arch/arm/mach-omap2/board-omap3evm.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-omap3evm.c
   3  *
   4  * Copyright (C) 2008 Texas Instruments
   5  *
   6  * Modified from mach-omap2/board-3430sdp.c
   7  *
   8  * Initial code: Syed Mohammed Khasim
   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/delay.h>
  19 #include <linux/err.h>
  20 #include <linux/clk.h>
  21 #include <linux/gpio.h>
  22 #include <linux/input.h>
  23 #include <linux/input/matrix_keypad.h>
  24 #include <linux/leds.h>
  25 #include <linux/interrupt.h>
  26
  27 #include <linux/spi/spi.h>
  28 #include <linux/spi/ads7846.h>
  29 #include <linux/i2c/twl.h>
  30 #include <linux/usb/otg.h>
  31 #include <linux/smsc911x.h>
  32
  33 #include <linux/wl12xx.h>
  34 #include <linux/regulator/fixed.h>
  35 #include <linux/regulator/machine.h>
  36 #include <linux/mmc/host.h>
  37
  38 #include <mach/hardware.h>
  39 #include <asm/mach-types.h>
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42
  43 #include <plat/board.h>
  44 #include <plat/usb.h>
  45 #include <plat/common.h>
  46 #include <plat/mcspi.h>
  47 #include <plat/display.h>
  48 #include <plat/panel-generic-dpi.h>
  49
  50 #include "mux.h"
  51 #include "sdram-micron-mt46h32m32lf-6.h"
  52 #include "hsmmc.h"
  53
  54 #define OMAP3_EVM_TS_GPIO       175
  55 #define OMAP3_EVM_EHCI_VBUS     22
  56 #define OMAP3_EVM_EHCI_SELECT   61
  57
  58 #define OMAP3EVM_ETHR_START     0x2c000000
  59 #define OMAP3EVM_ETHR_SIZE      1024
  60 #define OMAP3EVM_ETHR_ID_REV    0x50
  61 #define OMAP3EVM_ETHR_GPIO_IRQ  176
  62 #define OMAP3EVM_SMSC911X_CS    5
  63 /*
  64  * Eth Reset signal
  65  *      64 = Generation 1 (<=RevD)
  66  *      7 = Generation 2 (>=RevE)
  67  */
  68 #define OMAP3EVM_GEN1_ETHR_GPIO_RST     64
  69 #define OMAP3EVM_GEN2_ETHR_GPIO_RST     7
  70
  71 static u8 omap3_evm_version;
  72
  73 u8 get_omap3_evm_rev(void)
  74 {
  75         return omap3_evm_version;
  76 }
  77 EXPORT_SYMBOL(get_omap3_evm_rev);
  78
  79 static void __init omap3_evm_get_revision(void)
  80 {
  81         void __iomem *ioaddr;
  82         unsigned int smsc_id;
  83
  84         /* Ethernet PHY ID is stored at ID_REV register */
  85         ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
  86         if (!ioaddr)
  87                 return;
  88         smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
  89         iounmap(ioaddr);
  90
  91         switch (smsc_id) {
  92         /*SMSC9115 chipset*/
  93         case 0x01150000:
  94                 omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
  95                 break;
  96         /*SMSC 9220 chipset*/
  97         case 0x92200000:
  98         default:
  99                 omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
 100         }
 101 }
 102
 103 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 104 static struct resource omap3evm_smsc911x_resources[] = {
 105         [0] =   {
 106                 .start  = OMAP3EVM_ETHR_START,
 107                 .end    = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
 108                 .flags  = IORESOURCE_MEM,
 109         },
 110         [1] =   {
 111                 .start  = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 112                 .end    = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
 113                 .flags  = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
 114         },
 115 };
 116
 117 static struct smsc911x_platform_config smsc911x_config = {
 118         .phy_interface  = PHY_INTERFACE_MODE_MII,
 119         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 120         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 121         .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
 122 };
 123
 124 static struct platform_device omap3evm_smsc911x_device = {
 125         .name           = "smsc911x",
 126         .id             = -1,
 127         .num_resources  = ARRAY_SIZE(omap3evm_smsc911x_resources),
 128         .resource       = &omap3evm_smsc911x_resources[0],
 129         .dev            = {
 130                 .platform_data = &smsc911x_config,
 131         },
 132 };
 133
 134 static inline void __init omap3evm_init_smsc911x(void)
 135 {
 136         int eth_cs, eth_rst;
 137         struct clk *l3ck;
 138         unsigned int rate;
 139
 140         if (get_omap3_evm_rev() == OMAP3EVM_BOARD_GEN_1)
 141                 eth_rst = OMAP3EVM_GEN1_ETHR_GPIO_RST;
 142         else
 143                 eth_rst = OMAP3EVM_GEN2_ETHR_GPIO_RST;
 144
 145         eth_cs = OMAP3EVM_SMSC911X_CS;
 146
 147         l3ck = clk_get(NULL, "l3_ck");
