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/spi/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
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41
  42 #include <plat/board.h>
  43 #include <plat/common.h>
  44 #include <mach/gpio.h>
  45 #include <mach/hardware.h>
  46 #include <plat/mcspi.h>
  47 #include <plat/usb.h>
  48 #include <plat/display.h>
  49 #include <plat/nand.h>
  50
  51 #include "mux.h"
  52 #include "sdram-micron-mt46h32m32lf-6.h"
  53 #include "hsmmc.h"
  54
  55 #define PANDORA_WIFI_IRQ_GPIO           21
  56 #define PANDORA_WIFI_NRESET_GPIO        23
  57 #define OMAP3_PANDORA_TS_GPIO           94
  58
  59 #define NAND_BLOCK_SIZE                 SZ_128K
  60
  61 static struct mtd_partition omap3pandora_nand_partitions[] = {
  62         {
  63                 .name           = "xloader",
  64                 .offset         = 0,
  65                 .size           = 4 * NAND_BLOCK_SIZE,
  66                 .mask_flags     = MTD_WRITEABLE
  67         }, {
  68                 .name           = "uboot",
  69                 .offset         = MTDPART_OFS_APPEND,
  70                 .size           = 15 * NAND_BLOCK_SIZE,
  71         }, {
  72                 .name           = "uboot-env",
  73                 .offset         = MTDPART_OFS_APPEND,
  74                 .size           = 1 * NAND_BLOCK_SIZE,
  75         }, {
  76                 .name           = "boot",
  77                 .offset         = MTDPART_OFS_APPEND,
  78                 .size           = 80 * NAND_BLOCK_SIZE,
  79         }, {
  80                 .name           = "rootfs",
  81                 .offset         = MTDPART_OFS_APPEND,
  82                 .size           = MTDPART_SIZ_FULL,
  83         },
  84 };
  85
  86 static struct omap_nand_platform_data pandora_nand_data = {
  87         .cs             = 0,
  88         .devsize        = 1,    /* '0' for 8-bit, '1' for 16-bit device */
  89         .parts          = omap3pandora_nand_partitions,
  90         .nr_parts       = ARRAY_SIZE(omap3pandora_nand_partitions),
  91 };
  92
  93 static struct gpio_led pandora_gpio_leds[] = {
  94         {
  95                 .name                   = "pandora::sd1",
  96                 .default_trigger        = "mmc0",
  97                 .gpio                   = 128,
  98         }, {
  99                 .name                   = "pandora::sd2",
 100                 .default_trigger        = "mmc1",
 101                 .gpio                   = 129,
 102         }, {
 103                 .name                   = "pandora::bluetooth",
 104                 .gpio                   = 158,
 105         }, {
 106                 .name                   = "pandora::wifi",
 107                 .gpio                   = 159,
 108         },
 109 };
 110
 111 static struct gpio_led_platform_data pandora_gpio_led_data = {
 112         .leds           = pandora_gpio_leds,
 113         .num_leds       = ARRAY_SIZE(pandora_gpio_leds),
 114 };
 115
 116 static struct platform_device pandora_leds_gpio = {
 117         .name   = "leds-gpio",
 118         .id     = -1,
 119         .dev    = {
 120                 .platform_data  = &pandora_gpio_led_data,
 121         },
 122 };
 123
 124 #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
 125 {                                                               \
 126         .gpio           = gpio_num,                             \
 127         .type           = ev_type,                              \
 128         .code           = ev_code,                              \
 129         .active_low     = act_low,                              \
 130         .debounce_interval = 4,                                 \
 131         .desc           = "btn " descr,                         \
 132 }
 133
 134 #define GPIO_BUTTON_LOW(gpio_num, event_code, description)      \
 135         GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
 136
 137 static struct gpio_keys_button pandora_gpio_keys[] = {
 138         GPIO_BUTTON_LOW(110,    KEY_UP,         "up"),
 139         GPIO_BUTTON_LOW(103,    KEY_DOWN,       "down"),
 140         GPIO_BUTTON_LOW(96,     KEY_LEFT,       "left"),
 141         GPIO_BUTTON_LOW(98,     KEY_RIGHT,      "right"),
 142         GPIO_BUTTON_LOW(109,    KEY_PAGEUP,     "game 1"),
 143         GPIO_BUTTON_LOW(111,    KEY_END,        "game 2"),
 144         GPIO_BUTTON_LOW(106,    KEY_PAGEDOWN,   "game 3"),
