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 "timer-gp.h"
  44
  45 #include "hsmmc.h"
  46 #include "control.h"
  47 #include "mux.h"
  48
  49 #define GPIO_HUB_POWER          1
  50 #define GPIO_HUB_NRESET         62
  51 #define GPIO_WIFI_PMENA         43
  52 #define GPIO_WIFI_IRQ           53
  53 #define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
  54 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
  55
  56 /* wl127x BT, FM, GPS connectivity chip */
  57 static int wl1271_gpios[] = {46, -1, -1};
  58 static struct platform_device wl1271_device = {
  59         .name   = "kim",
  60         .id     = -1,
  61         .dev    = {
  62                 .platform_data  = &wl1271_gpios,
  63         },
  64 };
  65
  66 static struct gpio_led gpio_leds[] = {
  67         {
  68                 .name                   = "pandaboard::status1",
  69                 .default_trigger        = "heartbeat",
  70                 .gpio                   = 7,
  71         },
  72         {
  73                 .name                   = "pandaboard::status2",
  74                 .default_trigger        = "mmc0",
  75                 .gpio                   = 8,
  76         },
  77 };
  78
  79 static struct gpio_led_platform_data gpio_led_info = {
  80         .leds           = gpio_leds,
  81         .num_leds       = ARRAY_SIZE(gpio_leds),
  82 };
  83
  84 static struct platform_device leds_gpio = {
  85         .name   = "leds-gpio",
  86         .id     = -1,
  87         .dev    = {
  88                 .platform_data  = &gpio_led_info,
  89         },
  90 };
  91
  92 static struct platform_device *panda_devices[] __initdata = {
  93         &leds_gpio,
  94         &wl1271_device,
  95 };
  96
  97 static void __init omap4_panda_init_early(void)
  98 {
  99         omap2_init_common_infrastructure();
 100         omap2_init_common_devices(NULL, NULL);
 101 }
 102
 103 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 104         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 105         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 106         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 107         .phy_reset  = false,
 108         .reset_gpio_port[0]  = -EINVAL,
 109         .reset_gpio_port[1]  = -EINVAL,
 110         .reset_gpio_port[2]  = -EINVAL
 111 };
 112
 113 static void __init omap4_ehci_init(void)
 114 {
 115         int ret;
 116         struct clk *phy_ref_clk;
 117
 118         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 119         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 120         if (IS_ERR(phy_ref_clk)) {
 121                 pr_err("Cannot request auxclk3\n");
 122                 goto error1;
 123         }
 124         clk_set_rate(phy_ref_clk, 19200000);
 125         clk_enable(phy_ref_clk);
 126
 127         /* disable the power to the usb hub prior to init */
 128         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
 129         if (ret) {
 130                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
 131                 goto error1;
 132         }
 133         gpio_export(GPIO_HUB_POWER, 0);
 134         gpio_direction_output(GPIO_HUB_POWER, 0);
 135         gpio_set_value(GPIO_HUB_POWER, 0);
 136
 137         /* reset phy+hub */
 138         ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
 139         if (ret) {
 140                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
 141                 goto error2;
 142         }
 143         gpio_export(GPIO_HUB_NRESET, 0);
 144         gpio_direction_output(GPIO_HUB_NRESET, 0);
 145         gpio_set_value(GPIO_HUB_NRESET, 0);
 146         gpio_set_value(GPIO_HUB_NRESET, 1);
 147
 148         usb_ehci_init(&ehci_pdata);
 149
 150         /* enable power to hub */
 151         gpio_set_value(GPIO_HUB_POWER, 1);
 152         return;
 153
 154 error2:
 155         gpio_free(GPIO_HUB_POWER);
 156 error1:
 157         pr_err("Unable to initialize EHCI power/reset\n");
 158         return;
 159
 160 }
 161
 162 static struct omap_musb_board_data musb_board_data = {
 163         .interface_type         = MUSB_INTERFACE_UTMI,
 164         .mode                   = MUSB_OTG,
 165         .power                  = 100,
 166 };
 167
 168 static struct twl4030_usb_data omap4_usbphy_data = {
 169         .phy_init       = omap4430_phy_init,
 170         .phy_exit       = omap4430_phy_exit,
 171         .phy_power      = omap4430_phy_power,
 172         .phy_set_clock  = omap4430_phy_set_clk,
 173 };
 174
 175 static struct omap2_hsmmc_info mmc[] = {
 176         {
 177                 .mmc            = 1,
 178                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 179                 .gpio_wp        = -EINVAL,
 180                 .gpio_cd        = -EINVAL,
 181         },
 182         {
 183                 .name           = "wl1271",
 184                 .mmc            = 5,
 185                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 186                 .gpio_wp        = -EINVAL,
