arch/arm/mach-omap2/board-omap3pandora.c

   1 /*
   2  * board-omap3pandora.c (Pandora Handheld Console)
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  16  * 02110-1301 USA
  17  *
  18  */
  19
  20 #include <linux/init.h>
  21 #include <linux/kernel.h>
  22 #include <linux/platform_device.h>
  23
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/ads7846.h>
  26 #include <linux/regulator/machine.h>
  27 #include <linux/i2c/twl.h>
  28 #include <linux/wl12xx.h>
  29 #include <linux/mtd/partitions.h>
  30 #include <linux/mtd/nand.h>
  31 #include <linux/leds.h>
  32 #include <linux/input.h>
  33 #include <linux/input/matrix_keypad.h>
  34 #include <linux/gpio_keys.h>
  35 #include <linux/mmc/host.h>
  36 #include <linux/mmc/card.h>
  37 #include <linux/regulator/fixed.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <plat/board.h>
  44 #include <plat/common.h>
  45 #include <mach/gpio.h>
  46 #include <mach/hardware.h>
  47 #include <plat/mcspi.h>
  48 #include <plat/usb.h>
  49 #include <plat/display.h>
  50 #include <plat/nand.h>
  51
  52 #include "mux.h"
  53 #include "sdram-micron-mt46h32m32lf-6.h"
  54 #include "hsmmc.h"
  55
  56 #define PANDORA_WIFI_IRQ_GPIO           21
  57 #define PANDORA_WIFI_NRESET_GPIO        23
  58 #define OMAP3_PANDORA_TS_GPIO           94
  59
  60 #define NAND_BLOCK_SIZE                 SZ_128K
  61
  62 static struct mtd_partition omap3pandora_nand_partitions[] = {
  63         {
  64                 .name           = "xloader",
  65                 .offset         = 0,
  66                 .size           = 4 * NAND_BLOCK_SIZE,
  67                 .mask_flags     = MTD_WRITEABLE
  68         }, {
  69                 .name           = "uboot",
  70                 .offset         = MTDPART_OFS_APPEND,
  71                 .size           = 15 * NAND_BLOCK_SIZE,
  72         }, {
  73                 .name           = "uboot-env",
  74                 .offset         = MTDPART_OFS_APPEND,
  75                 .size           = 1 * NAND_BLOCK_SIZE,
  76         }, {
  77                 .name           = "boot",
  78                 .offset         = MTDPART_OFS_APPEND,
  79                 .size           = 80 * NAND_BLOCK_SIZE,
  80         }, {
  81                 .name           = "rootfs",
  82                 .offset         = MTDPART_OFS_APPEND,
  83                 .size           = MTDPART_SIZ_FULL,
  84         },
  85 };
  86
  87 static struct omap_nand_platform_data pandora_nand_data = {
  88         .cs             = 0,
  89         .devsize        = 1,    /* '0' for 8-bit, '1' for 16-bit device */
  90         .parts          = omap3pandora_nand_partitions,
  91         .nr_parts       = ARRAY_SIZE(omap3pandora_nand_partitions),
  92 };
  93
  94 static struct gpio_led pandora_gpio_leds[] = {
  95         {
  96                 .name                   = "pandora::sd1",
  97                 .default_trigger        = "mmc0",
  98                 .gpio                   = 128,
  99         }, {
 100                 .name                   = "pandora::sd2",
 101                 .default_trigger        = "mmc1",
 102                 .gpio                   = 129,
 103         }, {
 104                 .name                   = "pandora::bluetooth",
 105                 .gpio                   = 158,
 106         }, {
 107                 .name                   = "pandora::wifi",
 108                 .gpio                   = 159,
 109         },
 110 };
 111
 112 static struct gpio_led_platform_data pandora_gpio_led_data = {
 113         .leds           = pandora_gpio_leds,
 114         .num_leds       = ARRAY_SIZE(pandora_gpio_leds),
 115 };
 116
 117 static struct platform_device pandora_leds_gpio = {
 118         .name   = "leds-gpio",
 119         .id     = -1,
 120         .dev    = {
 121                 .platform_data  = &pandora_gpio_led_data,
 122         },
 123 };
 124
 125 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
 126 {                                                               \
 127         .gpio           = gpio_num,                             \
 128         .type           = ev_type,                              \
