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 <video/omapdss.h>
  33 #include <video/omap-panel-tfp410.h>
  34 #include <linux/platform_data/mtd-onenand-omap2.h>
  35
  36 #include "common.h"
  37 #include "gpmc.h"
  38 #include "mux.h"
  39 #include "hsmmc.h"
  40 #include "sdram-numonyx-m65kxxxxam.h"
  41 #include "common-board-devices.h"
  42 #include "board-flash.h"
  43 #include "control.h"
  44 #include "gpmc-onenand.h"
  45
  46 #define IGEP2_SMSC911X_CS       5
  47 #define IGEP2_SMSC911X_GPIO     176
  48 #define IGEP2_GPIO_USBH_NRESET  24
  49 #define IGEP2_GPIO_LED0_GREEN   26
  50 #define IGEP2_GPIO_LED0_RED     27
  51 #define IGEP2_GPIO_LED1_RED     28
  52 #define IGEP2_GPIO_DVI_PUP      170
  53
  54 #define IGEP2_RB_GPIO_WIFI_NPD     94
  55 #define IGEP2_RB_GPIO_WIFI_NRESET  95
  56 #define IGEP2_RB_GPIO_BT_NRESET    137
  57 #define IGEP2_RC_GPIO_WIFI_NPD     138
  58 #define IGEP2_RC_GPIO_WIFI_NRESET  139
  59 #define IGEP2_RC_GPIO_BT_NRESET    137
  60
  61 #define IGEP3_GPIO_LED0_GREEN   54
  62 #define IGEP3_GPIO_LED0_RED     53
  63 #define IGEP3_GPIO_LED1_RED     16
  64 #define IGEP3_GPIO_USBH_NRESET  183
  65
  66 #define IGEP_SYSBOOT_MASK           0x1f
  67 #define IGEP_SYSBOOT_NAND           0x0f
  68 #define IGEP_SYSBOOT_ONENAND        0x10
  69
  70 /*
  71  * IGEP2 Hardware Revision Table
  72  *
  73  *  --------------------------------------------------------------------------
  74  * | Id. | Hw Rev.            | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
  75  *  --------------------------------------------------------------------------
  76  * |  0  | B                  |   high   |  gpio94  |   gpio95    |     -     |
  77  * |  0  | B/C (B-compatible) |   high   |  gpio94  |   gpio95    |  gpio137  |
  78  * |  1  | C                  |   low    |  gpio138 |   gpio139   |  gpio137  |
  79  *  --------------------------------------------------------------------------
  80  */
  81
  82 #define IGEP2_BOARD_HWREV_B     0
  83 #define IGEP2_BOARD_HWREV_C     1
  84 #define IGEP3_BOARD_HWREV       2
  85
  86 static u8 hwrev;
  87
  88 static void __init igep2_get_revision(void)
  89 {
  90         u8 ret;
  91
  92         if (machine_is_igep0030()) {
  93                 hwrev = IGEP3_BOARD_HWREV;
  94                 return;
  95         }
  96
  97         omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
  98
  99         if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
 100                 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
 101                 pr_err("IGEP2: Unknown Hardware Revision\n");
 102                 return;
 103         }
 104
 105         ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
 106         if (ret == 0) {
 107                 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
 108                 hwrev = IGEP2_BOARD_HWREV_C;
 109         } else if (ret ==  1) {
 110                 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
 111                 hwrev = IGEP2_BOARD_HWREV_B;
 112         } else {
 113                 pr_err("IGEP2: Unknown Hardware Revision\n");
 114                 hwrev = -1;
 115         }
 116
 117         gpio_free(IGEP2_GPIO_LED1_RED);
 118 }
 119
 120 #if defined(CONFIG_MTD_ONENAND_OMAP2) ||                \
 121         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) ||     \
 122         defined(CONFIG_MTD_NAND_OMAP2) ||               \
 123         defined(CONFIG_MTD_NAND_OMAP2_MODULE)
 124
 125 #define ONENAND_MAP             0x20000000
 126
 127 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
 128  * Since the device is equipped with two DataRAMs, and two-plane NAND
 129  * Flash memory array, these two component enables simultaneous program
 130  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
 131  * while Plane2 has only odd blocks such as block1, block3, block5.