 187                 .gpio_cd        = -EINVAL,
 188                 .ocr_mask       = MMC_VDD_165_195,
 189                 .nonremovable   = true,
 190         },
 191         {}      /* Terminator */
 192 };
 193
 194 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 195         {
 196                 .supply = "vmmc",
 197                 .dev_name = "omap_hsmmc.0",
 198         },
 199 };
 200
 201 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
 202         .supply = "vmmc",
 203         .dev_name = "omap_hsmmc.4",
 204 };
 205
 206 static struct regulator_init_data panda_vmmc5 = {
 207         .constraints = {
 208                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 209         },
 210         .num_consumer_supplies = 1,
 211         .consumer_supplies = &omap4_panda_vmmc5_supply,
 212 };
 213
 214 static struct fixed_voltage_config panda_vwlan = {
 215         .supply_name = "vwl1271",
 216         .microvolts = 1800000, /* 1.8V */
 217         .gpio = GPIO_WIFI_PMENA,
 218         .startup_delay = 70000, /* 70msec */
 219         .enable_high = 1,
 220         .enabled_at_boot = 0,
 221         .init_data = &panda_vmmc5,
 222 };
 223
 224 static struct platform_device omap_vwlan_device = {
 225         .name           = "reg-fixed-voltage",
 226         .id             = 1,
 227         .dev = {
 228                 .platform_data = &panda_vwlan,
 229         },
 230 };
 231
 232 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
 233         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
 234         /* PANDA ref clock is 38.4 MHz */
 235         .board_ref_clock = 2,
 236 };
 237
 238 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 239 {
 240         int ret = 0;
 241         struct platform_device *pdev = container_of(dev,
 242                                 struct platform_device, dev);
 243         struct omap_mmc_platform_data *pdata = dev->platform_data;
 244
 245         if (!pdata) {
 246                 dev_err(dev, "%s: NULL platform data\n", __func__);
 247                 return -EINVAL;
 248         }
 249         /* Setting MMC1 Card detect Irq */
 250         if (pdev->id == 0) {
 251                 ret = twl6030_mmc_card_detect_config();
 252                  if (ret)
 253                         dev_err(dev, "%s: Error card detect config(%d)\n",
 254                                 __func__, ret);
 255                  else
 256                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 257         }
 258         return ret;
 259 }
 260
 261 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 262 {
 263         struct omap_mmc_platform_data *pdata;
 264
 265         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 266         if (!dev) {
 267                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 268                 return;
 269         }
 270         pdata = dev->platform_data;
 271
 272         pdata->init =   omap4_twl6030_hsmmc_late_init;
 273 }
 274
 275 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 276 {
 277         struct omap2_hsmmc_info *c;
 278
 279         omap2_hsmmc_init(controllers);
 280         for (c = controllers; c->mmc; c++)
 281                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 282
 283         return 0;
 284 }
 285
 286 static struct regulator_init_data omap4_panda_vaux1 = {
 287         .constraints = {
 288                 .min_uV                 = 1000000,
 289                 .max_uV                 = 3000000,
 290                 .apply_uV               = true,
 291                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 292                                         | REGULATOR_MODE_STANDBY,
 293                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 294                                         | REGULATOR_CHANGE_MODE
 295                                         | REGULATOR_CHANGE_STATUS,
 296         },
 297 };
 298
 299 static struct regulator_init_data omap4_panda_vaux2 = {
 300         .constraints = {
 301                 .min_uV                 = 1200000,
 302                 .max_uV                 = 2800000,
 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 };
 311
 312 static struct regulator_init_data omap4_panda_vaux3 = {
 313         .constraints = {
 314                 .min_uV                 = 1000000,
 315                 .max_uV                 = 3000000,
 316                 .apply_uV               = true,
 317                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 318                                         | REGULATOR_MODE_STANDBY,
 319                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 320                                         | REGULATOR_CHANGE_MODE
 321                                         | REGULATOR_CHANGE_STATUS,
 322         },
 323 };
 324
 325 /* VMMC1 for MMC1 card */
 326 static struct regulator_init_data omap4_panda_vmmc = {
 327         .constraints = {
 328                 .min_uV                 = 1200000,