 129         .code           = ev_code,                              \
 130         .active_low     = act_low,                              \
 131         .debounce_interval = 4,                                 \
 132         .desc           = "btn " descr,                         \
 133 }
 134
 135 #define GPIO_BUTTON_LOW(gpio_num, event_code, description)      \
 136         GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
 137
 138 static struct gpio_keys_button pandora_gpio_keys[] = {
 139         GPIO_BUTTON_LOW(110,    KEY_UP,         "up"),
 140         GPIO_BUTTON_LOW(103,    KEY_DOWN,       "down"),
 141         GPIO_BUTTON_LOW(96,     KEY_LEFT,       "left"),
 142         GPIO_BUTTON_LOW(98,     KEY_RIGHT,      "right"),
 143         GPIO_BUTTON_LOW(109,    KEY_PAGEUP,     "game 1"),
 144         GPIO_BUTTON_LOW(111,    KEY_END,        "game 2"),
 145         GPIO_BUTTON_LOW(106,    KEY_PAGEDOWN,   "game 3"),
 146         GPIO_BUTTON_LOW(101,    KEY_HOME,       "game 4"),
 147         GPIO_BUTTON_LOW(102,    KEY_RIGHTSHIFT, "l"),
 148         GPIO_BUTTON_LOW(97,     KEY_KPPLUS,     "l2"),
 149         GPIO_BUTTON_LOW(105,    KEY_RIGHTCTRL,  "r"),
 150         GPIO_BUTTON_LOW(107,    KEY_KPMINUS,    "r2"),
 151         GPIO_BUTTON_LOW(104,    KEY_LEFTCTRL,   "ctrl"),
 152         GPIO_BUTTON_LOW(99,     KEY_MENU,       "menu"),
 153         GPIO_BUTTON_LOW(176,    KEY_COFFEE,     "hold"),
 154         GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
 155         GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
 156 };
 157
 158 static struct gpio_keys_platform_data pandora_gpio_key_info = {
 159         .buttons        = pandora_gpio_keys,
 160         .nbuttons       = ARRAY_SIZE(pandora_gpio_keys),
 161 };
 162
 163 static struct platform_device pandora_keys_gpio = {
 164         .name   = "gpio-keys",
 165         .id     = -1,
 166         .dev    = {
 167                 .platform_data  = &pandora_gpio_key_info,
 168         },
 169 };
 170
 171 static const uint32_t board_keymap[] = {
 172         /* row, col, code */
 173         KEY(0, 0, KEY_9),
 174         KEY(0, 1, KEY_8),
 175         KEY(0, 2, KEY_I),
 176         KEY(0, 3, KEY_J),
 177         KEY(0, 4, KEY_N),
 178         KEY(0, 5, KEY_M),
 179         KEY(1, 0, KEY_0),
 180         KEY(1, 1, KEY_7),
 181         KEY(1, 2, KEY_U),
 182         KEY(1, 3, KEY_H),
 183         KEY(1, 4, KEY_B),
 184         KEY(1, 5, KEY_SPACE),
 185         KEY(2, 0, KEY_BACKSPACE),
 186         KEY(2, 1, KEY_6),
 187         KEY(2, 2, KEY_Y),
 188         KEY(2, 3, KEY_G),
 189         KEY(2, 4, KEY_V),
 190         KEY(2, 5, KEY_FN),
 191         KEY(3, 0, KEY_O),
 192         KEY(3, 1, KEY_5),
 193         KEY(3, 2, KEY_T),
 194         KEY(3, 3, KEY_F),
 195         KEY(3, 4, KEY_C),
 196         KEY(4, 0, KEY_P),
 197         KEY(4, 1, KEY_4),
 198         KEY(4, 2, KEY_R),
 199         KEY(4, 3, KEY_D),
 200         KEY(4, 4, KEY_X),
 201         KEY(5, 0, KEY_K),
 202         KEY(5, 1, KEY_3),
 203         KEY(5, 2, KEY_E),
 204         KEY(5, 3, KEY_S),
 205         KEY(5, 4, KEY_Z),
 206         KEY(6, 0, KEY_L),
 207         KEY(6, 1, KEY_2),
 208         KEY(6, 2, KEY_W),
 209         KEY(6, 3, KEY_A),
 210         KEY(6, 4, KEY_DOT),
 211         KEY(7, 0, KEY_ENTER),
 212         KEY(7, 1, KEY_1),
 213         KEY(7, 2, KEY_Q),
 214         KEY(7, 3, KEY_LEFTSHIFT),
 215         KEY(7, 4, KEY_COMMA),
 216 };
 217
 218 static struct matrix_keymap_data board_map_data = {
 219         .keymap                 = board_keymap,
 220         .keymap_size            = ARRAY_SIZE(board_keymap),
 221 };
 222
 223 static struct twl4030_keypad_data pandora_kp_data = {
 224         .keymap_data    = &board_map_data,
 225         .rows           = 8,
 226         .cols           = 6,
 227         .rep            = 1,
 228 };
 229
 230 static struct omap_dss_device pandora_lcd_device = {
 231         .name                   = "lcd",
 232         .driver_name            = "tpo_td043mtea1_panel",
 233         .type                   = OMAP_DISPLAY_TYPE_DPI,
 234         .phy.dpi.data_lines     = 24,
 235         .reset_gpio             = 157,
 236 };
 237
 238 static struct omap_dss_device pandora_tv_device = {
