1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <linux/module.h> 4 #include <linux/platform_device.h> 5 #include <linux/of.h> 6 #include "pinctrl-mtmips.h" 7 8 #define MT76X8_GPIO_MODE_MASK 0x3 9 10 #define MT76X8_GPIO_MODE_P4LED_KN 58 11 #define MT76X8_GPIO_MODE_P3LED_KN 56 12 #define MT76X8_GPIO_MODE_P2LED_KN 54 13 #define MT76X8_GPIO_MODE_P1LED_KN 52 14 #define MT76X8_GPIO_MODE_P0LED_KN 50 15 #define MT76X8_GPIO_MODE_WLED_KN 48 16 #define MT76X8_GPIO_MODE_P4LED_AN 42 17 #define MT76X8_GPIO_MODE_P3LED_AN 40 18 #define MT76X8_GPIO_MODE_P2LED_AN 38 19 #define MT76X8_GPIO_MODE_P1LED_AN 36 20 #define MT76X8_GPIO_MODE_P0LED_AN 34 21 #define MT76X8_GPIO_MODE_WLED_AN 32 22 #define MT76X8_GPIO_MODE_PWM1 30 23 #define MT76X8_GPIO_MODE_PWM0 28 24 #define MT76X8_GPIO_MODE_UART2 26 25 #define MT76X8_GPIO_MODE_UART1 24 26 #define MT76X8_GPIO_MODE_I2C 20 27 #define MT76X8_GPIO_MODE_REFCLK 18 28 #define MT76X8_GPIO_MODE_PERST 16 29 #define MT76X8_GPIO_MODE_WDT 14 30 #define MT76X8_GPIO_MODE_SPI 12 31 #define MT76X8_GPIO_MODE_SDMODE 10 32 #define MT76X8_GPIO_MODE_UART0 8 33 #define MT76X8_GPIO_MODE_I2S 6 34 #define MT76X8_GPIO_MODE_CS1 4 35 #define MT76X8_GPIO_MODE_SPIS 2 36 #define MT76X8_GPIO_MODE_GPIO 0 37 38 static struct mtmips_pmx_func pwm1_grp[] = { 39 FUNC("sdxc d6", 3, 19, 1), 40 FUNC("utif", 2, 19, 1), 41 FUNC("gpio", 1, 19, 1), 42 FUNC("pwm1", 0, 19, 1), 43 }; 44 45 static struct mtmips_pmx_func pwm0_grp[] = { 46 FUNC("sdxc d7", 3, 18, 1), 47 FUNC("utif", 2, 18, 1), 48 FUNC("gpio", 1, 18, 1), 49 FUNC("pwm0", 0, 18, 1), 50 }; 51 52 static struct mtmips_pmx_func uart2_grp[] = { 53 FUNC("sdxc d5 d4", 3, 20, 2), 54 FUNC("pwm", 2, 20, 2), 55 FUNC("gpio", 1, 20, 2), 56 FUNC("uart2", 0, 20, 2), 57 }; 58 59 static struct mtmips_pmx_func uart1_grp[] = { 60 FUNC("sw_r", 3, 45, 2), 61 FUNC("pwm", 2, 45, 2), 62 FUNC("gpio", 1, 45, 2), 63 FUNC("uart1", 0, 45, 2), 64 }; 65 66 static struct mtmips_pmx_func i2c_grp[] = { 67 FUNC("-", 3, 4, 2), 68 FUNC("debug", 2, 4, 2), 69 FUNC("gpio", 1, 4, 2), 70 FUNC("i2c", 0, 4, 2), 71 }; 72 73 static struct mtmips_pmx_func refclk_grp[] = { FUNC("refclk", 0, 37, 1) }; 74 static struct mtmips_pmx_func perst_grp[] = { FUNC("perst", 0, 36, 1) }; 75 static struct mtmips_pmx_func wdt_grp[] = { FUNC("wdt", 0, 38, 1) }; 76 static struct mtmips_pmx_func spi_grp[] = { FUNC("spi", 0, 7, 4) }; 77 78 static struct mtmips_pmx_func sd_mode_grp[] = { 79 FUNC("jtag", 3, 22, 8), 80 FUNC("utif", 2, 22, 8), 81 FUNC("gpio", 1, 22, 8), 82 FUNC("sdxc", 0, 22, 8), 83 }; 84 85 static struct mtmips_pmx_func uart0_grp[] = { 86 FUNC("-", 3, 12, 2), 87 FUNC("-", 2, 12, 2), 88 FUNC("gpio", 1, 12, 2), 89 FUNC("uart0", 0, 12, 2), 90 }; 91 92 static struct mtmips_pmx_func i2s_grp[] = { 93 FUNC("antenna", 3, 0, 4), 94 FUNC("pcm", 2, 0, 4), 95 FUNC("gpio", 1, 0, 4), 96 FUNC("i2s", 0, 0, 4), 97 }; 98 99 static struct mtmips_pmx_func