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
 150 static struct resource overo_smsc911x_resources[] = {
 151         {
 152                 .name   = "smsc911x-memory",
 153                 .flags  = IORESOURCE_MEM,
 154         },
 155         {
 156                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 157         },
 158 };
 159
 160 static struct resource overo_smsc911x2_resources[] = {
 161         {
 162                 .name   = "smsc911x2-memory",
 163                 .flags  = IORESOURCE_MEM,
 164         },
 165         {
 166                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 167         },
 168 };
 169
 170 static struct smsc911x_platform_config overo_smsc911x_config = {
 171         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 172         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 173         .flags          = SMSC911X_USE_32BIT ,
 174         .phy_interface  = PHY_INTERFACE_MODE_MII,
 175 };
 176
 177 static struct platform_device overo_smsc911x_device = {
 178         .name           = "smsc911x",
 179         .id             = 0,
 180         .num_resources  = ARRAY_SIZE(overo_smsc911x_resources),
 181         .resource       = overo_smsc911x_resources,
 182         .dev            = {
 183                 .platform_data = &overo_smsc911x_config,
 184         },
 185 };
 186
 187 static struct platform_device overo_smsc911x2_device = {
 188         .name           = "smsc911x",
 189         .id             = 1,
 190         .num_resources  = ARRAY_SIZE(overo_smsc911x2_resources),
 191         .resource       = overo_smsc911x2_resources,
 192         .dev            = {
 193                 .platform_data = &overo_smsc911x_config,
 194         },
 195 };
 196
 197 static struct platform_device *smsc911x_devices[] = {
 198         &overo_smsc911x_device,
 199         &overo_smsc911x2_device,
 200 };
 201
 202 static inline void __init overo_init_smsc911x(void)
 203 {
 204         unsigned long cs_mem_base, cs_mem_base2;
 205
 206         /* set up first smsc911x chip */
 207
 208         if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
 209                 printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n");
 210                 return;
 211         }
 212
 213         overo_smsc911x_resources[0].start = cs_mem_base + 0x0;
 214         overo_smsc911x_resources[0].end   = cs_mem_base + 0xff;
 215
 216         if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
 217             (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) {
 218                 gpio_export(OVERO_SMSC911X_GPIO, 0);
 219         } else {
 220                 printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n");
 221                 return;
 222         }
 223
 224         overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO);
 225         overo_smsc911x_resources[1].end   = 0;
 226
 227         /* set up second smsc911x chip */
 228
 229         if (gpmc_cs_request(OVERO_SMSC911X2_CS, SZ_16M, &cs_mem_base2) < 0) {
 230                 printk(KERN_ERR "Failed request for GPMC mem for smsc911x2\n");
 231                 return;
 232         }
 233
 234         overo_smsc911x2_resources[0].start = cs_mem_base2 + 0x0;
 235         overo_smsc911x2_resources[0].end   = cs_mem_base2 + 0xff;
 236
 237         if ((gpio_request(OVERO_SMSC911X2_GPIO, "SMSC911X2 IRQ") == 0) &&
 238             (gpio_direction_input(OVERO_SMSC911X2_GPIO) == 0)) {
 239                 gpio_export(OVERO_SMSC911X2_GPIO, 0);
 240         } else {
 241                 printk(KERN_ERR "could not obtain gpio for SMSC911X2 IRQ\n");
 242                 return;
 243         }
 244
 245         overo_smsc911x2_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X2_GPIO);
 246         overo_smsc911x2_resources[1].end   = 0;
 247
 248         platform_add_devices(smsc911x_devices, ARRAY_SIZE(smsc911x_devices));
 249 }
 250
 251 #else
 252 static inline void __init overo_init_smsc911x(void) { return; }
 253 #endif
 254
 255 /* DSS */
 256 static int lcd_enabled;
 257 static int dvi_enabled;
 258
 259 #define OVERO_GPIO_LCD_EN 144
 260 #define OVERO_GPIO_LCD_BL 145
 261
 262 static void __init overo_display_init(void)
 263 {
 264         if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) &&
 265             (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0))
 266                 gpio_export(OVERO_GPIO_LCD_EN, 0);
 267         else
 268                 printk(KERN_ERR "could not obtain gpio for "
 269                                         "OVERO_GPIO_LCD_EN\n");
 270
 271         if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) &&
 272             (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0))
 273                 gpio_export(OVERO_GPIO_LCD_BL, 0);
 274         else
 275                 printk(KERN_ERR "could not obtain gpio for "
 276                                         "OVERO_GPIO_LCD_BL\n");
 277 }
 278
 279 static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
