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board-devkit8000.c

/*
 * board-devkit8000.c - TimLL Devkit8000
 *
 * Copyright (C) 2009 Kim Botherway
 * Copyright (C) 2010 Thomas Weber
 *
 * Modified from mach-omap2/board-omap3beagle.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/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/mmc/host.h>

#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>

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

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

#include <plat/mcspi.h>
#include <linux/input/matrix_keypad.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/dm9000.h>
#include <linux/interrupt.h>

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

#include "mux.h"
#include "hsmmc.h"
#include "timer-gp.h"

#define NAND_BLOCK_SIZE       SZ_128K

#define OMAP_DM9000_GPIO_IRQ  25
#define OMAP3_DEVKIT_TS_GPIO  27

static struct mtd_partition devkit8000_nand_partitions[] = {
      /* All the partition sizes are listed in terms of NAND block size */
      {
            .name       = "X-Loader",
            .offset           = 0,
            .size       = 4 * NAND_BLOCK_SIZE,
            .mask_flags = MTD_WRITEABLE,  /* force read-only */
      },
      {
            .name       = "U-Boot",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
            .size       = 15 * NAND_BLOCK_SIZE,
            .mask_flags = MTD_WRITEABLE,  /* force read-only */
      },
      {
            .name       = "U-Boot Env",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
            .size       = 1 * NAND_BLOCK_SIZE,
      },
      {
            .name       = "Kernel",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
            .size       = 32 * NAND_BLOCK_SIZE,
      },
      {
            .name       = "File System",
            .offset           = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
            .size       = MTDPART_SIZ_FULL,
      },
};

static struct omap_nand_platform_data devkit8000_nand_data = {
      .options    = NAND_BUSWIDTH_16,
      .parts            = devkit8000_nand_partitions,
      .nr_parts   = ARRAY_SIZE(devkit8000_nand_partitions),
      .dma_channel      = -1,       /* disable DMA in OMAP NAND driver */
};

static struct omap2_hsmmc_info mmc[] = {
      {
            .mmc        = 1,
            .caps       = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
            .gpio_wp    = 29,
      },
      {}    /* Terminator */
};

static int devkit8000_panel_enable_lcd(struct omap_dss_device *dssdev)
{
      twl_i2c_write_u8(TWL4030_MODULE_GPIO, 0x80, REG_GPIODATADIR1);
      twl_i2c_write_u8(TWL4030_MODULE_LED, 0x0, 0x0);

      if (gpio_is_valid(dssdev->reset_gpio))
            gpio_set_value_cansleep(dssdev->reset_gpio, 1);
      return 0;
}

static void devkit8000_panel_disable_lcd(struct omap_dss_device *dssdev)
{
      if (gpio_is_valid(dssdev->reset_gpio))
            gpio_set_value_cansleep(dssdev->reset_gpio, 0);
}

static int devkit8000_panel_enable_dvi(struct omap_dss_device *dssdev)
{
      if (gpio_is_valid(dssdev->reset_gpio))
            gpio_set_value_cansleep(dssdev->reset_gpio, 1);
      return 0;
}

static void devkit8000_panel_disable_dvi(struct omap_dss_device *dssdev)
{
      if (gpio_is_valid(dssdev->reset_gpio))
            gpio_set_value_cansleep(dssdev->reset_gpio, 0);
}

static struct regulator_consumer_supply devkit8000_vmmc1_supply =
      REGULATOR_SUPPLY("vmmc", "mmci-omap-hs.0");


