arch/arm/mach-omap2/board-4430sdp.c

   1 /*
   2  * Board support file for OMAP4430 SDP.
   3  *
   4  * Copyright (C) 2009 Texas Instruments
   5  *
   6  * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
   7  *
   8  * Based on mach-omap2/board-3430sdp.c
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/io.h>
  19 #include <linux/gpio.h>
  20 #include <linux/usb/otg.h>
  21 #include <linux/spi/spi.h>
  22 #include <linux/i2c/twl.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/regulator/machine.h>
  25 #include <linux/leds.h>
  26
  27 #include <mach/hardware.h>
  28 #include <mach/omap4-common.h>
  29 #include <asm/mach-types.h>
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32
  33 #include <plat/board.h>
  34 #include <plat/common.h>
  35 #include <plat/control.h>
  36 #include <plat/timer-gp.h>
  37 #include <plat/usb.h>
  38 #include <plat/mmc.h>
  39 #include "hsmmc.h"
  40
  41 #define ETH_KS8851_IRQ                  34
  42 #define ETH_KS8851_POWER_ON             48
  43 #define ETH_KS8851_QUART                138
  44 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO        184
  45 #define OMAP4_SFH7741_ENABLE_GPIO               188
  46
  47 static struct gpio_led sdp4430_gpio_leds[] = {
  48         {
  49                 .name   = "omap4:green:debug0",
  50                 .gpio   = 61,
  51         },
  52         {
  53                 .name   = "omap4:green:debug1",
  54                 .gpio   = 30,
  55         },
  56         {
  57                 .name   = "omap4:green:debug2",
  58                 .gpio   = 7,
  59         },
  60         {
  61                 .name   = "omap4:green:debug3",
  62                 .gpio   = 8,
  63         },
  64         {
  65                 .name   = "omap4:green:debug4",
  66                 .gpio   = 50,
  67         },
  68         {
  69                 .name   = "omap4:blue:user",
  70                 .gpio   = 169,
  71         },
  72         {
  73                 .name   = "omap4:red:user",
  74                 .gpio   = 170,
  75         },
  76         {
  77                 .name   = "omap4:green:user",
  78                 .gpio   = 139,
  79         },
  80
  81 };
  82
  83 static struct gpio_keys_button sdp4430_gpio_keys[] = {
  84         {
  85                 .desc                   = "Proximity Sensor",
  86                 .type                   = EV_SW,
  87                 .code                   = SW_FRONT_PROXIMITY,
  88                 .gpio                   = OMAP4_SFH7741_SENSOR_OUTPUT_GPIO,
  89                 .active_low             = 0,
  90         }
  91 };
  92
  93 static struct gpio_led_platform_data sdp4430_led_data = {
  94         .leds   = sdp4430_gpio_leds,
  95         .num_leds       = ARRAY_SIZE(sdp4430_gpio_leds),
  96 };
  97
  98 static int omap_prox_activate(struct device *dev)
  99 {
 100         gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 1);
 101         return 0;
 102 }
 103
 104 static void omap_prox_deactivate(struct device *dev)
 105 {
 106         gpio_set_value(OMAP4_SFH7741_ENABLE_GPIO , 0);
 107 }
 108
 109 static struct gpio_keys_platform_data sdp4430_gpio_keys_data = {
 110         .buttons        = sdp4430_gpio_keys,
 111         .nbuttons       = ARRAY_SIZE(sdp4430_gpio_keys),
 112         .enable         = omap_prox_activate,
 113         .disable        = omap_prox_deactivate,
 114 };
 115
 116 static struct platform_device sdp4430_gpio_keys_device = {
 117         .name   = "gpio-keys",
 118         .id     = -1,
 119         .dev    = {
 120                 .platform_data  = &sdp4430_gpio_keys_data,
 121         },
 122 };
 123
 124 static struct platform_device sdp4430_leds_gpio = {
 125         .name   = "leds-gpio",
 126         .id     = -1,
 127         .dev    = {
 128                 .platform_data = &sdp4430_led_data,
 129         },
 130 };
 131 static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
 132         {
 133                 .modalias               = "ks8851",
 134                 .bus_num                = 1,
 135                 .chip_select            = 0,
 136                 .max_speed_hz           = 24000000,
 137                 .irq                    = ETH_KS8851_IRQ,
 138         },
 139 };
 140
 141 static int omap_ethernet_init(void)
 142 {
 143         int status;
 144
 145         /* Request of GPIO lines */
 146
 147         status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
 148         if (status) {
 149                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
 150                 return status;
 151         }
 152
 153         status = gpio_request(ETH_KS8851_QUART, "quart");
 154         if (status) {
 155                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
 156                 goto error1;
 157         }
 158
 159         status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
 160         if (status) {
 161                 pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
 162                 goto error2;
 163         }
 164
