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

   1 /*
   2  * board-overo.c (Gumstix Overo)
   3  *
   4  * Initial code: Steve Sakoman <steve@sakoman.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * version 2 as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  18  * 02110-1301 USA
  19  *
  20  */
  21
  22 #include <linux/clk.h>
  23 #include <linux/delay.h>
  24 #include <linux/err.h>
  25 #include <linux/init.h>
  26 #include <linux/io.h>
  27 #include <linux/kernel.h>
  28 #include <linux/platform_device.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/regulator/machine.h>
  31 #include <linux/regulator/fixed.h>
  32 #include <linux/spi/spi.h>
  33
  34 #include <linux/mtd/mtd.h>
  35 #include <linux/mtd/nand.h>
  36 #include <linux/mtd/partitions.h>
  37 #include <linux/mmc/host.h>
  38
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/flash.h>
  42 #include <asm/mach/map.h>
  43
  44 #include <plat/board.h>
  45 #include <plat/common.h>
  46 #include <plat/display.h>
  47 #include <plat/panel-generic-dpi.h>
  48 #include <mach/gpio.h>
  49 #include <plat/gpmc.h>
  50 #include <mach/hardware.h>
  51 #include <plat/nand.h>
  52 #include <plat/mcspi.h>
  53 #include <plat/mux.h>
  54 #include <plat/usb.h>
  55
  56 #include "mux.h"
  57 #include "sdram-micron-mt46h32m32lf-6.h"
  58 #include "hsmmc.h"
  59 #include "common-board-devices.h"
  60
  61 #define OVERO_GPIO_BT_XGATE     15
  62 #define OVERO_GPIO_W2W_NRESET   16
  63 #define OVERO_GPIO_PENDOWN      114
  64 #define OVERO_GPIO_BT_NRESET    164
  65 #define OVERO_GPIO_USBH_CPEN    168
  66 #define OVERO_GPIO_USBH_NRESET  183
  67
  68 #define NAND_BLOCK_SIZE SZ_128K
  69
  70 #define OVERO_SMSC911X_CS      5
  71 #define OVERO_SMSC911X_GPIO    176
  72 #define OVERO_SMSC911X2_CS     4
  73 #define OVERO_SMSC911X2_GPIO   65
  74
  75 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
  76         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
  77
  78 /* fixed regulator for ads7846 */
  79 static struct regulator_consumer_supply ads7846_supply =
  80         REGULATOR_SUPPLY("vcc", "spi1.0");
  81
  82 static struct regulator_init_data vads7846_regulator = {
  83         .constraints = {
  84                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
  85         },
  86         .num_consumer_supplies  = 1,
  87         .consumer_supplies      = &ads7846_supply,
  88 };
  89
  90 static struct fixed_voltage_config vads7846 = {
  91         .supply_name            = "vads7846",
  92         .microvolts             = 3300000, /* 3.3V */
  93         .gpio                   = -EINVAL,
  94         .startup_delay          = 0,
  95         .init_data              = &vads7846_regulator,
  96 };
  97
  98 static struct platform_device vads7846_device = {
  99         .name           = "reg-fixed-voltage",
 100         .id             = 1,
 101         .dev = {
 102                 .platform_data = &vads7846,
 103         },
 104 };
 105
 106 static void __init overo_ads7846_init(void)
 107 {
 108         omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
 109         platform_device_register(&vads7846_device);
 110 }
 111
 112 #else
 113 static inline void __init overo_ads7846_init(void) { return; }
 114 #endif
 115
 116 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 117
 118 #include <linux/smsc911x.h>
 119 #include <plat/gpmc-smsc911x.h>
 120
 121 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 122         .id             = 0,
 123         .cs             = OVERO_SMSC911X_CS,
 124         .gpio_irq       = OVERO_SMSC911X_GPIO,
 125         .gpio_reset     = -EINVAL,
 126         .flags          = SMSC911X_USE_32BIT,
 127 };
 128
 129 static struct omap_smsc911x_platform_data smsc911x2_cfg = {
 130         .id             = 1,
 131         .cs             = OVERO_SMSC911X2_CS,
 132         .gpio_irq       = OVERO_SMSC911X2_GPIO,
 133         .gpio_reset     = -EINVAL,
 134         .flags          = SMSC911X_USE_32BIT,
 135 };
 136
 137 static void __init overo_init_smsc911x(void)
 138 {
 139         gpmc_smsc911x_init(&smsc911x_cfg);
 140         gpmc_smsc911x_init(&smsc911x2_cfg);
 141 }
 142
 143 #else
 144 static inline void __init overo_init_smsc911x(void) { return; }
 145 #endif
 146
 147 /* DSS */
 148 static int lcd_enabled;
 149 static int dvi_enabled;
 150
 151 #define OVERO_GPIO_LCD_EN 144
 152 #define OVERO_GPIO_LCD_BL 145
 153
 154 static void __init overo_display_init(void)
 155 {
 156         if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) &&
