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 twl4030_usb_data omap4_usbphy_data = {
 158         .phy_init       = omap4430_phy_init,
 159         .phy_exit       = omap4430_phy_exit,
 160         .phy_power      = omap4430_phy_power,
 161         .phy_set_clock  = omap4430_phy_set_clk,
 162         .phy_suspend    = omap4430_phy_suspend,
 163 };
 164
 165 static struct omap2_hsmmc_info mmc[] = {
 166         {
 167                 .mmc            = 1,
 168                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 169                 .gpio_wp        = -EINVAL,
 170                 .gpio_cd        = -EINVAL,
 171         },
 172         {
 173                 .name           = "wl1271",
 174                 .mmc            = 5,
 175                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 176                 .gpio_wp        = -EINVAL,
 177                 .gpio_cd        = -EINVAL,
 178                 .ocr_mask       = MMC_VDD_165_195,
 179                 .nonremovable   = true,
 180         },
 181         {}      /* Terminator */
 182 };
 183
 184 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 185         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
 186 };
 187
 188 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
 189         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
 190 };
 191
 192 static struct regulator_init_data panda_vmmc5 = {
 193         .constraints = {
 194                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 195         },
 196         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
 197         .consumer_supplies = omap4_panda_vmmc5_supply,
 198 };
 199
 200 static struct fixed_voltage_config panda_vwlan = {
 201         .supply_name = "vwl1271",
 202         .microvolts = 1800000, /* 1.8V */
 203         .gpio = GPIO_WIFI_PMENA,
 204         .startup_delay = 70000, /* 70msec */
 205         .enable_high = 1,
 206         .enabled_at_boot = 0,
 207         .init_data = &panda_vmmc5,
 208 };
 209
 210 static struct platform_device omap_vwlan_device = {
 211         .name           = "reg-fixed-voltage",
 212         .id             = 1,
 213         .dev = {
 214                 .platform_data = &panda_vwlan,
 215         },
 216 };
 217
 218 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 219         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 220         /* PANDA ref clock is 38.4 MHz */
 221         .board_ref_clock = 2,
 222 };
 223
 224 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 225 {
 226         int ret = 0;
 227         struct platform_device *pdev = container_of(dev,
 228                                 struct platform_device, dev);
 229         struct omap_mmc_platform_data *pdata = dev->platform_data;
 230
 231         if (!pdata) {
 232                 dev_err(dev, "%s: NULL platform data\n", __func__);
 233                 return -EINVAL;
 234         }
 235         /* Setting MMC1 Card detect Irq */
 236         if (pdev->id == 0) {
 237                 ret = twl6030_mmc_card_detect_config();
 238                  if (ret)
 239                         dev_err(dev, "%s: Error card detect config(%d)\n",
 240                                 __func__, ret);
 241                  else
 242                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 243         }
 244         return ret;
 245 }
 246
 247 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 248 {
 249         struct omap_mmc_platform_data *pdata;
 250
 251         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 252         if (!dev) {
 253                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 254                 return;
 255         }
 256         pdata = dev->platform_data;
 257
 258         pdata->init =   omap4_twl6030_hsmmc_late_init;
 259 }
 260
 261 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 262 {
 263         struct omap2_hsmmc_info *c;
 264
 265         omap2_hsmmc_init(controllers);
 266         for (c = controllers; c->mmc; c++)
 267                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 268
 269         return 0;
 270 }
 271
 272 static struct regulator_init_data omap4_panda_vaux2 = {
 273         .constraints = {
 274                 .min_uV                 = 1200000,
 275                 .max_uV                 = 2800000,
 276                 .apply_uV               = true,
 277                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 278                                         | REGULATOR_MODE_STANDBY,
 279                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 280                                         | REGULATOR_CHANGE_MODE
 281                                         | REGULATOR_CHANGE_STATUS,
 282         },
 283 };
 284
 285 static struct regulator_init_data omap4_panda_vaux3 = {
 286         .constraints = {
 287                 .min_uV                 = 1000000,
 288                 .max_uV                 = 3000000,
 289                 .apply_uV               = true,
 290                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 291                                         | REGULATOR_MODE_STANDBY,
 292                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 293                                         | REGULATOR_CHANGE_MODE
 294                                         | REGULATOR_CHANGE_STATUS,
 295         },
 296 };
 297
 298 /* VMMC1 for MMC1 card */
 299 static struct regulator_init_data omap4_panda_vmmc = {
 300         .constraints = {
 301                 .min_uV                 = 1200000,
 302                 .max_uV                 = 3000000,