 148         if (IS_ERR(l3ck))
 149                 rate = 100000000;
 150         else
 151                 rate = clk_get_rate(l3ck);
 152
 153         /* Configure ethernet controller reset gpio */
 154         if (cpu_is_omap3430()) {
 155                 if (gpio_request(eth_rst, "SMSC911x gpio") < 0) {
 156                         pr_err(KERN_ERR "Failed to request %d for smsc911x\n",
 157                                         eth_rst);
 158                         return;
 159                 }
 160
 161                 if (gpio_direction_output(eth_rst, 1) < 0) {
 162                         pr_err(KERN_ERR "Failed to set direction of %d for" \
 163                                         " smsc911x\n", eth_rst);
 164                         return;
 165                 }
 166                 /* reset pulse to ethernet controller*/
 167                 usleep_range(150, 220);
 168                 gpio_set_value(eth_rst, 0);
 169                 usleep_range(150, 220);
 170                 gpio_set_value(eth_rst, 1);
 171                 usleep_range(1, 2);
 172         }
 173
 174         if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
 175                 printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
 176                         OMAP3EVM_ETHR_GPIO_IRQ);
 177                 return;
 178         }
 179
 180         gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
 181         platform_device_register(&omap3evm_smsc911x_device);
 182 }
 183
 184 #else
 185 static inline void __init omap3evm_init_smsc911x(void) { return; }
 186 #endif
 187
 188 /*
 189  * OMAP3EVM LCD Panel control signals
 190  */
 191 #define OMAP3EVM_LCD_PANEL_LR           2
 192 #define OMAP3EVM_LCD_PANEL_UD           3
 193 #define OMAP3EVM_LCD_PANEL_INI          152
 194 #define OMAP3EVM_LCD_PANEL_ENVDD        153
 195 #define OMAP3EVM_LCD_PANEL_QVGA         154
 196 #define OMAP3EVM_LCD_PANEL_RESB         155
 197 #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
 198 #define OMAP3EVM_DVI_PANEL_EN_GPIO      199
 199
 200 static int lcd_enabled;
 201 static int dvi_enabled;
 202
 203 static void __init omap3_evm_display_init(void)
 204 {
 205         int r;
 206
 207         r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
 208         if (r) {
 209                 printk(KERN_ERR "failed to get lcd_panel_resb\n");
 210                 return;
 211         }
 212         gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
 213
 214         r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
 215         if (r) {
 216                 printk(KERN_ERR "failed to get lcd_panel_ini\n");
 217                 goto err_1;
 218         }
 219         gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
 220
 221         r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
 222         if (r) {
 223                 printk(KERN_ERR "failed to get lcd_panel_qvga\n");
 224                 goto err_2;
 225         }
 226         gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
 227
 228         r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
 229         if (r) {
 230                 printk(KERN_ERR "failed to get lcd_panel_lr\n");
 231                 goto err_3;
 232         }
 233         gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
 234
 235         r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
 236         if (r) {
 237                 printk(KERN_ERR "failed to get lcd_panel_ud\n");
 238                 goto err_4;
 239         }
 240         gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
 241
 242         r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
 243         if (r) {
 244                 printk(KERN_ERR "failed to get lcd_panel_envdd\n");
 245                 goto err_5;
 246         }
 247         gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 248
 249         return;
 250
 251 err_5:
 252         gpio_free(OMAP3EVM_LCD_PANEL_UD);
 253 err_4:
 254         gpio_free(OMAP3EVM_LCD_PANEL_LR);
 255 err_3:
 256         gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
 257 err_2:
 258         gpio_free(OMAP3EVM_LCD_PANEL_INI);
 259 err_1:
 260         gpio_free(OMAP3EVM_LCD_PANEL_RESB);
 261
 262 }
 263
 264 static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
 265 {
 266         if (dvi_enabled) {
 267                 printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 268                 return -EINVAL;
 269         }
 270         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);
 271