/* ads7846 on SPI */
static struct regulator_consumer_supply devkit8000_vio_supply =
      REGULATOR_SUPPLY("vcc", "spi2.0");

static struct panel_generic_dpi_data lcd_panel = {
      .name             = "generic",
      .platform_enable        = devkit8000_panel_enable_lcd,
      .platform_disable       = devkit8000_panel_disable_lcd,
};

static struct omap_dss_device devkit8000_lcd_device = {
      .name                   = "lcd",
      .type                   = OMAP_DISPLAY_TYPE_DPI,
      .driver_name            = "generic_dpi_panel",
      .data             = &lcd_panel,
      .phy.dpi.data_lines     = 24,
};

static struct panel_generic_dpi_data dvi_panel = {
      .name             = "generic",
      .platform_enable        = devkit8000_panel_enable_dvi,
      .platform_disable       = devkit8000_panel_disable_dvi,
};

static struct omap_dss_device devkit8000_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 devkit8000_tv_device = {
      .name                   = "tv",
      .driver_name            = "venc",
      .type                   = OMAP_DISPLAY_TYPE_VENC,
      .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
};


static struct omap_dss_device *devkit8000_dss_devices[] = {
      &devkit8000_lcd_device,
      &devkit8000_dvi_device,
      &devkit8000_tv_device,
};

static struct omap_dss_board_info devkit8000_dss_data = {
      .num_devices = ARRAY_SIZE(devkit8000_dss_devices),
      .devices = devkit8000_dss_devices,
      .default_device = &devkit8000_lcd_device,
};

static struct platform_device devkit8000_dss_device = {
      .name       = "omapdss",
      .id         = -1,
      .dev        = {
            .platform_data = &devkit8000_dss_data,
      },
};

static struct regulator_consumer_supply devkit8000_vdda_dac_supply =
      REGULATOR_SUPPLY("vdda_dac", "omapdss");

static uint32_t board_keymap[] = {
      KEY(0, 0, KEY_1),
      KEY(1, 0, KEY_2),
      KEY(2, 0, KEY_3),
      KEY(0, 1, KEY_4),
      KEY(1, 1, KEY_5),
      KEY(2, 1, KEY_6),
      KEY(3, 1, KEY_F5),
      KEY(0, 2, KEY_7),
      KEY(1, 2, KEY_8),
      KEY(2, 2, KEY_9),
      KEY(3, 2, KEY_F6),
      KEY(0, 3, KEY_F7),
      KEY(1, 3, KEY_0),
      KEY(2, 3, KEY_F8),
      PERSISTENT_KEY(4, 5),
      KEY(4, 4, KEY_VOLUMEUP),
      KEY(5, 5, KEY_VOLUMEDOWN),
      0
};

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

static struct twl4030_keypad_data devkit8000_kp_data = {
      .keymap_data      = &board_map_data,
      .rows       = 6,
      .cols       = 6,
      .rep        = 1,
};

static struct gpio_led gpio_leds[];

static int devkit8000_twl_gpio_setup(struct device *dev,
            unsigned gpio, unsigned ngpio)
{
      omap_mux_init_gpio(29, OMAP_PIN_INPUT);
      /* gpio + 0 is "mmc0_cd" (input/IRQ) */
      mmc[0].gpio_cd = gpio + 0;
      omap2_hsmmc_init(mmc);

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

        /* gpio + 1 is "LCD_PWREN" (out, active high) */
      devkit8000_lcd_device.reset_gpio = gpio + 1;
      gpio_request(devkit8000_lcd_device.reset_gpio, "LCD_PWREN");
      /* Disable until needed */
      gpio_direction_output(devkit8000_lcd_device.reset_gpio, 0);

      /* gpio + 7 is "DVI_PD" (out, active low) */
      devkit8000_dvi_device.reset_gpio = gpio + 7;
      gpio_request(devkit8000_dvi_device.reset_gpio, "DVI PowerDown");
      /* Disable until needed */
      gpio_direction_output(devkit8000_dvi_device.reset_gpio, 0);

      return 0;
}

static struct twl4030_gpio_platform_data devkit8000_gpio_data = {
      .gpio_base  = OMAP_MAX_GPIO_LINES,
      .irq_base   = TWL4030_GPIO_IRQ_BASE,
      .irq_end    = TWL4030_GPIO_IRQ_END,
      .use_leds   = true,
      .pulldowns  = BIT(1) | BIT(2) | BIT(6) | BIT(8) | BIT(13)
                        | BIT(15) | BIT(16) | BIT(17),
      .setup            = devkit8000_twl_gpio_setup,
};

static struct regulator_consumer_supply devkit8000_vpll1_supply =
      REGULATOR_SUPPLY("vdds_dsi", "omapdss");