 239         .name                   = "tv",
 240         .driver_name            = "venc",
 241         .type                   = OMAP_DISPLAY_TYPE_VENC,
 242         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 243 };
 244
 245 static struct omap_dss_device *pandora_dss_devices[] = {
 246         &pandora_lcd_device,
 247         &pandora_tv_device,
 248 };
 249
 250 static struct omap_dss_board_info pandora_dss_data = {
 251         .num_devices    = ARRAY_SIZE(pandora_dss_devices),
 252         .devices        = pandora_dss_devices,
 253         .default_device = &pandora_lcd_device,
 254 };
 255
 256 static struct platform_device pandora_dss_device = {
 257         .name           = "omapdss",
 258         .id             = -1,
 259         .dev            = {
 260                 .platform_data = &pandora_dss_data,
 261         },
 262 };
 263
 264 static void pandora_wl1251_init_card(struct mmc_card *card)
 265 {
 266         /*
 267          * We have TI wl1251 attached to MMC3. Pass this information to
 268          * SDIO core because it can't be probed by normal methods.
 269          */
 270         card->quirks |= MMC_QUIRK_NONSTD_SDIO;
 271         card->cccr.wide_bus = 1;
 272         card->cis.vendor = 0x104c;
 273         card->cis.device = 0x9066;
 274         card->cis.blksize = 512;
 275         card->cis.max_dtr = 20000000;
 276 }
 277
 278 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
 279         {
 280                 .mmc            = 1,
 281                 .caps           = MMC_CAP_4_BIT_DATA,
 282                 .gpio_cd        = -EINVAL,
 283                 .gpio_wp        = 126,
 284                 .ext_clock      = 0,
 285         },
 286         {
 287                 .mmc            = 2,
 288                 .caps           = MMC_CAP_4_BIT_DATA,
 289                 .gpio_cd        = -EINVAL,
 290                 .gpio_wp        = 127,
 291                 .ext_clock      = 1,
 292                 .transceiver    = true,
 293         },
 294         {
 295                 .mmc            = 3,
 296                 .caps           = MMC_CAP_4_BIT_DATA,
 297                 .gpio_cd        = -EINVAL,
 298                 .gpio_wp        = -EINVAL,
 299                 .init_card      = pandora_wl1251_init_card,
 300         },
 301         {}      /* Terminator */
 302 };
 303
 304 static int omap3pandora_twl_gpio_setup(struct device *dev,
 305                 unsigned gpio, unsigned ngpio)
 306 {
 307         int ret, gpio_32khz;
 308
 309         /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
 310         omap3pandora_mmc[0].gpio_cd = gpio + 0;
 311         omap3pandora_mmc[1].gpio_cd = gpio + 1;
 312         omap2_hsmmc_init(omap3pandora_mmc);
 313
 314         /* gpio + 13 drives 32kHz buffer for wifi module */
 315         gpio_32khz = gpio + 13;
 316         ret = gpio_request(gpio_32khz, "wifi 32kHz");
 317         if (ret < 0) {
 318                 pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
 319                 goto fail;
 320         }
 321
 322         ret = gpio_direction_output(gpio_32khz, 1);
 323         if (ret < 0) {
 324                 pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
 325                 goto fail_direction;
 326         }
 327
 328         return 0;
 329
 330 fail_direction:
 331         gpio_free(gpio_32khz);
 332 fail:
 333         return -ENODEV;
 334 }
 335
 336 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
 337         .gpio_base      = OMAP_MAX_GPIO_LINES,
 338         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 339         .irq_end        = TWL4030_GPIO_IRQ_END,
 340         .setup          = omap3pandora_twl_gpio_setup,
 341 };
 342
 343 static struct regulator_consumer_supply pandora_vmmc1_supply =
 344         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
 345
 346 static struct regulator_consumer_supply pandora_vmmc2_supply =
 347         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
 348
 349 static struct regulator_consumer_supply pandora_vmmc3_supply =
 350         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.2");
 351
 352 static struct regulator_consumer_supply pandora_vdda_dac_supply =
