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/io.h>
  23 #include <linux/leds.h>
  24 #include <linux/gpio.h>
  25 #include <linux/usb/otg.h>
  26 #include <linux/i2c/twl.h>
  27 #include <linux/regulator/machine.h>
  28
  29 #include <mach/hardware.h>
  30 #include <mach/omap4-common.h>
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34
  35 #include <plat/board.h>
  36 #include <plat/common.h>
  37 #include <plat/usb.h>
  38 #include <plat/mmc.h>
  39 #include "timer-gp.h"
  40
  41 #include "hsmmc.h"
  42 #include "control.h"
  43 #include "mux.h"
  44
  45 #define GPIO_HUB_POWER          1
  46 #define GPIO_HUB_NRESET         62
  47
  48 static struct gpio_led gpio_leds[] = {
  49         {
  50                 .name                   = "pandaboard::status1",
  51                 .default_trigger        = "heartbeat",
  52                 .gpio                   = 7,
  53         },
  54         {
  55                 .name                   = "pandaboard::status2",
  56                 .default_trigger        = "mmc0",
  57                 .gpio                   = 8,
  58         },
  59 };
  60
  61 static struct gpio_led_platform_data gpio_led_info = {
  62         .leds           = gpio_leds,
  63         .num_leds       = ARRAY_SIZE(gpio_leds),
  64 };
  65
  66 static struct platform_device leds_gpio = {
  67         .name   = "leds-gpio",
  68         .id     = -1,
  69         .dev    = {
  70                 .platform_data  = &gpio_led_info,
  71         },
  72 };
  73
  74 static struct platform_device *panda_devices[] __initdata = {
  75         &leds_gpio,
  76 };
  77
  78 static void __init omap4_panda_init_irq(void)
  79 {
  80         omap2_init_common_infrastructure();
  81         omap2_init_common_devices(NULL, NULL);
  82         gic_init_irq();
  83 }
  84
  85 static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
  86         .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
  87         .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  88         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  89         .phy_reset  = false,
  90         .reset_gpio_port[0]  = -EINVAL,
  91         .reset_gpio_port[1]  = -EINVAL,
  92         .reset_gpio_port[2]  = -EINVAL
  93 };
  94
  95 static void __init omap4_ehci_init(void)
  96 {
  97         int ret;
  98
  99
 100         /* disable the power to the usb hub prior to init */
 101         ret = gpio_request(GPIO_HUB_POWER, "hub_power");
 102         if (ret) {
 103                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
 104                 goto error1;
 105         }
 106         gpio_export(GPIO_HUB_POWER, 0);
 107         gpio_direction_output(GPIO_HUB_POWER, 0);
 108         gpio_set_value(GPIO_HUB_POWER, 0);
 109
 110         /* reset phy+hub */
 111         ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
 112         if (ret) {
 113                 pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
 114                 goto error2;
 115         }
 116         gpio_export(GPIO_HUB_NRESET, 0);
 117         gpio_direction_output(GPIO_HUB_NRESET, 0);
 118         gpio_set_value(GPIO_HUB_NRESET, 0);
 119         gpio_set_value(GPIO_HUB_NRESET, 1);
 120
 121         usb_ehci_init(&ehci_pdata);
 122
 123         /* enable power to hub */
 124         gpio_set_value(GPIO_HUB_POWER, 1);
 125         return;
 126
 127 error2:
 128         gpio_free(GPIO_HUB_POWER);
 129 error1:
 130         pr_err("Unable to initialize EHCI power/reset\n");
 131         return;
 132
 133 }
 134
 135 static struct omap_musb_board_data musb_board_data = {
 136         .interface_type         = MUSB_INTERFACE_UTMI,
 137         .mode                   = MUSB_OTG,
 138         .power                  = 100,
 139 };
 140
 141 static struct twl4030_usb_data omap4_usbphy_data = {
 142         .phy_init       = omap4430_phy_init,
 143         .phy_exit       = omap4430_phy_exit,
 144         .phy_power      = omap4430_phy_power,
 145         .phy_set_clock  = omap4430_phy_set_clk,
 146 };
 147
 148 static struct omap2_hsmmc_info mmc[] = {
 149         {
 150                 .mmc            = 1,
 151                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 152                 .gpio_wp        = -EINVAL,
 153                 .gpio_cd        = -EINVAL,
 154         },
 155         {}      /* Terminator */
 156 };
 157
 158 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 159         {
 160                 .supply = "vmmc",
 161                 .dev_name = "mmci-omap-hs.0",
 162         },
 163 };
 164
 165 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 166 {
 167         int ret = 0;
 168         struct platform_device *pdev = container_of(dev,
 169                                 struct platform_device, dev);
 170         struct omap_mmc_platform_data *pdata = dev->platform_data;
 171
 172         if (!pdata) {
 173                 dev_err(dev, "%s: NULL platform data\n", __func__);
 174                 return -EINVAL;
 175         }
 176         /* Setting MMC1 Card detect Irq */
 177         if (pdev->id == 0) {
 178                 ret = twl6030_mmc_card_detect_config();