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data devkit8000_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      = &devkit8000_vmmc1_supply,
};

/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
static struct regulator_init_data devkit8000_vdac = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &devkit8000_vdda_dac_supply,
};

/* VPLL1 for digital video outputs */
static struct regulator_init_data devkit8000_vpll1 = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &devkit8000_vpll1_supply,
};

/* VAUX4 for ads7846 and nubs */
static struct regulator_init_data devkit8000_vio = {
      .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      = &devkit8000_vio_supply,
};

static struct twl4030_usb_data devkit8000_usb_data = {
      .usb_mode   = T2_USB_MODE_ULPI,
};

static struct twl4030_codec_audio_data devkit8000_audio_data = {
      .audio_mclk = 26000000,
};

static struct twl4030_codec_data devkit8000_codec_data = {
      .audio_mclk = 26000000,
      .audio = &devkit8000_audio_data,
};

static struct twl4030_platform_data devkit8000_twldata = {
      .irq_base   = TWL4030_IRQ_BASE,
      .irq_end    = TWL4030_IRQ_END,

      /* platform_data for children goes here */
      .usb        = &devkit8000_usb_data,
      .gpio       = &devkit8000_gpio_data,
      .codec            = &devkit8000_codec_data,
      .vmmc1            = &devkit8000_vmmc1,
      .vdac       = &devkit8000_vdac,
      .vpll1            = &devkit8000_vpll1,
      .vio        = &devkit8000_vio,
      .keypad           = &devkit8000_kp_data,
};

static struct i2c_board_info __initdata devkit8000_i2c_boardinfo[] = {
      {
            I2C_BOARD_INFO("tps65930", 0x48),
            .flags = I2C_CLIENT_WAKE,
            .irq = INT_34XX_SYS_NIRQ,
            .platform_data = &devkit8000_twldata,
      },
};

static int __init devkit8000_i2c_init(void)
{
      omap_register_i2c_bus(1, 2600, devkit8000_i2c_boardinfo,
                  ARRAY_SIZE(devkit8000_i2c_boardinfo));
      /* Bus 3 is attached to the DVI port where devices like the pico DLP
       * projector don't work reliably with 400kHz */
      omap_register_i2c_bus(3, 400, NULL, 0);
      return 0;
}

static struct gpio_led gpio_leds[] = {
      {
            .name             = "led1",
            .default_trigger  = "heartbeat",
            .gpio             = 186,
            .active_low       = true,
      },
      {
            .name             = "led2",
            .default_trigger  = "mmc0",
            .gpio             = 163,
            .active_low       = true,
      },
      {
            .name             = "ledB",
            .default_trigger  = "none",
            .gpio             = 153,
            .active_low             = true,
      },
      {
            .name             = "led3",
            .default_trigger  = "none",
            .gpio             = 164,
            .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 struct gpio_keys_button gpio_buttons[] = {
      {
            .code             = BTN_EXTRA,
            .gpio             = 26,
            .desc             = "user",
            .wakeup                 = 1,
      },
};

static struct gpio_keys_platform_data gpio_key_info = {
      .buttons    = gpio_buttons,
      .nbuttons   = ARRAY_SIZE(gpio_buttons),
};

static struct platform_device keys_gpio = {
      .name = "gpio-keys",
      .id   = -1,
      .dev  = {
            .platform_data    = &gpio_key_info,
      },
};


static void __init devkit8000_init_irq(void)
{
      omap2_init_common_infrastructure();
      omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
                          mt46h32m32lf6_sdrc_params);
      omap_init_irq();
#ifdef CONFIG_OMAP_32K_TIMER
      omap2_gp_clockevent_set_gptimer(12);
#endif
}

static void __init devkit8000_ads7846_init(void)
{
      int gpio = OMAP3_DEVKIT_TS_GPIO;
      int ret;

