arch/arm/mach-omap2/board-omap4panda.c

   1 /*
   2  * Board support file for OMAP4430 based PandaBoard.
   3  *
   4  * Copyright (C) 2010 Texas Instruments
   5  *
   6  * Author: David Anders <x0132446@ti.com>
   7  *
   8  * Based on mach-omap2/board-4430sdp.c
   9  *
  10  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
  11  *
  12  * Based on mach-omap2/board-3430sdp.c
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License version 2 as
  16  * published by the Free Software Foundation.
  17  */
  18
  19 #include <linux/kernel.h>
  20 #include <linux/init.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/clk.h>
  23 #include <linux/io.h>
  24 #include <linux/leds.h>
  25 #include <linux/gpio.h>
  26 #include <linux/usb/otg.h>
  27 #include <linux/i2c/twl.h>
  28 #include <linux/regulator/machine.h>
  29 #include <linux/regulator/fixed.h>
  30 #include <linux/wl12xx.h>
  31
  32 #include <mach/hardware.h>
  33 #include <mach/omap4-common.h>
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36 #include <asm/mach/map.h>
  37 #include <video/omapdss.h>
  38
  39 #include <plat/board.h>
  40 #include <plat/common.h>
  41 #include <plat/usb.h>
  42 #include <plat/mmc.h>
  43 #include <video/omap-panel-generic-dpi.h>
  44
  45 #include "hsmmc.h"
  46 #include "control.h"
  47 #include "mux.h"
  48 #include "common-board-devices.h"
  49
  50 #define GPIO_HUB_POWER          1
  51 #define GPIO_HUB_NRESET         62
  52 #define GPIO_WIFI_PMENA         43
  53 #define GPIO_WIFI_IRQ           53
  54 #define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
  55 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
  56
  57 /* wl127x BT, FM, GPS connectivity chip */
  58 static int wl1271_gpios[] = {46, -1, -1};
  59 static struct platform_device wl1271_device = {
  60         .name   = "kim",
  61         .id     = -1,
  62         .dev    = {
  63                 .platform_data  = &wl1271_gpios,
  64         },
  65 };
  66
  67 static struct gpio_led gpio_leds[] = {
  68         {
  69                 .name                   = "pandaboard::status1",
  70                 .default_trigger        = "heartbeat",
  71                 .gpio                   = 7,
  72         },
  73         {
  74                 .name                   = "pandaboard::status2",
  75                 .default_trigger        = "mmc0",
  76                 .gpio                   = 8,
  77         },
  78 };
  79
  80 static struct gpio_led_platform_data gpio_led_info = {
  81         .leds           = gpio_leds,
  82         .num_leds       = ARRAY_SIZE(gpio_leds),
  83 };
  84
  85 static struct platform_device leds_gpio = {
  86         .name   = "leds-gpio",
  87         .id     = -1,
  88         .dev    = {
  89                 .platform_data  = &gpio_led_info,
  90         },
  91 };
  92
  93 static struct platform_device *panda_devices[] __initdata = {
  94         &leds_gpio,
  95         &wl1271_device,
  96 };
  97
  98 static void __init omap4_panda_init_early(void)
  99 {
 100         omap2_init_common_infrastructure();
 101         omap2_init_common_devices(NULL, NULL);
 102 }
 103
 104 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 105         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 106         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 107         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 108         .phy_reset  = false,
 109         .reset_gpio_port[0]  = -EINVAL,
 110         .reset_gpio_port[1]  = -EINVAL,
 111         .reset_gpio_port[2]  = -EINVAL
 112 };
 113
 114 static struct gpio panda_ehci_gpios[] __initdata = {
 115         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
 116         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
 117 };
 118
 119 static void __init omap4_ehci_init(void)
 120 {
 121         int ret;
 122         struct clk *phy_ref_clk;
 123
 124         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 125         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 126         if (IS_ERR(phy_ref_clk)) {
 127                 pr_err("Cannot request auxclk3\n");
 128                 return;
 129         }
 130         clk_set_rate(phy_ref_clk, 19200000);
 131         clk_enable(phy_ref_clk);
 132
 133         /* disable the power to the usb hub prior to init and reset phy+hub */
 134         ret = gpio_request_array(panda_ehci_gpios,
 135                                  ARRAY_SIZE(panda_ehci_gpios));
 136         if (ret) {
 137                 pr_err("Unable to initialize EHCI power/reset\n");
 138                 return;
 139         }
 140
 141         gpio_export(GPIO_HUB_POWER, 0);
 142         gpio_export(GPIO_HUB_NRESET, 0);
 143         gpio_set_value(GPIO_HUB_NRESET, 1);
 144
 145         usbhs_init(&usbhs_bdata);
 146
 147         /* enable power to hub */
 148         gpio_set_value(GPIO_HUB_POWER, 1);
 149 }
 150
 151 static struct omap_musb_board_data musb_board_data = {
 152         .interface_type         = MUSB_INTERFACE_UTMI,
 153         .mode                   = MUSB_OTG,
 154         .power                  = 100,
 155 };
 156
 157 static struct omap2_hsmmc_info mmc[] = {
 158         {
 159                 .mmc            = 1,
 160                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 161                 .gpio_wp        = -EINVAL,
 162                 .gpio_cd        = -EINVAL,
 163         },
 164         {
 165                 .name           = "wl1271",
 166                 .mmc            = 5,
