text: /*
   * Support for HP iPAQ hx4700 PDAs.
   *
   * Copyright (c) 2008-2009 Philipp Zabel
   *
   * Based on code:
   *    Copyright (c) 2004 Hewlett-Packard Company.
   *    Copyright (c) 2005 SDG Systems, LLC
   *    Copyright (c) 2006 Anton Vorontsov <cbou@mail.ru>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   *
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/platform_device.h>
  #include <linux/delay.h>
  #include <linux/fb.h>
  #include <linux/gpio.h>
  #include <linux/gpio_keys.h>
  #include <linux/input.h>
  #include <linux/input/navpoint.h>
  #include <linux/lcd.h>
  #include <linux/mfd/asic3.h>
  #include <linux/mtd/physmap.h>
  #include <linux/pda_power.h>
  #include <linux/platform_data/gpio-htc-egpio.h>
  #include <linux/pwm.h>
  #include <linux/pwm_backlight.h>
  #include <linux/regulator/driver.h>
  #include <linux/regulator/gpio-regulator.h>
  #include <linux/regulator/machine.h>
  #include <linux/regulator/max1586.h>
  #include <linux/spi/ads7846.h>
  #include <linux/spi/spi.h>
  #include <linux/spi/pxa2xx_spi.h>
  #include <linux/usb/gpio_vbus.h>
  #include <linux/platform_data/i2c-pxa.h>
  
  #include <mach/hardware.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  
  #include "pxa27x.h"
  #include <mach/hx4700.h>
  #include <linux/platform_data/irda-pxaficp.h>
  
  #include <sound/ak4641.h>
  #include <video/platform_lcd.h>
  #include <video/w100fb.h>
  
  #include "devices.h"
  #include "generic.h"
  #include "udc.h"
  
  /* Physical address space information */
  
  #define ATI_W3220_PHYS  PXA_CS2_PHYS /* ATI Imageon 3220 Graphics */
  #define ASIC3_PHYS      PXA_CS3_PHYS
  #define ASIC3_SD_PHYS   (PXA_CS3_PHYS + 0x02000000)
  
  static unsigned long hx4700_pin_config[] __initdata = {
  
  	/* SDRAM and Static Memory I/O Signals */
  	GPIO20_nSDCS_2,
  	GPIO21_nSDCS_3,
  	GPIO15_nCS_1,
  	GPIO78_nCS_2,   /* W3220 */
  	GPIO79_nCS_3,   /* ASIC3 */
  	GPIO80_nCS_4,
  	GPIO33_nCS_5,	/* EGPIO, WLAN */
  
  	/* PC CARD */
  	GPIO48_nPOE,
  	GPIO49_nPWE,
  	GPIO50_nPIOR,
  	GPIO51_nPIOW,
  	GPIO54_nPCE_2,
  	GPIO55_nPREG,
  	GPIO56_nPWAIT,
  	GPIO57_nIOIS16,
  	GPIO85_nPCE_1,
  	GPIO104_PSKTSEL,
  
  	/* I2C */
  	GPIO117_I2C_SCL,
  	GPIO118_I2C_SDA,
  
  	/* FFUART (RS-232) */
  	GPIO34_FFUART_RXD,
  	GPIO35_FFUART_CTS,
  	GPIO36_FFUART_DCD,
  	GPIO37_FFUART_DSR,
  	GPIO38_FFUART_RI,
  	GPIO39_FFUART_TXD,
  	GPIO40_FFUART_DTR,
  	GPIO41_FFUART_RTS,
  
  	/* BTUART */
  	GPIO42_BTUART_RXD,
  	GPIO43_BTUART_TXD_LPM_LOW,
  	GPIO44_BTUART_CTS,
  	GPIO45_BTUART_RTS_LPM_LOW,
  
  	/* STUART (IRDA) */
  	GPIO46_STUART_RXD,
  	GPIO47_STUART_TXD,
  
  	/* PWM 1 (Backlight) */
  	GPIO17_PWM1_OUT,
  
  	/* I2S */
  	GPIO28_I2S_BITCLK_OUT,
  	GPIO29_I2S_SDATA_IN,
  	GPIO30_I2S_SDATA_OUT,
  	GPIO31_I2S_SYNC,
  	GPIO113_I2S_SYSCLK,
  