 145         GPIO_BUTTON_LOW(101,    KEY_HOME,       "game 4"),
 146         GPIO_BUTTON_LOW(102,    KEY_RIGHTSHIFT, "l"),
 147         GPIO_BUTTON_LOW(97,     KEY_KPPLUS,     "l2"),
 148         GPIO_BUTTON_LOW(105,    KEY_RIGHTCTRL,  "r"),
 149         GPIO_BUTTON_LOW(107,    KEY_KPMINUS,    "r2"),
 150         GPIO_BUTTON_LOW(104,    KEY_LEFTCTRL,   "ctrl"),
 151         GPIO_BUTTON_LOW(99,     KEY_MENU,       "menu"),
 152         GPIO_BUTTON_LOW(176,    KEY_COFFEE,     "hold"),
 153         GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
 154         GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
 155 };
 156
 157 static struct gpio_keys_platform_data pandora_gpio_key_info = {
 158         .buttons        = pandora_gpio_keys,
 159         .nbuttons       = ARRAY_SIZE(pandora_gpio_keys),
 160 };
 161
 162 static struct platform_device pandora_keys_gpio = {
 163         .name   = "gpio-keys",
 164         .id     = -1,
 165         .dev    = {
 166                 .platform_data  = &pandora_gpio_key_info,
 167         },
 168 };
 169
 170 static const uint32_t board_keymap[] = {
 171         /* row, col, code */
 172         KEY(0, 0, KEY_9),
 173         KEY(0, 1, KEY_8),
 174         KEY(0, 2, KEY_I),
 175         KEY(0, 3, KEY_J),
 176         KEY(0, 4, KEY_N),
 177         KEY(0, 5, KEY_M),
 178         KEY(1, 0, KEY_0),
 179         KEY(1, 1, KEY_7),
 180         KEY(1, 2, KEY_U),
 181         KEY(1, 3, KEY_H),
 182         KEY(1, 4, KEY_B),
 183         KEY(1, 5, KEY_SPACE),
 184         KEY(2, 0, KEY_BACKSPACE),
 185         KEY(2, 1, KEY_6),
 186         KEY(2, 2, KEY_Y),
 187         KEY(2, 3, KEY_G),
 188         KEY(2, 4, KEY_V),
 189         KEY(2, 5, KEY_FN),
 190         KEY(3, 0, KEY_O),
 191         KEY(3, 1, KEY_5),
 192         KEY(3, 2, KEY_T),
 193         KEY(3, 3, KEY_F),
 194         KEY(3, 4, KEY_C),
 195         KEY(4, 0, KEY_P),
 196         KEY(4, 1, KEY_4),
 197         KEY(4, 2, KEY_R),
 198         KEY(4, 3, KEY_D),
 199         KEY(4, 4, KEY_X),
 200         KEY(5, 0, KEY_K),
 201         KEY(5, 1, KEY_3),
 202         KEY(5, 2, KEY_E),
 203         KEY(5, 3, KEY_S),
 204         KEY(5, 4, KEY_Z),
 205         KEY(6, 0, KEY_L),
 206         KEY(6, 1, KEY_2),
 207         KEY(6, 2, KEY_W),
 208         KEY(6, 3, KEY_A),
 209         KEY(6, 4, KEY_DOT),
 210         KEY(7, 0, KEY_ENTER),
 211         KEY(7, 1, KEY_1),
 212         KEY(7, 2, KEY_Q),
 213         KEY(7, 3, KEY_LEFTSHIFT),
 214         KEY(7, 4, KEY_COMMA),
 215 };
 216
 217 static struct matrix_keymap_data board_map_data = {
 218         .keymap                 = board_keymap,
 219         .keymap_size            = ARRAY_SIZE(board_keymap),
 220 };
 221
 222 static struct twl4030_keypad_data pandora_kp_data = {
 223         .keymap_data    = &board_map_data,
 224         .rows           = 8,
 225         .cols           = 6,
 226         .rep            = 1,
 227 };
 228
 229 static struct omap_dss_device pandora_lcd_device = {
 230         .name                   = "lcd",
 231         .driver_name            = "tpo_td043mtea1_panel",
 232         .type                   = OMAP_DISPLAY_TYPE_DPI,
 233         .phy.dpi.data_lines     = 24,
 234         .reset_gpio             = 157,
 235 };
 236
 237 static struct omap_dss_device pandora_tv_device = {
 238         .name                   = "tv",
 239         .driver_name            = "venc",
 240         .type                   = OMAP_DISPLAY_TYPE_VENC,
 241         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 242 };
 243
 244 static struct omap_dss_device *pandora_dss_devices[] = {
 245         &pandora_lcd_device,
 246         &pandora_tv_device,
 247 };
 248
 249 static struct omap_dss_board_info pandora_dss_data = {
 250         .num_devices    = ARRAY_SIZE(pandora_dss_devices),
 251         .devices        = pandora_dss_devices,
 252         .default_device = &pandora_lcd_device,
 253 };
 254
 255 static struct platform_device pandora_dss_device = {
 256         .name           = "omapdss",
 257         .id             = -1,
 258         .dev            = {
 259                 .platform_data = &pandora_dss_data,
 260         },
 261 };
 262
 263 static void pandora_wl1251_init_card(struct mmc_card *card)
 264 {
 265         /*
 266          * We have TI wl1251 attached to MMC3. Pass this information to
 267          * SDIO core because it can't be probed by normal methods.
