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_PERIPHERAL,
 138         .power                  = 100,
 139 };
 140
 141 static struct omap2_hsmmc_info mmc[] = {
 142         {
 143                 .mmc            = 1,
 144                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 145                 .gpio_wp        = -EINVAL,
 146                 .gpio_cd        = -EINVAL,
 147         },
 148         {}      /* Terminator */
 149 };
 150
 151 static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = {
 152         {
 153                 .supply = "vmmc",
 154                 .dev_name = "mmci-omap-hs.0",
 155         },
 156 };
 157
 158 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 159 {
 160         int ret = 0;
 161         struct platform_device *pdev = container_of(dev,
 162                                 struct platform_device, dev);
 163         struct omap_mmc_platform_data *pdata = dev->platform_data;
 164
 165         if (!pdata) {
 166                 dev_err(dev, "%s: NULL platform data\n", __func__);
 167                 return -EINVAL;
 168         }
 169         /* Setting MMC1 Card detect Irq */
 170         if (pdev->id == 0) {
 171                 ret = twl6030_mmc_card_detect_config();
 172                  if (ret)
 173                         dev_err(dev, "%s: Error card detect config(%d)\n",
 174                                 __func__, ret);
 175                  else
 176                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
 177         }
 178         return ret;
 179 }
 180
 181 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 182 {
 183         struct omap_mmc_platform_data *pdata;
 184
 185         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 186         if (!dev) {
 187                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
 188                 return;
 189         }
 190         pdata = dev->platform_data;
 191
 192         pdata->init =   omap4_twl6030_hsmmc_late_init;
 193 }
 194
 195 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 196 {
 197         struct omap2_hsmmc_info *c;
 198
 199         omap2_hsmmc_init(controllers);
 200         for (c = controllers; c->mmc; c++)
 201                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 202
 203         return 0;
 204 }
 205
 206 static struct regulator_init_data omap4_panda_vaux1 = {
 207         .constraints = {
 208                 .min_uV                 = 1000000,
 209                 .max_uV                 = 3000000,
 210                 .apply_uV               = true,
 211                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 212                                         | REGULATOR_MODE_STANDBY,
 213                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 214                                         | REGULATOR_CHANGE_MODE
 215                                         | REGULATOR_CHANGE_STATUS,
 216         },
 217 };
 218
 219 static struct regulator_init_data omap4_panda_vaux2 = {
 220         .constraints = {
 221                 .min_uV                 = 1200000,
 222                 .max_uV                 = 2800000,
 223                 .apply_uV               = true,
 224                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 225                                         | REGULATOR_MODE_STANDBY,
 226                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 227                                         | REGULATOR_CHANGE_MODE
 228                                         | REGULATOR_CHANGE_STATUS,
 229         },
 230 };
 231
 232 static struct regulator_init_data omap4_panda_vaux3 = {
 233         .constraints = {
 234                 .min_uV                 = 1000000,
 235                 .max_uV                 = 3000000,
 236                 .apply_uV               = true,
 237                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 238                                         | REGULATOR_MODE_STANDBY,
 239                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 240                                         | REGULATOR_CHANGE_MODE
 241                                         | REGULATOR_CHANGE_STATUS,
 242         },
 243 };
 244
 245 /* VMMC1 for MMC1 card */
 246 static struct regulator_init_data omap4_panda_vmmc = {
 247         .constraints = {
 248                 .min_uV                 = 1200000,
 249                 .max_uV                 = 3000000,
 250                 .apply_uV               = true,
 251                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 252                                         | REGULATOR_MODE_STANDBY,
 253                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 254                                         | REGULATOR_CHANGE_MODE
 255                                         | REGULATOR_CHANGE_STATUS,
 256         },
 257         .num_consumer_supplies  = 1,
 258         .consumer_supplies      = omap4_panda_vmmc_supply,
 259 };
 260
 261 static struct regulator_init_data omap4_panda_vpp = {
 262         .constraints = {
 263                 .min_uV                 = 1800000,
 264                 .max_uV                 = 2500000,
 265                 .apply_uV               = true,
 266                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 267                                         | REGULATOR_MODE_STANDBY,
 268                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 269                                         | REGULATOR_CHANGE_MODE
 270                                         | REGULATOR_CHANGE_STATUS,
 271         },
 272 };
 273
 274 static struct regulator_init_data omap4_panda_vusim = {
 275         .constraints = {
 276                 .min_uV                 = 1200000,