 353         REGULATOR_SUPPLY("vdda_dac", "omapdss");
 354
 355 static struct regulator_consumer_supply pandora_vdds_supplies[] = {
 356         REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
 357         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 358 };
 359
 360 static struct regulator_consumer_supply pandora_vcc_lcd_supply =
 361         REGULATOR_SUPPLY("vcc", "display0");
 362
 363 static struct regulator_consumer_supply pandora_usb_phy_supply =
 364         REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
 365
 366 /* ads7846 on SPI and 2 nub controllers on I2C */
 367 static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
 368         REGULATOR_SUPPLY("vcc", "spi1.0"),
 369         REGULATOR_SUPPLY("vcc", "3-0066"),
 370         REGULATOR_SUPPLY("vcc", "3-0067"),
 371 };
 372
 373 static struct regulator_consumer_supply pandora_adac_supply =
 374         REGULATOR_SUPPLY("vcc", "soc-audio");
 375
 376 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 377 static struct regulator_init_data pandora_vmmc1 = {
 378         .constraints = {
 379                 .min_uV                 = 1850000,
 380                 .max_uV                 = 3150000,
 381                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 382                                         | REGULATOR_MODE_STANDBY,
 383                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 384                                         | REGULATOR_CHANGE_MODE
 385                                         | REGULATOR_CHANGE_STATUS,
 386         },
 387         .num_consumer_supplies  = 1,
 388         .consumer_supplies      = &pandora_vmmc1_supply,
 389 };
 390
 391 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
 392 static struct regulator_init_data pandora_vmmc2 = {
 393         .constraints = {
 394                 .min_uV                 = 1850000,
 395                 .max_uV                 = 3150000,
 396                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 397                                         | REGULATOR_MODE_STANDBY,
 398                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 399                                         | REGULATOR_CHANGE_MODE
 400                                         | REGULATOR_CHANGE_STATUS,
 401         },
 402         .num_consumer_supplies  = 1,
 403         .consumer_supplies      = &pandora_vmmc2_supply,
 404 };
 405
 406 /* VDAC for DSS driving S-Video */
 407 static struct regulator_init_data pandora_vdac = {
 408         .constraints = {
 409                 .min_uV                 = 1800000,
 410                 .max_uV                 = 1800000,
 411                 .apply_uV               = true,
 412                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 413                                         | REGULATOR_MODE_STANDBY,
 414                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 415                                         | REGULATOR_CHANGE_STATUS,
 416         },
 417         .num_consumer_supplies  = 1,
 418         .consumer_supplies      = &pandora_vdda_dac_supply,
 419 };
 420
 421 /* VPLL2 for digital video outputs */
 422 static struct regulator_init_data pandora_vpll2 = {
 423         .constraints = {
 424                 .min_uV                 = 1800000,
 425                 .max_uV                 = 1800000,
 426                 .apply_uV               = true,
 427                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 428                                         | REGULATOR_MODE_STANDBY,
 429                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 430                                         | REGULATOR_CHANGE_STATUS,
 431         },
 432         .num_consumer_supplies  = ARRAY_SIZE(pandora_vdds_supplies),
 433         .consumer_supplies      = pandora_vdds_supplies,
 434 };
 435
 436 /* VAUX1 for LCD */
 437 static struct regulator_init_data pandora_vaux1 = {
 438         .constraints = {
 439                 .min_uV                 = 3000000,
 440                 .max_uV                 = 3000000,
 441                 .apply_uV               = true,