 272         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 273                 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 274         else
 275                 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 276
 277         lcd_enabled = 1;
 278         return 0;
 279 }
 280
 281 static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
 282 {
 283         gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);
 284
 285         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
 286                 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
 287         else
 288                 gpio_set_value_cansleep(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
 289
 290         lcd_enabled = 0;
 291 }
 292
 293 static struct omap_dss_device omap3_evm_lcd_device = {
 294         .name                   = "lcd",
 295         .driver_name            = "sharp_ls_panel",
 296         .type                   = OMAP_DISPLAY_TYPE_DPI,
 297         .phy.dpi.data_lines     = 18,
 298         .platform_enable        = omap3_evm_enable_lcd,
 299         .platform_disable       = omap3_evm_disable_lcd,
 300 };
 301
 302 static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
 303 {
 304         return 0;
 305 }
 306
 307 static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
 308 {
 309 }
 310
 311 static struct omap_dss_device omap3_evm_tv_device = {
 312         .name                   = "tv",
 313         .driver_name            = "venc",
 314         .type                   = OMAP_DISPLAY_TYPE_VENC,
 315         .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
 316         .platform_enable        = omap3_evm_enable_tv,
 317         .platform_disable       = omap3_evm_disable_tv,
 318 };
 319
 320 static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
 321 {
 322         if (lcd_enabled) {
 323                 printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 324                 return -EINVAL;
 325         }
 326
 327         gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);
 328
 329         dvi_enabled = 1;
 330         return 0;
 331 }
 332
 333 static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
 334 {
 335         gpio_set_value_cansleep(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);
 336
 337         dvi_enabled = 0;
 338 }
 339
 340 static struct panel_generic_dpi_data dvi_panel = {
 341         .name                   = "generic",
 342         .platform_enable        = omap3_evm_enable_dvi,
 343         .platform_disable       = omap3_evm_disable_dvi,
 344 };
 345
 346 static struct omap_dss_device omap3_evm_dvi_device = {
 347         .name                   = "dvi",
 348         .type                   = OMAP_DISPLAY_TYPE_DPI,
 349         .driver_name            = "generic_dpi_panel",
 350         .data                   = &dvi_panel,
 351         .phy.dpi.data_lines     = 24,
 352 };
 353
 354 static struct omap_dss_device *omap3_evm_dss_devices[] = {
 355         &omap3_evm_lcd_device,
 356         &omap3_evm_tv_device,
 357         &omap3_evm_dvi_device,
 358 };
 359
 360 static struct omap_dss_board_info omap3_evm_dss_data = {
 361         .num_devices    = ARRAY_SIZE(omap3_evm_dss_devices),
 362         .devices        = omap3_evm_dss_devices,
 363         .default_device = &omap3_evm_lcd_device,
 364 };
 365
 366 static struct platform_device omap3_evm_dss_device = {
 367         .name           = "omapdss",
 368         .id             = -1,
 369         .dev            = {
 370                 .platform_data = &omap3_evm_dss_data,
 371         },
 372 };
 373
 374 static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
 375         .supply                 = "vmmc",
 376 };
 377
 378 static struct regulator_consumer_supply omap3evm_vsim_supply = {
 379         .supply                 = "vmmc_aux",
 380 };
 381
 382 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 383 static struct regulator_init_data omap3evm_vmmc1 = {
 384         .constraints = {
 385                 .min_uV                 = 1850000,
 386                 .max_uV                 = 3150000,
 387                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 388                                         | REGULATOR_MODE_STANDBY,
 389                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 390                                         | REGULATOR_CHANGE_MODE
 391                                         | REGULATOR_CHANGE_STATUS,
 392         },
 393         .num_consumer_supplies  = 1,
 394         .consumer_supplies      = &omap3evm_vmmc1_supply,
 395 };
 396
 397 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 398 static struct regulator_init_data omap3evm_vsim = {
