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
  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 void __init omap4_ehci_init(void)
 115 {
 116         int ret;
 117         struct clk *phy_ref_clk;
 118
 119         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 120         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 121         if (IS_ERR(phy_ref_clk)) {
 122                 pr_err("Cannot request auxclk3\n");
 123                 goto error1;
 124         }
 125         clk_set_rate(phy_ref_clk, 19200000);
 126         clk_enable(phy_ref_clk);
 127
 128         /* disable the power to the usb hub prior to init */
 129         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
 130         if (ret) {
 131                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
 132                 goto error1;
 133         }
 134         gpio_export(GPIO_HUB_POWER, 0);
 135         gpio_direction_output(GPIO_HUB_POWER, 0);
 136         gpio_set_value(GPIO_HUB_POWER, 0);
 137
 138         /* reset phy+hub */
 139         ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
 140         if (ret) {
 141                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
 142                 goto error2;
 143         }
 144         gpio_export(GPIO_HUB_NRESET, 0);
 145         gpio_direction_output(GPIO_HUB_NRESET, 0);
 146         gpio_set_value(GPIO_HUB_NRESET, 0);
 147         gpio_set_value(GPIO_HUB_NRESET, 1);
 148
 149         usbhs_init(&usbhs_bdata);
 150
 151         /* enable power to hub */
 152         gpio_set_value(GPIO_HUB_POWER, 1);
 153         return;
 154
 155 error2:
 156         gpio_free(GPIO_HUB_POWER);
 157 error1:
 158         pr_err("Unable to initialize EHCI power/reset\n");
 159         return;
 160
 161 }
 162
 163 static struct omap_musb_board_data musb_board_data = {
 164         .interface_type         = MUSB_INTERFACE_UTMI,
 165         .mode                   = MUSB_OTG,
 166         .power                  = 100,
 167 };
 168
 169 static struct twl4030_usb_data omap4_usbphy_data = {
 170         .phy_init       = omap4430_phy_init,
 171         .phy_exit       = omap4430_phy_exit,
 172         .phy_power      = omap4430_phy_power,
 173         .phy_set_clock  = omap4430_phy_set_clk,
 174         .phy_suspend    = omap4430_phy_suspend,
 175 };
 176
 177 static struct omap2_hsmmc_info mmc[] = {
 178         {
 179                 .mmc            = 1,
 180                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 181                 .gpio_wp        = -EINVAL,
 182                 .gpio_cd        = -EINVAL,
 183         },
 184         {
 185                 .name           = "wl1271",
 186                 .mmc            = 5,
 187                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 188                 .gpio_wp        = -EINVAL,
 189                 .gpio_cd        = -EINVAL,
 190                 .ocr_mask       = MMC_VDD_165_195,
 191                 .nonremovable   = true,
 192         },
 193         {}      /* Terminator */
 194 };
 195
 196 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 197         {
 198                 .supply = "vmmc",
 199                 .dev_name = "omap_hsmmc.0",
 200         },
 201 };
 202
 203 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
 204         .supply = "vmmc",
 205         .dev_name = "omap_hsmmc.4",
 206 };
 207
 208 static struct regulator_init_data panda_vmmc5 = {
 209         .constraints = {
 210                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 211         },
 212         .num_consumer_supplies = 1,
 213         .consumer_supplies = &omap4_panda_vmmc5_supply,
 214 };
 215
 216 static struct fixed_voltage_config panda_vwlan = {
 217         .supply_name = "vwl1271",
 218         .microvolts = 1800000, /* 1.8V */
 219         .gpio = GPIO_WIFI_PMENA,
 220         .startup_delay = 70000, /* 70msec */
 221         .enable_high = 1,
 222         .enabled_at_boot = 0,
 223         .init_data = &panda_vmmc5,
 224 };
 225
 226 static struct platform_device omap_vwlan_device = {
 227         .name           = "reg-fixed-voltage",
 228         .id             = 1,
 229         .dev = {
 230                 .platform_data = &panda_vwlan,
 231         },
 232 };
 233
 234 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 235         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 236         /* PANDA ref clock is 38.4 MHz */
 237         .board_ref_clock = 2,
 238 };
 239
 240 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 241 {
 242         int ret = 0;
 243         struct platform_device *pdev = container_of(dev,
 244                                 struct platform_device, dev);
 245         struct omap_mmc_platform_data *pdata = dev->platform_data;
 246
 247         if (!pdata) {
 248                 dev_err(dev, "%s: NULL platform data\n", __func__);
 249                 return -EINVAL;
