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
  60 #define OVERO_GPIO_BT_XGATE     15
  61 #define OVERO_GPIO_W2W_NRESET   16
  62 #define OVERO_GPIO_PENDOWN      114
  63 #define OVERO_GPIO_BT_NRESET    164
  64 #define OVERO_GPIO_USBH_CPEN    168
  65 #define OVERO_GPIO_USBH_NRESET  183
  66
  67 #define NAND_BLOCK_SIZE SZ_128K
  68
  69 #define OVERO_SMSC911X_CS      5
  70 #define OVERO_SMSC911X_GPIO    176
  71 #define OVERO_SMSC911X2_CS     4
  72 #define OVERO_SMSC911X2_GPIO   65
  73
  74 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
  75         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
  76
  77 #include <linux/spi/ads7846.h>
  78
  79 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
  80         .turbo_mode     = 0,
  81         .single_channel = 1,    /* 0: slave, 1: master */
  82 };
  83
  84 static int ads7846_get_pendown_state(void)
  85 {
  86         return !gpio_get_value(OVERO_GPIO_PENDOWN);
  87 }
  88
  89 static struct ads7846_platform_data ads7846_config = {
  90         .x_max                  = 0x0fff,
  91         .y_max                  = 0x0fff,
  92         .x_plate_ohms           = 180,
  93         .pressure_max           = 255,
  94         .debounce_max           = 10,
  95         .debounce_tol           = 3,
  96         .debounce_rep           = 1,
  97         .get_pendown_state      = ads7846_get_pendown_state,
  98         .keep_vref_on           = 1,
  99 };
 100
 101 /* fixed regulator for ads7846 */
 102 static struct regulator_consumer_supply ads7846_supply =
 103         REGULATOR_SUPPLY("vcc", "spi1.0");
 104
 105 static struct regulator_init_data vads7846_regulator = {
 106         .constraints = {
 107                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 108         },
 109         .num_consumer_supplies  = 1,
 110         .consumer_supplies      = &ads7846_supply,
 111 };
 112
 113 static struct fixed_voltage_config vads7846 = {
 114         .supply_name            = "vads7846",
 115         .microvolts             = 3300000, /* 3.3V */
 116         .gpio                   = -EINVAL,
 117         .startup_delay          = 0,
 118         .init_data              = &vads7846_regulator,
 119 };
 120
 121 static struct platform_device vads7846_device = {
 122         .name           = "reg-fixed-voltage",
 123         .id             = 1,
 124         .dev = {
 125                 .platform_data = &vads7846,
 126         },
 127 };
 128
 129 static void __init overo_ads7846_init(void)
 130 {
 131         if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
 132             (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) {
 133                 gpio_export(OVERO_GPIO_PENDOWN, 0);
 134         } else {
 135                 printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n");
 136                 return;
 137         }
 138
 139         platform_device_register(&vads7846_device);
 140 }
 141
 142 #else
 143 static inline void __init overo_ads7846_init(void) { return; }
 144 #endif
 145
 146 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 147
 148 #include <linux/smsc911x.h>
 149 #include <plat/gpmc-smsc911x.h>
 150
 151 static struct omap_smsc911x_platform_data smsc911x_cfg = {
 152         .id             = 0,
 153         .cs             = OVERO_SMSC911X_CS,
 154         .gpio_irq       = OVERO_SMSC911X_GPIO,
 155         .gpio_reset     = -EINVAL,
 156         .flags          = SMSC911X_USE_32BIT,
 157 };
 158
 159 static struct omap_smsc911x_platform_data smsc911x2_cfg = {
 160         .id             = 1,
 161         .cs             = OVERO_SMSC911X2_CS,
 162         .gpio_irq       = OVERO_SMSC911X2_GPIO,
 163         .gpio_reset     = -EINVAL,
 164         .flags          = SMSC911X_USE_32BIT,
 165 };
 166
 167 static void __init overo_init_smsc911x(void)
 168 {
 169         gpmc_smsc911x_init(&smsc911x_cfg);
 170         gpmc_smsc911x_init(&smsc911x2_cfg);
 171 }
 172
 173 #else
 174 static inline void __init overo_init_smsc911x(void) { return; }
 175 #endif
 176
 177 /* DSS */
 178 static int lcd_enabled;
 179 static int dvi_enabled;
 180
 181 #define OVERO_GPIO_LCD_EN 144
 182 #define OVERO_GPIO_LCD_BL 145
 183
 184 static void __init overo_display_init(void)
 185 {
 186         if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) &&
 187             (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0))
 188                 gpio_export(OVERO_GPIO_LCD_EN, 0);
 189         else
 190                 printk(KERN_ERR "could not obtain gpio for "
 191                                         "OVERO_GPIO_LCD_EN\n");
 192
 193         if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) &&
 194             (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0))
 195                 gpio_export(OVERO_GPIO_LCD_BL, 0);
 196         else
 197                 printk(KERN_ERR "could not obtain gpio for "
 198                                         "OVERO_GPIO_LCD_BL\n");
 199 }
 200