 157             (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0))
 158                 gpio_export(OVERO_GPIO_LCD_EN, 0);
 159         else
 160                 printk(KERN_ERR "could not obtain gpio for "
 161                                         "OVERO_GPIO_LCD_EN\n");
 162
 163         if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) &&
 164             (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0))
 165                 gpio_export(OVERO_GPIO_LCD_BL, 0);
 166         else
 167                 printk(KERN_ERR "could not obtain gpio for "
 168                                         "OVERO_GPIO_LCD_BL\n");
 169 }
 170
 171 static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
 172 {
 173         if (lcd_enabled) {
 174                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 175                 return -EINVAL;
 176         }
 177         dvi_enabled = 1;
 178
 179         return 0;
 180 }
 181
 182 static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
 183 {
 184         dvi_enabled = 0;
 185 }
 186
 187 static struct panel_generic_dpi_data dvi_panel = {
 188         .name                   = "generic",
 189         .platform_enable        = overo_panel_enable_dvi,
 190         .platform_disable       = overo_panel_disable_dvi,
 191 };
 192
 193 static struct omap_dss_device overo_dvi_device = {
 194         .name                   = "dvi",
 195         .type                   = OMAP_DISPLAY_TYPE_DPI,
 196         .driver_name            = "generic_dpi_panel",
 197         .data                   = &dvi_panel,
 198         .phy.dpi.data_lines     = 24,
 199 };
 200
 201 static struct omap_dss_device overo_tv_device = {
 202         .name = "tv",
 203         .driver_name = "venc",
 204         .type = OMAP_DISPLAY_TYPE_VENC,
 205         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 206 };
 207
 208 static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
 209 {
 210         if (dvi_enabled) {
 211                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 212                 return -EINVAL;
 213         }
 214
 215         gpio_set_value(OVERO_GPIO_LCD_EN, 1);
 216         gpio_set_value(OVERO_GPIO_LCD_BL, 1);
 217         lcd_enabled = 1;
 218         return 0;
 219 }
 220
 221 static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
 222 {
 223         gpio_set_value(OVERO_GPIO_LCD_EN, 0);
 224         gpio_set_value(OVERO_GPIO_LCD_BL, 0);
 225         lcd_enabled = 0;
 226 }
 227
 228 static struct panel_generic_dpi_data lcd43_panel = {
 229         .name                   = "samsung_lte430wq_f0c",
 230         .platform_enable        = overo_panel_enable_lcd,
 231         .platform_disable       = overo_panel_disable_lcd,
 232 };
 233
 234 static struct omap_dss_device overo_lcd43_device = {
 235         .name                   = "lcd43",
 236         .type                   = OMAP_DISPLAY_TYPE_DPI,
 237         .driver_name            = "generic_dpi_panel",
 238         .data                   = &lcd43_panel,
 239         .phy.dpi.data_lines     = 24,
 240 };
 241
 242 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 243         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 244 static struct omap_dss_device overo_lcd35_device = {
 245         .type                   = OMAP_DISPLAY_TYPE_DPI,
 246         .name                   = "lcd35",
 247         .driver_name            = "lgphilips_lb035q02_panel",
 248         .phy.dpi.data_lines     = 24,
 249         .platform_enable        = overo_panel_enable_lcd,
 250         .platform_disable       = overo_panel_disable_lcd,
 251 };
 252 #endif
 253
 254 static struct omap_dss_device *overo_dss_devices[] = {
 255         &overo_dvi_device,
 256         &overo_tv_device,
 257 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 258         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 259         &overo_lcd35_device,
 260 #endif
 261         &overo_lcd43_device,
 262 };
 263
 264 static struct omap_dss_board_info overo_dss_data = {
 265         .num_devices    = ARRAY_SIZE(overo_dss_devices),
 266         .devices        = overo_dss_devices,
 267         .default_device = &overo_dvi_device,
 268 };
 269
 270 static struct regulator_consumer_supply overo_vdda_dac_supply =
 271         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 272
 273 static struct regulator_consumer_supply overo_vdds_dsi_supply[] = {
 274         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 275         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 276 };
