[mirror_ubuntu-eoan-kernel.git] / include / linux / mfd / smsc.h

/* 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 */
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
8284328c SP	2	/*
	3	* SMSC ECE1099
	4	*
	5	* Copyright 2012 Texas Instruments Inc.
	6	*
	7	* Author: Sourav Poddar <sourav.poddar@ti.com>
8284328c SP	8	*/
	9
	10	#ifndef __LINUX_MFD_SMSC_H
	11	#define __LINUX_MFD_SMSC_H
	12
	13	#include <linux/regmap.h>
	14
	15	#define SMSC_ID_ECE1099 1
	16	#define SMSC_NUM_CLIENTS 2
	17
	18	#define SMSC_BASE_ADDR 0x38
	19	#define OMAP_GPIO_SMSC_IRQ 151
	20
	21	#define SMSC_MAXGPIO 32
	22	#define SMSC_BANK(offs) ((offs) >> 3)
	23	#define SMSC_BIT(offs) (1u << ((offs) & 0x7))
	24
	25	struct smsc {
	26	struct device *dev;
	27	struct i2c_client *i2c_clients[SMSC_NUM_CLIENTS];
	28	struct regmap *regmap;
	29	int clk;
	30	/* Stored chip id */
	31	int id;
	32	};
	33
	34	struct smsc_gpio;
	35	struct smsc_keypad;
	36
	37	static inline int smsc_read(struct device *child, unsigned int reg,
	38	unsigned int *dest)
	39	{
	40	struct smsc *smsc = dev_get_drvdata(child->parent);
	41
	42	return regmap_read(smsc->regmap, reg, dest);
	43	}
	44
	45	static inline int smsc_write(struct device *child, unsigned int reg,
	46	unsigned int value)
	47	{
	48	struct smsc *smsc = dev_get_drvdata(child->parent);
	49
	50	return regmap_write(smsc->regmap, reg, value);
	51	}
	52
	53	/* Registers for SMSC */
	54	#define SMSC_RESET 0xF5
	55	#define SMSC_GRP_INT 0xF9
	56	#define SMSC_CLK_CTRL 0xFA
	57	#define SMSC_WKUP_CTRL 0xFB
	58	#define SMSC_DEV_ID 0xFC
	59	#define SMSC_DEV_REV 0xFD
	60	#define SMSC_VEN_ID_L 0xFE
	61	#define SMSC_VEN_ID_H 0xFF
	62
	63	/* CLK VALUE */
	64	#define SMSC_CLK_VALUE 0x13
	65
	66	/* Registers for function GPIO INPUT */
	67	#define SMSC_GPIO_DATA_IN_START 0x00
	68
	69	/* Registers for function GPIO OUPUT */
	70	#define SMSC_GPIO_DATA_OUT_START 0x05
	71
72	/* Definitions for SMSC GPIO CONFIGURATION REGISTER*/
73	#define SMSC_GPIO_INPUT_LOW 0x01
74	#define SMSC_GPIO_INPUT_RISING 0x09
75	#define SMSC_GPIO_INPUT_FALLING 0x11
76	#define SMSC_GPIO_INPUT_BOTH_EDGE 0x19
77	#define SMSC_GPIO_OUTPUT_PP 0x21
78	#define SMSC_GPIO_OUTPUT_OP 0x31
79
80	#define GRP_INT_STAT 0xf9
81	#define SMSC_GPI_INT 0x0f
82	#define SMSC_CFG_START 0x0A
83
84	/* Registers for SMSC GPIO INTERRUPT STATUS REGISTER*/
85	#define SMSC_GPIO_INT_STAT_START 0x32
86
87	/* Registers for SMSC GPIO INTERRUPT MASK REGISTER*/
88	#define SMSC_GPIO_INT_MASK_START 0x37
89
90	/* Registers for SMSC function KEYPAD*/
91	#define SMSC_KP_OUT 0x40
92	#define SMSC_KP_IN 0x41
93	#define SMSC_KP_INT_STAT 0x42
94	#define SMSC_KP_INT_MASK 0x43
95
96	/* Definitions for keypad */
97	#define SMSC_KP_KSO 0x70
98	#define SMSC_KP_KSI 0x51
99	#define SMSC_KSO_ALL_LOW 0x20
100	#define SMSC_KP_SET_LOW_PWR 0x0B
101	#define SMSC_KP_SET_HIGH 0xFF
102	#define SMSC_KSO_EVAL 0x00
103
104	#endif /* __LINUX_MFD_SMSC_H */