  	/* SSP 1 (NavPoint) */
  	GPIO23_SSP1_SCLK_IN,
  	GPIO24_SSP1_SFRM,
  	GPIO25_SSP1_TXD,
  	GPIO26_SSP1_RXD,
  
  	/* SSP 2 (TSC2046) */
  	GPIO19_SSP2_SCLK,
  	GPIO86_SSP2_RXD,
  	GPIO87_SSP2_TXD,
  	GPIO88_GPIO | MFP_LPM_DRIVE_HIGH,	/* TSC2046_CS */
  
  	/* BQ24022 Regulator */
  	GPIO72_GPIO | MFP_LPM_KEEP_OUTPUT,	/* BQ24022_nCHARGE_EN */
  	GPIO96_GPIO | MFP_LPM_KEEP_OUTPUT,	/* BQ24022_ISET2 */
  
  	/* HX4700 specific input GPIOs */
  	GPIO12_GPIO | WAKEUP_ON_EDGE_RISE,	/* ASIC3_IRQ */
  	GPIO13_GPIO,	/* W3220_IRQ */
  	GPIO14_GPIO,	/* nWLAN_IRQ */
  
  	/* HX4700 specific output GPIOs */
  	GPIO61_GPIO | MFP_LPM_DRIVE_HIGH,	/* W3220_nRESET */
  	GPIO71_GPIO | MFP_LPM_DRIVE_HIGH,	/* ASIC3_nRESET */
  	GPIO81_GPIO | MFP_LPM_DRIVE_HIGH,	/* CPU_GP_nRESET */
  	GPIO116_GPIO | MFP_LPM_DRIVE_HIGH,	/* CPU_HW_nRESET */
  	GPIO102_GPIO | MFP_LPM_DRIVE_LOW,	/* SYNAPTICS_POWER_ON */
  
  	GPIO10_GPIO,	/* GSM_IRQ */
  	GPIO13_GPIO,	/* CPLD_IRQ */
  	GPIO107_GPIO,	/* DS1WM_IRQ */
  	GPIO108_GPIO,	/* GSM_READY */
  	GPIO58_GPIO,	/* TSC2046_nPENIRQ */
  	GPIO66_GPIO,	/* nSDIO_IRQ */
  };
  
  /*
   * IRDA
   */
  
  static struct pxaficp_platform_data ficp_info = {
  	.gpio_pwdown		= GPIO105_HX4700_nIR_ON,
  	.transceiver_cap	= IR_SIRMODE | IR_OFF,
  };
  
  /*
   * GPIO Keys
   */
  
  #define INIT_KEY(_code, _gpio, _active_low, _desc)	\
  	{						\
  		.code       = KEY_##_code,		\
  		.gpio       = _gpio,			\
  		.active_low = _active_low,		\
  		.desc       = _desc,			\
  		.type       = EV_KEY,			\
  		.wakeup     = 1,			\
  	}
  
  static struct gpio_keys_button gpio_keys_buttons[] = {
  	INIT_KEY(POWER,       GPIO0_HX4700_nKEY_POWER,   1, "Power button"),
  	INIT_KEY(MAIL,        GPIO94_HX4700_KEY_MAIL,    0, "Mail button"),
  	INIT_KEY(ADDRESSBOOK, GPIO99_HX4700_KEY_CONTACTS,0, "Contacts button"),
  	INIT_KEY(RECORD,      GPIOD6_nKEY_RECORD,        1, "Record button"),
  	INIT_KEY(CALENDAR,    GPIOD1_nKEY_CALENDAR,      1, "Calendar button"),
  	INIT_KEY(HOMEPAGE,    GPIOD3_nKEY_HOME,          1, "Home button"),
  };
  
  static struct gpio_keys_platform_data gpio_keys_data = {
  	.buttons = gpio_keys_buttons,
  	.nbuttons = ARRAY_SIZE(gpio_keys_buttons),
  };
  
  static struct platform_device gpio_keys = {
  	.name = "gpio-keys",
  	.dev  = {
  		.platform_data = &gpio_keys_data,
  	},
  	.id   = -1,
  };
  