 132  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
 133  */
 134
 135 static struct mtd_partition igep_flash_partitions[] = {
 136         {
 137                 .name           = "X-Loader",
 138                 .offset         = 0,
 139                 .size           = 2 * (64*(2*2048))
 140         },
 141         {
 142                 .name           = "U-Boot",
 143                 .offset         = MTDPART_OFS_APPEND,
 144                 .size           = 6 * (64*(2*2048)),
 145         },
 146         {
 147                 .name           = "Environment",
 148                 .offset         = MTDPART_OFS_APPEND,
 149                 .size           = 2 * (64*(2*2048)),
 150         },
 151         {
 152                 .name           = "Kernel",
 153                 .offset         = MTDPART_OFS_APPEND,
 154                 .size           = 12 * (64*(2*2048)),
 155         },
 156         {
 157                 .name           = "File System",
 158                 .offset         = MTDPART_OFS_APPEND,
 159                 .size           = MTDPART_SIZ_FULL,
 160         },
 161 };
 162
 163 static inline u32 igep_get_sysboot_value(void)
 164 {
 165         return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK;
 166 }
 167
 168 static void __init igep_flash_init(void)
 169 {
 170         u32 mux;
 171         mux = igep_get_sysboot_value();
 172
 173         if (mux == IGEP_SYSBOOT_NAND) {
 174                 pr_info("IGEP: initializing NAND memory device\n");
 175                 board_nand_init(igep_flash_partitions,
 176                                 ARRAY_SIZE(igep_flash_partitions),
 177                                 0, NAND_BUSWIDTH_16, nand_default_timings);
 178         } else if (mux == IGEP_SYSBOOT_ONENAND) {
 179                 pr_info("IGEP: initializing OneNAND memory device\n");
 180                 board_onenand_init(igep_flash_partitions,
 181                                    ARRAY_SIZE(igep_flash_partitions), 0);
 182         } else {
 183                 pr_err("IGEP: Flash: unsupported sysboot sequence found\n");
 184         }
 185 }
 186
 187 #else
 188 static void __init igep_flash_init(void) {}
 189 #endif
 190
 191 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 192
 193 #include <linux/smsc911x.h>
 194 #include "gpmc-smsc911x.h"
 195
 196 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 197         .cs             = IGEP2_SMSC911X_CS,
 198         .gpio_irq       = IGEP2_SMSC911X_GPIO,
 199         .gpio_reset     = -EINVAL,
 200         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 201 };
 202
 203 static inline void __init igep2_init_smsc911x(void)
 204 {
 205         gpmc_smsc911x_init(&smsc911x_cfg);
 206 }
 207
 208 #else
 209 static inline void __init igep2_init_smsc911x(void) { }
 210 #endif
 211
 212 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
 213         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 214 };
 215
 216 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 217 static struct regulator_init_data igep_vmmc1 = {
 218         .constraints = {
 219                 .min_uV                 = 1850000,
 220                 .max_uV                 = 3150000,
 221                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 222                                         | REGULATOR_MODE_STANDBY,
 223                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 224                                         | REGULATOR_CHANGE_MODE
 225                                         | REGULATOR_CHANGE_STATUS,
 226         },
 227         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc1_supply),
 228         .consumer_supplies      = igep_vmmc1_supply,
 229 };
 230
 231 static struct regulator_consumer_supply igep_vio_supply[] = {
 232         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
 233 };
 234
 235 static struct regulator_init_data igep_vio = {
 236         .constraints = {
 237                 .min_uV                 = 1800000,
 238                 .max_uV                 = 1800000,
 239                 .apply_uV               = 1,
 240                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 241                                         | REGULATOR_MODE_STANDBY,
 242                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 243                                         | REGULATOR_CHANGE_MODE
 244                                         | REGULATOR_CHANGE_STATUS,
 245         },
 246         .num_consumer_supplies  = ARRAY_SIZE(igep_vio_supply),
 247         .consumer_supplies      = igep_vio_supply,
 248 };
 249
 250 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
 251         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 252 };
 253
 254 static struct regulator_init_data igep_vmmc2 = {
 255         .constraints            = {
 256                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 257                 .always_on              = 1,
 258         },
 259         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc2_supply),
 260         .consumer_supplies      = igep_vmmc2_supply,
 261 };
 262
 263 static struct fixed_voltage_config igep_vwlan = {