 399         .constraints = {
 400                 .min_uV                 = 1800000,
 401                 .max_uV                 = 3000000,
 402                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 403                                         | REGULATOR_MODE_STANDBY,
 404                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
 405                                         | REGULATOR_CHANGE_MODE
 406                                         | REGULATOR_CHANGE_STATUS,
 407         },
 408         .num_consumer_supplies  = 1,
 409         .consumer_supplies      = &omap3evm_vsim_supply,
 410 };
 411
 412 static struct omap2_hsmmc_info mmc[] = {
 413         {
 414                 .mmc            = 1,
 415                 .caps           = MMC_CAP_4_BIT_DATA,
 416                 .gpio_cd        = -EINVAL,
 417                 .gpio_wp        = 63,
 418         },
 419 #ifdef CONFIG_WL12XX_PLATFORM_DATA
 420         {
 421                 .name           = "wl1271",
 422                 .mmc            = 2,
 423                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
 424                 .gpio_wp        = -EINVAL,
 425                 .gpio_cd        = -EINVAL,
 426                 .nonremovable   = true,
 427         },
 428 #endif
 429         {}      /* Terminator */
 430 };
 431
 432 static struct gpio_led gpio_leds[] = {
 433         {
 434                 .name                   = "omap3evm::ledb",
 435                 /* normally not visible (board underside) */
 436                 .default_trigger        = "default-on",
 437                 .gpio                   = -EINVAL,      /* gets replaced */
 438                 .active_low             = true,
 439         },
 440 };
 441
 442 static struct gpio_led_platform_data gpio_led_info = {
 443         .leds           = gpio_leds,
 444         .num_leds       = ARRAY_SIZE(gpio_leds),
 445 };
 446
 447 static struct platform_device leds_gpio = {
 448         .name   = "leds-gpio",
 449         .id     = -1,
 450         .dev    = {
 451                 .platform_data  = &gpio_led_info,
 452         },
 453 };
 454
 455
 456 static int omap3evm_twl_gpio_setup(struct device *dev,
 457                 unsigned gpio, unsigned ngpio)
 458 {
 459         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
 460         omap_mux_init_gpio(63, OMAP_PIN_INPUT);
 461         mmc[0].gpio_cd = gpio + 0;
 462         omap2_hsmmc_init(mmc);
 463
 464         /* link regulators to MMC adapters */
 465         omap3evm_vmmc1_supply.dev = mmc[0].dev;
 466         omap3evm_vsim_supply.dev = mmc[0].dev;
 467
 468         /*
 469          * Most GPIOs are for USB OTG.  Some are mostly sent to
 470          * the P2 connector; notably LEDA for the LCD backlight.
 471          */
 472
 473         /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
 474         gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
 475         gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
 476
 477         /* gpio + 7 == DVI Enable */
 478         gpio_request(gpio + 7, "EN_DVI");
 479         gpio_direction_output(gpio + 7, 0);
 480
 481         /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
 482         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
 483
 484         platform_device_register(&leds_gpio);
 485
 486         return 0;
 487 }
 488
 489 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
 490         .gpio_base      = OMAP_MAX_GPIO_LINES,
 491         .irq_base       = TWL4030_GPIO_IRQ_BASE,
 492         .irq_end        = TWL4030_GPIO_IRQ_END,
 493         .use_leds       = true,
 494         .setup          = omap3evm_twl_gpio_setup,
 495 };
 496
 497 static struct twl4030_usb_data omap3evm_usb_data = {
 498         .usb_mode       = T2_USB_MODE_ULPI,
 499 };
 500
 501 static uint32_t board_keymap[] = {
 502         KEY(0, 0, KEY_LEFT),
 503         KEY(0, 1, KEY_DOWN),
 504         KEY(0, 2, KEY_ENTER),
 505         KEY(0, 3, KEY_M),
 506
 507         KEY(1, 0, KEY_RIGHT),
 508         KEY(1, 1, KEY_UP),
 509         KEY(1, 2, KEY_I),
 510         KEY(1, 3, KEY_N),
 511
 512         KEY(2, 0, KEY_A),
 513         KEY(2, 1, KEY_E),
 514         KEY(2, 2, KEY_J),
 515         KEY(2, 3, KEY_O),
 516
 517         KEY(3, 0, KEY_B),
 518         KEY(3, 1, KEY_F),
 519         KEY(3, 2, KEY_K),
 520         KEY(3, 3, KEY_P)
 521 };
 522
 523 static struct matrix_keymap_data board_map_data = {
 524         .keymap                 = board_keymap,
 525         .keymap_size            = ARRAY_SIZE(board_keymap),
 526 };
 527