  /*
   * Synaptics NavPoint connected to SSP1
   */
  
  static struct navpoint_platform_data navpoint_platform_data = {
  	.port	= 1,
  	.gpio	= GPIO102_HX4700_SYNAPTICS_POWER_ON,
  };
  
  static struct platform_device navpoint = {
  	.name	= "navpoint",
  	.id	= -1,
  	.dev = {
  		.platform_data = &navpoint_platform_data,
  	},
  };
  
  /*
   * ASIC3
   */
  
  static u16 asic3_gpio_config[] = {
  	/* ASIC3 GPIO banks A and B along with some of C and D
  	   implement the buffering for the CF slot. */
  	ASIC3_CONFIG_GPIO(0, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(1, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(2, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(3, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(4, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(5, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(6, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(7, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(8, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(9, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(10, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(11, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(12, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(13, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(14, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(15, 1, 1, 0),
  
  	ASIC3_CONFIG_GPIO(16, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(17, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(18, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(19, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(20, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(21, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(22, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(23, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(24, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(25, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(26, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(27, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(28, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(29, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(30, 1, 1, 0),
  	ASIC3_CONFIG_GPIO(31, 1, 1, 0),
  
  	/* GPIOC - CF, LEDs, SD */
  	ASIC3_GPIOC0_LED0,		/* red */
  	ASIC3_GPIOC1_LED1,		/* green */
  	ASIC3_GPIOC2_LED2,		/* blue */
  	ASIC3_GPIOC5_nCIOW,
  	ASIC3_GPIOC6_nCIOR,
  	ASIC3_GPIOC7_nPCE_1,
  	ASIC3_GPIOC8_nPCE_2,
  	ASIC3_GPIOC9_nPOE,
  	ASIC3_GPIOC10_nPWE,
  	ASIC3_GPIOC11_PSKTSEL,
  	ASIC3_GPIOC12_nPREG,
  	ASIC3_GPIOC13_nPWAIT,
  	ASIC3_GPIOC14_nPIOIS16,
  	ASIC3_GPIOC15_nPIOR,
  
  	/* GPIOD: input GPIOs, CF */
  	ASIC3_GPIOD4_CF_nCD,
  	ASIC3_GPIOD11_nCIOIS16,
  	ASIC3_GPIOD12_nCWAIT,
  	ASIC3_GPIOD15_nPIOW,
  };
  
  static struct asic3_led asic3_leds[ASIC3_NUM_LEDS] = {
  	[0] = {
  		.name = "hx4700:amber",
  		.default_trigger = "ds2760-battery.0-charging-blink-full-solid",
  	},
  	[1] = {
  		.name = "hx4700:green",
  		.default_trigger = "unused",
  	},
  	[2] = {
  		.name = "hx4700:blue",
  		.default_trigger = "hx4700-radio",
  	},
  };
  
  static struct resource asic3_resources[] = {
  	/* GPIO part */
  	[0] = DEFINE_RES_MEM(ASIC3_PHYS, ASIC3_MAP_SIZE_16BIT),
  	[1] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO12_HX4700_ASIC3_IRQ)),
  	/* SD part */
  	[2] = DEFINE_RES_MEM(ASIC3_SD_PHYS, ASIC3_MAP_SIZE_16BIT),
  	[3] = DEFINE_RES_IRQ(PXA_GPIO_TO_IRQ(GPIO66_HX4700_ASIC3_nSDIO_IRQ)),
  };
  
  static struct asic3_platform_data asic3_platform_data = {
  	.gpio_config     = asic3_gpio_config,
  	.gpio_config_num = ARRAY_SIZE(asic3_gpio_config),
  	.irq_base        = IRQ_BOARD_START,
  	.gpio_base       = HX4700_ASIC3_GPIO_BASE,
  	.clock_rate      = 4000000,
  	.leds            = asic3_leds,
  };
  
  static struct platform_device asic3 = {
  	.name          = "asic3",
  	.id            = -1,
  	.resource      = asic3_resources,
  	.num_resources = ARRAY_SIZE(asic3_resources),
  	.dev = {
  		.platform_data = &asic3_platform_data,
  	},
  };
  