 264         .supply_name            = "vwlan",
 265         .microvolts             = 3300000,
 266         .gpio                   = -EINVAL,
 267         .enabled_at_boot        = 1,
 268         .init_data              = &igep_vmmc2,
 269 };
 270
 271 static struct platform_device igep_vwlan_device = {
 272         .name           = "reg-fixed-voltage",
 273         .id             = 0,
 274         .dev = {
 275                 .platform_data  = &igep_vwlan,
 276         },
 277 };
 278
 279 static struct omap2_hsmmc_info mmc[] = {
 280         {
 281                 .mmc            = 1,
 282                 .caps           = MMC_CAP_4_BIT_DATA,
 283                 .gpio_cd        = -EINVAL,
 284                 .gpio_wp        = -EINVAL,
 285                 .deferred       = true,
 286         },
 287 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 288         {
 289                 .mmc            = 2,
 290                 .caps           = MMC_CAP_4_BIT_DATA,
 291                 .gpio_cd        = -EINVAL,
 292                 .gpio_wp        = -EINVAL,
 293         },
 294 #endif
 295         {}      /* Terminator */
 296 };
 297
 298 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 299 #include <linux/leds.h>
 300
 301 static struct gpio_led igep_gpio_leds[] = {
 302         [0] = {
 303                 .name                   = "gpio-led:red:d0",
 304                 .default_trigger        = "default-off"
 305         },
 306         [1] = {
 307                 .name                   = "gpio-led:green:d0",
 308                 .default_trigger        = "default-off",
 309         },
 310         [2] = {
 311                 .name                   = "gpio-led:red:d1",
 312                 .default_trigger        = "default-off",
 313         },
 314         [3] = {
 315                 .name                   = "gpio-led:green:d1",
 316                 .default_trigger        = "heartbeat",
 317                 .gpio                   = -EINVAL, /* gets replaced */
 318                 .active_low             = 1,
 319         },
 320 };
 321
 322 static struct gpio_led_platform_data igep_led_pdata = {
 323         .leds           = igep_gpio_leds,
 324         .num_leds       = ARRAY_SIZE(igep_gpio_leds),
 325 };
 326
 327 static struct platform_device igep_led_device = {
 328          .name   = "leds-gpio",
 329          .id     = -1,
 330          .dev    = {
 331                  .platform_data  =  &igep_led_pdata,
 332         },
 333 };
 334
 335 static void __init igep_leds_init(void)
 336 {
 337         if (machine_is_igep0020()) {
 338                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 339                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 340                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 341         } else {
 342                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 343                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 344                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 345         }
 346
 347         platform_device_register(&igep_led_device);
 348 }
 349
 350 #else
 351 static struct gpio igep_gpio_leds[] __initdata = {
 352         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d0"   },
 353         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
 354         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d1"   },
 355 };
 356
 357 static inline void igep_leds_init(void)
 358 {
 359         int i;
 360
 361         if (machine_is_igep0020()) {
 362                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 363                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 364                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 365         } else {
 366                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 367                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 368                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 369         }
 370
 371         if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
 372                 pr_warning("IGEP v2: Could not obtain leds gpios\n");
 373                 return;
 374         }
 375
 376         for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
 377                 gpio_export(igep_gpio_leds[i].gpio, 0);
 378 }
 379 #endif
 380
 381 static struct gpio igep2_twl_gpios[] = {
 382         { -EINVAL, GPIOF_IN,            "GPIO_EHCI_NOC"  },
 383         { -EINVAL, GPIOF_OUT_INIT_LOW,  "GPIO_USBH_CPEN" },
 384 };
 385
 386 static int igep_twl_gpio_setup(struct device *dev,
 387                 unsigned gpio, unsigned ngpio)
 388 {
 389         int ret;
 390
 391         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 392         mmc[0].gpio_cd = gpio + 0;
 393         omap_hsmmc_late_init(mmc);
 394
 395         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 396 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 397         ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
 398                                "gpio-led:green:d1");
 399         if (ret == 0)
 400                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 401         else
