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
  38 #include <plat/board.h>
  39 #include <plat/common.h>
  40 #include <plat/usb.h>
  41 #include <plat/mmc.h>
  42 #include "timer-gp.h"
  43
  44 #include "hsmmc.h"
  45 #include "control.h"
  46 #include "mux.h"
  47
  48 #define GPIO_HUB_POWER          1
  49 #define GPIO_HUB_NRESET         62
  50 #define GPIO_WIFI_PMENA         43
  51 #define GPIO_WIFI_IRQ           53
  52
  53 static struct gpio_led gpio_leds[] = {
  54         {
  55                 .name                   = "pandaboard::status1",
  56                 .default_trigger        = "heartbeat",
  57                 .gpio                   = 7,
  58         },
  59         {
  60                 .name                   = "pandaboard::status2",
  61                 .default_trigger        = "mmc0",
  62                 .gpio                   = 8,
  63         },
  64 };
  65
  66 static struct gpio_led_platform_data gpio_led_info = {
  67         .leds           = gpio_leds,
  68         .num_leds       = ARRAY_SIZE(gpio_leds),
  69 };
  70
  71 static struct platform_device leds_gpio = {
  72         .name   = "leds-gpio",
  73         .id     = -1,
  74         .dev    = {
  75                 .platform_data  = &gpio_led_info,
  76         },
  77 };
  78
  79 static struct platform_device *panda_devices[] __initdata = {
  80         &leds_gpio,
  81 };
  82
  83 static void __init omap4_panda_init_early(void)
  84 {
  85         omap2_init_common_infrastructure();
  86         omap2_init_common_devices(NULL, NULL);
  87 }
  88
  89 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
  90         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
  91         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  92         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  93         .phy_reset  = false,
  94         .reset_gpio_port[0]  = -EINVAL,
  95         .reset_gpio_port[1]  = -EINVAL,
  96         .reset_gpio_port[2]  = -EINVAL
  97 };
  98
  99 static void __init omap4_ehci_init(void)
 100 {
 101         int ret;
 102         struct clk *phy_ref_clk;
 103
 104         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
 105         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
 106         if (IS_ERR(phy_ref_clk)) {
 107                 pr_err("Cannot request auxclk3\n");
 108                 goto error1;
 109         }
 110         clk_set_rate(phy_ref_clk, 19200000);
 111         clk_enable(phy_ref_clk);
 112
 113         /* disable the power to the usb hub prior to init */
 114         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
 115         if (ret) {
 116                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
 117                 goto error1;
 118         }
 119         gpio_export(GPIO_HUB_POWER, 0);
 120         gpio_direction_output(GPIO_HUB_POWER, 0);
 121         gpio_set_value(GPIO_HUB_POWER, 0);
 122
 123         /* reset phy+hub */
 124         ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
 125         if (ret) {
 126                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
 127                 goto error2;
 128         }
 129         gpio_export(GPIO_HUB_NRESET, 0);
 130         gpio_direction_output(GPIO_HUB_NRESET, 0);
 131         gpio_set_value(GPIO_HUB_NRESET, 0);
 132         gpio_set_value(GPIO_HUB_NRESET, 1);
 133
 134         usb_ehci_init(&ehci_pdata);
 135
 136         /* enable power to hub */
 137         gpio_set_value(GPIO_HUB_POWER, 1);
 138         return;
 139
 140 error2:
 141         gpio_free(GPIO_HUB_POWER);
 142 error1:
 143         pr_err("Unable to initialize EHCI power/reset\n");
 144         return;
 145
 146 }
 147
 148 static struct omap_musb_board_data musb_board_data = {
 149         .interface_type         = MUSB_INTERFACE_UTMI,
 150         .mode                   = MUSB_OTG,
 151         .power                  = 100,
 152 };
 153
 154 static struct twl4030_usb_data omap4_usbphy_data = {
 155         .phy_init       = omap4430_phy_init,
 156         .phy_exit       = omap4430_phy_exit,
 157         .phy_power      = omap4430_phy_power,
 158         .phy_set_clock  = omap4430_phy_set_clk,
 159 };
 160
 161 static struct omap2_hsmmc_info mmc[] = {
 162         {
 163                 .mmc            = 1,
 164                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 165                 .gpio_wp        = -EINVAL,
 166                 .gpio_cd        = -EINVAL,
 167         },
 168         {
 169                 .name           = "wl1271",
 170                 .mmc            = 5,
 171                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 172                 .gpio_wp        = -EINVAL,