 268          */
 269         card->quirks |= MMC_QUIRK_NONSTD_SDIO;
 270         card->cccr.wide_bus = 1;
 271         card->cis.vendor = 0x104c;
 272         card->cis.device = 0x9066;
 273         card->cis.blksize = 512;
 274         card->cis.max_dtr = 20000000;
 275 }
 276
 277 static struct omap2_hsmmc_info omap3pandora_mmc[] = {
 278         {
 279                 .mmc            = 1,
 280                 .caps           = MMC_CAP_4_BIT_DATA,
 281                 .gpio_cd        = -EINVAL,
 282                 .gpio_wp        = 126,
 283                 .ext_clock      = 0,
 284         },
 285         {
 286                 .mmc            = 2,
 287                 .caps           = MMC_CAP_4_BIT_DATA,
 288                 .gpio_cd        = -EINVAL,
 289                 .gpio_wp        = 127,
 290                 .ext_clock      = 1,
 291                 .transceiver    = true,
 292         },
 293         {
 294                 .mmc            = 3,
 295                 .caps           = MMC_CAP_4_BIT_DATA,
 296                 .gpio_cd        = -EINVAL,
 297                 .gpio_wp        = -EINVAL,
 298                 .init_card      = pandora_wl1251_init_card,
 299         },
 300         {}      /* Terminator */
 301 };
 302
 303 static int omap3pandora_twl_gpio_setup(struct device *dev,
 304                 unsigned gpio, unsigned ngpio)
 305 {
 306         int ret, gpio_32khz;
 307
 308         /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
 309         omap3pandora_mmc[0].gpio_cd = gpio + 0;
 310         omap3pandora_mmc[1].gpio_cd = gpio + 1;
 311         omap2_hsmmc_init(omap3pandora_mmc);
 312
 313         /* gpio + 13 drives 32kHz buffer for wifi module */
 314         gpio_32khz = gpio + 13;
 315         ret = gpio_request(gpio_32khz, "wifi 32kHz");
 316         if (ret < 0) {
 317                 pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
 318                 goto fail;
 319         }
 320
 321         ret = gpio_direction_output(gpio_32khz, 1);
 322         if (ret < 0) {
 323                 pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
 324                 goto fail_direction;
 325         }
 326
 327         return 0;
 328
 329 fail_direction:
 330         gpio_free(gpio_32khz);
 331 fail:
 332         return -ENODEV;
 333 }
 334
 335 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
 336         .gpio_base      = OMAP_MAX_GPIO_LINES,
 337         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 338         .irq_end        = TWL4030_GPIO_IRQ_END,
 339         .setup          = omap3pandora_twl_gpio_setup,
 340 };
 341
 342 static struct regulator_consumer_supply pandora_vmmc1_supply =
 343         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");
 344
 345 static struct regulator_consumer_supply pandora_vmmc2_supply =
 346         REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.1");
 347
 348 static struct regulator_consumer_supply pandora_vdda_dac_supply =
 349         REGULATOR_SUPPLY("vdda_dac", "omapdss");
 350
 351 static struct regulator_consumer_supply pandora_vdds_supplies[] = {
 352         REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
 353         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 354 };
 355
 356 static struct regulator_consumer_supply pandora_vcc_lcd_supply =
 357         REGULATOR_SUPPLY("vcc", "display0");
 358
 359 static struct regulator_consumer_supply pandora_usb_phy_supply =
 360         REGULATOR_SUPPLY("hsusb0", "ehci-omap.0");
 361
 362 /* ads7846 on SPI and 2 nub controllers on I2C */
 363 static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
 364         REGULATOR_SUPPLY("vcc", "spi1.0"),
 365         REGULATOR_SUPPLY("vcc", "3-0066"),
 366         REGULATOR_SUPPLY("vcc", "3-0067"),
 367 };
 368
 369 static struct regulator_consumer_supply pandora_adac_supply =
 370         REGULATOR_SUPPLY("vcc", "soc-audio");
 371
 372 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 373 static struct regulator_init_data pandora_vmmc1 = {
 374         .constraints = {
 375                 .min_uV                 = 1850000,
 376                 .max_uV                 = 3150000,
 377                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 378                                         | REGULATOR_MODE_STANDBY,
 379                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 380                                         | REGULATOR_CHANGE_MODE
 381                                         | REGULATOR_CHANGE_STATUS,
 382         },
 383         .num_consumer_supplies  = 1,
 384         .consumer_supplies      = &pandora_vmmc1_supply,
 385 };
 386
 387 /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
 388 static struct regulator_init_data pandora_vmmc2 = {
 389         .constraints = {
