mioa701.c

Go to the documentation of this file.

/*
 * Handles the Mitac Mio A701 Board
 *
 * Copyright (C) 2008 Robert Jarzmik
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/syscore_ops.h>
#include <linux/input.h>
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/pwm_backlight.h>
#include <linux/rtc.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/pda_power.h>
#include <linux/power_supply.h>
#include <linux/wm97xx.h>
#include <linux/mtd/physmap.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/regulator/max1586.h>
#include <linux/slab.h>
#include <linux/i2c/pxa-i2c.h>

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

#include <mach/pxa27x.h>
#include <mach/regs-rtc.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <mach/udc.h>
#include <mach/pxa27x-udc.h>
#include <linux/platform_data/camera-pxa.h>
#include <mach/audio.h>
#include <mach/smemc.h>
#include <media/soc_camera.h>

#include <mach/mioa701.h>

#include "generic.h"
#include "devices.h"

static unsigned long mioa701_pin_config[] = {
    /* Mio global */
    MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
    MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
    MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
    MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),

    /* Backlight PWM 0 */
    GPIO16_PWM0_OUT,

    /* MMC */
    GPIO32_MMC_CLK,
    GPIO92_MMC_DAT_0,
    GPIO109_MMC_DAT_1,
    GPIO110_MMC_DAT_2,
    GPIO111_MMC_DAT_3,
    GPIO112_MMC_CMD,
    MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
    MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
    MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),

    /* USB */
    MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
    MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),

    /* LCD */
    GPIOxx_LCD_TFT_16BPP,

    /* QCI */
    GPIO12_CIF_DD_7,
    GPIO17_CIF_DD_6,
    GPIO50_CIF_DD_3,
    GPIO51_CIF_DD_2,
    GPIO52_CIF_DD_4,
    GPIO53_CIF_MCLK,
    GPIO54_CIF_PCLK,
    GPIO55_CIF_DD_1,
    GPIO81_CIF_DD_0,
    GPIO82_CIF_DD_5,
    GPIO84_CIF_FV,
    GPIO85_CIF_LV,
    MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW),

    /* Bluetooth */
    MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
    GPIO44_BTUART_CTS,
    GPIO42_BTUART_RXD,
    GPIO45_BTUART_RTS,
    GPIO43_BTUART_TXD,
    MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),

    /* GPS */
    MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
    GPIO46_STUART_RXD,
    GPIO47_STUART_TXD,

    /* GSM */
    MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
    MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
    MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
    MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
    GPIO34_FFUART_RXD,
    GPIO35_FFUART_CTS,
    GPIO36_FFUART_DCD,
    GPIO37_FFUART_DSR,
    GPIO39_FFUART_TXD,
    GPIO40_FFUART_DTR,
    GPIO41_FFUART_RTS,

    /* Sound */
    GPIO28_AC97_BITCLK,
    GPIO29_AC97_SDATA_IN_0,
    GPIO30_AC97_SDATA_OUT,
    GPIO31_AC97_SYNC,
    GPIO89_AC97_SYSCLK,
    MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),

    /* Leds */
    MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
    MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),

    /* Keyboard */
    MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
    MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
    MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
    GPIO100_KP_MKIN_0,
    GPIO101_KP_MKIN_1,
    GPIO102_KP_MKIN_2,
    GPIO103_KP_MKOUT_0,
    GPIO104_KP_MKOUT_1,
    GPIO105_KP_MKOUT_2,

    /* I2C */
    GPIO117_I2C_SCL,
    GPIO118_I2C_SDA,

    /* Unknown */
    MFP_CFG_IN(GPIO20, AF0),
    MFP_CFG_IN(GPIO21, AF0),
    MFP_CFG_IN(GPIO33, AF0),
    MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
    MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
    MFP_CFG_IN(GPIO96, AF0),
    MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
};

/* LCD Screen and Backlight */
static struct platform_pwm_backlight_data mioa701_backlight_data = {
    .pwm_id     = 0,
    .max_brightness = 100,
    .dft_brightness = 50,
    .pwm_period_ns  = 4000 * 1024,  /* Fl = 250kHz */
};

