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 <plat/display.h>
  38
  39 #include <plat/board.h>
  40 #include <plat/common.h>
  41 #include <plat/usb.h>
  42 #include <plat/mmc.h>
  43 #include <plat/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 void __init omap4_ehci_init(void)
 116 {
 117         int ret;
 118         struct clk *phy_ref_clk;
 119
 120         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 121         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 122         if (IS_ERR(phy_ref_clk)) {
 123                 pr_err("Cannot request auxclk3\n");
 124                 goto error1;
 125         }
 126         clk_set_rate(phy_ref_clk, 19200000);
 127         clk_enable(phy_ref_clk);
 128
 129         /* disable the power to the usb hub prior to init */
 130         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
 131         if (ret) {
 132                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
 133                 goto error1;
 134         }
 135         gpio_export(GPIO_HUB_POWER, 0);
 136         gpio_direction_output(GPIO_HUB_POWER, 0);
 137         gpio_set_value(GPIO_HUB_POWER, 0);
 138
 139         /* reset phy+hub */
 140         ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
 141         if (ret) {
 142                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
 143                 goto error2;
 144         }
 145         gpio_export(GPIO_HUB_NRESET, 0);
 146         gpio_direction_output(GPIO_HUB_NRESET, 0);
 147         gpio_set_value(GPIO_HUB_NRESET, 0);
 148         gpio_set_value(GPIO_HUB_NRESET, 1);
 149
 150         usbhs_init(&usbhs_bdata);
 151
 152         /* enable power to hub */
 153         gpio_set_value(GPIO_HUB_POWER, 1);
 154         return;
 155
 156 error2:
 157         gpio_free(GPIO_HUB_POWER);
 158 error1:
 159         pr_err("Unable to initialize EHCI power/reset\n");
 160         return;
 161
 162 }
 163
 164 static struct omap_musb_board_data musb_board_data = {
 165         .interface_type         = MUSB_INTERFACE_UTMI,
 166         .mode                   = MUSB_OTG,
 167         .power                  = 100,
 168 };
 169
 170 static struct twl4030_usb_data omap4_usbphy_data = {
 171         .phy_init       = omap4430_phy_init,
 172         .phy_exit       = omap4430_phy_exit,
 173         .phy_power      = omap4430_phy_power,
 174         .phy_set_clock  = omap4430_phy_set_clk,
 175         .phy_suspend    = omap4430_phy_suspend,
 176 };
 177
 178 static struct omap2_hsmmc_info mmc[] = {
 179         {
 180                 .mmc            = 1,
 181                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 182                 .gpio_wp        = -EINVAL,
 183                 .gpio_cd        = -EINVAL,
 184         },
 185         {
 186                 .name           = "wl1271",
 187                 .mmc            = 5,
 188                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 189                 .gpio_wp        = -EINVAL,
 190                 .gpio_cd        = -EINVAL,
 191                 .ocr_mask       = MMC_VDD_165_195,
 192                 .nonremovable   = true,
 193         },
 194         {}      /* Terminator */
 195 };
 196
 197 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 198         {
 199                 .supply = "vmmc",
 200                 .dev_name = "omap_hsmmc.0",
 201         },
 202 };
 203
 204 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
 205         .supply = "vmmc",
 206         .dev_name = "omap_hsmmc.4",
 207 };
 208
 209 static struct regulator_init_data panda_vmmc5 = {
 210         .constraints = {
 211                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 212         },
 213         .num_consumer_supplies = 1,
 214         .consumer_supplies = &omap4_panda_vmmc5_supply,
 215 };
 216
 217 static struct fixed_voltage_config panda_vwlan = {
 218         .supply_name = "vwl1271",
 219         .microvolts = 1800000, /* 1.8V */
 220         .gpio = GPIO_WIFI_PMENA,
 221         .startup_delay = 70000, /* 70msec */
 222         .enable_high = 1,
 223         .enabled_at_boot = 0,
 224         .init_data = &panda_vmmc5,
 225 };
 226
 227 static struct platform_device omap_vwlan_device = {
 228         .name           = "reg-fixed-voltage",
 229         .id             = 1,
 230         .dev = {
 231                 .platform_data = &panda_vwlan,
 232         },
 233 };
 234
 235 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 236         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 237         /* PANDA ref clock is 38.4 MHz */
 238         .board_ref_clock = 2,
 239 };
 240
 241 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 242 {
 243         int ret = 0;
 244         struct platform_device *pdev = container_of(dev,
 245                                 struct platform_device, dev);
 246         struct omap_mmc_platform_data *pdata = dev->platform_data;
