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 #include "timer-gp.h"
  45
  46 #include "hsmmc.h"
  47 #include "control.h"
  48 #include "mux.h"
  49 #include "common-board-devices.h"
  50
  51 #define GPIO_HUB_POWER          1
  52 #define GPIO_HUB_NRESET         62
  53 #define GPIO_WIFI_PMENA         43
  54 #define GPIO_WIFI_IRQ           53
  55 #define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
  56 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
  57
  58 /* wl127x BT, FM, GPS connectivity chip */
  59 static int wl1271_gpios[] = {46, -1, -1};
  60 static struct platform_device wl1271_device = {
  61         .name   = "kim",
  62         .id     = -1,
  63         .dev    = {
  64                 .platform_data  = &wl1271_gpios,
  65         },
  66 };
  67
  68 static struct gpio_led gpio_leds[] = {
  69         {
  70                 .name                   = "pandaboard::status1",
  71                 .default_trigger        = "heartbeat",
  72                 .gpio                   = 7,
  73         },
  74         {
  75                 .name                   = "pandaboard::status2",
  76                 .default_trigger        = "mmc0",
  77                 .gpio                   = 8,
  78         },
  79 };
  80
  81 static struct gpio_led_platform_data gpio_led_info = {
  82         .leds           = gpio_leds,
  83         .num_leds       = ARRAY_SIZE(gpio_leds),
  84 };
  85
  86 static struct platform_device leds_gpio = {
  87         .name   = "leds-gpio",
  88         .id     = -1,
  89         .dev    = {
  90                 .platform_data  = &gpio_led_info,
  91         },
  92 };
  93
  94 static struct platform_device *panda_devices[] __initdata = {
  95         &leds_gpio,
  96         &wl1271_device,
  97 };
  98
  99 static void __init omap4_panda_init_early(void)
 100 {
 101         omap2_init_common_infrastructure();
 102         omap2_init_common_devices(NULL, NULL);
 103 }
 104
 105 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 106         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 107         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 108         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 109         .phy_reset  = false,
 110         .reset_gpio_port[0]  = -EINVAL,
 111         .reset_gpio_port[1]  = -EINVAL,
 112         .reset_gpio_port[2]  = -EINVAL
 113 };
 114
 115 static struct gpio panda_ehci_gpios[] __initdata = {
 116         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
 117         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
 118 };
 119
 120 static void __init omap4_ehci_init(void)
 121 {
 122         int ret;
 123         struct clk *phy_ref_clk;
 124
 125         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 126         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 127         if (IS_ERR(phy_ref_clk)) {
 128                 pr_err("Cannot request auxclk3\n");
 129                 return;
 130         }
 131         clk_set_rate(phy_ref_clk, 19200000);
 132         clk_enable(phy_ref_clk);
 133
 134         /* disable the power to the usb hub prior to init and reset phy+hub */
 135         ret = gpio_request_array(panda_ehci_gpios,
 136                                  ARRAY_SIZE(panda_ehci_gpios));
 137         if (ret) {
 138                 pr_err("Unable to initialize EHCI power/reset\n");
 139                 return;
 140         }
 141
 142         gpio_export(GPIO_HUB_POWER, 0);
 143         gpio_export(GPIO_HUB_NRESET, 0);
 144         gpio_set_value(GPIO_HUB_NRESET, 1);
 145
 146         usbhs_init(&usbhs_bdata);
 147
 148         /* enable power to hub */
 149         gpio_set_value(GPIO_HUB_POWER, 1);
 150 }
 151
 152 static struct omap_musb_board_data musb_board_data = {
 153         .interface_type         = MUSB_INTERFACE_UTMI,
 154         .mode                   = MUSB_OTG,
 155         .power                  = 100,
 156 };
 157
 158 static struct twl4030_usb_data omap4_usbphy_data = {
 159         .phy_init       = omap4430_phy_init,
 160         .phy_exit       = omap4430_phy_exit,
 161         .phy_power      = omap4430_phy_power,
 162         .phy_set_clock  = omap4430_phy_set_clk,
 163         .phy_suspend    = omap4430_phy_suspend,
 164 };
 165
 166 static struct omap2_hsmmc_info mmc[] = {
 167         {
 168                 .mmc            = 1,
 169                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 170                 .gpio_wp        = -EINVAL,
 171                 .gpio_cd        = -EINVAL,
 172         },
 173         {
 174                 .name           = "wl1271",
 175                 .mmc            = 5,
 176                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 177                 .gpio_wp        = -EINVAL,
 178                 .gpio_cd        = -EINVAL,
 179                 .ocr_mask       = MMC_VDD_165_195,
 180                 .nonremovable   = true,
 181         },
 182         {}      /* Terminator */
 183 };
 184
 185 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 186         {
 187                 .supply = "vmmc",
 188                 .dev_name = "omap_hsmmc.0",
 189         },
 190 };
 191
 192 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
 193         .supply = "vmmc",
 194         .dev_name = "omap_hsmmc.4",