 402                 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
 403 #else
 404         igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 405 #endif
 406
 407         if (machine_is_igep0030())
 408                 return 0;
 409
 410         /*
 411          * REVISIT: need ehci-omap hooks for external VBUS
 412          * power switch and overcurrent detect
 413          */
 414         igep2_twl_gpios[0].gpio = gpio + 1;
 415
 416         /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
 417         igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
 418
 419         ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
 420         if (ret < 0)
 421                 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
 422
 423         return 0;
 424 };
 425
 426 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
 427         .use_leds       = true,
 428         .setup          = igep_twl_gpio_setup,
 429 };
 430
 431 static struct tfp410_platform_data dvi_panel = {
 432         .i2c_bus_num            = 3,
 433         .power_down_gpio        = IGEP2_GPIO_DVI_PUP,
 434 };
 435
 436 static struct omap_dss_device igep2_dvi_device = {
 437         .type                   = OMAP_DISPLAY_TYPE_DPI,
 438         .name                   = "dvi",
 439         .driver_name            = "tfp410",
 440         .data                   = &dvi_panel,
 441         .phy.dpi.data_lines     = 24,
 442 };
 443
 444 static struct omap_dss_device *igep2_dss_devices[] = {
 445         &igep2_dvi_device
 446 };
 447
 448 static struct omap_dss_board_info igep2_dss_data = {
 449         .num_devices    = ARRAY_SIZE(igep2_dss_devices),
 450         .devices        = igep2_dss_devices,
 451         .default_device = &igep2_dvi_device,
 452 };
 453
 454 static struct platform_device *igep_devices[] __initdata = {
 455         &igep_vwlan_device,
 456 };
 457
 458 static int igep2_keymap[] = {
 459         KEY(0, 0, KEY_LEFT),
 460         KEY(0, 1, KEY_RIGHT),
 461         KEY(0, 2, KEY_A),
 462         KEY(0, 3, KEY_B),
 463         KEY(1, 0, KEY_DOWN),
 464         KEY(1, 1, KEY_UP),
 465         KEY(1, 2, KEY_E),
 466         KEY(1, 3, KEY_F),
 467         KEY(2, 0, KEY_ENTER),
 468         KEY(2, 1, KEY_I),
 469         KEY(2, 2, KEY_J),
 470         KEY(2, 3, KEY_K),
 471         KEY(3, 0, KEY_M),
 472         KEY(3, 1, KEY_N),
 473         KEY(3, 2, KEY_O),
 474         KEY(3, 3, KEY_P)
 475 };
 476
 477 static struct matrix_keymap_data igep2_keymap_data = {
 478         .keymap                 = igep2_keymap,
 479         .keymap_size            = ARRAY_SIZE(igep2_keymap),
 480 };
 481
 482 static struct twl4030_keypad_data igep2_keypad_pdata = {
 483         .keymap_data    = &igep2_keymap_data,
 484         .rows           = 4,
 485         .cols           = 4,
 486         .rep            = 1,
 487 };
 488
 489 static struct twl4030_platform_data igep_twldata = {
 490         /* platform_data for children goes here */
 491         .gpio           = &igep_twl4030_gpio_pdata,
 492         .vmmc1          = &igep_vmmc1,
 493         .vio            = &igep_vio,
 494 };
 495
 496 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
 497         {
 498                 I2C_BOARD_INFO("eeprom", 0x50),
 499         },
 500 };
 501
 502 static void __init igep_i2c_init(void)
 503 {
 504         int ret;
 505
 506         omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB,
 507                               TWL_COMMON_REGULATOR_VPLL2);
 508         igep_twldata.vpll2->constraints.apply_uV = true;
 509         igep_twldata.vpll2->constraints.name = "VDVI";
 510
 511         if (machine_is_igep0020()) {
 512                 /*
 513                  * Bus 3 is attached to the DVI port where devices like the
 514                  * pico DLP projector don't work reliably with 400kHz
 515                  */
 516                 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
 517                                             ARRAY_SIZE(igep2_i2c3_boardinfo));
 518                 if (ret)
 519                         pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
 520
 521                 igep_twldata.keypad     = &igep2_keypad_pdata;
 522                 /* Get common pmic data */
 523                 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0);
 524         }
 525
 526         omap3_pmic_init("twl4030", &igep_twldata);
 527 }
 528
 529 static const struct usbhs_omap_board_data igep2_usbhs_bdata __initconst = {
 530         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 531         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 532         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 533
 534         .phy_reset = true,
 535         .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
 536         .reset_gpio_port[1] = -EINVAL,
 537         .reset_gpio_port[2] = -EINVAL,
 538 };
 539
 540 static const struct usbhs_omap_board_data igep3_usbhs_bdata __initconst = {
 541         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 542         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 543         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 544