 528 static struct twl4030_keypad_data omap3evm_kp_data = {
 529         .keymap_data    = &board_map_data,
 530         .rows           = 4,
 531         .cols           = 4,
 532         .rep            = 1,
 533 };
 534
 535 static struct twl4030_madc_platform_data omap3evm_madc_data = {
 536         .irq_line       = 1,
 537 };
 538
 539 static struct twl4030_codec_audio_data omap3evm_audio_data = {
 540         .audio_mclk = 26000000,
 541 };
 542
 543 static struct twl4030_codec_data omap3evm_codec_data = {
 544         .audio_mclk = 26000000,
 545         .audio = &omap3evm_audio_data,
 546 };
 547
 548 static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = {
 549         .supply         = "vdda_dac",
 550         .dev            = &omap3_evm_dss_device.dev,
 551 };
 552
 553 /* VDAC for DSS driving S-Video */
 554 static struct regulator_init_data omap3_evm_vdac = {
 555         .constraints = {
 556                 .min_uV                 = 1800000,
 557                 .max_uV                 = 1800000,
 558                 .apply_uV               = true,
 559                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 560                                         | REGULATOR_MODE_STANDBY,
 561                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 562                                         | REGULATOR_CHANGE_STATUS,
 563         },
 564         .num_consumer_supplies  = 1,
 565         .consumer_supplies      = &omap3_evm_vdda_dac_supply,
 566 };
 567
 568 /* VPLL2 for digital video outputs */
 569 static struct regulator_consumer_supply omap3_evm_vpll2_supply =
 570         REGULATOR_SUPPLY("vdds_dsi", "omapdss");
 571
 572 static struct regulator_init_data omap3_evm_vpll2 = {
 573         .constraints = {
 574                 .min_uV                 = 1800000,
 575                 .max_uV                 = 1800000,
 576                 .apply_uV               = true,
 577                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 578                                         | REGULATOR_MODE_STANDBY,
 579                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 580                                         | REGULATOR_CHANGE_STATUS,
 581         },
 582         .num_consumer_supplies  = 1,
 583         .consumer_supplies      = &omap3_evm_vpll2_supply,
 584 };
 585
 586 /* ads7846 on SPI */
 587 static struct regulator_consumer_supply omap3evm_vio_supply =
 588         REGULATOR_SUPPLY("vcc", "spi1.0");
 589
 590 /* VIO for ads7846 */
 591 static struct regulator_init_data omap3evm_vio = {
 592         .constraints = {
 593                 .min_uV                 = 1800000,
 594                 .max_uV                 = 1800000,
 595                 .apply_uV               = true,
 596                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
 597                                         | REGULATOR_MODE_STANDBY,
 598                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
 599                                         | REGULATOR_CHANGE_STATUS,
 600         },
 601         .num_consumer_supplies  = 1,
 602         .consumer_supplies      = &omap3evm_vio_supply,
 603 };
 604
 605 #ifdef CONFIG_WL12XX_PLATFORM_DATA
 606
 607 #define OMAP3EVM_WLAN_PMENA_GPIO        (150)
 608 #define OMAP3EVM_WLAN_IRQ_GPIO          (149)
 609
 610 static struct regulator_consumer_supply omap3evm_vmmc2_supply = {
 611         .supply                 = "vmmc",
 612         .dev_name               = "mmci-omap-hs.1",
 613 };
 614
 615 /* VMMC2 for driving the WL12xx module */
 616 static struct regulator_init_data omap3evm_vmmc2 = {
 617         .constraints = {
 618                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
 619         },
 620         .num_consumer_supplies  = 1,
 621         .consumer_supplies = &omap3evm_vmmc2_supply,
 622 };
 623
 624 static struct fixed_voltage_config omap3evm_vwlan = {
 625         .supply_name            = "vwl1271",
 626         .microvolts             = 1800000, /* 1.80V */
 627         .gpio                   = OMAP3EVM_WLAN_PMENA_GPIO,
 628         .startup_delay          = 70000, /* 70ms */
 629         .enable_high            = 1,
 630         .enabled_at_boot        = 0,
 631         .init_data              = &omap3evm_vmmc2,
 632 };
 633
 634 static struct platform_device omap3evm_vwlan_device = {
 635         .name           = "reg-fixed-voltage",
 636         .id             = 1,
 637         .dev = {
 638                 .platform_data  = &omap3evm_vwlan,
 639         },
 640 };
 641
 642 struct wl12xx_platform_data omap3evm_wlan_data __initdata = {
