1 /* 2 * Driver for the ST Microelectronics SPEAr300 pinmux 3 * 4 * Copyright (C) 2012 ST Microelectronics 5 * Viresh Kumar <vireshk@kernel.org> 6 * 7 * This file is licensed under the terms of the GNU General Public 8 * License version 2. This program is licensed "as is" without any 9 * warranty of any kind, whether express or implied. 10 */ 11 12 #include <linux/err.h> 13 #include <linux/init.h> 14 #include <linux/of_device.h> 15 #include <linux/platform_device.h> 16 #include "pinctrl-spear3xx.h" 17 18 #define DRIVER_NAME "spear300-pinmux" 19 20 /* addresses */ 21 #define PMX_CONFIG_REG 0x00 22 #define MODE_CONFIG_REG 0x04 23 24 /* modes */ 25 #define NAND_MODE (1 << 0) 26 #define NOR_MODE (1 << 1) 27 #define PHOTO_FRAME_MODE (1 << 2) 28 #define LEND_IP_PHONE_MODE (1 << 3) 29 #define HEND_IP_PHONE_MODE (1 << 4) 30 #define LEND_WIFI_PHONE_MODE (1 << 5) 31 #define HEND_WIFI_PHONE_MODE (1 << 6) 32 #define ATA_PABX_WI2S_MODE (1 << 7) 33 #define ATA_PABX_I2S_MODE (1 << 8) 34 #define CAML_LCDW_MODE (1 << 9) 35 #define CAMU_LCD_MODE (1 << 10) 36 #define CAMU_WLCD_MODE (1 << 11) 37 #define CAML_LCD_MODE (1 << 12) 38 39 static struct spear_pmx_mode pmx_mode_nand = { 40 .name = "nand", 41 .mode = NAND_MODE, 42 .reg = MODE_CONFIG_REG, 43 .mask = 0x0000000F, 44 .val = 0x00, 45 }; 46 47 static struct spear_pmx_mode pmx_mode_nor = { 48 .name = "nor", 49 .mode = NOR_MODE, 50 .reg = MODE_CONFIG_REG, 51 .mask = 0x0000000F, 52 .val = 0x01, 53 }; 54 55 static struct spear_pmx_mode pmx_mode_photo_frame = { 56 .name = "photo frame mode", 57 .mode = PHOTO_FRAME_MODE, 58 .reg = MODE_CONFIG_REG, 59 .mask = 0x0000000F, 60 .val = 0x02, 61 }; 62 63 static struct spear_pmx_mode pmx_mode_lend_ip_phone = { 64 .name = "lend ip phone mode", 65 .mode = LEND_IP_PHONE_MODE, 66 .reg = MODE_CONFIG_REG, 67 .mask = 0x0000000F, 68 .val = 0x03, 69 }; 70 71 static struct spear_pmx_mode pmx_mode_hend_ip_phone = { 72 .name = "hend ip phone mode", 73 .mode = HEND_IP_PHONE_MODE, 74 .reg = MODE_CONFIG_REG, 75 .mask = 0x0000000F, 76 .val = 0x04, 77 }; 78 79 static struct spear_pmx_mode pmx_mode_lend_wifi_phone = { 80 .name = "lend wifi phone mode", 81 .mode = LEND_WIFI_PHONE_MODE, 82 .reg = MODE_CONFIG_REG, 83 .mask = 0x0000000F, 84 .val = 0x05, 85 }; 86 87 static struct spear_pmx_mode pmx_mode_hend_wifi_phone = { 88 .name = "hend wifi phone mode", 89 .mode = HEND_WIFI_PHONE_MODE, 90 .reg = MODE_CONFIG_REG, 91 .mask = 0x0000000F, 92 .val = 0x06, 93 }; 94 95 static struct spear_pmx_mode pmx_mode_ata_pabx_wi2s = { 96 .name = "ata pabx wi2s mode", 97 .mode = ATA_PABX_WI2S_MODE, 98 .reg = MODE_CONFIG_REG, 99 .mask = 0x0000000F, 100 .val = 0x07, 101 }; 102 103 static struct spear_pmx_mode pmx_mode_ata_pabx_i2s = { 104 .name = "ata pabx i2s mode", 105 .mode = ATA_PABX_I2S_MODE, 106 .reg = MODE_CONFIG_REG, 107 .mask = 0x0000000F, 108 .val = 0x08, 109 }; 110 111 static struct spear_pmx_mode pmx_mode_caml_lcdw = { 112 .name = "caml lcdw mode", 113 .mode = CAML_LCDW_MODE, 114 .reg = MODE_CONFIG_REG, 115 .mask = 0x0000000F, 116 .val = 0x0C, 117 }; 118 119 static struct spear_pmx_mode pmx_mode_camu_lcd = { 120 .name = "camu lcd mode", 121 .mode = CAMU_LCD_MODE, 122 .reg = MODE_CONFIG_REG, 123 .mask = 