 247
 248         if (!pdata) {
 249                 dev_err(dev, "%s: NULL platform data\n", __func__);
 250                 return -EINVAL;
 251         }
 252         /* Setting MMC1 Card detect Irq */
 253         if (pdev->id == 0) {
 254                 ret = twl6030_mmc_card_detect_config();
 255                  if (ret)
 256                         dev_err(dev, "%s: Error card detect config(%d)\n",
 257                                 __func__, ret);
 258                  else
 259                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 260         }
 261         return ret;
 262 }
 263
 264 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 265 {
 266         struct omap_mmc_platform_data *pdata;
 267
 268         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 269         if (!dev) {
 270                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 271                 return;
 272         }
 273         pdata = dev->platform_data;
 274
 275         pdata->init =   omap4_twl6030_hsmmc_late_init;
 276 }
 277
 278 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 279 {
 280         struct omap2_hsmmc_info *c;
 281
 282         omap2_hsmmc_init(controllers);
 283         for (c = controllers; c->mmc; c++)
 284                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 285
 286         return 0;
 287 }
 288
 289 static struct regulator_init_data omap4_panda_vaux2 = {
 290         .constraints = {
 291                 .min_uV                 = 1200000,
 292                 .max_uV                 = 2800000,
 293                 .apply_uV               = true,
 294                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 295                                         | REGULATOR_MODE_STANDBY,
 296                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 297                                         | REGULATOR_CHANGE_MODE
 298                                         | REGULATOR_CHANGE_STATUS,
 299         },
 300 };
 301
 302 static struct regulator_init_data omap4_panda_vaux3 = {
 303         .constraints = {
 304                 .min_uV                 = 1000000,
 305                 .max_uV                 = 3000000,
 306                 .apply_uV               = true,
 307                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 308                                         | REGULATOR_MODE_STANDBY,
 309                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 310                                         | REGULATOR_CHANGE_MODE
 311                                         | REGULATOR_CHANGE_STATUS,
 312         },
 313 };
 314
 315 /* VMMC1 for MMC1 card */
 316 static struct regulator_init_data omap4_panda_vmmc = {
 317         .constraints = {
 318                 .min_uV                 = 1200000,
 319                 .max_uV                 = 3000000,
 320                 .apply_uV               = true,
 321                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 322                                         | REGULATOR_MODE_STANDBY,
 323                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 324                                         | REGULATOR_CHANGE_MODE
 325                                         | REGULATOR_CHANGE_STATUS,
 326         },
 327         .num_consumer_supplies  = 1,
 328         .consumer_supplies      = omap4_panda_vmmc_supply,
 329 };
 330
 331 static struct regulator_init_data omap4_panda_vpp = {
 332         .constraints = {
 333                 .min_uV                 = 1800000,
 334                 .max_uV                 = 2500000,
 335                 .apply_uV               = true,
 336                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 337                                         | REGULATOR_MODE_STANDBY,
 338                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 339                                         | REGULATOR_CHANGE_MODE
 340                                         | REGULATOR_CHANGE_STATUS,
 341         },
 342 };
 343
 344 static struct regulator_init_data omap4_panda_vana = {
 345         .constraints = {
 346                 .min_uV                 = 2100000,
 347                 .max_uV                 = 2100000,
 348                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 349                                         | REGULATOR_MODE_STANDBY,
 350                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 351                                         | REGULATOR_CHANGE_STATUS,
 352         },
 353 };
 354
 355 static struct regulator_init_data omap4_panda_vcxio = {
 356         .constraints = {
 357                 .min_uV                 = 1800000,
 358                 .max_uV                 = 1800000,
 359                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 360                                         | REGULATOR_MODE_STANDBY,