 390                 .min_uV                 = 1850000,
 391                 .max_uV                 = 3150000,
 392                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 393                                         | REGULATOR_MODE_STANDBY,
 394                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 395                                         | REGULATOR_CHANGE_MODE
 396                                         | REGULATOR_CHANGE_STATUS,
 397         },
 398         .num_consumer_supplies  = 1,
 399         .consumer_supplies      = &pandora_vmmc2_supply,
 400 };
 401
 402 /* VDAC for DSS driving S-Video */
 403 static struct regulator_init_data pandora_vdac = {
 404         .constraints = {
 405                 .min_uV                 = 1800000,
 406                 .max_uV                 = 1800000,
 407                 .apply_uV               = true,
 408                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 409                                         | REGULATOR_MODE_STANDBY,
 410                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 411                                         | REGULATOR_CHANGE_STATUS,
 412         },
 413         .num_consumer_supplies  = 1,
 414         .consumer_supplies      = &pandora_vdda_dac_supply,
 415 };
 416
 417 /* VPLL2 for digital video outputs */
 418 static struct regulator_init_data pandora_vpll2 = {
 419         .constraints = {
 420                 .min_uV                 = 1800000,
 421                 .max_uV                 = 1800000,
 422                 .apply_uV               = true,
 423                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 424                                         | REGULATOR_MODE_STANDBY,
 425                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 426                                         | REGULATOR_CHANGE_STATUS,
 427         },
 428         .num_consumer_supplies  = ARRAY_SIZE(pandora_vdds_supplies),
 429         .consumer_supplies      = pandora_vdds_supplies,
 430 };
 431
 432 /* VAUX1 for LCD */
 433 static struct regulator_init_data pandora_vaux1 = {
 434         .constraints = {
 435                 .min_uV                 = 3000000,
 436                 .max_uV                 = 3000000,
 437                 .apply_uV               = true,
 438                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 439                                         | REGULATOR_MODE_STANDBY,
 440                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 441                                         | REGULATOR_CHANGE_STATUS,
 442         },
 443         .num_consumer_supplies  = 1,
 444         .consumer_supplies      = &pandora_vcc_lcd_supply,
 445 };
 446
 447 /* VAUX2 for USB host PHY */
 448 static struct regulator_init_data pandora_vaux2 = {
 449         .constraints = {
 450                 .min_uV                 = 1800000,
 451                 .max_uV                 = 1800000,
 452                 .apply_uV               = true,
 453                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 454                                         | REGULATOR_MODE_STANDBY,
 455                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 456                                         | REGULATOR_CHANGE_STATUS,
 457         },
 458         .num_consumer_supplies  = 1,
 459         .consumer_supplies      = &pandora_usb_phy_supply,
 460 };
 461
 462 /* VAUX4 for ads7846 and nubs */
 463 static struct regulator_init_data pandora_vaux4 = {
 464         .constraints = {
 465                 .min_uV                 = 2800000,
 466                 .max_uV                 = 2800000,
 467                 .apply_uV               = true,
 468                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 469                                         | REGULATOR_MODE_STANDBY,
 470                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 471                                         | REGULATOR_CHANGE_STATUS,
 472         },
 473         .num_consumer_supplies  = ARRAY_SIZE(pandora_vaux4_supplies),
 474         .consumer_supplies      = pandora_vaux4_supplies,
 475 };
 476
 477 /* VSIM for audio DAC */
 478 static struct regulator_init_data pandora_vsim = {
 479         .constraints = {
 480                 .min_uV                 = 2800000,
 481                 .max_uV                 = 2800000,
 482                 .apply_uV               = true,
 483                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 484                                         | REGULATOR_MODE_STANDBY,
 485                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 486                                         | REGULATOR_CHANGE_STATUS,
 487         },
 488         .num_consumer_supplies  = 1,