  /*
   * EGPIO
   */
  
  static struct resource egpio_resources[] = {
  	[0] = DEFINE_RES_MEM(PXA_CS5_PHYS, 0x4),
  };
  
  static struct htc_egpio_chip egpio_chips[] = {
  	[0] = {
  		.reg_start = 0,
  		.gpio_base = HX4700_EGPIO_BASE,
  		.num_gpios = 8,
  		.direction = HTC_EGPIO_OUTPUT,
  	},
  };
  
  static struct htc_egpio_platform_data egpio_info = {
  	.reg_width = 16,
  	.bus_width = 16,
  	.chip      = egpio_chips,
  	.num_chips = ARRAY_SIZE(egpio_chips),
  };
  
  static struct platform_device egpio = {
  	.name          = "htc-egpio",
  	.id            = -1,
  	.resource      = egpio_resources,
  	.num_resources = ARRAY_SIZE(egpio_resources),
  	.dev = {
  		.platform_data = &egpio_info,
  	},
  };
  
  /*
   * LCD - Sony display connected to ATI Imageon w3220
   */
  
  static void sony_lcd_init(void)
  {
  	gpio_set_value(GPIO84_HX4700_LCD_SQN, 1);
  	gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
  	gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
  	gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 0);
  	gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
  	mdelay(10);
  	gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
  	gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
  	mdelay(20);
  
  	gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 1);
  	mdelay(5);
  	gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 1);
  
  	/* FIXME: init w3220 registers here */
  
  	mdelay(5);
  	gpio_set_value(GPIO70_HX4700_LCD_SLIN1, 1);
  	mdelay(10);
  	gpio_set_value(GPIO62_HX4700_LCD_nRESET, 1);
  	mdelay(10);
  	gpio_set_value(GPIO59_HX4700_LCD_PC1, 1);
  	mdelay(10);
  	gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 1);
  }
  
  static void sony_lcd_off(void)
  {
  	gpio_set_value(GPIO59_HX4700_LCD_PC1, 0);
  	gpio_set_value(GPIO62_HX4700_LCD_nRESET, 0);
  	mdelay(10);
  	gpio_set_value(GPIO112_HX4700_LCD_N2V7_7V3_ON, 0);
  	mdelay(10);
  	gpio_set_value(GPIO111_HX4700_LCD_AVDD_3V3_ON, 0);
  	mdelay(10);
  	gpio_set_value(GPIO110_HX4700_LCD_LVDD_3V3_ON, 0);
  }
  
  #ifdef CONFIG_PM
  static void w3220_lcd_suspend(struct w100fb_par *wfb)
  {
  	sony_lcd_off();
  }
  
  static void w3220_lcd_resume(struct w100fb_par *wfb)
  {
  	sony_lcd_init();
  }
  #else
  #define w3220_lcd_resume	NULL
  #define w3220_lcd_suspend	NULL
  #endif
  
  static struct w100_tg_info w3220_tg_info = {
  	.suspend	= w3220_lcd_suspend,
  	.resume		= w3220_lcd_resume,
  };
  
  /*  				 W3220_VGA		QVGA */
  static struct w100_gen_regs w3220_regs = {
  	.lcd_format =        0x00000003,
  	.lcdd_cntl1 =        0x00000000,
  	.lcdd_cntl2 =        0x0003ffff,
  	.genlcd_cntl1 =      0x00abf003,	/* 0x00fff003 */
  	.genlcd_cntl2 =      0x00000003,
  	.genlcd_cntl3 =      0x000102aa,
  };
  
