[ARM] pxa: PalmT5 initial support
Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Marek Vasut
Eric Miao
parent
1de9e8e70f
commit
0f6ff0f06c
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@ -622,7 +622,7 @@ P: Dirk Opfer
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M: dirk@opfer-online.de
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S: Maintained
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ARM/PALMTX SUPPORT
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ARM/PALMTX,PALMT5 SUPPORT
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P: Marek Vasut
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M: marek.vasut@gmail.com
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W: http://hackndev.com
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@ -319,6 +319,16 @@ config ARCH_PXA_PALM
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bool "PXA based Palm PDAs"
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select HAVE_PWM
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config MACH_PALMT5
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bool "Palm Tungsten|T5"
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default y
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depends on ARCH_PXA_PALM
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select PXA27x
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select IWMMXT
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help
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Say Y here if you intend to run this kernel on a Palm Tungsten|T5
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handheld computer.
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config MACH_PALMTX
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bool "Palm T|X"
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default y
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@ -53,6 +53,7 @@ obj-$(CONFIG_MACH_E740) += e740.o
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obj-$(CONFIG_MACH_E750) += e750.o
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obj-$(CONFIG_MACH_E400) += e400.o
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obj-$(CONFIG_MACH_E800) += e800.o
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obj-$(CONFIG_MACH_PALMT5) += palmt5.o
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obj-$(CONFIG_MACH_PALMTX) += palmtx.o
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obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
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obj-$(CONFIG_ARCH_VIPER) += viper.o
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@ -0,0 +1,84 @@
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/*
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* GPIOs and interrupts for Palm Tungsten|T5 Handheld Computer
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*
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* Authors: Ales Snuparek <snuparek@atlas.cz>
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* Marek Vasut <marek.vasut@gmail.com>
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* Justin Kendrick <twilightsentry@gmail.com>
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* RichardT5 <richard_t5@users.sourceforge.net>
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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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*/
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#ifndef _INCLUDE_PALMT5_H_
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#define _INCLUDE_PALMT5_H_
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/** HERE ARE GPIOs **/
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/* GPIOs */
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#define GPIO_NR_PALMT5_GPIO_RESET 1
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#define GPIO_NR_PALMT5_POWER_DETECT 90
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#define GPIO_NR_PALMT5_HOTSYNC_BUTTON_N 10
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#define GPIO_NR_PALMT5_EARPHONE_DETECT 107
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/* SD/MMC */
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#define GPIO_NR_PALMT5_SD_DETECT_N 14
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#define GPIO_NR_PALMT5_SD_POWER 114
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#define GPIO_NR_PALMT5_SD_READONLY 115
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/* TOUCHSCREEN */
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#define GPIO_NR_PALMT5_WM9712_IRQ 27
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/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
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#define GPIO_NR_PALMT5_IR_DISABLE 40
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/* USB */
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#define GPIO_NR_PALMT5_USB_DETECT_N 15
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#define GPIO_NR_PALMT5_USB_POWER 95
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#define GPIO_NR_PALMT5_USB_PULLUP 93
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/* LCD/BACKLIGHT */
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#define GPIO_NR_PALMT5_BL_POWER 84
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#define GPIO_NR_PALMT5_LCD_POWER 96
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/* BLUETOOTH */
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#define GPIO_NR_PALMT5_BT_POWER 17
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#define GPIO_NR_PALMT5_BT_RESET 83
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/* INTERRUPTS */
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#define IRQ_GPIO_PALMT5_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMT5_SD_DETECT_N)
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#define IRQ_GPIO_PALMT5_WM9712_IRQ IRQ_GPIO(GPIO_NR_PALMT5_WM9712_IRQ)
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#define IRQ_GPIO_PALMT5_USB_DETECT IRQ_GPIO(GPIO_NR_PALMT5_USB_DETECT)
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#define IRQ_GPIO_PALMT5_GPIO_RESET IRQ_GPIO(GPIO_NR_PALMT5_GPIO_RESET)
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/** HERE ARE INIT VALUES **/
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/* Various addresses */
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#define PALMT5_PHYS_RAM_START 0xa0000000
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#define PALMT5_PHYS_IO_START 0x40000000
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/* TOUCHSCREEN */
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#define AC97_LINK_FRAME 21
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/* BATTERY */
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#define PALMT5_BAT_MAX_VOLTAGE 4000 /* 4.00v current voltage */
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#define PALMT5_BAT_MIN_VOLTAGE 3550 /* 3.55v critical voltage */