 167                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 168                 .gpio_wp        = -EINVAL,
 169                 .gpio_cd        = -EINVAL,
 170                 .ocr_mask       = MMC_VDD_165_195,
 171                 .nonremovable   = true,
 172         },
 173         {}      /* Terminator */
 174 };
 175
 176 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
 177         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
 178 };
 179
 180 static struct regulator_init_data panda_vmmc5 = {
 181         .constraints = {
 182                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 183         },
 184         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
 185         .consumer_supplies = omap4_panda_vmmc5_supply,
 186 };
 187
 188 static struct fixed_voltage_config panda_vwlan = {
 189         .supply_name = "vwl1271",
 190         .microvolts = 1800000, /* 1.8V */
 191         .gpio = GPIO_WIFI_PMENA,
 192         .startup_delay = 70000, /* 70msec */
 193         .enable_high = 1,
 194         .enabled_at_boot = 0,
 195         .init_data = &panda_vmmc5,
 196 };
 197
 198 static struct platform_device omap_vwlan_device = {
 199         .name           = "reg-fixed-voltage",
 200         .id             = 1,
 201         .dev = {
 202                 .platform_data = &panda_vwlan,
 203         },
 204 };
 205
 206 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 207         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 208         /* PANDA ref clock is 38.4 MHz */
 209         .board_ref_clock = 2,
 210 };
 211
 212 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 213 {
 214         int ret = 0;
 215         struct platform_device *pdev = container_of(dev,
 216                                 struct platform_device, dev);
 217         struct omap_mmc_platform_data *pdata = dev->platform_data;
 218
 219         if (!pdata) {
 220                 dev_err(dev, "%s: NULL platform data\n", __func__);
 221                 return -EINVAL;
 222         }
 223         /* Setting MMC1 Card detect Irq */
 224         if (pdev->id == 0) {
 225                 ret = twl6030_mmc_card_detect_config();
 226                  if (ret)
 227                         dev_err(dev, "%s: Error card detect config(%d)\n",
 228                                 __func__, ret);
 229                  else
 230                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 231         }
 232         return ret;
 233 }
 234
 235 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 236 {
 237         struct omap_mmc_platform_data *pdata;
 238
 239         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 240         if (!dev) {
 241                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 242                 return;
 243         }
 244         pdata = dev->platform_data;
 245
 246         pdata->init =   omap4_twl6030_hsmmc_late_init;
 247 }
 248
 249 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 250 {
 251         struct omap2_hsmmc_info *c;
 252
 253         omap2_hsmmc_init(controllers);
 254         for (c = controllers; c->mmc; c++)
 255                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 256
 257         return 0;
 258 }
 259
 260 /* Panda board uses the common PMIC configuration */
 261 static struct twl4030_platform_data omap4_panda_twldata;
 262
 263 /*
 264  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 265  * is connected as I2C slave device, and can be accessed at address 0x50
 266  */
 267 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 268         {
 269                 I2C_BOARD_INFO("eeprom", 0x50),
 270         },
 271 };
 272
 273 static int __init omap4_panda_i2c_init(void)
 274 {
 275         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
 276                         TWL_COMMON_REGULATOR_VDAC |
 277                         TWL_COMMON_REGULATOR_VAUX2 |
 278                         TWL_COMMON_REGULATOR_VAUX3 |
 279                         TWL_COMMON_REGULATOR_VMMC |
 280                         TWL_COMMON_REGULATOR_VPP |
 281                         TWL_COMMON_REGULATOR_VANA |
 282                         TWL_COMMON_REGULATOR_VCXIO |
 283                         TWL_COMMON_REGULATOR_VUSB |
 284                         TWL_COMMON_REGULATOR_CLK32KG);
 285         omap4_pmic_init("twl6030", &omap4_panda_twldata);
 286         omap_register_i2c_bus(2, 400, NULL, 0);
 287         /*
 288          * Bus 3 is attached to the DVI port where devices like the pico DLP
 289          * projector don't work reliably with 400kHz
 290          */
 291         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 292                                         ARRAY_SIZE(panda_i2c_eeprom));
 293         omap_register_i2c_bus(4, 400, NULL, 0);
 294         return 0;
 295 }
 296
 297 #ifdef CONFIG_OMAP_MUX
 298 static struct omap_board_mux board_mux[] __initdata = {
 299         /* WLAN IRQ - GPIO 53 */
 300         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 301         /* WLAN POWER ENABLE - GPIO 43 */
 302         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 303         /* WLAN SDIO: MMC5 CMD */
 304         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 305         /* WLAN SDIO: MMC5 CLK */
 306         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 307         /* WLAN SDIO: MMC5 DAT[0-3] */
 308         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 309         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 310         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 311         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 312         /* gpio 0 - TFP410 PD */
