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 #include <linux/usb/phy.h>
  22
  23 #include <linux/regulator/machine.h>
  24 #include <linux/regulator/fixed.h>
  25 #include <linux/i2c/twl.h>
  26 #include <linux/mmc/host.h>
  27
  28 #include <linux/mtd/nand.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32
  33 #include <video/omapdss.h>
  34 #include <video/omap-panel-data.h>
  35 #include <linux/platform_data/mtd-onenand-omap2.h>
  36
  37 #include "common.h"
  38 #include "gpmc.h"
  39 #include "mux.h"
  40 #include "hsmmc.h"
  41 #include "sdram-numonyx-m65kxxxxam.h"
  42 #include "common-board-devices.h"
  43 #include "board-flash.h"
  44 #include "control.h"
  45 #include "gpmc-onenand.h"
  46
  47 #define IGEP2_SMSC911X_CS       5
  48 #define IGEP2_SMSC911X_GPIO     176
  49 #define IGEP2_GPIO_USBH_NRESET  24
  50 #define IGEP2_GPIO_LED0_GREEN   26
  51 #define IGEP2_GPIO_LED0_RED     27
  52 #define IGEP2_GPIO_LED1_RED     28
  53 #define IGEP2_GPIO_DVI_PUP      170
  54
  55 #define IGEP2_RB_GPIO_WIFI_NPD     94
  56 #define IGEP2_RB_GPIO_WIFI_NRESET  95
  57 #define IGEP2_RB_GPIO_BT_NRESET    137
  58 #define IGEP2_RC_GPIO_WIFI_NPD     138
  59 #define IGEP2_RC_GPIO_WIFI_NRESET  139
  60 #define IGEP2_RC_GPIO_BT_NRESET    137
  61
  62 #define IGEP3_GPIO_LED0_GREEN   54
  63 #define IGEP3_GPIO_LED0_RED     53
  64 #define IGEP3_GPIO_LED1_RED     16
  65 #define IGEP3_GPIO_USBH_NRESET  183
  66
  67 #define IGEP_SYSBOOT_MASK           0x1f
  68 #define IGEP_SYSBOOT_NAND           0x0f
  69 #define IGEP_SYSBOOT_ONENAND        0x10
  70
  71 /*
  72  * IGEP2 Hardware Revision Table
  73  *
  74  *  --------------------------------------------------------------------------
  75  * | Id. | Hw Rev.            | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
  76  *  --------------------------------------------------------------------------
  77  * |  0  | B                  |   high   |  gpio94  |   gpio95    |     -     |
  78  * |  0  | B/C (B-compatible) |   high   |  gpio94  |   gpio95    |  gpio137  |
  79  * |  1  | C                  |   low    |  gpio138 |   gpio139   |  gpio137  |
  80  *  --------------------------------------------------------------------------
  81  */
  82
  83 #define IGEP2_BOARD_HWREV_B     0
  84 #define IGEP2_BOARD_HWREV_C     1
  85 #define IGEP3_BOARD_HWREV       2
  86
  87 static u8 hwrev;
  88
  89 static void __init igep2_get_revision(void)
  90 {
  91         u8 ret;
  92
  93         if (machine_is_igep0030()) {
  94                 hwrev = IGEP3_BOARD_HWREV;
  95                 return;
  96         }
  97
  98         omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
  99
 100         if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
 101                 pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
 102                 pr_err("IGEP2: Unknown Hardware Revision\n");
 103                 return;
 104         }
 105
 106         ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
 107         if (ret == 0) {
 108                 pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
 109                 hwrev = IGEP2_BOARD_HWREV_C;
 110         } else if (ret ==  1) {
 111                 pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
 112                 hwrev = IGEP2_BOARD_HWREV_B;
 113         } else {
 114                 pr_err("IGEP2: Unknown Hardware Revision\n");
 115                 hwrev = -1;
 116         }
 117
 118         gpio_free(IGEP2_GPIO_LED1_RED);
 119 }
 120
 121 #if defined(CONFIG_MTD_ONENAND_OMAP2) ||                \
 122         defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) ||     \
 123         defined(CONFIG_MTD_NAND_OMAP2) ||               \
 124         defined(CONFIG_MTD_NAND_OMAP2_MODULE)
 125
 126 #define ONENAND_MAP             0x20000000
 127
 128 /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
 129  * Since the device is equipped with two DataRAMs, and two-plane NAND
 130  * Flash memory array, these two component enables simultaneous program
 131  * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
 132  * while Plane2 has only odd blocks such as block1, block3, block5.