 361                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 362                                         | REGULATOR_CHANGE_STATUS,
 363         },
 364 };
 365
 366 static struct regulator_init_data omap4_panda_vdac = {
 367         .constraints = {
 368                 .min_uV                 = 1800000,
 369                 .max_uV                 = 1800000,
 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_vusb = {
 378         .constraints = {
 379                 .min_uV                 = 3300000,
 380                 .max_uV                 = 3300000,
 381                 .apply_uV               = true,
 382                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 383                                         | REGULATOR_MODE_STANDBY,
 384                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 385                                         | REGULATOR_CHANGE_STATUS,
 386         },
 387 };
 388
 389 static struct regulator_init_data omap4_panda_clk32kg = {
 390         .constraints = {
 391                 .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 392         },
 393 };
 394
 395 static struct twl4030_platform_data omap4_panda_twldata = {
 396         .irq_base       = TWL6030_IRQ_BASE,
 397         .irq_end        = TWL6030_IRQ_END,
 398
 399         /* Regulators */
 400         .vmmc           = &omap4_panda_vmmc,
 401         .vpp            = &omap4_panda_vpp,
 402         .vana           = &omap4_panda_vana,
 403         .vcxio          = &omap4_panda_vcxio,
 404         .vdac           = &omap4_panda_vdac,
 405         .vusb           = &omap4_panda_vusb,
 406         .vaux2          = &omap4_panda_vaux2,
 407         .vaux3          = &omap4_panda_vaux3,
 408         .clk32kg        = &omap4_panda_clk32kg,
 409         .usb            = &omap4_usbphy_data,
 410 };
 411
 412 /*
 413  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 414  * is connected as I2C slave device, and can be accessed at address 0x50
 415  */
 416 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
 417         {
 418                 I2C_BOARD_INFO("eeprom", 0x50),
 419         },
 420 };
 421
 422 static int __init omap4_panda_i2c_init(void)
 423 {
 424         omap4_pmic_init("twl6030", &omap4_panda_twldata);
 425         omap_register_i2c_bus(2, 400, NULL, 0);
 426         /*
 427          * Bus 3 is attached to the DVI port where devices like the pico DLP
 428          * projector don't work reliably with 400kHz
 429          */
 430         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
 431                                         ARRAY_SIZE(panda_i2c_eeprom));
 432         omap_register_i2c_bus(4, 400, NULL, 0);
 433         return 0;
 434 }
 435
 436 #ifdef CONFIG_OMAP_MUX
 437 static struct omap_board_mux board_mux[] __initdata = {
 438         /* WLAN IRQ - GPIO 53 */
 439         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 440         /* WLAN POWER ENABLE - GPIO 43 */
 441         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 442         /* WLAN SDIO: MMC5 CMD */
 443         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 444         /* WLAN SDIO: MMC5 CLK */
 445         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 446         /* WLAN SDIO: MMC5 DAT[0-3] */
 447         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 448         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 449         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 450         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 451         /* gpio 0 - TFP410 PD */
 452         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
 453         /* dispc2_data23 */
 454         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 455         /* dispc2_data22 */
 456         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 457         /* dispc2_data21 */
 458         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 459         /* dispc2_data20 */
 460         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 461         /* dispc2_data19 */
 462         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 463         /* dispc2_data18 */
 464         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 465         /* dispc2_data15 */
 466         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 467         /* dispc2_data14 */
 468         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 469         /* dispc2_data13 */
 470         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 471         /* dispc2_data12 */
 472         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 473         /* dispc2_data11 */
 474         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 475         /* dispc2_data10 */
 476         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 477         /* dispc2_data9 */
 478         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 479         /* dispc2_data16 */