 489         .consumer_supplies      = &pandora_adac_supply,
 490 };
 491
 492 static struct twl4030_usb_data omap3pandora_usb_data = {
 493         .usb_mode       = T2_USB_MODE_ULPI,
 494 };
 495
 496 static struct twl4030_codec_audio_data omap3pandora_audio_data = {
 497         .audio_mclk = 26000000,
 498 };
 499
 500 static struct twl4030_codec_data omap3pandora_codec_data = {
 501         .audio_mclk = 26000000,
 502         .audio = &omap3pandora_audio_data,
 503 };
 504
 505 static struct twl4030_platform_data omap3pandora_twldata = {
 506         .irq_base       = TWL4030_IRQ_BASE,
 507         .irq_end        = TWL4030_IRQ_END,
 508         .gpio           = &omap3pandora_gpio_data,
 509         .usb            = &omap3pandora_usb_data,
 510         .codec          = &omap3pandora_codec_data,
 511         .vmmc1          = &pandora_vmmc1,
 512         .vmmc2          = &pandora_vmmc2,
 513         .vdac           = &pandora_vdac,
 514         .vpll2          = &pandora_vpll2,
 515         .vaux1          = &pandora_vaux1,
 516         .vaux2          = &pandora_vaux2,
 517         .vaux4          = &pandora_vaux4,
 518         .vsim           = &pandora_vsim,
 519         .keypad         = &pandora_kp_data,
 520 };
 521
 522 static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
 523         {
 524                 I2C_BOARD_INFO("tps65950", 0x48),
 525                 .flags = I2C_CLIENT_WAKE,
 526                 .irq = INT_34XX_SYS_NIRQ,
 527                 .platform_data = &omap3pandora_twldata,
 528         },
 529 };
 530
 531 static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
 532         {
 533                 I2C_BOARD_INFO("bq27500", 0x55),
 534                 .flags = I2C_CLIENT_WAKE,
 535         },
 536 };
 537
 538 static int __init omap3pandora_i2c_init(void)
 539 {
 540         omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
 541                         ARRAY_SIZE(omap3pandora_i2c_boardinfo));
 542         /* i2c2 pins are not connected */
 543         omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
 544                         ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
 545         return 0;
 546 }
 547
 548 static void __init omap3pandora_ads7846_init(void)
 549 {
 550         int gpio = OMAP3_PANDORA_TS_GPIO;
 551         int ret;
 552
 553         ret = gpio_request(gpio, "ads7846_pen_down");
 554         if (ret < 0) {
 555                 printk(KERN_ERR "Failed to request GPIO %d for "
 556                                 "ads7846 pen down IRQ\n", gpio);
 557                 return;
 558         }
 559
 560         gpio_direction_input(gpio);
 561 }
 562
 563 static int ads7846_get_pendown_state(void)
 564 {
 565         return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
 566 }
 567
 568 static struct ads7846_platform_data ads7846_config = {
 569         .x_max                  = 0x0fff,
 570         .y_max                  = 0x0fff,
 571         .x_plate_ohms           = 180,
 572         .pressure_max           = 255,
 573         .debounce_max           = 10,
 574         .debounce_tol           = 3,
 575         .debounce_rep           = 1,
 576         .get_pendown_state      = ads7846_get_pendown_state,
 577         .keep_vref_on           = 1,
 578 };
 579
 580 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 581         .turbo_mode     = 0,
 582         .single_channel = 1,    /* 0: slave, 1: master */
 583 };
 584
 585 static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
 586         {
 587                 .modalias               = "ads7846",
 588                 .bus_num                = 1,
 589                 .chip_select            = 0,
 590                 .max_speed_hz           = 1500000,
 591                 .controller_data        = &ads7846_mcspi_config,
 592                 .irq                    = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
 593                 .platform_data          = &ads7846_config,
 594         }, {
 595                 .modalias               = "tpo_td043mtea1_panel_spi",
 596                 .bus_num                = 1,
 597                 .chip_select            = 1,
 598                 .max_speed_hz           = 375000,
 599                 .platform_data          = &pandora_lcd_device,
 600         }
 601 };
 602
 603 static void __init omap3pandora_init_irq(void)
 604 {
 605         omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 606                              mt46h32m32lf6_sdrc_params);
 607         omap_init_irq();
 608         omap_gpio_init();
 609 }
 610
 611 static void pandora_wl1251_set_power(bool enable)
 612 {
 613         /*
 614          * Keep power always on until wl1251_sdio driver learns to re-init
 615          * the chip after powering it down and back up.