 133  * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
 134  */
 135
 136 static struct mtd_partition igep_flash_partitions[] = {
 137         {
 138                 .name           = "X-Loader",
 139                 .offset         = 0,
 140                 .size           = 2 * (64*(2*2048))
 141         },
 142         {
 143                 .name           = "U-Boot",
 144                 .offset         = MTDPART_OFS_APPEND,
 145                 .size           = 6 * (64*(2*2048)),
 146         },
 147         {
 148                 .name           = "Environment",
 149                 .offset         = MTDPART_OFS_APPEND,
 150                 .size           = 2 * (64*(2*2048)),
 151         },
 152         {
 153                 .name           = "Kernel",
 154                 .offset         = MTDPART_OFS_APPEND,
 155                 .size           = 12 * (64*(2*2048)),
 156         },
 157         {
 158                 .name           = "File System",
 159                 .offset         = MTDPART_OFS_APPEND,
 160                 .size           = MTDPART_SIZ_FULL,
 161         },
 162 };
 163
 164 static inline u32 igep_get_sysboot_value(void)
 165 {
 166         return omap_ctrl_readl(OMAP343X_CONTROL_STATUS) & IGEP_SYSBOOT_MASK;
 167 }
 168
 169 static void __init igep_flash_init(void)
 170 {
 171         u32 mux;
 172         mux = igep_get_sysboot_value();
 173
 174         if (mux == IGEP_SYSBOOT_NAND) {
 175                 pr_info("IGEP: initializing NAND memory device\n");
 176                 board_nand_init(igep_flash_partitions,
 177                                 ARRAY_SIZE(igep_flash_partitions),
 178                                 0, NAND_BUSWIDTH_16, nand_default_timings);
 179         } else if (mux == IGEP_SYSBOOT_ONENAND) {
 180                 pr_info("IGEP: initializing OneNAND memory device\n");
 181                 board_onenand_init(igep_flash_partitions,
 182                                    ARRAY_SIZE(igep_flash_partitions), 0);
 183         } else {
 184                 pr_err("IGEP: Flash: unsupported sysboot sequence found\n");
 185         }
 186 }
 187
 188 #else
 189 static void __init igep_flash_init(void) {}
 190 #endif
 191
 192 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 193
 194 #include <linux/smsc911x.h>
 195 #include "gpmc-smsc911x.h"
 196
 197 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 198         .cs             = IGEP2_SMSC911X_CS,
 199         .gpio_irq       = IGEP2_SMSC911X_GPIO,
 200         .gpio_reset     = -EINVAL,
 201         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 202 };
 203
 204 static inline void __init igep2_init_smsc911x(void)
 205 {
 206         gpmc_smsc911x_init(&smsc911x_cfg);
 207 }
 208
 209 #else
 210 static inline void __init igep2_init_smsc911x(void) { }
 211 #endif
 212
 213 static struct regulator_consumer_supply igep_vmmc1_supply[] = {
 214         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 215 };
 216
 217 /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
 218 static struct regulator_init_data igep_vmmc1 = {
 219         .constraints = {
 220                 .min_uV                 = 1850000,
 221                 .max_uV                 = 3150000,
 222                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 223                                         | REGULATOR_MODE_STANDBY,
 224                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 225                                         | REGULATOR_CHANGE_MODE
 226                                         | REGULATOR_CHANGE_STATUS,
 227         },
 228         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc1_supply),
 229         .consumer_supplies      = igep_vmmc1_supply,
 230 };
 231
 232 static struct regulator_consumer_supply igep_vio_supply[] = {
 233         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.1"),
 234 };
 235
 236 static struct regulator_init_data igep_vio = {
 237         .constraints = {
 238                 .min_uV                 = 1800000,
 239                 .max_uV                 = 1800000,
 240                 .apply_uV               = 1,
