Jagan Teki | 7fc8064 | 2023-02-17 17:28:43 +0530 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * (C) Copyright 2020 Rockchip Electronics Co., Ltd |
| 4 | */ |
| 5 | |
| 6 | #include <common.h> |
| 7 | #include <dm.h> |
| 8 | #include <dm/pinctrl.h> |
| 9 | #include <regmap.h> |
| 10 | #include <syscon.h> |
| 11 | #include <dt-bindings/pinctrl/rockchip.h> |
| 12 | |
| 13 | #include "pinctrl-rockchip.h" |
| 14 | |
| 15 | static struct rockchip_mux_route_data rk3568_mux_route_data[] = { |
| 16 | MR_TOPGRF(RK_GPIO0, RK_PB3, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(0, 0, 0)), /* CAN0 IO mux selection M0 */ |
| 17 | MR_TOPGRF(RK_GPIO2, RK_PA1, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(0, 0, 1)), /* CAN0 IO mux selection M1 */ |
| 18 | MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 0)), /* CAN1 IO mux selection M0 */ |
| 19 | MR_TOPGRF(RK_GPIO4, RK_PC3, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 1)), /* CAN1 IO mux selection M1 */ |
| 20 | MR_TOPGRF(RK_GPIO4, RK_PB5, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(4, 4, 0)), /* CAN2 IO mux selection M0 */ |
| 21 | MR_TOPGRF(RK_GPIO2, RK_PB2, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(4, 4, 1)), /* CAN2 IO mux selection M1 */ |
| 22 | MR_TOPGRF(RK_GPIO4, RK_PC4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(6, 6, 0)), /* EDPDP_HPDIN IO mux selection M0 */ |
| 23 | MR_TOPGRF(RK_GPIO0, RK_PC2, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(6, 6, 1)), /* EDPDP_HPDIN IO mux selection M1 */ |
| 24 | MR_TOPGRF(RK_GPIO3, RK_PB1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 0)), /* GMAC1 IO mux selection M0 */ |
| 25 | MR_TOPGRF(RK_GPIO4, RK_PA7, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 1)), /* GMAC1 IO mux selection M1 */ |
| 26 | MR_TOPGRF(RK_GPIO4, RK_PD1, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 0)), /* HDMITX IO mux selection M0 */ |
| 27 | MR_TOPGRF(RK_GPIO0, RK_PC7, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 1)), /* HDMITX IO mux selection M1 */ |
| 28 | MR_TOPGRF(RK_GPIO0, RK_PB6, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 0)), /* I2C2 IO mux selection M0 */ |
| 29 | MR_TOPGRF(RK_GPIO4, RK_PB4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 1)), /* I2C2 IO mux selection M1 */ |
| 30 | MR_TOPGRF(RK_GPIO1, RK_PA0, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(0, 0, 0)), /* I2C3 IO mux selection M0 */ |
| 31 | MR_TOPGRF(RK_GPIO3, RK_PB6, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(0, 0, 1)), /* I2C3 IO mux selection M1 */ |
| 32 | MR_TOPGRF(RK_GPIO4, RK_PB2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(2, 2, 0)), /* I2C4 IO mux selection M0 */ |
| 33 | MR_TOPGRF(RK_GPIO2, RK_PB1, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(2, 2, 1)), /* I2C4 IO mux selection M1 */ |
| 34 | MR_TOPGRF(RK_GPIO3, RK_PB4, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(4, 4, 0)), /* I2C5 IO mux selection M0 */ |
| 35 | MR_TOPGRF(RK_GPIO4, RK_PD0, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(4, 4, 1)), /* I2C5 IO mux selection M1 */ |
| 36 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 0)), /* PWM4 IO mux selection M0 */ |
| 37 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(6, 6, 1)), /* PWM4 IO mux selection M1 */ |
| 38 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 0)), /* PWM5 IO mux selection M0 */ |
