105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* SMSC ECE1099
|
|
*
|
|
* Copyright 2012 Texas Instruments Inc.
|
|
*
|
|
* Author: Sourav Poddar <sourav.poddar@ti.com>
|
|
*/
|
|
|
|
#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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
/* 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 */
|