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mioa701.c

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

#include <mach/pxa27x.h>
#include <mach/regs-rtc.h>
#include <plat/pxa27x_keypad.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <mach/udc.h>
#include <mach/pxa27x-udc.h>
#include <plat/i2c.h>
#include <mach/camera.h>
#include <mach/audio.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,

      /* 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),
};

#define MIO_GPIO_IN(num, _desc) \
      { .gpio = (num), .dir = 0, .desc = (_desc) }
#define MIO_GPIO_OUT(num, _init, _desc) \
      { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
struct gpio_ress {
      unsigned gpio : 8;
      unsigned dir : 1;
      unsigned init : 1;
      char *desc;
};

static int mio_gpio_request(struct gpio_ress *gpios, int size)
{
      int i, rc = 0;
      int gpio;
      int dir;

      for (i = 0; (!rc) && (i < size); i++) {
            gpio = gpios[i].gpio;
            dir = gpios[i].dir;
            rc = gpio_request(gpio, gpios[i].desc);
            if (rc) {
                  printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
                         gpio, gpios[i].desc, rc);
                  continue;
            }
            if (dir)
                  gpio_direction_output(gpio, gpios[i].init);
            else
                  gpio_direction_input(gpio);
      }
      while ((rc) && (--i >= 0))
            gpio_free(gpios[i].gpio);
      return rc;
}

static void mio_gpio_free(struct gpio_ress *gpios, int size)
{
      int i;

      for (i = 0; i < size; i++)
            gpio_free(gpios[i].gpio);
}

/* 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;
}

struct gpio_ress gsm_gpios[] = {
      MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"),
      MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"),
};

static int __init gsm_init(void)
{
      int rc;

      rc = mio_gpio_request(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");
      mio_gpio_free(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);
      mio_gpio_free(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
 */
/**
 * The card detect interrupt isn't debounced so we delay it by 250ms
 * to give the card a chance to fully insert/eject.
 */
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 strataflash_resource = {
      .start = PXA_CS0_PHYS,
      .end   = PXA_CS0_PHYS + SZ_64M - 1,
      .flags = IORESOURCE_MEM,
};

static struct physmap_flash_data strataflash_data = {
      .width = 2,
      /* .set_vpp = mioa701_set_vpp, */
};

static struct platform_device strataflash = {
      .name        = "physmap-flash",
      .id          = -1,
      .resource      = &strataflash_resource,
      .num_resources = 1,
      .dev = {
            .platform_data = &strataflash_data,
      },
};

/*
 * Suspend/Resume bootstrap management
 *
 * MIO A701 reboot sequence is highly ROM dependant. 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(struct sys_device *sysdev, pm_message_t state)
{
      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 int mioa701_sys_resume(struct sys_device *sysdev)
{
      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++];

      return 0;
}

static struct sysdev_class mioa701_sysclass = {
      .name = "mioa701",
};

static struct sys_device sysdev_bootstrap = {
      .cls        = &mioa701_sysclass,
};

static struct sysdev_driver driver_bootstrap = {
      .suspend    = &mioa701_sys_suspend,
      .resume           = &mioa701_sys_resume,
};

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

      rc = sysdev_class_register(&mioa701_sysclass);
      if (rc) {
            printk(KERN_ERR "Failed registering mioa701 sys class\n");
            return -ENODEV;
      }
      rc = sysdev_register(&sysdev_bootstrap);
      if (rc) {
            printk(KERN_ERR "Failed registering mioa701 sys device\n");
            return -ENODEV;
      }
      rc = sysdev_driver_register(&mioa701_sysclass, &driver_bootstrap);
      if (rc) {
            printk(KERN_ERR "Failed registering PMU sys driver\n");
            return -ENODEV;
      }

      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);
      sysdev_driver_unregister(&mioa701_sysclass, &driver_bootstrap);
      sysdev_unregister(&sysdev_bootstrap);
      sysdev_class_unregister(&mioa701_sysclass);

      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      = gpio_to_irq(GPIO96_AC_DETECT),
            .end  = gpio_to_irq(GPIO96_AC_DETECT),
            .flags      = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE |
            IORESOURCE_IRQ_LOWEDGE,
      },
      [1] = {
            .name = "usb",
            .start      = gpio_to_irq(GPIO13_nUSB_DETECT),
            .end  = 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[] = {
      {
            .supply = "vcc_core",
      }
};

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,
      &strataflash,
      &gpio_vbus,
      &mioa701_camera,
      &mioa701_board,
};

static void mioa701_machine_exit(void);

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

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

static struct gpio_ress global_gpios[] = {
      MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"),
      MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"),
      MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"),
};

static void __init mioa701_machine_init(void)
{
      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;

      pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config));
      pxa_set_ffuart_info(NULL);
      pxa_set_btuart_info(NULL);
      pxa_set_stuart_info(NULL);
      mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
      bootstrap_init();
      set_pxa_fb_info(&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;
      arm_pm_restart = mioa701_restart;
      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")
      .boot_params      = 0xa0000100,
      .map_io           = &pxa27x_map_io,
      .init_irq   = &pxa27x_init_irq,
      .init_machine     = mioa701_machine_init,
      .timer            = &pxa_timer,
MACHINE_END

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