/*
 * LTM0305A776C LCD panel timings
 *
 * see:
 *  - the LTM0305A776C datasheet,
 *  - and the PXA27x Programmers' manual
 */
static struct pxafb_mode_info mioa701_ltm0305a776c = {
    .pixclock       = 220000,   /* CLK=4.545 MHz */
    .xres           = 240,
    .yres           = 320,
    .bpp            = 16,
    .hsync_len      = 4,
    .vsync_len      = 2,
    .left_margin        = 6,
    .right_margin       = 4,
    .upper_margin       = 5,
    .lower_margin       = 3,
};

static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
{
    gpio_set_value(GPIO87_LCD_POWER, on);
}

static struct pxafb_mach_info mioa701_pxafb_info = {
    .modes          = &mioa701_ltm0305a776c,
    .num_modes      = 1,
    .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
    .pxafb_lcd_power    = mioa701_lcd_power,
};

/*
 * Keyboard configuration
 */
static unsigned int mioa701_matrix_keys[] = {
    KEY(0, 0, KEY_UP),
    KEY(0, 1, KEY_RIGHT),
    KEY(0, 2, KEY_MEDIA),
    KEY(1, 0, KEY_DOWN),
    KEY(1, 1, KEY_ENTER),
    KEY(1, 2, KEY_CONNECT), /* GPS key */
    KEY(2, 0, KEY_LEFT),
    KEY(2, 1, KEY_PHONE),   /* Phone Green key */
    KEY(2, 2, KEY_CAMERA)   /* Camera key */
};
static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
    .matrix_key_rows = 3,
    .matrix_key_cols = 3,
    .matrix_key_map = mioa701_matrix_keys,
    .matrix_key_map_size = ARRAY_SIZE(mioa701_matrix_keys),
};

/*
 * GPIO Key Configuration
 */
#define MIO_KEY(key, _gpio, _desc, _wakeup) \
    { .code = (key), .gpio = (_gpio), .active_low = 0, \
    .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) }
static struct gpio_keys_button mioa701_button_table[] = {
    MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1),
    MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0),
    MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0),
    MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0)
};

static struct gpio_keys_platform_data mioa701_gpio_keys_data = {
    .buttons  = mioa701_button_table,
    .nbuttons = ARRAY_SIZE(mioa701_button_table),
};

/*
 * Leds and vibrator
 */
#define ONE_LED(_gpio, _name) \
{ .gpio = (_gpio), .name = (_name), .active_low = true }
static struct gpio_led gpio_leds[] = {
    ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"),
    ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"),
    ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"),
    ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"),
    ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard")
};

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

/*
 * GSM Sagem XS200 chip
 *
 * GSM handling was purged from kernel. For history, this is the way to go :
 *   - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1
 *            GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1
 *   - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100),
 *             GPIO24_GSM_MOD_RESET_CMD = 0
 *   - turn on  : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000),
 *                GPIO88_GSM_nMOD_ON_CMD = 1
 *   - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000),
 *                GPIO90_GSM_nMOD_OFF_CMD = 1
 */
static int is_gsm_on(void)
{
    int is_on;

    is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE);
    return is_on;
}

irqreturn_t gsm_on_irq(int irq, void *p)
{
    printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n",
           is_gsm_on() ? "on" : "off");
    return IRQ_HANDLED;
}

static struct gpio gsm_gpios[] = {
    { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
    { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
};

static int __init gsm_init(void)
{
    int rc;

    rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
    if (rc)
        goto err_gpio;
    rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq,
             IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
             "GSM XS200 Power Irq", NULL);
    if (rc)
        goto err_irq;

    gpio_set_wake(GPIO113_GSM_EVENT, 1);
    return 0;

err_irq:
    printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n");
    gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
err_gpio:
    printk(KERN_ERR "Mioa701: gsm not available\n");
    return rc;
}

static void gsm_exit(void)
{
    free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL);
    gpio_free_array(ARRAY_AND_SIZE(gsm_gpios));
}

/*
 * Bluetooth BRF6150 chip
 *
 * BT handling was purged from kernel. For history, this is the way to go :
 * - turn on  : GPIO83_BT_ON = 1
 * - turn off : GPIO83_BT_ON = 0
 */

/*
 * GPS Sirf Star III chip
 *
 * GPS handling was purged from kernel. For history, this is the way to go :
 * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 *          GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0
 * - turn on  : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1
 * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0
 */