0x0000000F, 124 .val = 0x0D, 125 }; 126 127 static struct spear_pmx_mode pmx_mode_camu_wlcd = { 128 .name = "camu wlcd mode", 129 .mode = CAMU_WLCD_MODE, 130 .reg = MODE_CONFIG_REG, 131 .mask = 0x0000000F, 132 .val = 0xE, 133 }; 134 135 static struct spear_pmx_mode pmx_mode_caml_lcd = { 136 .name = "caml lcd mode", 137 .mode = CAML_LCD_MODE, 138 .reg = MODE_CONFIG_REG, 139 .mask = 0x0000000F, 140 .val = 0x0F, 141 }; 142 143 static struct spear_pmx_mode *spear300_pmx_modes[] = { 144 &pmx_mode_nand, 145 &pmx_mode_nor, 146 &pmx_mode_photo_frame, 147 &pmx_mode_lend_ip_phone, 148 &pmx_mode_hend_ip_phone, 149 &pmx_mode_lend_wifi_phone, 150 &pmx_mode_hend_wifi_phone, 151 &pmx_mode_ata_pabx_wi2s, 152 &pmx_mode_ata_pabx_i2s, 153 &pmx_mode_caml_lcdw, 154 &pmx_mode_camu_lcd, 155 &pmx_mode_camu_wlcd, 156 &pmx_mode_caml_lcd, 157 }; 158 159 /* fsmc_2chips_pins */ 160 static const unsigned fsmc_2chips_pins[] = { 1, 97 }; 161 static struct spear_muxreg fsmc_2chips_muxreg[] = { 162 { 163 .reg = PMX_CONFIG_REG, 164 .mask = PMX_FIRDA_MASK, 165 .val = 0, 166 }, 167 }; 168 169 static struct spear_modemux fsmc_2chips_modemux[] = { 170 { 171 .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | 172 ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, 173 .muxregs = fsmc_2chips_muxreg, 174 .nmuxregs = ARRAY_SIZE(fsmc_2chips_muxreg), 175 }, 176 }; 177 178 static struct spear_pingroup fsmc_2chips_pingroup = { 179 .name = "fsmc_2chips_grp", 180 .pins = fsmc_2chips_pins, 181 .npins = ARRAY_SIZE(fsmc_2chips_pins), 182 .modemuxs = fsmc_2chips_modemux, 183 .nmodemuxs = ARRAY_SIZE(fsmc_2chips_modemux), 184 }; 185 186 /* fsmc_4chips_pins */ 187 static const unsigned fsmc_4chips_pins[] = { 1, 2, 3, 97 }; 188 static struct spear_muxreg fsmc_4chips_muxreg[] = { 189 { 190 .reg = PMX_CONFIG_REG, 191 .mask = PMX_FIRDA_MASK | PMX_UART0_MASK, 192 .val = 0, 193 }, 194 }; 195 196 static struct spear_modemux fsmc_4chips_modemux[] = { 197 { 198 .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE | 199 ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE, 200 .muxregs = fsmc_4chips_muxreg, 201 .nmuxregs = ARRAY_SIZE(fsmc_4chips_muxreg), 202 }, 203 }; 204 205 static struct spear_pingroup fsmc_4chips_pingroup = { 206 .name = "fsmc_4chips_grp", 207 .pins = fsmc_4chips_pins, 208 .npins = ARRAY_SIZE(fsmc_4chips_pins), 209 .modemuxs = fsmc_4chips_modemux, 210 .nmodemuxs = ARRAY_SIZE(fsmc_4chips_modemux), 211 }; 212 213 static const char *const fsmc_grps[] = { "fsmc_2chips_grp", "fsmc_4chips_grp" 214 }; 215 static struct spear_function fsmc_function = { 216 .name = "fsmc", 217 .groups = fsmc_grps, 218 .ngroups = ARRAY_SIZE(fsmc_grps), 219 }; 220 221 /* clcd_lcdmode_pins */ 222 static const unsigned clcd_lcdmode_pins[] = { 49, 50 }; 223 static struct spear_muxreg clcd_lcdmode_muxreg[] = { 224 { 225 .reg = PMX_CONFIG_REG, 226 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, 227 .val = 0, 228 }, 229 }; 230 231 static struct spear_modemux clcd_lcdmode_modemux[] = { 232 { 233 .modes = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE | 234 CAMU_LCD_MODE | CAML_LCD_MODE, 235 .muxregs = clcd_lcdmode_muxreg, 236 .nmuxregs = ARRAY_SIZE(clcd_lcdmode_muxreg), 237 }, 238 }; 239 240 static