 277
 278 static struct mtd_partition overo_nand_partitions[] = {
 279         {
 280                 .name           = "xloader",
 281                 .offset         = 0,                    /* Offset = 0x00000 */
 282                 .size           = 4 * NAND_BLOCK_SIZE,
 283                 .mask_flags     = MTD_WRITEABLE
 284         },
 285         {
 286                 .name           = "uboot",
 287                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 288                 .size           = 14 * NAND_BLOCK_SIZE,
 289         },
 290         {
 291                 .name           = "uboot environment",
 292                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
 293                 .size           = 2 * NAND_BLOCK_SIZE,
 294         },
 295         {
 296                 .name           = "linux",
 297                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 298                 .size           = 32 * NAND_BLOCK_SIZE,
 299         },
 300         {
 301                 .name           = "rootfs",
 302                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 303                 .size           = MTDPART_SIZ_FULL,
 304         },
 305 };
 306
 307 static struct omap2_hsmmc_info mmc[] = {
 308         {
 309                 .mmc            = 1,
 310                 .caps           = MMC_CAP_4_BIT_DATA,
 311                 .gpio_cd        = -EINVAL,
 312                 .gpio_wp        = -EINVAL,
 313         },
 314         {
 315                 .mmc            = 2,
 316                 .caps           = MMC_CAP_4_BIT_DATA,
 317                 .gpio_cd        = -EINVAL,
 318                 .gpio_wp        = -EINVAL,
 319                 .transceiver    = true,
 320                 .ocr_mask       = 0x00100000,   /* 3.3V */
 321         },
 322         {}      /* Terminator */
 323 };
 324
 325 static struct regulator_consumer_supply overo_vmmc1_supply = {
 326         .supply                 = "vmmc",
 327 };
 328
 329 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 330 #include <linux/leds.h>
 331
 332 static struct gpio_led gpio_leds[] = {
 333         {
 334                 .name                   = "overo:red:gpio21",
 335                 .default_trigger        = "heartbeat",
 336                 .gpio                   = 21,
 337                 .active_low             = true,
 338         },
 339         {
 340                 .name                   = "overo:blue:gpio22",
 341                 .default_trigger        = "none",
 342                 .gpio                   = 22,
 343                 .active_low             = true,
 344         },
 345         {
 346                 .name                   = "overo:blue:COM",
 347                 .default_trigger        = "mmc0",
 348                 .gpio                   = -EINVAL,      /* gets replaced */
 349                 .active_low             = true,
 350         },
 351 };
 352
 353 static struct gpio_led_platform_data gpio_leds_pdata = {
 354         .leds           = gpio_leds,
 355         .num_leds       = ARRAY_SIZE(gpio_leds),
 356 };
 357
 358 static struct platform_device gpio_leds_device = {
 359         .name   = "leds-gpio",
 360         .id     = -1,
 361         .dev    = {
 362                 .platform_data  = &gpio_leds_pdata,
 363         },
 364 };
 365
 366 static void __init overo_init_led(void)
 367 {
 368         platform_device_register(&gpio_leds_device);
 369 }
 370
 371 #else
 372 static inline void __init overo_init_led(void) { return; }
 373 #endif
 374
 375 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 376 #include <linux/input.h>
 377 #include <linux/gpio_keys.h>
 378
 379 static struct gpio_keys_button gpio_buttons[] = {
 380         {
 381                 .code                   = BTN_0,
 382                 .gpio                   = 23,
 383                 .desc                   = "button0",
 384                 .wakeup                 = 1,
 385         },
 386         {
 387                 .code                   = BTN_1,
 388                 .gpio                   = 14,
 389                 .desc                   = "button1",
 390                 .wakeup                 = 1,
 391         },
 392 };
 393
 394 static struct gpio_keys_platform_data gpio_keys_pdata = {
 395         .buttons        = gpio_buttons,
 396         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 397 };
 398
 399 static struct platform_device gpio_keys_device = {
 400         .name   = "gpio-keys",
