arch/arm/mach-omap2/board-igep0020.c

   1 /*
   2  * Copyright (C) 2009 Integration Software and Electronic Engineering.
   3  *
   4  * Modified from mach-omap2/board-generic.c
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/delay.h>
  15 #include <linux/err.h>
  16 #include <linux/clk.h>
  17 #include <linux/io.h>
  18 #include <linux/gpio.h>
  19 #include <linux/interrupt.h>
  20 #include <linux/input.h>
  21
  22 #include <linux/regulator/machine.h>
  23 #include <linux/regulator/fixed.h>
  24 #include <linux/i2c/twl.h>
  25 #include <linux/mmc/host.h>
  26
  27 #include <linux/mtd/nand.h>
  28
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31
  32 #include "common.h"
  33 #include <plat/gpmc.h>
  34 #include <plat/usb.h>
  35 #include <plat/serial.h>
  36
  37 #include <video/omapdss.h>
  38 #include <video/omap-panel-tfp410.h>
  39 #include <plat/onenand.h>
  40
  41 #include "mux.h"
  42 #include "hsmmc.h"
  43 #include "sdram-numonyx-m65kxxxxam.h"
  44 #include "common-board-devices.h"
  45 #include "board-flash.h"
  46 #include "control.h"
  47
  48 #define IGEP2_SMSC911X_CS       5
  49 #define IGEP2_SMSC911X_GPIO     176
  50 #define IGEP2_GPIO_USBH_NRESET  24
  51 #define IGEP2_GPIO_LED0_GREEN   26
  52 #define IGEP2_GPIO_LED0_RED     27
  53 #define IGEP2_GPIO_LED1_RED     28
  54 #define IGEP2_GPIO_DVI_PUP      170
  55
  56 #define IGEP2_RB_GPIO_WIFI_NPD     94
  57 #define IGEP2_RB_GPIO_WIFI_NRESET  95
  58 #define IGEP2_RB_GPIO_BT_NRESET    137
  59 #define IGEP2_RC_GPIO_WIFI_NPD     138
  60 #define IGEP2_RC_GPIO_WIFI_NRESET  139
  61 #define IGEP2_RC_GPIO_BT_NRESET    137
  62
  63 #define IGEP3_GPIO_LED0_GREEN   54
  64 #define IGEP3_GPIO_LED0_RED     53
  65 #define IGEP3_GPIO_LED1_RED     16
  66 #define IGEP3_GPIO_USBH_NRESET  183
  67
  68 #define IGEP_SYSBOOT_MASK           0x1f
  69 #define IGEP_SYSBOOT_NAND           0x0f
  70 #define IGEP_SYSBOOT_ONENAND        0x10
  71
  72 /*
  73  * IGEP2 Hardware Revision Table
  74  *
  75  *  --------------------------------------------------------------------------
  76  * | Id. | Hw Rev.            | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
  77  *  --------------------------------------------------------------------------
  78  * |  0  | B                  |   high   |  gpio94  |   gpio95    |     -     |
  79  * |  0  | B/C (B-compatible) |   high   |  gpio94  |   gpio95    |  gpio137  |
  80  * |  1  | C                  |   low    |  gpio138 |   gpio139   |  gpio137  |
  81  *  --------------------------------------------------------------------------
  82  */
  83
  84 #define IGEP2_BOARD_HWREV_B     0
  85 #define IGEP2_BOARD_HWREV_C     1
  86 #define IGEP3_BOARD_HWREV       2
  87
  88 static u8 hwrev;
  89
  90 static void __init igep2_get_revision(void)
  91 {
  92         u8 ret;
  93
  94         if (machine_is_igep0030()) {
  95                 hwrev = IGEP3_BOARD_HWREV;
  96                 return;
  97         }
  98
  99         omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
 100
 101         if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
 102                 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
 103                 pr_err("IGEP2: Unknown Hardware Revision\n");
 104                 return;
 105         }
 106
 107         ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
 108         if (ret == 0) {
 109                 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
 110                 hwrev = IGEP2_BOARD_HWREV_C;
 111         } else if (ret ==  1) {
 112                 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
 113                 hwrev = IGEP2_BOARD_HWREV_B;
 114         } else {
 115                 pr_err("IGEP2: Unknown Hardware Revision\n");
 116                 hwrev = -1;
 117         }
 118
 119         gpio_free(IGEP2_GPIO_LED1_RED);
 120 }
 121
 122 #if defined(CONFIG_MTD_ONENAND_OMAP2) ||                \
 123         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) ||     \
 124         defined(CONFIG_MTD_NAND_OMAP2) ||               \
 125         defined(CONFIG_MTD_NAND_OMAP2_MODULE)
 126
 127 #define ONENAND_MAP             0x20000000
 128
 129 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
 130  * Since the device is equipped with two DataRAMs, and two-plane NAND
 131  * Flash memory array, these two component enables simultaneous program
 132  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
 133  * while Plane2 has only odd blocks such as block1, block3, block5.