| 39 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(8, 8, 1)), /* PWM5 IO mux selection M1 */ |
| 40 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 0)), /* PWM6 IO mux selection M0 */ |
| 41 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(10, 10, 1)), /* PWM6 IO mux selection M1 */ |
| 42 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 0)), /* PWM7 IO mux selection M0 */ |
| 43 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(12, 12, 1)), /* PWM7 IO mux selection M1 */ |
| 44 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 0)), /* PWM8 IO mux selection M0 */ |
| 45 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(14, 14, 1)), /* PWM8 IO mux selection M1 */ |
| 46 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 0)), /* PWM9 IO mux selection M0 */ |
| 47 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(0, 0, 1)), /* PWM9 IO mux selection M1 */ |
| 48 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 0)), /* PWM10 IO mux selection M0 */ |
| 49 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(2, 2, 1)), /* PWM10 IO mux selection M1 */ |
| 50 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 0)), /* PWM11 IO mux selection M0 */ |
| 51 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(4, 4, 1)), /* PWM11 IO mux selection M1 */ |
| 52 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 0)), /* PWM12 IO mux selection M0 */ |
| 53 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 1)), /* PWM12 IO mux selection M1 */ |
| 54 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 0)), /* PWM13 IO mux selection M0 */ |
| 55 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 1)), /* PWM13 IO mux selection M1 */ |
| 56 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 0)), /* PWM14 IO mux selection M0 */ |
| 57 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 1)), /* PWM14 IO mux selection M1 */ |
| 58 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 0)), /* PWM15 IO mux selection M0 */ |
| 59 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 1)), /* PWM15 IO mux selection M1 */ |
| 60 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_3, 0x0308, RK_GENMASK_VAL(14, 14, 0)), /* SDMMC2 IO mux selection M0 */ |
| 61 | MR_TOPGRF(RK_GPIO3, RK_PA5, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(14, 14, 1)), /* SDMMC2 IO mux selection M1 */ |
| 62 | MR_TOPGRF(RK_GPIO0, RK_PB5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(0, 0, 0)), /* SPI0 IO mux selection M0 */ |
| 63 | MR_TOPGRF(RK_GPIO2, RK_PD3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(0, 0, 1)), /* SPI0 IO mux selection M1 */ |
| 64 | MR_TOPGRF(RK_GPIO2, RK_PB5, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 0)), /* SPI1 IO mux selection M0 */ |
| 65 | MR_TOPGRF(RK_GPIO3, RK_PC3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 1)), /* SPI1 IO mux selection M1 */ |
| 66 | MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(4, 4, 0)), /* SPI2 IO mux selection M0 */ |
| 67 | MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(4, 4, 1)), /* SPI2 IO mux selection M1 */ |
| 68 | MR_TOPGRF(RK_GPIO4, RK_PB3, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(6, 6, 0)), /* SPI3 IO mux selection M0 */ |
| 69 | MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(6, 6, 1)), /* SPI3 IO mux selection M1 */ |