 442                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 443                                         | REGULATOR_MODE_STANDBY,
 444                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 445                                         | REGULATOR_CHANGE_STATUS,
 446         },
 447         .num_consumer_supplies  = 1,
 448         .consumer_supplies      = &pandora_vcc_lcd_supply,
 449 };
 450
 451 /* VAUX2 for USB host PHY */
 452 static struct regulator_init_data pandora_vaux2 = {
 453         .constraints = {
 454                 .min_uV                 = 1800000,
 455                 .max_uV                 = 1800000,
 456                 .apply_uV               = true,
 457                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 458                                         | REGULATOR_MODE_STANDBY,
 459                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 460                                         | REGULATOR_CHANGE_STATUS,
 461         },
 462         .num_consumer_supplies  = 1,
 463         .consumer_supplies      = &pandora_usb_phy_supply,
 464 };
 465
 466 /* VAUX4 for ads7846 and nubs */
 467 static struct regulator_init_data pandora_vaux4 = {
 468         .constraints = {
 469                 .min_uV                 = 2800000,
 470                 .max_uV                 = 2800000,
 471                 .apply_uV               = true,
 472                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 473                                         | REGULATOR_MODE_STANDBY,
 474                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 475                                         | REGULATOR_CHANGE_STATUS,
 476         },
 477         .num_consumer_supplies  = ARRAY_SIZE(pandora_vaux4_supplies),
 478         .consumer_supplies      = pandora_vaux4_supplies,
 479 };
 480
 481 /* VSIM for audio DAC */
 482 static struct regulator_init_data pandora_vsim = {
 483         .constraints = {
 484                 .min_uV                 = 2800000,
 485                 .max_uV                 = 2800000,
 486                 .apply_uV               = true,
 487                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 488                                         | REGULATOR_MODE_STANDBY,
 489                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 490                                         | REGULATOR_CHANGE_STATUS,
 491         },
 492         .num_consumer_supplies  = 1,
 493         .consumer_supplies      = &pandora_adac_supply,
 494 };
 495
 496 /* Fixed regulator internal to Wifi module */
 497 static struct regulator_init_data pandora_vmmc3 = {
 498         .constraints = {
 499                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 500         },
 501         .num_consumer_supplies  = 1,
 502         .consumer_supplies      = &pandora_vmmc3_supply,
 503 };
 504
 505 static struct fixed_voltage_config pandora_vwlan = {
 506         .supply_name            = "vwlan",
 507         .microvolts             = 1800000, /* 1.8V */
 508         .gpio                   = PANDORA_WIFI_NRESET_GPIO,
 509         .startup_delay          = 50000, /* 50ms */
 510         .enable_high            = 1,
 511         .enabled_at_boot        = 0,
 512         .init_data              = &pandora_vmmc3,
 513 };
 514
 515 static struct platform_device pandora_vwlan_device = {
 516         .name           = "reg-fixed-voltage",
 517         .id             = 1,
 518         .dev = {
 519                 .platform_data = &pandora_vwlan,
 520         },
 521 };
 522
 523 static struct twl4030_usb_data omap3pandora_usb_data = {
 524         .usb_mode       = T2_USB_MODE_ULPI,
 525 };
 526
 527 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
 528         .audio_mclk = 26000000,
 529 };
 530
 531 static struct twl4030_codec_data omap3pandora_codec_data = {
 532         .audio_mclk = 26000000,
 533         .audio = &omap3pandora_audio_data,
 534 };
 535
 536 static struct twl4030_bci_platform_data pandora_bci_data;
 537
 538 static struct twl4030_platform_data omap3pandora_twldata = {
 539         .irq_base       = TWL4030_IRQ_BASE,
 540         .irq_end        = TWL4030_IRQ_END,