 480         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 481         /* dispc2_data17 */
 482         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 483         /* dispc2_hsync */
 484         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 485         /* dispc2_pclk */
 486         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 487         /* dispc2_vsync */
 488         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 489         /* dispc2_de */
 490         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 491         /* dispc2_data8 */
 492         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 493         /* dispc2_data7 */
 494         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 495         /* dispc2_data6 */
 496         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 497         /* dispc2_data5 */
 498         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 499         /* dispc2_data4 */
 500         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 501         /* dispc2_data3 */
 502         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 503         /* dispc2_data2 */
 504         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 505         /* dispc2_data1 */
 506         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 507         /* dispc2_data0 */
 508         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
 509         { .reg_offset = OMAP_MUX_TERMINATOR },
 510 };
 511
 512 static struct omap_device_pad serial2_pads[] __initdata = {
 513         OMAP_MUX_STATIC("uart2_cts.uart2_cts",
 514                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 515         OMAP_MUX_STATIC("uart2_rts.uart2_rts",
 516                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 517         OMAP_MUX_STATIC("uart2_rx.uart2_rx",
 518                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 519         OMAP_MUX_STATIC("uart2_tx.uart2_tx",
 520                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 521 };
 522
 523 static struct omap_device_pad serial3_pads[] __initdata = {
 524         OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
 525                          OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
 526         OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
 527                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 528         OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
 529                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 530         OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
 531                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 532 };
 533
 534 static struct omap_device_pad serial4_pads[] __initdata = {
 535         OMAP_MUX_STATIC("uart4_rx.uart4_rx",
 536                          OMAP_PIN_INPUT | OMAP_MUX_MODE0),
 537         OMAP_MUX_STATIC("uart4_tx.uart4_tx",
 538                          OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
 539 };
 540
 541 static struct omap_board_data serial2_data = {
 542         .id             = 1,
 543         .pads           = serial2_pads,
 544         .pads_cnt       = ARRAY_SIZE(serial2_pads),
 545 };
 546
 547 static struct omap_board_data serial3_data = {
 548         .id             = 2,
 549         .pads           = serial3_pads,
 550         .pads_cnt       = ARRAY_SIZE(serial3_pads),
 551 };
 552
 553 static struct omap_board_data serial4_data = {
 554         .id             = 3,
 555         .pads           = serial4_pads,
 556         .pads_cnt       = ARRAY_SIZE(serial4_pads),
 557 };
 558
 559 static inline void board_serial_init(void)
 560 {
 561         struct omap_board_data bdata;
 562         bdata.flags     = 0;
 563         bdata.pads      = NULL;
 564         bdata.pads_cnt  = 0;
 565         bdata.id        = 0;
 566         /* pass dummy data for UART1 */
 567         omap_serial_init_port(&bdata);
 568
 569         omap_serial_init_port(&serial2_data);
 570         omap_serial_init_port(&serial3_data);
 571         omap_serial_init_port(&serial4_data);
 572 }
 573 #else
 574 #define board_mux       NULL
 575
 576 static inline void board_serial_init(void)
 577 {
 578         omap_serial_init();
 579 }
 580 #endif
 581
 582 /* Display DVI */
 583 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
 584
 585 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
 586 {
 587         gpio_set_value(dssdev->reset_gpio, 1);
 588         return 0;
 589 }
 590
 591 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
 592 {
 593         gpio_set_value(dssdev->reset_gpio, 0);
 594 }
 595
 596 /* Using generic display panel */
 597 static struct panel_generic_dpi_data omap4_dvi_panel = {
 598         .name                   = "generic",
 599         .platform_enable        = omap4_panda_enable_dvi,
 600         .platform_disable       = omap4_panda_disable_dvi,