      ret = gpio_request(gpio, "ads7846_pen_down");
      if (ret < 0) {
            printk(KERN_ERR "Failed to request GPIO %d for "
                        "ads7846 pen down IRQ\n", gpio);
            return;
      }

      gpio_direction_input(gpio);
}

static int ads7846_get_pendown_state(void)
{
      return !gpio_get_value(OMAP3_DEVKIT_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           = 5,
      .debounce_rep           = 1,
      .get_pendown_state      = ads7846_get_pendown_state,
      .keep_vref_on           = 1,
      .settle_delay_usecs     = 150,
};

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

static struct spi_board_info devkit8000_spi_board_info[] __initdata = {
      {
            .modalias         = "ads7846",
            .bus_num          = 2,
            .chip_select            = 0,
            .max_speed_hz           = 1500000,
            .controller_data  = &ads7846_mcspi_config,
            .irq              = OMAP_GPIO_IRQ(OMAP3_DEVKIT_TS_GPIO),
            .platform_data          = &ads7846_config,
      }
};

#define OMAP_DM9000_BASE      0x2c000000

static struct resource omap_dm9000_resources[] = {
      [0] = {
            .start            = OMAP_DM9000_BASE,
            .end        = (OMAP_DM9000_BASE + 0x4 - 1),
            .flags            = IORESOURCE_MEM,
      },
      [1] = {
            .start            = (OMAP_DM9000_BASE + 0x400),
            .end        = (OMAP_DM9000_BASE + 0x400 + 0x4 - 1),
            .flags            = IORESOURCE_MEM,
      },
      [2] = {
            .start            = OMAP_GPIO_IRQ(OMAP_DM9000_GPIO_IRQ),
            .flags            = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
      },
};

static struct dm9000_plat_data omap_dm9000_platdata = {
      .flags = DM9000_PLATF_16BITONLY,
};

static struct platform_device omap_dm9000_dev = {
      .name = "dm9000",
      .id = -1,
      .num_resources    = ARRAY_SIZE(omap_dm9000_resources),
      .resource   = omap_dm9000_resources,
      .dev = {
            .platform_data = &omap_dm9000_platdata,
      },
};

static void __init omap_dm9000_init(void)
{
      unsigned char *eth_addr = omap_dm9000_platdata.dev_addr;
      struct omap_die_id odi;

      if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) {
            printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n",
                  OMAP_DM9000_GPIO_IRQ);
            return;
            }

      gpio_direction_input(OMAP_DM9000_GPIO_IRQ);

      /* init the mac address using DIE id */
      omap_get_die_id(&odi);

      eth_addr[0] = 0x02; /* locally administered */
      eth_addr[1] = odi.id_1 & 0xff;
      eth_addr[2] = (odi.id_0 & 0xff000000) >> 24;
      eth_addr[3] = (odi.id_0 & 0x00ff0000) >> 16;
      eth_addr[4] = (odi.id_0 & 0x0000ff00) >> 8;
      eth_addr[5] = (odi.id_0 & 0x000000ff);
}

static struct platform_device *devkit8000_devices[] __initdata = {
      &devkit8000_dss_device,
      &leds_gpio,
      &keys_gpio,
      &omap_dm9000_dev,
};

static void __init devkit8000_flash_init(void)
{
      u8 cs = 0;
      u8 nandcs = GPMC_CS_NUM + 1;

      /* find out the chip-select on which NAND exists */
      while (cs < GPMC_CS_NUM) {
            u32 ret = 0;
            ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);

            if ((ret & 0xC00) == 0x800) {
                  printk(KERN_INFO "Found NAND on CS%d\n", cs);
                  if (nandcs > GPMC_CS_NUM)
                        nandcs = cs;
            }
            cs++;
      }

      if (nandcs > GPMC_CS_NUM) {
            printk(KERN_INFO "NAND: Unable to find configuration "
                         "in GPMC\n ");
            return;
      }

      if (nandcs < GPMC_CS_NUM) {
            devkit8000_nand_data.cs = nandcs;

            printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
            if (gpmc_nand_init(&devkit8000_nand_data) < 0)
                  printk(KERN_ERR "Unable to register NAND device\n");
      }
}