 329                 .max_uV                 = 3000000,
 330                 .apply_uV               = true,
 331                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 332                                         | REGULATOR_MODE_STANDBY,
 333                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 334                                         | REGULATOR_CHANGE_MODE
 335                                         | REGULATOR_CHANGE_STATUS,
 336         },
 337         .num_consumer_supplies  = 1,
 338         .consumer_supplies      = omap4_panda_vmmc_supply,
 339 };
 340
 341 static struct regulator_init_data omap4_panda_vpp = {
 342         .constraints = {
 343                 .min_uV                 = 1800000,
 344                 .max_uV                 = 2500000,
 345                 .apply_uV               = true,
 346                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 347                                         | REGULATOR_MODE_STANDBY,
 348                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 349                                         | REGULATOR_CHANGE_MODE
 350                                         | REGULATOR_CHANGE_STATUS,
 351         },
 352 };
 353
 354 static struct regulator_init_data omap4_panda_vusim = {
 355         .constraints = {
 356                 .min_uV                 = 1200000,
 357                 .max_uV                 = 2900000,
 358                 .apply_uV               = true,
 359                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 360                                         | REGULATOR_MODE_STANDBY,
 361                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 362                                         | REGULATOR_CHANGE_MODE
 363                                         | REGULATOR_CHANGE_STATUS,
 364         },
 365 };
 366
 367 static struct regulator_init_data omap4_panda_vana = {
 368         .constraints = {
 369                 .min_uV                 = 2100000,
 370                 .max_uV                 = 2100000,
 371                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 372                                         | REGULATOR_MODE_STANDBY,
 373                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 374                                         | REGULATOR_CHANGE_STATUS,
 375         },
 376 };
 377
 378 static struct regulator_init_data omap4_panda_vcxio = {
 379         .constraints = {
 380                 .min_uV                 = 1800000,
 381                 .max_uV                 = 1800000,
 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_vdac = {
 390         .constraints = {
 391                 .min_uV                 = 1800000,
 392                 .max_uV                 = 1800000,
 393                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 394                                         | REGULATOR_MODE_STANDBY,
 395                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 396                                         | REGULATOR_CHANGE_STATUS,
 397         },
 398 };
 399
 400 static struct regulator_init_data omap4_panda_vusb = {
 401         .constraints = {
 402                 .min_uV                 = 3300000,
 403                 .max_uV                 = 3300000,
 404                 .apply_uV               = true,
 405                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 406                                         | REGULATOR_MODE_STANDBY,
 407                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 408                                         | REGULATOR_CHANGE_STATUS,
 409         },
 410 };
 411
 412 static struct twl4030_platform_data omap4_panda_twldata = {
 413         .irq_base       = TWL6030_IRQ_BASE,
 414         .irq_end        = TWL6030_IRQ_END,
 415
 416         /* Regulators */
 417         .vmmc           = &omap4_panda_vmmc,
 418         .vpp            = &omap4_panda_vpp,
 419         .vusim          = &omap4_panda_vusim,
 420         .vana           = &omap4_panda_vana,
 421         .vcxio          = &omap4_panda_vcxio,
 422         .vdac           = &omap4_panda_vdac,
 423         .vusb           = &omap4_panda_vusb,
 424         .vaux1          = &omap4_panda_vaux1,
 425         .vaux2          = &omap4_panda_vaux2,
 426         .vaux3          = &omap4_panda_vaux3,
 427         .usb            = &omap4_usbphy_data,
 428 };
 429
 430 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 431         {
 432                 I2C_BOARD_INFO("twl6030", 0x48),
 433                 .flags = I2C_CLIENT_WAKE,
 434                 .irq = OMAP44XX_IRQ_SYS_1N,
 435                 .platform_data = &omap4_panda_twldata,
 436         },
 437 };
 438 static int __init omap4_panda_i2c_init(void)
 439 {
 440         /*
 441          * Phoenix Audio IC needs I2C1 to
 442          * start with 400 KHz or less
 443          */
 444         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 445                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 446         omap_register_i2c_bus(2, 400, NULL, 0);