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#define PALMT5_BAT_MAX_CURRENT 0 /* unknokn */
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#define PALMT5_BAT_MIN_CURRENT 0 /* unknown */
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#define PALMT5_BAT_MAX_CHARGE 1 /* unknown */
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#define PALMT5_BAT_MIN_CHARGE 1 /* unknown */
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#define PALMT5_MAX_LIFE_MINS 360 /* on-life in minutes */
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#define PALMT5_BAT_MEASURE_DELAY (HZ * 1)
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/* BACKLIGHT */
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#define PALMT5_MAX_INTENSITY 0xFE
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#define PALMT5_DEFAULT_INTENSITY 0x7E
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#define PALMT5_LIMIT_MASK 0x7F
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#define PALMT5_PRESCALER 0x3F
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#define PALMT5_PERIOD_NS 3500
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#endif
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@ -0,0 +1,497 @@
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/*
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* Hardware definitions for Palm Tungsten|T5
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*
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* Author: Marek Vasut <marek.vasut@gmail.com>
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*
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* Based on work of:
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* Ales Snuparek <snuparek@atlas.cz>
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* Justin Kendrick <twilightsentry@gmail.com>
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* RichardT5 <richard_t5@users.sourceforge.net>
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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 <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/palmt5.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/pxa-regs.h>
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#include <mach/mfp-pxa27x.h>
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#include <mach/irda.h>
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#include <mach/pxa27x_keypad.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 palmt5_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO14_GPIO, /* SD detect */
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GPIO114_GPIO, /* SD power */
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GPIO115_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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/* IrDA */
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GPIO40_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* USB */
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GPIO15_GPIO, /* usb detect */
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GPIO95_GPIO, /* usb power */
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/* MATRIX KEYPAD */
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GPIO100_KP_MKIN_0,
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GPIO101_KP_MKIN_1,
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GPIO102_KP_MKIN_2,
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GPIO97_KP_MKIN_3,
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GPIO103_KP_MKOUT_0,
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GPIO104_KP_MKOUT_1,
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GPIO105_KP_MKOUT_2,
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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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/* PWM */
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GPIO16_PWM0_OUT,
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/* MISC */
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GPIO10_GPIO, /* hotsync button */
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GPIO90_GPIO, /* power detect */
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GPIO107_GPIO, /* earphone detect */
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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 int palmt5_mci_init(struct device *dev, irq_handler_t palmt5_detect_int,
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void *data)
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{
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int err = 0;
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/* Setup an interrupt for detecting card insert/remove events */
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err = gpio_request(GPIO_NR_PALMT5_SD_DETECT_N, "SD IRQ");
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if (err)
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goto err;
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err = gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N);
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if (err)
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goto err2;
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err = request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N),
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palmt5_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
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IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
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"SD/MMC card detect", data);
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if (err) {
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printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
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__func__);
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goto err2;
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}
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err = gpio_request(GPIO_NR_PALMT5_SD_POWER, "SD_POWER");
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if (err)
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goto err3;
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err = gpio_direction_output(GPIO_NR_PALMT5_SD_POWER, 0);
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if (err)
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goto err4;
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err = gpio_request(GPIO_NR_PALMT5_SD_READONLY, "SD_READONLY");
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if (err)
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goto err4;
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err = gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY);
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if (err)
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goto err5;