 541         .gpio           = &omap3pandora_gpio_data,
 542         .usb            = &omap3pandora_usb_data,
 543         .codec          = &omap3pandora_codec_data,
 544         .vmmc1          = &pandora_vmmc1,
 545         .vmmc2          = &pandora_vmmc2,
 546         .vdac           = &pandora_vdac,
 547         .vpll2          = &pandora_vpll2,
 548         .vaux1          = &pandora_vaux1,
 549         .vaux2          = &pandora_vaux2,
 550         .vaux4          = &pandora_vaux4,
 551         .vsim           = &pandora_vsim,
 552         .keypad         = &pandora_kp_data,
 553         .bci            = &pandora_bci_data,
 554 };
 555
 556 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
 557         {
 558                 I2C_BOARD_INFO("tps65950", 0x48),
 559                 .flags = I2C_CLIENT_WAKE,
 560                 .irq = INT_34XX_SYS_NIRQ,
 561                 .platform_data = &omap3pandora_twldata,
 562         },
 563 };
 564
 565 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
 566         {
 567                 I2C_BOARD_INFO("bq27500", 0x55),
 568                 .flags = I2C_CLIENT_WAKE,
 569         },
 570 };
 571
 572 static int __init omap3pandora_i2c_init(void)
 573 {
 574         omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
 575                         ARRAY_SIZE(omap3pandora_i2c_boardinfo));
 576         /* i2c2 pins are not connected */
 577         omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
 578                         ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
 579         return 0;
 580 }
 581
 582 static void __init omap3pandora_ads7846_init(void)
 583 {
 584         int gpio = OMAP3_PANDORA_TS_GPIO;
 585         int ret;
 586
 587         ret = gpio_request(gpio, "ads7846_pen_down");
 588         if (ret < 0) {
 589                 printk(KERN_ERR "Failed to request GPIO %d for "
 590                                 "ads7846 pen down IRQ\n", gpio);
 591                 return;
 592         }
 593
 594         gpio_direction_input(gpio);
 595 }
 596
 597 static int ads7846_get_pendown_state(void)
 598 {
 599         return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
 600 }
 601
 602 static struct ads7846_platform_data ads7846_config = {
 603         .x_max                  = 0x0fff,
 604         .y_max                  = 0x0fff,
 605         .x_plate_ohms           = 180,
 606         .pressure_max           = 255,
 607         .debounce_max           = 10,
 608         .debounce_tol           = 3,
 609         .debounce_rep           = 1,
 610         .get_pendown_state      = ads7846_get_pendown_state,
 611         .keep_vref_on           = 1,
 612 };
 613
 614 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 615         .turbo_mode     = 0,
 616         .single_channel = 1,    /* 0: slave, 1: master */
 617 };
 618
 619 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
 620         {
 621                 .modalias               = "ads7846",
 622                 .bus_num                = 1,
 623                 .chip_select            = 0,
 624                 .max_speed_hz           = 1500000,
 625                 .controller_data        = &ads7846_mcspi_config,
 626                 .irq                    = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
 627                 .platform_data          = &ads7846_config,
 628         }, {
 629                 .modalias               = "tpo_td043mtea1_panel_spi",
 630                 .bus_num                = 1,
 631                 .chip_select            = 1,
 632                 .max_speed_hz           = 375000,
 633                 .platform_data          = &pandora_lcd_device,
 634         }
 635 };
 636
 637 static void __init omap3pandora_init_irq(void)
 638 {
 639         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 640                              mt46h32m32lf6_sdrc_params);
 641         omap_init_irq();
 642         omap_gpio_init();
 643 }
 644
 645 static void pandora_wl1251_set_power(bool enable)
 646 {
 647         /*
 648          * Keep power always on until wl1251_sdio driver learns to re-init
 649          * the chip after powering it down and back up.