  static struct w100_mode w3220_modes[] = {
  {
  	.xres 		= 480,
  	.yres 		= 640,
  	.left_margin 	= 15,
  	.right_margin 	= 16,
  	.upper_margin 	= 8,
  	.lower_margin 	= 7,
  	.crtc_ss	= 0x00000000,
  	.crtc_ls	= 0xa1ff01f9,	/* 0x21ff01f9 */
  	.crtc_gs	= 0xc0000000,	/* 0x40000000 */
  	.crtc_vpos_gs	= 0x0000028f,
  	.crtc_ps1_active = 0x00000000,	/* 0x41060010 */
  	.crtc_rev	= 0,
  	.crtc_dclk	= 0x80000000,
  	.crtc_gclk	= 0x040a0104,
  	.crtc_goe	= 0,
  	.pll_freq 	= 95,
  	.pixclk_divider = 4,
  	.pixclk_divider_rotated = 4,
  	.pixclk_src     = CLK_SRC_PLL,
  	.sysclk_divider = 0,
  	.sysclk_src     = CLK_SRC_PLL,
  },
  {
  	.xres 		= 240,
  	.yres 		= 320,
  	.left_margin 	= 9,
  	.right_margin 	= 8,
  	.upper_margin 	= 5,
  	.lower_margin 	= 4,
  	.crtc_ss	= 0x80150014,
  	.crtc_ls        = 0xa0fb00f7,
  	.crtc_gs	= 0xc0080007,
  	.crtc_vpos_gs	= 0x00080007,
  	.crtc_rev	= 0x0000000a,
  	.crtc_dclk	= 0x81700030,
  	.crtc_gclk	= 0x8015010f,
  	.crtc_goe	= 0x00000000,
  	.pll_freq 	= 95,
  	.pixclk_divider = 4,
  	.pixclk_divider_rotated = 4,
  	.pixclk_src     = CLK_SRC_PLL,
  	.sysclk_divider = 0,
  	.sysclk_src     = CLK_SRC_PLL,
  },
  };
  
  struct w100_mem_info w3220_mem_info = {
  	.ext_cntl        = 0x09640011,
  	.sdram_mode_reg  = 0x00600021,
  	.ext_timing_cntl = 0x1a001545,	/* 0x15001545 */
  	.io_cntl         = 0x7ddd7333,
  	.size            = 0x1fffff,
  };
  
  struct w100_bm_mem_info w3220_bm_mem_info = {
  	.ext_mem_bw = 0x50413e01,
  	.offset = 0,
  	.ext_timing_ctl = 0x00043f7f,
  	.ext_cntl = 0x00000010,
  	.mode_reg = 0x00250000,
  	.io_cntl = 0x0fff0000,
  	.config = 0x08301480,
  };
  
  static struct w100_gpio_regs w3220_gpio_info = {
  	.init_data1 = 0xdfe00100,	/* GPIO_DATA */
  	.gpio_dir1  = 0xffff0000,	/* GPIO_CNTL1 */
  	.gpio_oe1   = 0x00000000,	/* GPIO_CNTL2 */
  	.init_data2 = 0x00000000,	/* GPIO_DATA2 */
  	.gpio_dir2  = 0x00000000,	/* GPIO_CNTL3 */
  	.gpio_oe2   = 0x00000000,	/* GPIO_CNTL4 */
  };
  
  static struct w100fb_mach_info w3220_info = {
  	.tg        = &w3220_tg_info,
  	.mem       = &w3220_mem_info,
  	.bm_mem    = &w3220_bm_mem_info,
  	.gpio      = &w3220_gpio_info,
  	.regs      = &w3220_regs,
  	.modelist  = w3220_modes,
  	.num_modes = 2,
  	.xtal_freq = 16000000,
  };
  
  static struct resource w3220_resources[] = {
  	[0] = DEFINE_RES_MEM(ATI_W3220_PHYS, SZ_16M),
  };
  
  static struct platform_device w3220 = {
  	.name	= "w100fb",
  	.id	= -1,
  	.dev	= {
  		.platform_data = &w3220_info,
  	},
  	.num_resources = ARRAY_SIZE(w3220_resources),
  	.resource      = w3220_resources,
  };
  
  static void hx4700_lcd_set_power(struct plat_lcd_data *pd, unsigned int power)
  {
  	if (power)
  		sony_lcd_init();
  	else
  		sony_lcd_off();
  }
  
  static struct plat_lcd_data hx4700_lcd_data = {
  	.set_power = hx4700_lcd_set_power,
  };
  
  static struct platform_device hx4700_lcd = {
  	.name = "platform-lcd",
  	.id   = -1,
  	.dev  = {
  		.platform_data = &hx4700_lcd_data,
  		.parent        = &w3220.dev,
  	},
  };
  
  /*
   * Backlight
   */
  
  static struct platform_pwm_backlight_data backlight_data = {
  	.max_brightness = 200,
  	.dft_brightness = 100,
  	.enable_gpio    = -1,
  };
  
  static struct platform_device backlight = {
  	.name = "pwm-backlight",
  	.id   = -1,
  	.dev  = {
  		.parent        = &pxa27x_device_pwm1.dev,
  		.platform_data = &backlight_data,
  	},
  };
  
  static struct pwm_lookup hx4700_pwm_lookup[] = {
  	PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL,
  		   30923, PWM_POLARITY_NORMAL),
  };
  
