836 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			836 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Handles the Mitac Mio A701 Board
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|  *
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|  * Copyright (C) 2008 Robert Jarzmik
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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 as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * 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>
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| #include <linux/init.h>
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| #include <linux/platform_device.h>
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| #include <linux/sysdev.h>
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| #include <linux/input.h>
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| #include <linux/delay.h>
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| #include <linux/gpio_keys.h>
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| #include <linux/pwm_backlight.h>
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| #include <linux/rtc.h>
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| #include <linux/leds.h>
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| #include <linux/gpio.h>
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| #include <linux/interrupt.h>
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| #include <linux/irq.h>
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| #include <linux/pda_power.h>
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| #include <linux/power_supply.h>
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| #include <linux/wm97xx_batt.h>
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| #include <linux/mtd/physmap.h>
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| #include <linux/usb/gpio_vbus.h>
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| #include <linux/regulator/max1586.h>
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| 
 | |
| #include <asm/mach-types.h>
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| #include <asm/mach/arch.h>
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| 
 | |
| #include <mach/pxa27x.h>
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| #include <mach/regs-rtc.h>
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| #include <mach/pxa27x_keypad.h>
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| #include <mach/pxafb.h>
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| #include <mach/mmc.h>
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| #include <mach/udc.h>
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| #include <mach/pxa27x-udc.h>
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| #include <plat/i2c.h>
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| #include <mach/camera.h>
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| #include <mach/audio.h>
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| #include <media/soc_camera.h>
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| 
 | |
| #include <mach/mioa701.h>
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| 
 | |
| #include "generic.h"
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| #include "devices.h"
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| 
 | |
| static unsigned long mioa701_pin_config[] = {
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| 	/* Mio global */
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| 	MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW),
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| 	MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH),
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| 	MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH),
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| 	MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0),
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| 
 | |
| 	/* Backlight PWM 0 */
 | |
| 	GPIO16_PWM0_OUT,
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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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| 	MIO_CFG_IN(GPIO78_SDIO_RO, AF0),
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| 	MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0),
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| 	MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW),
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| 
 | |
| 	/* USB */
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| 	MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0),
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| 	MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
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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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| 
 | |
| 	/* QCI */
 | |
| 	GPIO12_CIF_DD_7,
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| 	GPIO17_CIF_DD_6,
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| 	GPIO50_CIF_DD_3,
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| 	GPIO51_CIF_DD_2,
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| 	GPIO52_CIF_DD_4,
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| 	GPIO53_CIF_MCLK,
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| 	GPIO54_CIF_PCLK,
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| 	GPIO55_CIF_DD_1,
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| 	GPIO81_CIF_DD_0,
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| 	GPIO82_CIF_DD_5,
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| 	GPIO84_CIF_FV,
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| 	GPIO85_CIF_LV,
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| 
 | |
| 	/* Bluetooth */
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| 	MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0),
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| 	GPIO44_BTUART_CTS,
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| 	GPIO42_BTUART_RXD,
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| 	GPIO45_BTUART_RTS,
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| 	GPIO43_BTUART_TXD,
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| 	MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH),
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| 
 | |
| 	/* GPS */
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| 	MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW),
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| 	GPIO46_STUART_RXD,
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| 	GPIO47_STUART_TXD,
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| 
 | |
| 	/* GSM */
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| 	MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW),
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| 	MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH),
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| 	MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0),
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| 	MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH,
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| 	GPIO34_FFUART_RXD,
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| 	GPIO35_FFUART_CTS,
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| 	GPIO36_FFUART_DCD,
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| 	GPIO37_FFUART_DSR,
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| 	GPIO39_FFUART_TXD,
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| 	GPIO40_FFUART_DTR,
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| 	GPIO41_FFUART_RTS,
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| 
 | |
| 	/* Sound */
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| 	GPIO89_AC97_SYSCLK,
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| 	MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
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| 
 | |
| 	/* Leds */
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| 	MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH),
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| 	MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH),
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| 
 | |
| 	/* Keyboard */
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| 	MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH,
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| 	MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0),
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| 	MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0),
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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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| 	GPIO103_KP_MKOUT_0,
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| 	GPIO104_KP_MKOUT_1,
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| 	GPIO105_KP_MKOUT_2,
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| 
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| 	/* I2C */
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| 	GPIO117_I2C_SCL,
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| 	GPIO118_I2C_SDA,
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| 
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| 	/* Unknown */
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| 	MFP_CFG_IN(GPIO20, AF0),
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| 	MFP_CFG_IN(GPIO21, AF0),