 201 static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
 202 {
 203         if (lcd_enabled) {
 204                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 205                 return -EINVAL;
 206         }
 207         dvi_enabled = 1;
 208
 209         return 0;
 210 }
 211
 212 static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
 213 {
 214         dvi_enabled = 0;
 215 }
 216
 217 static struct panel_generic_dpi_data dvi_panel = {
 218         .name                   = "generic",
 219         .platform_enable        = overo_panel_enable_dvi,
 220         .platform_disable       = overo_panel_disable_dvi,
 221 };
 222
 223 static struct omap_dss_device overo_dvi_device = {
 224         .name                   = "dvi",
 225         .type                   = OMAP_DISPLAY_TYPE_DPI,
 226         .driver_name            = "generic_dpi_panel",
 227         .data                   = &dvi_panel,
 228         .phy.dpi.data_lines     = 24,
 229 };
 230
 231 static struct omap_dss_device overo_tv_device = {
 232         .name = "tv",
 233         .driver_name = "venc",
 234         .type = OMAP_DISPLAY_TYPE_VENC,
 235         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 236 };
 237
 238 static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
 239 {
 240         if (dvi_enabled) {
 241                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 242                 return -EINVAL;
 243         }
 244
 245         gpio_set_value(OVERO_GPIO_LCD_EN, 1);
 246         gpio_set_value(OVERO_GPIO_LCD_BL, 1);
 247         lcd_enabled = 1;
 248         return 0;
 249 }
 250
 251 static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
 252 {
 253         gpio_set_value(OVERO_GPIO_LCD_EN, 0);
 254         gpio_set_value(OVERO_GPIO_LCD_BL, 0);
 255         lcd_enabled = 0;
 256 }
 257
 258 static struct panel_generic_dpi_data lcd43_panel = {
 259         .name                   = "samsung_lte430wq_f0c",
 260         .platform_enable        = overo_panel_enable_lcd,
 261         .platform_disable       = overo_panel_disable_lcd,
 262 };
 263
 264 static struct omap_dss_device overo_lcd43_device = {
 265         .name                   = "lcd43",
 266         .type                   = OMAP_DISPLAY_TYPE_DPI,
 267         .driver_name            = "generic_dpi_panel",
 268         .data                   = &lcd43_panel,
 269         .phy.dpi.data_lines     = 24,
 270 };
 271
 272 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 273         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 274 static struct omap_dss_device overo_lcd35_device = {
 275         .type                   = OMAP_DISPLAY_TYPE_DPI,
 276         .name                   = "lcd35",
 277         .driver_name            = "lgphilips_lb035q02_panel",
 278         .phy.dpi.data_lines     = 24,
 279         .platform_enable        = overo_panel_enable_lcd,
 280         .platform_disable       = overo_panel_disable_lcd,
 281 };
 282 #endif
 283
 284 static struct omap_dss_device *overo_dss_devices[] = {
 285         &overo_dvi_device,
 286         &overo_tv_device,
 287 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 288         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 289         &overo_lcd35_device,
 290 #endif
 291         &overo_lcd43_device,
 292 };
 293
 294 static struct omap_dss_board_info overo_dss_data = {
 295         .num_devices    = ARRAY_SIZE(overo_dss_devices),
 296         .devices        = overo_dss_devices,
 297         .default_device = &overo_dvi_device,
 298 };
 299
 300 static struct regulator_consumer_supply overo_vdda_dac_supply =
 301         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 302
 303 static struct regulator_consumer_supply overo_vdds_dsi_supply[] = {
 304         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 305         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 306 };
 307
 308 static struct mtd_partition overo_nand_partitions[] = {
 309         {
 310                 .name           = "xloader",
 311                 .offset         = 0,                    /* Offset = 0x00000 */
 312                 .size           = 4 * NAND_BLOCK_SIZE,
 313                 .mask_flags     = MTD_WRITEABLE
 314         },
 315         {
 316                 .name           = "uboot",
 317                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 318                 .size           = 14 * NAND_BLOCK_SIZE,
 319         },
 320         {
 321                 .name           = "uboot environment",
 322                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
 323                 .size           = 2 * NAND_BLOCK_SIZE,
 324         },
 325         {
 326                 .name           = "linux",
 327                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 328                 .size           = 32 * NAND_BLOCK_SIZE,
 329         },
 330         {
 331                 .name           = "rootfs",
