1 // SPDX-License-Identifier: GPL-2.0+ 2 // 3 // VF610 pinctrl driver based on imx pinmux and pinconf core 4 // 5 // Copyright 2013 Freescale Semiconductor, Inc. 6 7 #include <linux/err.h> 8 #include <linux/init.h> 9 #include <linux/io.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/platform_device.h> 12 #include <linux/pinctrl/pinctrl.h> 13 14 #include "pinctrl-imx.h" 15 16 enum vf610_pads { 17 VF610_PAD_PTA6 = 0, 18 VF610_PAD_PTA8 = 1, 19 VF610_PAD_PTA9 = 2, 20 VF610_PAD_PTA10 = 3, 21 VF610_PAD_PTA11 = 4, 22 VF610_PAD_PTA12 = 5, 23 VF610_PAD_PTA16 = 6, 24 VF610_PAD_PTA17 = 7, 25 VF610_PAD_PTA18 = 8, 26 VF610_PAD_PTA19 = 9, 27 VF610_PAD_PTA20 = 10, 28 VF610_PAD_PTA21 = 11, 29 VF610_PAD_PTA22 = 12, 30 VF610_PAD_PTA23 = 13, 31 VF610_PAD_PTA24 = 14, 32 VF610_PAD_PTA25 = 15, 33 VF610_PAD_PTA26 = 16, 34 VF610_PAD_PTA27 = 17, 35 VF610_PAD_PTA28 = 18, 36 VF610_PAD_PTA29 = 19, 37 VF610_PAD_PTA30 = 20, 38 VF610_PAD_PTA31 = 21, 39 VF610_PAD_PTB0 = 22, 40 VF610_PAD_PTB1 = 23, 41 VF610_PAD_PTB2 = 24, 42 VF610_PAD_PTB3 = 25, 43 VF610_PAD_PTB4 = 26, 44 VF610_PAD_PTB5 = 27, 45 VF610_PAD_PTB6 = 28, 46 VF610_PAD_PTB7 = 29, 47 VF610_PAD_PTB8 = 30, 48 VF610_PAD_PTB9 = 31, 49 VF610_PAD_PTB10 = 32, 50 VF610_PAD_PTB11 = 33, 51 VF610_PAD_PTB12 = 34, 52 VF610_PAD_PTB13 = 35, 53 VF610_PAD_PTB14 = 36, 54 VF610_PAD_PTB15 = 37, 55 VF610_PAD_PTB16 = 38, 56 VF610_PAD_PTB17 = 39, 57 VF610_PAD_PTB18 = 40, 58 VF610_PAD_PTB19 = 41, 59 VF610_PAD_PTB20 = 42, 60 VF610_PAD_PTB21 = 43, 61 VF610_PAD_PTB22 = 44, 62 VF610_PAD_PTC0 = 45, 63 VF610_PAD_PTC1 = 46, 64 VF610_PAD_PTC2 = 47, 65 VF610_PAD_PTC3 = 48, 66 VF610_PAD_PTC4 = 49, 67 VF610_PAD_PTC5 = 50, 68 VF610_PAD_PTC6 = 51, 69 VF610_PAD_PTC7 = 52, 70 VF610_PAD_PTC8 = 53, 71 VF610_PAD_PTC9 = 54, 72 VF610_PAD_PTC10 = 55, 73 VF610_PAD_PTC11 = 56, 74 VF610_PAD_PTC12 = 57, 75 VF610_PAD_PTC13 = 58, 76 VF610_PAD_PTC14 = 59, 77 VF610_PAD_PTC15 = 60, 78 VF610_PAD_PTC16 = 61, 79 VF610_PAD_PTC17 = 62, 80 VF610_PAD_PTD31 = 63, 81 VF610_PAD_PTD30 = 64, 82 VF610_PAD_PTD29 = 65, 83 VF610_PAD_PTD28 = 66, 84 VF610_PAD_PTD27 = 67, 85 VF610_PAD_PTD26 = 68, 86 VF610_PAD_PTD25 = 69, 87 VF610_PAD_PTD24 = 70, 88 VF610_PAD_PTD23 = 71, 89 VF610_PAD_PTD22 = 72, 90 VF610_PAD_PTD21 = 73, 91 VF610_PAD_PTD20 = 74, 92 VF610_PAD_PTD19 = 75, 93 VF610_PAD_PTD18 = 76, 94 VF610_PAD_PTD17 = 77, 95 VF610_PAD_PTD16 = 78, 96 VF610_PAD_PTD0 = 79, 97 VF610_PAD_PTD1 = 80, 98 VF610_PAD_PTD2 = 81, 99 VF610_PAD_PTD3 = 82, 100 VF610_PAD_PTD4 = 83, 101 VF610_PAD_PTD5 = 84, 102 VF610_PAD_PTD6 = 85, 103 VF610_PAD_PTD7 = 86, 104 VF610_PAD_PTD8 = 87, 105 VF610_PAD_PTD9 = 88, 106 VF610_PAD_PTD10 = 89, 107 VF610_PAD_PTD11 = 90, 108 VF610_PAD_PTD12 = 91, 109 VF610_PAD_PTD13 = 92, 110 VF610_PAD_PTB23 = 93, 111 VF610_PAD_PTB24 = 94, 112 VF610_PAD_PTB25 = 95, 113 VF610_PAD_PTB26 = 96, 114 VF610_PAD_PTB27 = 97, 115 VF610_PAD_PTB28 = 98, 116 VF610_PAD_PTC26 = 99, 117 VF610_PAD_PTC27 = 100, 118 VF610_PAD_PTC28 = 101, 119 VF610_PAD_PTC29 = 102, 120 VF610_PAD_PTC30 = 103, 121 VF610_PAD_PTC31 = 104, 122 VF610_PAD_PTE0 = 105, 123 VF610_PAD_PTE1 = 106, 124 VF610_PAD_PTE2 = 107, 125 VF610_PAD_PTE3 = 108, 126 VF610_PAD_PTE4 = 109, 127 VF610_PAD_PTE5 = 110, 128 VF610_PAD_PTE6 = 111, 129 VF610_PAD_PTE7 = 112, 130 VF610_PAD_PTE8 = 113, 131 VF610_PAD_PTE9 = 114, 132 VF610_PAD_PTE10 = 115, 133 VF610_PAD_PTE11 = 116, 134 VF610_PAD_PTE12 = 117, 135 VF610_PAD_PTE13 = 118, 136 VF610_PAD_PTE14 = 119, 137 VF610_PAD_PTE15 = 120, 138 VF610_PAD_PTE16 = 121, 139 VF610_PAD_PTE17 = 122, 140 VF610_PAD_PTE18 = 123, 141 VF610_PAD_PTE19 = 124, 142 VF610_PAD_PTE20 = 125, 143 VF610_PAD_PTE21 = 126, 144 VF610_PAD_PTE22 = 127, 145 VF610_PAD_PTE23 = 128, 146 VF610_PAD_PTE24 = 129, 147 VF610_PAD_PTE25 = 130, 148 VF610_PAD_PTE26 = 131, 149 VF610_PAD_PTE27 = 132, 150 VF610_PAD_PTE28 = 133, 151 VF610_PAD_PTA7 = 134, 152 }; 153 154 /* Pad names for the pinmux subsystem */ 155 static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = { 156 IMX_PINCTRL_PIN(VF610_PAD_PTA6), 157 IMX_PINCTRL_PIN(VF610_PAD_PTA8), 158 IMX_PINCTRL_PIN(VF610_PAD_PTA9), 159 IMX_PINCTRL_PIN(VF610_PAD_PTA10), 160 IMX_PINCTRL_PIN(VF610_PAD_PTA11), 161 IMX_PINCTRL_PIN(VF610_PAD_PTA12), 162 IMX_PINCTRL_PIN(VF610_PAD_PTA16), 163 IMX_PINCTRL_PIN(VF610_PAD_PTA17), 164 IMX_PINCTRL_PIN(VF610_PAD_PTA18), 