 545         .phy_reset = true,
 546         .reset_gpio_port[0] = -EINVAL,
 547         .reset_gpio_port[1] = IGEP3_GPIO_USBH_NRESET,
 548         .reset_gpio_port[2] = -EINVAL,
 549 };
 550
 551 #ifdef CONFIG_OMAP_MUX
 552 static struct omap_board_mux board_mux[] __initdata = {
 553         /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
 554         OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
 555         { .reg_offset = OMAP_MUX_TERMINATOR },
 556 };
 557 #endif
 558
 559 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 560 static struct gpio igep_wlan_bt_gpios[] __initdata = {
 561         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD"    },
 562         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
 563         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET"   },
 564 };
 565
 566 static void __init igep_wlan_bt_init(void)
 567 {
 568         int err;
 569
 570         /* GPIO's for WLAN-BT combo depends on hardware revision */
 571         if (hwrev == IGEP2_BOARD_HWREV_B) {
 572                 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
 573                 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
 574                 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
 575         } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
 576                 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
 577                 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
 578                 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
 579         } else
 580                 return;
 581
 582         /* Make sure that the GPIO pins are muxed correctly */
 583         omap_mux_init_gpio(igep_wlan_bt_gpios[0].gpio, OMAP_PIN_OUTPUT);
 584         omap_mux_init_gpio(igep_wlan_bt_gpios[1].gpio, OMAP_PIN_OUTPUT);
 585         omap_mux_init_gpio(igep_wlan_bt_gpios[2].gpio, OMAP_PIN_OUTPUT);
 586
 587         err = gpio_request_array(igep_wlan_bt_gpios,
 588                                  ARRAY_SIZE(igep_wlan_bt_gpios));
 589         if (err) {
 590                 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
 591                 return;
 592         }
 593
 594         gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
 595         gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
 596         gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
 597
 598         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
 599         udelay(10);
 600         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
 601
 602 }
 603 #else
 604 static inline void __init igep_wlan_bt_init(void) { }
 605 #endif
 606
 607 static struct regulator_consumer_supply dummy_supplies[] = {
 608         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 609         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 610 };
 611
 612 static void __init igep_init(void)
 613 {
 614         regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 615         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 616
 617         /* Get IGEP2 hardware revision */
 618         igep2_get_revision();
 619
 620         omap_hsmmc_init(mmc);
 621
 622         /* Register I2C busses and drivers */
 623         igep_i2c_init();
 624         platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
 625         omap_serial_init();
 626         omap_sdrc_init(m65kxxxxam_sdrc_params,
 627                                   m65kxxxxam_sdrc_params);
 628         usb_musb_init(NULL);
 629
 630         igep_flash_init();
 631         igep_leds_init();
 632         omap_twl4030_audio_init("igep2");
 633
 634         /*
 635          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 636          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 637          */
 638         igep_wlan_bt_init();
 639
 640         if (machine_is_igep0020()) {
 641                 omap_display_init(&igep2_dss_data);
 642                 igep2_init_smsc911x();
 643                 usbhs_init(&igep2_usbhs_bdata);
 644         } else {
 645                 usbhs_init(&igep3_usbhs_bdata);
 646         }
 647 }
 648
 649 MACHINE_START(IGEP0020, "IGEP v2 board")
 650         .atag_offset    = 0x100,
 651         .reserve        = omap_reserve,
 652         .map_io         = omap3_map_io,
 653         .init_early     = omap35xx_init_early,
 654         .init_irq       = omap3_init_irq,
 655         .handle_irq     = omap3_intc_handle_irq,
 656         .init_machine   = igep_init,
 657         .init_late      = omap35xx_init_late,
 658         .timer          = &omap3_timer,
 659         .restart        = omap3xxx_restart,
 660 MACHINE_END
 661
 662 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 663         .atag_offset    = 0x100,
 664         .reserve        = omap_reserve,
 665         .map_io         = omap3_map_io,
 666         .init_early     = omap35xx_init_early,
 667         .init_irq       = omap3_init_irq,
 668         .handle_irq     = omap3_intc_handle_irq,
 669         .init_machine   = igep_init,
 670         .init_late      = omap35xx_init_late,
 671         .timer          = &omap3_timer,
 672         .restart        = omap3xxx_restart,
 673 MACHINE_END