struct spear_pingroup clcd_lcdmode_pingroup = { 241 .name = "clcd_lcdmode_grp", 242 .pins = clcd_lcdmode_pins, 243 .npins = ARRAY_SIZE(clcd_lcdmode_pins), 244 .modemuxs = clcd_lcdmode_modemux, 245 .nmodemuxs = ARRAY_SIZE(clcd_lcdmode_modemux), 246 }; 247 248 /* clcd_pfmode_pins */ 249 static const unsigned clcd_pfmode_pins[] = { 47, 48, 49, 50 }; 250 static struct spear_muxreg clcd_pfmode_muxreg[] = { 251 { 252 .reg = PMX_CONFIG_REG, 253 .mask = PMX_TIMER_2_3_MASK, 254 .val = 0, 255 }, 256 }; 257 258 static struct spear_modemux clcd_pfmode_modemux[] = { 259 { 260 .modes = PHOTO_FRAME_MODE, 261 .muxregs = clcd_pfmode_muxreg, 262 .nmuxregs = ARRAY_SIZE(clcd_pfmode_muxreg), 263 }, 264 }; 265 266 static struct spear_pingroup clcd_pfmode_pingroup = { 267 .name = "clcd_pfmode_grp", 268 .pins = clcd_pfmode_pins, 269 .npins = ARRAY_SIZE(clcd_pfmode_pins), 270 .modemuxs = clcd_pfmode_modemux, 271 .nmodemuxs = ARRAY_SIZE(clcd_pfmode_modemux), 272 }; 273 274 static const char *const clcd_grps[] = { "clcd_lcdmode_grp", "clcd_pfmode_grp" 275 }; 276 static struct spear_function clcd_function = { 277 .name = "clcd", 278 .groups = clcd_grps, 279 .ngroups = ARRAY_SIZE(clcd_grps), 280 }; 281 282 /* tdm_pins */ 283 static const unsigned tdm_pins[] = { 34, 35, 36, 37, 38 }; 284 static struct spear_muxreg tdm_muxreg[] = { 285 { 286 .reg = PMX_CONFIG_REG, 287 .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK, 288 .val = 0, 289 }, 290 }; 291 292 static struct spear_modemux tdm_modemux[] = { 293 { 294 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | 295 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE 296 | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE 297 | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE 298 | CAMU_WLCD_MODE | CAML_LCD_MODE, 299 .muxregs = tdm_muxreg, 300 .nmuxregs = ARRAY_SIZE(tdm_muxreg), 301 }, 302 }; 303 304 static struct spear_pingroup tdm_pingroup = { 305 .name = "tdm_grp", 306 .pins = tdm_pins, 307 .npins = ARRAY_SIZE(tdm_pins), 308 .modemuxs = tdm_modemux, 309 .nmodemuxs = ARRAY_SIZE(tdm_modemux), 310 }; 311 312 static const char *const tdm_grps[] = { "tdm_grp" }; 313 static struct spear_function tdm_function = { 314 .name = "tdm", 315 .groups = tdm_grps, 316 .ngroups = ARRAY_SIZE(tdm_grps), 317 }; 318 319 /* i2c_clk_pins */ 320 static const unsigned i2c_clk_pins[] = { 45, 46, 47, 48 }; 321 static struct spear_muxreg i2c_clk_muxreg[] = { 322 { 323 .reg = PMX_CONFIG_REG, 324 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, 325 .val = 0, 326 }, 327 }; 328 329 static struct spear_modemux i2c_clk_modemux[] = { 330 { 331 .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE | 332 LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | 333 ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | CAML_LCDW_MODE 334 | CAML_LCD_MODE, 335 .muxregs = i2c_clk_muxreg, 336 .nmuxregs = ARRAY_SIZE(i2c_clk_muxreg), 337 }, 338 }; 339 340 static struct spear_pingroup i2c_clk_pingroup = { 341 .name = "i2c_clk_grp_grp", 342 .pins = i2c_clk_pins, 343 .npins = ARRAY_SIZE(i2c_clk_pins), 344 .modemuxs = i2c_clk_modemux, 345 .nmodemuxs = ARRAY_SIZE(i2c_clk_modemux), 346 }; 347 348 static const char *const i2c_grps[] = { "i2c_clk_grp" }; 