165 IMX_PINCTRL_PIN(VF610_PAD_PTA19), 166 IMX_PINCTRL_PIN(VF610_PAD_PTA20), 167 IMX_PINCTRL_PIN(VF610_PAD_PTA21), 168 IMX_PINCTRL_PIN(VF610_PAD_PTA22), 169 IMX_PINCTRL_PIN(VF610_PAD_PTA23), 170 IMX_PINCTRL_PIN(VF610_PAD_PTA24), 171 IMX_PINCTRL_PIN(VF610_PAD_PTA25), 172 IMX_PINCTRL_PIN(VF610_PAD_PTA26), 173 IMX_PINCTRL_PIN(VF610_PAD_PTA27), 174 IMX_PINCTRL_PIN(VF610_PAD_PTA28), 175 IMX_PINCTRL_PIN(VF610_PAD_PTA29), 176 IMX_PINCTRL_PIN(VF610_PAD_PTA30), 177 IMX_PINCTRL_PIN(VF610_PAD_PTA31), 178 IMX_PINCTRL_PIN(VF610_PAD_PTB0), 179 IMX_PINCTRL_PIN(VF610_PAD_PTB1), 180 IMX_PINCTRL_PIN(VF610_PAD_PTB2), 181 IMX_PINCTRL_PIN(VF610_PAD_PTB3), 182 IMX_PINCTRL_PIN(VF610_PAD_PTB4), 183 IMX_PINCTRL_PIN(VF610_PAD_PTB5), 184 IMX_PINCTRL_PIN(VF610_PAD_PTB6), 185 IMX_PINCTRL_PIN(VF610_PAD_PTB7), 186 IMX_PINCTRL_PIN(VF610_PAD_PTB8), 187 IMX_PINCTRL_PIN(VF610_PAD_PTB9), 188 IMX_PINCTRL_PIN(VF610_PAD_PTB10), 189 IMX_PINCTRL_PIN(VF610_PAD_PTB11), 190 IMX_PINCTRL_PIN(VF610_PAD_PTB12), 191 IMX_PINCTRL_PIN(VF610_PAD_PTB13), 192 IMX_PINCTRL_PIN(VF610_PAD_PTB14), 193 IMX_PINCTRL_PIN(VF610_PAD_PTB15), 194 IMX_PINCTRL_PIN(VF610_PAD_PTB16), 195 IMX_PINCTRL_PIN(VF610_PAD_PTB17), 196 IMX_PINCTRL_PIN(VF610_PAD_PTB18), 197 IMX_PINCTRL_PIN(VF610_PAD_PTB19), 198 IMX_PINCTRL_PIN(VF610_PAD_PTB20), 199 IMX_PINCTRL_PIN(VF610_PAD_PTB21), 200 IMX_PINCTRL_PIN(VF610_PAD_PTB22), 201 IMX_PINCTRL_PIN(VF610_PAD_PTC0), 202 IMX_PINCTRL_PIN(VF610_PAD_PTC1), 203 IMX_PINCTRL_PIN(VF610_PAD_PTC2), 204 IMX_PINCTRL_PIN(VF610_PAD_PTC3), 205 IMX_PINCTRL_PIN(VF610_PAD_PTC4), 206 IMX_PINCTRL_PIN(VF610_PAD_PTC5), 207 IMX_PINCTRL_PIN(VF610_PAD_PTC6), 208 IMX_PINCTRL_PIN(VF610_PAD_PTC7), 209 IMX_PINCTRL_PIN(VF610_PAD_PTC8), 210 IMX_PINCTRL_PIN(VF610_PAD_PTC9), 211 IMX_PINCTRL_PIN(VF610_PAD_PTC10), 212 IMX_PINCTRL_PIN(VF610_PAD_PTC11), 213 IMX_PINCTRL_PIN(VF610_PAD_PTC12), 214 IMX_PINCTRL_PIN(VF610_PAD_PTC13), 215 IMX_PINCTRL_PIN(VF610_PAD_PTC14), 216 IMX_PINCTRL_PIN(VF610_PAD_PTC15), 217 IMX_PINCTRL_PIN(VF610_PAD_PTC16), 218 IMX_PINCTRL_PIN(VF610_PAD_PTC17), 219 IMX_PINCTRL_PIN(VF610_PAD_PTD31), 220 IMX_PINCTRL_PIN(VF610_PAD_PTD30), 221 