| 70 | MR_TOPGRF(RK_GPIO2, RK_PB4, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(8, 8, 0)), /* UART1 IO mux selection M0 */ |
| 71 | MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(8, 8, 1)), /* UART1 IO mux selection M1 */ |
| 72 | MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(10, 10, 0)), /* UART2 IO mux selection M0 */ |
| 73 | MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(10, 10, 1)), /* UART2 IO mux selection M1 */ |
| 74 | MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(12, 12, 0)), /* UART3 IO mux selection M0 */ |
| 75 | MR_TOPGRF(RK_GPIO3, RK_PB7, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(12, 12, 1)), /* UART3 IO mux selection M1 */ |
| 76 | MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(14, 14, 0)), /* UART4 IO mux selection M0 */ |
| 77 | MR_TOPGRF(RK_GPIO3, RK_PB2, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(14, 14, 1)), /* UART4 IO mux selection M1 */ |
| 78 | MR_TOPGRF(RK_GPIO2, RK_PA2, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(0, 0, 0)), /* UART5 IO mux selection M0 */ |
| 79 | MR_TOPGRF(RK_GPIO3, RK_PC2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(0, 0, 1)), /* UART5 IO mux selection M1 */ |
| 80 | MR_TOPGRF(RK_GPIO2, RK_PA4, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 0)), /* UART6 IO mux selection M0 */ |
| 81 | MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 1)), /* UART6 IO mux selection M1 */ |
| 82 | MR_TOPGRF(RK_GPIO2, RK_PA6, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(5, 4, 0)), /* UART7 IO mux selection M0 */ |
| 83 | MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(5, 4, 1)), /* UART7 IO mux selection M1 */ |
| 84 | MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(5, 4, 2)), /* UART7 IO mux selection M2 */ |
| 85 | MR_TOPGRF(RK_GPIO2, RK_PC5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(6, 6, 0)), /* UART8 IO mux selection M0 */ |
| 86 | MR_TOPGRF(RK_GPIO2, RK_PD7, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(6, 6, 1)), /* UART8 IO mux selection M1 */ |
| 87 | MR_TOPGRF(RK_GPIO2, RK_PB0, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(9, 8, 0)), /* UART9 IO mux selection M0 */ |
| 88 | MR_TOPGRF(RK_GPIO4, RK_PC5, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 1)), /* UART9 IO mux selection M1 */ |
| 89 | MR_TOPGRF(RK_GPIO4, RK_PA4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 2)), /* UART9 IO mux selection M2 */ |
| 90 | MR_TOPGRF(RK_GPIO1, RK_PA2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(11, 10, 0)), /* I2S1 IO mux selection M0 */ |
| 91 | MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(11, 10, 1)), /* I2S1 IO mux selection M1 */ |
| 92 | MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(11, 10, 2)), /* I2S1 IO mux selection M2 */ |
| 93 | MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(12, 12, 0)), /* I2S2 IO mux selection M0 */ |
| 94 | MR_TOPGRF(RK_GPIO4, RK_PB6, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(12, 12, 1)), /* I2S2 IO mux selection M1 */ |
| 95 | MR_TOPGRF(RK_GPIO3, RK_PA2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(14, 14, 0)), /* I2S3 IO mux selection M0 */ |
| 96 | MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(14, 14, 1)), /* I2S3 IO mux selection M1 */ |
| 97 | MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(0, 0, 0)), /* PDM IO mux selection M0 */ |
