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board-omap3evm.c

/*
 * linux/arch/arm/mach-omap2/board-omap3evm.c
 *
 * Copyright (C) 2008 Texas Instruments
 *
 * Modified from mach-omap2/board-3430sdp.c
 *
 * Initial code: Syed Mohammed Khasim
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/leds.h>
#include <linux/interrupt.h>

#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/i2c/twl.h>
#include <linux/usb/otg.h>
#include <linux/smsc911x.h>

#include <linux/regulator/machine.h>
#include <linux/mmc/host.h>

#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include <plat/usb.h>
#include <plat/common.h>
#include <plat/mcspi.h>
#include <plat/display.h>
#include <plat/panel-generic-dpi.h>

#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"

#define OMAP3_EVM_TS_GPIO     175
#define OMAP3_EVM_EHCI_VBUS   22
#define OMAP3_EVM_EHCI_SELECT 61

#define OMAP3EVM_ETHR_START   0x2c000000
#define OMAP3EVM_ETHR_SIZE    1024
#define OMAP3EVM_ETHR_ID_REV  0x50
#define OMAP3EVM_ETHR_GPIO_IRQ      176
#define OMAP3EVM_SMSC911X_CS  5

static u8 omap3_evm_version;

u8 get_omap3_evm_rev(void)
{
      return omap3_evm_version;
}
EXPORT_SYMBOL(get_omap3_evm_rev);

static void __init omap3_evm_get_revision(void)
{
      void __iomem *ioaddr;
      unsigned int smsc_id;

      /* Ethernet PHY ID is stored at ID_REV register */
      ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K);
      if (!ioaddr)
            return;
      smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000;
      iounmap(ioaddr);

      switch (smsc_id) {
      /*SMSC9115 chipset*/
      case 0x01150000:
            omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
            break;
      /*SMSC 9220 chipset*/
      case 0x92200000:
      default:
            omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
      }
}

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
static struct resource omap3evm_smsc911x_resources[] = {
      [0] = {
            .start      = OMAP3EVM_ETHR_START,
            .end  = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
            .flags      = IORESOURCE_MEM,
      },
      [1] = {
            .start      = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
            .end  = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
            .flags      = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW),
      },
};

static struct smsc911x_platform_config smsc911x_config = {
      .phy_interface  = PHY_INTERFACE_MODE_MII,
      .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
      .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
      .flags          = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS),
};

static struct platform_device omap3evm_smsc911x_device = {
      .name       = "smsc911x",
      .id         = -1,
      .num_resources    = ARRAY_SIZE(omap3evm_smsc911x_resources),
      .resource   = &omap3evm_smsc911x_resources[0],
      .dev        = {
            .platform_data = &smsc911x_config,
      },
};

static inline void __init omap3evm_init_smsc911x(void)
{
      int eth_cs;
      struct clk *l3ck;
      unsigned int rate;

      eth_cs = OMAP3EVM_SMSC911X_CS;

      l3ck = clk_get(NULL, "l3_ck");
      if (IS_ERR(l3ck))
            rate = 100000000;
      else
            rate = clk_get_rate(l3ck);

      if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) {
            printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n",
                  OMAP3EVM_ETHR_GPIO_IRQ);
            return;
      }

      gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
      platform_device_register(&omap3evm_smsc911x_device);
}

#else
static inline void __init omap3evm_init_smsc911x(void) { return; }
#endif

/*
 * OMAP3EVM LCD Panel control signals
 */
#define OMAP3EVM_LCD_PANEL_LR       2
#define OMAP3EVM_LCD_PANEL_UD       3
#define OMAP3EVM_LCD_PANEL_INI            152
#define OMAP3EVM_LCD_PANEL_ENVDD    153
#define OMAP3EVM_LCD_PANEL_QVGA           154
#define OMAP3EVM_LCD_PANEL_RESB           155
#define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO   210
#define OMAP3EVM_DVI_PANEL_EN_GPIO  199

static int lcd_enabled;
static int dvi_enabled;

static void __init omap3_evm_display_init(void)
{
      int r;

      r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_resb\n");
            return;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);

      r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_ini\n");
            goto err_1;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);

      r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_qvga\n");
            goto err_2;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);

      r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_lr\n");
            goto err_3;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);

      r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_ud\n");
            goto err_4;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);

      r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
      if (r) {
            printk(KERN_ERR "failed to get lcd_panel_envdd\n");
            goto err_5;
      }
      gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);

      return;

err_5:
      gpio_free(OMAP3EVM_LCD_PANEL_UD);
err_4:
      gpio_free(OMAP3EVM_LCD_PANEL_LR);
err_3:
      gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
err_2:
      gpio_free(OMAP3EVM_LCD_PANEL_INI);
err_1:
      gpio_free(OMAP3EVM_LCD_PANEL_RESB);