 165         /* Configuration of requested GPIO lines */
 166
 167         status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
 168         if (status) {
 169                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
 170                 goto error3;
 171         }
 172
 173         status = gpio_direction_output(ETH_KS8851_QUART, 1);
 174         if (status) {
 175                 pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
 176                 goto error3;
 177         }
 178
 179         status = gpio_direction_input(ETH_KS8851_IRQ);
 180         if (status) {
 181                 pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
 182                 goto error3;
 183         }
 184
 185         return 0;
 186
 187 error3:
 188         gpio_free(ETH_KS8851_IRQ);
 189 error2:
 190         gpio_free(ETH_KS8851_QUART);
 191 error1:
 192         gpio_free(ETH_KS8851_POWER_ON);
 193         return status;
 194 }
 195
 196 static struct platform_device sdp4430_lcd_device = {
 197         .name           = "sdp4430_lcd",
 198         .id             = -1,
 199 };
 200
 201 static struct platform_device *sdp4430_devices[] __initdata = {
 202         &sdp4430_lcd_device,
 203         &sdp4430_gpio_keys_device,
 204         &sdp4430_leds_gpio,
 205 };
 206
 207 static struct omap_lcd_config sdp4430_lcd_config __initdata = {
 208         .ctrl_name      = "internal",
 209 };
 210
 211 static struct omap_board_config_kernel sdp4430_config[] __initdata = {
 212         { OMAP_TAG_LCD,         &sdp4430_lcd_config },
 213 };
 214
 215 static void __init omap_4430sdp_init_irq(void)
 216 {
 217         omap_board_config = sdp4430_config;
 218         omap_board_config_size = ARRAY_SIZE(sdp4430_config);
 219         omap2_init_common_hw(NULL, NULL);
 220 #ifdef CONFIG_OMAP_32K_TIMER
 221         omap2_gp_clockevent_set_gptimer(1);
 222 #endif
 223         gic_init_irq();
 224         omap_gpio_init();
 225 }
 226
 227 static struct omap_musb_board_data musb_board_data = {
 228         .interface_type         = MUSB_INTERFACE_UTMI,
 229         .mode                   = MUSB_PERIPHERAL,
 230         .power                  = 100,
 231 };
 232
 233 static struct omap2_hsmmc_info mmc[] = {
 234         {
 235                 .mmc            = 1,
 236                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 237                 .gpio_wp        = -EINVAL,
 238         },
 239         {
 240                 .mmc            = 2,
 241                 .caps           =  MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
 242                 .gpio_cd        = -EINVAL,
 243                 .gpio_wp        = -EINVAL,
 244                 .nonremovable   = true,
 245         },
 246         {}      /* Terminator */
 247 };
 248
 249 static struct regulator_consumer_supply sdp4430_vaux_supply[] = {
 250         {
 251                 .supply = "vmmc",
 252                 .dev_name = "mmci-omap-hs.1",
 253         },
 254 };
 255 static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
 256         {
 257                 .supply = "vmmc",
 258                 .dev_name = "mmci-omap-hs.0",
 259         },
 260 };
 261
 262 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
 263 {
 264         int ret = 0;
 265         struct platform_device *pdev = container_of(dev,
 266                                 struct platform_device, dev);
 267         struct omap_mmc_platform_data *pdata = dev->platform_data;
 268
 269         /* Setting MMC1 Card detect Irq */
 270         if (pdev->id == 0)
 271                 pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
 272                                                 MMCDETECT_INTR_OFFSET;
 273         return ret;
 274 }
 275
 276 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
 277 {
 278         struct omap_mmc_platform_data *pdata;
 279
 280         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
 281         if (!dev) {
 282                 pr_err("Failed %s\n", __func__);
 283                 return;
 284         }
 285         pdata = dev->platform_data;
 286         pdata->init =   omap4_twl6030_hsmmc_late_init;
 287 }
 288
 289 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
 290 {
 291         struct omap2_hsmmc_info *c;
 292
 293         omap2_hsmmc_init(controllers);
 294         for (c = controllers; c->mmc; c++)
 295                 omap4_twl6030_hsmmc_set_late_init(c->dev);
 296
 297         return 0;
 298 }
 299
 300 static struct regulator_init_data sdp4430_vaux1 = {
 301         .constraints = {
 302                 .min_uV                 = 1000000,
 303                 .max_uV                 = 3000000,
 304                 .apply_uV               = true,
 305                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 306                                         | REGULATOR_MODE_STANDBY,
 307                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 308                                         | REGULATOR_CHANGE_MODE
 309                                         | REGULATOR_CHANGE_STATUS,