 280 {
 281         if (lcd_enabled) {
 282                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 283                 return -EINVAL;
 284         }
 285         dvi_enabled = 1;
 286
 287         return 0;
 288 }
 289
 290 static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
 291 {
 292         dvi_enabled = 0;
 293 }
 294
 295 static struct panel_generic_dpi_data dvi_panel = {
 296         .name                   = "generic",
 297         .platform_enable        = overo_panel_enable_dvi,
 298         .platform_disable       = overo_panel_disable_dvi,
 299 };
 300
 301 static struct omap_dss_device overo_dvi_device = {
 302         .name                   = "dvi",
 303         .type                   = OMAP_DISPLAY_TYPE_DPI,
 304         .driver_name            = "generic_dpi_panel",
 305         .data                   = &dvi_panel,
 306         .phy.dpi.data_lines     = 24,
 307 };
 308
 309 static struct omap_dss_device overo_tv_device = {
 310         .name = "tv",
 311         .driver_name = "venc",
 312         .type = OMAP_DISPLAY_TYPE_VENC,
 313         .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
 314 };
 315
 316 static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
 317 {
 318         if (dvi_enabled) {
 319                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 320                 return -EINVAL;
 321         }
 322
 323         gpio_set_value(OVERO_GPIO_LCD_EN, 1);
 324         gpio_set_value(OVERO_GPIO_LCD_BL, 1);
 325         lcd_enabled = 1;
 326         return 0;
 327 }
 328
 329 static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
 330 {
 331         gpio_set_value(OVERO_GPIO_LCD_EN, 0);
 332         gpio_set_value(OVERO_GPIO_LCD_BL, 0);
 333         lcd_enabled = 0;
 334 }
 335
 336 static struct panel_generic_dpi_data lcd43_panel = {
 337         .name                   = "samsung_lte430wq_f0c",
 338         .platform_enable        = overo_panel_enable_lcd,
 339         .platform_disable       = overo_panel_disable_lcd,
 340 };
 341
 342 static struct omap_dss_device overo_lcd43_device = {
 343         .name                   = "lcd43",
 344         .type                   = OMAP_DISPLAY_TYPE_DPI,
 345         .driver_name            = "generic_dpi_panel",
 346         .data                   = &lcd43_panel,
 347         .phy.dpi.data_lines     = 24,
 348 };
 349
 350 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 351         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 352 static struct omap_dss_device overo_lcd35_device = {
 353         .type                   = OMAP_DISPLAY_TYPE_DPI,
 354         .name                   = "lcd35",
 355         .driver_name            = "lgphilips_lb035q02_panel",
 356         .phy.dpi.data_lines     = 24,
 357         .platform_enable        = overo_panel_enable_lcd,
 358         .platform_disable       = overo_panel_disable_lcd,
 359 };
 360 #endif
 361
 362 static struct omap_dss_device *overo_dss_devices[] = {
 363         &overo_dvi_device,
 364         &overo_tv_device,
 365 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 366         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 367         &overo_lcd35_device,
 368 #endif
 369         &overo_lcd43_device,
 370 };
 371
 372 static struct omap_dss_board_info overo_dss_data = {
 373         .num_devices    = ARRAY_SIZE(overo_dss_devices),
 374         .devices        = overo_dss_devices,
 375         .default_device = &overo_dvi_device,
 376 };
 377
 378 static struct regulator_consumer_supply overo_vdda_dac_supply =
 379         REGULATOR_SUPPLY("vdda_dac", "omapdss_venc");
 380
 381 static struct regulator_consumer_supply overo_vdds_dsi_supply[] = {
 382         REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
 383         REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
 384 };
 385
 386 static struct mtd_partition overo_nand_partitions[] = {
 387         {
 388                 .name           = "xloader",
 389                 .offset         = 0,                    /* Offset = 0x00000 */
 390                 .size           = 4 * NAND_BLOCK_SIZE,
 391                 .mask_flags     = MTD_WRITEABLE
 392         },
 393         {
 394                 .name           = "uboot",
 395                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
 396                 .size           = 14 * NAND_BLOCK_SIZE,
 397         },
 398         {
 399                 .name           = "uboot environment",
 400                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x240000 */
 401                 .size           = 2 * NAND_BLOCK_SIZE,
 402         },
 403         {
 404                 .name           = "linux",
 405                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
 406                 .size           = 32 * NAND_BLOCK_SIZE,
 407         },
 408         {
 409                 .name           = "rootfs",
 410                 .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