}

static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
{
      if (dvi_enabled) {
            printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
            return -EINVAL;
      }
      gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 0);

      if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
            gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);
      else
            gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);

      lcd_enabled = 1;
      return 0;
}

static void omap3_evm_disable_lcd(struct omap_dss_device *dssdev)
{
      gpio_set_value(OMAP3EVM_LCD_PANEL_ENVDD, 1);

      if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
            gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 1);
      else
            gpio_set_value(OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO, 0);

      lcd_enabled = 0;
}

static struct omap_dss_device omap3_evm_lcd_device = {
      .name             = "lcd",
      .driver_name            = "sharp_ls_panel",
      .type             = OMAP_DISPLAY_TYPE_DPI,
      .phy.dpi.data_lines     = 18,
      .platform_enable  = omap3_evm_enable_lcd,
      .platform_disable = omap3_evm_disable_lcd,
};

static int omap3_evm_enable_tv(struct omap_dss_device *dssdev)
{
      return 0;
}

static void omap3_evm_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct omap_dss_device omap3_evm_tv_device = {
      .name             = "tv",
      .driver_name            = "venc",
      .type             = OMAP_DISPLAY_TYPE_VENC,
      .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
      .platform_enable  = omap3_evm_enable_tv,
      .platform_disable = omap3_evm_disable_tv,
};

static int omap3_evm_enable_dvi(struct omap_dss_device *dssdev)
{
      if (lcd_enabled) {
            printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
            return -EINVAL;
      }

      gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 1);

      dvi_enabled = 1;
      return 0;
}

static void omap3_evm_disable_dvi(struct omap_dss_device *dssdev)
{
      gpio_set_value(OMAP3EVM_DVI_PANEL_EN_GPIO, 0);

      dvi_enabled = 0;
}

static struct panel_generic_dpi_data dvi_panel = {
      .name             = "generic",
      .platform_enable  = omap3_evm_enable_dvi,
      .platform_disable = omap3_evm_disable_dvi,
};

static struct omap_dss_device omap3_evm_dvi_device = {
      .name             = "dvi",
      .type             = OMAP_DISPLAY_TYPE_DPI,
      .driver_name            = "generic_dpi_panel",
      .data             = &dvi_panel,
      .phy.dpi.data_lines     = 24,
};

static struct omap_dss_device *omap3_evm_dss_devices[] = {
      &omap3_evm_lcd_device,
      &omap3_evm_tv_device,
      &omap3_evm_dvi_device,
};

static struct omap_dss_board_info omap3_evm_dss_data = {
      .num_devices      = ARRAY_SIZE(omap3_evm_dss_devices),
      .devices    = omap3_evm_dss_devices,
      .default_device   = &omap3_evm_lcd_device,
};

static struct platform_device omap3_evm_dss_device = {
      .name       = "omapdss",
      .id         = -1,
      .dev        = {
            .platform_data = &omap3_evm_dss_data,
      },
};

static struct regulator_consumer_supply omap3evm_vmmc1_supply = {
      .supply                 = "vmmc",
};

static struct regulator_consumer_supply omap3evm_vsim_supply = {
      .supply                 = "vmmc_aux",
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data omap3evm_vmmc1 = {
      .constraints = {
            .min_uV                 = 1850000,
            .max_uV                 = 3150000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                              | REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &omap3evm_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data omap3evm_vsim = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 3000000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                              | REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &omap3evm_vsim_supply,
};

static struct omap2_hsmmc_info mmc[] = {
      {
            .mmc        = 1,
            .caps       = MMC_CAP_4_BIT_DATA,
            .gpio_cd    = -EINVAL,
            .gpio_wp    = 63,
      },
      {}    /* Terminator */
};

static struct gpio_led gpio_leds[] = {
      {
            .name             = "omap3evm::ledb",
            /* normally not visible (board underside) */
            .default_trigger  = "default-on",
            .gpio             = -EINVAL,  /* gets replaced */
            .active_low       = true,
      },
};

static struct gpio_led_platform_data gpio_led_info = {
      .leds       = gpio_leds,
      .num_leds   = ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
      .name = "leds-gpio",
      .id   = -1,
      .dev  = {
            .platform_data    = &gpio_led_info,
      },
};


static int omap3evm_twl_gpio_setup(struct device *dev,
            unsigned gpio, unsigned ngpio)
{
      /* gpio + 0 is "mmc0_cd" (input/IRQ) */
      omap_mux_init_gpio(63, OMAP_PIN_INPUT);
      mmc[0].gpio_cd = gpio + 0;
      omap2_hsmmc_init(mmc);

