drivers/mfd/stmpe.h - kernel/msm-5.4 - Gitiles

 /*
  * Copyright (C) ST-Ericsson SA 2010
  *
  * License Terms: GNU General Public License, version 2
  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
  */

 #ifndef __STMPE_H
 #define __STMPE_H

 #include <linux/device.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/stmpe.h>
 #include <linux/printk.h>
 #include <linux/types.h>

 extern const struct dev_pm_ops stmpe_dev_pm_ops;

 #ifdef STMPE_DUMP_BYTES
 static inline void stmpe_dump_bytes(const char *str, const void *buf,
 				    size_t len)
 {
 	print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
 }
 #else
 static inline void stmpe_dump_bytes(const char *str, const void *buf,
 				    size_t len)
 {
 }
 #endif

 /**
  * struct stmpe_variant_block - information about block
  * @cell:	base mfd cell
  * @irq:	interrupt number to be added to each IORESOURCE_IRQ
  *		in the cell
  * @block:	block id; used for identification with platform data and for
  *		enable and altfunc callbacks
  */
 struct stmpe_variant_block {
 	const struct mfd_cell	*cell;
 	int			irq;
 	enum stmpe_block	block;
 };

 /**
  * struct stmpe_variant_info - variant-specific information
  * @name:	part name
  * @id_val:	content of CHIPID register
  * @id_mask:	bits valid in CHIPID register for comparison with id_val
  * @num_gpios:	number of GPIOS
  * @af_bits:	number of bits used to specify the alternate function
  * @regs: variant specific registers.
  * @blocks:	list of blocks present on this device
  * @num_blocks:	number of blocks present on this device
  * @num_irqs:	number of internal IRQs available on this device
  * @enable:	callback to enable the specified blocks.
  *		Called with the I/O lock held.
  * @get_altfunc: callback to get the alternate function number for the
  *		 specific block
  * @enable_autosleep: callback to configure autosleep with specified timeout
  */
 struct stmpe_variant_info {
 	const char *name;
 	u16 id_val;
 	u16 id_mask;
 	int num_gpios;
 	int af_bits;
 	const u8 *regs;
 	struct stmpe_variant_block *blocks;
 	int num_blocks;
 	int num_irqs;
 	int (*enable)(struct stmpe *stmpe, unsigned int blocks, bool enable);
 	int (*get_altfunc)(struct stmpe *stmpe, enum stmpe_block block);
 	int (*enable_autosleep)(struct stmpe *stmpe, int autosleep_timeout);
 };

 /**
  * struct stmpe_client_info - i2c or spi specific routines/info
  * @data: client specific data
  * @read_byte: read single byte
  * @write_byte: write single byte
  * @read_block: read block or multiple bytes
  * @write_block: write block or multiple bytes
  * @init: client init routine, called during probe
  */
 struct stmpe_client_info {
 	void *data;
 	int irq;
 	void *client;
 	struct device *dev;
 	int (*read_byte)(struct stmpe *stmpe, u8 reg);
 	int (*write_byte)(struct stmpe *stmpe, u8 reg, u8 val);
 	int (*read_block)(struct stmpe *stmpe, u8 reg, u8 len, u8 *values);
 	int (*write_block)(struct stmpe *stmpe, u8 reg, u8 len,
 			const u8 *values);
 	void (*init)(struct stmpe *stmpe);
 };

 int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum);
 int stmpe_remove(struct stmpe *stmpe);

 #define STMPE_ICR_LSB_HIGH	(1 << 2)
 #define STMPE_ICR_LSB_EDGE	(1 << 1)
 #define STMPE_ICR_LSB_GIM	(1 << 0)

 /*
  * STMPE801
  */
 #define STMPE801_ID			0x0108
 #define STMPE801_NR_INTERNAL_IRQS	1

