Release 4.12 include/linux/mfd/smsc.h

/*
 * SMSC ECE1099
 *
 * Copyright 2012 Texas Instruments Inc.
 *
 * Author: Sourav Poddar <sourav.poddar@ti.com>
 *
 *  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, or (at your
 *  option) any later version.
 *
 */

#ifndef __LINUX_MFD_SMSC_H

#define __LINUX_MFD_SMSC_H

#include <linux/regmap.h>


#define SMSC_ID_ECE1099			1

#define SMSC_NUM_CLIENTS		2


#define SMSC_BASE_ADDR			0x38

#define OMAP_GPIO_SMSC_IRQ		151


#define SMSC_MAXGPIO         32

#define SMSC_BANK(offs)      ((offs) >> 3)

#define SMSC_BIT(offs)       (1u << ((offs) & 0x7))


struct smsc {
	
struct device *dev;
	
struct i2c_client *i2c_clients[SMSC_NUM_CLIENTS];
	
struct regmap *regmap;
	
int clk;
	/* Stored chip id */
	
int id;
};

struct smsc_gpio;
struct smsc_keypad;



static inline int smsc_read(struct device *child, unsigned int reg,
	unsigned int *dest)
{
	struct smsc     *smsc = dev_get_drvdata(child->parent);

	return regmap_read(smsc->regmap, reg, dest);
}

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static inline int smsc_write(struct device *child, unsigned int reg,
	unsigned int value)
{
	struct smsc     *smsc = dev_get_drvdata(child->parent);

	return regmap_write(smsc->regmap, reg, value);
}

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/* Registers for SMSC */

#define SMSC_RESET						0xF5

#define SMSC_GRP_INT						0xF9

#define SMSC_CLK_CTRL						0xFA

#define SMSC_WKUP_CTRL						0xFB

#define SMSC_DEV_ID						0xFC

#define SMSC_DEV_REV						0xFD

#define SMSC_VEN_ID_L						0xFE

#define SMSC_VEN_ID_H						0xFF

/* CLK VALUE */

#define SMSC_CLK_VALUE						0x13

/* Registers for function GPIO INPUT */

#define SMSC_GPIO_DATA_IN_START					0x00

/* Registers for function GPIO OUPUT */

#define SMSC_GPIO_DATA_OUT_START                                       0x05

/* Definitions for SMSC GPIO CONFIGURATION REGISTER*/

#define SMSC_GPIO_INPUT_LOW					0x01

#define SMSC_GPIO_INPUT_RISING					0x09

#define SMSC_GPIO_INPUT_FALLING					0x11

#define SMSC_GPIO_INPUT_BOTH_EDGE				0x19

#define SMSC_GPIO_OUTPUT_PP					0x21

#define SMSC_GPIO_OUTPUT_OP					0x31


#define GRP_INT_STAT						0xf9

#define	SMSC_GPI_INT						0x0f

#define SMSC_CFG_START						0x0A

/* Registers for SMSC GPIO INTERRUPT STATUS REGISTER*/

#define SMSC_GPIO_INT_STAT_START                                  0x32

/* Registers for SMSC GPIO INTERRUPT MASK REGISTER*/

#define SMSC_GPIO_INT_MASK_START                               0x37

/* Registers for SMSC function KEYPAD*/

#define SMSC_KP_OUT						0x40

#define SMSC_KP_IN						0x41

#define SMSC_KP_INT_STAT					0x42

#define SMSC_KP_INT_MASK					0x43

/* Definitions for keypad */

#define SMSC_KP_KSO           0x70

#define SMSC_KP_KSI           0x51

#define SMSC_KSO_ALL_LOW        0x20

#define SMSC_KP_SET_LOW_PWR        0x0B

#define SMSC_KP_SET_HIGH           0xFF

#define SMSC_KSO_EVAL           0x00

#endif /*  __LINUX_MFD_SMSC_H */
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Directory: include/linux/mfd

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