 195 };
 196
 197 static struct regulator_init_data panda_vmmc5 = {
 198         .constraints = {
 199                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 200         },
 201         .num_consumer_supplies = 1,
 202         .consumer_supplies = &omap4_panda_vmmc5_supply,
 203 };
 204
 205 static struct fixed_voltage_config panda_vwlan = {
 206         .supply_name = "vwl1271",
 207         .microvolts = 1800000, /* 1.8V */
 208         .gpio = GPIO_WIFI_PMENA,
 209         .startup_delay = 70000, /* 70msec */
 210         .enable_high = 1,
 211         .enabled_at_boot = 0,
 212         .init_data = &panda_vmmc5,
 213 };
 214
 215 static struct platform_device omap_vwlan_device = {
 216         .name           = "reg-fixed-voltage",
 217         .id             = 1,
 218         .dev = {
 219                 .platform_data = &panda_vwlan,
 220         },
 221 };
 222
 223 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 224         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 225         /* PANDA ref clock is 38.4 MHz */
 226         .board_ref_clock = 2,
 227 };
 228
 229 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 230 {
 231         int ret = 0;
 232         struct platform_device *pdev = container_of(dev,
 233                                 struct platform_device, dev);
 234         struct omap_mmc_platform_data *pdata = dev->platform_data;
 235
 236         if (!pdata) {
 237                 dev_err(dev, "%s: NULL platform data\n", __func__);
 238                 return -EINVAL;
 239         }
 240         /* Setting MMC1 Card detect Irq */
 241         if (pdev->id == 0) {
 242                 ret = twl6030_mmc_card_detect_config();
 243                  if (ret)
 244                         dev_err(dev, "%s: Error card detect config(%d)\n",
 245                                 __func__, ret);
 246                  else
 247                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 248         }
 249         return ret;
 250 }
 251
 252 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 253 {
 254         struct omap_mmc_platform_data *pdata;
 255
 256         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 257         if (!dev) {
 258                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 259                 return;
 260         }
 261         pdata = dev->platform_data;
 262
 263         pdata->init =   omap4_twl6030_hsmmc_late_init;
 264 }
 265
 266 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 267 {
 268         struct omap2_hsmmc_info *c;
 269
 270         omap2_hsmmc_init(controllers);
 271         for (c = controllers; c->mmc; c++)
 272                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 273
 274         return 0;
 275 }
 276
 277 static struct regulator_init_data omap4_panda_vaux2 = {
 278         .constraints = {
 279                 .min_uV                 = 1200000,
 280                 .max_uV                 = 2800000,
 281                 .apply_uV               = true,
 282                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 283                                         | REGULATOR_MODE_STANDBY,
 284                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 285                                         | REGULATOR_CHANGE_MODE
 286                                         | REGULATOR_CHANGE_STATUS,
 287         },
 288 };
 289
 290 static struct regulator_init_data omap4_panda_vaux3 = {
 291         .constraints = {
 292                 .min_uV                 = 1000000,
 293                 .max_uV                 = 3000000,
 294                 .apply_uV               = true,
 295                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 296                                         | REGULATOR_MODE_STANDBY,
 297                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 298                                         | REGULATOR_CHANGE_MODE
 299                                         | REGULATOR_CHANGE_STATUS,
 300         },
 301 };
 302
 303 /* VMMC1 for MMC1 card */
 304 static struct regulator_init_data omap4_panda_vmmc = {
 305         .constraints = {
 306                 .min_uV                 = 1200000,
 307                 .max_uV                 = 3000000,
 308                 .apply_uV               = true,
 309                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 310                                         | REGULATOR_MODE_STANDBY,
 311                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 312                                         | REGULATOR_CHANGE_MODE
 313                                         | REGULATOR_CHANGE_STATUS,
 314         },
 315         .num_consumer_supplies  = 1,
 316         .consumer_supplies      = omap4_panda_vmmc_supply,
 317 };
 318
 319 static struct regulator_init_data omap4_panda_vpp = {
 320         .constraints = {
 321                 .min_uV                 = 1800000,
 322                 .max_uV                 = 2500000,
 323                 .apply_uV               = true,
 324                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 325                                         | REGULATOR_MODE_STANDBY,
