_node(rockchip_bank_match, child)) continue; ret = rockchip_pinctrl_parse_functions(child, info, i++); if (ret) { dev_err(dev, "failed to parse function\n"); of_node_put(child); return ret; } } return 0; } static int rockchip_pinctrl_register(struct platform_device *pdev, struct rockchip_pinctrl *info) { struct pinctrl_desc *ctrldesc = &info->pctl; struct pinctrl_pin_desc *pindesc, *pdesc; struct rockchip_pin_bank *pin_bank; struct device *dev = &pdev->dev; int pin, bank, ret; int k; ctrldesc->name = "rockchip-pinctrl"; ctrldesc->owner = THIS_MODULE; ctrldesc->pctlops = &rockchip_pctrl_ops; ctrldesc->pmxops = &rockchip_pmx_ops; ctrldesc->confops = &rockchip_pinconf_ops; pindesc = devm_kcalloc(dev, info->ctrl->nr_pins, sizeof(*pindesc), GFP_KERNEL); if (!pindesc) return -ENOMEM; ctrldesc->pins = pindesc; ctrldesc->npins = info->ctrl->nr_pins; pdesc = pindesc; for (bank = 0, k = 0; bank < info->ctrl->nr_banks; bank++) { pin_bank = &info->ctrl->pin_banks[bank]; for (pin = 0; pin < pin_bank->nr_pins; pin++, k++) { pdesc->number = k; pdesc->name = kasprintf(GFP_KERNEL, "%s-%d", pin_bank->name, pin); pdesc++; } INIT_LIST_HEAD(&pin_bank->deferred_pins); mutex_init(&pin_bank->deferred_lock); } ret = rockchip_pinctrl_parse_dt(pdev, info); if (ret) return ret; info->pctl_dev = devm_pinctrl_register(dev, ctrldesc, info); if (IS_ERR(info->pctl_dev)) { dev_err(dev, "could not register pinctrl driver\n"); return PTR_ERR(info->pctl_dev); } return 0; } static const struct of_device_id rockchip_pinctrl_dt_match[]; /* retrieve the soc specific data */ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( struct rockchip_pinctrl *d, struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; const struct of_device_id *match; struct rockchip_pin_ctrl *ctrl; struct rockchip_pin_bank *bank; int grf_offs, pmu_offs, drv_grf_offs, drv_pmu_offs, i, j; match = of_match_node(rockchip_pinctrl_dt_match, node); ctrl = (struct rockchip_pin_ctrl *)match->data; 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; raw_spin_lock_init(&bank->slock); bank->drvdata = d; 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; } dev_dbg(dev, "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_WIDTH_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; } #define RK3288_GRF_GPIO6C_IOMUX 0x64 #define GPIO6C6_SEL_WRITE_ENABLE BIT(28) static u32 rk3288_grf_gpio6c_iomux; static int __maybe_unused rockchip_pinctrl_suspend(struct device *dev) { struct rockchip_pinctrl *info = dev_get_drvdata(dev); int ret = pinctrl_force_sleep(info->pctl_dev); if (ret) return ret; /* * RK3288 GPIO6_C6 mux would be modified by Maskrom when resume, so save * the setting here, and restore it at resume. */ if (info->ctrl->type == RK3288) { ret = regmap_read(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, &rk3288_grf_gpio6c_iomux); if (ret) { pinctrl_force_default(info->pctl_dev); return ret; } } return 0; } static int __maybe_unused rockchip_pinctrl_resume(struct device *dev) { struct rockchip_pinctrl *info = dev_get_drvdata(dev); int ret; if (info->ctrl->type == RK3288) { ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX, rk3288_grf_gpio6c_iomux | GPIO6C6_SEL_WRITE_ENABLE); if (ret) return ret; } return pinctrl_force_default(info->pctl_dev); } static SIMPLE_DEV_PM_OPS(rockchip_pinctrl_dev_pm_ops, rockchip_pinctrl_suspend, rockchip_pinctrl_resume); static int rockchip_pinctrl_probe(struct platform_device *pdev) { struct rockchip_pinctrl *info; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node, *node; struct rockchip_pin_ctrl *ctrl; struct resource *res; void __iomem *base; int ret; if (!dev->of_node) { dev_err(dev, "device tree node not found\n"); return -ENODEV; } info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL); if (!info) return -ENOMEM; info->dev = dev; ctrl = rockchip_pinctrl_get_soc_data(info, pdev); if (!ctrl) { dev_err(dev, "driver data not available\n"); return -EINVAL; } info->ctrl = ctrl; node = of_parse_phandle(np, "rockchip,grf", 0); if (node) { info->regmap_base = syscon_node_to_regmap(node); of_node_put(node); if (IS_ERR(info->regmap_base)) return PTR_ERR(info->regmap_base); } else { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base); rockchip_regmap_config.max_register = resource_size(res) - 4; rockchip_regmap_config.name = "rockchip,pinctrl"; info->regmap_base = devm_regmap_init_mmio(dev, base, &rockchip_regmap_config); /* to check for the old dt-bindings */ info->reg_size = resource_size(res); /* Honor the old binding, with pull registers as 2nd resource */ if (ctrl->type == RK3188 && info->reg_size < 0x200) { res = platform_get_resource(pdev, IORESOURCE_MEM, 1); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) return PTR_ERR(base); rockchip_regmap_config.max_register = resource_size(res) - 4; rockchip_regmap_config.name = "rockchip,pinctrl-pull"; info->regmap_pull = devm_regmap_init_mmio(dev, base, &rockchip_regmap_config); } } /* try to find the optional reference to the pmu syscon */ node = of_parse_phandle(np, "rockchip,pmu", 0); if (node) { info->regmap_pmu = syscon_node_to_regmap(node); of_node_put(node); if (IS_ERR(info->regmap_pmu)) return PTR_ERR(info->regmap_pmu); } ret = rockchip_pinctrl_register(pdev, info); if (ret) return ret; platform_set_drvdata(pdev, info); ret = of_platform_populate(np, NULL, NULL, &pdev->dev); if (ret) { dev_err(dev, "failed to register gpio device\n"); return ret; } return 0; } static int rockchip_pinctrl_remove(struct platform_device *pdev) { struct rockchip_pinctrl *info = platform_get_drvdata(pdev); struct rockchip_pin_bank *bank; struct rockchip_pin_deferred *cfg; int i; of_platform_depopulate(&pdev->dev); for (i = 0; i < info->ctrl->nr_banks; i++) { bank = &info->ctrl->pin_banks[i]; mutex_lock(&bank->deferred_lock); while (!list_empty(&bank->deferred_pins)) { cfg = list_first_entry(&bank->deferred_pins, struct rockchip_pin_deferred, head); list_del(&cfg->head); kfree(cfg); } mutex_unlock(&bank->deferred_lock); } 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, .iomux_routes = rk3188_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3188_mux_route_data), .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_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 struct rockchip_pin_bank rk3308_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT), PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_2BIT, IOMUX_WIDTH_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_2BIT, 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 = RK3328, .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 struct rockchip_pin_bank rk3568_pin_banks[] = { PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT), PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT), PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT), PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT), PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT, IOMUX_WIDTH_4BIT), }; static struct rockchip_pin_ctrl rk3568_pin_ctrl = { .pin_banks = rk3568_pin_banks, .nr_banks = ARRAY_SIZE(rk3568_pin_banks), .label = "RK3568-GPIO", .type = RK3568, .grf_mux_offset = 0x0, .pmu_mux_offset = 0x0, .grf_drv_offset = 0x0200, .pmu_drv_offset = 0x0070, .iomux_routes = rk3568_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3568_mux_route_data), .pull_calc_reg = rk3568_calc_pull_reg_and_bit, .drv_calc_reg = rk3568_calc_drv_reg_and_bit, .schmitt_calc_reg = rk3568_calc_schmitt_reg_and_bit, }; static const struct of_device_id rockchip_pinctrl_dt_match[] = { { .compatible = "rockchip,px30-pinctrl", .data = &px30_pin_ctrl }, { .compatible = "rockchip,rv1108-pinctrl", .data = &rv1108_pin_ctrl }, { .compatible = "rockchip,rk2928-pinctrl", .data = &rk2928_pin_ctrl }, { .compatible = "rockchip,rk3036-pinctrl", .data = &rk3036_pin_ctrl }, { .compatible = "rockchip,rk3066a-pinctrl", .data = &rk3066a_pin_ctrl }, { .compatible = "rockchip,rk3066b-pinctrl", .data = &rk3066b_pin_ctrl }, { .compatible = "rockchip,rk3128-pinctrl", .data = (void *)&rk3128_pin_ctrl }, { .compatible = "rockchip,rk3188-pinctrl", .data = &rk3188_pin_ctrl }, { .compatible = "rockchip,rk3228-pinctrl", .data = &rk3228_pin_ctrl }, { .compatible = "rockchip,rk3288-pinctrl", .data = &rk3288_pin_ctrl }, { .compatible = "rockchip,rk3308-pinctrl", .data = &rk3308_pin_ctrl }, { .compatible = "rockchip,rk3328-pinctrl", .data = &rk3328_pin_ctrl }, { .compatible = "rockchip,rk3368-pinctrl", .data = &rk3368_pin_ctrl }, { .compatible = "rockchip,rk3399-pinctrl", .data = &rk3399_pin_ctrl }, { .compatible = "rockchip,rk3568-pinctrl", .data = &rk3568_pin_ctrl }, {}, }; static struct platform_driver rockchip_pinctrl_driver = { .probe = rockchip_pinctrl_probe, .remove = rockchip_pinctrl_remove, .driver = { .name = "rockchip-pinctrl", .pm = &rockchip_pinctrl_dev_pm_ops, .of_match_table = rockchip_pinctrl_dt_match, }, }; static int __init rockchip_pinctrl_drv_register(void) { return platform_driver_register(&rockchip_pinctrl_driver); } postcore_initcall(rockchip_pinctrl_drv_register); static void __exit rockchip_pinctrl_drv_unregister(void) { platform_driver_unregister(&rockchip_pinctrl_driver); } module_exit(rockchip_pinctrl_drv_unregister); MODULE_DESCRIPTION("ROCKCHIP Pin Controller Driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:pinctrl-rockchip"); MODULE_DEVICE_TABLE(of, rockchip_pinctrl_dt_match);