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