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board-cm-t35.c

/*
 * board-cm-t35.c (CompuLab CM-T35 module)
 *
 * Copyright (C) 2009 CompuLab, Ltd.
 * Author: Mike Rapoport <mike@compulab.co.il>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/delay.h>
#include <linux/gpio.h>

#include <linux/i2c/at24.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/mmc/host.h>

#include <linux/spi/spi.h>
#include <linux/spi/tdo24m.h>

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

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

#include <mach/hardware.h>

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

#define CM_T35_GPIO_PENDOWN   57

#define CM_T35_SMSC911X_CS    5
#define CM_T35_SMSC911X_GPIO  163
#define SB_T35_SMSC911X_CS    4
#define SB_T35_SMSC911X_GPIO  65

#define NAND_BLOCK_SIZE       SZ_128K

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
#include <linux/smsc911x.h>

static struct smsc911x_platform_config cm_t35_smsc911x_config = {
      .irq_polarity     = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
      .irq_type   = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
      .flags            = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
      .phy_interface    = PHY_INTERFACE_MODE_MII,
};

static struct resource cm_t35_smsc911x_resources[] = {
      {
            .flags      = IORESOURCE_MEM,
      },
      {
            .start      = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
            .end  = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
      },
};

static struct platform_device cm_t35_smsc911x_device = {
      .name       = "smsc911x",
      .id         = 0,
      .num_resources    = ARRAY_SIZE(cm_t35_smsc911x_resources),
      .resource   = cm_t35_smsc911x_resources,
      .dev        = {
            .platform_data = &cm_t35_smsc911x_config,
      },
};

static struct resource sb_t35_smsc911x_resources[] = {
      {
            .flags      = IORESOURCE_MEM,
      },
      {
            .start      = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
            .end  = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
      },
};

static struct platform_device sb_t35_smsc911x_device = {
      .name       = "smsc911x",
      .id         = 1,
      .num_resources    = ARRAY_SIZE(sb_t35_smsc911x_resources),
      .resource   = sb_t35_smsc911x_resources,
      .dev        = {
            .platform_data = &cm_t35_smsc911x_config,
      },
};

static void __init cm_t35_init_smsc911x(struct platform_device *dev,
                              int cs, int irq_gpio)
{
      unsigned long cs_mem_base;

      if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {
            pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
            return;
      }

      dev->resource[0].start = cs_mem_base + 0x0;
      dev->resource[0].end   = cs_mem_base + 0xff;

      if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&
          (gpio_direction_input(irq_gpio) == 0)) {
            gpio_export(irq_gpio, 0);
      } else {
            pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
            return;
      }

      platform_device_register(dev);
}

static void __init cm_t35_init_ethernet(void)
{
      cm_t35_init_smsc911x(&cm_t35_smsc911x_device,
                       CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);
      cm_t35_init_smsc911x(&sb_t35_smsc911x_device,
                       SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);
}
#else
static inline void __init cm_t35_init_ethernet(void) { return; }
#endif

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>

static struct gpio_led cm_t35_leds[] = {
      [0] = {
            .gpio             = 186,
            .name             = "cm-t35:green",
            .default_trigger  = "heartbeat",
            .active_low       = 0,
      },
};

static struct gpio_led_platform_data cm_t35_led_pdata = {
      .num_leds   = ARRAY_SIZE(cm_t35_leds),
      .leds       = cm_t35_leds,
};

static struct platform_device cm_t35_led_device = {
      .name       = "leds-gpio",
      .id         = -1,
      .dev        = {
            .platform_data    = &cm_t35_led_pdata,
      },
};

static void __init cm_t35_init_led(void)
{
      platform_device_register(&cm_t35_led_device);
}
#else
static inline void cm_t35_init_led(void) {}
#endif

#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>

static struct mtd_partition cm_t35_nand_partitions[] = {
      {
            .name           = "xloader",
            .offset         = 0,                /* Offset = 0x00000 */
            .size           = 4 * NAND_BLOCK_SIZE,
            .mask_flags     = MTD_WRITEABLE
      },
      {
            .name           = "uboot",
            .offset         = MTDPART_OFS_APPEND,     /* Offset = 0x80000 */
            .size           = 15 * NAND_BLOCK_SIZE,
      },
      {
            .name           = "uboot environment",
            .offset         = MTDPART_OFS_APPEND,     /* Offset = 0x260000 */
            .size           = 2 * NAND_BLOCK_SIZE,
      },
      {
            .name           = "linux",
            .offset         = MTDPART_OFS_APPEND,     /* Offset = 0x280000 */
            .size           = 32 * NAND_BLOCK_SIZE,
      },
      {
            .name           = "rootfs",
            .offset         = MTDPART_OFS_APPEND,     /* Offset = 0x680000 */
            .size           = MTDPART_SIZ_FULL,
      },
};

static struct omap_nand_platform_data cm_t35_nand_data = {
      .parts                  = cm_t35_nand_partitions,
      .nr_parts         = ARRAY_SIZE(cm_t35_nand_partitions),
      .dma_channel            = -1, /* disable DMA in OMAP NAND driver */
      .cs               = 0,