 326                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 327                                         | REGULATOR_CHANGE_MODE
 328                                         | REGULATOR_CHANGE_STATUS,
 329         },
 330 };
 331
 332 static struct regulator_init_data omap4_panda_vana = {
 333         .constraints = {
 334                 .min_uV                 = 2100000,
 335                 .max_uV                 = 2100000,
 336                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 337                                         | REGULATOR_MODE_STANDBY,
 338                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 339                                         | REGULATOR_CHANGE_STATUS,
 340         },
 341 };
 342
 343 static struct regulator_init_data omap4_panda_vcxio = {
 344         .constraints = {
 345                 .min_uV                 = 1800000,
 346                 .max_uV                 = 1800000,
 347                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 348                                         | REGULATOR_MODE_STANDBY,
 349                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 350                                         | REGULATOR_CHANGE_STATUS,
 351         },
 352 };
 353
 354 static struct regulator_init_data omap4_panda_vdac = {
 355         .constraints = {
 356                 .min_uV                 = 1800000,
 357                 .max_uV                 = 1800000,
 358                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 359                                         | REGULATOR_MODE_STANDBY,
 360                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 361                                         | REGULATOR_CHANGE_STATUS,
 362         },
 363 };
 364
 365 static struct regulator_init_data omap4_panda_vusb = {
 366         .constraints = {
 367                 .min_uV                 = 3300000,
 368                 .max_uV                 = 3300000,
 369                 .apply_uV               = true,
 370                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 371                                         | REGULATOR_MODE_STANDBY,
 372                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 373                                         | REGULATOR_CHANGE_STATUS,
 374         },
 375 };
 376
 377 static struct regulator_init_data omap4_panda_clk32kg = {
 378         .constraints = {
 379                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 380         },
 381 };
 382
 383 static struct twl4030_platform_data omap4_panda_twldata = {
 384         .irq_base       = TWL6030_IRQ_BASE,
 385         .irq_end        = TWL6030_IRQ_END,
 386
 387         /* Regulators */
 388         .vmmc           = &omap4_panda_vmmc,
 389         .vpp            = &omap4_panda_vpp,
 390         .vana           = &omap4_panda_vana,
 391         .vcxio          = &omap4_panda_vcxio,
 392         .vdac           = &omap4_panda_vdac,
 393         .vusb           = &omap4_panda_vusb,
 394         .vaux2          = &omap4_panda_vaux2,
 395         .vaux3          = &omap4_panda_vaux3,
 396         .clk32kg        = &omap4_panda_clk32kg,
 397         .usb            = &omap4_usbphy_data,
 398 };
 399
 400 /*
 401  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 402  * is connected as I2C slave device, and can be accessed at address 0x50
 403  */
 404 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 405         {
 406                 I2C_BOARD_INFO("eeprom", 0x50),
 407         },
 408 };
 409
 410 static int __init omap4_panda_i2c_init(void)
 411 {
 412         omap4_pmic_init("twl6030", &omap4_panda_twldata);
 413         omap_register_i2c_bus(2, 400, NULL, 0);
 414         /*
 415          * Bus 3 is attached to the DVI port where devices like the pico DLP
 416          * projector don't work reliably with 400kHz
 417          */
 418         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 419                                         ARRAY_SIZE(panda_i2c_eeprom));
 420         omap_register_i2c_bus(4, 400, NULL, 0);
 421         return 0;
 422 }
 423
 424 #ifdef CONFIG_OMAP_MUX
 425 static struct omap_board_mux board_mux[] __initdata = {
 426         /* WLAN IRQ - GPIO 53 */
 427         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 428         /* WLAN POWER ENABLE - GPIO 43 */
 429         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 430         /* WLAN SDIO: MMC5 CMD */
 431         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 432         /* WLAN SDIO: MMC5 CLK */
 433         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 434         /* WLAN SDIO: MMC5 DAT[0-3] */
 435         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 436         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 437         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 438         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 439         /* gpio 0 - TFP410 PD */
 440         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 441         /* dispc2_data23 */
 442         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 443         /* dispc2_data22 */
 444         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 445         /* dispc2_data21 */
 446         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 447         /* dispc2_data20 */