 241                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 242                                         | REGULATOR_MODE_STANDBY,
 243                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 244                                         | REGULATOR_CHANGE_MODE
 245                                         | REGULATOR_CHANGE_STATUS,
 246         },
 247         .num_consumer_supplies  = ARRAY_SIZE(igep_vio_supply),
 248         .consumer_supplies      = igep_vio_supply,
 249 };
 250
 251 static struct regulator_consumer_supply igep_vmmc2_supply[] = {
 252         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
 253 };
 254
 255 static struct regulator_init_data igep_vmmc2 = {
 256         .constraints            = {
 257                 .valid_modes_mask       = REGULATOR_MODE_NORMAL,
 258                 .always_on              = 1,
 259         },
 260         .num_consumer_supplies  = ARRAY_SIZE(igep_vmmc2_supply),
 261         .consumer_supplies      = igep_vmmc2_supply,
 262 };
 263
 264 static struct fixed_voltage_config igep_vwlan = {
 265         .supply_name            = "vwlan",
 266         .microvolts             = 3300000,
 267         .gpio                   = -EINVAL,
 268         .enabled_at_boot        = 1,
 269         .init_data              = &igep_vmmc2,
 270 };
 271
 272 static struct platform_device igep_vwlan_device = {
 273         .name           = "reg-fixed-voltage",
 274         .id             = 0,
 275         .dev = {
 276                 .platform_data  = &igep_vwlan,
 277         },
 278 };
 279
 280 static struct omap2_hsmmc_info mmc[] = {
 281         {
 282                 .mmc            = 1,
 283                 .caps           = MMC_CAP_4_BIT_DATA,
 284                 .gpio_cd        = -EINVAL,
 285                 .gpio_wp        = -EINVAL,
 286                 .deferred       = true,
 287         },
 288 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 289         {
 290                 .mmc            = 2,
 291                 .caps           = MMC_CAP_4_BIT_DATA,
 292                 .gpio_cd        = -EINVAL,
 293                 .gpio_wp        = -EINVAL,
 294         },
 295 #endif
 296         {}      /* Terminator */
 297 };
 298
 299 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 300 #include <linux/leds.h>
 301
 302 static struct gpio_led igep_gpio_leds[] = {
 303         [0] = {
 304                 .name                   = "omap3:red:user0",
 305                 .default_state          = 0,
 306         },
 307         [1] = {
 308                 .name                   = "omap3:green:boot",
 309                 .default_state          = 1,
 310         },
 311         [2] = {
 312                 .name                   = "omap3:red:user1",
 313                 .default_state          = 0,
 314         },
 315         [3] = {
 316                 .name                   = "omap3:green:user1",
 317                 .default_state          = 0,
 318                 .gpio                   = -EINVAL, /* gets replaced */
 319                 .active_low             = 1,
 320         },
 321 };
 322
 323 static struct gpio_led_platform_data igep_led_pdata = {
 324         .leds           = igep_gpio_leds,
 325         .num_leds       = ARRAY_SIZE(igep_gpio_leds),
 326 };
 327
 328 static struct platform_device igep_led_device = {
 329          .name   = "leds-gpio",
 330          .id     = -1,
 331          .dev    = {
 332                  .platform_data  =  &igep_led_pdata,
 333         },
 334 };
 335
 336 static void __init igep_leds_init(void)
 337 {
 338         if (machine_is_igep0020()) {
 339                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 340                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 341                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 342         } else {
 343                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 344                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 345                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 346         }
 347
 348         platform_device_register(&igep_led_device);
 349 }
 350
 351 #else
 352 static struct gpio igep_gpio_leds[] __initdata = {