 134  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
 135  */
 136
 137 static struct mtd_partition igep_flash_partitions[] = {
 138         {
 139                 .name           = "X-Loader",
 140                 .offset         = 0,
 141                 .size           = 2 * (64*(2*2048))
 142         },
 143         {
 144                 .name           = "U-Boot",
 145                 .offset         = MTDPART_OFS_APPEND,
 146                 .size           = 6 * (64*(2*2048)),
 147         },
 148         {
 149                 .name           = "Environment",
 150                 .offset         = MTDPART_OFS_APPEND,
 151                 .size           = 2 * (64*(2*2048)),
 152         },
 153         {
 154                 .name           = "Kernel",
 155                 .offset         = MTDPART_OFS_APPEND,
 156                 .size           = 12 * (64*(2*2048)),
 157         },
 158         {
 159                 .name           = "File System",
 160                 .offset         = MTDPART_OFS_APPEND,
 161                 .size           = MTDPART_SIZ_FULL,
 162         },
 163 };
 164
 165 static inline u32 igep_get_sysboot_value(void)
 166 {
 167         return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK;
 168 }
 169
 170 static void __init igep_flash_init(void)
 171 {
 172         u32 mux;
 173         mux = igep_get_sysboot_value();
 174
 175         if (mux == IGEP_SYSBOOT_NAND) {
 176                 pr_info("IGEP: initializing NAND memory device\n");
 177                 board_nand_init(igep_flash_partitions,
 178                                 ARRAY_SIZE(igep_flash_partitions),
 179                                 0, NAND_BUSWIDTH_16);
 180         } else if (mux == IGEP_SYSBOOT_ONENAND) {
 181                 pr_info("IGEP: initializing OneNAND memory device\n");
 182                 board_onenand_init(igep_flash_partitions,
 183                                    ARRAY_SIZE(igep_flash_partitions), 0);
 184         } else {
 185                 pr_err("IGEP: Flash: unsupported sysboot sequence found\n");
 186         }
 187 }
 188
 189 #else
 190 static void __init igep_flash_init(void) {}
 191 #endif
 192
 193 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 194
 195 #include <linux/smsc911x.h>
 196 #include <plat/gpmc-smsc911x.h>
 197
 198 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 199         .cs             = IGEP2_SMSC911X_CS,
 200         .gpio_irq       = IGEP2_SMSC911X_GPIO,
 201         .gpio_reset     = -EINVAL,
 202         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 203 };
 204
 205 static inline void __init igep2_init_smsc911x(void)
 206 {
 207         gpmc_smsc911x_init(&smsc911x_cfg);
 208 }
 209
 210 #else
 211 static inline void __init igep2_init_smsc911x(void) { }
 212 #endif
 213
 214 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
 215         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 216 };
 217
 218 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 219 static struct regulator_init_data igep_vmmc1 = {
 220         .constraints = {
 221                 .min_uV                 = 1850000,
 222                 .max_uV                 = 3150000,
 223                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 224                                         | REGULATOR_MODE_STANDBY,
 225                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 226                                         | REGULATOR_CHANGE_MODE
 227                                         | REGULATOR_CHANGE_STATUS,
 228         },
 229         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc1_supply),
 230         .consumer_supplies      = igep_vmmc1_supply,
 231 };
 232
 233 static struct regulator_consumer_supply igep_vio_supply[] = {
 234         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
 235 };
 236
 237 static struct regulator_init_data igep_vio = {
 238         .constraints = {
 239                 .min_uV                 = 1800000,
 240                 .max_uV                 = 1800000,
 241                 .apply_uV               = 1,
 242                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 243                                         | REGULATOR_MODE_STANDBY,
 244                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 245                                         | REGULATOR_CHANGE_MODE
 246                                         | REGULATOR_CHANGE_STATUS,
 247         },
 248         .num_consumer_supplies  = ARRAY_SIZE(igep_vio_supply),
 249         .consumer_supplies      = igep_vio_supply,
 250 };
 251
 252 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
 253         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 254 };
 255
 256 static struct regulator_init_data igep_vmmc2 = {
 257         .constraints            = {
 258                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 259                 .always_on              = 1,
 260         },
 261         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc2_supply),
 262         .consumer_supplies      = igep_vmmc2_supply,