 650          */
 651 }
 652
 653 static struct wl12xx_platform_data pandora_wl1251_pdata = {
 654         .set_power      = pandora_wl1251_set_power,
 655         .use_eeprom     = true,
 656 };
 657
 658 static struct platform_device pandora_wl1251_data = {
 659         .name           = "wl1251_data",
 660         .id             = -1,
 661         .dev            = {
 662                 .platform_data  = &pandora_wl1251_pdata,
 663         },
 664 };
 665
 666 static void pandora_wl1251_init(void)
 667 {
 668         int ret;
 669
 670         ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
 671         if (ret < 0)
 672                 goto fail;
 673
 674         ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
 675         if (ret < 0)
 676                 goto fail_irq;
 677
 678         pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
 679         if (pandora_wl1251_pdata.irq < 0)
 680                 goto fail_irq;
 681
 682         return;
 683
 684 fail_irq:
 685         gpio_free(PANDORA_WIFI_IRQ_GPIO);
 686 fail:
 687         printk(KERN_ERR "wl1251 board initialisation failed\n");
 688 }
 689
 690 static struct platform_device *omap3pandora_devices[] __initdata = {
 691         &pandora_leds_gpio,
 692         &pandora_keys_gpio,
 693         &pandora_dss_device,
 694         &pandora_wl1251_data,
 695         &pandora_vwlan_device,
 696 };
 697
 698 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 699
 700         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 701         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 702         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 703
 704         .phy_reset  = true,
 705         .reset_gpio_port[0]  = 16,
 706         .reset_gpio_port[1]  = -EINVAL,
 707         .reset_gpio_port[2]  = -EINVAL
 708 };
 709
 710 #ifdef CONFIG_OMAP_MUX
 711 static struct omap_board_mux board_mux[] __initdata = {
 712         { .reg_offset = OMAP_MUX_TERMINATOR },
 713 };
 714 #else
 715 #define board_mux       NULL
 716 #endif
 717
 718 static struct omap_musb_board_data musb_board_data = {
 719         .interface_type         = MUSB_INTERFACE_ULPI,
 720         .mode                   = MUSB_OTG,
 721         .power                  = 100,
 722 };
 723
 724 static void __init omap3pandora_init(void)
 725 {
 726         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 727         omap3pandora_i2c_init();
 728         pandora_wl1251_init();
 729         platform_add_devices(omap3pandora_devices,
 730                         ARRAY_SIZE(omap3pandora_devices));
 731         omap_serial_init();
 732         spi_register_board_info(omap3pandora_spi_board_info,
 733                         ARRAY_SIZE(omap3pandora_spi_board_info));
 734         omap3pandora_ads7846_init();
 735         usb_ehci_init(&ehci_pdata);
 736         usb_musb_init(&musb_board_data);
 737         gpmc_nand_init(&pandora_nand_data);
 738
 739         /* Ensure SDRC pins are mux'd for self-refresh */
 740         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 741         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 742 }
 743
 744 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
 745         .boot_params    = 0x80000100,
 746         .map_io         = omap3_map_io,
 747         .reserve        = omap_reserve,
 748         .init_irq       = omap3pandora_init_irq,
 749         .init_machine   = omap3pandora_init,
 750         .timer          = &omap_timer,
 751 MACHINE_END