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/module.h>
  15 #include <linux/of_device.h>
  16 #include <linux/platform_device.h>
  17 #include "pinctrl-spear3xx.h"
  18
  19 #define DRIVER_NAME "spear300-pinmux"
  20
  21 /* addresses */
  22 #define PMX_CONFIG_REG                  0x00
  23 #define MODE_CONFIG_REG                 0x04
  24
  25 /* modes */
  26 #define NAND_MODE                       (1 << 0)
  27 #define NOR_MODE                        (1 << 1)
  28 #define PHOTO_FRAME_MODE                (1 << 2)
  29 #define LEND_IP_PHONE_MODE              (1 << 3)
  30 #define HEND_IP_PHONE_MODE              (1 << 4)
  31 #define LEND_WIFI_PHONE_MODE            (1 << 5)
  32 #define HEND_WIFI_PHONE_MODE            (1 << 6)
  33 #define ATA_PABX_WI2S_MODE              (1 << 7)
  34 #define ATA_PABX_I2S_MODE               (1 << 8)
  35 #define CAML_LCDW_MODE                  (1 << 9)
  36 #define CAMU_LCD_MODE                   (1 << 10)
  37 #define CAMU_WLCD_MODE                  (1 << 11)
  38 #define CAML_LCD_MODE                   (1 << 12)
  39
  40 static struct spear_pmx_mode pmx_mode_nand = {
  41         .name = "nand",
  42         .mode = NAND_MODE,
  43         .reg = MODE_CONFIG_REG,
  44         .mask = 0x0000000F,
  45         .val = 0x00,
  46 };
  47
  48 static struct spear_pmx_mode pmx_mode_nor = {
  49         .name = "nor",
  50         .mode = NOR_MODE,
  51         .reg = MODE_CONFIG_REG,
  52         .mask = 0x0000000F,
  53         .val = 0x01,
  54 };
  55
  56 static struct spear_pmx_mode pmx_mode_photo_frame = {
  57         .name = "photo frame mode",
  58         .mode = PHOTO_FRAME_MODE,
  59         .reg = MODE_CONFIG_REG,
  60         .mask = 0x0000000F,
  61         .val = 0x02,
  62 };
  63
  64 static struct spear_pmx_mode pmx_mode_lend_ip_phone = {
  65         .name = "lend ip phone mode",
  66         .mode = LEND_IP_PHONE_MODE,
  67         .reg = MODE_CONFIG_REG,
  68         .mask = 0x0000000F,
  69         .val = 0x03,
  70 };
  71
  72 static struct spear_pmx_mode pmx_mode_hend_ip_phone = {
  73         .name = "hend ip phone mode",
  74         .mode = HEND_IP_PHONE_MODE,
  75         .reg = MODE_CONFIG_REG,
  76         .mask = 0x0000000F,
  77         .val = 0x04,
  78 };
  79
  80 static struct spear_pmx_mode pmx_mode_lend_wifi_phone = {
  81         .name = "lend wifi phone mode",
  82         .mode = LEND_WIFI_PHONE_MODE,
  83         .reg = MODE_CONFIG_REG,
  84         .mask = 0x0000000F,
  85         .val = 0x05,
  86 };
  87
  88 static struct spear_pmx_mode pmx_mode_hend_wifi_phone = {
  89         .name = "hend wifi phone mode",
  90         .mode = HEND_WIFI_PHONE_MODE,
  91         .reg = MODE_CONFIG_REG,
  92         .mask = 0x0000000F,
  93         .val = 0x06,
  94 };
  95
  96 static struct spear_pmx_mode pmx_mode_ata_pabx_wi2s = {
  97         .name = "ata pabx wi2s mode",
  98         .mode = ATA_PABX_WI2S_MODE,
  99         .reg = MODE_CONFIG_REG,
 100         .mask = 0x0000000F,
 101         .val = 0x07,
 102 };
 103
 104 static struct spear_pmx_mode pmx_mode_ata_pabx_i2s = {
 105         .name = "ata pabx i2s mode",
 106         .mode = ATA_PABX_I2S_MODE,
 107         .reg = MODE_CONFIG_REG,
 108         .mask = 0x0000000F,
 109         .val = 0x08,
 110 };
 111
 112 static struct spear_pmx_mode pmx_mode_caml_lcdw = {
 113         .name = "caml lcdw mode",
 114         .mode = CAML_LCDW_MODE,
 115         .reg = MODE_CONFIG_REG,
 116         .mask = 0x0000000F,
 117         .val = 0x0C,