 332                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 333                 .size           = MTDPART_SIZ_FULL,
 334         },
 335 };
 336
 337 static struct omap_nand_platform_data overo_nand_data = {
 338         .parts = overo_nand_partitions,
 339         .nr_parts = ARRAY_SIZE(overo_nand_partitions),
 340         .dma_channel = -1,      /* disable DMA in OMAP NAND driver */
 341 };
 342
 343 static void __init overo_flash_init(void)
 344 {
 345         u8 cs = 0;
 346         u8 nandcs = GPMC_CS_NUM + 1;
 347
 348         /* find out the chip-select on which NAND exists */
 349         while (cs < GPMC_CS_NUM) {
 350                 u32 ret = 0;
 351                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 352
 353                 if ((ret & 0xC00) == 0x800) {
 354                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 355                         if (nandcs > GPMC_CS_NUM)
 356                                 nandcs = cs;
 357                 }
 358                 cs++;
 359         }
 360
 361         if (nandcs > GPMC_CS_NUM) {
 362                 printk(KERN_INFO "NAND: Unable to find configuration "
 363                                  "in GPMC\n ");
 364                 return;
 365         }
 366
 367         if (nandcs < GPMC_CS_NUM) {
 368                 overo_nand_data.cs = nandcs;
 369
 370                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 371                 if (gpmc_nand_init(&overo_nand_data) < 0)
 372                         printk(KERN_ERR "Unable to register NAND device\n");
 373         }
 374 }
 375
 376 static struct omap2_hsmmc_info mmc[] = {
 377         {
 378                 .mmc            = 1,
 379                 .caps           = MMC_CAP_4_BIT_DATA,
 380                 .gpio_cd        = -EINVAL,
 381                 .gpio_wp        = -EINVAL,
 382         },
 383         {
 384                 .mmc            = 2,
 385                 .caps           = MMC_CAP_4_BIT_DATA,
 386                 .gpio_cd        = -EINVAL,
 387                 .gpio_wp        = -EINVAL,
 388                 .transceiver    = true,
 389                 .ocr_mask       = 0x00100000,   /* 3.3V */
 390         },
 391         {}      /* Terminator */
 392 };
 393
 394 static struct regulator_consumer_supply overo_vmmc1_supply = {
 395         .supply                 = "vmmc",
 396 };
 397
 398 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 399 #include <linux/leds.h>
 400
 401 static struct gpio_led gpio_leds[] = {
 402         {
 403                 .name                   = "overo:red:gpio21",
 404                 .default_trigger        = "heartbeat",
 405                 .gpio                   = 21,
 406                 .active_low             = true,
 407         },
 408         {
 409                 .name                   = "overo:blue:gpio22",
 410                 .default_trigger        = "none",
 411                 .gpio                   = 22,
 412                 .active_low             = true,
 413         },
 414         {
 415                 .name                   = "overo:blue:COM",
 416                 .default_trigger        = "mmc0",
 417                 .gpio                   = -EINVAL,      /* gets replaced */
 418                 .active_low             = true,
 419         },
 420 };
 421
 422 static struct gpio_led_platform_data gpio_leds_pdata = {
 423         .leds           = gpio_leds,
 424         .num_leds       = ARRAY_SIZE(gpio_leds),
 425 };
 426
 427 static struct platform_device gpio_leds_device = {
 428         .name   = "leds-gpio",
 429         .id     = -1,
 430         .dev    = {
 431                 .platform_data  = &gpio_leds_pdata,
 432         },
 433 };
 434
 435 static void __init overo_init_led(void)
 436 {
 437         platform_device_register(&gpio_leds_device);
 438 }
 439
 440 #else
 441 static inline void __init overo_init_led(void) { return; }
 442 #endif
 443
 444 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 445 #include <linux/input.h>
 446 #include <linux/gpio_keys.h>
 447
 448 static struct gpio_keys_button gpio_buttons[] = {
 449         {
 450                 .code                   = BTN_0,
 451                 .gpio                   = 23,
 452                 .desc                   = "button0",
 453                 .wakeup                 = 1,
 454         },
 455         {
 456                 .code                   = BTN_1,
 457                 .gpio                   = 14,
 458                 .desc                   = "button1",
 459                 .wakeup                 = 1,
 460         },
 461 };
 462
 463 static struct gpio_keys_platform_data gpio_keys_pdata = {
 464         .buttons        = gpio_buttons,
 465         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 466 };
 467
 468 static struct platform_device gpio_keys_device = {
 469         .name   = "gpio-keys",
 470         .id     = -1,
 471         .dev    = {
 472                 .platform_data  = &gpio_keys_pdata,
 473         },
 474 };
 475