 250         }
 251         /* Setting MMC1 Card detect Irq */
 252         if (pdev->id == 0) {
 253                 ret = twl6030_mmc_card_detect_config();
 254                  if (ret)
 255                         dev_err(dev, "%s: Error card detect config(%d)\n",
 256                                 __func__, ret);
 257                  else
 258                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 259         }
 260         return ret;
 261 }
 262
 263 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 264 {
 265         struct omap_mmc_platform_data *pdata;
 266
 267         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 268         if (!dev) {
 269                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 270                 return;
 271         }
 272         pdata = dev->platform_data;
 273
 274         pdata->init =   omap4_twl6030_hsmmc_late_init;
 275 }
 276
 277 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 278 {
 279         struct omap2_hsmmc_info *c;
 280
 281         omap2_hsmmc_init(controllers);
 282         for (c = controllers; c->mmc; c++)
 283                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 284
 285         return 0;
 286 }
 287
 288 static struct regulator_init_data omap4_panda_vaux2 = {
 289         .constraints = {
 290                 .min_uV                 = 1200000,
 291                 .max_uV                 = 2800000,
 292                 .apply_uV               = true,
 293                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 294                                         | REGULATOR_MODE_STANDBY,
 295                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 296                                         | REGULATOR_CHANGE_MODE
 297                                         | REGULATOR_CHANGE_STATUS,
 298         },
 299 };
 300
 301 static struct regulator_init_data omap4_panda_vaux3 = {
 302         .constraints = {
 303                 .min_uV                 = 1000000,
 304                 .max_uV                 = 3000000,
 305                 .apply_uV               = true,
 306                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 307                                         | REGULATOR_MODE_STANDBY,
 308                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 309                                         | REGULATOR_CHANGE_MODE
 310                                         | REGULATOR_CHANGE_STATUS,
 311         },
 312 };
 313
 314 /* VMMC1 for MMC1 card */
 315 static struct regulator_init_data omap4_panda_vmmc = {
 316         .constraints = {
 317                 .min_uV                 = 1200000,
 318                 .max_uV                 = 3000000,
 319                 .apply_uV               = true,
 320                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 321                                         | REGULATOR_MODE_STANDBY,
 322                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 323                                         | REGULATOR_CHANGE_MODE
 324                                         | REGULATOR_CHANGE_STATUS,
 325         },
 326         .num_consumer_supplies  = 1,
 327         .consumer_supplies      = omap4_panda_vmmc_supply,
 328 };
 329
 330 static struct regulator_init_data omap4_panda_vpp = {
 331         .constraints = {
 332                 .min_uV                 = 1800000,
 333                 .max_uV                 = 2500000,
 334                 .apply_uV               = true,
 335                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 336                                         | REGULATOR_MODE_STANDBY,
 337                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 338                                         | REGULATOR_CHANGE_MODE
 339                                         | REGULATOR_CHANGE_STATUS,
 340         },
 341 };
 342
 343 static struct regulator_init_data omap4_panda_vana = {
 344         .constraints = {
 345                 .min_uV                 = 2100000,
 346                 .max_uV                 = 2100000,
 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_vcxio = {
 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_vdac = {
 366         .constraints = {
 367                 .min_uV                 = 1800000,
 368                 .max_uV                 = 1800000,
 369                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 370                                         | REGULATOR_MODE_STANDBY,
 371                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 372                                         | REGULATOR_CHANGE_STATUS,
 373         },
 374 };
 375
 376 static struct regulator_init_data omap4_panda_vusb = {
 377         .constraints = {
 378                 .min_uV                 = 3300000,
 379                 .max_uV                 = 3300000,