 #define STMPE801_REG_CHIP_ID		0x00
 #define STMPE801_REG_VERSION_ID		0x02
 #define STMPE801_REG_SYS_CTRL		0x04
 #define STMPE801_REG_GPIO_INT_EN	0x08
 #define STMPE801_REG_GPIO_INT_STA	0x09
 #define STMPE801_REG_GPIO_MP_STA	0x10
 #define STMPE801_REG_GPIO_SET_PIN	0x11
 #define STMPE801_REG_GPIO_DIR		0x12

 #define STMPE801_REG_SYS_CTRL_RESET	(1 << 7)
 #define STMPE801_REG_SYS_CTRL_INT_EN	(1 << 2)
 #define STMPE801_REG_SYS_CTRL_INT_HI	(1 << 0)

 /*
  * STMPE811
  */

 #define STMPE811_IRQ_TOUCH_DET		0
 #define STMPE811_IRQ_FIFO_TH		1
 #define STMPE811_IRQ_FIFO_OFLOW		2
 #define STMPE811_IRQ_FIFO_FULL		3
 #define STMPE811_IRQ_FIFO_EMPTY		4
 #define STMPE811_IRQ_TEMP_SENS		5
 #define STMPE811_IRQ_ADC		6
 #define STMPE811_IRQ_GPIOC		7
 #define STMPE811_NR_INTERNAL_IRQS	8

 #define STMPE811_REG_CHIP_ID		0x00
 #define STMPE811_REG_SYS_CTRL2		0x04
 #define STMPE811_REG_SPI_CFG		0x08
 #define STMPE811_REG_INT_CTRL		0x09
 #define STMPE811_REG_INT_EN		0x0A
 #define STMPE811_REG_INT_STA		0x0B
 #define STMPE811_REG_GPIO_INT_EN	0x0C
 #define STMPE811_REG_GPIO_INT_STA	0x0D
 #define STMPE811_REG_GPIO_SET_PIN	0x10
 #define STMPE811_REG_GPIO_CLR_PIN	0x11
 #define STMPE811_REG_GPIO_MP_STA	0x12
 #define STMPE811_REG_GPIO_DIR		0x13
 #define STMPE811_REG_GPIO_ED		0x14
 #define STMPE811_REG_GPIO_RE		0x15
 #define STMPE811_REG_GPIO_FE		0x16
 #define STMPE811_REG_GPIO_AF		0x17

 #define STMPE811_SYS_CTRL2_ADC_OFF	(1 << 0)
 #define STMPE811_SYS_CTRL2_TSC_OFF	(1 << 1)
 #define STMPE811_SYS_CTRL2_GPIO_OFF	(1 << 2)
 #define STMPE811_SYS_CTRL2_TS_OFF	(1 << 3)

 /*
  * STMPE1601
  */

 #define STMPE1601_IRQ_GPIOC		8
 #define STMPE1601_IRQ_PWM3		7
 #define STMPE1601_IRQ_PWM2		6
 #define STMPE1601_IRQ_PWM1		5
 #define STMPE1601_IRQ_PWM0		4
 #define STMPE1601_IRQ_KEYPAD_OVER	2
 #define STMPE1601_IRQ_KEYPAD		1
 #define STMPE1601_IRQ_WAKEUP		0
 #define STMPE1601_NR_INTERNAL_IRQS	9

 #define STMPE1601_REG_SYS_CTRL			0x02
 #define STMPE1601_REG_SYS_CTRL2			0x03
 #define STMPE1601_REG_ICR_LSB			0x11
 #define STMPE1601_REG_IER_LSB			0x13
 #define STMPE1601_REG_ISR_MSB			0x14
 #define STMPE1601_REG_CHIP_ID			0x80
 #define STMPE1601_REG_INT_EN_GPIO_MASK_LSB	0x17
 #define STMPE1601_REG_INT_STA_GPIO_MSB		0x18
 #define STMPE1601_REG_GPIO_MP_LSB		0x87
 #define STMPE1601_REG_GPIO_SET_LSB		0x83
 #define STMPE1601_REG_GPIO_CLR_LSB		0x85
 #define STMPE1601_REG_GPIO_SET_DIR_LSB		0x89
 #define STMPE1601_REG_GPIO_ED_MSB		0x8A
 #define STMPE1601_REG_GPIO_RE_LSB		0x8D
 #define STMPE1601_REG_GPIO_FE_LSB		0x8F
 #define STMPE1601_REG_GPIO_AF_U_MSB		0x92