/*
 * USB UDC
 */
static int is_usb_connected(void)
{
    return !gpio_get_value(GPIO13_nUSB_DETECT);
}

static struct pxa2xx_udc_mach_info mioa701_udc_info = {
    .udc_is_connected = is_usb_connected,
    .gpio_pullup      = GPIO22_USB_ENABLE,
};

struct gpio_vbus_mach_info gpio_vbus_data = {
    .gpio_vbus = GPIO13_nUSB_DETECT,
    .gpio_vbus_inverted = 1,
    .gpio_pullup = -1,
};

/*
 * SDIO/MMC Card controller
 */
static struct pxamci_platform_data mioa701_mci_info = {
    .detect_delay_ms    = 250,
    .ocr_mask       = MMC_VDD_32_33 | MMC_VDD_33_34,
    .gpio_card_detect   = GPIO15_SDIO_INSERT,
    .gpio_card_ro       = GPIO78_SDIO_RO,
    .gpio_power     = GPIO91_SDIO_EN,
};

/* FlashRAM */
static struct resource docg3_resource = {
    .start = PXA_CS0_PHYS,
    .end   = PXA_CS0_PHYS + SZ_8K - 1,
    .flags = IORESOURCE_MEM,
};

static struct platform_device docg3 = {
    .name          = "docg3",
    .id        = -1,
    .resource      = &docg3_resource,
    .num_resources = 1,
    .dev = {
        .platform_data = NULL,
    },
};

/*
 * Suspend/Resume bootstrap management
 *
 * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled,
 * this sequence is as follows :
 *   - disables interrupts
 *   - initialize SDRAM (self refresh RAM into active RAM)
 *   - initialize GPIOs (depends on value at 0xa020b020)
 *   - initialize coprossessors
 *   - if edge detect on PWR_SCL(GPIO3), then proceed to cold start
 *   - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start
 *   - else do a resume, ie. jump to addr 0xa0100000
 */
#define RESUME_ENABLE_ADDR  0xa020b000
#define RESUME_ENABLE_VAL   0x0f0f0f0f
#define RESUME_BT_ADDR      0xa020b020
#define RESUME_UNKNOWN_ADDR 0xa020b024
#define RESUME_VECTOR_ADDR  0xa0100000
#define BOOTSTRAP_WORDS     mioa701_bootstrap_lg/4

static u32 *save_buffer;

static void install_bootstrap(void)
{
    int i;
    u32 *rom_bootstrap  = phys_to_virt(RESUME_VECTOR_ADDR);
    u32 *src = &mioa701_bootstrap;

    for (i = 0; i < BOOTSTRAP_WORDS; i++)
        rom_bootstrap[i] = src[i];
}


static int mioa701_sys_suspend(void)
{
    int i = 0, is_bt_on;
    u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
    u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
    u32 *mem_resume_bt  = phys_to_virt(RESUME_BT_ADDR);
    u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);

    /* Devices prepare suspend */
    is_bt_on = !!gpio_get_value(GPIO83_BT_ON);
    pxa2xx_mfp_set_lpm(GPIO83_BT_ON,
               is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW);

    for (i = 0; i < BOOTSTRAP_WORDS; i++)
        save_buffer[i] = mem_resume_vector[i];
    save_buffer[i++] = *mem_resume_enabler;
    save_buffer[i++] = *mem_resume_bt;
    save_buffer[i++] = *mem_resume_unknown;

    *mem_resume_enabler = RESUME_ENABLE_VAL;
    *mem_resume_bt      = is_bt_on;

    install_bootstrap();
    return 0;
}

static void mioa701_sys_resume(void)
{
    int i = 0;
    u32 *mem_resume_vector  = phys_to_virt(RESUME_VECTOR_ADDR);
    u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR);
    u32 *mem_resume_bt  = phys_to_virt(RESUME_BT_ADDR);
    u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR);

    for (i = 0; i < BOOTSTRAP_WORDS; i++)
        mem_resume_vector[i] = save_buffer[i];
    *mem_resume_enabler = save_buffer[i++];
    *mem_resume_bt      = save_buffer[i++];
    *mem_resume_unknown = save_buffer[i++];
}