 476 static void __init overo_init_keys(void)
 477 {
 478         platform_device_register(&gpio_keys_device);
 479 }
 480
 481 #else
 482 static inline void __init overo_init_keys(void) { return; }
 483 #endif
 484
 485 static int overo_twl_gpio_setup(struct device *dev,
 486                 unsigned gpio, unsigned ngpio)
 487 {
 488         omap2_hsmmc_init(mmc);
 489
 490         overo_vmmc1_supply.dev = mmc[0].dev;
 491
 492 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 493         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 494         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 495 #endif
 496
 497         return 0;
 498 }
 499
 500 static struct twl4030_gpio_platform_data overo_gpio_data = {
 501         .gpio_base      = OMAP_MAX_GPIO_LINES,
 502         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 503         .irq_end        = TWL4030_GPIO_IRQ_END,
 504         .use_leds       = true,
 505         .setup          = overo_twl_gpio_setup,
 506 };
 507
 508 static struct twl4030_usb_data overo_usb_data = {
 509         .usb_mode       = T2_USB_MODE_ULPI,
 510 };
 511
 512 static struct regulator_init_data overo_vmmc1 = {
 513         .constraints = {
 514                 .min_uV                 = 1850000,
 515                 .max_uV                 = 3150000,
 516                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 517                                         | REGULATOR_MODE_STANDBY,
 518                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 519                                         | REGULATOR_CHANGE_MODE
 520                                         | REGULATOR_CHANGE_STATUS,
 521         },
 522         .num_consumer_supplies  = 1,
 523         .consumer_supplies      = &overo_vmmc1_supply,
 524 };
 525
 526 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 527 static struct regulator_init_data overo_vdac = {
 528         .constraints = {
 529                 .min_uV                 = 1800000,
 530                 .max_uV                 = 1800000,
 531                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 532                                         | REGULATOR_MODE_STANDBY,
 533                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 534                                         | REGULATOR_CHANGE_STATUS,
 535         },
 536         .num_consumer_supplies  = 1,
 537         .consumer_supplies      = &overo_vdda_dac_supply,
 538 };
 539
 540 /* VPLL2 for digital video outputs */
 541 static struct regulator_init_data overo_vpll2 = {
 542         .constraints = {
 543                 .name                   = "VDVI",
 544                 .min_uV                 = 1800000,
 545                 .max_uV                 = 1800000,
 546                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 547                                         | REGULATOR_MODE_STANDBY,
 548                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 549                                         | REGULATOR_CHANGE_STATUS,
 550         },
 551         .num_consumer_supplies  = ARRAY_SIZE(overo_vdds_dsi_supply),
 552         .consumer_supplies      = overo_vdds_dsi_supply,
 553 };
 554
 555 static struct twl4030_codec_audio_data overo_audio_data;
 556
 557 static struct twl4030_codec_data overo_codec_data = {
 558         .audio_mclk = 26000000,
 559         .audio = &overo_audio_data,
 560 };
 561
 562 static struct twl4030_platform_data overo_twldata = {
 563         .irq_base       = TWL4030_IRQ_BASE,
 564         .irq_end        = TWL4030_IRQ_END,
 565         .gpio           = &overo_gpio_data,
 566         .usb            = &overo_usb_data,
 567         .codec          = &overo_codec_data,
 568         .vmmc1          = &overo_vmmc1,
 569         .vdac           = &overo_vdac,
 570         .vpll2          = &overo_vpll2,
 571 };
 572
 573 static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
 574         {
 575                 I2C_BOARD_INFO("tps65950", 0x48),
 576                 .flags = I2C_CLIENT_WAKE,
 577                 .irq = INT_34XX_SYS_NIRQ,
 578                 .platform_data = &overo_twldata,
 579         },
 580 };
 581
 582 static int __init overo_i2c_init(void)
 583 {
 584         omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
 585                         ARRAY_SIZE(overo_i2c_boardinfo));
 586         /* i2c2 pins are used for gpio */
 587         omap_register_i2c_bus(3, 400, NULL, 0);
 588         return 0;
 589 }
 590
 591 static struct spi_board_info overo_spi_board_info[] __initdata = {
 592 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
 593         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 594         {
 595                 .modalias               = "ads7846",
 596                 .bus_num                = 1,
 597                 .chip_select            = 0,
 598                 .max_speed_hz           = 1500000,
 599                 .controller_data        = &ads7846_mcspi_config,