 118 };
 119
 120 static struct spear_pmx_mode pmx_mode_camu_lcd = {
 121         .name = "camu lcd mode",
 122         .mode = CAMU_LCD_MODE,
 123         .reg = MODE_CONFIG_REG,
 124         .mask = 0x0000000F,
 125         .val = 0x0D,
 126 };
 127
 128 static struct spear_pmx_mode pmx_mode_camu_wlcd = {
 129         .name = "camu wlcd mode",
 130         .mode = CAMU_WLCD_MODE,
 131         .reg = MODE_CONFIG_REG,
 132         .mask = 0x0000000F,
 133         .val = 0xE,
 134 };
 135
 136 static struct spear_pmx_mode pmx_mode_caml_lcd = {
 137         .name = "caml lcd mode",
 138         .mode = CAML_LCD_MODE,
 139         .reg = MODE_CONFIG_REG,
 140         .mask = 0x0000000F,
 141         .val = 0x0F,
 142 };
 143
 144 static struct spear_pmx_mode *spear300_pmx_modes[] = {
 145         &pmx_mode_nand,
 146         &pmx_mode_nor,
 147         &pmx_mode_photo_frame,
 148         &pmx_mode_lend_ip_phone,
 149         &pmx_mode_hend_ip_phone,
 150         &pmx_mode_lend_wifi_phone,
 151         &pmx_mode_hend_wifi_phone,
 152         &pmx_mode_ata_pabx_wi2s,
 153         &pmx_mode_ata_pabx_i2s,
 154         &pmx_mode_caml_lcdw,
 155         &pmx_mode_camu_lcd,
 156         &pmx_mode_camu_wlcd,
 157         &pmx_mode_caml_lcd,
 158 };
 159
 160 /* fsmc_2chips_pins */
 161 static const unsigned fsmc_2chips_pins[] = { 1, 97 };
 162 static struct spear_muxreg fsmc_2chips_muxreg[] = {
 163         {
 164                 .reg = PMX_CONFIG_REG,
 165                 .mask = PMX_FIRDA_MASK,
 166                 .val = 0,
 167         },
 168 };
 169
 170 static struct spear_modemux fsmc_2chips_modemux[] = {
 171         {
 172                 .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
 173                         ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
 174                 .muxregs = fsmc_2chips_muxreg,
 175                 .nmuxregs = ARRAY_SIZE(fsmc_2chips_muxreg),
 176         },
 177 };
 178
 179 static struct spear_pingroup fsmc_2chips_pingroup = {
 180         .name = "fsmc_2chips_grp",
 181         .pins = fsmc_2chips_pins,
 182         .npins = ARRAY_SIZE(fsmc_2chips_pins),
 183         .modemuxs = fsmc_2chips_modemux,
 184         .nmodemuxs = ARRAY_SIZE(fsmc_2chips_modemux),
 185 };
 186
 187 /* fsmc_4chips_pins */
 188 static const unsigned fsmc_4chips_pins[] = { 1, 2, 3, 97 };
 189 static struct spear_muxreg fsmc_4chips_muxreg[] = {
 190         {
 191                 .reg = PMX_CONFIG_REG,
 192                 .mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
 193                 .val = 0,
 194         },
 195 };
 196
 197 static struct spear_modemux fsmc_4chips_modemux[] = {
 198         {
 199                 .modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
 200                         ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
 201                 .muxregs = fsmc_4chips_muxreg,
 202                 .nmuxregs = ARRAY_SIZE(fsmc_4chips_muxreg),
 203         },
 204 };
 205
 206 static struct spear_pingroup fsmc_4chips_pingroup = {
 207         .name = "fsmc_4chips_grp",
 208         .pins = fsmc_4chips_pins,
 209         .npins = ARRAY_SIZE(fsmc_4chips_pins),
 210         .modemuxs = fsmc_4chips_modemux,
 211         .nmodemuxs = ARRAY_SIZE(fsmc_4chips_modemux),
 212 };
 213
 214 static const char *const fsmc_grps[] = { "fsmc_2chips_grp", "fsmc_4chips_grp"
 215 };
 216 static struct spear_function fsmc_function = {
 217         .name = "fsmc",
 218         .groups = fsmc_grps,
 219         .ngroups = ARRAY_SIZE(fsmc_grps),