static struct syscore_ops mioa701_syscore_ops = {
    .suspend    = mioa701_sys_suspend,
    .resume     = mioa701_sys_resume,
};

static int __init bootstrap_init(void)
{
    int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3);

    register_syscore_ops(&mioa701_syscore_ops);

    save_buffer = kmalloc(save_size, GFP_KERNEL);
    if (!save_buffer)
        return -ENOMEM;
    printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n",
           save_size);
    return 0;
}

static void bootstrap_exit(void)
{
    kfree(save_buffer);
    unregister_syscore_ops(&mioa701_syscore_ops);

    printk(KERN_CRIT "Unregistering mioa701 suspend will hang next"
           "resume !!!\n");
}

/*
 * Power Supply
 */
static char *supplicants[] = {
    "mioa701_battery"
};

static int is_ac_connected(void)
{
    return gpio_get_value(GPIO96_AC_DETECT);
}

static void mioa701_set_charge(int flags)
{
    gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB));
}

static struct pda_power_pdata power_pdata = {
    .is_ac_online   = is_ac_connected,
    .is_usb_online  = is_usb_connected,
    .set_charge = mioa701_set_charge,
    .supplied_to = supplicants,
    .num_supplicants = ARRAY_SIZE(supplicants),
};

static struct resource power_resources[] = {
    [0] = {
        .name   = "ac",
        .start  = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
        .end    = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT),
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
        IORESOURCE_IRQ_LOWEDGE,
    },
    [1] = {
        .name   = "usb",
        .start  = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
        .end    = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT),
        .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
        IORESOURCE_IRQ_LOWEDGE,
    },
};

static struct platform_device power_dev = {
    .name       = "pda-power",
    .id     = -1,
    .resource   = power_resources,
    .num_resources  = ARRAY_SIZE(power_resources),
    .dev = {
        .platform_data  = &power_pdata,
    },
};

static struct wm97xx_batt_pdata mioa701_battery_data = {
    .batt_aux   = WM97XX_AUX_ID1,
    .temp_aux   = -1,
    .charge_gpio    = -1,
    .min_voltage    = 0xc00,
    .max_voltage    = 0xfc0,
    .batt_tech  = POWER_SUPPLY_TECHNOLOGY_LION,
    .batt_div   = 1,
    .batt_mult  = 1,
    .batt_name  = "mioa701_battery",
};

static struct wm97xx_pdata mioa701_wm97xx_pdata = {
    .batt_pdata = &mioa701_battery_data,
};

/*
 * Voltage regulation
 */
static struct regulator_consumer_supply max1586_consumers[] = {
    REGULATOR_SUPPLY("vcc_core", NULL),
};

static struct regulator_init_data max1586_v3_info = {
    .constraints = {
        .name = "vcc_core range",
        .min_uV = 1000000,
        .max_uV = 1705000,
        .always_on = 1,
        .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
    },
    .num_consumer_supplies = ARRAY_SIZE(max1586_consumers),
    .consumer_supplies = max1586_consumers,
};

static struct max1586_subdev_data max1586_subdevs[] = {
    { .name = "vcc_core", .id = MAX1586_V3,
      .platform_data = &max1586_v3_info },
};

static struct max1586_platform_data max1586_info = {
    .subdevs = max1586_subdevs,
    .num_subdevs = ARRAY_SIZE(max1586_subdevs),
    .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */
};

/*
 * Camera interface
 */
struct pxacamera_platform_data mioa701_pxacamera_platform_data = {
    .flags  = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
        PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
    .mclk_10khz = 5000,
};

static struct i2c_board_info __initdata mioa701_pi2c_devices[] = {
    {
        I2C_BOARD_INFO("max1586", 0x14),
        .platform_data = &max1586_info,
    },
};

/* Board I2C devices. */
static struct i2c_board_info mioa701_i2c_devices[] = {
    {
        I2C_BOARD_INFO("mt9m111", 0x5d),
    },
};

static struct soc_camera_link iclink = {
    .bus_id     = 0, /* Match id in pxa27x_device_camera in device.c */
    .board_info = &mioa701_i2c_devices[0],
    .i2c_adapter_id = 0,
};

struct i2c_pxa_platform_data i2c_pdata = {
    .fast_mode = 1,
};

static pxa2xx_audio_ops_t mioa701_ac97_info = {
    .reset_gpio = 95,
    .codec_pdata = { &mioa701_wm97xx_pdata, },
};