 313         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 314         /* dispc2_data23 */
 315         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 316         /* dispc2_data22 */
 317         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 318         /* dispc2_data21 */
 319         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 320         /* dispc2_data20 */
 321         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 322         /* dispc2_data19 */
 323         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 324         /* dispc2_data18 */
 325         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 326         /* dispc2_data15 */
 327         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 328         /* dispc2_data14 */
 329         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 330         /* dispc2_data13 */
 331         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 332         /* dispc2_data12 */
 333         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 334         /* dispc2_data11 */
 335         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 336         /* dispc2_data10 */
 337         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 338         /* dispc2_data9 */
 339         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 340         /* dispc2_data16 */
 341         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 342         /* dispc2_data17 */
 343         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 344         /* dispc2_hsync */
 345         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 346         /* dispc2_pclk */
 347         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 348         /* dispc2_vsync */
 349         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 350         /* dispc2_de */
 351         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 352         /* dispc2_data8 */
 353         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 354         /* dispc2_data7 */
 355         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 356         /* dispc2_data6 */
 357         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 358         /* dispc2_data5 */
 359         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 360         /* dispc2_data4 */
 361         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 362         /* dispc2_data3 */
 363         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 364         /* dispc2_data2 */
 365         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 366         /* dispc2_data1 */
 367         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 368         /* dispc2_data0 */
 369         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 370         { .reg_offset = OMAP_MUX_TERMINATOR },
 371 };
 372
 373 static struct omap_device_pad serial2_pads[] __initdata = {
 374         OMAP_MUX_STATIC("uart2_cts.uart2_cts",
 375                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 376         OMAP_MUX_STATIC("uart2_rts.uart2_rts",
 377                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 378         OMAP_MUX_STATIC("uart2_rx.uart2_rx",
 379                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 380         OMAP_MUX_STATIC("uart2_tx.uart2_tx",
 381                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 382 };
 383
 384 static struct omap_device_pad serial3_pads[] __initdata = {
 385         OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
 386                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 387         OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
 388                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 389         OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
 390                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 391         OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
 392                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 393 };
 394
 395 static struct omap_device_pad serial4_pads[] __initdata = {
 396         OMAP_MUX_STATIC("uart4_rx.uart4_rx",
 397                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 398         OMAP_MUX_STATIC("uart4_tx.uart4_tx",
 399                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 400 };
 401
 402 static struct omap_board_data serial2_data __initdata = {
 403         .id             = 1,
 404         .pads           = serial2_pads,
 405         .pads_cnt       = ARRAY_SIZE(serial2_pads),
 406 };
 407
 408 static struct omap_board_data serial3_data __initdata = {
 409         .id             = 2,
 410         .pads           = serial3_pads,
 411         .pads_cnt       = ARRAY_SIZE(serial3_pads),
 412 };
 413
 414 static struct omap_board_data serial4_data __initdata = {
 415         .id             = 3,
 416         .pads           = serial4_pads,
 417         .pads_cnt       = ARRAY_SIZE(serial4_pads),
 418 };
 419
 420 static inline void board_serial_init(void)
 421 {
 422         struct omap_board_data bdata;
 423         bdata.flags     = 0;
 424         bdata.pads      = NULL;
 425         bdata.pads_cnt  = 0;
 426         bdata.id        = 0;
 427         /* pass dummy data for UART1 */
 428         omap_serial_init_port(&bdata);
 429
 430         omap_serial_init_port(&serial2_data);