 353         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d0"   },
 354         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
 355         { -EINVAL,      GPIOF_OUT_INIT_LOW, "gpio-led:red:d1"   },
 356 };
 357
 358 static inline void igep_leds_init(void)
 359 {
 360         int i;
 361
 362         if (machine_is_igep0020()) {
 363                 igep_gpio_leds[0].gpio = IGEP2_GPIO_LED0_RED;
 364                 igep_gpio_leds[1].gpio = IGEP2_GPIO_LED0_GREEN;
 365                 igep_gpio_leds[2].gpio = IGEP2_GPIO_LED1_RED;
 366         } else {
 367                 igep_gpio_leds[0].gpio = IGEP3_GPIO_LED0_RED;
 368                 igep_gpio_leds[1].gpio = IGEP3_GPIO_LED0_GREEN;
 369                 igep_gpio_leds[2].gpio = IGEP3_GPIO_LED1_RED;
 370         }
 371
 372         if (gpio_request_array(igep_gpio_leds, ARRAY_SIZE(igep_gpio_leds))) {
 373                 pr_warning("IGEP v2: Could not obtain leds gpios\n");
 374                 return;
 375         }
 376
 377         for (i = 0; i < ARRAY_SIZE(igep_gpio_leds); i++)
 378                 gpio_export(igep_gpio_leds[i].gpio, 0);
 379 }
 380 #endif
 381
 382 static struct gpio igep2_twl_gpios[] = {
 383         { -EINVAL, GPIOF_IN,            "GPIO_EHCI_NOC"  },
 384         { -EINVAL, GPIOF_OUT_INIT_LOW,  "GPIO_USBH_CPEN" },
 385 };
 386
 387 static int igep_twl_gpio_setup(struct device *dev,
 388                 unsigned gpio, unsigned ngpio)
 389 {
 390         int ret;
 391
 392         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 393         mmc[0].gpio_cd = gpio + 0;
 394         omap_hsmmc_late_init(mmc);
 395
 396         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 397 #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
 398         ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
 399                                "gpio-led:green:d1");
 400         if (ret == 0)
 401                 gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
 402         else
 403                 pr_warning("IGEP: Could not obtain gpio GPIO_LED1_GREEN\n");
 404 #else
 405         igep_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
 406 #endif
 407
 408         if (machine_is_igep0030())
 409                 return 0;
 410
 411         /*
 412          * REVISIT: need ehci-omap hooks for external VBUS
 413          * power switch and overcurrent detect
 414          */
 415         igep2_twl_gpios[0].gpio = gpio + 1;
 416
 417         /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
 418         igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
 419
 420         ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
 421         if (ret < 0)
 422                 pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
 423
 424         return 0;
 425 };
 426
 427 static struct twl4030_gpio_platform_data igep_twl4030_gpio_pdata = {
 428         .use_leds       = true,
 429         .setup          = igep_twl_gpio_setup,
 430 };
 431
 432 static struct tfp410_platform_data dvi_panel = {
 433         .i2c_bus_num            = 3,
 434         .power_down_gpio        = IGEP2_GPIO_DVI_PUP,
 435 };
 436
 437 static struct omap_dss_device igep2_dvi_device = {
 438         .type                   = OMAP_DISPLAY_TYPE_DPI,
 439         .name                   = "dvi",
 440         .driver_name            = "tfp410",
 441         .data                   = &dvi_panel,
 442         .phy.dpi.data_lines     = 24,
 443 };
 444
 445 static struct omap_dss_device *igep2_dss_devices[] = {
 446         &igep2_dvi_device
 447 };
 448
 449 static struct omap_dss_board_info igep2_dss_data = {
 450         .num_devices    = ARRAY_SIZE(igep2_dss_devices),
 451         .devices        = igep2_dss_devices,
 452         .default_device = &igep2_dvi_device,
 453 };
 454
 455 static struct platform_device *igep_devices[] __initdata = {
 456         &igep_vwlan_device,
 457 };
 458
 459 static int igep2_keymap[] = {
 460         KEY(0, 0, KEY_LEFT),
 461         KEY(0, 1, KEY_RIGHT),
 462         KEY(0, 2, KEY_A),
 463         KEY(0, 3, KEY_B),
 464         KEY(1, 0, KEY_DOWN),
 465         KEY(1, 1, KEY_UP),
 466         KEY(1, 2, KEY_E),