/*
 * Mio global
 */

/* Devices */
#define MIO_PARENT_DEV(var, strname, tparent, pdata)    \
static struct platform_device var = {           \
    .name       = strname,          \
    .id     = -1,               \
    .dev        = {             \
        .platform_data = pdata,         \
        .parent = tparent,          \
    },                      \
};
#define MIO_SIMPLE_DEV(var, strname, pdata) \
    MIO_PARENT_DEV(var, strname, NULL, pdata)

MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys",      &mioa701_gpio_keys_data)
MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight",  &pxa27x_device_pwm0.dev,
        &mioa701_backlight_data);
MIO_SIMPLE_DEV(mioa701_led,   "leds-gpio",      &gpio_led_info)
MIO_SIMPLE_DEV(pxa2xx_pcm,    "pxa2xx-pcm",     NULL)
MIO_SIMPLE_DEV(mioa701_sound,     "mioa701-wm9713", NULL)
MIO_SIMPLE_DEV(mioa701_board,     "mioa701-board",  NULL)
MIO_SIMPLE_DEV(gpio_vbus,     "gpio-vbus",      &gpio_vbus_data);
MIO_SIMPLE_DEV(mioa701_camera,    "soc-camera-pdrv",&iclink);

static struct platform_device *devices[] __initdata = {
    &mioa701_gpio_keys,
    &mioa701_backlight,
    &mioa701_led,
    &pxa2xx_pcm,
    &mioa701_sound,
    &power_dev,
    &docg3,
    &gpio_vbus,
    &mioa701_camera,
    &mioa701_board,
};

static void mioa701_machine_exit(void);

static void mioa701_poweroff(void)
{
    mioa701_machine_exit();
    pxa_restart('s', NULL);
}

static void mioa701_restart(char c, const char *cmd)
{
    mioa701_machine_exit();
    pxa_restart('s', cmd);
}

static struct gpio global_gpios[] = {
    { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
    { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
    { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
    { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" },
};

static void __init mioa701_machine_init(void)
{
    int rc;

    PSLR  = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
    PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
    RTTR = 32768 - 1; /* Reset crazy WinCE value */
    UP2OCR = UP2OCR_HXOE;

    /*
     * Set up the flash memory : DiskOnChip G3 on first static memory bank
     */
    __raw_writel(0x7ff02dd8, MSC0);
    __raw_writel(0x0001c391, MCMEM0);
    __raw_writel(0x0001c391, MCATT0);
    __raw_writel(0x0001c391, MCIO0);


    pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
    pxa_set_ffuart_info(NULL);
    pxa_set_btuart_info(NULL);
    pxa_set_stuart_info(NULL);
    rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
    if (rc)
        pr_err("MioA701: Failed to request GPIOs: %d", rc);
    bootstrap_init();
    pxa_set_fb_info(NULL, &mioa701_pxafb_info);
    pxa_set_mci_info(&mioa701_mci_info);
    pxa_set_keypad_info(&mioa701_keypad_info);
    pxa_set_udc_info(&mioa701_udc_info);
    pxa_set_ac97_info(&mioa701_ac97_info);
    pm_power_off = mioa701_poweroff;
    platform_add_devices(devices, ARRAY_SIZE(devices));
    gsm_init();

    i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices));
    pxa_set_i2c_info(&i2c_pdata);
    pxa27x_set_i2c_power_info(NULL);
    pxa_set_camera_info(&mioa701_pxacamera_platform_data);
}

static void mioa701_machine_exit(void)
{
    bootstrap_exit();
    gsm_exit();
}

MACHINE_START(MIOA701, "MIO A701")
    .atag_offset    = 0x100,
    .restart_mode   = 's',
    .map_io     = &pxa27x_map_io,
    .nr_irqs    = PXA_NR_IRQS,
    .init_irq   = &pxa27x_init_irq,
    .handle_irq = &pxa27x_handle_irq,
    .init_machine   = mioa701_machine_init,
    .timer      = &pxa_timer,
    .restart    = mioa701_restart,
MACHINE_END