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