| 98 | MR_TOPGRF(RK_GPIO3, RK_PD6, RK_FUNC_5, 0x0314, RK_GENMASK_VAL(0, 0, 1)), /* PDM IO mux selection M1 */ |
| 99 | MR_TOPGRF(RK_GPIO0, RK_PA5, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(3, 2, 0)), /* PCIE20 IO mux selection M0 */ |
| 100 | MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 1)), /* PCIE20 IO mux selection M1 */ |
| 101 | MR_TOPGRF(RK_GPIO1, RK_PB0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 2)), /* PCIE20 IO mux selection M2 */ |
| 102 | MR_TOPGRF(RK_GPIO0, RK_PA4, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux selection M0 */ |
| 103 | MR_TOPGRF(RK_GPIO2, RK_PD2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux selection M1 */ |
| 104 | MR_TOPGRF(RK_GPIO1, RK_PA5, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux selection M2 */ |
| 105 | MR_TOPGRF(RK_GPIO0, RK_PA6, RK_FUNC_2, 0x0314, RK_GENMASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux selection M0 */ |
| 106 | MR_TOPGRF(RK_GPIO2, RK_PD4, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux selection M1 */ |
| 107 | MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux selection M2 */ |
| 108 | }; |
| 109 | |
| 110 | static int rk3568_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) |
| 111 | { |
| 112 | struct rockchip_pinctrl_priv *priv = bank->priv; |
| 113 | int iomux_num = (pin / 8); |
| 114 | struct regmap *regmap; |
| 115 | int reg, ret, mask; |
| 116 | u8 bit; |
| 117 | u32 data; |
| 118 | |
| 119 | debug("setting mux of GPIO%d-%d to %d\n", bank->bank_num, pin, mux); |
| 120 | |
| 121 | if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) |
| 122 | regmap = priv->regmap_pmu; |
| 123 | else |
| 124 | regmap = priv->regmap_base; |
| 125 | |
| 126 | reg = bank->iomux[iomux_num].offset; |
| 127 | if ((pin % 8) >= 4) |
| 128 | reg += 0x4; |
| 129 | bit = (pin % 4) * 4; |
| 130 | mask = 0xf; |
| 131 | |
| 132 | data = (mask << (bit + 16)); |
| 133 | data |= (mux & mask) << bit; |
| 134 | ret = regmap_write(regmap, reg, data); |
| 135 | |
| 136 | return ret; |
| 137 | } |
| 138 | |
| 139 | #define RK3568_PULL_PMU_OFFSET 0x20 |
| 140 | #define RK3568_PULL_GRF_OFFSET 0x80 |
| 141 | #define RK3568_PULL_BITS_PER_PIN 2 |
| 142 | #define RK3568_PULL_PINS_PER_REG 8 |
| 143 | #define RK3568_PULL_BANK_STRIDE 0x10 |
| 144 | |
| 145 | static void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, |
| 146 | int pin_num, struct regmap **regmap, |
| 147 | int *reg, u8 *bit) |
| 148 | { |
| 149 | struct rockchip_pinctrl_priv *info = bank->priv; |
| 150 | |
| 151 | if (bank->bank_num == 0) { |
| 152 | *regmap = info->regmap_pmu; |
| 153 | *reg = RK3568_PULL_PMU_OFFSET; |
| 154 | *reg += bank->bank_num * RK3568_PULL_BANK_STRIDE; |
| 155 | } else { |
| 156 | *regmap = info->regmap_base; |
| 157 | *reg = RK3568_PULL_GRF_OFFSET; |
| 158 | *reg += (bank->bank_num - 1) * RK3568_PULL_BANK_STRIDE; |
| 159 | } |
| 160 | |
| 161 | *reg += ((pin_num / RK3568_PULL_PINS_PER_REG) * 4); |
| 162 | *bit = (pin_num % RK3568_PULL_PINS_PER_REG); |
| 163 | *bit *= RK3568_PULL_BITS_PER_PIN; |
| 164 | } |
| 165 | |
| 166 | #define RK3568_DRV_PMU_OFFSET 0x70 |
| 167 | #define RK3568_DRV_GRF_OFFSET 0x200 |
| 168 | #define RK3568_DRV_BITS_PER_PIN 8 |
| 169 | #define RK3568_DRV_PINS_PER_REG 2 |
| 170 | #define RK3568_DRV_BANK_STRIDE 0x40 |
| 171 | |
| 172 | static void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, |