IMX_PINCTRL_PIN(VF610_PAD_PTD29), 222 IMX_PINCTRL_PIN(VF610_PAD_PTD28), 223 IMX_PINCTRL_PIN(VF610_PAD_PTD27), 224 IMX_PINCTRL_PIN(VF610_PAD_PTD26), 225 IMX_PINCTRL_PIN(VF610_PAD_PTD25), 226 IMX_PINCTRL_PIN(VF610_PAD_PTD24), 227 IMX_PINCTRL_PIN(VF610_PAD_PTD23), 228 IMX_PINCTRL_PIN(VF610_PAD_PTD22), 229 IMX_PINCTRL_PIN(VF610_PAD_PTD21), 230 IMX_PINCTRL_PIN(VF610_PAD_PTD20), 231 IMX_PINCTRL_PIN(VF610_PAD_PTD19), 232 IMX_PINCTRL_PIN(VF610_PAD_PTD18), 233 IMX_PINCTRL_PIN(VF610_PAD_PTD17), 234 IMX_PINCTRL_PIN(VF610_PAD_PTD16), 235 IMX_PINCTRL_PIN(VF610_PAD_PTD0), 236 IMX_PINCTRL_PIN(VF610_PAD_PTD1), 237 IMX_PINCTRL_PIN(VF610_PAD_PTD2), 238 IMX_PINCTRL_PIN(VF610_PAD_PTD3), 239 IMX_PINCTRL_PIN(VF610_PAD_PTD4), 240 IMX_PINCTRL_PIN(VF610_PAD_PTD5), 241 IMX_PINCTRL_PIN(VF610_PAD_PTD6), 242 IMX_PINCTRL_PIN(VF610_PAD_PTD7), 243 IMX_PINCTRL_PIN(VF610_PAD_PTD8), 244 IMX_PINCTRL_PIN(VF610_PAD_PTD9), 245 IMX_PINCTRL_PIN(VF610_PAD_PTD10), 246 IMX_PINCTRL_PIN(VF610_PAD_PTD11), 247 IMX_PINCTRL_PIN(VF610_PAD_PTD12), 248 IMX_PINCTRL_PIN(VF610_PAD_PTD13), 249 IMX_PINCTRL_PIN(VF610_PAD_PTB23), 250 IMX_PINCTRL_PIN(VF610_PAD_PTB24), 251 IMX_PINCTRL_PIN(VF610_PAD_PTB25), 252 IMX_PINCTRL_PIN(VF610_PAD_PTB26), 253 IMX_PINCTRL_PIN(VF610_PAD_PTB27), 254 IMX_PINCTRL_PIN(VF610_PAD_PTB28), 255 IMX_PINCTRL_PIN(VF610_PAD_PTC26), 256 IMX_PINCTRL_PIN(VF610_PAD_PTC27), 257 IMX_PINCTRL_PIN(VF610_PAD_PTC28), 258 IMX_PINCTRL_PIN(VF610_PAD_PTC29), 259 IMX_PINCTRL_PIN(VF610_PAD_PTC30), 260 IMX_PINCTRL_PIN(VF610_PAD_PTC31), 261 IMX_PINCTRL_PIN(VF610_PAD_PTE0), 262 IMX_PINCTRL_PIN(VF610_PAD_PTE1), 263 IMX_PINCTRL_PIN(VF610_PAD_PTE2), 264 IMX_PINCTRL_PIN(VF610_PAD_PTE3), 265 IMX_PINCTRL_PIN(VF610_PAD_PTE4), 266 IMX_PINCTRL_PIN(VF610_PAD_PTE5), 267 IMX_PINCTRL_PIN(VF610_PAD_PTE6), 268 IMX_PINCTRL_PIN(VF610_PAD_PTE7), 269 IMX_PINCTRL_PIN(VF610_PAD_PTE8), 270 IMX_PINCTRL_PIN(VF610_PAD_PTE9), 271 IMX_PINCTRL_PIN(VF610_PAD_PTE10), 272 IMX_PINCTRL_PIN(VF610_PAD_PTE11), 273 IMX_PINCTRL_PIN(VF610_PAD_PTE12), 274 IMX_PINCTRL_PIN(VF610_PAD_PTE13), 275 IMX_PINCTRL_PIN(VF610_PAD_PTE14), 276 IMX_PINCTRL_PIN(VF610_PAD_PTE15), 277 IMX_PINCTRL_PIN(VF610_PAD_PTE16), 