395 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			395 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Hardware definitions for Palm Tungsten|E2
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 *
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 * Author:
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 *	Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
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 *
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 * Rewrite for mainline:
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 *	Marek Vasut <marek.vasut@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License version 2 as
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 * published by the Free Software Foundation.
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 *
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 * (find more info at www.hackndev.com)
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 *
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 */
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/pda_power.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/wm97xx_batt.h>
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#include <linux/power_supply.h>
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#include <linux/usb/gpio_vbus.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/audio.h>
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#include <mach/palmte2.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/mfp-pxa25x.h>
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#include <mach/irda.h>
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#include <mach/udc.h>
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#include <mach/palmasoc.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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 * Pin configuration
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 ******************************************************************************/
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static unsigned long palmte2_pin_config[] __initdata = {
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	/* MMC */
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	GPIO6_MMC_CLK,
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	GPIO8_MMC_CS0,
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	GPIO10_GPIO,	/* SD detect */
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	GPIO55_GPIO,	/* SD power */
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	GPIO51_GPIO,	/* SD r/o switch */
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	/* AC97 */
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	GPIO28_AC97_BITCLK,
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	GPIO29_AC97_SDATA_IN_0,
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	GPIO30_AC97_SDATA_OUT,
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	GPIO31_AC97_SYNC,
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	/* PWM */
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	GPIO16_PWM0_OUT,
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	/* USB */
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	GPIO15_GPIO,	/* usb detect */
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	GPIO53_GPIO,	/* usb power */
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	/* IrDA */
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	GPIO48_GPIO,	/* ir disable */
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	GPIO46_FICP_RXD,
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	GPIO47_FICP_TXD,
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	/* LCD */
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	GPIO58_LCD_LDD_0,
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	GPIO59_LCD_LDD_1,
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	GPIO60_LCD_LDD_2,
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	GPIO61_LCD_LDD_3,
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	GPIO62_LCD_LDD_4,
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	GPIO63_LCD_LDD_5,
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	GPIO64_LCD_LDD_6,
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	GPIO65_LCD_LDD_7,
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	GPIO66_LCD_LDD_8,
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	GPIO67_LCD_LDD_9,
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	GPIO68_LCD_LDD_10,
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	GPIO69_LCD_LDD_11,
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	GPIO70_LCD_LDD_12,
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	GPIO71_LCD_LDD_13,
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	GPIO72_LCD_LDD_14,
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	GPIO73_LCD_LDD_15,
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	GPIO74_LCD_FCLK,
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	GPIO75_LCD_LCLK,
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	GPIO76_LCD_PCLK,
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	GPIO77_LCD_BIAS,
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	/* GPIO KEYS */
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	GPIO5_GPIO,	/* notes */
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	GPIO7_GPIO,	/* tasks */
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	GPIO11_GPIO,	/* calendar */
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	GPIO13_GPIO,	/* contacts */
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	GPIO14_GPIO,	/* center */
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	GPIO19_GPIO,	/* left */
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	GPIO20_GPIO,	/* right */
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	GPIO21_GPIO,	/* down */
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	GPIO22_GPIO,	/* up */
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	/* MISC */
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	GPIO1_RST,	/* reset */
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	GPIO4_GPIO,	/* Hotsync button */
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	GPIO9_GPIO,	/* power detect */
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	GPIO15_GPIO,	/* earphone detect */
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	GPIO37_GPIO,	/* LCD power */
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	GPIO56_GPIO,	/* Backlight power */
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};
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/******************************************************************************
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 * SD/MMC card controller
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 ******************************************************************************/
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static struct pxamci_platform_data palmte2_mci_platform_data = {
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	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
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	.gpio_card_detect	= GPIO_NR_PALMTE2_SD_DETECT_N,
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	.gpio_card_ro		= GPIO_NR_PALMTE2_SD_READONLY,
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	.gpio_power		= GPIO_NR_PALMTE2_SD_POWER,
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};
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/******************************************************************************
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 * GPIO keys
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 ******************************************************************************/
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static struct gpio_keys_button palmte2_pxa_buttons[] = {
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	{KEY_F1,	GPIO_NR_PALMTE2_KEY_CONTACTS,	1, "Contacts" },
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	{KEY_F2,	GPIO_NR_PALMTE2_KEY_CALENDAR,	1, "Calendar" },
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	{KEY_F3,	GPIO_NR_PALMTE2_KEY_TASKS,	1, "Tasks" },
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	{KEY_F4,	GPIO_NR_PALMTE2_KEY_NOTES,	1, "Notes" },
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	{KEY_ENTER,	GPIO_NR_PALMTE2_KEY_CENTER,	1, "Center" },
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	{KEY_LEFT,	GPIO_NR_PALMTE2_KEY_LEFT,	1, "Left" },
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	{KEY_RIGHT,	GPIO_NR_PALMTE2_KEY_RIGHT,	1, "Right" },
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	{KEY_DOWN,	GPIO_NR_PALMTE2_KEY_DOWN,	1, "Down" },
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	{KEY_UP,	GPIO_NR_PALMTE2_KEY_UP,		1, "Up" },
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};
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static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