 616          */
 617 }
 618
 619 static struct wl12xx_platform_data pandora_wl1251_pdata = {
 620         .set_power      = pandora_wl1251_set_power,
 621         .use_eeprom     = true,
 622 };
 623
 624 static struct platform_device pandora_wl1251_data = {
 625         .name           = "wl1251_data",
 626         .id             = -1,
 627         .dev            = {
 628                 .platform_data  = &pandora_wl1251_pdata,
 629         },
 630 };
 631
 632 static void pandora_wl1251_init(void)
 633 {
 634         int ret;
 635
 636         ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
 637         if (ret < 0)
 638                 goto fail;
 639
 640         ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
 641         if (ret < 0)
 642                 goto fail_irq;
 643
 644         pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
 645         if (pandora_wl1251_pdata.irq < 0)
 646                 goto fail_irq;
 647
 648         ret = gpio_request(PANDORA_WIFI_NRESET_GPIO, "wl1251 nreset");
 649         if (ret < 0)
 650                 goto fail_irq;
 651
 652         /* start powered so that it probes with MMC subsystem */
 653         ret = gpio_direction_output(PANDORA_WIFI_NRESET_GPIO, 1);
 654         if (ret < 0)
 655                 goto fail_nreset;
 656
 657         return;
 658
 659 fail_nreset:
 660         gpio_free(PANDORA_WIFI_NRESET_GPIO);
 661 fail_irq:
 662         gpio_free(PANDORA_WIFI_IRQ_GPIO);
 663 fail:
 664         printk(KERN_ERR "wl1251 board initialisation failed\n");
 665 }
 666
 667 static struct platform_device *omap3pandora_devices[] __initdata = {
 668         &pandora_leds_gpio,
 669         &pandora_keys_gpio,
 670         &pandora_dss_device,
 671         &pandora_wl1251_data,
 672 };
 673
 674 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 675
 676         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 677         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 678         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 679
 680         .phy_reset  = true,
 681         .reset_gpio_port[0]  = 16,
 682         .reset_gpio_port[1]  = -EINVAL,
 683         .reset_gpio_port[2]  = -EINVAL
 684 };
 685
 686 #ifdef CONFIG_OMAP_MUX
 687 static struct omap_board_mux board_mux[] __initdata = {
 688         { .reg_offset = OMAP_MUX_TERMINATOR },
 689 };
 690 #else
 691 #define board_mux       NULL
 692 #endif
 693
 694 static struct omap_musb_board_data musb_board_data = {
 695         .interface_type         = MUSB_INTERFACE_ULPI,
 696         .mode                   = MUSB_OTG,
 697         .power                  = 100,
 698 };
 699
 700 static void __init omap3pandora_init(void)
 701 {
 702         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 703         omap3pandora_i2c_init();
 704         pandora_wl1251_init();
 705         platform_add_devices(omap3pandora_devices,
 706                         ARRAY_SIZE(omap3pandora_devices));
 707         omap_serial_init();
 708         spi_register_board_info(omap3pandora_spi_board_info,
 709                         ARRAY_SIZE(omap3pandora_spi_board_info));
 710         omap3pandora_ads7846_init();
 711         usb_ehci_init(&ehci_pdata);
 712         usb_musb_init(&musb_board_data);
 713         gpmc_nand_init(&pandora_nand_data);
 714
 715         /* Ensure SDRC pins are mux'd for self-refresh */
 716         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 717         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 718 }
 719
 720 MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
 721         .phys_io        = 0x48000000,
 722         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 723         .boot_params    = 0x80000100,
 724         .map_io         = omap3_map_io,
 725         .reserve        = omap_reserve,
 726         .init_irq       = omap3pandora_init_irq,
 727         .init_machine   = omap3pandora_init,
 728         .timer          = &omap_timer,
 729 MACHINE_END