};

static void __init cm_t35_init_nand(void)
{
      if (gpmc_nand_init(&cm_t35_nand_data) < 0)
            pr_err("CM-T35: Unable to register NAND device\n");
}
#else
static inline void cm_t35_init_nand(void) {}
#endif

#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
      defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
#include <linux/spi/ads7846.h>

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

static int ads7846_get_pendown_state(void)
{
      return !gpio_get_value(CM_T35_GPIO_PENDOWN);
}

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,
};

static struct spi_board_info cm_t35_spi_board_info[] __initdata = {
      {
            .modalias         = "ads7846",
            .bus_num          = 1,
            .chip_select            = 0,
            .max_speed_hz           = 1500000,
            .controller_data  = &ads7846_mcspi_config,
            .irq              = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),
            .platform_data          = &ads7846_config,
      },
};

static void __init cm_t35_init_ads7846(void)
{
      if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
          (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {
            gpio_export(CM_T35_GPIO_PENDOWN, 0);
      } else {
            pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");
            return;
      }

      spi_register_board_info(cm_t35_spi_board_info,
                        ARRAY_SIZE(cm_t35_spi_board_info));
}
#else
static inline void cm_t35_init_ads7846(void) {}
#endif

#define CM_T35_LCD_EN_GPIO 157
#define CM_T35_LCD_BL_GPIO 58
#define CM_T35_DVI_EN_GPIO 54

static int lcd_bl_gpio;
static int lcd_en_gpio;
static int dvi_en_gpio;

static int lcd_enabled;
static int dvi_enabled;

static int cm_t35_panel_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(lcd_en_gpio, 1);
      gpio_set_value(lcd_bl_gpio, 1);

      lcd_enabled = 1;

      return 0;
}

static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev)
{
      lcd_enabled = 0;

      gpio_set_value(lcd_bl_gpio, 0);
      gpio_set_value(lcd_en_gpio, 0);
}

static int cm_t35_panel_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(dvi_en_gpio, 0);
      dvi_enabled = 1;

      return 0;
}

static void cm_t35_panel_disable_dvi(struct omap_dss_device *dssdev)
{
      gpio_set_value(dvi_en_gpio, 1);
      dvi_enabled = 0;
}

static int cm_t35_panel_enable_tv(struct omap_dss_device *dssdev)
{
      return 0;
}

static void cm_t35_panel_disable_tv(struct omap_dss_device *dssdev)
{
}

static struct panel_generic_dpi_data lcd_panel = {
      .name             = "toppoly_tdo35s",
      .platform_enable  = cm_t35_panel_enable_lcd,
      .platform_disable = cm_t35_panel_disable_lcd,
};

static struct omap_dss_device cm_t35_lcd_device = {
      .name             = "lcd",
      .type             = OMAP_DISPLAY_TYPE_DPI,
      .driver_name            = "generic_dpi_panel",
      .data             = &lcd_panel,
      .phy.dpi.data_lines     = 18,
};

static struct panel_generic_dpi_data dvi_panel = {
      .name             = "generic",
      .platform_enable  = cm_t35_panel_enable_dvi,
      .platform_disable = cm_t35_panel_disable_dvi,
};

static struct omap_dss_device cm_t35_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 cm_t35_tv_device = {
      .name             = "tv",
      .driver_name            = "venc",
      .type             = OMAP_DISPLAY_TYPE_VENC,
      .phy.venc.type          = OMAP_DSS_VENC_TYPE_SVIDEO,
      .platform_enable  = cm_t35_panel_enable_tv,
      .platform_disable = cm_t35_panel_disable_tv,
};

static struct omap_dss_device *cm_t35_dss_devices[] = {
      &cm_t35_lcd_device,
      &cm_t35_dvi_device,
      &cm_t35_tv_device,
};

static struct omap_dss_board_info cm_t35_dss_data = {
      .num_devices      = ARRAY_SIZE(cm_t35_dss_devices),
      .devices    = cm_t35_dss_devices,
      .default_device   = &cm_t35_dvi_device,
};