349 static struct spear_function i2c_function = { 350 .name = "i2c1", 351 .groups = i2c_grps, 352 .ngroups = ARRAY_SIZE(i2c_grps), 353 }; 354 355 /* caml_pins */ 356 static const unsigned caml_pins[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 }; 357 static struct spear_muxreg caml_muxreg[] = { 358 { 359 .reg = PMX_CONFIG_REG, 360 .mask = PMX_MII_MASK, 361 .val = 0, 362 }, 363 }; 364 365 static struct spear_modemux caml_modemux[] = { 366 { 367 .modes = CAML_LCDW_MODE | CAML_LCD_MODE, 368 .muxregs = caml_muxreg, 369 .nmuxregs = ARRAY_SIZE(caml_muxreg), 370 }, 371 }; 372 373 static struct spear_pingroup caml_pingroup = { 374 .name = "caml_grp", 375 .pins = caml_pins, 376 .npins = ARRAY_SIZE(caml_pins), 377 .modemuxs = caml_modemux, 378 .nmodemuxs = ARRAY_SIZE(caml_modemux), 379 }; 380 381 /* camu_pins */ 382 static const unsigned camu_pins[] = { 16, 17, 18, 19, 20, 21, 45, 46, 47, 48 }; 383 static struct spear_muxreg camu_muxreg[] = { 384 { 385 .reg = PMX_CONFIG_REG, 386 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | PMX_MII_MASK, 387 .val = 0, 388 }, 389 }; 390 391 static struct spear_modemux camu_modemux[] = { 392 { 393 .modes = CAMU_LCD_MODE | CAMU_WLCD_MODE, 394 .muxregs = camu_muxreg, 395 .nmuxregs = ARRAY_SIZE(camu_muxreg), 396 }, 397 }; 398 399 static struct spear_pingroup camu_pingroup = { 400 .name = "camu_grp", 401 .pins = camu_pins, 402 .npins = ARRAY_SIZE(camu_pins), 403 .modemuxs = camu_modemux, 404 .nmodemuxs = ARRAY_SIZE(camu_modemux), 405 }; 406 407 static const char *const cam_grps[] = { "caml_grp", "camu_grp" }; 408 static struct spear_function cam_function = { 409 .name = "cam", 410 .groups = cam_grps, 411 .ngroups = ARRAY_SIZE(cam_grps), 412 }; 413 414 /* dac_pins */ 415 static const unsigned dac_pins[] = { 43, 44 }; 416 static struct spear_muxreg dac_muxreg[] = { 417 { 418 .reg = PMX_CONFIG_REG, 419 .mask = PMX_TIMER_0_1_MASK, 420 .val = 0, 421 }, 422 }; 423 424 static struct spear_modemux dac_modemux[] = { 425 { 426 .modes = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE 427 | CAMU_WLCD_MODE | CAML_LCD_MODE, 428 .muxregs = dac_muxreg, 429 .nmuxregs = ARRAY_SIZE(dac_muxreg), 430 }, 431 }; 432 433 static struct spear_pingroup dac_pingroup = { 434 .name = "dac_grp", 435 .pins = dac_pins, 436 .npins = ARRAY_SIZE(dac_pins), 437 .modemuxs = dac_modemux, 438 .nmodemuxs = ARRAY_SIZE(dac_modemux), 439 }; 440 441 static const char *const dac_grps[] = { "dac_grp" }; 442 static struct spear_function dac_function = { 443 .name = "dac", 444 .groups = dac_grps, 445 .ngroups = ARRAY_SIZE(dac_grps), 446 }; 447 448 /* i2s_pins */ 449 static const unsigned i2s_pins[] = { 39, 40, 41, 42 }; 450 static struct spear_muxreg i2s_muxreg[] = { 451 { 452 .reg = PMX_CONFIG_REG, 453 .mask = PMX_UART0_MODEM_MASK, 454 .val = 0, 455 }, 456 }; 457 458 static struct spear_modemux i2s_modemux[] = { 459 { 460 .