 277                 .max_uV                 = 2900000,
 278                 .apply_uV               = true,
 279                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 280                                         | REGULATOR_MODE_STANDBY,
 281                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 282                                         | REGULATOR_CHANGE_MODE
 283                                         | REGULATOR_CHANGE_STATUS,
 284         },
 285 };
 286
 287 static struct regulator_init_data omap4_panda_vana = {
 288         .constraints = {
 289                 .min_uV                 = 2100000,
 290                 .max_uV                 = 2100000,
 291                 .apply_uV               = true,
 292                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 293                                         | REGULATOR_MODE_STANDBY,
 294                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 295                                         | REGULATOR_CHANGE_STATUS,
 296         },
 297 };
 298
 299 static struct regulator_init_data omap4_panda_vcxio = {
 300         .constraints = {
 301                 .min_uV                 = 1800000,
 302                 .max_uV                 = 1800000,
 303                 .apply_uV               = true,
 304                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 305                                         | REGULATOR_MODE_STANDBY,
 306                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 307                                         | REGULATOR_CHANGE_STATUS,
 308         },
 309 };
 310
 311 static struct regulator_init_data omap4_panda_vdac = {
 312         .constraints = {
 313                 .min_uV                 = 1800000,
 314                 .max_uV                 = 1800000,
 315                 .apply_uV               = true,
 316                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 317                                         | REGULATOR_MODE_STANDBY,
 318                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 319                                         | REGULATOR_CHANGE_STATUS,
 320         },
 321 };
 322
 323 static struct regulator_init_data omap4_panda_vusb = {
 324         .constraints = {
 325                 .min_uV                 = 3300000,
 326                 .max_uV                 = 3300000,
 327                 .apply_uV               = true,
 328                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 329                                         | REGULATOR_MODE_STANDBY,
 330                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 331                                         | REGULATOR_CHANGE_STATUS,
 332         },
 333 };
 334
 335 static struct twl4030_platform_data omap4_panda_twldata = {
 336         .irq_base       = TWL6030_IRQ_BASE,
 337         .irq_end        = TWL6030_IRQ_END,
 338
 339         /* Regulators */
 340         .vmmc           = &omap4_panda_vmmc,
 341         .vpp            = &omap4_panda_vpp,
 342         .vusim          = &omap4_panda_vusim,
 343         .vana           = &omap4_panda_vana,
 344         .vcxio          = &omap4_panda_vcxio,
 345         .vdac           = &omap4_panda_vdac,
 346         .vusb           = &omap4_panda_vusb,
 347         .vaux1          = &omap4_panda_vaux1,
 348         .vaux2          = &omap4_panda_vaux2,
 349         .vaux3          = &omap4_panda_vaux3,
 350 };
 351
 352 static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
 353         {
 354                 I2C_BOARD_INFO("twl6030", 0x48),
 355                 .flags = I2C_CLIENT_WAKE,
 356                 .irq = OMAP44XX_IRQ_SYS_1N,
 357                 .platform_data = &omap4_panda_twldata,
 358         },
 359 };
 360 static int __init omap4_panda_i2c_init(void)
 361 {
 362         /*
 363          * Phoenix Audio IC needs I2C1 to
 364          * start with 400 KHz or less
 365          */
 366         omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
 367                         ARRAY_SIZE(omap4_panda_i2c_boardinfo));
 368         omap_register_i2c_bus(2, 400, NULL, 0);
 369         omap_register_i2c_bus(3, 400, NULL, 0);
 370         omap_register_i2c_bus(4, 400, NULL, 0);
 371         return 0;
 372 }
 373
 374 #ifdef CONFIG_OMAP_MUX
 375 static struct omap_board_mux board_mux[] __initdata = {
 376         { .reg_offset = OMAP_MUX_TERMINATOR },
 377 };
 378 #else
 379 #define board_mux       NULL
 380 #endif
 381
 382 static void __init omap4_panda_init(void)
 383 {
 384         int package = OMAP_PACKAGE_CBS;
 385
 386         if (omap_rev() == OMAP4430_REV_ES1_0)
 387                 package = OMAP_PACKAGE_CBL;
 388         omap4_mux_init(board_mux, package);
 389
 390         omap4_panda_i2c_init();
 391         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
 392         omap_serial_init();
 393         omap4_twl6030_hsmmc_init(mmc);
 394         /* OMAP4 Panda uses internal transceiver so register nop transceiver */
 395         usb_nop_xceiv_register();
 396         omap4_ehci_init();
 397         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 398         if (!cpu_is_omap44xx())
 399                 usb_musb_init(&musb_board_data);
 400 }
 401
 402 static void __init omap4_panda_map_io(void)
 403 {
 404         omap2_set_globals_443x();
 405         omap44xx_map_common_io();
 406 }
 407
 408 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
 409         /* Maintainer: David Anders - Texas Instruments Inc */
 410         .boot_params    = 0x80000100,
 411         .reserve        = omap_reserve,
 412         .map_io         = omap4_panda_map_io,
 413         .init_irq       = omap4_panda_init_irq,
 414         .init_machine   = omap4_panda_init,
 415         .timer          = &omap_timer,
 416 MACHINE_END