static struct platform_device cm_t35_dss_device = {
      .name       = "omapdss",
      .id         = -1,
      .dev        = {
            .platform_data = &cm_t35_dss_data,
      },
};

static struct omap2_mcspi_device_config tdo24m_mcspi_config = {
      .turbo_mode = 0,
      .single_channel   = 1,  /* 0: slave, 1: master */
};

static struct tdo24m_platform_data tdo24m_config = {
      .model = TDO35S,
};

static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = {
      {
            .modalias         = "tdo24m",
            .bus_num          = 4,
            .chip_select            = 0,
            .max_speed_hz           = 1000000,
            .controller_data  = &tdo24m_mcspi_config,
            .platform_data          = &tdo24m_config,
      },
};

static void __init cm_t35_init_display(void)
{
      int err;

      lcd_en_gpio = CM_T35_LCD_EN_GPIO;
      lcd_bl_gpio = CM_T35_LCD_BL_GPIO;
      dvi_en_gpio = CM_T35_DVI_EN_GPIO;

      spi_register_board_info(cm_t35_lcd_spi_board_info,
                        ARRAY_SIZE(cm_t35_lcd_spi_board_info));

      err = gpio_request(lcd_en_gpio, "LCD RST");
      if (err) {
            pr_err("CM-T35: failed to get LCD reset GPIO\n");
            goto out;
      }

      err = gpio_request(lcd_bl_gpio, "LCD BL");
      if (err) {
            pr_err("CM-T35: failed to get LCD backlight control GPIO\n");
            goto err_lcd_bl;
      }

      err = gpio_request(dvi_en_gpio, "DVI EN");
      if (err) {
            pr_err("CM-T35: failed to get DVI reset GPIO\n");
            goto err_dvi_en;
      }

      gpio_export(lcd_en_gpio, 0);
      gpio_export(lcd_bl_gpio, 0);
      gpio_export(dvi_en_gpio, 0);
      gpio_direction_output(lcd_en_gpio, 0);
      gpio_direction_output(lcd_bl_gpio, 0);
      gpio_direction_output(dvi_en_gpio, 1);

      msleep(50);
      gpio_set_value(lcd_en_gpio, 1);

      err = platform_device_register(&cm_t35_dss_device);
      if (err) {
            pr_err("CM-T35: failed to register DSS device\n");
            goto err_dev_reg;
      }

      return;

err_dev_reg:
      gpio_free(dvi_en_gpio);
err_dvi_en:
      gpio_free(lcd_bl_gpio);
err_lcd_bl:
      gpio_free(lcd_en_gpio);
out:

      return;
}

static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
      .supply                 = "vmmc",
};

static struct regulator_consumer_supply cm_t35_vsim_supply = {
      .supply                 = "vmmc_aux",
};

static struct regulator_consumer_supply cm_t35_vdac_supply = {
      .supply           = "vdda_dac",
      .dev        = &cm_t35_dss_device.dev,
};

static struct regulator_consumer_supply cm_t35_vdvi_supply = {
      .supply           = "vdvi",
      .dev        = &cm_t35_dss_device.dev,
};

/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data cm_t35_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      = &cm_t35_vmmc1_supply,
};

/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
static struct regulator_init_data cm_t35_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      = &cm_t35_vsim_supply,
};

/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
static struct regulator_init_data cm_t35_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      = &cm_t35_vdac_supply,
};

/* VPLL2 for digital video outputs */
static struct regulator_init_data cm_t35_vpll2 = {
      .constraints = {
            .name             = "VDVI",
            .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      = &cm_t35_vdvi_supply,
};

static struct twl4030_usb_data cm_t35_usb_data = {
      .usb_mode   = T2_USB_MODE_ULPI,
};

static uint32_t cm_t35_keymap[] = {
      KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT),
      KEY(1, 0, KEY_UP),      KEY(1, 1, KEY_ENTER),   KEY(1, 2, KEY_DOWN),
      KEY(2, 0, KEY_RIGHT),   KEY(2, 1, KEY_C), KEY(2, 2, KEY_D),
};

static struct matrix_keymap_data cm_t35_keymap_data = {
      .keymap                 = cm_t35_keymap,
      .keymap_size            = ARRAY_SIZE(cm_t35_keymap),
};

static struct twl4030_keypad_data cm_t35_kp_data = {
      .keymap_data      = &cm_t35_keymap_data,
      .rows       = 3,
      .cols       = 3,
      .rep        = 1,
};

static struct omap2_hsmmc_info mmc[] = {
      {
            .mmc        = 1,
            .caps       = MMC_CAP_4_BIT_DATA,
            .gpio_cd    = -EINVAL,
            .gpio_wp    = -EINVAL,