 600                 .irq                    = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
 601                 .platform_data          = &ads7846_config,
 602         },
 603 #endif
 604 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 605         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 606         {
 607                 .modalias               = "lgphilips_lb035q02_panel-spi",
 608                 .bus_num                = 1,
 609                 .chip_select            = 1,
 610                 .max_speed_hz           = 500000,
 611                 .mode                   = SPI_MODE_3,
 612         },
 613 #endif
 614 };
 615
 616 static int __init overo_spi_init(void)
 617 {
 618         overo_ads7846_init();
 619         spi_register_board_info(overo_spi_board_info,
 620                         ARRAY_SIZE(overo_spi_board_info));
 621         return 0;
 622 }
 623
 624 static void __init overo_init_early(void)
 625 {
 626         omap2_init_common_infrastructure();
 627         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 628                                   mt46h32m32lf6_sdrc_params);
 629 }
 630
 631 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 632         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 633         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 634         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 635         .phy_reset  = true,
 636         .reset_gpio_port[0]  = -EINVAL,
 637         .reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
 638         .reset_gpio_port[2]  = -EINVAL
 639 };
 640
 641 #ifdef CONFIG_OMAP_MUX
 642 static struct omap_board_mux board_mux[] __initdata = {
 643         { .reg_offset = OMAP_MUX_TERMINATOR },
 644 };
 645 #endif
 646
 647 static struct omap_musb_board_data musb_board_data = {
 648         .interface_type         = MUSB_INTERFACE_ULPI,
 649         .mode                   = MUSB_OTG,
 650         .power                  = 100,
 651 };
 652
 653 static void __init overo_init(void)
 654 {
 655         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 656         overo_i2c_init();
 657         omap_display_init(&overo_dss_data);
 658         omap_serial_init();
 659         overo_flash_init();
 660         usb_musb_init(&musb_board_data);
 661         usbhs_init(&usbhs_bdata);
 662         overo_spi_init();
 663         overo_ads7846_init();
 664         overo_init_smsc911x();
 665         overo_display_init();
 666         overo_init_led();
 667         overo_init_keys();
 668
 669         /* Ensure SDRC pins are mux'd for self-refresh */
 670         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 671         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 672
 673         if ((gpio_request(OVERO_GPIO_W2W_NRESET,
 674                           "OVERO_GPIO_W2W_NRESET") == 0) &&
 675             (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
 676                 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
 677                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
 678                 udelay(10);
 679                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
 680         } else {
 681                 printk(KERN_ERR "could not obtain gpio for "
 682                                         "OVERO_GPIO_W2W_NRESET\n");
 683         }
 684
 685         if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
 686             (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
 687                 gpio_export(OVERO_GPIO_BT_XGATE, 0);
 688         else
 689                 printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
 690
 691         if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
 692             (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
 693                 gpio_export(OVERO_GPIO_BT_NRESET, 0);
 694                 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
 695                 mdelay(6);
 696                 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
 697         } else {
 698                 printk(KERN_ERR "could not obtain gpio for "
 699                                         "OVERO_GPIO_BT_NRESET\n");
 700         }
 701
 702         if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
 703             (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
 704                 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
 705         else
 706                 printk(KERN_ERR "could not obtain gpio for "
 707                                         "OVERO_GPIO_USBH_CPEN\n");
 708 }
 709
 710 MACHINE_START(OVERO, "Gumstix Overo")
 711         .boot_params    = 0x80000100,
 712         .reserve        = omap_reserve,
 713         .map_io         = omap3_map_io,
 714         .init_early     = overo_init_early,
 715         .init_irq       = omap_init_irq,
 716         .init_machine   = overo_init,
 717         .timer          = &omap_timer,
 718 MACHINE_END