 #define STMPE1601_SYS_CTRL_ENABLE_GPIO		(1 << 3)
 #define STMPE1601_SYS_CTRL_ENABLE_KPC		(1 << 1)
 #define STMPE1601_SYS_CTRL_ENABLE_SPWM		(1 << 0)

 /* The 1601/2403 share the same masks */
 #define STMPE1601_AUTOSLEEP_TIMEOUT_MASK	(0x7)
 #define STPME1601_AUTOSLEEP_ENABLE		(1 << 3)

 /*
  * STMPE1801
  */
 #define STMPE1801_ID			0xc110
 #define STMPE1801_NR_INTERNAL_IRQS	5
 #define STMPE1801_IRQ_KEYPAD_COMBI	4
 #define STMPE1801_IRQ_GPIOC		3
 #define STMPE1801_IRQ_KEYPAD_OVER	2
 #define STMPE1801_IRQ_KEYPAD		1
 #define STMPE1801_IRQ_WAKEUP		0

 #define STMPE1801_REG_CHIP_ID			0x00
 #define STMPE1801_REG_SYS_CTRL			0x02
 #define STMPE1801_REG_INT_CTRL_LOW		0x04
 #define STMPE1801_REG_INT_EN_MASK_LOW		0x06
 #define STMPE1801_REG_INT_STA_LOW		0x08
 #define STMPE1801_REG_INT_EN_GPIO_MASK_LOW	0x0A
 #define STMPE1801_REG_INT_EN_GPIO_MASK_MID	0x0B
 #define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH	0x0C
 #define STMPE1801_REG_INT_STA_GPIO_LOW		0x0D
 #define STMPE1801_REG_INT_STA_GPIO_MID		0x0E
 #define STMPE1801_REG_INT_STA_GPIO_HIGH		0x0F
 #define STMPE1801_REG_GPIO_SET_LOW		0x10
 #define STMPE1801_REG_GPIO_SET_MID		0x11
 #define STMPE1801_REG_GPIO_SET_HIGH		0x12
 #define STMPE1801_REG_GPIO_CLR_LOW		0x13
 #define STMPE1801_REG_GPIO_CLR_MID		0x14
 #define STMPE1801_REG_GPIO_CLR_HIGH		0x15
 #define STMPE1801_REG_GPIO_MP_LOW		0x16
 #define STMPE1801_REG_GPIO_MP_MID		0x17
 #define STMPE1801_REG_GPIO_MP_HIGH		0x18
 #define STMPE1801_REG_GPIO_SET_DIR_LOW		0x19
 #define STMPE1801_REG_GPIO_SET_DIR_MID		0x1A
 #define STMPE1801_REG_GPIO_SET_DIR_HIGH		0x1B
 #define STMPE1801_REG_GPIO_RE_LOW		0x1C
 #define STMPE1801_REG_GPIO_RE_MID		0x1D
 #define STMPE1801_REG_GPIO_RE_HIGH		0x1E
 #define STMPE1801_REG_GPIO_FE_LOW		0x1F
 #define STMPE1801_REG_GPIO_FE_MID		0x20
 #define STMPE1801_REG_GPIO_FE_HIGH		0x21
 #define STMPE1801_REG_GPIO_PULL_UP_LOW		0x22
 #define STMPE1801_REG_GPIO_PULL_UP_MID		0x23
 #define STMPE1801_REG_GPIO_PULL_UP_HIGH		0x24

 #define STMPE1801_MSK_SYS_CTRL_RESET		(1 << 7)

 #define STMPE1801_MSK_INT_EN_KPC		(1 << 1)
 #define STMPE1801_MSK_INT_EN_GPIO		(1 << 3)