 411                 .size           = MTDPART_SIZ_FULL,
 412         },
 413 };
 414
 415 static struct omap_nand_platform_data overo_nand_data = {
 416         .parts = overo_nand_partitions,
 417         .nr_parts = ARRAY_SIZE(overo_nand_partitions),
 418         .dma_channel = -1,      /* disable DMA in OMAP NAND driver */
 419 };
 420
 421 static void __init overo_flash_init(void)
 422 {
 423         u8 cs = 0;
 424         u8 nandcs = GPMC_CS_NUM + 1;
 425
 426         /* find out the chip-select on which NAND exists */
 427         while (cs < GPMC_CS_NUM) {
 428                 u32 ret = 0;
 429                 ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
 430
 431                 if ((ret & 0xC00) == 0x800) {
 432                         printk(KERN_INFO "Found NAND on CS%d\n", cs);
 433                         if (nandcs > GPMC_CS_NUM)
 434                                 nandcs = cs;
 435                 }
 436                 cs++;
 437         }
 438
 439         if (nandcs > GPMC_CS_NUM) {
 440                 printk(KERN_INFO "NAND: Unable to find configuration "
 441                                  "in GPMC\n ");
 442                 return;
 443         }
 444
 445         if (nandcs < GPMC_CS_NUM) {
 446                 overo_nand_data.cs = nandcs;
 447
 448                 printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
 449                 if (gpmc_nand_init(&overo_nand_data) < 0)
 450                         printk(KERN_ERR "Unable to register NAND device\n");
 451         }
 452 }
 453
 454 static struct omap2_hsmmc_info mmc[] = {
 455         {
 456                 .mmc            = 1,
 457                 .caps           = MMC_CAP_4_BIT_DATA,
 458                 .gpio_cd        = -EINVAL,
 459                 .gpio_wp        = -EINVAL,
 460         },
 461         {
 462                 .mmc            = 2,
 463                 .caps           = MMC_CAP_4_BIT_DATA,
 464                 .gpio_cd        = -EINVAL,
 465                 .gpio_wp        = -EINVAL,
 466                 .transceiver    = true,
 467                 .ocr_mask       = 0x00100000,   /* 3.3V */
 468         },
 469         {}      /* Terminator */
 470 };
 471
 472 static struct regulator_consumer_supply overo_vmmc1_supply = {
 473         .supply                 = "vmmc",
 474 };
 475
 476 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 477 #include <linux/leds.h>
 478
 479 static struct gpio_led gpio_leds[] = {
 480         {
 481                 .name                   = "overo:red:gpio21",
 482                 .default_trigger        = "heartbeat",
 483                 .gpio                   = 21,
 484                 .active_low             = true,
 485         },
 486         {
 487                 .name                   = "overo:blue:gpio22",
 488                 .default_trigger        = "none",
 489                 .gpio                   = 22,
 490                 .active_low             = true,
 491         },
 492         {
 493                 .name                   = "overo:blue:COM",
 494                 .default_trigger        = "mmc0",
 495                 .gpio                   = -EINVAL,      /* gets replaced */
 496                 .active_low             = true,
 497         },
 498 };
 499
 500 static struct gpio_led_platform_data gpio_leds_pdata = {
 501         .leds           = gpio_leds,
 502         .num_leds       = ARRAY_SIZE(gpio_leds),
 503 };
 504
 505 static struct platform_device gpio_leds_device = {
 506         .name   = "leds-gpio",
 507         .id     = -1,
 508         .dev    = {
 509                 .platform_data  = &gpio_leds_pdata,
 510         },
 511 };
 512
 513 static void __init overo_init_led(void)
 514 {
 515         platform_device_register(&gpio_leds_device);
 516 }
 517
 518 #else
 519 static inline void __init overo_init_led(void) { return; }
 520 #endif
 521
 522 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 523 #include <linux/input.h>
 524 #include <linux/gpio_keys.h>
 525
 526 static struct gpio_keys_button gpio_buttons[] = {
 527         {
 528                 .code                   = BTN_0,
 529                 .gpio                   = 23,
 530                 .desc                   = "button0",
 531                 .wakeup                 = 1,
 532         },
 533         {
 534                 .code                   = BTN_1,
 535                 .gpio                   = 14,
 536                 .desc                   = "button1",
 537                 .wakeup                 = 1,
 538         },
 539 };
 540
 541 static struct gpio_keys_platform_data gpio_keys_pdata = {
 542         .buttons        = gpio_buttons,
 543         .nbuttons       = ARRAY_SIZE(gpio_buttons),
 544 };
 545
 546 static struct platform_device gpio_keys_device = {
 547         .name   = "gpio-keys",
 548         .id     = -1,
 549         .dev    = {
 550                 .platform_data  = &gpio_keys_pdata,
 551         },
 552 };
 553