 401         .id     = -1,
 402         .dev    = {
 403                 .platform_data  = &gpio_keys_pdata,
 404         },
 405 };
 406
 407 static void __init overo_init_keys(void)
 408 {
 409         platform_device_register(&gpio_keys_device);
 410 }
 411
 412 #else
 413 static inline void __init overo_init_keys(void) { return; }
 414 #endif
 415
 416 static int overo_twl_gpio_setup(struct device *dev,
 417                 unsigned gpio, unsigned ngpio)
 418 {
 419         omap2_hsmmc_init(mmc);
 420
 421         overo_vmmc1_supply.dev = mmc[0].dev;
 422
 423 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 424         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 425         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 426 #endif
 427
 428         return 0;
 429 }
 430
 431 static struct twl4030_gpio_platform_data overo_gpio_data = {
 432         .gpio_base      = OMAP_MAX_GPIO_LINES,
 433         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 434         .irq_end        = TWL4030_GPIO_IRQ_END,
 435         .use_leds       = true,
 436         .setup          = overo_twl_gpio_setup,
 437 };
 438
 439 static struct twl4030_usb_data overo_usb_data = {
 440         .usb_mode       = T2_USB_MODE_ULPI,
 441 };
 442
 443 static struct regulator_init_data overo_vmmc1 = {
 444         .constraints = {
 445                 .min_uV                 = 1850000,
 446                 .max_uV                 = 3150000,
 447                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 448                                         | REGULATOR_MODE_STANDBY,
 449                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 450                                         | REGULATOR_CHANGE_MODE
 451                                         | REGULATOR_CHANGE_STATUS,
 452         },
 453         .num_consumer_supplies  = 1,
 454         .consumer_supplies      = &overo_vmmc1_supply,
 455 };
 456
 457 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 458 static struct regulator_init_data overo_vdac = {
 459         .constraints = {
 460                 .min_uV                 = 1800000,
 461                 .max_uV                 = 1800000,
 462                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 463                                         | REGULATOR_MODE_STANDBY,
 464                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 465                                         | REGULATOR_CHANGE_STATUS,
 466         },
 467         .num_consumer_supplies  = 1,
 468         .consumer_supplies      = &overo_vdda_dac_supply,
 469 };
 470
 471 /* VPLL2 for digital video outputs */
 472 static struct regulator_init_data overo_vpll2 = {
 473         .constraints = {
 474                 .name                   = "VDVI",
 475                 .min_uV                 = 1800000,
 476                 .max_uV                 = 1800000,
 477                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 478                                         | REGULATOR_MODE_STANDBY,
 479                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 480                                         | REGULATOR_CHANGE_STATUS,
 481         },
 482         .num_consumer_supplies  = ARRAY_SIZE(overo_vdds_dsi_supply),
 483         .consumer_supplies      = overo_vdds_dsi_supply,
 484 };
 485
 486 static struct twl4030_codec_audio_data overo_audio_data;
 487
 488 static struct twl4030_codec_data overo_codec_data = {
 489         .audio_mclk = 26000000,
 490         .audio = &overo_audio_data,
 491 };
 492
 493 static struct twl4030_platform_data overo_twldata = {
 494         .irq_base       = TWL4030_IRQ_BASE,
 495         .irq_end        = TWL4030_IRQ_END,
 496         .gpio           = &overo_gpio_data,
 497         .usb            = &overo_usb_data,
 498         .codec          = &overo_codec_data,
 499         .vmmc1          = &overo_vmmc1,
 500         .vdac           = &overo_vdac,
 501         .vpll2          = &overo_vpll2,
 502 };
 503
 504 static int __init overo_i2c_init(void)
 505 {
 506         omap3_pmic_init("tps65950", &overo_twldata);
 507         /* i2c2 pins are used for gpio */
 508         omap_register_i2c_bus(3, 400, NULL, 0);
 509         return 0;
 510 }
 511
 512 static struct spi_board_info overo_spi_board_info[] __initdata = {
 513 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 514         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 515         {
 516                 .modalias               = "lgphilips_lb035q02_panel-spi",