 /*
  * STMPE24xx
  */

 #define STMPE24XX_IRQ_GPIOC		8
 #define STMPE24XX_IRQ_PWM2		7
 #define STMPE24XX_IRQ_PWM1		6
 #define STMPE24XX_IRQ_PWM0		5
 #define STMPE24XX_IRQ_ROT_OVER		4
 #define STMPE24XX_IRQ_ROT		3
 #define STMPE24XX_IRQ_KEYPAD_OVER	2
 #define STMPE24XX_IRQ_KEYPAD		1
 #define STMPE24XX_IRQ_WAKEUP		0
 #define STMPE24XX_NR_INTERNAL_IRQS	9

 #define STMPE24XX_REG_SYS_CTRL		0x02
 #define STMPE24XX_REG_ICR_LSB		0x11
 #define STMPE24XX_REG_IER_LSB		0x13
 #define STMPE24XX_REG_ISR_MSB		0x14
 #define STMPE24XX_REG_CHIP_ID		0x80
 #define STMPE24XX_REG_IEGPIOR_LSB	0x18
 #define STMPE24XX_REG_ISGPIOR_MSB	0x19
 #define STMPE24XX_REG_GPMR_LSB		0xA5
 #define STMPE24XX_REG_GPSR_LSB		0x85
 #define STMPE24XX_REG_GPCR_LSB		0x88
 #define STMPE24XX_REG_GPDR_LSB		0x8B
 #define STMPE24XX_REG_GPEDR_MSB		0x8C
 #define STMPE24XX_REG_GPRER_LSB		0x91
 #define STMPE24XX_REG_GPFER_LSB		0x94
 #define STMPE24XX_REG_GPAFR_U_MSB	0x9B

 #define STMPE24XX_SYS_CTRL_ENABLE_GPIO		(1 << 3)
 #define STMPE24XX_SYSCON_ENABLE_PWM		(1 << 2)
 #define STMPE24XX_SYS_CTRL_ENABLE_KPC		(1 << 1)
 #define STMPE24XX_SYSCON_ENABLE_ROT		(1 << 0)

 #endif
	/*
	* Copyright (C) ST-Ericsson SA 2010
	*
	* License Terms: GNU General Public License, version 2
	* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
	*/

	#ifndef __STMPE_H
	#define __STMPE_H

	#include <linux/device.h>
	#include <linux/mfd/core.h>
	#include <linux/mfd/stmpe.h>
	#include <linux/printk.h>
	#include <linux/types.h>

	extern const struct dev_pm_ops stmpe_dev_pm_ops;

	#ifdef STMPE_DUMP_BYTES
	static inline void stmpe_dump_bytes(const char str, const void buf,
	size_t len)
	{
	print_hex_dump_bytes(str, DUMP_PREFIX_OFFSET, buf, len);
	}
	#else
	static inline void stmpe_dump_bytes(const char str, const void buf,
	size_t len)
	{
	}
	#endif

	/**
	* struct stmpe_variant_block - information about block
	* @cell: base mfd cell
	* @irq: interrupt number to be added to each IORESOURCE_IRQ
	* in the cell
	* @block: block id; used for identification with platform data and for
	* enable and altfunc callbacks
	*/
	struct stmpe_variant_block {
	const struct mfd_cell *cell;
	int irq;
	enum stmpe_block block;
	};

	/**
	* struct stmpe_variant_info - variant-specific information
	* @name: part name
	* @id_val: content of CHIPID register
	* @id_mask: bits valid in CHIPID register for comparison with id_val
	* @num_gpios: number of GPIOS
	* @af_bits: number of bits used to specify the alternate function
	* @regs: variant specific registers.
	* @blocks: list of blocks present on this device
	* @num_blocks: number of blocks present on this device
	* @num_irqs: number of internal IRQs available on this device
	* @enable: callback to enable the specified blocks.
	* Called with the I/O lock held.
	* @get_altfunc: callback to get the alternate function number for the
	* specific block
	* @enable_autosleep: callback to configure autosleep with specified timeout
	*/
	struct stmpe_variant_info {
	const char *name;
	u16 id_val;
	u16 id_mask;
	int num_gpios;
	int af_bits;
	const u8 *regs;
	struct stmpe_variant_block *blocks;
	int num_blocks;
	int num_irqs;
	int (enable)(struct stmpe stmpe, unsigned int blocks, bool enable);
	int (get_altfunc)(struct stmpe stmpe, enum stmpe_block block);
	int (enable_autosleep)(struct stmpe stmpe, int autosleep_timeout);
	};