 601 };
 602
 603 struct omap_dss_device omap4_panda_dvi_device = {
 604         .type                   = OMAP_DISPLAY_TYPE_DPI,
 605         .name                   = "dvi",
 606         .driver_name            = "generic_dpi_panel",
 607         .data                   = &omap4_dvi_panel,
 608         .phy.dpi.data_lines     = 24,
 609         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
 610         .channel                = OMAP_DSS_CHANNEL_LCD2,
 611 };
 612
 613 int __init omap4_panda_dvi_init(void)
 614 {
 615         int r;
 616
 617         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
 618         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
 619                                 GPIOF_OUT_INIT_LOW, "DVI PD");
 620         if (r)
 621                 pr_err("Failed to get DVI powerdown GPIO\n");
 622
 623         return r;
 624 }
 625
 626
 627 static void omap4_panda_hdmi_mux_init(void)
 628 {
 629         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 630         omap_mux_init_signal("hdmi_hpd",
 631                         OMAP_PIN_INPUT_PULLUP);
 632         omap_mux_init_signal("hdmi_cec",
 633                         OMAP_PIN_INPUT_PULLUP);
 634         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 635         omap_mux_init_signal("hdmi_ddc_scl",
 636                         OMAP_PIN_INPUT_PULLUP);
 637         omap_mux_init_signal("hdmi_ddc_sda",
 638                         OMAP_PIN_INPUT_PULLUP);
 639 }
 640
 641 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 642 {
 643         int status;
 644
 645         status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
 646                                                         "hdmi_gpio_hpd");
 647         if (status) {
 648                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
 649                 return status;
 650         }
 651         status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
 652                                                         "hdmi_gpio_ls_oe");
 653         if (status) {
 654                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
 655                 goto error1;
 656         }
 657
 658         return 0;
 659
 660 error1:
 661         gpio_free(HDMI_GPIO_HPD);
 662
 663         return status;
 664 }
 665
 666 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 667 {
 668         gpio_free(HDMI_GPIO_LS_OE);
 669         gpio_free(HDMI_GPIO_HPD);
 670 }
 671
 672 static struct omap_dss_device  omap4_panda_hdmi_device = {
 673         .name = "hdmi",
 674         .driver_name = "hdmi_panel",
 675         .type = OMAP_DISPLAY_TYPE_HDMI,
 676         .platform_enable = omap4_panda_panel_enable_hdmi,
 677         .platform_disable = omap4_panda_panel_disable_hdmi,
 678         .channel = OMAP_DSS_CHANNEL_DIGIT,
 679 };
 680
 681 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 682         &omap4_panda_dvi_device,
 683         &omap4_panda_hdmi_device,
 684 };
 685
 686 static struct omap_dss_board_info omap4_panda_dss_data = {
 687         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 688         .devices        = omap4_panda_dss_devices,
 689         .default_device = &omap4_panda_dvi_device,
 690 };
 691
 692 void omap4_panda_display_init(void)
 693 {
 694         int r;
 695
 696         r = omap4_panda_dvi_init();
 697         if (r)
 698                 pr_err("error initializing panda DVI\n");
 699
 700         omap4_panda_hdmi_mux_init();
 701         omap_display_init(&omap4_panda_dss_data);
 702 }
 703
 704 static void __init omap4_panda_init(void)
 705 {
 706         int package = OMAP_PACKAGE_CBS;
 707
 708         if (omap_rev() == OMAP4430_REV_ES1_0)
 709                 package = OMAP_PACKAGE_CBL;
 710         omap4_mux_init(board_mux, package);
 711
 712         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 713                 pr_err("error setting wl12xx data\n");
 714
 715         omap4_panda_i2c_init();
 716         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 717         platform_device_register(&omap_vwlan_device);
 718         board_serial_init();
 719         omap4_twl6030_hsmmc_init(mmc);
 720         omap4_ehci_init();
 721         usb_musb_init(&musb_board_data);
 722         omap4_panda_display_init();
 723 }
 724
 725 static void __init omap4_panda_map_io(void)
 726 {
 727         omap2_set_globals_443x();
 728         omap44xx_map_common_io();
 729 }
 730
 731 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 732         /* Maintainer: David Anders - Texas Instruments Inc */
 733         .boot_params    = 0x80000100,
 734         .reserve        = omap_reserve,
 735         .map_io         = omap4_panda_map_io,
 736         .init_early     = omap4_panda_init_early,
 737         .init_irq       = gic_init_irq,
 738         .init_machine   = omap4_panda_init,
 739         .timer          = &omap_timer,
 740 MACHINE_END