278 IMX_PINCTRL_PIN(VF610_PAD_PTE17), 279 IMX_PINCTRL_PIN(VF610_PAD_PTE18), 280 IMX_PINCTRL_PIN(VF610_PAD_PTE19), 281 IMX_PINCTRL_PIN(VF610_PAD_PTE20), 282 IMX_PINCTRL_PIN(VF610_PAD_PTE21), 283 IMX_PINCTRL_PIN(VF610_PAD_PTE22), 284 IMX_PINCTRL_PIN(VF610_PAD_PTE23), 285 IMX_PINCTRL_PIN(VF610_PAD_PTE24), 286 IMX_PINCTRL_PIN(VF610_PAD_PTE25), 287 IMX_PINCTRL_PIN(VF610_PAD_PTE26), 288 IMX_PINCTRL_PIN(VF610_PAD_PTE27), 289 IMX_PINCTRL_PIN(VF610_PAD_PTE28), 290 IMX_PINCTRL_PIN(VF610_PAD_PTA7), 291 }; 292 293 static int vf610_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, 294 struct pinctrl_gpio_range *range, 295 unsigned offset, bool input) 296 { 297 struct imx_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev); 298 const struct imx_pin_reg *pin_reg; 299 u32 reg; 300 301 pin_reg = &ipctl->pin_regs[offset]; 302 if (pin_reg->mux_reg == -1) 303 return -EINVAL; 304 305 /* IBE always enabled allows us to read the value "on the wire" */ 306 reg = readl(ipctl->base + pin_reg->mux_reg); 307 if (input) 308 reg &= ~0x2; 309 else 310 reg |= 0x2; 311 writel(reg, ipctl->base + pin_reg->mux_reg); 312 313 return 0; 314 } 315 316 static const struct imx_pinctrl_soc_info vf610_pinctrl_info = { 317 .pins = vf610_pinctrl_pads, 318 .npins = ARRAY_SIZE(vf610_pinctrl_pads), 319 .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID, 320 .gpio_set_direction = vf610_pmx_gpio_set_direction, 321 .mux_mask = 0x700000, 322 .mux_shift = 20, 323 }; 324 325 static const struct of_device_id vf610_pinctrl_of_match[] = { 326 { .compatible = "fsl,vf610-iomuxc", }, 327 { /* sentinel */ } 328 }; 329 330 static int vf610_pinctrl_probe(struct platform_device *pdev) 331 { 332 return imx_pinctrl_probe(pdev, &vf610_pinctrl_info); 333 } 334 335 static struct platform_driver vf610_pinctrl_driver = { 336 .driver = { 337 .name = "vf610-pinctrl", 338 .of_match_table = vf610_pinctrl_of_match, 339 .suppress_bind_attrs = true, 340 }, 341 .probe = vf610_pinctrl_probe, 342 }; 343 344 static int __init vf610_pinctrl_init(void) 345 { 346 return platform_driver_register(&vf610_pinctrl_driver); 347 } 348 arch_initcall(vf610_pinctrl_init); 349