	/**
	* struct stmpe_client_info - i2c or spi specific routines/info
	* @data: client specific data
	* @read_byte: read single byte
	* @write_byte: write single byte
	* @read_block: read block or multiple bytes
	* @write_block: write block or multiple bytes
	* @init: client init routine, called during probe
	*/
	struct stmpe_client_info {
	void *data;
	int irq;
	void *client;
	struct device *dev;
	int (read_byte)(struct stmpe stmpe, u8 reg);
	int (write_byte)(struct stmpe stmpe, u8 reg, u8 val);
	int (read_block)(struct stmpe stmpe, u8 reg, u8 len, u8 *values);
	int (write_block)(struct stmpe stmpe, u8 reg, u8 len,
	const u8 *values);
	void (init)(struct stmpe stmpe);
	};

	int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum);
	int stmpe_remove(struct stmpe *stmpe);

	#define STMPE_ICR_LSB_HIGH (1 << 2)
	#define STMPE_ICR_LSB_EDGE (1 << 1)
	#define STMPE_ICR_LSB_GIM (1 << 0)

	/*
	* STMPE801
	*/
	#define STMPE801_ID 0x0108
	#define STMPE801_NR_INTERNAL_IRQS 1

	#define STMPE801_REG_CHIP_ID 0x00
	#define STMPE801_REG_VERSION_ID 0x02
	#define STMPE801_REG_SYS_CTRL 0x04
	#define STMPE801_REG_GPIO_INT_EN 0x08
	#define STMPE801_REG_GPIO_INT_STA 0x09
	#define STMPE801_REG_GPIO_MP_STA 0x10
	#define STMPE801_REG_GPIO_SET_PIN 0x11
	#define STMPE801_REG_GPIO_DIR 0x12

	#define STMPE801_REG_SYS_CTRL_RESET (1 << 7)
	#define STMPE801_REG_SYS_CTRL_INT_EN (1 << 2)
	#define STMPE801_REG_SYS_CTRL_INT_HI (1 << 0)

	/*
	* STMPE811
	*/

	#define STMPE811_IRQ_TOUCH_DET 0
	#define STMPE811_IRQ_FIFO_TH 1
	#define STMPE811_IRQ_FIFO_OFLOW 2
	#define STMPE811_IRQ_FIFO_FULL 3
	#define STMPE811_IRQ_FIFO_EMPTY 4
	#define STMPE811_IRQ_TEMP_SENS 5
	#define STMPE811_IRQ_ADC 6
	#define STMPE811_IRQ_GPIOC 7
	#define STMPE811_NR_INTERNAL_IRQS 8

	#define STMPE811_REG_CHIP_ID 0x00
	#define STMPE811_REG_SYS_CTRL2 0x04
	#define STMPE811_REG_SPI_CFG 0x08
	#define STMPE811_REG_INT_CTRL 0x09
	#define STMPE811_REG_INT_EN 0x0A
	#define STMPE811_REG_INT_STA 0x0B
	#define STMPE811_REG_GPIO_INT_EN 0x0C
	#define STMPE811_REG_GPIO_INT_STA 0x0D
	#define STMPE811_REG_GPIO_SET_PIN 0x10
	#define STMPE811_REG_GPIO_CLR_PIN 0x11
	#define STMPE811_REG_GPIO_MP_STA 0x12
	#define STMPE811_REG_GPIO_DIR 0x13
	#define STMPE811_REG_GPIO_ED 0x14
	#define STMPE811_REG_GPIO_RE 0x15
	#define STMPE811_REG_GPIO_FE 0x16
	#define STMPE811_REG_GPIO_AF 0x17