      },
      {
            .mmc        = 2,
            .caps       = MMC_CAP_4_BIT_DATA,
            .transceiver      = 1,
            .gpio_cd    = -EINVAL,
            .gpio_wp    = -EINVAL,
            .ocr_mask   = 0x00100000,     /* 3.3V */
      },
      {}    /* Terminator */
};

static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
      .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
      .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
      .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,

      .phy_reset  = true,
      .reset_gpio_port[0]  = OMAP_MAX_GPIO_LINES + 6,
      .reset_gpio_port[1]  = OMAP_MAX_GPIO_LINES + 7,
      .reset_gpio_port[2]  = -EINVAL
};

static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
                         unsigned ngpio)
{
      int wlan_rst = gpio + 2;

      if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
          (gpio_direction_output(wlan_rst, 1) == 0)) {
            gpio_export(wlan_rst, 0);

            udelay(10);
            gpio_set_value(wlan_rst, 0);
            udelay(10);
            gpio_set_value(wlan_rst, 1);
      } else {
            pr_err("CM-T35: could not obtain gpio for WiFi reset\n");
      }

      /* gpio + 0 is "mmc0_cd" (input/IRQ) */
      mmc[0].gpio_cd = gpio + 0;
      omap2_hsmmc_init(mmc);

      /* link regulators to MMC adapters */
      cm_t35_vmmc1_supply.dev = mmc[0].dev;
      cm_t35_vsim_supply.dev = mmc[0].dev;

      return 0;
}

static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
      .gpio_base  = OMAP_MAX_GPIO_LINES,
      .irq_base   = TWL4030_GPIO_IRQ_BASE,
      .irq_end    = TWL4030_GPIO_IRQ_END,
      .setup          = cm_t35_twl_gpio_setup,
};

static struct twl4030_platform_data cm_t35_twldata = {
      .irq_base   = TWL4030_IRQ_BASE,
      .irq_end    = TWL4030_IRQ_END,

      /* platform_data for children goes here */
      .keypad           = &cm_t35_kp_data,
      .usb        = &cm_t35_usb_data,
      .gpio       = &cm_t35_gpio_data,
      .vmmc1            = &cm_t35_vmmc1,
      .vsim       = &cm_t35_vsim,
      .vdac       = &cm_t35_vdac,
      .vpll2            = &cm_t35_vpll2,
};

static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {
      {
            I2C_BOARD_INFO("tps65930", 0x48),
            .flags            = I2C_CLIENT_WAKE,
            .irq        = INT_34XX_SYS_NIRQ,
            .platform_data    = &cm_t35_twldata,
      },
};

static void __init cm_t35_init_i2c(void)
{
      omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,
                        ARRAY_SIZE(cm_t35_i2c_boardinfo));
}

static struct omap_board_config_kernel cm_t35_config[] __initdata = {
};

static void __init cm_t35_init_irq(void)
{
      omap_board_config = cm_t35_config;
      omap_board_config_size = ARRAY_SIZE(cm_t35_config);

      omap2_init_common_infrastructure();
      omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
                       mt46h32m32lf6_sdrc_params);
      omap_init_irq();
}

static struct omap_board_mux board_mux[] __initdata = {
      /* nCS and IRQ for CM-T35 ethernet */
      OMAP3_MUX(GPMC_NCS5, OMAP_MUX_MODE0),
      OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),

      /* nCS and IRQ for SB-T35 ethernet */
      OMAP3_MUX(GPMC_NCS4, OMAP_MUX_MODE0),
      OMAP3_MUX(GPMC_WAIT3, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),

      /* PENDOWN GPIO */
      OMAP3_MUX(GPMC_NCS6, 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),

      /* 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),

      /* 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),

      /* McSPI 4 */
      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),

      /* 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),

      /* 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),

      /* display controls */
      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 struct omap_musb_board_data musb_board_data = {
      .interface_type         = MUSB_INTERFACE_ULPI,
      .mode             = MUSB_OTG,
      .power                  = 100,
};

static void __init cm_t35_init(void)
{
      omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
      omap_serial_init();
      cm_t35_init_i2c();
      cm_t35_init_nand();
      cm_t35_init_ads7846();
      cm_t35_init_ethernet();
      cm_t35_init_led();
      cm_t35_init_display();

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

MACHINE_START(CM_T35, "Compulab CM-T35")
      .boot_params      = 0x80000100,
      .map_io           = omap3_map_io,
      .reserve    = omap_reserve,
      .init_irq   = cm_t35_init_irq,
      .init_machine     = cm_t35_init,
      .timer            = &omap_timer,
MACHINE_END

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