 431         omap_serial_init_port(&serial3_data);
 432         omap_serial_init_port(&serial4_data);
 433 }
 434 #else
 435 #define board_mux       NULL
 436
 437 static inline void board_serial_init(void)
 438 {
 439         omap_serial_init();
 440 }
 441 #endif
 442
 443 /* Display DVI */
 444 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
 445
 446 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
 447 {
 448         gpio_set_value(dssdev->reset_gpio, 1);
 449         return 0;
 450 }
 451
 452 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
 453 {
 454         gpio_set_value(dssdev->reset_gpio, 0);
 455 }
 456
 457 /* Using generic display panel */
 458 static struct panel_generic_dpi_data omap4_dvi_panel = {
 459         .name                   = "generic",
 460         .platform_enable        = omap4_panda_enable_dvi,
 461         .platform_disable       = omap4_panda_disable_dvi,
 462 };
 463
 464 struct omap_dss_device omap4_panda_dvi_device = {
 465         .type                   = OMAP_DISPLAY_TYPE_DPI,
 466         .name                   = "dvi",
 467         .driver_name            = "generic_dpi_panel",
 468         .data                   = &omap4_dvi_panel,
 469         .phy.dpi.data_lines     = 24,
 470         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 471         .channel                = OMAP_DSS_CHANNEL_LCD2,
 472 };
 473
 474 int __init omap4_panda_dvi_init(void)
 475 {
 476         int r;
 477
 478         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
 479         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
 480                                 GPIOF_OUT_INIT_LOW, "DVI PD");
 481         if (r)
 482                 pr_err("Failed to get DVI powerdown GPIO\n");
 483
 484         return r;
 485 }
 486
 487
 488 static void omap4_panda_hdmi_mux_init(void)
 489 {
 490         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 491         omap_mux_init_signal("hdmi_hpd",
 492                         OMAP_PIN_INPUT_PULLUP);
 493         omap_mux_init_signal("hdmi_cec",
 494                         OMAP_PIN_INPUT_PULLUP);
 495         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 496         omap_mux_init_signal("hdmi_ddc_scl",
 497                         OMAP_PIN_INPUT_PULLUP);
 498         omap_mux_init_signal("hdmi_ddc_sda",
 499                         OMAP_PIN_INPUT_PULLUP);
 500 }
 501
 502 static struct gpio panda_hdmi_gpios[] = {
 503         { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
 504         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
 505 };
 506
 507 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 508 {
 509         int status;
 510
 511         status = gpio_request_array(panda_hdmi_gpios,
 512                                     ARRAY_SIZE(panda_hdmi_gpios));
 513         if (status)
 514                 pr_err("Cannot request HDMI GPIOs\n");
 515
 516         return status;
 517 }
 518
 519 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 520 {
 521         gpio_free(HDMI_GPIO_LS_OE);
 522         gpio_free(HDMI_GPIO_HPD);
 523 }
 524
 525 static struct omap_dss_device  omap4_panda_hdmi_device = {
 526         .name = "hdmi",
 527         .driver_name = "hdmi_panel",
 528         .type = OMAP_DISPLAY_TYPE_HDMI,
 529         .platform_enable = omap4_panda_panel_enable_hdmi,
 530         .platform_disable = omap4_panda_panel_disable_hdmi,
 531         .channel = OMAP_DSS_CHANNEL_DIGIT,
 532 };
 533
 534 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 535         &omap4_panda_dvi_device,
 536         &omap4_panda_hdmi_device,
 537 };
 538
 539 static struct omap_dss_board_info omap4_panda_dss_data = {
 540         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 541         .devices        = omap4_panda_dss_devices,
 542         .default_device = &omap4_panda_dvi_device,
 543 };
 544
 545 void omap4_panda_display_init(void)
 546 {
 547         int r;
 548
 549         r = omap4_panda_dvi_init();
 550         if (r)
 551                 pr_err("error initializing panda DVI\n");
 552
 553         omap4_panda_hdmi_mux_init();
 554         omap_display_init(&omap4_panda_dss_data);
 555 }
 556
 557 static void __init omap4_panda_init(void)
 558 {
 559         int package = OMAP_PACKAGE_CBS;
 560
 561         if (omap_rev() == OMAP4430_REV_ES1_0)
 562                 package = OMAP_PACKAGE_CBL;
 563         omap4_mux_init(board_mux, NULL, package);
 564
 565         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 566                 pr_err("error setting wl12xx data\n");
 567
 568         omap4_panda_i2c_init();
 569         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 570         platform_device_register(&omap_vwlan_device);
 571         board_serial_init();
 572         omap4_twl6030_hsmmc_init(mmc);
 573         omap4_ehci_init();
 574         usb_musb_init(&musb_board_data);
 575         omap4_panda_display_init();
 576 }
 577
 578 static void __init omap4_panda_map_io(void)
 579 {
 580         omap2_set_globals_443x();
 581         omap44xx_map_common_io();
 582 }
 583
 584 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 585         /* Maintainer: David Anders - Texas Instruments Inc */
 586         .boot_params    = 0x80000100,
 587         .reserve        = omap_reserve,
 588         .map_io         = omap4_panda_map_io,
 589         .init_early     = omap4_panda_init_early,
 590         .init_irq       = gic_init_irq,
 591         .init_machine   = omap4_panda_init,
 592         .timer          = &omap4_timer,
 593 MACHINE_END