 220 };
 221
 222 /* clcd_lcdmode_pins */
 223 static const unsigned clcd_lcdmode_pins[] = { 49, 50 };
 224 static struct spear_muxreg clcd_lcdmode_muxreg[] = {
 225         {
 226                 .reg = PMX_CONFIG_REG,
 227                 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
 228                 .val = 0,
 229         },
 230 };
 231
 232 static struct spear_modemux clcd_lcdmode_modemux[] = {
 233         {
 234                 .modes = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 235                         CAMU_LCD_MODE | CAML_LCD_MODE,
 236                 .muxregs = clcd_lcdmode_muxreg,
 237                 .nmuxregs = ARRAY_SIZE(clcd_lcdmode_muxreg),
 238         },
 239 };
 240
 241 static struct spear_pingroup clcd_lcdmode_pingroup = {
 242         .name = "clcd_lcdmode_grp",
 243         .pins = clcd_lcdmode_pins,
 244         .npins = ARRAY_SIZE(clcd_lcdmode_pins),
 245         .modemuxs = clcd_lcdmode_modemux,
 246         .nmodemuxs = ARRAY_SIZE(clcd_lcdmode_modemux),
 247 };
 248
 249 /* clcd_pfmode_pins */
 250 static const unsigned clcd_pfmode_pins[] = { 47, 48, 49, 50 };
 251 static struct spear_muxreg clcd_pfmode_muxreg[] = {
 252         {
 253                 .reg = PMX_CONFIG_REG,
 254                 .mask = PMX_TIMER_2_3_MASK,
 255                 .val = 0,
 256         },
 257 };
 258
 259 static struct spear_modemux clcd_pfmode_modemux[] = {
 260         {
 261                 .modes = PHOTO_FRAME_MODE,
 262                 .muxregs = clcd_pfmode_muxreg,
 263                 .nmuxregs = ARRAY_SIZE(clcd_pfmode_muxreg),
 264         },
 265 };
 266
 267 static struct spear_pingroup clcd_pfmode_pingroup = {
 268         .name = "clcd_pfmode_grp",
 269         .pins = clcd_pfmode_pins,
 270         .npins = ARRAY_SIZE(clcd_pfmode_pins),
 271         .modemuxs = clcd_pfmode_modemux,
 272         .nmodemuxs = ARRAY_SIZE(clcd_pfmode_modemux),
 273 };
 274
 275 static const char *const clcd_grps[] = { "clcd_lcdmode_grp", "clcd_pfmode_grp"
 276 };
 277 static struct spear_function clcd_function = {
 278         .name = "clcd",
 279         .groups = clcd_grps,
 280         .ngroups = ARRAY_SIZE(clcd_grps),
 281 };
 282
 283 /* tdm_pins */
 284 static const unsigned tdm_pins[] = { 34, 35, 36, 37, 38 };
 285 static struct spear_muxreg tdm_muxreg[] = {
 286         {
 287                 .reg = PMX_CONFIG_REG,
 288                 .mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
 289                 .val = 0,
 290         },
 291 };
 292
 293 static struct spear_modemux tdm_modemux[] = {
 294         {
 295                 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 296                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
 297                         | HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
 298                         | ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 299                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 300                 .muxregs = tdm_muxreg,
 301                 .nmuxregs = ARRAY_SIZE(tdm_muxreg),
 302         },
 303 };
 304
 305 static struct spear_pingroup tdm_pingroup = {
 306         .name = "tdm_grp",
 307         .pins = tdm_pins,
 308         .npins = ARRAY_SIZE(tdm_pins),
 309         .modemuxs = tdm_modemux,
 310         .nmodemuxs = ARRAY_SIZE(tdm_modemux),
 311 };
 312
 313 static const char *const tdm_grps[] = { "tdm_grp" };
 314 static struct spear_function tdm_function = {
 315         .name = "tdm",