 380                 .apply_uV               = true,
 381                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 382                                         | REGULATOR_MODE_STANDBY,
 383                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 384                                         | REGULATOR_CHANGE_STATUS,
 385         },
 386 };
 387
 388 static struct regulator_init_data omap4_panda_clk32kg = {
 389         .constraints = {
 390                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 391         },
 392 };
 393
 394 static struct twl4030_platform_data omap4_panda_twldata = {
 395         .irq_base       = TWL6030_IRQ_BASE,
 396         .irq_end        = TWL6030_IRQ_END,
 397
 398         /* Regulators */
 399         .vmmc           = &omap4_panda_vmmc,
 400         .vpp            = &omap4_panda_vpp,
 401         .vana           = &omap4_panda_vana,
 402         .vcxio          = &omap4_panda_vcxio,
 403         .vdac           = &omap4_panda_vdac,
 404         .vusb           = &omap4_panda_vusb,
 405         .vaux2          = &omap4_panda_vaux2,
 406         .vaux3          = &omap4_panda_vaux3,
 407         .clk32kg        = &omap4_panda_clk32kg,
 408         .usb            = &omap4_usbphy_data,
 409 };
 410
 411 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 412         {
 413                 I2C_BOARD_INFO("twl6030", 0x48),
 414                 .flags = I2C_CLIENT_WAKE,
 415                 .irq = OMAP44XX_IRQ_SYS_1N,
 416                 .platform_data = &omap4_panda_twldata,
 417         },
 418 };
 419
 420 /*
 421  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 422  * is connected as I2C slave device, and can be accessed at address 0x50
 423  */
 424 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 425         {
 426                 I2C_BOARD_INFO("eeprom", 0x50),
 427         },
 428 };
 429
 430 static int __init omap4_panda_i2c_init(void)
 431 {
 432         /*
 433          * Phoenix Audio IC needs I2C1 to
 434          * start with 400 KHz or less
 435          */
 436         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 437                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 438         omap_register_i2c_bus(2, 400, NULL, 0);
 439         /*
 440          * Bus 3 is attached to the DVI port where devices like the pico DLP
 441          * projector don't work reliably with 400kHz
 442          */
 443         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 444                                         ARRAY_SIZE(panda_i2c_eeprom));
 445         omap_register_i2c_bus(4, 400, NULL, 0);
 446         return 0;
 447 }
 448
 449 #ifdef CONFIG_OMAP_MUX
 450 static struct omap_board_mux board_mux[] __initdata = {
 451         /* WLAN IRQ - GPIO 53 */
 452         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 453         /* WLAN POWER ENABLE - GPIO 43 */
 454         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 455         /* WLAN SDIO: MMC5 CMD */
 456         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 457         /* WLAN SDIO: MMC5 CLK */
 458         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 459         /* WLAN SDIO: MMC5 DAT[0-3] */
 460         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 461         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 462         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 463         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 464         /* gpio 0 - TFP410 PD */
 465         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 466         /* dispc2_data23 */
 467         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 468         /* dispc2_data22 */
 469         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 470         /* dispc2_data21 */
 471         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 472         /* dispc2_data20 */
 473         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 474         /* dispc2_data19 */
 475         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 476         /* dispc2_data18 */
 477         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 478         /* dispc2_data15 */
 479         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 480         /* dispc2_data14 */
 481         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 482         /* dispc2_data13 */
 483         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 484         /* dispc2_data12 */
 485         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 486         /* dispc2_data11 */
 487         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 488         /* dispc2_data10 */
 489         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 490         /* dispc2_data9 */
 491         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 492         /* dispc2_data16 */