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE 461 | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE | 462 ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE 463 | CAMU_WLCD_MODE | CAML_LCD_MODE, 464 .muxregs = i2s_muxreg, 465 .nmuxregs = ARRAY_SIZE(i2s_muxreg), 466 }, 467 }; 468 469 static struct spear_pingroup i2s_pingroup = { 470 .name = "i2s_grp", 471 .pins = i2s_pins, 472 .npins = ARRAY_SIZE(i2s_pins), 473 .modemuxs = i2s_modemux, 474 .nmodemuxs = ARRAY_SIZE(i2s_modemux), 475 }; 476 477 static const char *const i2s_grps[] = { "i2s_grp" }; 478 static struct spear_function i2s_function = { 479 .name = "i2s", 480 .groups = i2s_grps, 481 .ngroups = ARRAY_SIZE(i2s_grps), 482 }; 483 484 /* sdhci_4bit_pins */ 485 static const unsigned sdhci_4bit_pins[] = { 28, 29, 30, 31, 32, 33 }; 486 static struct spear_muxreg sdhci_4bit_muxreg[] = { 487 { 488 .reg = PMX_CONFIG_REG, 489 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | 490 PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | 491 PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK, 492 .val = 0, 493 }, 494 }; 495 496 static struct spear_modemux sdhci_4bit_modemux[] = { 497 { 498 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | 499 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | 500 HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | 501 CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE, 502 .muxregs = sdhci_4bit_muxreg, 503 .nmuxregs = ARRAY_SIZE(sdhci_4bit_muxreg), 504 }, 505 }; 506 507 static struct spear_pingroup sdhci_4bit_pingroup = { 508 .name = "sdhci_4bit_grp", 509 .pins = sdhci_4bit_pins, 510 .npins = ARRAY_SIZE(sdhci_4bit_pins), 511 .modemuxs = sdhci_4bit_modemux, 512 .nmodemuxs = ARRAY_SIZE(sdhci_4bit_modemux), 513 }; 514 515 /* sdhci_8bit_pins */ 516 static const unsigned sdhci_8bit_pins[] = { 24, 25, 26, 27, 28, 29, 30, 31, 32, 517 33 }; 518 static struct spear_muxreg sdhci_8bit_muxreg[] = { 519 { 520 .reg = PMX_CONFIG_REG, 521 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK | 522 PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK | 523 PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK, 524 .val = 0, 525 }, 526 }; 527 528 static struct spear_modemux sdhci_8bit_modemux[] = { 529 { 530 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE | 531 HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE | 532 HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE | 533 CAMU_WLCD_MODE | CAML_LCD_MODE, 534 .muxregs = sdhci_8bit_muxreg, 535 .nmuxregs = ARRAY_SIZE(sdhci_8bit_muxreg), 536 }, 537 }; 538 539 static struct spear_pingroup sdhci_8bit_pingroup = { 540 .name = "sdhci_8bit_grp", 541 .pins = sdhci_8bit_pins, 542 .npins = ARRAY_SIZE(sdhci_8bit_pins), 543 .modemuxs = sdhci_8bit_modemux, 544 .nmodemuxs = ARRAY_SIZE(sdhci_8bit_modemux), 545 }; 546 547 static const char *const sdhci_grps[] = { "sdhci_4bit_grp", "sdhci_8bit_grp" }; 548 static struct spear_function sdhci_function = { 549 .name = "sdhci", 550 .groups = sdhci_grps, 551 .ngroups = ARRAY_SIZE(sdhci_grps), 552 }; 553 554 /* gpio1_0_to_3_pins */ 555 static const unsigned gpio1_0_to_3_pins[] = { 39, 40, 41, 42 }; 556 static struct spear_muxreg gpio1_0_to_3_muxreg[] = { 557 { 558 .reg = PMX_CONFIG_REG, 559 .mask = PMX_UART0_MODEM_MASK, 560 .val = 0, 561 }, 562 }; 563 564 static struct spear_modemux gpio1_0_to_3_modemux[] = { 565 { 566 .modes = PHOTO_FRAME_MODE, 567 .muxregs = gpio1_0_to_3_muxreg, 568 .nmuxregs = ARRAY_SIZE(gpio1_0_to_3_muxreg), 569 }, 570 }; 571 572 static struct spear_pingroup