spi_cs1_grp[] = { 100 FUNC("-", 3, 6, 1), 101 FUNC("refclk", 2, 6, 1), 102 FUNC("gpio", 1, 6, 1), 103 FUNC("spi cs1", 0, 6, 1), 104 }; 105 106 static struct mtmips_pmx_func spis_grp[] = { 107 FUNC("pwm_uart2", 3, 14, 4), 108 FUNC("utif", 2, 14, 4), 109 FUNC("gpio", 1, 14, 4), 110 FUNC("spis", 0, 14, 4), 111 }; 112 113 static struct mtmips_pmx_func gpio_grp[] = { 114 FUNC("pcie", 3, 11, 1), 115 FUNC("refclk", 2, 11, 1), 116 FUNC("gpio", 1, 11, 1), 117 FUNC("gpio", 0, 11, 1), 118 }; 119 120 static struct mtmips_pmx_func p4led_kn_grp[] = { 121 FUNC("jtag", 3, 30, 1), 122 FUNC("utif", 2, 30, 1), 123 FUNC("gpio", 1, 30, 1), 124 FUNC("p4led_kn", 0, 30, 1), 125 }; 126 127 static struct mtmips_pmx_func p3led_kn_grp[] = { 128 FUNC("jtag", 3, 31, 1), 129 FUNC("utif", 2, 31, 1), 130 FUNC("gpio", 1, 31, 1), 131 FUNC("p3led_kn", 0, 31, 1), 132 }; 133 134 static struct mtmips_pmx_func p2led_kn_grp[] = { 135 FUNC("jtag", 3, 32, 1), 136 FUNC("utif", 2, 32, 1), 137 FUNC("gpio", 1, 32, 1), 138 FUNC("p2led_kn", 0, 32, 1), 139 }; 140 141 static struct mtmips_pmx_func p1led_kn_grp[] = { 142 FUNC("jtag", 3, 33, 1), 143 FUNC("utif", 2, 33, 1), 144 FUNC("gpio", 1, 33, 1), 145 FUNC("p1led_kn", 0, 33, 1), 146 }; 147 148 static struct mtmips_pmx_func p0led_kn_grp[] = { 149 FUNC("jtag", 3, 34, 1), 150 FUNC("rsvd", 2, 34, 1), 151 FUNC("gpio", 1, 34, 1), 152 FUNC("p0led_kn", 0, 34, 1), 153 }; 154 155 static struct mtmips_pmx_func wled_kn_grp[] = { 156 FUNC("rsvd", 3, 35, 1), 157 FUNC("rsvd", 2, 35, 1), 158 FUNC("gpio", 1, 35, 1), 159 FUNC("wled_kn", 0, 35, 1), 160 }; 161 162 static struct mtmips_pmx_func p4led_an_grp[] = { 163 FUNC("jtag", 3, 39, 1), 164 FUNC("utif", 2, 39, 1), 165 FUNC("gpio", 1, 39, 1), 166 FUNC("p4led_an", 0, 39, 1), 167 }; 168 169 static struct mtmips_pmx_func p3led_an_grp[] = { 170 FUNC("jtag", 3, 40, 1), 171 FUNC("utif", 2, 40, 1), 172 FUNC("gpio", 1, 40, 1), 173 FUNC("p3led_an", 0, 40, 1), 174 }; 175 176 static struct mtmips_pmx_func p2led_an_grp[] = { 177 FUNC("jtag", 3, 41, 1), 178 FUNC("utif", 2, 41, 1), 179 FUNC("gpio", 1, 41, 1), 180 FUNC("p2led_an", 0, 41, 1), 181 }; 182 183 static struct mtmips_pmx_func p1led_an_grp[] = { 184 FUNC("jtag", 3, 42, 1), 185 FUNC("utif", 2, 42, 1), 186 FUNC("gpio", 1, 42, 1), 187 FUNC("p1led_an", 0, 42, 1), 188 }; 189 190 static struct mtmips_pmx_func p0led_an_grp[] = { 191 FUNC("jtag", 3, 43, 1), 192 FUNC("rsvd", 2, 43, 1), 193 FUNC("gpio", 1, 43, 1), 194 FUNC("p0led_an", 0, 43, 1), 195 }; 196 197 static struct mtmips_pmx_func wled_an_grp[] = { 198 FUNC("rsvd", 3, 44, 1), 199 FUNC("rsvd", 2, 44, 1), 200 FUNC("gpio", 1, 44, 1), 201 FUNC("wled_an", 0, 44, 1), 202 }; 203 204 static struct mtmips_pmx_group mt76x8_pinmux_data[] = { 205 GRP_G("pwm1", pwm1_grp, MT76X8_GPIO_MODE_MASK, 206 1, MT76X8_GPIO_MODE_PWM1), 207 GRP_G("pwm0", pwm0_grp, MT76X8_GPIO_MODE_MASK, 208 1, MT76X8_GPIO_MODE_PWM0), 209 