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printk(KERN_DEBUG "%s: irq registered\n", __func__);
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return 0;
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err5:
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gpio_free(GPIO_NR_PALMT5_SD_READONLY);
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err4:
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gpio_free(GPIO_NR_PALMT5_SD_POWER);
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err3:
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free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), data);
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err2:
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gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
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err:
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return err;
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}
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static void palmt5_mci_exit(struct device *dev, void *data)
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{
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gpio_free(GPIO_NR_PALMT5_SD_READONLY);
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gpio_free(GPIO_NR_PALMT5_SD_POWER);
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free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N, data);
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gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
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}
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static void palmt5_mci_power(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data *p_d = dev->platform_data;
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gpio_set_value(GPIO_NR_PALMT5_SD_POWER, p_d->ocr_mask & (1 << vdd));
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}
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static int palmt5_mci_get_ro(struct device *dev)
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{
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return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY);
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}
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static struct pxamci_platform_data palmt5_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.setpower = palmt5_mci_power,
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.get_ro = palmt5_mci_get_ro,
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.init = palmt5_mci_init,
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.exit = palmt5_mci_exit,
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};
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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static unsigned int palmt5_matrix_keys[] = {
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KEY(0, 0, KEY_POWER),
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KEY(0, 1, KEY_F1),
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KEY(0, 2, KEY_ENTER),
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KEY(1, 0, KEY_F2),
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KEY(1, 1, KEY_F3),
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KEY(1, 2, KEY_F4),
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KEY(2, 0, KEY_UP),
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KEY(2, 2, KEY_DOWN),
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KEY(3, 0, KEY_RIGHT),
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KEY(3, 2, KEY_LEFT),
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};
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static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
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.matrix_key_rows = 4,
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.matrix_key_cols = 3,
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.matrix_key_map = palmt5_matrix_keys,
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.matrix_key_map_size = ARRAY_SIZE(palmt5_matrix_keys),
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.debounce_interval = 30,
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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 palmt5_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
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};
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static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
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.buttons = palmt5_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
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};
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static struct platform_device palmt5_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 = &palmt5_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 palmt5_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMT5_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_PALMT5_BL_POWER, 0);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMT5_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_PALMT5_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_PALMT5_LCD_POWER);
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err2:
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gpio_free(GPIO_NR_PALMT5_BL_POWER);
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err:
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return ret;
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}
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static int palmt5_backlight_notify(int brightness)
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{
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gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
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gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
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return brightness;
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}
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static void palmt5_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMT5_BL_POWER);
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gpio_free(GPIO_NR_PALMT5_LCD_POWER);
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}
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static struct platform_pwm_backlight_data palmt5_backlight_data = {
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.pwm_id = 0,
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.max_brightness = PALMT5_MAX_INTENSITY,
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.dft_brightness = PALMT5_MAX_INTENSITY,
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.pwm_period_ns = PALMT5_PERIOD_NS,
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.init = palmt5_backlight_init,