gpio1_0_to_3_pingroup = { 573 .name = "gpio1_0_to_3_grp", 574 .pins = gpio1_0_to_3_pins, 575 .npins = ARRAY_SIZE(gpio1_0_to_3_pins), 576 .modemuxs = gpio1_0_to_3_modemux, 577 .nmodemuxs = ARRAY_SIZE(gpio1_0_to_3_modemux), 578 }; 579 580 /* gpio1_4_to_7_pins */ 581 static const unsigned gpio1_4_to_7_pins[] = { 43, 44, 45, 46 }; 582 583 static struct spear_muxreg gpio1_4_to_7_muxreg[] = { 584 { 585 .reg = PMX_CONFIG_REG, 586 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK, 587 .val = 0, 588 }, 589 }; 590 591 static struct spear_modemux gpio1_4_to_7_modemux[] = { 592 { 593 .modes = PHOTO_FRAME_MODE, 594 .muxregs = gpio1_4_to_7_muxreg, 595 .nmuxregs = ARRAY_SIZE(gpio1_4_to_7_muxreg), 596 }, 597 }; 598 599 static struct spear_pingroup gpio1_4_to_7_pingroup = { 600 .name = "gpio1_4_to_7_grp", 601 .pins = gpio1_4_to_7_pins, 602 .npins = ARRAY_SIZE(gpio1_4_to_7_pins), 603 .modemuxs = gpio1_4_to_7_modemux, 604 .nmodemuxs = ARRAY_SIZE(gpio1_4_to_7_modemux), 605 }; 606 607 static const char *const gpio1_grps[] = { "gpio1_0_to_3_grp", "gpio1_4_to_7_grp" 608 }; 609 static struct spear_function gpio1_function = { 610 .name = "gpio1", 611 .groups = gpio1_grps, 612 .ngroups = ARRAY_SIZE(gpio1_grps), 613 }; 614 615 /* pingroups */ 616 static struct spear_pingroup *spear300_pingroups[] = { 617 SPEAR3XX_COMMON_PINGROUPS, 618 &fsmc_2chips_pingroup, 619 &fsmc_4chips_pingroup, 620 &clcd_lcdmode_pingroup, 621 &clcd_pfmode_pingroup, 622 &tdm_pingroup, 623 &i2c_clk_pingroup, 624 &caml_pingroup, 625 &camu_pingroup, 626 &dac_pingroup, 627 &i2s_pingroup, 628 &sdhci_4bit_pingroup, 629 &sdhci_8bit_pingroup, 630 &gpio1_0_to_3_pingroup, 631 &gpio1_4_to_7_pingroup, 632 }; 633 634 /* functions */ 635 static struct spear_function *spear300_functions[] = { 636 SPEAR3XX_COMMON_FUNCTIONS, 637 &fsmc_function, 638 &clcd_function, 639 &tdm_function, 640 &i2c_function, 641 &cam_function, 642 &dac_function, 643 &i2s_function, 644 &sdhci_function, 645 &gpio1_function, 646 }; 647 648 static const struct of_device_id spear300_pinctrl_of_match[] = { 649 { 650 .compatible = "st,spear300-pinmux", 651 }, 652 {}, 653 }; 654 655 static int spear300_pinctrl_probe(struct platform_device *pdev) 656 { 657 spear3xx_machdata.groups = spear300_pingroups; 658 spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups); 659 spear3xx_machdata.functions = spear300_functions; 660 spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions); 661 spear3xx_machdata.gpio_pingroups = NULL; 662 spear3xx_machdata.ngpio_pingroups = 0; 663 664 spear3xx_machdata.modes_supported = true; 665 spear3xx_machdata.pmx_modes = spear300_pmx_modes; 666 spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes); 667 668 pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG); 669 670 return spear_pinctrl_probe(pdev, &spear3xx_machdata); 671 } 672 673 static struct platform_driver spear300_pinctrl_driver = { 674 .driver = { 675 .name = DRIVER_NAME, 676 .of_match_table = spear300_pinctrl_of_match, 677 }, 678 .probe = spear300_pinctrl_probe, 679 }; 680 681 static int __init spear300_pinctrl_init(void) 682 { 683 return platform_driver_register(&spear300_pinctrl_driver); 684 } 685 arch_initcall(spear300_pinctrl_init); 686