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	.buttons	= palmte2_pxa_buttons,
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	.nbuttons	= ARRAY_SIZE(palmte2_pxa_buttons),
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};
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static struct platform_device palmte2_pxa_keys = {
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	.name	= "gpio-keys",
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	.id	= -1,
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	.dev	= {
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		.platform_data = &palmte2_pxa_keys_data,
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	},
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};
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/******************************************************************************
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 * Backlight
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 ******************************************************************************/
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static int palmte2_backlight_init(struct device *dev)
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{
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	int ret;
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	ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
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	if (ret)
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		goto err;
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	ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
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	if (ret)
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		goto err2;
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	ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
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	if (ret)
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		goto err2;
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	ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
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	if (ret)
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		goto err3;
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	return 0;
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err3:
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	gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
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err2:
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	gpio_free(GPIO_NR_PALMTE2_BL_POWER);
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err:
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	return ret;
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}
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static int palmte2_backlight_notify(int brightness)
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{
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	gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
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	gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
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	return brightness;
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}
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static void palmte2_backlight_exit(struct device *dev)
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{
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	gpio_free(GPIO_NR_PALMTE2_BL_POWER);
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	gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
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}
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static struct platform_pwm_backlight_data palmte2_backlight_data = {
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	.pwm_id		= 0,
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	.max_brightness	= PALMTE2_MAX_INTENSITY,
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	.dft_brightness	= PALMTE2_MAX_INTENSITY,
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	.pwm_period_ns	= PALMTE2_PERIOD_NS,
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	.init		= palmte2_backlight_init,
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	.notify		= palmte2_backlight_notify,
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	.exit		= palmte2_backlight_exit,
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};
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static struct platform_device palmte2_backlight = {
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	.name	= "pwm-backlight",
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	.dev	= {
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		.parent		= &pxa25x_device_pwm0.dev,
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		.platform_data	= &palmte2_backlight_data,
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	},
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};
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/******************************************************************************
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 * IrDA
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 ******************************************************************************/
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static struct pxaficp_platform_data palmte2_ficp_platform_data = {
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	.gpio_pwdown		= GPIO_NR_PALMTE2_IR_DISABLE,
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	.transceiver_cap	= IR_SIRMODE | IR_OFF,
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};
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/******************************************************************************
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 * UDC
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 ******************************************************************************/
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static struct gpio_vbus_mach_info palmte2_udc_info = {
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	.gpio_vbus		= GPIO_NR_PALMTE2_USB_DETECT_N,
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	.gpio_vbus_inverted	= 1,
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	.gpio_pullup		= GPIO_NR_PALMTE2_USB_PULLUP,
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};
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static struct platform_device palmte2_gpio_vbus = {
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	.name	= "gpio-vbus",
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	.id	= -1,
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	.dev	= {
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		.platform_data	= &palmte2_udc_info,
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	},
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};
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/******************************************************************************
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 * Power supply
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 ******************************************************************************/
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static int power_supply_init(struct device *dev)
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{
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	int ret;
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	ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
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	if (ret)
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		goto err1;
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	ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
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	if (ret)
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		goto err2;
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	return 0;
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err2:
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	gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
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err1:
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	return ret;
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}
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static int palmte2_is_ac_online(void)
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{
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	return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
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}
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static void power_supply_exit(struct device *dev)
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{
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	gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
