linux/arch/arm/mach-omap2/board-omap3pandora.c
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   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
  62static 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
  87static 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
  94static 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
 112static struct gpio_led_platform_data pandora_gpio_led_data = {
 113        .leds           = pandora_gpio_leds,
 114        .num_leds       = ARRAY_SIZE(pandora_gpio_leds),
 115};
 116
 117static 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
 138static 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
 158static struct gpio_keys_platform_data pandora_gpio_key_info = {
 159        .buttons        = pandora_gpio_keys,
 160        .nbuttons       = ARRAY_SIZE(pandora_gpio_keys),
 161};
 162
 163static 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
 171static 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
 218static struct matrix_keymap_data board_map_data = {
 219        .keymap                 = board_keymap,
 220        .keymap_size            = ARRAY_SIZE(board_keymap),
 221};
 222
 223static struct twl4030_keypad_data pandora_kp_data = {
 224        .keymap_data    = &board_map_data,
 225        .rows           = 8,
 226        .cols           = 6,
 227        .rep            = 1,
 228};
 229
 230static 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
 238static 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
 245static struct omap_dss_device *pandora_dss_devices[] = {
 246        &pandora_lcd_device,
 247        &pandora_tv_device,
 248};
 249
 250static 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
 256static struct platform_device pandora_dss_device = {
 257        .name           = "omapdss",
 258        .id             = -1,
 259        .dev            = {
 260                .platform_data = &pandora_dss_data,
 261        },
 262};
 263
 264static 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
 278static 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 | MMC_CAP_POWER_OFF_CARD,
 297                .gpio_cd        = -EINVAL,
 298                .gpio_wp        = -EINVAL,
 299                .init_card      = pandora_wl1251_init_card,
 300        },
 301        {}      /* Terminator */
 302};
 303
 304static 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
 330fail_direction:
 331        gpio_free(gpio_32khz);
 332fail:
 333        return -ENODEV;
 334}
 335
 336static 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
 343static struct regulator_consumer_supply pandora_vmmc1_supply =
 344        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
 345
 346static struct regulator_consumer_supply pandora_vmmc2_supply =
 347        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
 348
 349static struct regulator_consumer_supply pandora_vmmc3_supply =
 350        REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.2");
 351
 352static struct regulator_consumer_supply pandora_vdda_dac_supply =
 353        REGULATOR_SUPPLY("vdda_dac", "omapdss");
 354
 355static struct regulator_consumer_supply pandora_vdds_supplies[] = {
 356        REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
 357        REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 358};
 359
 360static struct regulator_consumer_supply pandora_vcc_lcd_supply =
 361        REGULATOR_SUPPLY("vcc", "display0");
 362
 363static 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 */
 367static 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
 373static 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) */
 377static 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) */
 392static 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 */
 407static 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 */
 422static 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 */
 437static 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 */
 452static 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 */
 467static 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 */
 482static 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 */
 497static 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
 505static 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
 515static struct platform_device pandora_vwlan_device = {
 516        .name           = "reg-fixed-voltage",
 517        .id             = 1,
 518        .dev = {
 519                .platform_data = &pandora_vwlan,
 520        },
 521};
 522
 523static struct twl4030_usb_data omap3pandora_usb_data = {
 524        .usb_mode       = T2_USB_MODE_ULPI,
 525};
 526
 527static struct twl4030_codec_audio_data omap3pandora_audio_data = {
 528        .audio_mclk = 26000000,
 529};
 530
 531static struct twl4030_codec_data omap3pandora_codec_data = {
 532        .audio_mclk = 26000000,
 533        .audio = &omap3pandora_audio_data,
 534};
 535
 536static struct twl4030_bci_platform_data pandora_bci_data;
 537
 538static 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
 556static 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
 565static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
 566        {
 567                I2C_BOARD_INFO("bq27500", 0x55),
 568                .flags = I2C_CLIENT_WAKE,
 569        },
 570};
 571
 572static 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
 582static 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
 597static int ads7846_get_pendown_state(void)
 598{
 599        return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
 600}
 601
 602static 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
 614static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 615        .turbo_mode     = 0,
 616        .single_channel = 1,    /* 0: slave, 1: master */
 617};
 618
 619static 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
 637static void __init omap3pandora_init_irq(void)
 638{
 639        omap2_init_common_infrastructure();
 640        omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 641                                  mt46h32m32lf6_sdrc_params);
 642        omap_init_irq();
 643}
 644
 645static void __init pandora_wl1251_init(void)
 646{
 647        struct wl12xx_platform_data pandora_wl1251_pdata;
 648        int ret;
 649
 650        memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
 651
 652        ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
 653        if (ret < 0)
 654                goto fail;
 655
 656        ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
 657        if (ret < 0)
 658                goto fail_irq;
 659
 660        pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
 661        if (pandora_wl1251_pdata.irq < 0)
 662                goto fail_irq;
 663
 664        pandora_wl1251_pdata.use_eeprom = true;
 665        ret = wl12xx_set_platform_data(&pandora_wl1251_pdata);
 666        if (ret < 0)
 667                goto fail_irq;
 668
 669        return;
 670
 671fail_irq:
 672        gpio_free(PANDORA_WIFI_IRQ_GPIO);
 673fail:
 674        printk(KERN_ERR "wl1251 board initialisation failed\n");
 675}
 676
 677static struct platform_device *omap3pandora_devices[] __initdata = {
 678        &pandora_leds_gpio,
 679        &pandora_keys_gpio,
 680        &pandora_dss_device,
 681        &pandora_vwlan_device,
 682};
 683
 684static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 685
 686        .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 687        .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 688        .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 689
 690        .phy_reset  = true,
 691        .reset_gpio_port[0]  = 16,
 692        .reset_gpio_port[1]  = -EINVAL,
 693        .reset_gpio_port[2]  = -EINVAL
 694};
 695
 696#ifdef CONFIG_OMAP_MUX
 697static struct omap_board_mux board_mux[] __initdata = {
 698        { .reg_offset = OMAP_MUX_TERMINATOR },
 699};
 700#endif
 701
 702static struct omap_musb_board_data musb_board_data = {
 703        .interface_type         = MUSB_INTERFACE_ULPI,
 704        .mode                   = MUSB_OTG,
 705        .power                  = 100,
 706};
 707
 708static void __init omap3pandora_init(void)
 709{
 710        omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 711        omap3pandora_i2c_init();
 712        pandora_wl1251_init();
 713        platform_add_devices(omap3pandora_devices,
 714                        ARRAY_SIZE(omap3pandora_devices));
 715        omap_serial_init();
 716        spi_register_board_info(omap3pandora_spi_board_info,
 717                        ARRAY_SIZE(omap3pandora_spi_board_info));
 718        omap3pandora_ads7846_init();
 719        usb_ehci_init(&ehci_pdata);
 720        usb_musb_init(&musb_board_data);
 721        gpmc_nand_init(&pandora_nand_data);
 722
 723        /* Ensure SDRC pins are mux'd for self-refresh */
 724        omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 725        omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 726}
 727
 728MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
 729        .boot_params    = 0x80000100,
 730        .map_io         = omap3_map_io,
 731        .reserve        = omap_reserve,
 732        .init_irq       = omap3pandora_init_irq,
 733        .init_machine   = omap3pandora_init,
 734        .timer          = &omap_timer,
 735MACHINE_END
 736