 310         },
 311         .num_consumer_supplies  = 1,
 312         .consumer_supplies      = sdp4430_vaux_supply,
 313 };
 314
 315 static struct regulator_init_data sdp4430_vaux2 = {
 316         .constraints = {
 317                 .min_uV                 = 1200000,
 318                 .max_uV                 = 2800000,
 319                 .apply_uV               = true,
 320                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 321                                         | REGULATOR_MODE_STANDBY,
 322                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 323                                         | REGULATOR_CHANGE_MODE
 324                                         | REGULATOR_CHANGE_STATUS,
 325         },
 326 };
 327
 328 static struct regulator_init_data sdp4430_vaux3 = {
 329         .constraints = {
 330                 .min_uV                 = 1000000,
 331                 .max_uV                 = 3000000,
 332                 .apply_uV               = true,
 333                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 334                                         | REGULATOR_MODE_STANDBY,
 335                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 336                                         | REGULATOR_CHANGE_MODE
 337                                         | REGULATOR_CHANGE_STATUS,
 338         },
 339 };
 340
 341 /* VMMC1 for MMC1 card */
 342 static struct regulator_init_data sdp4430_vmmc = {
 343         .constraints = {
 344                 .min_uV                 = 1200000,
 345                 .max_uV                 = 3000000,
 346                 .apply_uV               = true,
 347                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 348                                         | REGULATOR_MODE_STANDBY,
 349                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 350                                         | REGULATOR_CHANGE_MODE
 351                                         | REGULATOR_CHANGE_STATUS,
 352         },
 353         .num_consumer_supplies  = 1,
 354         .consumer_supplies      = sdp4430_vmmc_supply,
 355 };
 356
 357 static struct regulator_init_data sdp4430_vpp = {
 358         .constraints = {
 359                 .min_uV                 = 1800000,
 360                 .max_uV                 = 2500000,
 361                 .apply_uV               = true,
 362                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 363                                         | REGULATOR_MODE_STANDBY,
 364                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 365                                         | REGULATOR_CHANGE_MODE
 366                                         | REGULATOR_CHANGE_STATUS,
 367         },
 368 };
 369
 370 static struct regulator_init_data sdp4430_vusim = {
 371         .constraints = {
 372                 .min_uV                 = 1200000,
 373                 .max_uV                 = 2900000,
 374                 .apply_uV               = true,
 375                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 376                                         | REGULATOR_MODE_STANDBY,
 377                 .valid_ops_mask  = REGULATOR_CHANGE_VOLTAGE
 378                                         | REGULATOR_CHANGE_MODE
 379                                         | REGULATOR_CHANGE_STATUS,
 380         },
 381 };
 382
 383 static struct regulator_init_data sdp4430_vana = {
 384         .constraints = {
 385                 .min_uV                 = 2100000,
 386                 .max_uV                 = 2100000,
 387                 .apply_uV               = true,
 388                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 389                                         | REGULATOR_MODE_STANDBY,
 390                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 391                                         | REGULATOR_CHANGE_STATUS,
 392         },
 393 };
 394
 395 static struct regulator_init_data sdp4430_vcxio = {
 396         .constraints = {
 397                 .min_uV                 = 1800000,
 398                 .max_uV                 = 1800000,
 399                 .apply_uV               = true,
 400                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 401                                         | REGULATOR_MODE_STANDBY,
 402                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 403                                         | REGULATOR_CHANGE_STATUS,
 404         },
 405 };
 406
 407 static struct regulator_init_data sdp4430_vdac = {
 408         .constraints = {
 409                 .min_uV                 = 1800000,
 410                 .max_uV                 = 1800000,
 411                 .apply_uV               = true,
 412                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 413                                         | REGULATOR_MODE_STANDBY,
 414                 .valid_ops_mask  = REGULATOR_CHANGE_MODE
 415                                         | REGULATOR_CHANGE_STATUS,
