path: root/arch/arm/mach-pxa/raumfeld.c

/*
 * arch/arm/mach-pxa/raumfeld.c
 *
 * Support for the following Raumfeld devices:
 *
 * 	* Controller
 *  	* Connector
 *  	* Speaker S/M
 *
 * See http://www.raumfeld.com for details.
 *
 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
 *
 * 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/init.h>
#include <linux/kernel.h>
#include <linux/sysdev.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/smsc911x.h>
#include <linux/input.h>
#include <linux/rotary_encoder.h>
#include <linux/gpio_keys.h>
#include <linux/input/eeti_ts.h>
#include <linux/leds.h>
#include <linux/w1-gpio.h>
#include <linux/sched.h>
#include <linux/pwm_backlight.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/lis3lv02d.h>
#include <linux/pda_power.h>
#include <linux/power_supply.h>
#include <linux/pda_power.h>
#include <linux/power_supply.h>
#include <linux/regulator/max8660.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/consumer.h>
#include <linux/delay.h>

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

#include <mach/hardware.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa3xx.h>
#include <mach/mfp-pxa300.h>
#include <mach/ohci.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <plat/i2c.h>
#include <plat/pxa3xx_nand.h>

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

/* common GPIO	definitions */

/* inputs */
#define GPIO_ON_OFF		(14)
#define GPIO_VOLENC_A		(19)
#define GPIO_VOLENC_B		(20)
#define GPIO_CHARGE_DONE	(23)
#define GPIO_CHARGE_IND		(27)
#define GPIO_TOUCH_IRQ		(32)
#define GPIO_ETH_IRQ		(40)
#define GPIO_SPI_MISO		(98)
#define GPIO_ACCEL_IRQ		(104)
#define GPIO_RESCUE_BOOT	(115)
#define GPIO_DOCK_DETECT	(116)
#define GPIO_KEY1		(117)
#define GPIO_KEY2		(118)
#define GPIO_KEY3		(119)
#define GPIO_CHARGE_USB_OK	(112)
#define GPIO_CHARGE_DC_OK	(101)
#define GPIO_CHARGE_USB_SUSP	(102)

/* outputs */
#define GPIO_SHUTDOWN_SUPPLY	(16)
#define GPIO_SHUTDOWN_BATT	(18)
#define GPIO_CHRG_PEN2		(31)
#define GPIO_TFT_VA_EN		(33)
#define GPIO_SPDIF_CS		(34)
#define GPIO_LED2		(35)
#define GPIO_LED1		(36)
#define GPIO_SPDIF_RESET	(38)
#define GPIO_SPI_CLK		(95)
#define GPIO_MCLK_DAC_CS	(96)
#define GPIO_SPI_MOSI		(97)
#define GPIO_W1_PULLUP_ENABLE	(105)
#define GPIO_DISPLAY_ENABLE	(106)
#define GPIO_MCLK_RESET		(111)
#define GPIO_W2W_RESET		(113)
#define GPIO_W2W_PDN		(114)
#define GPIO_CODEC_RESET	(120)
#define GPIO_AUDIO_VA_ENABLE	(124)
#define GPIO_ACCEL_CS		(125)
#define GPIO_ONE_WIRE		(126)

/*
 * GPIO configurations
 */
static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
	/* UART1 */
	GPIO77_UART1_RXD,
	GPIO78_UART1_TXD,
	GPIO79_UART1_CTS,
	GPIO81_UART1_DSR,
	GPIO83_UART1_DTR,
	GPIO84_UART1_RTS,

	/* UART3 */
	GPIO110_UART3_RXD,

	/* USB Host */
	GPIO0_2_USBH_PEN,
	GPIO1_2_USBH_PWR,

	/* I2C */
	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,

	/* SPI */
	GPIO34_GPIO,	/* SPDIF_CS */
	GPIO96_GPIO,	/* MCLK_CS */
	GPIO125_GPIO,	/* ACCEL_CS */

	/* MMC */
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO7_MMC1_CLK,
	GPIO8_MMC1_CMD,

	/* One-wire */
	GPIO126_GPIO | MFP_LPM_FLOAT,
	GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,

	/* CHRG_USB_OK */
	GPIO101_GPIO | MFP_PULL_HIGH,
	/* CHRG_USB_OK */
	GPIO112_GPIO | MFP_PULL_HIGH,
	/* CHRG_USB_SUSP */
	GPIO102_GPIO,
	/* DISPLAY_ENABLE */
	GPIO106_GPIO,
	/* DOCK_DETECT */
	GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,

	/* LCD */
	GPIO54_LCD_LDD_0,
	GPIO55_LCD_LDD_1,
	GPIO56_LCD_LDD_2,
	GPIO57_LCD_LDD_3,
	GPIO58_LCD_LDD_4,
	GPIO59_LCD_LDD_5,
	GPIO60_LCD_LDD_6,
	GPIO61_LCD_LDD_7,
	GPIO62_LCD_LDD_8,
	GPIO63_LCD_LDD_9,
	GPIO64_LCD_LDD_10,
	GPIO65_LCD_LDD_11,
	GPIO66_LCD_LDD_12,
	GPIO67_LCD_LDD_13,
	GPIO68_LCD_LDD_14,
	GPIO69_LCD_LDD_15,
	GPIO70_LCD_LDD_16,
	GPIO71_LCD_LDD_17,
	GPIO72_LCD_FCLK,
	GPIO73_LCD_LCLK,
	GPIO74_LCD_PCLK,
	GPIO75_LCD_BIAS,
};

static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
	/* UART1 */
	GPIO77_UART1_RXD,
	GPIO78_UART1_TXD,
	GPIO79_UART1_CTS,
	GPIO81_UART1_DSR,
	GPIO83_UART1_DTR,
	GPIO84_UART1_RTS,

	/* UART3 */
	GPIO110_UART3_RXD,

	/* USB Host */
	GPIO0_2_USBH_PEN,
	GPIO1_2_USBH_PWR,

	/* I2C */
	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,

	/* SPI */
	GPIO34_GPIO,	/* SPDIF_CS */
	GPIO96_GPIO,	/* MCLK_CS */
	GPIO125_GPIO,	/* ACCEL_CS */

	/* MMC */
	GPIO3_MMC1_DAT0,
	GPIO4_MMC1_DAT1,
	GPIO5_MMC1_DAT2,
	GPIO6_MMC1_DAT3,
	GPIO7_MMC1_CLK,
	GPIO8_MMC1_CMD,

	/* Ethernet */
	GPIO1_nCS2,			/* CS */
	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */

	/* SSP for I2S */
	GPIO85_SSP1_SCLK,
	GPIO89_SSP1_EXTCLK,
	GPIO86_SSP1_FRM,
	GPIO87_SSP1_TXD,
	GPIO88_SSP1_RXD,
	GPIO90_SSP1_SYSCLK,

	/* SSP2 for S/PDIF */
	GPIO25_SSP2_SCLK,
	GPIO26_SSP2_FRM,
	GPIO27_SSP2_TXD,
	GPIO29_SSP2_EXTCLK,

	/* LEDs */
	GPIO35_GPIO | MFP_LPM