 554 static void __init overo_init_keys(void)
 555 {
 556         platform_device_register(&gpio_keys_device);
 557 }
 558
 559 #else
 560 static inline void __init overo_init_keys(void) { return; }
 561 #endif
 562
 563 static int overo_twl_gpio_setup(struct device *dev,
 564                 unsigned gpio, unsigned ngpio)
 565 {
 566         omap2_hsmmc_init(mmc);
 567
 568         overo_vmmc1_supply.dev = mmc[0].dev;
 569
 570 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 571         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
 572         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 573 #endif
 574
 575         return 0;
 576 }
 577
 578 static struct twl4030_gpio_platform_data overo_gpio_data = {
 579         .gpio_base      = OMAP_MAX_GPIO_LINES,
 580         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 581         .irq_end        = TWL4030_GPIO_IRQ_END,
 582         .use_leds       = true,
 583         .setup          = overo_twl_gpio_setup,
 584 };
 585
 586 static struct twl4030_usb_data overo_usb_data = {
 587         .usb_mode       = T2_USB_MODE_ULPI,
 588 };
 589
 590 static struct regulator_init_data overo_vmmc1 = {
 591         .constraints = {
 592                 .min_uV                 = 1850000,
 593                 .max_uV                 = 3150000,
 594                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 595                                         | REGULATOR_MODE_STANDBY,
 596                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 597                                         | REGULATOR_CHANGE_MODE
 598                                         | REGULATOR_CHANGE_STATUS,
 599         },
 600         .num_consumer_supplies  = 1,
 601         .consumer_supplies      = &overo_vmmc1_supply,
 602 };
 603
 604 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 605 static struct regulator_init_data overo_vdac = {
 606         .constraints = {
 607                 .min_uV                 = 1800000,
 608                 .max_uV                 = 1800000,
 609                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 610                                         | REGULATOR_MODE_STANDBY,
 611                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 612                                         | REGULATOR_CHANGE_STATUS,
 613         },
 614         .num_consumer_supplies  = 1,
 615         .consumer_supplies      = &overo_vdda_dac_supply,
 616 };
 617
 618 /* VPLL2 for digital video outputs */
 619 static struct regulator_init_data overo_vpll2 = {
 620         .constraints = {
 621                 .name                   = "VDVI",
 622                 .min_uV                 = 1800000,
 623                 .max_uV                 = 1800000,
 624                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 625                                         | REGULATOR_MODE_STANDBY,
 626                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 627                                         | REGULATOR_CHANGE_STATUS,
 628         },
 629         .num_consumer_supplies  = ARRAY_SIZE(overo_vdds_dsi_supply),
 630         .consumer_supplies      = overo_vdds_dsi_supply,
 631 };
 632
 633 static struct twl4030_codec_audio_data overo_audio_data;
 634
 635 static struct twl4030_codec_data overo_codec_data = {
 636         .audio_mclk = 26000000,
 637         .audio = &overo_audio_data,
 638 };
 639
 640 static struct twl4030_platform_data overo_twldata = {
 641         .irq_base       = TWL4030_IRQ_BASE,
 642         .irq_end        = TWL4030_IRQ_END,
 643         .gpio           = &overo_gpio_data,
 644         .usb            = &overo_usb_data,
 645         .codec          = &overo_codec_data,
 646         .vmmc1          = &overo_vmmc1,
 647         .vdac           = &overo_vdac,
 648         .vpll2          = &overo_vpll2,
 649 };
 650
 651 static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
 652         {
 653                 I2C_BOARD_INFO("tps65950", 0x48),
 654                 .flags = I2C_CLIENT_WAKE,
 655                 .irq = INT_34XX_SYS_NIRQ,
 656                 .platform_data = &overo_twldata,
 657         },
 658 };
 659
 660 static int __init overo_i2c_init(void)
 661 {
 662         omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
 663                         ARRAY_SIZE(overo_i2c_boardinfo));
 664         /* i2c2 pins are used for gpio */
 665         omap_register_i2c_bus(3, 400, NULL, 0);
 666         return 0;
 667 }
 668
 669 static struct spi_board_info overo_spi_board_info[] __initdata = {
 670 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
 671         defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 672         {
 673                 .modalias               = "ads7846",
 674                 .bus_num                = 1,
 675                 .chip_select            = 0,
 676                 .max_speed_hz           = 1500000,
 677                 .controller_data        = &ads7846_mcspi_config,