 303                 .apply_uV               = true,
 304                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 305                                         | REGULATOR_MODE_STANDBY,
 306                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 307                                         | REGULATOR_CHANGE_MODE
 308                                         | REGULATOR_CHANGE_STATUS,
 309         },
 310         .num_consumer_supplies  = ARRAY_SIZE(omap4_panda_vmmc_supply),
 311         .consumer_supplies      = omap4_panda_vmmc_supply,
 312 };
 313
 314 static struct regulator_init_data omap4_panda_vpp = {
 315         .constraints = {
 316                 .min_uV                 = 1800000,
 317                 .max_uV                 = 2500000,
 318                 .apply_uV               = true,
 319                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 320                                         | REGULATOR_MODE_STANDBY,
 321                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 322                                         | REGULATOR_CHANGE_MODE
 323                                         | REGULATOR_CHANGE_STATUS,
 324         },
 325 };
 326
 327 static struct regulator_init_data omap4_panda_vana = {
 328         .constraints = {
 329                 .min_uV                 = 2100000,
 330                 .max_uV                 = 2100000,
 331                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 332                                         | REGULATOR_MODE_STANDBY,
 333                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 334                                         | REGULATOR_CHANGE_STATUS,
 335         },
 336 };
 337
 338 static struct regulator_init_data omap4_panda_vcxio = {
 339         .constraints = {
 340                 .min_uV                 = 1800000,
 341                 .max_uV                 = 1800000,
 342                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 343                                         | REGULATOR_MODE_STANDBY,
 344                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 345                                         | REGULATOR_CHANGE_STATUS,
 346         },
 347 };
 348
 349 static struct regulator_init_data omap4_panda_vdac = {
 350         .constraints = {
 351                 .min_uV                 = 1800000,
 352                 .max_uV                 = 1800000,
 353                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 354                                         | REGULATOR_MODE_STANDBY,
 355                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 356                                         | REGULATOR_CHANGE_STATUS,
 357         },
 358 };
 359
 360 static struct regulator_init_data omap4_panda_vusb = {
 361         .constraints = {
 362                 .min_uV                 = 3300000,
 363                 .max_uV                 = 3300000,
 364                 .apply_uV               = true,
 365                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 366                                         | REGULATOR_MODE_STANDBY,
 367                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 368                                         | REGULATOR_CHANGE_STATUS,
 369         },
 370 };
 371
 372 static struct regulator_init_data omap4_panda_clk32kg = {
 373         .constraints = {
 374                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 375         },
 376 };
 377
 378 static struct twl4030_platform_data omap4_panda_twldata = {
 379         .irq_base       = TWL6030_IRQ_BASE,
 380         .irq_end        = TWL6030_IRQ_END,
 381
 382         /* Regulators */
 383         .vmmc           = &omap4_panda_vmmc,
 384         .vpp            = &omap4_panda_vpp,
 385         .vana           = &omap4_panda_vana,
 386         .vcxio          = &omap4_panda_vcxio,
 387         .vdac           = &omap4_panda_vdac,
 388         .vusb           = &omap4_panda_vusb,
 389         .vaux2          = &omap4_panda_vaux2,
 390         .vaux3          = &omap4_panda_vaux3,
 391         .clk32kg        = &omap4_panda_clk32kg,
 392         .usb            = &omap4_usbphy_data,
 393 };
 394
 395 /*
 396  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 397  * is connected as I2C slave device, and can be accessed at address 0x50
 398  */
 399 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 400         {
 401                 I2C_BOARD_INFO("eeprom", 0x50),
 402         },
 403 };
 404
 405 static int __init omap4_panda_i2c_init(void)
 406 {
 407         omap4_pmic_init("twl6030", &omap4_panda_twldata);
 408         omap_register_i2c_bus(2, 400, NULL, 0);
 409         /*
 410          * Bus 3 is attached to the DVI port where devices like the pico DLP
 411          * projector don't work reliably with 400kHz
 412          */
 413         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 414                                         ARRAY_SIZE(panda_i2c_eeprom));
 415         omap_register_i2c_bus(4, 400, NULL, 0);
 416         return 0;
 417 }
 418
 419 #ifdef CONFIG_OMAP_MUX
 420 static struct omap_board_mux board_mux[] __initdata = {
 421         /* WLAN IRQ - GPIO 53 */
 422         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 423         /* WLAN POWER ENABLE - GPIO 43 */
 424         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 425         /* WLAN SDIO: MMC5 CMD */
 426         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 427         /* WLAN SDIO: MMC5 CLK */
 428         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 429         /* WLAN SDIO: MMC5 DAT[0-3] */