| 173 | int pin_num, struct regmap **regmap, |
| 174 | int *reg, u8 *bit) |
| 175 | { |
| 176 | struct rockchip_pinctrl_priv *info = bank->priv; |
| 177 | |
| 178 | /* The first 32 pins of the first bank are located in PMU */ |
| 179 | if (bank->bank_num == 0) { |
| 180 | *regmap = info->regmap_pmu; |
| 181 | *reg = RK3568_DRV_PMU_OFFSET; |
| 182 | } else { |
| 183 | *regmap = info->regmap_base; |
| 184 | *reg = RK3568_DRV_GRF_OFFSET; |
| 185 | *reg += (bank->bank_num - 1) * RK3568_DRV_BANK_STRIDE; |
| 186 | } |
| 187 | |
| 188 | *reg += ((pin_num / RK3568_DRV_PINS_PER_REG) * 4); |
| 189 | *bit = (pin_num % RK3568_DRV_PINS_PER_REG); |
| 190 | *bit *= RK3568_DRV_BITS_PER_PIN; |
| 191 | } |
| 192 | |
| 193 | #define RK3568_SCHMITT_BITS_PER_PIN 2 |
| 194 | #define RK3568_SCHMITT_PINS_PER_REG 8 |
| 195 | #define RK3568_SCHMITT_BANK_STRIDE 0x10 |
| 196 | #define RK3568_SCHMITT_GRF_OFFSET 0xc0 |
| 197 | #define RK3568_SCHMITT_PMUGRF_OFFSET 0x30 |
| 198 | |
| 199 | static int rk3568_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank, |
| 200 | int pin_num, struct regmap **regmap, |
| 201 | int *reg, u8 *bit) |
| 202 | { |
| 203 | struct rockchip_pinctrl_priv *info = bank->priv; |
| 204 | |
| 205 | if (bank->bank_num == 0) { |
| 206 | *regmap = info->regmap_pmu; |
| 207 | *reg = RK3568_SCHMITT_PMUGRF_OFFSET; |
| 208 | } else { |
| 209 | *regmap = info->regmap_base; |
| 210 | *reg = RK3568_SCHMITT_GRF_OFFSET; |
| 211 | *reg += (bank->bank_num - 1) * RK3568_SCHMITT_BANK_STRIDE; |
| 212 | } |
| 213 | |
| 214 | *reg += ((pin_num / RK3568_SCHMITT_PINS_PER_REG) * 4); |
| 215 | *bit = pin_num % RK3568_SCHMITT_PINS_PER_REG; |
| 216 | *bit *= RK3568_SCHMITT_BITS_PER_PIN; |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | |
| 221 | static int rk3568_set_pull(struct rockchip_pin_bank *bank, |
| 222 | int pin_num, int pull) |
| 223 | { |
| 224 | struct regmap *regmap; |
| 225 | int reg, ret; |
| 226 | u8 bit, type; |
| 227 | u32 data; |
| 228 | |
| 229 | if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) |
| 230 | return -ENOTSUPP; |
| 231 | |
| 232 | rk3568_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); |
| 233 | type = bank->pull_type[pin_num / 8]; |
| 234 | ret = rockchip_translate_pull_value(type, pull); |
| 235 | if (ret < 0) { |
| 236 | debug("unsupported pull setting %d\n", pull); |
| 237 | return ret; |
| 238 | } |
| 239 | |
| 240 | /* enable the write to the equivalent lower bits */ |
| 241 | data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); |
| 242 | |
| 243 | data |= (ret << bit); |
| 244 | ret = regmap_write(regmap, reg, data); |
| 245 | |
| 246 | return ret; |
| 247 | } |
| 248 | |
| 249 | static int rk3568_set_drive(struct rockchip_pin_bank *bank, |
| 250 | int pin_num, int strength) |
| 251 | { |
| 252 | struct regmap *regmap; |
| 253 | int reg; |
| 254 | u32 data; |
| 255 | u8 bit; |
| 256 | int drv = (1 << (strength + 1)) - 1; |
| 257 | int ret = 0; |
| 258 | |
| 259 | rk3568_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit); |
| 260 | |
| 261 | /* enable the write to the equivalent lower bits */ |
| 262 | data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << (bit + 16); |
| 263 | data |= (drv << bit); |
| 264 | |
| 265 | ret = regmap_write(regmap, reg, data); |
| 266 | if (ret) |
| 267 | return ret; |
| 268 | |