 447         omap_register_i2c_bus(3, 400, NULL, 0);
 448         omap_register_i2c_bus(4, 400, NULL, 0);
 449         return 0;
 450 }
 451
 452 #ifdef CONFIG_OMAP_MUX
 453 static struct omap_board_mux board_mux[] __initdata = {
 454         /* WLAN IRQ - GPIO 53 */
 455         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 456         /* WLAN POWER ENABLE - GPIO 43 */
 457         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 458         /* WLAN SDIO: MMC5 CMD */
 459         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 460         /* WLAN SDIO: MMC5 CLK */
 461         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 462         /* WLAN SDIO: MMC5 DAT[0-3] */
 463         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 464         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 465         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 466         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 467         { .reg_offset = OMAP_MUX_TERMINATOR },
 468 };
 469 #else
 470 #define board_mux       NULL
 471 #endif
 472
 473 static void omap4_panda_hdmi_mux_init(void)
 474 {
 475         /* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
 476         omap_mux_init_signal("hdmi_hpd",
 477                         OMAP_PIN_INPUT_PULLUP);
 478         omap_mux_init_signal("hdmi_cec",
 479                         OMAP_PIN_INPUT_PULLUP);
 480         /* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
 481         omap_mux_init_signal("hdmi_ddc_scl",
 482                         OMAP_PIN_INPUT_PULLUP);
 483         omap_mux_init_signal("hdmi_ddc_sda",
 484                         OMAP_PIN_INPUT_PULLUP);
 485 }
 486
 487 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
 488 {
 489         int status;
 490
 491         status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
 492                                                         "hdmi_gpio_hpd");
 493         if (status) {
 494                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
 495                 return status;
 496         }
 497         status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
 498                                                         "hdmi_gpio_ls_oe");
 499         if (status) {
 500                 pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
 501                 goto error1;
 502         }
 503
 504         return 0;
 505
 506 error1:
 507         gpio_free(HDMI_GPIO_HPD);
 508
 509         return status;
 510 }
 511
 512 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
 513 {
 514         gpio_free(HDMI_GPIO_LS_OE);
 515         gpio_free(HDMI_GPIO_HPD);
 516 }
 517
 518 static struct omap_dss_device  omap4_panda_hdmi_device = {
 519         .name = "hdmi",
 520         .driver_name = "hdmi_panel",
 521         .type = OMAP_DISPLAY_TYPE_HDMI,
 522         .platform_enable = omap4_panda_panel_enable_hdmi,
 523         .platform_disable = omap4_panda_panel_disable_hdmi,
 524         .channel = OMAP_DSS_CHANNEL_DIGIT,
 525 };
 526
 527 static struct omap_dss_device *omap4_panda_dss_devices[] = {
 528         &omap4_panda_hdmi_device,
 529 };
 530
 531 static struct omap_dss_board_info omap4_panda_dss_data = {
 532         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
 533         .devices        = omap4_panda_dss_devices,
 534         .default_device = &omap4_panda_hdmi_device,
 535 };
 536
 537 void omap4_panda_display_init(void)
 538 {
 539         omap4_panda_hdmi_mux_init();
 540         omap_display_init(&omap4_panda_dss_data);
 541 }
 542
 543 static void __init omap4_panda_init(void)
 544 {
 545         int package = OMAP_PACKAGE_CBS;
 546
 547         if (omap_rev() == OMAP4430_REV_ES1_0)
 548                 package = OMAP_PACKAGE_CBL;
 549         omap4_mux_init(board_mux, package);
 550
 551         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 552                 pr_err("error setting wl12xx data\n");
 553
 554         omap4_panda_i2c_init();
 555         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 556         platform_device_register(&omap_vwlan_device);
 557         omap_serial_init();
 558         omap4_twl6030_hsmmc_init(mmc);
 559         omap4_ehci_init();
 560         usb_musb_init(&musb_board_data);
 561         omap4_panda_display_init();
 562 }
 563
 564 static void __init omap4_panda_map_io(void)
 565 {
 566         omap2_set_globals_443x();
 567         omap44xx_map_common_io();
 568 }
 569
 570 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 571         /* Maintainer: David Anders - Texas Instruments Inc */
 572         .boot_params    = 0x80000100,
 573         .reserve        = omap_reserve,
 574         .map_io         = omap4_panda_map_io,
 575         .init_early     = omap4_panda_init_early,
 576         .init_irq       = gic_init_irq,
 577         .init_machine   = omap4_panda_init,
 578         .timer          = &omap_timer,
 579 MACHINE_END