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}
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static char *palmte2_supplicants[] = {
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	"main-battery",
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};
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static struct pda_power_pdata power_supply_info = {
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	.init            = power_supply_init,
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	.is_ac_online    = palmte2_is_ac_online,
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	.exit            = power_supply_exit,
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	.supplied_to     = palmte2_supplicants,
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	.num_supplicants = ARRAY_SIZE(palmte2_supplicants),
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};
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static struct platform_device power_supply = {
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	.name = "pda-power",
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	.id   = -1,
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	.dev  = {
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		.platform_data = &power_supply_info,
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	},
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};
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/******************************************************************************
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 * WM97xx battery
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 ******************************************************************************/
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static struct wm97xx_batt_info wm97xx_batt_pdata = {
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	.batt_aux	= WM97XX_AUX_ID3,
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	.temp_aux	= WM97XX_AUX_ID2,
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	.charge_gpio	= -1,
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	.max_voltage	= PALMTE2_BAT_MAX_VOLTAGE,
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	.min_voltage	= PALMTE2_BAT_MIN_VOLTAGE,
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	.batt_mult	= 1000,
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	.batt_div	= 414,
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	.temp_mult	= 1,
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	.temp_div	= 1,
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	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
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	.batt_name	= "main-batt",
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};
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/******************************************************************************
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 * aSoC audio
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 ******************************************************************************/
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static struct palm27x_asoc_info palmte2_asoc_pdata = {
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	.jack_gpio	= GPIO_NR_PALMTE2_EARPHONE_DETECT,
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};
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static struct platform_device palmte2_asoc = {
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	.name = "palm27x-asoc",
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	.id   = -1,
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	.dev  = {
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		.platform_data = &palmte2_asoc_pdata,
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	},
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};
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/******************************************************************************
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 * Framebuffer
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 ******************************************************************************/
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static struct pxafb_mode_info palmte2_lcd_modes[] = {
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{
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	.pixclock	= 77757,
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	.xres		= 320,
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	.yres		= 320,
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	.bpp		= 16,
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	.left_margin	= 28,
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	.right_margin	= 7,
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	.upper_margin	= 7,
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	.lower_margin	= 5,
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	.hsync_len	= 4,
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	.vsync_len	= 1,
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},
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};
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static struct pxafb_mach_info palmte2_lcd_screen = {
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	.modes		= palmte2_lcd_modes,
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	.num_modes	= ARRAY_SIZE(palmte2_lcd_modes),
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	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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/******************************************************************************
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 * Machine init
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 ******************************************************************************/
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static struct platform_device *devices[] __initdata = {
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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	&palmte2_pxa_keys,
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#endif
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	&palmte2_backlight,
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	&power_supply,
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	&palmte2_asoc,
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	&palmte2_gpio_vbus,
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};
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/* setup udc GPIOs initial state */
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static void __init palmte2_udc_init(void)
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{
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	if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
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		gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
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		gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
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	}
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}
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static void __init palmte2_init(void)
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{
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	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
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	set_pxa_fb_info(&palmte2_lcd_screen);
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	pxa_set_mci_info(&palmte2_mci_platform_data);
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	palmte2_udc_init();
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	pxa_set_ac97_info(NULL);
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	pxa_set_ficp_info(&palmte2_ficp_platform_data);
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	wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
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	platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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MACHINE_START(PALMTE2, "Palm Tungsten|E2")
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	.phys_io	= 0x40000000,
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	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
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	.boot_params	= 0xa0000100,
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	.map_io		= pxa_map_io,
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	.init_irq	= pxa25x_init_irq,
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	.timer		= &pxa_timer,
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	.init_machine	= palmte2_init
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MACHINE_END
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