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/*
* Overview:
* stmpe2401 gpio port expander register definitions
*
* Copyright (C) 2009 ST Ericsson.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License
*/
#ifndef __STMPE2401_H_
#define __STMPE2401_H_
#include <linux/gpio.h>
/*System control registers REG*/
#define CHIP_ID_REG 0x80
#define VERSION_ID_REG 0x81
#define SYSCON_REG 0x02
/*Interrupt registers REG*/
#define ICR_MSB_REG 0x10
#define ICR_LSB_REG 0x11
#define IER_MSB_REG 0x12
#define IER_LSB_REG 0x13
#define ISR_MSB_REG 0x14
#define ISR_LSB_REG 0x15
#define IEGPIOR_MSB_REG 0x16
#define IEGPIOR_CSB_REG 0x17
#define IEGPIOR_LSB_REG 0x18
#define ISGPIOR_MSB_REG 0x19
#define ISGPIOR_CSB_REG 0x1A
#define ISGPIOR_LSB_REG 0x1B
/* GPIO Monitor Pin register REG */
#define GPMR_MSB_REG 0xA2
#define GPMR_CSB_REG 0xA3
#define GPMR_LSB_REG 0xA4
/* GPIO Set Pin State register REG */
#define GPSR_MSB_REG 0x83
#define GPSR_CSB_REG 0x84
#define GPSR_LSB_REG 0x85
/* GPIO Clear Pin State register REG */
#define GPCR_MSB_REG 0x86
#define GPCR_CSB_REG 0x87
#define GPCR_LSB_REG 0x88
/* GPIO Set Pin Direction register */
#define GPDR_MSB_REG 0x89
#define GPDR_CSB_REG 0x8A
#define GPDR_LSB_REG 0x8B
/* GPIO Edge Detect Status register */
#define GPEDR_MSB_REG 0x8C
#define GPEDR_CSB_REG 0x8D
#define GPEDR_LSB_REG 0x8E
/* GPIO Rising Edge register */
#define GPRER_MSB_REG 0x8F
#define GPRER_CSB_REG 0x90
#define GPRER_LSB_REG 0x91
/* GPIO Falling Edge register */
#define GPFER_MSB_REG 0x92
#define GPFER_CSB_REG 0x93
#define GPFER_LSB_REG 0x94
/* GPIO Pull Up register */
#define GPPUR_MSB_REG 0x95
#define GPPUR_CSB_REG 0x96
#define GPPUR_LSB_REG 0x97
/* GPIO Pull Down register */
#define GPPDR_MSB_REG 0x98
#define GPPDR_CSB_REG 0x99
#define GPPDR_LSB_REG 0x9A
/* GPIO Alternate Function register */
#define GPAFR_U_MSB_REG 0x9b
#define GPAFR_U_CSB_REG 0x9c
#define GPAFR_U_LSB_REG 0x9d
#define GPAFR_L_MSB_REG 0x9e
#define GPAFR_L_CSB_REG 0x9f
#define GPAFR_L_LSB_REG 0xA0
#define MAX_INT 24
struct stmpe2401_platform_data {
unsigned gpio_base;
int irq;
};
int stmpe2401_remove_callback(int irq);
int stmpe2401_set_callback(int irq, void *handler, void *data);
#endif
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