drivers/pinctrl/spear/pinctrl-spear300.c

   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         int ret;
 658
 659         spear3xx_machdata.groups = spear300_pingroups;
 660         spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups);
 661         spear3xx_machdata.functions = spear300_functions;
 662         spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions);
 663         spear3xx_machdata.gpio_pingroups = NULL;
 664         spear3xx_machdata.ngpio_pingroups = 0;
 665
 666         spear3xx_machdata.modes_supported = true;
 667         spear3xx_machdata.pmx_modes = spear300_pmx_modes;
 668         spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes);
 669
 670         pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);
 671
 672         ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
 673         if (ret)
 674                 return ret;
 675
 676         return 0;
 677 }
 678
 679 static struct platform_driver spear300_pinctrl_driver = {
 680         .driver = {
 681                 .name = DRIVER_NAME,
 682                 .of_match_table = spear300_pinctrl_of_match,
 683         },
 684         .probe = spear300_pinctrl_probe,
 685 };
 686
 687 static int __init spear300_pinctrl_init(void)
 688 {
 689         return platform_driver_register(&spear300_pinctrl_driver);
 690 }
 691 arch_initcall(spear300_pinctrl_init);