 643         .irq = OMAP_GPIO_IRQ(OMAP3EVM_WLAN_IRQ_GPIO),
 644         /* ref clock is 38.4 MHz */
 645         .board_ref_clock = 2,
 646 };
 647 #endif
 648
 649 static struct twl4030_platform_data omap3evm_twldata = {
 650         .irq_base       = TWL4030_IRQ_BASE,
 651         .irq_end        = TWL4030_IRQ_END,
 652
 653         /* platform_data for children goes here */
 654         .keypad         = &omap3evm_kp_data,
 655         .madc           = &omap3evm_madc_data,
 656         .usb            = &omap3evm_usb_data,
 657         .gpio           = &omap3evm_gpio_data,
 658         .codec          = &omap3evm_codec_data,
 659         .vdac           = &omap3_evm_vdac,
 660         .vpll2          = &omap3_evm_vpll2,
 661         .vio            = &omap3evm_vio,
 662 };
 663
 664 static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
 665         {
 666                 I2C_BOARD_INFO("twl4030", 0x48),
 667                 .flags = I2C_CLIENT_WAKE,
 668                 .irq = INT_34XX_SYS_NIRQ,
 669                 .platform_data = &omap3evm_twldata,
 670         },
 671 };
 672
 673 static int __init omap3_evm_i2c_init(void)
 674 {
 675         /*
 676          * REVISIT: These entries can be set in omap3evm_twl_data
 677          * after a merge with MFD tree
 678          */
 679         omap3evm_twldata.vmmc1 = &omap3evm_vmmc1;
 680         omap3evm_twldata.vsim = &omap3evm_vsim;
 681
 682         omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
 683                         ARRAY_SIZE(omap3evm_i2c_boardinfo));
 684         omap_register_i2c_bus(2, 400, NULL, 0);
 685         omap_register_i2c_bus(3, 400, NULL, 0);
 686         return 0;
 687 }
 688
 689 static void ads7846_dev_init(void)
 690 {
 691         if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
 692                 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
 693
 694         gpio_direction_input(OMAP3_EVM_TS_GPIO);
 695         gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
 696 }
 697
 698 static int ads7846_get_pendown_state(void)
 699 {
 700         return !gpio_get_value(OMAP3_EVM_TS_GPIO);
 701 }
 702
 703 static struct ads7846_platform_data ads7846_config = {
 704         .x_max                  = 0x0fff,
 705         .y_max                  = 0x0fff,
 706         .x_plate_ohms           = 180,
 707         .pressure_max           = 255,
 708         .debounce_max           = 10,
 709         .debounce_tol           = 3,
 710         .debounce_rep           = 1,
 711         .get_pendown_state      = ads7846_get_pendown_state,
 712         .keep_vref_on           = 1,
 713         .settle_delay_usecs     = 150,
 714         .wakeup                         = true,
 715 };
 716
 717 static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 718         .turbo_mode     = 0,
 719         .single_channel = 1,    /* 0: slave, 1: master */
 720 };
 721
 722 static struct spi_board_info omap3evm_spi_board_info[] = {
 723         [0] = {
 724                 .modalias               = "ads7846",
 725                 .bus_num                = 1,
 726                 .chip_select            = 0,
 727                 .max_speed_hz           = 1500000,
 728                 .controller_data        = &ads7846_mcspi_config,
 729                 .irq                    = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
 730                 .platform_data          = &ads7846_config,
 731         },
 732 };
 733
 734 static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
 735 };
 736
 737 static void __init omap3_evm_init_early(void)
 738 {
 739         omap_board_config = omap3_evm_config;
 740         omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
 741         omap2_init_common_infrastructure();
 742         omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
 743 }
 744
 745 static struct platform_device *omap3_evm_devices[] __initdata = {
 746         &omap3_evm_dss_device,
 747 };
 748
 749 static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 750
 751         .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 752         .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 753         .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 754
 755         .phy_reset  = true,
 756         /* PHY reset GPIO will be runtime programmed based on EVM version */
 757         .reset_gpio_port[0]  = -EINVAL,
 758         .reset_gpio_port[1]  = -EINVAL,
 759         .reset_gpio_port[2]  = -EINVAL
 760 };
 761
 762 #ifdef CONFIG_OMAP_MUX
 763 static struct omap_board_mux board_mux[] __initdata = {
 764         OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
