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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 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IO mux selection M0 */ MR_PMUGRF(RK_GPIO0, RK_PB5, RK_FUNC_4, 0x0110, RK_GENMASK_VAL(3, 2, 1)), /* PWM1 IO mux selection M1 */ MR_PMUGRF(RK_GPIO0, RK_PC1, RK_FUNC_1, 0x0110, RK_GENMASK_VAL(5, 4, 0)), /* PWM2 IO mux selection M0 */ MR_PMUGRF(RK_GPIO0, RK_PB6, RK_FUNC_4, 0x0110, RK_GENMASK_VAL(5, 4, 1)), /* PWM2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO0, RK_PB3, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(0, 0, 0)), /* CAN0 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PA1, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(0, 0, 1)), /* CAN0 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 0)), /* CAN1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC3, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(2, 2, 1)), /* CAN1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PB5, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(4, 4, 0)), /* CAN2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PB2, RK_FUNC_4, 0x0300, RK_GENMASK_VAL(4, 4, 1)), /* CAN2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PC4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(6, 6, 0)), /* EDPDP_HPDIN IO mux selection M0 */ MR_TOPGRF(RK_GPIO0, RK_PC2, RK_FUNC_2, 0x0300, RK_GENMASK_VAL(6, 6, 1)), /* EDPDP_HPDIN IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB1, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 0)), /* GMAC1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PA7, RK_FUNC_3, 0x0300, RK_GENMASK_VAL(8, 8, 1)), /* GMAC1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PD1, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 0)), /* HDMITX IO mux selection M0 */ MR_TOPGRF(RK_GPIO0, RK_PC7, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(10, 10, 1)), /* HDMITX IO mux selection M1 */ MR_TOPGRF(RK_GPIO0, RK_PB6, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 0)), /* I2C2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PB4, RK_FUNC_1, 0x0300, RK_GENMASK_VAL(14, 14, 1)), /* I2C2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA0, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(0, 0, 0)), /* I2C3 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PB6, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(0, 0, 1)), /* I2C3 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PB2, RK_FUNC_1, 0x0304, RK_GENMASK_VAL(2, 2, 0)), /* I2C4 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PB1, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(2, 2, 1)), /* I2C4 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB4, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(4, 4, 0)), /* I2C5 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PD0, RK_FUNC_2, 0x0304, RK_GENMASK_VAL(4, 4, 1)), /* I2C5 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB1, RK_FUNC_5, 0x0304, RK_GENMASK_VAL(14, 14, 0)), /* PWM8 IO mux selection M0 */ MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_4, 0x0304, RK_GENMASK_VAL(14, 14, 1)), /* PWM8 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB2, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(0, 0, 0)), /* PWM9 IO mux selection M0 */ MR_TOPGRF(RK_GPIO1, RK_PD6, RK_FUNC_4, 0x0308, RK_GENMASK_VAL(0, 0, 1)), /* PWM9 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB5, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(2, 2, 0)), /* PWM10 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PA1, RK_FUNC_2, 0x0308, RK_GENMASK_VAL(2, 2, 1)), /* PWM10 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB6, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(4, 4, 0)), /* PWM11 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC0, RK_FUNC_3, 0x0308, RK_GENMASK_VAL(4, 4, 1)), /* PWM11 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PB7, RK_FUNC_2, 0x0308, RK_GENMASK_VAL(6, 6, 0)), /* PWM12 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC5, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(6, 6, 1)), /* PWM12 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PC0, RK_FUNC_2, 0x0308, RK_GENMASK_VAL(8, 8, 0)), /* PWM13 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC6, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(8, 8, 1)), /* PWM13 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 0)), /* PWM14 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(10, 10, 1)), /* PWM14 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PC5, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 0)), /* PWM15 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC3, RK_FUNC_1, 0x0308, RK_GENMASK_VAL(12, 12, 1)), /* PWM15 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PD2, RK_FUNC_3, 0x0308, RK_GENMASK_VAL(14, 14, 0)), /* SDMMC2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PA5, RK_FUNC_5, 0x0308, RK_GENMASK_VAL(14, 14, 1)), /* SDMMC2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO0, RK_PB5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(0, 0, 0)), /* SPI0 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PD3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(0, 0, 1)), /* SPI0 