 493         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 494         /* dispc2_data17 */
 495         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 496         /* dispc2_hsync */
 497         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 498         /* dispc2_pclk */
 499         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 500         /* dispc2_vsync */
 501         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 502         /* dispc2_de */
 503         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 504         /* dispc2_data8 */
 505         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 506         /* dispc2_data7 */
 507         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 508         /* dispc2_data6 */
 509         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 510         /* dispc2_data5 */
 511         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 512         /* dispc2_data4 */
 513         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 514         /* dispc2_data3 */
 515         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 516         /* dispc2_data2 */
 517         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 518         /* dispc2_data1 */
 519         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 520         /* dispc2_data0 */
 521         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 522         { .reg_offset = OMAP_MUX_TERMINATOR },
 523 };
 524
 525 static struct omap_device_pad serial2_pads[] __initdata = {
 526         OMAP_MUX_STATIC("uart2_cts.uart2_cts",
 527                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 528         OMAP_MUX_STATIC("uart2_rts.uart2_rts",
 529                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 530         OMAP_MUX_STATIC("uart2_rx.uart2_rx",
 531                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 532         OMAP_MUX_STATIC("uart2_tx.uart2_tx",
 533                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 534 };
 535
 536 static struct omap_device_pad serial3_pads[] __initdata = {
 537         OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
 538                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 539         OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
 540                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 541         OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
 542                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 543         OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
 544                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 545 };
 546
 547 static struct omap_device_pad serial4_pads[] __initdata = {
 548         OMAP_MUX_STATIC("uart4_rx.uart4_rx",
 549                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 550         OMAP_MUX_STATIC("uart4_tx.uart4_tx",
 551                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 552 };
 553
 554 static struct omap_board_data serial2_data = {
 555         .id             = 1,
 556         .pads           = serial2_pads,
 557         .pads_cnt       = ARRAY_SIZE(serial2_pads),
 558 };
 559
 560 static struct omap_board_data serial3_data = {
 561         .id             = 2,
 562         .pads           = serial3_pads,
 563         .pads_cnt       = ARRAY_SIZE(serial3_pads),
 564 };
 565
 566 static struct omap_board_data serial4_data = {
 567         .id             = 3,
 568         .pads           = serial4_pads,
 569         .pads_cnt       = ARRAY_SIZE(serial4_pads),
 570 };
 571
 572 static inline void board_serial_init(void)
 573 {
 574         struct omap_board_data bdata;
 575         bdata.flags     = 0;
 576         bdata.pads      = NULL;
 577         bdata.pads_cnt  = 0;
 578         bdata.id        = 0;
 579         /* pass dummy data for UART1 */
 580         omap_serial_init_port(&bdata);
 581
 582         omap_serial_init_port(&serial2_data);
 583         omap_serial_init_port(&serial3_data);
 584         omap_serial_init_port(&serial4_data);
 585 }
 586 #else
 587 #define board_mux       NULL
 588
 589 static inline void board_serial_init(void)
 590 {
 591         omap_serial_init();
 592 }
 593 #endif
 594
 595 /* Display DVI */
 596 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
 597
 598 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
 599 {
 600         gpio_set_value(dssdev->reset_gpio, 1);
 601         return 0;
 602 }
 603
 604 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
 605 {
 606         gpio_set_value(dssdev->reset_gpio, 0);
 607 }
 608
 609 /* Using generic display panel */
 610 static struct panel_generic_dpi_data omap4_dvi_panel = {
 611         .name                   = "generic",
 612         .platform_enable        = omap4_panda_enable_dvi,
 613         .platform_disable       = omap4_panda_disable_dvi,