 765                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
 766                                 OMAP_PIN_OFF_WAKEUPENABLE),
 767         OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 768                                 OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
 769         OMAP3_MUX(SYS_BOOT5, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 770                                 OMAP_PIN_OFF_NONE),
 771         OMAP3_MUX(GPMC_WAIT2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
 772                                 OMAP_PIN_OFF_NONE),
 773 #ifdef CONFIG_WL12XX_PLATFORM_DATA
 774         /* WLAN IRQ - GPIO 149 */
 775         OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
 776
 777         /* WLAN POWER ENABLE - GPIO 150 */
 778         OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 779
 780         /* MMC2 SDIO pin muxes for WL12xx */
 781         OMAP3_MUX(SDMMC2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 782         OMAP3_MUX(SDMMC2_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 783         OMAP3_MUX(SDMMC2_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 784         OMAP3_MUX(SDMMC2_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 785         OMAP3_MUX(SDMMC2_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 786         OMAP3_MUX(SDMMC2_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
 787 #endif
 788         { .reg_offset = OMAP_MUX_TERMINATOR },
 789 };
 790 #endif
 791
 792 static struct omap_musb_board_data musb_board_data = {
 793         .interface_type         = MUSB_INTERFACE_ULPI,
 794         .mode                   = MUSB_OTG,
 795         .power                  = 100,
 796 };
 797
 798 static void __init omap3_evm_init(void)
 799 {
 800         omap3_evm_get_revision();
 801         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 802
 803         omap3_evm_i2c_init();
 804
 805         platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
 806
 807         spi_register_board_info(omap3evm_spi_board_info,
 808                                 ARRAY_SIZE(omap3evm_spi_board_info));
 809
 810         omap_serial_init();
 811
 812         /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
 813         usb_nop_xceiv_register();
 814
 815         if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
 816                 /* enable EHCI VBUS using GPIO22 */
 817                 omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
 818                 gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
 819                 gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
 820                 gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);
 821
 822                 /* Select EHCI port on main board */
 823                 omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
 824                 gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
 825                 gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
 826                 gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);
 827
 828                 /* setup EHCI phy reset config */
 829                 omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
 830                 ehci_pdata.reset_gpio_port[1] = 21;
 831
 832                 /* EVM REV >= E can supply 500mA with EXTVBUS programming */
 833                 musb_board_data.power = 500;
 834                 musb_board_data.extvbus = 1;
 835         } else {
 836                 /* setup EHCI phy reset on MDC */
 837                 omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
 838                 ehci_pdata.reset_gpio_port[1] = 135;
 839         }
 840         usb_musb_init(&musb_board_data);
 841         usb_ehci_init(&ehci_pdata);
 842         ads7846_dev_init();
 843         omap3evm_init_smsc911x();
 844         omap3_evm_display_init();
 845
 846 #ifdef CONFIG_WL12XX_PLATFORM_DATA
 847         /* WL12xx WLAN Init */
 848         if (wl12xx_set_platform_data(&omap3evm_wlan_data))
 849                 pr_err("error setting wl12xx data\n");
 850         platform_device_register(&omap3evm_vwlan_device);
 851 #endif
 852 }
 853
 854 MACHINE_START(OMAP3EVM, "OMAP3 EVM")
 855         /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
 856         .boot_params    = 0x80000100,
 857         .reserve        = omap_reserve,
 858         .map_io         = omap3_map_io,
 859         .init_early     = omap3_evm_init_early,
 860         .init_irq       = omap_init_irq,
 861         .init_machine   = omap3_evm_init,
 862         .timer          = &omap_timer,
 863 MACHINE_END