 448         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 449         /* dispc2_data19 */
 450         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 451         /* dispc2_data18 */
 452         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 453         /* dispc2_data15 */
 454         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 455         /* dispc2_data14 */
 456         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 457         /* dispc2_data13 */
 458         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 459         /* dispc2_data12 */
 460         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 461         /* dispc2_data11 */
 462         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 463         /* dispc2_data10 */
 464         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 465         /* dispc2_data9 */
 466         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 467         /* dispc2_data16 */
 468         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 469         /* dispc2_data17 */
 470         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 471         /* dispc2_hsync */
 472         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 473         /* dispc2_pclk */
 474         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 475         /* dispc2_vsync */
 476         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 477         /* dispc2_de */
 478         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 479         /* dispc2_data8 */
 480         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 481         /* dispc2_data7 */
 482         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 483         /* dispc2_data6 */
 484         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 485         /* dispc2_data5 */
 486         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 487         /* dispc2_data4 */
 488         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 489         /* dispc2_data3 */
 490         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 491         /* dispc2_data2 */
 492         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 493         /* dispc2_data1 */
 494         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 495         /* dispc2_data0 */
 496         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 497         { .reg_offset = OMAP_MUX_TERMINATOR },
 498 };
 499
 500 static struct omap_device_pad serial2_pads[] __initdata = {
 501         OMAP_MUX_STATIC("uart2_cts.uart2_cts",
 502                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 503         OMAP_MUX_STATIC("uart2_rts.uart2_rts",
 504                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 505         OMAP_MUX_STATIC("uart2_rx.uart2_rx",
 506                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 507         OMAP_MUX_STATIC("uart2_tx.uart2_tx",
 508                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 509 };
 510
 511 static struct omap_device_pad serial3_pads[] __initdata = {
 512         OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
 513                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 514         OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
 515                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 516         OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
 517                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 518         OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
 519                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 520 };
 521
 522 static struct omap_device_pad serial4_pads[] __initdata = {
 523         OMAP_MUX_STATIC("uart4_rx.uart4_rx",
 524                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 525         OMAP_MUX_STATIC("uart4_tx.uart4_tx",
 526                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 527 };
 528
 529 static struct omap_board_data serial2_data __initdata = {
 530         .id             = 1,
 531         .pads           = serial2_pads,
 532         .pads_cnt       = ARRAY_SIZE(serial2_pads),
 533 };
 534
 535 static struct omap_board_data serial3_data __initdata = {
 536         .id             = 2,
 537         .pads           = serial3_pads,
 538         .pads_cnt       = ARRAY_SIZE(serial3_pads),
 539 };
 540
 541 static struct omap_board_data serial4_data __initdata = {
 542         .id             = 3,
 543         .pads           = serial4_pads,
 544         .pads_cnt       = ARRAY_SIZE(serial4_pads),
 545 };
 546
 547 static inline void board_serial_init(void)
 548 {
 549         struct omap_board_data bdata;
 550         bdata.flags     = 0;
 551         bdata.pads      = NULL;
 552         bdata.pads_cnt  = 0;
 553         bdata.id        = 0;
 554         /* pass dummy data for UART1 */
 555         omap_serial_init_port(&bdata);
 556
 557         omap_serial_init_port(&serial2_data);
 558         omap_serial_init_port(&serial3_data);
 559         omap_serial_init_port(&serial4_data);
 560 }
 561 #else
 562 #define board_mux       NULL
 563
 564 static inline void board_serial_init(void)
 565 {
 566         omap_serial_init();