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PB5, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 0)), /* SPI1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PC3, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(2, 2, 1)), /* SPI1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(4, 4, 0)), /* SPI2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PA0, RK_FUNC_3, 0x030c, RK_GENMASK_VAL(4, 4, 1)), /* SPI2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PB3, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(6, 6, 0)), /* SPI3 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(6, 6, 1)), /* SPI3 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PB4, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(8, 8, 0)), /* UART1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PD6, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(8, 8, 1)), /* UART1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO0, RK_PD1, RK_FUNC_1, 0x030c, RK_GENMASK_VAL(10, 10, 0)), /* UART2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(10, 10, 1)), /* UART2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA1, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(12, 12, 0)), /* UART3 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PB7, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(12, 12, 1)), /* UART3 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_2, 0x030c, RK_GENMASK_VAL(14, 14, 0)), /* UART4 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PB2, RK_FUNC_4, 0x030c, RK_GENMASK_VAL(14, 14, 1)), /* UART4 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PA2, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(0, 0, 0)), /* UART5 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PC2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(0, 0, 1)), /* UART5 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PA4, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 0)), /* UART6 IO mux selection M0 */ MR_TOPGRF(RK_GPIO1, RK_PD5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(2, 2, 1)), /* UART6 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PA6, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(5, 4, 0)), /* UART7 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(5, 4, 1)), /* UART7 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PA2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(5, 4, 2)), /* UART7 IO mux selection M2 */ MR_TOPGRF(RK_GPIO2, RK_PC5, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(6, 6, 0)), /* UART8 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PD7, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(6, 6, 1)), /* UART8 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PB0, RK_FUNC_3, 0x0310, RK_GENMASK_VAL(9, 8, 0)), /* UART9 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC5, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 1)), /* UART9 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PA4, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(9, 8, 2)), /* UART9 IO mux selection M2 */ MR_TOPGRF(RK_GPIO1, RK_PA2, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(11, 10, 0)), /* I2S1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PC6, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(11, 10, 1)), /* I2S1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(11, 10, 2)), /* I2S1 IO mux selection M2 */ MR_TOPGRF(RK_GPIO2, RK_PC1, RK_FUNC_1, 0x0310, RK_GENMASK_VAL(12, 12, 0)), /* I2S2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PB6, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(12, 12, 1)), /* I2S2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PA2, RK_FUNC_4, 0x0310, RK_GENMASK_VAL(14, 14, 0)), /* I2S3 IO mux selection M0 */ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_5, 0x0310, RK_GENMASK_VAL(14, 14, 1)), /* I2S3 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA4, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(1, 0, 0)), /* PDM IO mux selection M0 */ MR_TOPGRF(RK_GPIO1, RK_PA6, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(1, 0, 0)), /* PDM IO mux selection M0 */ MR_TOPGRF(RK_GPIO3, RK_PD6, RK_FUNC_5, 0x0314, RK_GENMASK_VAL(1, 0, 1)), /* PDM IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PA0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(1, 0, 1)), /* PDM IO mux selection M1 */ MR_TOPGRF(RK_GPIO3, RK_PC4, RK_FUNC_5, 0x0314, RK_GENMASK_VAL(1, 0, 2)), /* PDM IO mux selection M2 */ MR_TOPGRF(RK_GPIO0, RK_PA5, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(3, 2, 0)), /* PCIE20 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PD0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 1)), /* PCIE20 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PB0, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(3, 2, 2)), /* PCIE20 IO mux selection M2 */ MR_TOPGRF(RK_GPIO0, RK_PA4, RK_FUNC_3, 0x0314, RK_GENMASK_VAL(5, 4, 0)), /* PCIE30X1 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PD2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 1)), /* PCIE30X1 IO mux selection M1 */ MR_TOPGRF(RK_GPIO1, RK_PA5, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(5, 4, 2)), /* PCIE30X1 IO mux selection M2 */ MR_TOPGRF(RK_GPIO0, RK_PA6, RK_FUNC_2, 0x0314, RK_GENMASK_VAL(7, 6, 0)), /* PCIE30X2 IO mux selection M0 */ MR_TOPGRF(RK_GPIO2, RK_PD4, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 1)), /* PCIE30X2 IO mux selection M1 */ MR_TOPGRF(RK_GPIO4, RK_PC2, RK_FUNC_4, 0x0314, RK_GENMASK_VAL(7, 6, 2)), /* PCIE30X2 IO mux selection M2 */ }; static int rk3568_set_mux(struct rockchip_pin_bank *bank, int pin, int mux) { struct rockchip_pinctrl_priv *priv = bank->priv; int iomux_num = (pin / 8); struct regmap *regmap; int reg, mask; u8 bit; u32 data, rmask; if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) regmap = priv->regmap_pmu; else regmap = priv->regmap_base; reg = bank->iomux[iomux_num].offset; if ((pin % 8) >= 4) reg += 0x4; bit = (pin % 4) * 4; mask = 0xf; data = (mask << (bit + 16)); rmask = data | (data >> 16); data |= (mux & mask) << bit; return regmap_update_bits(regmap, reg, rmask, data); } #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 void rk3568_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl_priv *info = bank->priv; if (bank->bank_num == 0) { *regmap = info->regmap_pmu; *reg = RK3568_PULL_PMU_OFFSET; *reg += bank->bank_num * RK3568_PULL_BANK_STRIDE; } 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; } #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 void rk3568_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank, int pin_num, struct regmap **regmap, int *reg, u8 *bit) { struct rockchip_pinctrl_priv *info = bank->priv; /* 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; } 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; } #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_priv *info = bank->priv; 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 rk3568_set_pull(struct rockchip_pin_bank *bank, int pin_num, int pull) { struct regmap *regmap; int reg, ret; u8 bit, type; u32 data, rmask; if (pull == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) return -ENOTSUPP; rk3568_calc_pull_reg_and_bit(bank, pin_num, ®map, ®, &bit); type = bank->pull_type[pin_num / 8]; ret = rockchip_translate_pull_value(type, pull); if (ret < 0) { debug("unsupported pull setting %d\n", pull); return ret; } /* * In the TRM, pull-up being 1 for everything except the GPIO0_D3-D6, * where that pull up value becomes 3. */ if (bank->bank_num == 0 && pin_num >= 27 && pin_num <= 30) { if (ret == 1) ret = 3; } /* enable the write to the equivalent lower bits */ data = ((1 << ROCKCHIP_PULL_BITS_PER_PIN) - 1) << (bit + 16); rmask = data | (data >> 16); data |= (ret << bit); return regmap_update_bits(regmap, reg, rmask, data); } #define GRF_GPIO1C5_DS 0x0840 #define GRF_GPIO2A2_DS 0x0844 #define GRF_GPIO2B0_DS 0x0848 #define GRF_GPIO3A0_DS 0x084c #define GRF_GPIO3A6_DS 0x0850 #define GRF_GPIO4A0_DS 0x0854 static int rk3568_set_drive(struct rockchip_pin_bank *bank, int pin_num, int strength) { struct regmap *regmap; int reg, ret; u32 data, rmask; u8 bit; int drv = (1 << (strength + 1)) - 1; rk3568_calc_drv_reg_and_bit(bank, pin_num, ®map, ®, &bit); /* enable the write to the equivalent lower bits */ data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << (bit + 16); rmask = data | (data >> 16); data |= (drv << bit); ret = regmap_update_bits(regmap, reg, rmask, data); if (ret) return ret; if (bank->bank_num == 1 && pin_num == 21) reg = GRF_GPIO1C5_DS; else if (bank->bank_num == 2 && pin_num == 2) reg = GRF_GPIO2A2_DS; else if (bank->bank_num == 2 && pin_num == 8) reg = GRF_GPIO2B0_DS; else if (bank->bank_num == 3 && pin_num == 0) reg = GRF_GPIO3A0_DS; else if (bank->bank_num == 3 && pin_num == 6) reg = GRF_GPIO3A6_DS; else if (bank->bank_num == 4 && pin_num == 0) reg = GRF_GPIO4A0_DS; else return 0; data = ((1 << RK3568_DRV_BITS_PER_PIN) - 1) << 16; rmask = data | (data >> 16); data |= drv >> 6; return regmap_update_bits(regmap, reg, rmask, data); } static int rk3568_set_schmitt(struct rockchip_pin_bank *bank, int pin_num, int enable) { struct regmap *regmap; int reg; u32 data, rmask; u8 bit; rk3568_calc_schmitt_reg_and_bit(bank, pin_num, ®map, ®, &bit); /* enable the write to the equivalent lower bits */ data = ((1 << RK3568_SCHMITT_BITS_PER_PIN) - 1) << (bit + 16); rmask = data | (data >> 16); data |= ((enable ? 0x2 : 0x1) << bit); return regmap_update_bits(regmap, reg, rmask, data); } 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 const struct rockchip_pin_ctrl rk3568_pin_ctrl = { .pin_banks = rk3568_pin_banks, .nr_banks = ARRAY_SIZE(rk3568_pin_banks), .grf_mux_offset = 0x0, .pmu_mux_offset = 0x0, .iomux_routes = rk3568_mux_route_data, .niomux_routes = ARRAY_SIZE(rk3568_mux_route_data), .set_mux = rk3568_set_mux, .set_pull = rk3568_set_pull, .set_drive = rk3568_set_drive, .set_schmitt = rk3568_set_schmitt, }; static const struct udevice_id rk3568_pinctrl_ids[] = { { .compatible = "rockchip,rk3568-pinctrl", .data = (ulong)&rk3568_pin_ctrl }, { } }; U_BOOT_DRIVER(pinctrl_rk3568) = { .name = "rockchip_rk3568_pinctrl", .id = UCLASS_PINCTRL, .of_match = rk3568_pinctrl_ids, .priv_auto = sizeof(struct rockchip_pinctrl_priv), .ops = &rockchip_pinctrl_ops, #if CONFIG_IS_ENABLED(OF_REAL) .bind = dm_scan_fdt_dev, #endif .probe = rockchip_pinctrl_probe, }; |