 316         .groups = tdm_grps,
 317         .ngroups = ARRAY_SIZE(tdm_grps),
 318 };
 319
 320 /* i2c_clk_pins */
 321 static const unsigned i2c_clk_pins[] = { 45, 46, 47, 48 };
 322 static struct spear_muxreg i2c_clk_muxreg[] = {
 323         {
 324                 .reg = PMX_CONFIG_REG,
 325                 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
 326                 .val = 0,
 327         },
 328 };
 329
 330 static struct spear_modemux i2c_clk_modemux[] = {
 331         {
 332                 .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
 333                         LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 334                         ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | CAML_LCDW_MODE
 335                         | CAML_LCD_MODE,
 336                 .muxregs = i2c_clk_muxreg,
 337                 .nmuxregs = ARRAY_SIZE(i2c_clk_muxreg),
 338         },
 339 };
 340
 341 static struct spear_pingroup i2c_clk_pingroup = {
 342         .name = "i2c_clk_grp_grp",
 343         .pins = i2c_clk_pins,
 344         .npins = ARRAY_SIZE(i2c_clk_pins),
 345         .modemuxs = i2c_clk_modemux,
 346         .nmodemuxs = ARRAY_SIZE(i2c_clk_modemux),
 347 };
 348
 349 static const char *const i2c_grps[] = { "i2c_clk_grp" };
 350 static struct spear_function i2c_function = {
 351         .name = "i2c1",
 352         .groups = i2c_grps,
 353         .ngroups = ARRAY_SIZE(i2c_grps),
 354 };
 355
 356 /* caml_pins */
 357 static const unsigned caml_pins[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
 358 static struct spear_muxreg caml_muxreg[] = {
 359         {
 360                 .reg = PMX_CONFIG_REG,
 361                 .mask = PMX_MII_MASK,
 362                 .val = 0,
 363         },
 364 };
 365
 366 static struct spear_modemux caml_modemux[] = {
 367         {
 368                 .modes = CAML_LCDW_MODE | CAML_LCD_MODE,
 369                 .muxregs = caml_muxreg,
 370                 .nmuxregs = ARRAY_SIZE(caml_muxreg),
 371         },
 372 };
 373
 374 static struct spear_pingroup caml_pingroup = {
 375         .name = "caml_grp",
 376         .pins = caml_pins,
 377         .npins = ARRAY_SIZE(caml_pins),
 378         .modemuxs = caml_modemux,
 379         .nmodemuxs = ARRAY_SIZE(caml_modemux),
 380 };
 381
 382 /* camu_pins */
 383 static const unsigned camu_pins[] = { 16, 17, 18, 19, 20, 21, 45, 46, 47, 48 };
 384 static struct spear_muxreg camu_muxreg[] = {
 385         {
 386                 .reg = PMX_CONFIG_REG,
 387                 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | PMX_MII_MASK,
 388                 .val = 0,
 389         },
 390 };
 391
 392 static struct spear_modemux camu_modemux[] = {
 393         {
 394                 .modes = CAMU_LCD_MODE | CAMU_WLCD_MODE,
 395                 .muxregs = camu_muxreg,
 396                 .nmuxregs = ARRAY_SIZE(camu_muxreg),
 397         },
 398 };
 399
 400 static struct spear_pingroup camu_pingroup = {
 401         .name = "camu_grp",
 402         .pins = camu_pins,
 403         .npins = ARRAY_SIZE(camu_pins),
 404         .modemuxs = camu_modemux,
 405         .nmodemuxs = ARRAY_SIZE(camu_modemux),
 406 };
 407
 408 static const char *const cam_grps[] = { "caml_grp", "camu_grp" };
 409 static struct spear_function cam_function = {
 410         .name = "cam",
 411         .groups = cam_grps,
 412         .ngroups = ARRAY_SIZE(cam_grps),
 413 };
 414
 415 /* dac_pins */
 416 static const unsigned dac_pins[] = { 43, 44 };