 179                  if (ret)
 180                         dev_err(dev, "%s: Error card detect config(%d)\n",
 181                                 __func__, ret);
 182                  else
 183                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 184         }
 185         return ret;
 186 }
 187
 188 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 189 {
 190         struct omap_mmc_platform_data *pdata;
 191
 192         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 193         if (!dev) {
 194                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 195                 return;
 196         }
 197         pdata = dev->platform_data;
 198
 199         pdata->init =   omap4_twl6030_hsmmc_late_init;
 200 }
 201
 202 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 203 {
 204         struct omap2_hsmmc_info *c;
 205
 206         omap2_hsmmc_init(controllers);
 207         for (c = controllers; c->mmc; c++)
 208                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 209
 210         return 0;
 211 }
 212
 213 static struct regulator_init_data omap4_panda_vaux1 = {
 214         .constraints = {
 215                 .min_uV                 = 1000000,
 216                 .max_uV                 = 3000000,
 217                 .apply_uV               = true,
 218                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 219                                         | REGULATOR_MODE_STANDBY,
 220                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 221                                         | REGULATOR_CHANGE_MODE
 222                                         | REGULATOR_CHANGE_STATUS,
 223         },
 224 };
 225
 226 static struct regulator_init_data omap4_panda_vaux2 = {
 227         .constraints = {
 228                 .min_uV                 = 1200000,
 229                 .max_uV                 = 2800000,
 230                 .apply_uV               = true,
 231                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 232                                         | REGULATOR_MODE_STANDBY,
 233                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 234                                         | REGULATOR_CHANGE_MODE
 235                                         | REGULATOR_CHANGE_STATUS,
 236         },
 237 };
 238
 239 static struct regulator_init_data omap4_panda_vaux3 = {
 240         .constraints = {
 241                 .min_uV                 = 1000000,
 242                 .max_uV                 = 3000000,
 243                 .apply_uV               = true,
 244                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 245                                         | REGULATOR_MODE_STANDBY,
 246                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 247                                         | REGULATOR_CHANGE_MODE
 248                                         | REGULATOR_CHANGE_STATUS,
 249         },
 250 };
 251
 252 /* VMMC1 for MMC1 card */
 253 static struct regulator_init_data omap4_panda_vmmc = {
 254         .constraints = {
 255                 .min_uV                 = 1200000,
 256                 .max_uV                 = 3000000,
 257                 .apply_uV               = true,
 258                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 259                                         | REGULATOR_MODE_STANDBY,
 260                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 261                                         | REGULATOR_CHANGE_MODE
 262                                         | REGULATOR_CHANGE_STATUS,
 263         },
 264         .num_consumer_supplies  = 1,
 265         .consumer_supplies      = omap4_panda_vmmc_supply,
 266 };
 267
 268 static struct regulator_init_data omap4_panda_vpp = {
 269         .constraints = {
 270                 .min_uV                 = 1800000,
 271                 .max_uV                 = 2500000,
 272                 .apply_uV               = true,
 273                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 274                                         | REGULATOR_MODE_STANDBY,
 275                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 276                                         | REGULATOR_CHANGE_MODE
 277                                         | REGULATOR_CHANGE_STATUS,
 278         },
 279 };
 280
 281 static struct regulator_init_data omap4_panda_vusim = {
 282         .constraints = {
 283                 .min_uV                 = 1200000,
 284                 .max_uV                 = 2900000,
 285                 .apply_uV               = true,
 286                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 287                                         | REGULATOR_MODE_STANDBY,
 288                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 289                                         | REGULATOR_CHANGE_MODE
 290                                         | REGULATOR_CHANGE_STATUS,
 291         },
 292 };
 293
 294 static struct regulator_init_data omap4_panda_vana = {
 295         .constraints = {
 296                 .min_uV                 = 2100000,