 430         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 431         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 432         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 433         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 434         /* gpio 0 - TFP410 PD */
 435         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 436         /* dispc2_data23 */
 437         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 438         /* dispc2_data22 */
 439         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 440         /* dispc2_data21 */
 441         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 442         /* dispc2_data20 */
 443         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 444         /* dispc2_data19 */
 445         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 446         /* dispc2_data18 */
 447         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 448         /* dispc2_data15 */
 449         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 450         /* dispc2_data14 */
 451         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 452         /* dispc2_data13 */
 453         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 454         /* dispc2_data12 */
 455         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 456         /* dispc2_data11 */
 457         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 458         /* dispc2_data10 */
 459         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 460         /* dispc2_data9 */
 461         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 462         /* dispc2_data16 */
 463         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 464         /* dispc2_data17 */
 465         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 466         /* dispc2_hsync */
 467         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 468         /* dispc2_pclk */
 469         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 470         /* dispc2_vsync */
 471         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 472         /* dispc2_de */
 473         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 474         /* dispc2_data8 */
 475         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 476         /* dispc2_data7 */
 477         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 478         /* dispc2_data6 */
 479         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 480         /* dispc2_data5 */
 481         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 482         /* dispc2_data4 */
 483         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 484         /* dispc2_data3 */
 485         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 486         /* dispc2_data2 */
 487         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 488         /* dispc2_data1 */
 489         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 490         /* dispc2_data0 */
 491         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 492         { .reg_offset = OMAP_MUX_TERMINATOR },
 493 };
 494
 495 static struct omap_device_pad serial2_pads[] __initdata = {
 496         OMAP_MUX_STATIC("uart2_cts.uart2_cts",
 497                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 498         OMAP_MUX_STATIC("uart2_rts.uart2_rts",
 499                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 500         OMAP_MUX_STATIC("uart2_rx.uart2_rx",
 501                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 502         OMAP_MUX_STATIC("uart2_tx.uart2_tx",
 503                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 504 };
 505
 506 static struct omap_device_pad serial3_pads[] __initdata = {
 507         OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
 508                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 509         OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
 510                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 511         OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
 512                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 513         OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
 514                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 515 };
 516
 517 static struct omap_device_pad serial4_pads[] __initdata = {
 518         OMAP_MUX_STATIC("uart4_rx.uart4_rx",
 519                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 520         OMAP_MUX_STATIC("uart4_tx.uart4_tx",
 521                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 522 };
 523
 524 static struct omap_board_data serial2_data __initdata = {
 525         .id             = 1,
 526         .pads           = serial2_pads,
 527         .pads_cnt       = ARRAY_SIZE(serial2_pads),
 528 };
 529
 530 static struct omap_board_data serial3_data __initdata = {
 531         .id             = 2,
 532         .pads           = serial3_pads,
 533         .pads_cnt       = ARRAY_SIZE(serial3_pads),
 534 };
 535
 536 static struct omap_board_data serial4_data __initdata = {
 537         .id             = 3,
 538         .pads           = serial4_pads,
 539         .pads_cnt       = ARRAY_SIZE(serial4_pads),
 540 };
 541
 542 static inline void board_serial_init(void)
 543 {
 544         struct omap_board_data bdata;
 545         bdata.flags     = 0;
 546         bdata.pads      = NULL;
 547         bdata.pads_cnt  = 0;
 548         bdata.id        = 0;
 549         /* pass dummy data for UART1 */
