board-cm-t35.c

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/*
 * CompuLab CM-T35/CM-T3730 modules support
 *
 * Copyright (C) 2009-2011 CompuLab, Ltd.
 * Authors: Mike Rapoport <[email protected]>
 *      Igor Grinberg <[email protected]>
 *
 * 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.
 *
 */

#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/platform_data/gpio-omap.h>

#include <linux/i2c/at24.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/fixed.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 "common.h"
#include <linux/platform_data/mtd-nand-omap2.h>
#include <plat/gpmc.h>
#include <plat/usb.h>
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-tfp410.h>
#include <linux/platform_data/spi-omap2-mcspi.h>

#include <mach/hardware.h>

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

#define CM_T35_GPIO_PENDOWN     57
#define SB_T35_USB_HUB_RESET_GPIO   167

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

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

static struct omap_smsc911x_platform_data cm_t35_smsc911x_cfg = {
    .id     = 0,
    .cs             = CM_T35_SMSC911X_CS,
    .gpio_irq       = CM_T35_SMSC911X_GPIO,
    .gpio_reset     = -EINVAL,
    .flags      = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
};

static struct omap_smsc911x_platform_data sb_t35_smsc911x_cfg = {
    .id     = 1,
    .cs             = SB_T35_SMSC911X_CS,
    .gpio_irq       = SB_T35_SMSC911X_GPIO,
    .gpio_reset     = -EINVAL,
    .flags      = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
};

static struct regulator_consumer_supply cm_t35_smsc911x_supplies[] = {
    REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
    REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
};

static struct regulator_consumer_supply sb_t35_smsc911x_supplies[] = {
    REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
    REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
};

static void __init cm_t35_init_ethernet(void)
{
    regulator_register_fixed(0, cm_t35_smsc911x_supplies,
                 ARRAY_SIZE(cm_t35_smsc911x_supplies));
    regulator_register_fixed(1, sb_t35_smsc911x_supplies,
                 ARRAY_SIZE(sb_t35_smsc911x_supplies));

    gpmc_smsc911x_init(&cm_t35_smsc911x_cfg);
    gpmc_smsc911x_init(&sb_t35_smsc911x_cfg);
}
#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 = 0x2A0000 */
        .size           = 32 * NAND_BLOCK_SIZE,
    },
    {
        .name           = "rootfs",
        .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x6A0000 */
        .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),
    .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

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

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(CM_T35_LCD_EN_GPIO, 1);
    gpio_set_value(CM_T35_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(CM_T35_LCD_BL_GPIO, 0);
    gpio_set_value(CM_T35_LCD_EN_GPIO, 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 tfp410_platform_data dvi_panel = {
    .power_down_gpio    = CM_T35_DVI_EN_GPIO,
};

static struct omap_dss_device cm_t35_dvi_device = {
    .name           = "dvi",
    .type           = OMAP_DISPLAY_TYPE_DPI,
    .driver_name        = "tfp410",
    .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 omap2_mcspi_device_config tdo24m_mcspi_config = {
    .turbo_mode = 0,
};

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 struct gpio cm_t35_dss_gpios[] __initdata = {
    { CM_T35_LCD_EN_GPIO, GPIOF_OUT_INIT_LOW,  "lcd enable"    },
    { CM_T35_LCD_BL_GPIO, GPIOF_OUT_INIT_LOW,  "lcd bl enable" },
};

static void __init cm_t35_init_display(void)
{
    int err;

    spi_register_board_info(cm_t35_lcd_spi_board_info,
                ARRAY_SIZE(cm_t35_lcd_spi_board_info));

    err = gpio_request_array(cm_t35_dss_gpios,
                 ARRAY_SIZE(cm_t35_dss_gpios));
    if (err) {
        pr_err("CM-T35: failed to request DSS control GPIOs\n");
        return;
    }

    gpio_export(CM_T35_LCD_EN_GPIO, 0);
    gpio_export(CM_T35_LCD_BL_GPIO, 0);

    msleep(50);
    gpio_set_value(CM_T35_LCD_EN_GPIO, 1);

    err = omap_display_init(&cm_t35_dss_data);
    if (err) {
        pr_err("CM-T35: failed to register DSS device\n");
        gpio_free_array(cm_t35_dss_gpios, ARRAY_SIZE(cm_t35_dss_gpios));
    }
}

static struct regulator_consumer_supply cm_t35_vmmc1_supply[] = {
    REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply cm_t35_vsim_supply[] = {
    REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};

static struct regulator_consumer_supply cm_t35_vio_supplies[] = {
    REGULATOR_SUPPLY("vcc", "spi1.0"),
    REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
    REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi1"),
};