 417 static struct spear_muxreg dac_muxreg[] = {
 418         {
 419                 .reg = PMX_CONFIG_REG,
 420                 .mask = PMX_TIMER_0_1_MASK,
 421                 .val = 0,
 422         },
 423 };
 424
 425 static struct spear_modemux dac_modemux[] = {
 426         {
 427                 .modes = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 428                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 429                 .muxregs = dac_muxreg,
 430                 .nmuxregs = ARRAY_SIZE(dac_muxreg),
 431         },
 432 };
 433
 434 static struct spear_pingroup dac_pingroup = {
 435         .name = "dac_grp",
 436         .pins = dac_pins,
 437         .npins = ARRAY_SIZE(dac_pins),
 438         .modemuxs = dac_modemux,
 439         .nmodemuxs = ARRAY_SIZE(dac_modemux),
 440 };
 441
 442 static const char *const dac_grps[] = { "dac_grp" };
 443 static struct spear_function dac_function = {
 444         .name = "dac",
 445         .groups = dac_grps,
 446         .ngroups = ARRAY_SIZE(dac_grps),
 447 };
 448
 449 /* i2s_pins */
 450 static const unsigned i2s_pins[] = { 39, 40, 41, 42 };
 451 static struct spear_muxreg i2s_muxreg[] = {
 452         {
 453                 .reg = PMX_CONFIG_REG,
 454                 .mask = PMX_UART0_MODEM_MASK,
 455                 .val = 0,
 456         },
 457 };
 458
 459 static struct spear_modemux i2s_modemux[] = {
 460         {
 461                 .modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
 462                         | LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
 463                         ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
 464                         | CAMU_WLCD_MODE | CAML_LCD_MODE,
 465                 .muxregs = i2s_muxreg,
 466                 .nmuxregs = ARRAY_SIZE(i2s_muxreg),
 467         },
 468 };
 469
 470 static struct spear_pingroup i2s_pingroup = {
 471         .name = "i2s_grp",
 472         .pins = i2s_pins,
 473         .npins = ARRAY_SIZE(i2s_pins),
 474         .modemuxs = i2s_modemux,
 475         .nmodemuxs = ARRAY_SIZE(i2s_modemux),
 476 };
 477
 478 static const char *const i2s_grps[] = { "i2s_grp" };
 479 static struct spear_function i2s_function = {
 480         .name = "i2s",
 481         .groups = i2s_grps,
 482         .ngroups = ARRAY_SIZE(i2s_grps),
 483 };
 484
 485 /* sdhci_4bit_pins */
 486 static const unsigned sdhci_4bit_pins[] = { 28, 29, 30, 31, 32, 33 };
 487 static struct spear_muxreg sdhci_4bit_muxreg[] = {
 488         {
 489                 .reg = PMX_CONFIG_REG,
 490                 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
 491                         PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
 492                         PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
 493                 .val = 0,
 494         },
 495 };
 496
 497 static struct spear_modemux sdhci_4bit_modemux[] = {
 498         {
 499                 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 500                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
 501                         HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
 502                         CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE,
 503                 .muxregs = sdhci_4bit_muxreg,
 504                 .nmuxregs = ARRAY_SIZE(sdhci_4bit_muxreg),
 505         },
 506 };
 507
 508 static struct spear_pingroup sdhci_4bit_pingroup = {
 509         .name = "sdhci_4bit_grp",
 510         .pins = sdhci_4bit_pins,