 467         KEY(1, 3, KEY_F),
 468         KEY(2, 0, KEY_ENTER),
 469         KEY(2, 1, KEY_I),
 470         KEY(2, 2, KEY_J),
 471         KEY(2, 3, KEY_K),
 472         KEY(3, 0, KEY_M),
 473         KEY(3, 1, KEY_N),
 474         KEY(3, 2, KEY_O),
 475         KEY(3, 3, KEY_P)
 476 };
 477
 478 static struct matrix_keymap_data igep2_keymap_data = {
 479         .keymap                 = igep2_keymap,
 480         .keymap_size            = ARRAY_SIZE(igep2_keymap),
 481 };
 482
 483 static struct twl4030_keypad_data igep2_keypad_pdata = {
 484         .keymap_data    = &igep2_keymap_data,
 485         .rows           = 4,
 486         .cols           = 4,
 487         .rep            = 1,
 488 };
 489
 490 static struct twl4030_platform_data igep_twldata = {
 491         /* platform_data for children goes here */
 492         .gpio           = &igep_twl4030_gpio_pdata,
 493         .vmmc1          = &igep_vmmc1,
 494         .vio            = &igep_vio,
 495 };
 496
 497 static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
 498         {
 499                 I2C_BOARD_INFO("eeprom", 0x50),
 500         },
 501 };
 502
 503 static void __init igep_i2c_init(void)
 504 {
 505         int ret;
 506
 507         omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_USB,
 508                               TWL_COMMON_REGULATOR_VPLL2);
 509         igep_twldata.vpll2->constraints.apply_uV = true;
 510         igep_twldata.vpll2->constraints.name = "VDVI";
 511
 512         if (machine_is_igep0020()) {
 513                 /*
 514                  * Bus 3 is attached to the DVI port where devices like the
 515                  * pico DLP projector don't work reliably with 400kHz
 516                  */
 517                 ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
 518                                             ARRAY_SIZE(igep2_i2c3_boardinfo));
 519                 if (ret)
 520                         pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
 521
 522                 igep_twldata.keypad     = &igep2_keypad_pdata;
 523                 /* Get common pmic data */
 524                 omap3_pmic_get_config(&igep_twldata, TWL_COMMON_PDATA_AUDIO, 0);
 525         }
 526
 527         omap3_pmic_init("twl4030", &igep_twldata);
 528 }
 529
 530 static struct usbhs_phy_data igep2_phy_data[] __initdata = {
 531         {
 532                 .port = 1,
 533                 .reset_gpio = IGEP2_GPIO_USBH_NRESET,
 534                 .vcc_gpio = -EINVAL,
 535         },
 536 };
 537
 538 static struct usbhs_phy_data igep3_phy_data[] __initdata = {
 539         {
 540                 .port = 2,
 541                 .reset_gpio = IGEP3_GPIO_USBH_NRESET,
 542                 .vcc_gpio = -EINVAL,
 543         },
 544 };
 545
 546 static struct usbhs_omap_platform_data igep2_usbhs_bdata __initdata = {
 547         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 548 };
 549
 550 static struct usbhs_omap_platform_data igep3_usbhs_bdata __initdata = {
 551         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 552 };
 553
 554 #ifdef CONFIG_OMAP_MUX
 555 static struct omap_board_mux board_mux[] __initdata = {
 556         /* SMSC9221 LAN Controller ETH IRQ (GPIO_176) */
 557         OMAP3_MUX(MCSPI1_CS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
 558         { .reg_offset = OMAP_MUX_TERMINATOR },
 559 };
 560 #endif
 561
 562 #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
 563 static struct gpio igep_wlan_bt_gpios[] __initdata = {
 564         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD"    },
 565         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
 566         { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET"   },
 567 };
 568
 569 static void __init igep_wlan_bt_init(void)
 570 {
 571         int err;
 572
 573         /* GPIO's for WLAN-BT combo depends on hardware revision */
 574         if (hwrev == IGEP2_BOARD_HWREV_B) {
 575                 igep_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
 576                 igep_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
 577                 igep_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