 263 };
 264
 265 static struct fixed_voltage_config igep_vwlan = {
 266         .supply_name            = "vwlan",
 267         .microvolts             = 3300000,
 268         .gpio                   = -EINVAL,
 269         .enabled_at_boot        = 1,
 270         .init_data              = &igep_vmmc2,
 271 };
 272
 273 static struct platform_device igep_vwlan_device = {
 274         .name           = "reg-fixed-voltage",
 275         .id             = 0,
 276         .dev = {
 277                 .platform_data  = &igep_vwlan,
 278         },
 279 };
 280
 281 static struct omap2_hsmmc_info mmc[] = {
 282         {
 283                 .mmc            = 1,
 284                 .caps           = MMC_CAP_4_BIT_DATA,
 285                 .gpio_cd        = -EINVAL,
 286                 .gpio_wp        = -EINVAL,
 287                 .deferred       = true,
 288         },
 289 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 290         {
 291                 .mmc            = 2,
 292                 .caps           = MMC_CAP_4_BIT_DATA,
 293                 .gpio_cd        = -EINVAL,
 294                 .gpio_wp        = -EINVAL,
 295         },
 296 #endif
 297         {}      /* Terminator */
 298 };
 299
 300 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 301 #include <linux/leds.h>
 302
 303 static struct gpio_led igep_gpio_leds[] = {
 304         [0] = {
 305                 .name                   = "gpio-led:red:d0",
 306                 .default_trigger        = "default-off"
 307         },
 308         [1] = {
 309                 .name                   = "gpio-led:green:d0",
 310                 .default_trigger        = "default-off",
 311         },
 312         [2] = {
 313                 .name                   = "gpio-led:red:d1",
 314                 .default_trigger        = "default-off",
 315         },
 316         [3] = {
 317                 .name                   = "gpio-led:green:d1",
 318                 .default_trigger        = "heartbeat",
 319                 .gpio                   = -EINVAL, /* gets replaced */
 320                 .active_low             = 1,
 321         },
 322 };
 323
 324 static struct gpio_led_platform_data igep_led_pdata = {
 325         .leds           = igep_gpio_leds,
 326         .num_leds       = ARRAY_SIZE(igep_gpio_leds),
 327 };
 328
 329 static struct platform_device igep_led_device = {
 330          .name   = "leds-gpio",
 331          .id     = -1,
 332          .dev    = {
 333                  .platform_data  =  &igep_led_pdata,
 334         },
 335 };
 336
 337 static void __init igep_leds_init(void)
 338 {
 339         if (machine_is_igep0020()) {
 340                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 341                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 342                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 343         } else {
 344                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 345                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 346                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 347         }
 348
 349         platform_device_register(&igep_led_device);
 350 }
 351
 352 #else
 353 static struct gpio igep_gpio_leds[] __initdata = {
 354         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d0"   },
 355         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
 356         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d1"   },
 357 };
 358
 359 static inline void igep_leds_init(void)
 360 {
 361         int i;
 362
 363         if (machine_is_igep0020()) {
 364                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 365                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 366                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 367         } else {
 368                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 369                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 370                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 371         }
 372
 373         if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
 374                 pr_warning("IGEP v2: Could not obtain leds gpios\n");
 375                 return;
 376         }
 377
 378         for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
 379                 gpio_export(igep_gpio_leds[i].gpio, 0);
 380 }
 381 #endif
 382
 383 static struct gpio igep2_twl_gpios[] = {
 384         { -EINVAL, GPIOF_IN,            "GPIO_EHCI_NOC"  },
 385         { -EINVAL, GPIOF_OUT_INIT_LOW,  "GPIO_USBH_CPEN" },
 386 };
 387
 388 static int igep_twl_gpio_setup(struct device *dev,
 389                 unsigned gpio, unsigned ngpio)
 390 {
 391         int ret;
 392
 393         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 394         mmc[0].gpio_cd = gpio + 0;
 395         omap_hsmmc_late_init(mmc);
 396
 397         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 398 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 399         ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