 511         .npins = ARRAY_SIZE(sdhci_4bit_pins),
 512         .modemuxs = sdhci_4bit_modemux,
 513         .nmodemuxs = ARRAY_SIZE(sdhci_4bit_modemux),
 514 };
 515
 516 /* sdhci_8bit_pins */
 517 static const unsigned sdhci_8bit_pins[] = { 24, 25, 26, 27, 28, 29, 30, 31, 32,
 518         33 };
 519 static struct spear_muxreg sdhci_8bit_muxreg[] = {
 520         {
 521                 .reg = PMX_CONFIG_REG,
 522                 .mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
 523                         PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
 524                         PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
 525                 .val = 0,
 526         },
 527 };
 528
 529 static struct spear_modemux sdhci_8bit_modemux[] = {
 530         {
 531                 .modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
 532                         HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
 533                         HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
 534                         CAMU_WLCD_MODE | CAML_LCD_MODE,
 535                 .muxregs = sdhci_8bit_muxreg,
 536                 .nmuxregs = ARRAY_SIZE(sdhci_8bit_muxreg),
 537         },
 538 };
 539
 540 static struct spear_pingroup sdhci_8bit_pingroup = {
 541         .name = "sdhci_8bit_grp",
 542         .pins = sdhci_8bit_pins,
 543         .npins = ARRAY_SIZE(sdhci_8bit_pins),
 544         .modemuxs = sdhci_8bit_modemux,
 545         .nmodemuxs = ARRAY_SIZE(sdhci_8bit_modemux),
 546 };
 547
 548 static const char *const sdhci_grps[] = { "sdhci_4bit_grp", "sdhci_8bit_grp" };
 549 static struct spear_function sdhci_function = {
 550         .name = "sdhci",
 551         .groups = sdhci_grps,
 552         .ngroups = ARRAY_SIZE(sdhci_grps),
 553 };
 554
 555 /* gpio1_0_to_3_pins */
 556 static const unsigned gpio1_0_to_3_pins[] = { 39, 40, 41, 42 };
 557 static struct spear_muxreg gpio1_0_to_3_muxreg[] = {
 558         {
 559                 .reg = PMX_CONFIG_REG,
 560                 .mask = PMX_UART0_MODEM_MASK,
 561                 .val = 0,
 562         },
 563 };
 564
 565 static struct spear_modemux gpio1_0_to_3_modemux[] = {
 566         {
 567                 .modes = PHOTO_FRAME_MODE,
 568                 .muxregs = gpio1_0_to_3_muxreg,
 569                 .nmuxregs = ARRAY_SIZE(gpio1_0_to_3_muxreg),
 570         },
 571 };
 572
 573 static struct spear_pingroup gpio1_0_to_3_pingroup = {
 574         .name = "gpio1_0_to_3_grp",
 575         .pins = gpio1_0_to_3_pins,
 576         .npins = ARRAY_SIZE(gpio1_0_to_3_pins),
 577         .modemuxs = gpio1_0_to_3_modemux,
 578         .nmodemuxs = ARRAY_SIZE(gpio1_0_to_3_modemux),
 579 };
 580
 581 /* gpio1_4_to_7_pins */
 582 static const unsigned gpio1_4_to_7_pins[] = { 43, 44, 45, 46 };
 583
 584 static struct spear_muxreg gpio1_4_to_7_muxreg[] = {
 585         {
 586                 .reg = PMX_CONFIG_REG,
 587                 .mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
 588                 .val = 0,
 589         },
 590 };
 591
 592 static struct spear_modemux gpio1_4_to_7_modemux[] = {
 593         {
 594                 .modes = PHOTO_FRAME_MODE,
 595                 .muxregs = gpio1_4_to_7_muxreg,
 596                 .nmuxregs = ARRAY_SIZE(gpio1_4_to_7_muxreg),
 597         },
 598 };
 599
 600 static struct spear_pingroup gpio1_4_to_7_pingroup = {
 601         .name = "gpio1_4_to_7_grp",
 602         .pins = gpio1_4_to_7_pins,
 603         .npins = ARRAY_SIZE(gpio1_4_to_7_pins),