/* 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  = ARRAY_SIZE(cm_t35_vmmc1_supply),
    .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  = ARRAY_SIZE(cm_t35_vsim_supply),
    .consumer_supplies  = cm_t35_vsim_supply,
};

static struct regulator_init_data cm_t35_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,
    },
    .num_consumer_supplies  = ARRAY_SIZE(cm_t35_vio_supplies),
    .consumer_supplies  = cm_t35_vio_supplies,
};

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

static struct usbhs_omap_board_data usbhs_bdata __initdata = {
    .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
    .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
    .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,

    .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 void  __init cm_t35_init_usbh(void)
{
    int err;

    err = gpio_request_one(SB_T35_USB_HUB_RESET_GPIO,
                   GPIOF_OUT_INIT_LOW, "usb hub rst");
    if (err) {
        pr_err("SB-T35: usb hub rst gpio request failed: %d\n", err);
    } else {
        udelay(10);
        gpio_set_value(SB_T35_USB_HUB_RESET_GPIO, 1);
        msleep(1);
    }

    usbhs_init(&usbhs_bdata);
}

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

    if (gpio_request_one(wlan_rst, GPIOF_OUT_INIT_HIGH, "WLAN RST") == 0) {
        gpio_export(wlan_rst, 0);
        udelay(10);
        gpio_set_value_cansleep(wlan_rst, 0);
        udelay(10);
        gpio_set_value_cansleep(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;
    omap_hsmmc_late_init(mmc);

    return 0;
}

static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
    .setup          = cm_t35_twl_gpio_setup,
};

static struct twl4030_power_data cm_t35_power_data = {
    .use_poweroff   = true,
};

static struct twl4030_platform_data cm_t35_twldata = {
    /* platform_data for children goes here */
    .keypad     = &cm_t35_kp_data,
    .gpio       = &cm_t35_gpio_data,
    .vmmc1      = &cm_t35_vmmc1,
    .vsim       = &cm_t35_vsim,
    .vio        = &cm_t35_vio,
    .power      = &cm_t35_power_data,
};

#if defined(CONFIG_VIDEO_OMAP3) || defined(CONFIG_VIDEO_OMAP3_MODULE)
#include <media/omap3isp.h>
#include "devices.h"

static struct i2c_board_info cm_t35_isp_i2c_boardinfo[] = {
    {
        I2C_BOARD_INFO("mt9t001", 0x5d),
    },
    {
        I2C_BOARD_INFO("tvp5150", 0x5c),
    },
};

static struct isp_subdev_i2c_board_info cm_t35_isp_primary_subdevs[] = {
    {
        .board_info = &cm_t35_isp_i2c_boardinfo[0],
        .i2c_adapter_id = 3,
    },
    { NULL, 0, },
};

static struct isp_subdev_i2c_board_info cm_t35_isp_secondary_subdevs[] = {
    {
        .board_info = &cm_t35_isp_i2c_boardinfo[1],
        .i2c_adapter_id = 3,
    },
    { NULL, 0, },
};

static struct isp_v4l2_subdevs_group cm_t35_isp_subdevs[] = {
    {
        .subdevs = cm_t35_isp_primary_subdevs,
        .interface = ISP_INTERFACE_PARALLEL,
        .bus = {
            .parallel = {
                .clk_pol = 1,
            },
        },
    },
    {
        .subdevs = cm_t35_isp_secondary_subdevs,
        .interface = ISP_INTERFACE_PARALLEL,
        .bus = {
            .parallel = {
                .clk_pol = 0,
            },
        },
    },
    { NULL, 0, },
};

static struct isp_platform_data cm_t35_isp_pdata = {
    .subdevs = cm_t35_isp_subdevs,
};

static void __init cm_t35_init_camera(void)
{
    if (omap3_init_camera(&cm_t35_isp_pdata) < 0)
        pr_warn("CM-T3x: Failed registering camera device!\n");
}