 400                                "gpio-led:green:d1");
 401         if (ret == 0)
 402                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 403         else
 404                 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
 405 #else
 406         igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 407 #endif
 408
 409         if (machine_is_igep0030())
 410                 return 0;
 411
 412         /*
 413          * REVISIT: need ehci-omap hooks for external VBUS
 414          * power switch and overcurrent detect
 415          */
 416         igep2_twl_gpios[0].gpio = gpio + 1;
 417
 418         /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
 419         igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
 420
 421         ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
 422         if (ret < 0)
 423                 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
 424
 425         return 0;
 426 };
 427
 428 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
 429         .use_leds       = true,
 430         .setup          = igep_twl_gpio_setup,
 431 };
 432
 433 static struct tfp410_platform_data dvi_panel = {
 434         .i2c_bus_num            = 3,
 435         .power_down_gpio        = IGEP2_GPIO_DVI_PUP,
 436 };
 437
 438 static struct omap_dss_device igep2_dvi_device = {
 439         .type                   = OMAP_DISPLAY_TYPE_DPI,
 440         .name                   = "dvi",
 441         .driver_name            = "tfp410",
 442         .data                   = &dvi_panel,
 443         .phy.dpi.data_lines     = 24,
 444 };
 445
 446 static struct omap_dss_device *igep2_dss_devices[] = {
 447         &igep2_dvi_device
 448 };
 449
 450 static struct omap_dss_board_info igep2_dss_data = {
 451         .num_devices    = ARRAY_SIZE(igep2_dss_devices),
 452         .devices        = igep2_dss_devices,
 453         .default_device = &igep2_dvi_device,
 454 };
 455
 456 static struct platform_device *igep_devices[] __initdata = {
 457         &igep_vwlan_device,
 458 };
 459
 460 static int igep2_keymap[] = {
 461         KEY(0, 0, KEY_LEFT),
 462         KEY(0, 1, KEY_RIGHT),
 463         KEY(0, 2, KEY_A),
 464         KEY(0, 3, KEY_B),
 465         KEY(1, 0, KEY_DOWN),
 466         KEY(1, 1, KEY_UP),
 467         KEY(1, 2, KEY_E),
 468         KEY(1, 3, KEY_F),
 469         KEY(2, 0, KEY_ENTER),
 470         KEY(2, 1, KEY_I),
 471         KEY(2, 2, KEY_J),
 472         KEY(2, 3, KEY_K),
 473         KEY(3, 0, KEY_M),
 474         KEY(3, 1, KEY_N),
 475         KEY(3, 2, KEY_O),
 476         KEY(3, 3, KEY_P)
 477 };
 478
 479 static struct matrix_keymap_data igep2_keymap_data = {
 480         .keymap                 = igep2_keymap,
 481         .keymap_size            = ARRAY_SIZE(igep2_keymap),
 482 };
 483
 484 static struct twl4030_keypad_data igep2_keypad_pdata = {
 485         .keymap_data    = &igep2_keymap_data,
 486         .rows           = 4,
 487         .cols           = 4,
 488         .rep            = 1,
 489 };
 490
 491 static struct twl4030_platform_data igep_twldata = {
 492         /* platform_data for children goes here */
 493         .gpio           = &igep_twl4030_gpio_pdata,
 494         .vmmc1          = &igep_vmmc1,
 495         .vio            = &igep_vio,
 496 };
 497
 498 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
 499         {
 500                 I2C_BOARD_INFO("eeprom", 0x50),
 501         },
 502 };
 503
 504 static void __init igep_i2c_init(void)
 505 {
 506         int ret;
 507
 508         omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB,
 509                               TWL_COMMON_REGULATOR_VPLL2);
 510         igep_twldata.vpll2->constraints.apply_uV = true;
 511         igep_twldata.vpll2->constraints.name = "VDVI";
 512
 513         if (machine_is_igep0020()) {
 514                 /*
 515                  * Bus 3 is attached to the DVI port where devices like the
 516                  * pico DLP projector don't work reliably with 400kHz
 517                  */
 518                 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
 519                                             ARRAY_SIZE(igep2_i2c3_boardinfo));
 520                 if (ret)
 521                         pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
 522
 523                 igep_twldata.keypad     = &igep2_keypad_pdata;
 524                 /* Get common pmic data */
 525                 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0);
 526         }
 527
 528         omap3_pmic_init("twl4030", &igep_twldata);
 529 }
 530
 531 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
 532         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 533         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 534         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 535
 536         .phy_reset = true,
 537         .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
 538         .reset_gpio_port[1] = -EINVAL,
 539         .reset_gpio_port[2] = -EINVAL,
 540 };
 541