 604         .modemuxs = gpio1_4_to_7_modemux,
 605         .nmodemuxs = ARRAY_SIZE(gpio1_4_to_7_modemux),
 606 };
 607
 608 static const char *const gpio1_grps[] = { "gpio1_0_to_3_grp", "gpio1_4_to_7_grp"
 609 };
 610 static struct spear_function gpio1_function = {
 611         .name = "gpio1",
 612         .groups = gpio1_grps,
 613         .ngroups = ARRAY_SIZE(gpio1_grps),
 614 };
 615
 616 /* pingroups */
 617 static struct spear_pingroup *spear300_pingroups[] = {
 618         SPEAR3XX_COMMON_PINGROUPS,
 619         &fsmc_2chips_pingroup,
 620         &fsmc_4chips_pingroup,
 621         &clcd_lcdmode_pingroup,
 622         &clcd_pfmode_pingroup,
 623         &tdm_pingroup,
 624         &i2c_clk_pingroup,
 625         &caml_pingroup,
 626         &camu_pingroup,
 627         &dac_pingroup,
 628         &i2s_pingroup,
 629         &sdhci_4bit_pingroup,
 630         &sdhci_8bit_pingroup,
 631         &gpio1_0_to_3_pingroup,
 632         &gpio1_4_to_7_pingroup,
 633 };
 634
 635 /* functions */
 636 static struct spear_function *spear300_functions[] = {
 637         SPEAR3XX_COMMON_FUNCTIONS,
 638         &fsmc_function,
 639         &clcd_function,
 640         &tdm_function,
 641         &i2c_function,
 642         &cam_function,
 643         &dac_function,
 644         &i2s_function,
 645         &sdhci_function,
 646         &gpio1_function,
 647 };
 648
 649 static const struct of_device_id spear300_pinctrl_of_match[] = {
 650         {
 651                 .compatible = "st,spear300-pinmux",
 652         },
 653         {},
 654 };
 655
 656 static int spear300_pinctrl_probe(struct platform_device *pdev)
 657 {
 658         int ret;
 659
 660         spear3xx_machdata.groups = spear300_pingroups;
 661         spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups);
 662         spear3xx_machdata.functions = spear300_functions;
 663         spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions);
 664         spear3xx_machdata.gpio_pingroups = NULL;
 665         spear3xx_machdata.ngpio_pingroups = 0;
 666
 667         spear3xx_machdata.modes_supported = true;
 668         spear3xx_machdata.pmx_modes = spear300_pmx_modes;
 669         spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes);
 670
 671         pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);
 672
 673         ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
 674         if (ret)
 675                 return ret;
 676
 677         return 0;
 678 }
 679
 680 static int spear300_pinctrl_remove(struct platform_device *pdev)
 681 {
 682         return spear_pinctrl_remove(pdev);
 683 }
 684
 685 static struct platform_driver spear300_pinctrl_driver = {
 686         .driver = {
 687                 .name = DRIVER_NAME,
 688                 .of_match_table = spear300_pinctrl_of_match,
 689         },
 690         .probe = spear300_pinctrl_probe,
 691         .remove = spear300_pinctrl_remove,
 692 };
 693
 694 static int __init spear300_pinctrl_init(void)
 695 {
 696         return platform_driver_register(&spear300_pinctrl_driver);
 697 }
 698 arch_initcall(spear300_pinctrl_init);
 699
 700 static void __exit spear300_pinctrl_exit(void)
 701 {
 702         platform_driver_unregister(&spear300_pinctrl_driver);
 703 }
 704 module_exit(spear300_pinctrl_exit);
 705
 706 MODULE_AUTHOR("Viresh Kumar <vireshk@kernel.org>");
 707 MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver");
 708 MODULE_LICENSE("GPL v2");
 709 MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match);