 173                 .gpio_cd        = -EINVAL,
 174                 .ocr_mask       = MMC_VDD_165_195,
 175                 .nonremovable   = true,
 176         },
 177         {}      /* Terminator */
 178 };
 179
 180 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 181         {
 182                 .supply = "vmmc",
 183                 .dev_name = "omap_hsmmc.0",
 184         },
 185 };
 186
 187 static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
 188         .supply = "vmmc",
 189         .dev_name = "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 = 1,
 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_vaux1 = {
 273         .constraints = {
 274                 .min_uV                 = 1000000,
 275                 .max_uV                 = 3000000,
 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_vaux2 = {
 286         .constraints = {
 287                 .min_uV                 = 1200000,
 288                 .max_uV                 = 2800000,
 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 static struct regulator_init_data omap4_panda_vaux3 = {
 299         .constraints = {
 300                 .min_uV                 = 1000000,
 301                 .max_uV                 = 3000000,
 302                 .apply_uV               = true,
 303                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 304                                         | REGULATOR_MODE_STANDBY,
 305                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 306                                         | REGULATOR_CHANGE_MODE
 307                                         | REGULATOR_CHANGE_STATUS,
 308         },
 309 };
 310
 311 /* VMMC1 for MMC1 card */
 312 static struct regulator_init_data omap4_panda_vmmc = {
 313         .constraints = {
 314                 .min_uV                 = 1200000,
 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         .num_consumer_supplies  = 1,
 324         .consumer_supplies      = omap4_panda_vmmc_supply,
 325 };
 326
 327 static struct regulator_init_data omap4_panda_vpp = {
 328         .constraints = {
 329                 .min_uV                 = 1800000,
 330                 .max_uV                 = 2500000,
 331                 .apply_uV               = true,
 332                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 333                                         | REGULATOR_MODE_STANDBY,
 334                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 335                                         | REGULATOR_CHANGE_MODE
 336                                         | REGULATOR_CHANGE_STATUS,
 337         },
 338 };
 339
 340 static struct regulator_init_data omap4_panda_vusim = {
 341         .constraints = {
 342                 .min_uV                 = 1200000,
 343                 .max_uV                 = 2900000,
 344                 .apply_uV               = true,
 345                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 346                                         | REGULATOR_MODE_STANDBY,
 347                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 348                                         | REGULATOR_CHANGE_MODE
 349                                         | REGULATOR_CHANGE_STATUS,
 350         },
 351 };
 352
 353 static struct regulator_init_data omap4_panda_vana = {
 354         .constraints = {
 355                 .min_uV                 = 2100000,
 356                 .max_uV                 = 2100000,
 357                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 358                                         | REGULATOR_MODE_STANDBY,
 359                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 360                                         | REGULATOR_CHANGE_STATUS,
 361         },
 362 };
 363
 364 static struct regulator_init_data omap4_panda_vcxio = {
 365         .constraints = {
 366                 .min_uV                 = 1800000,
 367                 .max_uV                 = 1800000,
 368                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 369                                         | REGULATOR_MODE_STANDBY,
 370                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 371                                         | REGULATOR_CHANGE_STATUS,
 372         },
 373 };
 374
 375 static struct regulator_init_data omap4_panda_vdac = {
 376         .constraints = {
 377                 .min_uV                 = 1800000,
 378                 .max_uV                 = 1800000,
 379                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 380                                         | REGULATOR_MODE_STANDBY,
