path: root/arch/arm/mach-pxa/em-x270.c

/*
 * Support for CompuLab EM-X270 platform
 *
 * Copyright (C) 2007, 2008 CompuLab, Ltd.
 * Author: Mike Rapoport <mike@compulab.co.il>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/delay.h>

#include <linux/dm9000.h>
#include <linux/rtc-v3020.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/gpio.h>
#include <linux/mfd/da903x.h>
#include <linux/regulator/machine.h>
#include <linux/spi/spi.h>
#include <linux/spi/tdo24m.h>
#include <linux/spi/libertas_spi.h>
#include <linux/power_supply.h>
#include <linux/apm-emulation.h>

#include <media/soc_camera.h>

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

#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/audio.h>
#include <mach/pxafb.h>
#include <mach/ohci.h>
#include <mach/mmc.h>
#include <mach/pxa27x_keypad.h>
#include <mach/i2c.h>
#include <mach/camera.h>
#include <mach/pxa2xx_spi.h>

#include "generic.h"
#include "devices.h"

/* EM-X270 specific GPIOs */
#define GPIO13_MMC_CD		(13)
#define GPIO95_MMC_WP		(95)
#define GPIO56_NAND_RB		(56)

/* eXeda specific GPIOs */
#define GPIO114_MMC_CD		(114)
#define GPIO20_NAND_RB		(20)
#define GPIO38_SD_PWEN		(38)

/* common  GPIOs */
#define GPIO11_NAND_CS		(11)
#define GPIO93_CAM_RESET	(93)
#define GPIO41_ETHIRQ		(41)
#define EM_X270_ETHIRQ		IRQ_GPIO(GPIO41_ETHIRQ)
#define GPIO115_WLAN_PWEN	(115)
#define GPIO19_WLAN_STRAP	(19)

static int mmc_cd;
static int nand_rb;
static int dm9000_flags;

static unsigned long common_pin_config[] = {
	/* AC'97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO98_AC97_SYSCLK,
	GPIO113_AC97_nRESET,

	/* BTUART */
	GPIO42_BTUART_RXD,
	GPIO43_BTUART_TXD,
	GPIO44_BTUART_CTS,
	GPIO45_BTUART_RTS,

	/* STUART */
	GPIO46_STUART_RXD,
	GPIO47_STUART_TXD,

	/* MCI controller */
	GPIO32_MMC_CLK,
	GPIO112_MMC_CMD,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,

	/* LCD */
	GPIO58_LCD_LDD_0,
	GPIO59_LCD_LDD_1,
	GPIO60_LCD_LDD_2,
	GPIO61_LCD_LDD_3,
	GPIO62_LCD_LDD_4,
	GPIO63_LCD_LDD_5,
	GPIO64_LCD_LDD_6,
	GPIO65_LCD_LDD_7,
	GPIO66_LCD_LDD_8,
	GPIO67_LCD_LDD_9,
	GPIO68_LCD_LDD_10,
	GPIO69_LCD_LDD_11,
	GPIO70_LCD_LDD_12,
	GPIO71_LCD_LDD_13,
	GPIO72_LCD_LDD_14,
	GPIO73_LCD_LDD_15,
	GPIO74_LCD_FCLK,
	GPIO75_LCD_LCLK,
	GPIO76_LCD_PCLK,
	GPIO77_LCD_BIAS,

	/* QCI */
	GPIO84_CIF_FV,
	GPIO25_CIF_LV,
	GPIO53_CIF_MCLK,
	GPIO54_CIF_PCLK,
	GPIO81_CIF_DD_0,
	GPIO55_CIF_DD_1,
	GPIO51_CIF_DD_2,
	GPIO50_CIF_DD_3,
	GPIO52_CIF_DD_4,
	GPIO48_CIF_DD_5,
	GPIO17_CIF_DD_6,
	GPIO12_CIF_DD_7,

	/* I2C */
	GPIO117_I2C_SCL,
	GPIO118_I2C_SDA,

	/* Keypad */
	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
	GPIO34_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
	GPIO39_KP_MKIN_4	| WAKEUP_ON_LEVEL_HIGH,
	GPIO99_KP_MKIN_5	| WAKEUP_ON_LEVEL_HIGH,
	GPIO91_KP_MKIN_6	| WAKEUP_ON_LEVEL_HIGH,
	GPIO36_KP_MKIN_7	| WAKEUP_ON_LEVEL_HIGH,
	GPIO103_KP_MKOUT_0,
	GPIO104_KP_MKOUT_1,
	GPIO105_KP_MKOUT_2,
	GPIO106_KP_MKOUT_3,
	GPIO107_KP_MKOUT_4,
	GPIO108_KP_MKOUT_5,
	GPIO96_KP_MKOUT_6,
	GPIO22_KP_MKOUT_7,

	/* SSP1 */
	GPIO26_SSP1_RXD,
	GPIO23_SSP1_SCLK,
	GPIO24_SSP1_SFRM,
	GPIO57_SSP1_TXD,

	/* SSP2 */
	GPIO19_GPIO,	/* SSP2 clock is used as GPIO for Libertas pin-strap */
	GPIO14_GPIO,
	GPIO89_SSP2_TXD,
	GPIO88_SSP2_RXD,

	/* SDRAM and local bus */
	GPIO15_nCS_1,
	GPIO78_nCS_2,
	GPIO79_nCS_3,
	GPIO80_nCS_4,
	GPIO49_nPWE,
	GPIO18_RDY,

	/* GPIO */
	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,	/* sleep/resume button */

	/* power controls */
	GPIO20_GPIO	| MFP_LPM_DRIVE_LOW,	/* GPRS_PWEN */
	GPIO93_GPIO	| MFP_LPM_DRIVE_LOW,	/* Camera reset */
	GPIO115_GPIO	| MFP_LPM_DRIVE_LOW,	/* WLAN_PWEN */

	/* NAND controls */
	GPIO11_GPIO	| MFP_LPM_DRIVE_HIGH,	/* NAND CE# */

	/* interrupts */
	GPIO41_GPIO,	/* DM9000 interrupt */
};

static unsigned long em_x270_pin_config[] = {
	GPIO13_GPIO,	/* MMC card detect */
	GPIO56_GPIO,	/* NAND Ready/Busy */
	GPIO95_GPIO,	/* MMC Write protect */
};

static unsigned long exeda_pin_config[] = {
	GPIO20_GPIO,				/* NAND Ready/Busy */
	GPIO38_GPIO	| MFP_LPM_DRIVE_LOW,	/* SD slot power */
	GPIO114_GPIO,				/* MMC card detect */
};

#if