 678                 .irq                    = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN),
 679                 .platform_data          = &ads7846_config,
 680         },
 681 #endif
 682 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
 683         defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
 684         {
 685                 .modalias               = "lgphilips_lb035q02_panel-spi",
 686                 .bus_num                = 1,
 687                 .chip_select            = 1,
 688                 .max_speed_hz           = 500000,
 689                 .mode                   = SPI_MODE_3,
 690         },
 691 #endif
 692 };
 693
 694 static int __init overo_spi_init(void)
 695 {
 696         overo_ads7846_init();
 697         spi_register_board_info(overo_spi_board_info,
 698                         ARRAY_SIZE(overo_spi_board_info));
 699         return 0;
 700 }
 701
 702 static void __init overo_init_early(void)
 703 {
 704         omap2_init_common_infrastructure();
 705         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
 706                                   mt46h32m32lf6_sdrc_params);
 707 }
 708
 709 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 710         .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
 711         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 712         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 713         .phy_reset  = true,
 714         .reset_gpio_port[0]  = -EINVAL,
 715         .reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
 716         .reset_gpio_port[2]  = -EINVAL
 717 };
 718
 719 #ifdef CONFIG_OMAP_MUX
 720 static struct omap_board_mux board_mux[] __initdata = {
 721         { .reg_offset = OMAP_MUX_TERMINATOR },
 722 };
 723 #endif
 724
 725 static struct omap_musb_board_data musb_board_data = {
 726         .interface_type         = MUSB_INTERFACE_ULPI,
 727         .mode                   = MUSB_OTG,
 728         .power                  = 100,
 729 };
 730
 731 static void __init overo_init(void)
 732 {
 733         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 734         overo_i2c_init();
 735         omap_display_init(&overo_dss_data);
 736         omap_serial_init();
 737         overo_flash_init();
 738         usb_musb_init(&musb_board_data);
 739         usbhs_init(&usbhs_bdata);
 740         overo_spi_init();
 741         overo_ads7846_init();
 742         overo_init_smsc911x();
 743         overo_display_init();
 744         overo_init_led();
 745         overo_init_keys();
 746
 747         /* Ensure SDRC pins are mux'd for self-refresh */
 748         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
 749         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
 750
 751         if ((gpio_request(OVERO_GPIO_W2W_NRESET,
 752                           "OVERO_GPIO_W2W_NRESET") == 0) &&
 753             (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
 754                 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
 755                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
 756                 udelay(10);
 757                 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
 758         } else {
 759                 printk(KERN_ERR "could not obtain gpio for "
 760                                         "OVERO_GPIO_W2W_NRESET\n");
 761         }
 762
 763         if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
 764             (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
 765                 gpio_export(OVERO_GPIO_BT_XGATE, 0);
 766         else
 767                 printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
 768
 769         if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
 770             (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
 771                 gpio_export(OVERO_GPIO_BT_NRESET, 0);
 772                 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
 773                 mdelay(6);
 774                 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
 775         } else {
 776                 printk(KERN_ERR "could not obtain gpio for "
 777                                         "OVERO_GPIO_BT_NRESET\n");
 778         }
 779
 780         if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
 781             (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
 782                 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
 783         else
 784                 printk(KERN_ERR "could not obtain gpio for "
 785                                         "OVERO_GPIO_USBH_CPEN\n");
 786 }
 787
 788 MACHINE_START(OVERO, "Gumstix Overo")
 789         .boot_params    = 0x80000100,
 790         .reserve        = omap_reserve,
 791         .map_io         = omap3_map_io,
 792         .init_early     = overo_init_early,
 793         .init_irq       = omap_init_irq,
 794         .init_machine   = overo_init,
 795         .timer          = &omap_timer,
 796 MACHINE_END