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.notify = palmt5_backlight_notify,
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.exit = palmt5_backlight_exit,
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};
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static struct platform_device palmt5_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &palmt5_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 int palmt5_irda_startup(struct device *dev)
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{
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int err;
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err = gpio_request(GPIO_NR_PALMT5_IR_DISABLE, "IR DISABLE");
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if (err)
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goto err;
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err = gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE, 1);
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if (err)
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gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
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err:
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return err;
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}
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static void palmt5_irda_shutdown(struct device *dev)
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||||
{
|
||||
gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
|
||||
}
|
||||
|
||||
static void palmt5_irda_transceiver_mode(struct device *dev, int mode)
|
||||
{
|
||||
gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE, mode & IR_OFF);
|
||||
pxa2xx_transceiver_mode(dev, mode);
|
||||
}
|
||||
|
||||
static struct pxaficp_platform_data palmt5_ficp_platform_data = {
|
||||
.startup = palmt5_irda_startup,
|
||||
.shutdown = palmt5_irda_shutdown,
|
||||
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
|
||||
.transceiver_mode = palmt5_irda_transceiver_mode,
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* UDC
|
||||
******************************************************************************/
|
||||
static struct pxa2xx_udc_mach_info palmt5_udc_info __initdata = {
|
||||
.gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N,
|
||||
.gpio_vbus_inverted = 1,
|
||||
.gpio_pullup = GPIO_NR_PALMT5_USB_POWER,
|
||||
.gpio_pullup_inverted = 0,
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* Power supply
|
||||
******************************************************************************/
|
||||
static int power_supply_init(struct device *dev)
|
||||
{
|
||||
int ret;
|
||||
|
||||
ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
|
||||
if (ret)
|
||||
goto err1;
|
||||
ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
|
||||
if (ret)
|
||||
goto err2;
|
||||
|
||||
return 0;
|
||||
err2:
|
||||
gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
|
||||
err1:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int palmt5_is_ac_online(void)
|
||||
{
|
||||
return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
|
||||
}
|
||||
|
||||
static void power_supply_exit(struct device *dev)
|
||||
{
|
||||
gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
|
||||
}
|
||||
|
||||
static char *palmt5_supplicants[] = {
|
||||
"main-battery",
|
||||
};
|
||||
|
||||
static struct pda_power_pdata power_supply_info = {
|
||||
.init = power_supply_init,
|
||||
.is_ac_online = palmt5_is_ac_online,
|
||||
.exit = power_supply_exit,
|
||||
.supplied_to = palmt5_supplicants,
|
||||
.num_supplicants = ARRAY_SIZE(palmt5_supplicants),
|
||||
};
|
||||
|
||||
static struct platform_device power_supply = {
|
||||
.name = "pda-power",
|
||||
.id = -1,
|
||||
.dev = {
|
||||
.platform_data = &power_supply_info,
|
||||
},
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* WM97xx battery
|
||||
******************************************************************************/
|
||||
static struct wm97xx_batt_info wm97xx_batt_pdata = {
|
||||
.batt_aux = WM97XX_AUX_ID3,
|
||||
.temp_aux = WM97XX_AUX_ID2,
|
||||
.charge_gpio = -1,
|
||||
.max_voltage = PALMT5_BAT_MAX_VOLTAGE,
|
||||
.min_voltage = PALMT5_BAT_MIN_VOLTAGE,
|
||||
.batt_mult = 1000,
|
||||
.batt_div = 414,
|
||||
.temp_mult = 1,
|
||||
.temp_div = 1,
|
||||
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
|
||||
.batt_name = "main-batt",
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* aSoC audio
|
||||
******************************************************************************/
|
||||
static struct palm27x_asoc_info palm27x_asoc_pdata = {
|
||||
.jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT,
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* Framebuffer
|
||||
******************************************************************************/
|
||||
static struct pxafb_mode_info palmt5_lcd_modes[] = {
|
||||
{
|
||||
.pixclock = 57692,
|
||||
.xres = 320,
|
||||
.yres = 480,
|
||||
.bpp = 16,
|
||||
|
||||
.left_margin = 32,
|
||||
.right_margin = 1,
|
||||
.upper_margin = 7,
|
||||
.lower_margin = 1,
|
||||
|
||||
.hsync_len = 4,
|
||||
.vsync_len = 1,
|
||||
},
|
||||
};
|
||||
|
||||
static struct pxafb_mach_info palmt5_lcd_screen = {
|
||||
.modes = palmt5_lcd_modes,
|
||||
.num_modes = ARRAY_SIZE(palmt5_lcd_modes),
|
||||
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* Machine init
|
||||
******************************************************************************/
|
||||
static struct platform_device *devices[] __initdata = {
|
||||
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
||||
&palmt5_pxa_keys,
|
||||
#endif
|
||||
&palmt5_backlight,
|
||||
&power_supply,
|
||||
};
|
||||
|
||||
/* setup udc GPIOs initial state */
|
||||
static void __init palmt5_udc_init(void)
|
||||
{
|
||||
if (!gpio_request(GPIO_NR_PALMT5_USB_POWER, "UDC Vbus")) {
|
||||
gpio_direction_output(GPIO_NR_PALMT5_USB_POWER, 1);
|
||||
gpio_free(GPIO_NR_PALMT5_USB_POWER);
|
||||
}
|
||||
}
|
||||
|
||||
static void __init palmt5_init(void)
|
||||
{
|
||||
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
|
||||
|
||||
set_pxa_fb_info(&palmt5_lcd_screen);
|
||||
pxa_set_mci_info(&palmt5_mci_platform_data);
|
||||
palmt5_udc_init();
|
||||
pxa_set_udc_info(&palmt5_udc_info);
|
||||
pxa_set_ac97_info(NULL);
|
||||
pxa_set_ficp_info(&palmt5_ficp_platform_data);
|
||||
pxa_set_keypad_info(&palmt5_keypad_platform_data);
|
||||
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
||||
palm27x_asoc_set_pdata(&palm27x_asoc_pdata);
|
||||
platform_add_devices(devices, ARRAY_SIZE(devices));
|
||||
}
|
||||
|
||||
MACHINE_START(PALMT5, "Palm Tungsten|T5")
|
||||
.phys_io = PALMT5_PHYS_IO_START,
|
||||
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
||||
.boot_params = 0xa0000100,
|
||||
.map_io = pxa_map_io,
|
||||
.init_irq = pxa27x_init_irq,
|
||||
.timer = &pxa_timer,
|
||||
.init_machine = palmt5_init
|
||||
MACHINE_END
|
||||
Loading…
Reference in New Issue