	#define STMPE811_SYS_CTRL2_ADC_OFF (1 << 0)
	#define STMPE811_SYS_CTRL2_TSC_OFF (1 << 1)
	#define STMPE811_SYS_CTRL2_GPIO_OFF (1 << 2)
	#define STMPE811_SYS_CTRL2_TS_OFF (1 << 3)

	/*
	* STMPE1601
	*/

	#define STMPE1601_IRQ_GPIOC 8
	#define STMPE1601_IRQ_PWM3 7
	#define STMPE1601_IRQ_PWM2 6
	#define STMPE1601_IRQ_PWM1 5
	#define STMPE1601_IRQ_PWM0 4
	#define STMPE1601_IRQ_KEYPAD_OVER 2
	#define STMPE1601_IRQ_KEYPAD 1
	#define STMPE1601_IRQ_WAKEUP 0
	#define STMPE1601_NR_INTERNAL_IRQS 9

	#define STMPE1601_REG_SYS_CTRL 0x02
	#define STMPE1601_REG_SYS_CTRL2 0x03
	#define STMPE1601_REG_ICR_LSB 0x11
	#define STMPE1601_REG_IER_LSB 0x13
	#define STMPE1601_REG_ISR_MSB 0x14
	#define STMPE1601_REG_CHIP_ID 0x80
	#define STMPE1601_REG_INT_EN_GPIO_MASK_LSB 0x17
	#define STMPE1601_REG_INT_STA_GPIO_MSB 0x18
	#define STMPE1601_REG_GPIO_MP_LSB 0x87
	#define STMPE1601_REG_GPIO_SET_LSB 0x83
	#define STMPE1601_REG_GPIO_CLR_LSB 0x85
	#define STMPE1601_REG_GPIO_SET_DIR_LSB 0x89
	#define STMPE1601_REG_GPIO_ED_MSB 0x8A
	#define STMPE1601_REG_GPIO_RE_LSB 0x8D
	#define STMPE1601_REG_GPIO_FE_LSB 0x8F
	#define STMPE1601_REG_GPIO_AF_U_MSB 0x92

	#define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3)
	#define STMPE1601_SYS_CTRL_ENABLE_KPC (1 << 1)
	#define STMPE1601_SYS_CTRL_ENABLE_SPWM (1 << 0)

	/* The 1601/2403 share the same masks */
	#define STMPE1601_AUTOSLEEP_TIMEOUT_MASK (0x7)
	#define STPME1601_AUTOSLEEP_ENABLE (1 << 3)

	/*
	* STMPE1801
	*/
	#define STMPE1801_ID 0xc110
	#define STMPE1801_NR_INTERNAL_IRQS 5
	#define STMPE1801_IRQ_KEYPAD_COMBI 4
	#define STMPE1801_IRQ_GPIOC 3
	#define STMPE1801_IRQ_KEYPAD_OVER 2
	#define STMPE1801_IRQ_KEYPAD 1
	#define STMPE1801_IRQ_WAKEUP 0