 567 }
 568 #endif
 569
 570 /* Display DVI */
 571 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
 572
 573 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
 574 {
 575         gpio_set_value(dssdev->reset_gpio, 1);
 576         return 0;
 577 }
 578
 579 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
 580 {
 581         gpio_set_value(dssdev->reset_gpio, 0);
 582 }
 583
 584 /* Using generic display panel */
 585 static struct panel_generic_dpi_data omap4_dvi_panel = {
 586         .name                   = "generic",
 587         .platform_enable        = omap4_panda_enable_dvi,
 588         .platform_disable       = omap4_panda_disable_dvi,
 589 };
 590
 591 struct omap_dss_device omap4_panda_dvi_device = {
 592         .type                   = OMAP_DISPLAY_TYPE_DPI,
 593         .name                   = "dvi",
 594         .driver_name            = "generic_dpi_panel",
 595         .data                   = &omap4_dvi_panel,
 596         .phy.dpi.data_lines     = 24,
 597         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 598         .channel                = OMAP_DSS_CHANNEL_LCD2,
 599 };
 600
 601 int __init omap4_panda_dvi_init(void)
 602 {
 603         int r;
 604
 605         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
 606         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
 607                                 GPIOF_OUT_INIT_LOW, "DVI PD");
 608         if (r)
 609                 pr_err("Failed to get DVI powerdown GPIO\n");
 610
 611         return r;
 612 }
 613
 614
 615 static void omap4_panda_hdmi_mux_init(void)
 616 {
 617         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 618         omap_mux_init_signal("hdmi_hpd",
 619                         OMAP_PIN_INPUT_PULLUP);
 620         omap_mux_init_signal("hdmi_cec",
 621                         OMAP_PIN_INPUT_PULLUP);
 622         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 623         omap_mux_init_signal("hdmi_ddc_scl",
 624                         OMAP_PIN_INPUT_PULLUP);
 625         omap_mux_init_signal("hdmi_ddc_sda",
 626                         OMAP_PIN_INPUT_PULLUP);
 627 }
 628
 629 static struct gpio panda_hdmi_gpios[] = {
 630         { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
 631         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
 632 };
 633
 634 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 635 {
 636         int status;
 637
 638         status = gpio_request_array(panda_hdmi_gpios,
 639                                     ARRAY_SIZE(panda_hdmi_gpios));
 640         if (status)
 641                 pr_err("Cannot request HDMI GPIOs\n");
 642
 643         return status;
 644 }
 645
 646 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 647 {
 648         gpio_free(HDMI_GPIO_LS_OE);
 649         gpio_free(HDMI_GPIO_HPD);
 650 }
 651
 652 static struct omap_dss_device  omap4_panda_hdmi_device = {
 653         .name = "hdmi",
 654         .driver_name = "hdmi_panel",
 655         .type = OMAP_DISPLAY_TYPE_HDMI,
 656         .platform_enable = omap4_panda_panel_enable_hdmi,
 657         .platform_disable = omap4_panda_panel_disable_hdmi,
 658         .channel = OMAP_DSS_CHANNEL_DIGIT,
 659 };
 660
 661 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 662         &omap4_panda_dvi_device,
 663         &omap4_panda_hdmi_device,
 664 };
 665
 666 static struct omap_dss_board_info omap4_panda_dss_data = {
 667         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 668         .devices        = omap4_panda_dss_devices,
 669         .default_device = &omap4_panda_dvi_device,
 670 };
 671
 672 void omap4_panda_display_init(void)
 673 {
 674         int r;
 675
 676         r = omap4_panda_dvi_init();
 677         if (r)
 678                 pr_err("error initializing panda DVI\n");
 679
 680         omap4_panda_hdmi_mux_init();
 681         omap_display_init(&omap4_panda_dss_data);
 682 }
 683
 684 static void __init omap4_panda_init(void)
 685 {
 686         int package = OMAP_PACKAGE_CBS;
 687
 688         if (omap_rev() == OMAP4430_REV_ES1_0)
 689                 package = OMAP_PACKAGE_CBL;
 690         omap4_mux_init(board_mux, package);
 691
 692         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 693                 pr_err("error setting wl12xx data\n");
 694
 695         omap4_panda_i2c_init();
 696         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 697         platform_device_register(&omap_vwlan_device);
 698         board_serial_init();
 699         omap4_twl6030_hsmmc_init(mmc);
 700         omap4_ehci_init();
 701         usb_musb_init(&musb_board_data);
 702         omap4_panda_display_init();
 703 }
 704
 705 static void __init omap4_panda_map_io(void)
 706 {
 707         omap2_set_globals_443x();
 708         omap44xx_map_common_io();
 709 }
 710
 711 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 712         /* Maintainer: David Anders - Texas Instruments Inc */
 713         .boot_params    = 0x80000100,
 714         .reserve        = omap_reserve,
 715         .map_io         = omap4_panda_map_io,
 716         .init_early     = omap4_panda_init_early,
 717         .init_irq       = gic_init_irq,
 718         .init_machine   = omap4_panda_init,
 719         .timer          = &omap_timer,
 720 MACHINE_END