 297                 .max_uV                 = 2100000,
 298                 .apply_uV               = true,
 299                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 300                                         | REGULATOR_MODE_STANDBY,
 301                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 302                                         | REGULATOR_CHANGE_STATUS,
 303         },
 304 };
 305
 306 static struct regulator_init_data omap4_panda_vcxio = {
 307         .constraints = {
 308                 .min_uV                 = 1800000,
 309                 .max_uV                 = 1800000,
 310                 .apply_uV               = true,
 311                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 312                                         | REGULATOR_MODE_STANDBY,
 313                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 314                                         | REGULATOR_CHANGE_STATUS,
 315         },
 316 };
 317
 318 static struct regulator_init_data omap4_panda_vdac = {
 319         .constraints = {
 320                 .min_uV                 = 1800000,
 321                 .max_uV                 = 1800000,
 322                 .apply_uV               = true,
 323                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 324                                         | REGULATOR_MODE_STANDBY,
 325                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 326                                         | REGULATOR_CHANGE_STATUS,
 327         },
 328 };
 329
 330 static struct regulator_init_data omap4_panda_vusb = {
 331         .constraints = {
 332                 .min_uV                 = 3300000,
 333                 .max_uV                 = 3300000,
 334                 .apply_uV               = true,
 335                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 336                                         | REGULATOR_MODE_STANDBY,
 337                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 338                                         | REGULATOR_CHANGE_STATUS,
 339         },
 340 };
 341
 342 static struct twl4030_platform_data omap4_panda_twldata = {
 343         .irq_base       = TWL6030_IRQ_BASE,
 344         .irq_end        = TWL6030_IRQ_END,
 345
 346         /* Regulators */
 347         .vmmc           = &omap4_panda_vmmc,
 348         .vpp            = &omap4_panda_vpp,
 349         .vusim          = &omap4_panda_vusim,
 350         .vana           = &omap4_panda_vana,
 351         .vcxio          = &omap4_panda_vcxio,
 352         .vdac           = &omap4_panda_vdac,
 353         .vusb           = &omap4_panda_vusb,
 354         .vaux1          = &omap4_panda_vaux1,
 355         .vaux2          = &omap4_panda_vaux2,
 356         .vaux3          = &omap4_panda_vaux3,
 357         .usb            = &omap4_usbphy_data,
 358 };
 359
 360 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 361         {
 362                 I2C_BOARD_INFO("twl6030", 0x48),
 363                 .flags = I2C_CLIENT_WAKE,
 364                 .irq = OMAP44XX_IRQ_SYS_1N,
 365                 .platform_data = &omap4_panda_twldata,
 366         },
 367 };
 368 static int __init omap4_panda_i2c_init(void)
 369 {
 370         /*
 371          * Phoenix Audio IC needs I2C1 to
 372          * start with 400 KHz or less
 373          */
 374         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 375                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 376         omap_register_i2c_bus(2, 400, NULL, 0);
 377         omap_register_i2c_bus(3, 400, NULL, 0);
 378         omap_register_i2c_bus(4, 400, NULL, 0);
 379         return 0;
 380 }
 381
 382 #ifdef CONFIG_OMAP_MUX
 383 static struct omap_board_mux board_mux[] __initdata = {
 384         { .reg_offset = OMAP_MUX_TERMINATOR },
 385 };
 386 #else
 387 #define board_mux       NULL
 388 #endif
 389
 390 static void __init omap4_panda_init(void)
 391 {
 392         int package = OMAP_PACKAGE_CBS;
 393
 394         if (omap_rev() == OMAP4430_REV_ES1_0)
 395                 package = OMAP_PACKAGE_CBL;
 396         omap4_mux_init(board_mux, package);
 397
 398         omap4_panda_i2c_init();
 399         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 400         omap_serial_init();
 401         omap4_twl6030_hsmmc_init(mmc);
 402         /* OMAP4 Panda uses internal transceiver so register nop transceiver */
 403         usb_nop_xceiv_register();
 404         omap4_ehci_init();
 405         usb_musb_init(&musb_board_data);
 406 }
 407
 408 static void __init omap4_panda_map_io(void)
 409 {
 410         omap2_set_globals_443x();
 411         omap44xx_map_common_io();
 412 }
 413
 414 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 415         /* Maintainer: David Anders - Texas Instruments Inc */
 416         .boot_params    = 0x80000100,
 417         .reserve        = omap_reserve,
 418         .map_io         = omap4_panda_map_io,
 419         .init_irq       = omap4_panda_init_irq,
 420         .init_machine   = omap4_panda_init,
 421         .timer          = &omap_timer,
 422 MACHINE_END