  /*
   * USB "Transceiver"
   */
  
  static struct gpio_vbus_mach_info gpio_vbus_info = {
  	.gpio_pullup        = GPIO76_HX4700_USBC_PUEN,
  	.gpio_vbus          = GPIOD14_nUSBC_DETECT,
  	.gpio_vbus_inverted = 1,
  };
  
  static struct platform_device gpio_vbus = {
  	.name          = "gpio-vbus",
  	.id            = -1,
  	.dev = {
  		.platform_data = &gpio_vbus_info,
  	},
  };
  
  static struct pxa2xx_udc_mach_info hx4700_udc_info;
  
  /*
   * Touchscreen - TSC2046 connected to SSP2
   */
  
  static const struct ads7846_platform_data tsc2046_info = {
  	.model            = 7846,
  	.vref_delay_usecs = 100,
  	.pressure_max     = 1024,
  	.debounce_max     = 10,
  	.debounce_tol     = 3,
  	.debounce_rep     = 1,
  	.gpio_pendown     = GPIO58_HX4700_TSC2046_nPENIRQ,
  };
  
  static struct pxa2xx_spi_chip tsc2046_chip = {
  	.tx_threshold = 1,
  	.rx_threshold = 2,
  	.timeout      = 64,
  	.gpio_cs      = GPIO88_HX4700_TSC2046_CS,
  };
  
  static struct spi_board_info tsc2046_board_info[] __initdata = {
  	{
  		.modalias        = "ads7846",
  		.bus_num         = 2,
  		.max_speed_hz    = 2600000, /* 100 kHz sample rate */
  		.irq             = PXA_GPIO_TO_IRQ(GPIO58_HX4700_TSC2046_nPENIRQ),
  		.platform_data   = &tsc2046_info,
  		.controller_data = &tsc2046_chip,
  	},
  };
  
  static struct pxa2xx_spi_master pxa_ssp2_master_info = {
  	.num_chipselect = 1,
  	.enable_dma     = 1,
  };
  
  /*
   * External power
   */
  
  static int power_supply_init(struct device *dev)
  {
  	return gpio_request(GPIOD9_nAC_IN, "AC charger detect");
  }
  
  static int hx4700_is_ac_online(void)
  {
  	return !gpio_get_value(GPIOD9_nAC_IN);
  }
  
  static void power_supply_exit(struct device *dev)
  {
  	gpio_free(GPIOD9_nAC_IN);
  }
  
  static char *hx4700_supplicants[] = {
  	"ds2760-battery.0", "backup-battery"
  };
  
  static struct pda_power_pdata power_supply_info = {
  	.init            = power_supply_init,
  	.is_ac_online    = hx4700_is_ac_online,
  	.exit            = power_supply_exit,
  	.supplied_to     = hx4700_supplicants,
  	.num_supplicants = ARRAY_SIZE(hx4700_supplicants),
  };
  
  static struct resource power_supply_resources[] = {
  	[0] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD9_nAC_IN), 1, "ac",
  		IORESOURCE_IRQ |
  		IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
  	[1] = DEFINE_RES_NAMED(PXA_GPIO_TO_IRQ(GPIOD14_nUSBC_DETECT), 1, "usb",
  		IORESOURCE_IRQ |
  		IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE),
  };
  
  static struct platform_device power_supply = {
  	.name = "pda-power",
  	.id   = -1,
  	.dev  = {
  		.platform_data = &power_supply_info,
  	},
  	.resource      = power_supply_resources,
  	.num_resources = ARRAY_SIZE(power_supply_resources),
  };
  