 542 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
 543         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 544         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 545         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 546
 547         .phy_reset = true,
 548         .reset_gpio_port[0] = -EINVAL,
 549         .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
 550         .reset_gpio_port[2] = -EINVAL,
 551 };
 552
 553 #ifdef CONFIG_OMAP_MUX
 554 static struct omap_board_mux board_mux[] __initdata = {
 555         /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
 556         OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
 557         { .reg_offset = OMAP_MUX_TERMINATOR },
 558 };
 559 #endif
 560
 561 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 562 static struct gpio igep_wlan_bt_gpios[] __initdata = {
 563         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD"    },
 564         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
 565         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET"   },
 566 };
 567
 568 static void __init igep_wlan_bt_init(void)
 569 {
 570         int err;
 571
 572         /* GPIO's for WLAN-BT combo depends on hardware revision */
 573         if (hwrev == IGEP2_BOARD_HWREV_B) {
 574                 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
 575                 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
 576                 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
 577         } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
 578                 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
 579                 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
 580                 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
 581         } else
 582                 return;
 583
 584         err = gpio_request_array(igep_wlan_bt_gpios,
 585                                  ARRAY_SIZE(igep_wlan_bt_gpios));
 586         if (err) {
 587                 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
 588                 return;
 589         }
 590
 591         gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
 592         gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
 593         gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
 594
 595         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
 596         udelay(10);
 597         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
 598
 599 }
 600 #else
 601 static inline void __init igep_wlan_bt_init(void) { }
 602 #endif
 603
 604 static struct regulator_consumer_supply dummy_supplies[] = {
 605         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 606         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 607 };
 608
 609 static void __init igep_init(void)
 610 {
 611         regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 612         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 613
 614         /* Get IGEP2 hardware revision */
 615         igep2_get_revision();
 616
 617         omap_hsmmc_init(mmc);
 618
 619         /* Register I2C busses and drivers */
 620         igep_i2c_init();
 621         platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
 622         omap_serial_init();
 623         omap_sdrc_init(m65kxxxxam_sdrc_params,
 624                                   m65kxxxxam_sdrc_params);
 625         usb_musb_init(NULL);
 626
 627         igep_flash_init();
 628         igep_leds_init();
 629
 630         /*
 631          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 632          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 633          */
 634         igep_wlan_bt_init();
 635
 636         if (machine_is_igep0020()) {
 637                 omap_display_init(&igep2_dss_data);
 638                 igep2_init_smsc911x();
 639                 usbhs_init(&igep2_usbhs_bdata);
 640         } else {
 641                 usbhs_init(&igep3_usbhs_bdata);
 642         }
 643 }
 644
 645 MACHINE_START(IGEP0020, "IGEP v2 board")
 646         .atag_offset    = 0x100,
 647         .reserve        = omap_reserve,
 648         .map_io         = omap3_map_io,
 649         .init_early     = omap35xx_init_early,
 650         .init_irq       = omap3_init_irq,
 651         .handle_irq     = omap3_intc_handle_irq,
 652         .init_machine   = igep_init,
 653         .init_late      = omap35xx_init_late,
 654         .timer          = &omap3_timer,
 655         .restart        = omap_prcm_restart,
 656 MACHINE_END
 657
 658 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 659         .atag_offset    = 0x100,
 660         .reserve        = omap_reserve,
 661         .map_io         = omap3_map_io,
 662         .init_early     = omap35xx_init_early,
 663         .init_irq       = omap3_init_irq,
 664         .handle_irq     = omap3_intc_handle_irq,
 665         .init_machine   = igep_init,
 666         .init_late      = omap35xx_init_late,
 667         .timer          = &omap3_timer,
 668         .restart        = omap_prcm_restart,
 669 MACHINE_END