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