 517                 .bus_num                = 1,
 518                 .chip_select            = 1,
 519                 .max_speed_hz           = 500000,
 520                 .mode                   = SPI_MODE_3,
 521         },
 522 #endif
 523 };
 524
 525 static int __init overo_spi_init(void)
 526 {
 527         overo_ads7846_init();
 528         spi_register_board_info(overo_spi_board_info,
 529                         ARRAY_SIZE(overo_spi_board_info));
 530         return 0;
 531 }
 532
 533 static void __init overo_init_early(void)
 534 {
 535         omap2_init_common_infrastructure();
 536         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 537                                   mt46h32m32lf6_sdrc_params);
 538 }
 539
 540 static const struct usbhs_omap_board_data 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         .phy_reset  = true,
 545         .reset_gpio_port[0]  = -EINVAL,
 546         .reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
 547         .reset_gpio_port[2]  = -EINVAL
 548 };
 549
 550 #ifdef CONFIG_OMAP_MUX
 551 static struct omap_board_mux board_mux[] __initdata = {
 552         { .reg_offset = OMAP_MUX_TERMINATOR },
 553 };
 554 #endif
 555
 556 static struct omap_musb_board_data musb_board_data = {
 557         .interface_type         = MUSB_INTERFACE_ULPI,
 558         .mode                   = MUSB_OTG,
 559         .power                  = 100,
 560 };
 561
 562 static void __init overo_init(void)
 563 {
 564         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 565         overo_i2c_init();
 566         omap_display_init(&overo_dss_data);
 567         omap_serial_init();
 568         omap_nand_flash_init(0, overo_nand_partitions,
 569                              ARRAY_SIZE(overo_nand_partitions));
 570         usb_musb_init(&musb_board_data);
 571         usbhs_init(&usbhs_bdata);
 572         overo_spi_init();
 573         overo_ads7846_init();
 574         overo_init_smsc911x();
 575         overo_display_init();
 576         overo_init_led();
 577         overo_init_keys();
 578
 579         /* Ensure SDRC pins are mux'd for self-refresh */
 580         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 581         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 582
 583         if ((gpio_request(OVERO_GPIO_W2W_NRESET,
 584                           "OVERO_GPIO_W2W_NRESET") == 0) &&
 585             (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
 586                 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
 587                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
 588                 udelay(10);
 589                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
 590         } else {
 591                 printk(KERN_ERR "could not obtain gpio for "
 592                                         "OVERO_GPIO_W2W_NRESET\n");
 593         }
 594
 595         if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
 596             (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
 597                 gpio_export(OVERO_GPIO_BT_XGATE, 0);
 598         else
 599                 printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
 600
 601         if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
 602             (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
 603                 gpio_export(OVERO_GPIO_BT_NRESET, 0);
 604                 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
 605                 mdelay(6);
 606                 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
 607         } else {
 608                 printk(KERN_ERR "could not obtain gpio for "
 609                                         "OVERO_GPIO_BT_NRESET\n");
 610         }
 611
 612         if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
 613             (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
 614                 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
 615         else
 616                 printk(KERN_ERR "could not obtain gpio for "
 617                                         "OVERO_GPIO_USBH_CPEN\n");
 618 }
 619
 620 MACHINE_START(OVERO, "Gumstix Overo")
 621         .boot_params    = 0x80000100,
 622         .reserve        = omap_reserve,
 623         .map_io         = omap3_map_io,
 624         .init_early     = overo_init_early,
 625         .init_irq       = omap_init_irq,
 626         .init_machine   = overo_init,
 627         .timer          = &omap_timer,
 628 MACHINE_END