 416         },
 417 };
 418
 419 static struct regulator_init_data sdp4430_vusb = {
 420         .constraints = {
 421                 .min_uV                 = 3300000,
 422                 .max_uV                 = 3300000,
 423                 .apply_uV               = true,
 424                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 425                                         | REGULATOR_MODE_STANDBY,
 426                 .valid_ops_mask  =      REGULATOR_CHANGE_MODE
 427                                         | REGULATOR_CHANGE_STATUS,
 428         },
 429 };
 430
 431 static struct twl4030_platform_data sdp4430_twldata = {
 432         .irq_base       = TWL6030_IRQ_BASE,
 433         .irq_end        = TWL6030_IRQ_END,
 434
 435         /* Regulators */
 436         .vmmc           = &sdp4430_vmmc,
 437         .vpp            = &sdp4430_vpp,
 438         .vusim          = &sdp4430_vusim,
 439         .vana           = &sdp4430_vana,
 440         .vcxio          = &sdp4430_vcxio,
 441         .vdac           = &sdp4430_vdac,
 442         .vusb           = &sdp4430_vusb,
 443         .vaux1          = &sdp4430_vaux1,
 444         .vaux2          = &sdp4430_vaux2,
 445         .vaux3          = &sdp4430_vaux3,
 446 };
 447
 448 static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
 449         {
 450                 I2C_BOARD_INFO("twl6030", 0x48),
 451                 .flags = I2C_CLIENT_WAKE,
 452                 .irq = OMAP44XX_IRQ_SYS_1N,
 453                 .platform_data = &sdp4430_twldata,
 454         },
 455 };
 456 static struct i2c_board_info __initdata sdp4430_i2c_3_boardinfo[] = {
 457         {
 458                 I2C_BOARD_INFO("tmp105", 0x48),
 459         },
 460 };
 461 static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
 462         {
 463                 I2C_BOARD_INFO("hmc5843", 0x1e),
 464         },
 465 };
 466 static int __init omap4_i2c_init(void)
 467 {
 468         /*
 469          * Phoenix Audio IC needs I2C1 to
 470          * start with 400 KHz or less
 471          */
 472         omap_register_i2c_bus(1, 400, sdp4430_i2c_boardinfo,
 473                         ARRAY_SIZE(sdp4430_i2c_boardinfo));
 474         omap_register_i2c_bus(2, 400, NULL, 0);
 475         omap_register_i2c_bus(3, 400, sdp4430_i2c_3_boardinfo,
 476                                 ARRAY_SIZE(sdp4430_i2c_3_boardinfo));
 477         omap_register_i2c_bus(4, 400, sdp4430_i2c_4_boardinfo,
 478                                 ARRAY_SIZE(sdp4430_i2c_4_boardinfo));
 479         return 0;
 480 }
 481
 482 static void __init omap_sfh7741prox_init(void)
 483 {
 484         int  error;
 485
 486         error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
 487         if (error < 0) {
 488                 pr_err("%s:failed to request GPIO %d, error %d\n",
 489                         __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
 490                 return;
 491         }
 492
 493         error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 0);
 494         if (error < 0) {
 495                 pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",
 496                          __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
 497                 gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
 498         }
 499 }
 500
 501 static void __init omap_4430sdp_init(void)
 502 {
 503         int status;
 504
 505         omap4_i2c_init();
 506         omap_sfh7741prox_init();
 507         platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
 508         omap_serial_init();
 509         omap4_twl6030_hsmmc_init(mmc);
 510         /* OMAP4 SDP uses internal transceiver so register nop transceiver */
 511         usb_nop_xceiv_register();
 512         /* FIXME: allow multi-omap to boot until musb is updated for omap4 */
 513         if (!cpu_is_omap44xx())
 514                 usb_musb_init(&musb_board_data);
 515
 516         status = omap_ethernet_init();
 517         if (status) {
 518                 pr_err("Ethernet initialization failed: %d\n", status);
 519         } else {
 520                 sdp4430_spi_board_info[0].irq = gpio_to_irq(ETH_KS8851_IRQ);
 521                 spi_register_board_info(sdp4430_spi_board_info,
 522                                 ARRAY_SIZE(sdp4430_spi_board_info));
 523         }
 524 }
 525
 526 static void __init omap_4430sdp_map_io(void)
 527 {
 528         omap2_set_globals_443x();
 529         omap44xx_map_common_io();
 530 }
 531
 532 MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
 533         /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
 534         .phys_io        = 0x48000000,
 535         .io_pg_offst    = ((0xfa000000) >> 18) & 0xfffc,
 536         .boot_params    = 0x80000100,
 537         .map_io         = omap_4430sdp_map_io,
 538         .reserve        = omap_reserve,
 539         .init_irq       = omap_4430sdp_init_irq,
 540         .init_machine   = omap_4430sdp_init,
 541         .timer          = &omap_timer,
 542 MACHINE_END