| 269 | if (bank->bank_num == 1 && pin_num == 21) |
| 270 | reg = 0x0840; |
| 271 | else if (bank->bank_num == 2 && pin_num == 2) |
| 272 | reg = 0x0844; |
| 273 | else if (bank->bank_num == 2 && pin_num == 8) |
| 274 | reg = 0x0848; |
| 275 | else if (bank->bank_num == 3 && pin_num == 0) |
| 276 | reg = 0x084c; |
| 277 | else if (bank->bank_num == 3 && pin_num == 6) |
| 278 | reg = 0x0850; |
| 279 | else if (bank->bank_num == 4 && pin_num == 0) |
| 280 | reg = 0x0854; |
| 281 | else |
| 282 | return 0; |
| 283 | |
| 284 | data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << 16; |
| 285 | data |= drv; |
| 286 | |
| 287 | return regmap_write(regmap, reg, data); |
| 288 | } |
| 289 | |
| 290 | static int rk3568_set_schmitt(struct rockchip_pin_bank *bank, |
| 291 | int pin_num, int enable) |
| 292 | { |
| 293 | struct regmap *regmap; |
| 294 | int reg; |
| 295 | u32 data; |
| 296 | u8 bit; |
| 297 | |
| 298 | rk3568_calc_schmitt_reg_and_bit(bank, pin_num, ®map, ®, &bit); |
| 299 | |
| 300 | /* enable the write to the equivalent lower bits */ |
| 301 | data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16); |
| 302 | data |= (enable << bit); |
| 303 | |
| 304 | return regmap_write(regmap, reg, data); |
| 305 | } |
| 306 | |
| 307 | static struct rockchip_pin_bank rk3568_pin_banks[] = { |
| 308 | PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, |
| 309 | IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, |
| 310 | IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT, |
| 311 | IOMUX_SOURCE_PMU | IOMUX_WIDTH_4BIT), |
| 312 | PIN_BANK_IOMUX_FLAGS(1, 32, "gpio1", IOMUX_WIDTH_4BIT, |
| 313 | IOMUX_WIDTH_4BIT, |
| 314 | IOMUX_WIDTH_4BIT, |
| 315 | IOMUX_WIDTH_4BIT), |
| 316 | PIN_BANK_IOMUX_FLAGS(2, 32, "gpio2", IOMUX_WIDTH_4BIT, |
| 317 | IOMUX_WIDTH_4BIT, |
| 318 | IOMUX_WIDTH_4BIT, |
| 319 | IOMUX_WIDTH_4BIT), |
| 320 | PIN_BANK_IOMUX_FLAGS(3, 32, "gpio3", IOMUX_WIDTH_4BIT, |
| 321 | IOMUX_WIDTH_4BIT, |
| 322 | IOMUX_WIDTH_4BIT, |
| 323 | IOMUX_WIDTH_4BIT), |
| 324 | PIN_BANK_IOMUX_FLAGS(4, 32, "gpio4", IOMUX_WIDTH_4BIT, |
| 325 | IOMUX_WIDTH_4BIT, |
| 326 | IOMUX_WIDTH_4BIT, |
| 327 | IOMUX_WIDTH_4BIT), |
| 328 | }; |
| 329 | |
| 330 | static const struct rockchip_pin_ctrl rk3568_pin_ctrl = { |
| 331 | .pin_banks = rk3568_pin_banks, |
| 332 | .nr_banks = ARRAY_SIZE(rk3568_pin_banks), |
| 333 | .nr_pins = 160, |
| 334 | .grf_mux_offset = 0x0, |
| 335 | .pmu_mux_offset = 0x0, |
| 336 | .iomux_routes = rk3568_mux_route_data, |
| 337 | .niomux_routes = ARRAY_SIZE(rk3568_mux_route_data), |
| 338 | .set_mux = rk3568_set_mux, |
| 339 | .set_pull = rk3568_set_pull, |
| 340 | .set_drive = rk3568_set_drive, |
| 341 | .set_schmitt = rk3568_set_schmitt, |
| 342 | }; |
| 343 | |
| 344 | static const struct udevice_id rk3568_pinctrl_ids[] = { |
| 345 | { |
| 346 | .compatible = "rockchip,rk3568-pinctrl", |
| 347 | .data = (ulong)&rk3568_pin_ctrl |
| 348 | }, |
| 349 | { } |
| 350 | }; |
| 351 | |
| 352 | U_BOOT_DRIVER(pinctrl_rk3568) = { |
| 353 | .name = "rockchip_rk3568_pinctrl", |
| 354 | .id = UCLASS_PINCTRL, |
| 355 | .of_match = rk3568_pinctrl_ids, |
| 356 | .priv_auto = sizeof(struct rockchip_pinctrl_priv), |
| 357 | .ops = &rockchip_pinctrl_ops, |
| 358 | #if CONFIG_IS_ENABLED(OF_REAL) |
| 359 | .bind = dm_scan_fdt_dev, |
| 360 | #endif |
| 361 | .probe = rockchip_pinctrl_probe, |
| 362 | }; |