	#define STMPE1801_REG_CHIP_ID 0x00
	#define STMPE1801_REG_SYS_CTRL 0x02
	#define STMPE1801_REG_INT_CTRL_LOW 0x04
	#define STMPE1801_REG_INT_EN_MASK_LOW 0x06
	#define STMPE1801_REG_INT_STA_LOW 0x08
	#define STMPE1801_REG_INT_EN_GPIO_MASK_LOW 0x0A
	#define STMPE1801_REG_INT_EN_GPIO_MASK_MID 0x0B
	#define STMPE1801_REG_INT_EN_GPIO_MASK_HIGH 0x0C
	#define STMPE1801_REG_INT_STA_GPIO_LOW 0x0D
	#define STMPE1801_REG_INT_STA_GPIO_MID 0x0E
	#define STMPE1801_REG_INT_STA_GPIO_HIGH 0x0F
	#define STMPE1801_REG_GPIO_SET_LOW 0x10
	#define STMPE1801_REG_GPIO_SET_MID 0x11
	#define STMPE1801_REG_GPIO_SET_HIGH 0x12
	#define STMPE1801_REG_GPIO_CLR_LOW 0x13
	#define STMPE1801_REG_GPIO_CLR_MID 0x14
	#define STMPE1801_REG_GPIO_CLR_HIGH 0x15
	#define STMPE1801_REG_GPIO_MP_LOW 0x16
	#define STMPE1801_REG_GPIO_MP_MID 0x17
	#define STMPE1801_REG_GPIO_MP_HIGH 0x18
	#define STMPE1801_REG_GPIO_SET_DIR_LOW 0x19
	#define STMPE1801_REG_GPIO_SET_DIR_MID 0x1A
	#define STMPE1801_REG_GPIO_SET_DIR_HIGH 0x1B
	#define STMPE1801_REG_GPIO_RE_LOW 0x1C
	#define STMPE1801_REG_GPIO_RE_MID 0x1D
	#define STMPE1801_REG_GPIO_RE_HIGH 0x1E
	#define STMPE1801_REG_GPIO_FE_LOW 0x1F
	#define STMPE1801_REG_GPIO_FE_MID 0x20
	#define STMPE1801_REG_GPIO_FE_HIGH 0x21
	#define STMPE1801_REG_GPIO_PULL_UP_LOW 0x22
	#define STMPE1801_REG_GPIO_PULL_UP_MID 0x23
	#define STMPE1801_REG_GPIO_PULL_UP_HIGH 0x24

	#define STMPE1801_MSK_SYS_CTRL_RESET (1 << 7)

	#define STMPE1801_MSK_INT_EN_KPC (1 << 1)
	#define STMPE1801_MSK_INT_EN_GPIO (1 << 3)

	/*
	* STMPE24xx
	*/

	#define STMPE24XX_IRQ_GPIOC 8
	#define STMPE24XX_IRQ_PWM2 7
	#define STMPE24XX_IRQ_PWM1 6
	#define STMPE24XX_IRQ_PWM0 5
	#define STMPE24XX_IRQ_ROT_OVER 4
	#define STMPE24XX_IRQ_ROT 3
	#define STMPE24XX_IRQ_KEYPAD_OVER 2
	#define STMPE24XX_IRQ_KEYPAD 1
	#define STMPE24XX_IRQ_WAKEUP 0
	#define STMPE24XX_NR_INTERNAL_IRQS 9

	#define STMPE24XX_REG_SYS_CTRL 0x02
	#define STMPE24XX_REG_ICR_LSB 0x11
	#define STMPE24XX_REG_IER_LSB 0x13
	#define STMPE24XX_REG_ISR_MSB 0x14
	#define STMPE24XX_REG_CHIP_ID 0x80
	#define STMPE24XX_REG_IEGPIOR_LSB 0x18
	#define STMPE24XX_REG_ISGPIOR_MSB 0x19
	#define STMPE24XX_REG_GPMR_LSB 0xA5
	#define STMPE24XX_REG_GPSR_LSB 0x85
	#define STMPE24XX_REG_GPCR_LSB 0x88
	#define STMPE24XX_REG_GPDR_LSB 0x8B
	#define STMPE24XX_REG_GPEDR_MSB 0x8C
	#define STMPE24XX_REG_GPRER_LSB 0x91
	#define STMPE24XX_REG_GPFER_LSB 0x94
	#define STMPE24XX_REG_GPAFR_U_MSB 0x9B

	#define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3)
	#define STMPE24XX_SYSCON_ENABLE_PWM (1 << 2)
	#define STMPE24XX_SYS_CTRL_ENABLE_KPC (1 << 1)
	#define STMPE24XX_SYSCON_ENABLE_ROT (1 << 0)

	#endif