  /*
   * Battery charger
   */
  
  static struct regulator_consumer_supply bq24022_consumers[] = {
  	REGULATOR_SUPPLY("vbus_draw", NULL),
  	REGULATOR_SUPPLY("ac_draw", NULL),
  };
  
  static struct regulator_init_data bq24022_init_data = {
  	.constraints = {
  		.max_uA         = 500000,
  		.valid_ops_mask = REGULATOR_CHANGE_CURRENT|REGULATOR_CHANGE_STATUS,
  	},
  	.num_consumer_supplies  = ARRAY_SIZE(bq24022_consumers),
  	.consumer_supplies      = bq24022_consumers,
  };
  
  static struct gpio bq24022_gpios[] = {
  	{ GPIO96_HX4700_BQ24022_ISET2, GPIOF_OUT_INIT_LOW, "bq24022_iset2" },
  };
  
  static struct gpio_regulator_state bq24022_states[] = {
  	{ .value = 100000, .gpios = (0 << 0) },
  	{ .value = 500000, .gpios = (1 << 0) },
  };
  
  static struct gpio_regulator_config bq24022_info = {
  	.supply_name = "bq24022",
  
  	.enable_gpio = GPIO72_HX4700_BQ24022_nCHARGE_EN,
  	.enable_high = 0,
  	.enabled_at_boot = 0,
  
  	.gpios = bq24022_gpios,
  	.nr_gpios = ARRAY_SIZE(bq24022_gpios),
  
  	.states = bq24022_states,
  	.nr_states = ARRAY_SIZE(bq24022_states),
  
  	.type = REGULATOR_CURRENT,
  	.init_data = &bq24022_init_data,
  };
  
  static struct platform_device bq24022 = {
  	.name = "gpio-regulator",
  	.id   = -1,
  	.dev  = {
  		.platform_data = &bq24022_info,
  	},
  };
  
  /*
   * StrataFlash
   */
  
  static void hx4700_set_vpp(struct platform_device *pdev, int vpp)
  {
  	gpio_set_value(GPIO91_HX4700_FLASH_VPEN, vpp);
  }
  
  static struct resource strataflash_resource[] = {
  	[0] = DEFINE_RES_MEM(PXA_CS0_PHYS, SZ_64M),
  	[1] = DEFINE_RES_MEM(PXA_CS0_PHYS + SZ_64M, SZ_64M),
  };
  
  static struct physmap_flash_data strataflash_data = {
  	.width = 4,
  	.set_vpp = hx4700_set_vpp,
  };
  
  static struct platform_device strataflash = {
  	.name          = "physmap-flash",
  	.id            = -1,
  	.resource      = strataflash_resource,
  	.num_resources = ARRAY_SIZE(strataflash_resource),
  	.dev = {
  		.platform_data = &strataflash_data,
  	},
  };
  
  /*
   * Maxim MAX1587A on PI2C
   */
  
  static struct regulator_consumer_supply max1587a_consumer =
  	REGULATOR_SUPPLY("vcc_core", NULL);
  
  static struct regulator_init_data max1587a_v3_info = {
  	.constraints = {
  		.name = "vcc_core range",
  		.min_uV =  900000,
  		.max_uV = 1705000,
  		.always_on = 1,
  		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  	},
  	.num_consumer_supplies = 1,
  	.consumer_supplies     = &max1587a_consumer,
  };
  
  static struct max1586_subdev_data max1587a_subdev = {
  	.name = "vcc_core",
  	.id   = MAX1586_V3,
  	.platform_data = &max1587a_v3_info,
  };
  
  static struct max1586_platform_data max1587a_info = {
  	.num_subdevs = 1,
  	.subdevs     = &max1587a_subdev,
  	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
  };
  
  static struct i2c_board_info __initdata pi2c_board_info[] = {
  	{
  		I2C_BOARD_INFO("max1586", 0x14),
  		.platform_data = &max1587a_info,
  	},
  };
  
  /*
   * Asahi Kasei AK4641 on I2C
   */
  
  static struct ak4641_platform_data ak4641_info = {
  	.gpio_power = GPIO27_HX4700_CODEC_ON,
  	.gpio_npdn  = GPIO109_HX4700_CODEC_nPDN,
  };
  
  static struct i2c_board_info i2c_board_info[] __initdata = {
  	{
  		I2C_BOARD_INFO("ak4641", 0x12),
  		.platform_data = &ak4641_info,
  	},
  };
  
  static struct platform_device audio = {
  	.name	= "hx4700-audio",
  	.id	= -1,
  };
  