#else
static inline void cm_t35_init_camera(void) {}
#endif /* CONFIG_VIDEO_OMAP3 */

static void __init cm_t35_init_i2c(void)
{
    omap3_pmic_get_config(&cm_t35_twldata, TWL_COMMON_PDATA_USB,
                  TWL_COMMON_REGULATOR_VDAC |
                  TWL_COMMON_PDATA_AUDIO);

    omap3_pmic_init("tps65930", &cm_t35_twldata);

    omap_register_i2c_bus(3, 400, NULL, 0);
}

#ifdef CONFIG_OMAP_MUX
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),

    /* common 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_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),

    /* Camera */
    OMAP3_MUX(CAM_HS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_VS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_XCLKA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_FLD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
    OMAP3_MUX(CAM_D8, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
    OMAP3_MUX(CAM_D9, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
    OMAP3_MUX(CAM_STROBE, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),

    OMAP3_MUX(CAM_D10, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLDOWN),
    OMAP3_MUX(CAM_D11, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLDOWN),

    /* 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 void __init cm_t3x_common_dss_mux_init(int mux_mode)
{
    omap_mux_init_signal("dss_data18", mux_mode);
    omap_mux_init_signal("dss_data19", mux_mode);
    omap_mux_init_signal("dss_data20", mux_mode);
    omap_mux_init_signal("dss_data21", mux_mode);
    omap_mux_init_signal("dss_data22", mux_mode);
    omap_mux_init_signal("dss_data23", mux_mode);
}

static void __init cm_t35_init_mux(void)
{
    int mux_mode = OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT;

    omap_mux_init_signal("dss_data0.dss_data0", mux_mode);
    omap_mux_init_signal("dss_data1.dss_data1", mux_mode);
    omap_mux_init_signal("dss_data2.dss_data2", mux_mode);
    omap_mux_init_signal("dss_data3.dss_data3", mux_mode);
    omap_mux_init_signal("dss_data4.dss_data4", mux_mode);
    omap_mux_init_signal("dss_data5.dss_data5", mux_mode);
    cm_t3x_common_dss_mux_init(mux_mode);
}

static void __init cm_t3730_init_mux(void)
{
    int mux_mode = OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT;

    omap_mux_init_signal("sys_boot0", mux_mode);
    omap_mux_init_signal("sys_boot1", mux_mode);
    omap_mux_init_signal("sys_boot3", mux_mode);
    omap_mux_init_signal("sys_boot4", mux_mode);
    omap_mux_init_signal("sys_boot5", mux_mode);
    omap_mux_init_signal("sys_boot6", mux_mode);
    cm_t3x_common_dss_mux_init(mux_mode);
}
#else
static inline void cm_t35_init_mux(void) {}
static inline void cm_t3730_init_mux(void) {}
#endif

static void __init cm_t3x_common_init(void)
{
    omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
    omap_serial_init();
    omap_sdrc_init(mt46h32m32lf6_sdrc_params,
                 mt46h32m32lf6_sdrc_params);
    omap_hsmmc_init(mmc);
    cm_t35_init_i2c();
    omap_ads7846_init(1, CM_T35_GPIO_PENDOWN, 0, NULL);
    cm_t35_init_ethernet();
    cm_t35_init_led();
    cm_t35_init_display();
    omap_twl4030_audio_init("cm-t3x");

    usb_musb_init(NULL);
    cm_t35_init_usbh();
    cm_t35_init_camera();
}

static void __init cm_t35_init(void)
{
    cm_t3x_common_init();
    cm_t35_init_mux();
    cm_t35_init_nand();
}

static void __init cm_t3730_init(void)
{
    cm_t3x_common_init();
    cm_t3730_init_mux();
}

MACHINE_START(CM_T35, "Compulab CM-T35")
    .atag_offset    = 0x100,
    .reserve    = omap_reserve,
    .map_io     = omap3_map_io,
    .init_early = omap35xx_init_early,
    .init_irq   = omap3_init_irq,
    .handle_irq = omap3_intc_handle_irq,
    .init_machine   = cm_t35_init,
    .init_late  = omap35xx_init_late,
    .timer      = &omap3_timer,
    .restart    = omap_prcm_restart,
MACHINE_END

MACHINE_START(CM_T3730, "Compulab CM-T3730")
    .atag_offset    = 0x100,
    .reserve        = omap_reserve,
    .map_io         = omap3_map_io,
    .init_early     = omap3630_init_early,
    .init_irq       = omap3_init_irq,
    .handle_irq = omap3_intc_handle_irq,
    .init_machine   = cm_t3730_init,
    .init_late     = omap3630_init_late,
    .timer          = &omap3_timer,
    .restart    = omap_prcm_restart,
MACHINE_END