GRP_G("uart2", uart2_grp, MT76X8_GPIO_MODE_MASK, 210 1, MT76X8_GPIO_MODE_UART2), 211 GRP_G("uart1", uart1_grp, MT76X8_GPIO_MODE_MASK, 212 1, MT76X8_GPIO_MODE_UART1), 213 GRP_G("i2c", i2c_grp, MT76X8_GPIO_MODE_MASK, 214 1, MT76X8_GPIO_MODE_I2C), 215 GRP("refclk", refclk_grp, 1, MT76X8_GPIO_MODE_REFCLK), 216 GRP("perst", perst_grp, 1, MT76X8_GPIO_MODE_PERST), 217 GRP("wdt", wdt_grp, 1, MT76X8_GPIO_MODE_WDT), 218 GRP("spi", spi_grp, 1, MT76X8_GPIO_MODE_SPI), 219 GRP_G("sdmode", sd_mode_grp, MT76X8_GPIO_MODE_MASK, 220 1, MT76X8_GPIO_MODE_SDMODE), 221 GRP_G("uart0", uart0_grp, MT76X8_GPIO_MODE_MASK, 222 1, MT76X8_GPIO_MODE_UART0), 223 GRP_G("i2s", i2s_grp, MT76X8_GPIO_MODE_MASK, 224 1, MT76X8_GPIO_MODE_I2S), 225 GRP_G("spi cs1", spi_cs1_grp, MT76X8_GPIO_MODE_MASK, 226 1, MT76X8_GPIO_MODE_CS1), 227 GRP_G("spis", spis_grp, MT76X8_GPIO_MODE_MASK, 228 1, MT76X8_GPIO_MODE_SPIS), 229 GRP_G("gpio", gpio_grp, MT76X8_GPIO_MODE_MASK, 230 1, MT76X8_GPIO_MODE_GPIO), 231 GRP_G("wled_an", wled_an_grp, MT76X8_GPIO_MODE_MASK, 232 1, MT76X8_GPIO_MODE_WLED_AN), 233 GRP_G("p0led_an", p0led_an_grp, MT76X8_GPIO_MODE_MASK, 234 1, MT76X8_GPIO_MODE_P0LED_AN), 235 GRP_G("p1led_an", p1led_an_grp, MT76X8_GPIO_MODE_MASK, 236 1, MT76X8_GPIO_MODE_P1LED_AN), 237 GRP_G("p2led_an", p2led_an_grp, MT76X8_GPIO_MODE_MASK, 238 1, MT76X8_GPIO_MODE_P2LED_AN), 239 GRP_G("p3led_an", p3led_an_grp, MT76X8_GPIO_MODE_MASK, 240 1, MT76X8_GPIO_MODE_P3LED_AN), 241 GRP_G("p4led_an", p4led_an_grp, MT76X8_GPIO_MODE_MASK, 242 1, MT76X8_GPIO_MODE_P4LED_AN), 243 GRP_G("wled_kn", wled_kn_grp, MT76X8_GPIO_MODE_MASK, 244 1, MT76X8_GPIO_MODE_WLED_KN), 245 GRP_G("p0led_kn", p0led_kn_grp, MT76X8_GPIO_MODE_MASK, 246 1, MT76X8_GPIO_MODE_P0LED_KN), 247 GRP_G("p1led_kn", p1led_kn_grp, MT76X8_GPIO_MODE_MASK, 248 1, MT76X8_GPIO_MODE_P1LED_KN), 249 GRP_G("p2led_kn", p2led_kn_grp, MT76X8_GPIO_MODE_MASK, 250 1, MT76X8_GPIO_MODE_P2LED_KN), 251 GRP_G("p3led_kn", p3led_kn_grp, MT76X8_GPIO_MODE_MASK, 252 1, MT76X8_GPIO_MODE_P3LED_KN), 253 GRP_G("p4led_kn", p4led_kn_grp, MT76X8_GPIO_MODE_MASK, 254 1, MT76X8_GPIO_MODE_P4LED_KN), 255 { 0 } 256 }; 257 258 static int mt76x8_pinctrl_probe(struct platform_device *pdev) 259 { 260 return mtmips_pinctrl_init(pdev, mt76x8_pinmux_data); 261 } 262 263 static const struct of_device_id mt76x8_pinctrl_match[] = { 264 { .compatible = "ralink,mt76x8-pinctrl" }, 265 { .compatible = "ralink,mt7620-pinctrl" }, 266 { .compatible = "ralink,rt2880-pinmux" }, 267 {} 268 }; 269 MODULE_DEVICE_TABLE(of, mt76x8_pinctrl_match); 270 271 static struct platform_driver mt76x8_pinctrl_driver = { 272 .probe = mt76x8_pinctrl_probe, 273 .driver = { 274 .name = "mt76x8-pinctrl", 275 .of_match_table = mt76x8_pinctrl_match, 276 }, 277 }; 278 279 static int __init mt76x8_pinctrl_init(void) 280 { 281 return platform_driver_register(&mt76x8_pinctrl_driver); 282 } 283 core_initcall_sync(mt76x8_pinctrl_init); 284