  
  /*
   * Platform devices
   */
  
  static struct platform_device *devices[] __initdata = {
  	&asic3,
  	&gpio_keys,
  	&navpoint,
  	&backlight,
  	&w3220,
  	&hx4700_lcd,
  	&egpio,
  	&bq24022,
  	&gpio_vbus,
  	&power_supply,
  	&strataflash,
  	&audio,
  };
  
  static struct gpio global_gpios[] = {
  	{ GPIO12_HX4700_ASIC3_IRQ, GPIOF_IN, "ASIC3_IRQ" },
  	{ GPIO13_HX4700_W3220_IRQ, GPIOF_IN, "W3220_IRQ" },
  	{ GPIO14_HX4700_nWLAN_IRQ, GPIOF_IN, "WLAN_IRQ" },
  	{ GPIO59_HX4700_LCD_PC1,          GPIOF_OUT_INIT_HIGH, "LCD_PC1" },
  	{ GPIO62_HX4700_LCD_nRESET,       GPIOF_OUT_INIT_HIGH, "LCD_RESET" },
  	{ GPIO70_HX4700_LCD_SLIN1,        GPIOF_OUT_INIT_HIGH, "LCD_SLIN1" },
  	{ GPIO84_HX4700_LCD_SQN,          GPIOF_OUT_INIT_HIGH, "LCD_SQN" },
  	{ GPIO110_HX4700_LCD_LVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_LVDD" },
  	{ GPIO111_HX4700_LCD_AVDD_3V3_ON, GPIOF_OUT_INIT_HIGH, "LCD_AVDD" },
  	{ GPIO32_HX4700_RS232_ON,         GPIOF_OUT_INIT_HIGH, "RS232_ON" },
  	{ GPIO61_HX4700_W3220_nRESET,     GPIOF_OUT_INIT_HIGH, "W3220_nRESET" },
  	{ GPIO71_HX4700_ASIC3_nRESET,     GPIOF_OUT_INIT_HIGH, "ASIC3_nRESET" },
  	{ GPIO81_HX4700_CPU_GP_nRESET,    GPIOF_OUT_INIT_HIGH, "CPU_GP_nRESET" },
  	{ GPIO82_HX4700_EUART_RESET,      GPIOF_OUT_INIT_HIGH, "EUART_RESET" },
  	{ GPIO116_HX4700_CPU_HW_nRESET,   GPIOF_OUT_INIT_HIGH, "CPU_HW_nRESET" },
  };
  
  static void __init hx4700_init(void)
  {
  	int ret;
  
  	PCFR = PCFR_GPR_EN | PCFR_OPDE;
  
  	pxa2xx_mfp_config(ARRAY_AND_SIZE(hx4700_pin_config));
  	gpio_set_wake(GPIO12_HX4700_ASIC3_IRQ, 1);
  	ret = gpio_request_array(ARRAY_AND_SIZE(global_gpios));
  	if (ret)
  		pr_err ("hx4700: Failed to request GPIOs.\n");
  
  	pxa_set_ffuart_info(NULL);
  	pxa_set_btuart_info(NULL);
  	pxa_set_stuart_info(NULL);
  
  	platform_add_devices(devices, ARRAY_SIZE(devices));
  	pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
  
  	pxa_set_ficp_info(&ficp_info);
  	pxa27x_set_i2c_power_info(NULL);
  	pxa_set_i2c_info(NULL);
  	i2c_register_board_info(0, ARRAY_AND_SIZE(i2c_board_info));
  	i2c_register_board_info(1, ARRAY_AND_SIZE(pi2c_board_info));
  	pxa2xx_set_spi_info(2, &pxa_ssp2_master_info);
  	spi_register_board_info(ARRAY_AND_SIZE(tsc2046_board_info));
  
  	gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 0);
  	mdelay(10);
  	gpio_set_value(GPIO71_HX4700_ASIC3_nRESET, 1);
  	mdelay(10);
  
  	pxa_set_udc_info(&hx4700_udc_info);
  	regulator_has_full_constraints();
  }
  
  MACHINE_START(H4700, "HP iPAQ HX4700")
  	.atag_offset  = 0x100,
  	.map_io       = pxa27x_map_io,
  	.nr_irqs      = HX4700_NR_IRQS,
  	.init_irq     = pxa27x_init_irq,
  	.handle_irq     = pxa27x_handle_irq,
  	.init_machine = hx4700_init,
  	.init_time	= pxa_timer_init,
  	.restart	= pxa_restart,
  MACHINE_END
  