 550         omap_serial_init_port(&bdata);
 551
 552         omap_serial_init_port(&serial2_data);
 553         omap_serial_init_port(&serial3_data);
 554         omap_serial_init_port(&serial4_data);
 555 }
 556 #else
 557 #define board_mux       NULL
 558
 559 static inline void board_serial_init(void)
 560 {
 561         omap_serial_init();
 562 }
 563 #endif
 564
 565 /* Display DVI */
 566 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
 567
 568 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
 569 {
 570         gpio_set_value(dssdev->reset_gpio, 1);
 571         return 0;
 572 }
 573
 574 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
 575 {
 576         gpio_set_value(dssdev->reset_gpio, 0);
 577 }
 578
 579 /* Using generic display panel */
 580 static struct panel_generic_dpi_data omap4_dvi_panel = {
 581         .name                   = "generic",
 582         .platform_enable        = omap4_panda_enable_dvi,
 583         .platform_disable       = omap4_panda_disable_dvi,
 584 };
 585
 586 struct omap_dss_device omap4_panda_dvi_device = {
 587         .type                   = OMAP_DISPLAY_TYPE_DPI,
 588         .name                   = "dvi",
 589         .driver_name            = "generic_dpi_panel",
 590         .data                   = &omap4_dvi_panel,
 591         .phy.dpi.data_lines     = 24,
 592         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 593         .channel                = OMAP_DSS_CHANNEL_LCD2,
 594 };
 595
 596 int __init omap4_panda_dvi_init(void)
 597 {
 598         int r;
 599
 600         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
 601         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
 602                                 GPIOF_OUT_INIT_LOW, "DVI PD");
 603         if (r)
 604                 pr_err("Failed to get DVI powerdown GPIO\n");
 605
 606         return r;
 607 }
 608
 609
 610 static void omap4_panda_hdmi_mux_init(void)
 611 {
 612         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 613         omap_mux_init_signal("hdmi_hpd",
 614                         OMAP_PIN_INPUT_PULLUP);
 615         omap_mux_init_signal("hdmi_cec",
 616                         OMAP_PIN_INPUT_PULLUP);
 617         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 618         omap_mux_init_signal("hdmi_ddc_scl",
 619                         OMAP_PIN_INPUT_PULLUP);
 620         omap_mux_init_signal("hdmi_ddc_sda",
 621                         OMAP_PIN_INPUT_PULLUP);
 622 }
 623
 624 static struct gpio panda_hdmi_gpios[] = {
 625         { HDMI_GPIO_HPD,        GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
 626         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
 627 };
 628
 629 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 630 {
 631         int status;
 632
 633         status = gpio_request_array(panda_hdmi_gpios,
 634                                     ARRAY_SIZE(panda_hdmi_gpios));
 635         if (status)
 636                 pr_err("Cannot request HDMI GPIOs\n");
 637
 638         return status;
 639 }
 640
 641 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 642 {
 643         gpio_free(HDMI_GPIO_LS_OE);
 644         gpio_free(HDMI_GPIO_HPD);
 645 }
 646
 647 static struct omap_dss_device  omap4_panda_hdmi_device = {
 648         .name = "hdmi",
 649         .driver_name = "hdmi_panel",
 650         .type = OMAP_DISPLAY_TYPE_HDMI,
 651         .platform_enable = omap4_panda_panel_enable_hdmi,
 652         .platform_disable = omap4_panda_panel_disable_hdmi,
 653         .channel = OMAP_DSS_CHANNEL_DIGIT,
 654 };
 655
 656 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 657         &omap4_panda_dvi_device,
 658         &omap4_panda_hdmi_device,
 659 };
 660
 661 static struct omap_dss_board_info omap4_panda_dss_data = {
 662         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 663         .devices        = omap4_panda_dss_devices,
 664         .default_device = &omap4_panda_dvi_device,
 665 };
 666
 667 void omap4_panda_display_init(void)
 668 {
 669         int r;
 670
 671         r = omap4_panda_dvi_init();
 672         if (r)
 673                 pr_err("error initializing panda DVI\n");
 674
 675         omap4_panda_hdmi_mux_init();
 676         omap_display_init(&omap4_panda_dss_data);
 677 }
 678
 679 static void __init omap4_panda_init(void)
 680 {
 681         int package = OMAP_PACKAGE_CBS;
 682
 683         if (omap_rev() == OMAP4430_REV_ES1_0)
 684                 package = OMAP_PACKAGE_CBL;
 685         omap4_mux_init(board_mux, NULL, package);
 686
 687         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 688                 pr_err("error setting wl12xx data\n");
 689
 690         omap4_panda_i2c_init();
 691         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 692         platform_device_register(&omap_vwlan_device);
 693         board_serial_init();
 694         omap4_twl6030_hsmmc_init(mmc);
 695         omap4_ehci_init();
 696         usb_musb_init(&musb_board_data);
 697         omap4_panda_display_init();
 698 }
 699
 700 static void __init omap4_panda_map_io(void)
 701 {
 702         omap2_set_globals_443x();
 703         omap44xx_map_common_io();
 704 }
 705
 706 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 707         /* Maintainer: David Anders - Texas Instruments Inc */
 708         .boot_params    = 0x80000100,
 709         .reserve        = omap_reserve,
 710         .map_io         = omap4_panda_map_io,
 711         .init_early     = omap4_panda_init_early,
 712         .init_irq       = gic_init_irq,
 713         .init_machine   = omap4_panda_init,
 714         .timer          = &omap4_timer,
 715 MACHINE_END