 614 };
 615
 616 struct omap_dss_device omap4_panda_dvi_device = {
 617         .type                   = OMAP_DISPLAY_TYPE_DPI,
 618         .name                   = "dvi",
 619         .driver_name            = "generic_dpi_panel",
 620         .data                   = &omap4_dvi_panel,
 621         .phy.dpi.data_lines     = 24,
 622         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 623         .channel                = OMAP_DSS_CHANNEL_LCD2,
 624 };
 625
 626 int __init omap4_panda_dvi_init(void)
 627 {
 628         int r;
 629
 630         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
 631         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
 632                                 GPIOF_OUT_INIT_LOW, "DVI PD");
 633         if (r)
 634                 pr_err("Failed to get DVI powerdown GPIO\n");
 635
 636         return r;
 637 }
 638
 639
 640 static void omap4_panda_hdmi_mux_init(void)
 641 {
 642         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 643         omap_mux_init_signal("hdmi_hpd",
 644                         OMAP_PIN_INPUT_PULLUP);
 645         omap_mux_init_signal("hdmi_cec",
 646                         OMAP_PIN_INPUT_PULLUP);
 647         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 648         omap_mux_init_signal("hdmi_ddc_scl",
 649                         OMAP_PIN_INPUT_PULLUP);
 650         omap_mux_init_signal("hdmi_ddc_sda",
 651                         OMAP_PIN_INPUT_PULLUP);
 652 }
 653
 654 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 655 {
 656         int status;
 657
 658         status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
 659                                                         "hdmi_gpio_hpd");
 660         if (status) {
 661                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
 662                 return status;
 663         }
 664         status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
 665                                                         "hdmi_gpio_ls_oe");
 666         if (status) {
 667                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
 668                 goto error1;
 669         }
 670
 671         return 0;
 672
 673 error1:
 674         gpio_free(HDMI_GPIO_HPD);
 675
 676         return status;
 677 }
 678
 679 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 680 {
 681         gpio_free(HDMI_GPIO_LS_OE);
 682         gpio_free(HDMI_GPIO_HPD);
 683 }
 684
 685 static struct omap_dss_device  omap4_panda_hdmi_device = {
 686         .name = "hdmi",
 687         .driver_name = "hdmi_panel",
 688         .type = OMAP_DISPLAY_TYPE_HDMI,
 689         .platform_enable = omap4_panda_panel_enable_hdmi,
 690         .platform_disable = omap4_panda_panel_disable_hdmi,
 691         .channel = OMAP_DSS_CHANNEL_DIGIT,
 692 };
 693
 694 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 695         &omap4_panda_dvi_device,
 696         &omap4_panda_hdmi_device,
 697 };
 698
 699 static struct omap_dss_board_info omap4_panda_dss_data = {
 700         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 701         .devices        = omap4_panda_dss_devices,
 702         .default_device = &omap4_panda_dvi_device,
 703 };
 704
 705 void omap4_panda_display_init(void)
 706 {
 707         int r;
 708
 709         r = omap4_panda_dvi_init();
 710         if (r)
 711                 pr_err("error initializing panda DVI\n");
 712
 713         omap4_panda_hdmi_mux_init();
 714         omap_display_init(&omap4_panda_dss_data);
 715 }
 716
 717 static void __init omap4_panda_init(void)
 718 {
 719         int package = OMAP_PACKAGE_CBS;
 720
 721         if (omap_rev() == OMAP4430_REV_ES1_0)
 722                 package = OMAP_PACKAGE_CBL;
 723         omap4_mux_init(board_mux, package);
 724
 725         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 726                 pr_err("error setting wl12xx data\n");
 727
 728         omap4_panda_i2c_init();
 729         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 730         platform_device_register(&omap_vwlan_device);
 731         board_serial_init();
 732         omap4_twl6030_hsmmc_init(mmc);
 733         omap4_ehci_init();
 734         usb_musb_init(&musb_board_data);
 735         omap4_panda_display_init();
 736 }
 737
 738 static void __init omap4_panda_map_io(void)
 739 {
 740         omap2_set_globals_443x();
 741         omap44xx_map_common_io();
 742 }
 743
 744 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 745         /* Maintainer: David Anders - Texas Instruments Inc */
 746         .boot_params    = 0x80000100,
 747         .reserve        = omap_reserve,
 748         .map_io         = omap4_panda_map_io,
 749         .init_early     = omap4_panda_init_early,
 750         .init_irq       = gic_init_irq,
 751         .init_machine   = omap4_panda_init,
 752         .timer          = &omap_timer,
 753 MACHINE_END