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| 	MFP_CFG_IN(GPIO33, AF0),
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| 	MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH),
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| 	MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH),
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| 	MFP_CFG_IN(GPIO96, AF0),
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| 	MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH),
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| };
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| 
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| #define MIO_GPIO_IN(num, _desc) \
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| 	{ .gpio = (num), .dir = 0, .desc = (_desc) }
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| #define MIO_GPIO_OUT(num, _init, _desc) \
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| 	{ .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) }
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| struct gpio_ress {
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| 	unsigned gpio : 8;
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| 	unsigned dir : 1;
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| 	unsigned init : 1;
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| 	char *desc;
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| };
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| 
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| static int mio_gpio_request(struct gpio_ress *gpios, int size)
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| {
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| 	int i, rc = 0;
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| 	int gpio;
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| 	int dir;
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| 
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| 	for (i = 0; (!rc) && (i < size); i++) {
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| 		gpio = gpios[i].gpio;
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| 		dir = gpios[i].dir;
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| 		rc = gpio_request(gpio, gpios[i].desc);
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| 		if (rc) {
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| 			printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n",
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| 			       gpio, gpios[i].desc, rc);
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| 			continue;
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| 		}
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| 		if (dir)
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| 			gpio_direction_output(gpio, gpios[i].init);
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| 		else
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| 			gpio_direction_input(gpio);
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| 	}
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| 	while ((rc) && (--i >= 0))
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| 		gpio_free(gpios[i].gpio);
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| 	return rc;
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| }
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| 
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| static void mio_gpio_free(struct gpio_ress *gpios, int size)
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| {
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| 	int i;
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| 
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| 	for (i = 0; i < size; i++)
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| 		gpio_free(gpios[i].gpio);
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| }
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| 
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| /* LCD Screen and Backlight */
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| static struct platform_pwm_backlight_data mioa701_backlight_data = {
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| 	.pwm_id		= 0,
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| 	.max_brightness	= 100,
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| 	.dft_brightness	= 50,
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| 	.pwm_period_ns	= 4000 * 1024,	/* Fl = 250kHz */
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| };
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| 
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| /*
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|  * LTM0305A776C LCD panel timings
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|  *
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|  * see:
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|  *  - the LTM0305A776C datasheet,
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|  *  - and the PXA27x Programmers' manual
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|  */
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| static struct pxafb_mode_info mioa701_ltm0305a776c = {
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| 	.pixclock		= 220000,	/* CLK=4.545 MHz */
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| 	.xres			= 240,
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| 	.yres			= 320,
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| 	.bpp			= 16,
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| 	.hsync_len		= 4,
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| 	.vsync_len		= 2,
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| 	.left_margin		= 6,
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| 	.right_margin		= 4,
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| 	.upper_margin		= 5,
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| 	.lower_margin		= 3,
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| };
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| 
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| static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si)
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| {
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| 	gpio_set_value(GPIO87_LCD_POWER, on);
 | |
| }
 | |
| 
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| static struct pxafb_mach_info mioa701_pxafb_info = {
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| 	.modes			= &mioa701_ltm0305a776c,
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| 	.num_modes		= 1,
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| 	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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| 	.pxafb_lcd_power	= mioa701_lcd_power,
 | |
| };
 | |
| 
 | |
| /*
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|  * Keyboard configuration
 | |
|  */
 | |
| static unsigned int mioa701_matrix_keys[] = {
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| 	KEY(0, 0, KEY_UP),
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| 	KEY(0, 1, KEY_RIGHT),
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| 	KEY(0, 2, KEY_MEDIA),
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| 	KEY(1, 0, KEY_DOWN),
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| 	KEY(1, 1, KEY_ENTER),
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| 	KEY(1, 2, KEY_CONNECT),	/* GPS key */
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| 	KEY(2, 0, KEY_LEFT),
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| 	KEY(2, 1, KEY_PHONE),	/* Phone Green key */
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| 	KEY(2, 2, KEY_CAMERA)	/* Camera key */
 | |
| };
 | |
| static struct pxa27x_keypad_platform_data mioa701_keypad_info = {
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| 	.matrix_key_rows = 3,
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| 	.matrix_key_cols = 3,
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| 	.matrix_key_map = mioa701_matrix_keys,
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| 	.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,
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| 	.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 = {
 | |
| 	.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_info 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",
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * 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 __initdata 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,
 | |
| 	.module_name	= "mt9m111",
 | |
| };
 | |
| 
 | |
| struct i2c_pxa_platform_data i2c_pdata = {
 | |
| 	.fast_mode = 1,
 | |
| };
 | |
| 
 | |
| static pxa2xx_audio_ops_t mioa701_ac97_info = {
 | |
| 	.reset_gpio = 95,
 | |
| };
 | |
| 
 | |
| /*
 | |
|  * 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));
 | |
| 	mio_gpio_request(ARRAY_AND_SIZE(global_gpios));
 | |
| 	bootstrap_init();
 | |
| 	set_pxa_fb_info(&mioa701_pxafb_info);
 | |
| 	mioa701_mci_info.detect_delay = msecs_to_jiffies(250);
 | |
| 	pxa_set_mci_info(&mioa701_mci_info);
 | |
| 	pxa_set_keypad_info(&mioa701_keypad_info);
 | |
| 	wm97xx_bat_set_pdata(&mioa701_battery_data);
 | |
| 	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")
 | |
| 	.phys_io	= 0x40000000,
 | |
| 	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
 | |
| 	.boot_params	= 0xa0000100,
 | |
| 	.map_io		= &pxa_map_io,
 | |
| 	.init_irq	= &pxa27x_init_irq,
 | |
| 	.init_machine	= mioa701_machine_init,
 | |
| 	.timer		= &pxa_timer,
 | |
| MACHINE_END
 |