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

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {

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

      .phy_reset  = true,
      .reset_gpio_port[0]  = -EINVAL,
      .reset_gpio_port[1]  = -EINVAL,
      .reset_gpio_port[2]  = -EINVAL
};

static struct omap_board_mux board_mux[] __initdata = {
      /* nCS and IRQ for Devkit8000 ethernet */
      OMAP3_MUX(GPMC_NCS6, OMAP_MUX_MODE0),
      OMAP3_MUX(ETK_D11, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),

      /* McSPI 2*/
      OMAP3_MUX(MCSPI2_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCSPI2_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(MCSPI2_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCSPI2_CS0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(MCSPI2_CS1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),

      /* PENDOWN GPIO */
      OMAP3_MUX(ETK_D13, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

      /* mUSB */
      OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* USB 1 */
      OMAP3_MUX(ETK_CTL, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_CLK, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(ETK_D8, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D9, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D0, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D1, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D2, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D4, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D5, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D6, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
      OMAP3_MUX(ETK_D7, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),

      /* MMC 1 */
      OMAP3_MUX(SDMMC1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(SDMMC1_DAT7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* McBSP 2 */
      OMAP3_MUX(MCBSP2_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP2_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP2_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP2_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),

      /* I2C 1 */
      OMAP3_MUX(I2C1_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(I2C1_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* I2C 2 */
      OMAP3_MUX(I2C2_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(I2C2_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* I2C 3 */
      OMAP3_MUX(I2C3_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(I2C3_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* I2C 4 */
      OMAP3_MUX(I2C4_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(I2C4_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* serial ports */
      OMAP3_MUX(MCBSP3_CLKX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(MCBSP3_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
      OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* DSS */
      OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),

      /* expansion port */
      /* McSPI 1 */
      OMAP3_MUX(MCSPI1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCSPI1_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCSPI1_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCSPI1_CS0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
      OMAP3_MUX(MCSPI1_CS3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),

      /* HDQ */
      OMAP3_MUX(HDQ_SIO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      /* McSPI4 */
      OMAP3_MUX(MCBSP1_CLKR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP1_DX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP1_DR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
      OMAP3_MUX(MCBSP1_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT_PULLUP),

      /* MMC 2 */
      OMAP3_MUX(SDMMC2_DAT4, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(SDMMC2_DAT5, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(SDMMC2_DAT6, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(SDMMC2_DAT7, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),

      /* I2C3 */
      OMAP3_MUX(I2C3_SCL, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
      OMAP3_MUX(I2C3_SDA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

      OMAP3_MUX(MCBSP1_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

      OMAP3_MUX(GPMC_NCS7, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
      OMAP3_MUX(GPMC_NCS3, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

      /* TPS IRQ */
      OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_WAKEUP_EN | \
                  OMAP_PIN_INPUT_PULLUP),

      { .reg_offset = OMAP_MUX_TERMINATOR },
};

static void __init devkit8000_init(void)
{
      omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
      omap_serial_init();

      omap_dm9000_init();

      devkit8000_i2c_init();
      platform_add_devices(devkit8000_devices,
                  ARRAY_SIZE(devkit8000_devices));

      spi_register_board_info(devkit8000_spi_board_info,
      ARRAY_SIZE(devkit8000_spi_board_info));

      devkit8000_ads7846_init();

      usb_musb_init(&musb_board_data);
      usb_ehci_init(&ehci_pdata);
      devkit8000_flash_init();

      /* Ensure SDRC pins are mux'd for self-refresh */
      omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
      omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
}

MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000")
      .boot_params      = 0x80000100,
      .map_io           = omap3_map_io,
      .reserve    = omap_reserve,
      .init_irq   = devkit8000_init_irq,
      .init_machine     = devkit8000_init,
      .timer            = &omap_timer,
MACHINE_END

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