      /* link regulators to MMC adapters */
      omap3evm_vmmc1_supply.dev = mmc[0].dev;
      omap3evm_vsim_supply.dev = mmc[0].dev;

      /*
       * Most GPIOs are for USB OTG.  Some are mostly sent to
       * the P2 connector; notably LEDA for the LCD backlight.
       */

      /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
      gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
      gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);

      /* gpio + 7 == DVI Enable */
      gpio_request(gpio + 7, "EN_DVI");
      gpio_direction_output(gpio + 7, 0);

      /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
      gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;

      platform_device_register(&leds_gpio);

      return 0;
}

static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
      .gpio_base  = OMAP_MAX_GPIO_LINES,
      .irq_base   = TWL4030_GPIO_IRQ_BASE,
      .irq_end    = TWL4030_GPIO_IRQ_END,
      .use_leds   = true,
      .setup            = omap3evm_twl_gpio_setup,
};

static struct twl4030_usb_data omap3evm_usb_data = {
      .usb_mode   = T2_USB_MODE_ULPI,
};

static uint32_t board_keymap[] = {
      KEY(0, 0, KEY_LEFT),
      KEY(0, 1, KEY_DOWN),
      KEY(0, 2, KEY_ENTER),
      KEY(0, 3, KEY_M),

      KEY(1, 0, KEY_RIGHT),
      KEY(1, 1, KEY_UP),
      KEY(1, 2, KEY_I),
      KEY(1, 3, KEY_N),

      KEY(2, 0, KEY_A),
      KEY(2, 1, KEY_E),
      KEY(2, 2, KEY_J),
      KEY(2, 3, KEY_O),

      KEY(3, 0, KEY_B),
      KEY(3, 1, KEY_F),
      KEY(3, 2, KEY_K),
      KEY(3, 3, KEY_P)
};

static struct matrix_keymap_data board_map_data = {
      .keymap                 = board_keymap,
      .keymap_size            = ARRAY_SIZE(board_keymap),
};

static struct twl4030_keypad_data omap3evm_kp_data = {
      .keymap_data      = &board_map_data,
      .rows       = 4,
      .cols       = 4,
      .rep        = 1,
};

static struct twl4030_madc_platform_data omap3evm_madc_data = {
      .irq_line   = 1,
};

static struct twl4030_codec_audio_data omap3evm_audio_data = {
      .audio_mclk = 26000000,
};

static struct twl4030_codec_data omap3evm_codec_data = {
      .audio_mclk = 26000000,
      .audio = &omap3evm_audio_data,
};

static struct regulator_consumer_supply omap3_evm_vdda_dac_supply = {
      .supply           = "vdda_dac",
      .dev        = &omap3_evm_dss_device.dev,
};

/* VDAC for DSS driving S-Video */
static struct regulator_init_data omap3_evm_vdac = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .apply_uV         = true,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &omap3_evm_vdda_dac_supply,
};

/* VPLL2 for digital video outputs */
static struct regulator_consumer_supply omap3_evm_vdds_supplies[] = {
      REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
      REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
};

static struct regulator_init_data omap3_evm_vpll2 = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .apply_uV         = true,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = ARRAY_SIZE(omap3_evm_vdds_supplies),
      .consumer_supplies      = omap3_evm_vdds_supplies,
};

static struct twl4030_platform_data omap3evm_twldata = {
      .irq_base   = TWL4030_IRQ_BASE,
      .irq_end    = TWL4030_IRQ_END,

      /* platform_data for children goes here */
      .keypad           = &omap3evm_kp_data,
      .madc       = &omap3evm_madc_data,
      .usb        = &omap3evm_usb_data,
      .gpio       = &omap3evm_gpio_data,
      .codec            = &omap3evm_codec_data,
      .vdac       = &omap3_evm_vdac,
      .vpll2            = &omap3_evm_vpll2,
};

static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
      {
            I2C_BOARD_INFO("twl4030", 0x48),
            .flags = I2C_CLIENT_WAKE,
            .irq = INT_34XX_SYS_NIRQ,
            .platform_data = &omap3evm_twldata,
      },
};

static int __init omap3_evm_i2c_init(void)
{
      /*
       * REVISIT: These entries can be set in omap3evm_twl_data
       * after a merge with MFD tree
       */
      omap3evm_twldata.vmmc1 = &omap3evm_vmmc1;
      omap3evm_twldata.vsim = &omap3evm_vsim;

      omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
                  ARRAY_SIZE(omap3evm_i2c_boardinfo));
      omap_register_i2c_bus(2, 400, NULL, 0);
      omap_register_i2c_bus(3, 400, NULL, 0);
      return 0;
}

static void ads7846_dev_init(void)
{
      if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
            printk(KERN_ERR "can't get ads7846 pen down GPIO\n");

      gpio_direction_input(OMAP3_EVM_TS_GPIO);
      gpio_set_debounce(OMAP3_EVM_TS_GPIO, 310);
}

static int ads7846_get_pendown_state(void)
{
      return !gpio_get_value(OMAP3_EVM_TS_GPIO);
}

static struct ads7846_platform_data ads7846_config = {
      .x_max                  = 0x0fff,
      .y_max                  = 0x0fff,
      .x_plate_ohms           = 180,
      .pressure_max           = 255,
      .debounce_max           = 10,
      .debounce_tol           = 3,
      .debounce_rep           = 1,
      .get_pendown_state      = ads7846_get_pendown_state,
      .keep_vref_on           = 1,
      .settle_delay_usecs     = 150,
      .wakeup                       = true,
};

static struct omap2_mcspi_device_config ads7846_mcspi_config = {
      .turbo_mode = 0,
      .single_channel   = 1,  /* 0: slave, 1: master */
};

static struct spi_board_info omap3evm_spi_board_info[] = {
      [0] = {
            .modalias         = "ads7846",
            .bus_num          = 1,
            .chip_select            = 0,
            .max_speed_hz           = 1500000,
            .controller_data  = &ads7846_mcspi_config,
            .irq              = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
            .platform_data          = &ads7846_config,
      },
};

static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
};

static void __init omap3_evm_init_irq(void)
{
      omap_board_config = omap3_evm_config;
      omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
      omap2_init_common_infrastructure();
      omap2_init_common_devices(mt46h32m32lf6_sdrc_params, NULL);
      omap_init_irq();
}

static struct platform_device *omap3_evm_devices[] __initdata = {
      &omap3_evm_dss_device,
};

static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {

      .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
      .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
      .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

      .phy_reset  = true,
      /* PHY reset GPIO will be runtime programmed based on EVM version */
      .reset_gpio_port[0]  = -EINVAL,
      .reset_gpio_port[1]  = -EINVAL,
      .reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
      OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP |
                        OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW |
                        OMAP_PIN_OFF_WAKEUPENABLE),
      OMAP3_MUX(MCSPI1_CS1, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP |
                        OMAP_PIN_OFF_INPUT_PULLUP | OMAP_PIN_OFF_OUTPUT_LOW),
      { .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct omap_musb_board_data musb_board_data = {
      .interface_type         = MUSB_INTERFACE_ULPI,
      .mode             = MUSB_OTG,
      .power                  = 100,
};

static void __init omap3_evm_init(void)
{
      omap3_evm_get_revision();
      omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

      omap3_evm_i2c_init();

      platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));

      spi_register_board_info(omap3evm_spi_board_info,
                        ARRAY_SIZE(omap3evm_spi_board_info));

      omap_serial_init();

      /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */
      usb_nop_xceiv_register();

      if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
            /* enable EHCI VBUS using GPIO22 */
            omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
            gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
            gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
            gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);

            /* Select EHCI port on main board */
            omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
            gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
            gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
            gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);

            /* setup EHCI phy reset config */
            omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
            ehci_pdata.reset_gpio_port[1] = 21;

            /* EVM REV >= E can supply 500mA with EXTVBUS programming */
            musb_board_data.power = 500;
            musb_board_data.extvbus = 1;
      } else {
            /* setup EHCI phy reset on MDC */
            omap_mux_init_gpio(135, OMAP_PIN_OUTPUT);
            ehci_pdata.reset_gpio_port[1] = 135;
      }
      usb_musb_init(&musb_board_data);
      usb_ehci_init(&ehci_pdata);
      ads7846_dev_init();
      omap3evm_init_smsc911x();
      omap3_evm_display_init();
}

MACHINE_START(OMAP3EVM, "OMAP3 EVM")
      /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
      .boot_params      = 0x80000100,
      .map_io           = omap3_map_io,
      .reserve    = omap_reserve,
      .init_irq   = omap3_evm_init_irq,
      .init_machine     = omap3_evm_init,
      .timer            = &omap_timer,
MACHINE_END

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