 381                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 382                                         | REGULATOR_CHANGE_STATUS,
 383         },
 384 };
 385
 386 static struct regulator_init_data omap4_panda_vusb = {
 387         .constraints = {
 388                 .min_uV                 = 3300000,
 389                 .max_uV                 = 3300000,
 390                 .apply_uV               = true,
 391                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 392                                         | REGULATOR_MODE_STANDBY,
 393                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 394                                         | REGULATOR_CHANGE_STATUS,
 395         },
 396 };
 397
 398 static struct twl4030_platform_data omap4_panda_twldata = {
 399         .irq_base       = TWL6030_IRQ_BASE,
 400         .irq_end        = TWL6030_IRQ_END,
 401
 402         /* Regulators */
 403         .vmmc           = &omap4_panda_vmmc,
 404         .vpp            = &omap4_panda_vpp,
 405         .vusim          = &omap4_panda_vusim,
 406         .vana           = &omap4_panda_vana,
 407         .vcxio          = &omap4_panda_vcxio,
 408         .vdac           = &omap4_panda_vdac,
 409         .vusb           = &omap4_panda_vusb,
 410         .vaux1          = &omap4_panda_vaux1,
 411         .vaux2          = &omap4_panda_vaux2,
 412         .vaux3          = &omap4_panda_vaux3,
 413         .usb            = &omap4_usbphy_data,
 414 };
 415
 416 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 417         {
 418                 I2C_BOARD_INFO("twl6030", 0x48),
 419                 .flags = I2C_CLIENT_WAKE,
 420                 .irq = OMAP44XX_IRQ_SYS_1N,
 421                 .platform_data = &omap4_panda_twldata,
 422         },
 423 };
 424 static int __init omap4_panda_i2c_init(void)
 425 {
 426         /*
 427          * Phoenix Audio IC needs I2C1 to
 428          * start with 400 KHz or less
 429          */
 430         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 431                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 432         omap_register_i2c_bus(2, 400, NULL, 0);
 433         omap_register_i2c_bus(3, 400, NULL, 0);
 434         omap_register_i2c_bus(4, 400, NULL, 0);
 435         return 0;
 436 }
 437
 438 #ifdef CONFIG_OMAP_MUX
 439 static struct omap_board_mux board_mux[] __initdata = {
 440         /* WLAN IRQ - GPIO 53 */
 441         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
 442         /* WLAN POWER ENABLE - GPIO 43 */
 443         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
 444         /* WLAN SDIO: MMC5 CMD */
 445         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 446         /* WLAN SDIO: MMC5 CLK */
 447         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 448         /* WLAN SDIO: MMC5 DAT[0-3] */
 449         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 450         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 451         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 452         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 453         { .reg_offset = OMAP_MUX_TERMINATOR },
 454 };
 455 #else
 456 #define board_mux       NULL
 457 #endif
 458
 459 static void __init omap4_panda_init(void)
 460 {
 461         int package = OMAP_PACKAGE_CBS;
 462
 463         if (omap_rev() == OMAP4430_REV_ES1_0)
 464                 package = OMAP_PACKAGE_CBL;
 465         omap4_mux_init(board_mux, package);
 466
 467         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
 468                 pr_err("error setting wl12xx data\n");
 469
 470         omap4_panda_i2c_init();
 471         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 472         platform_device_register(&omap_vwlan_device);
 473         omap_serial_init();
 474         omap4_twl6030_hsmmc_init(mmc);
 475         omap4_ehci_init();
 476         usb_musb_init(&musb_board_data);
 477 }
 478
 479 static void __init omap4_panda_map_io(void)
 480 {
 481         omap2_set_globals_443x();
 482         omap44xx_map_common_io();
 483 }
 484
 485 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 486         /* Maintainer: David Anders - Texas Instruments Inc */
 487         .boot_params    = 0x80000100,
 488         .reserve        = omap_reserve,
 489         .map_io         = omap4_panda_map_io,
 490         .init_early     = omap4_panda_init_early,
 491         .init_irq       = gic_init_irq,
 492         .init_machine   = omap4_panda_init,
 493         .timer          = &omap_timer,
 494 MACHINE_END