 578         } else if (hwrev == IGEP2_BOARD_HWREV_C || machine_is_igep0030()) {
 579                 igep_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
 580                 igep_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
 581                 igep_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
 582         } else
 583                 return;
 584
 585         /* Make sure that the GPIO pins are muxed correctly */
 586         omap_mux_init_gpio(igep_wlan_bt_gpios[0].gpio, OMAP_PIN_OUTPUT);
 587         omap_mux_init_gpio(igep_wlan_bt_gpios[1].gpio, OMAP_PIN_OUTPUT);
 588         omap_mux_init_gpio(igep_wlan_bt_gpios[2].gpio, OMAP_PIN_OUTPUT);
 589
 590         err = gpio_request_array(igep_wlan_bt_gpios,
 591                                  ARRAY_SIZE(igep_wlan_bt_gpios));
 592         if (err) {
 593                 pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
 594                 return;
 595         }
 596
 597         gpio_export(igep_wlan_bt_gpios[0].gpio, 0);
 598         gpio_export(igep_wlan_bt_gpios[1].gpio, 0);
 599         gpio_export(igep_wlan_bt_gpios[2].gpio, 0);
 600
 601         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 0);
 602         udelay(10);
 603         gpio_set_value(igep_wlan_bt_gpios[1].gpio, 1);
 604
 605 }
 606 #else
 607 static inline void __init igep_wlan_bt_init(void) { }
 608 #endif
 609
 610 static struct regulator_consumer_supply dummy_supplies[] = {
 611         REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
 612         REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
 613 };
 614
 615 static void __init igep_init(void)
 616 {
 617         regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 618         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 619
 620         /* Get IGEP2 hardware revision */
 621         igep2_get_revision();
 622
 623         omap_hsmmc_init(mmc);
 624
 625         /* Register I2C busses and drivers */
 626         igep_i2c_init();
 627         platform_add_devices(igep_devices, ARRAY_SIZE(igep_devices));
 628         omap_serial_init();
 629         omap_sdrc_init(m65kxxxxam_sdrc_params,
 630                                   m65kxxxxam_sdrc_params);
 631         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
 632         usb_musb_init(NULL);
 633
 634         igep_flash_init();
 635         igep_leds_init();
 636         omap_twl4030_audio_init("igep2", NULL);
 637
 638         /*
 639          * WLAN-BT combo module from MuRata which has a Marvell WLAN
 640          * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
 641          */
 642         igep_wlan_bt_init();
 643
 644         if (machine_is_igep0020()) {
 645                 omap_display_init(&igep2_dss_data);
 646                 igep2_init_smsc911x();
 647                 usbhs_init_phys(igep2_phy_data, ARRAY_SIZE(igep2_phy_data));
 648                 usbhs_init(&igep2_usbhs_bdata);
 649         } else {
 650                 usbhs_init_phys(igep3_phy_data, ARRAY_SIZE(igep3_phy_data));
 651                 usbhs_init(&igep3_usbhs_bdata);
 652         }
 653 }
 654
 655 MACHINE_START(IGEP0020, "IGEP v2 board")
 656         .atag_offset    = 0x100,
 657         .reserve        = omap_reserve,
 658         .map_io         = omap3_map_io,
 659         .init_early     = omap35xx_init_early,
 660         .init_irq       = omap3_init_irq,
 661         .handle_irq     = omap3_intc_handle_irq,
 662         .init_machine   = igep_init,
 663         .init_late      = omap35xx_init_late,
 664         .init_time      = omap3_sync32k_timer_init,
 665         .restart        = omap3xxx_restart,
 666 MACHINE_END
 667
 668 MACHINE_START(IGEP0030, "IGEP OMAP3 module")
 669         .atag_offset    = 0x100,
 670         .reserve        = omap_reserve,
 671         .map_io         = omap3_map_io,
 672         .init_early     = omap35xx_init_early,
 673         .init_irq       = omap3_init_irq,
 674         .handle_irq     = omap3_intc_handle_irq,
 675         .init_machine   = igep_init,
 676         .init_late      = omap35xx_init_late,
 677         .init_time      = omap3_sync32k_timer_init,
 678         .restart        = omap3xxx_restart,
 679 MACHINE_END