2874c5fd28
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* SMSC ECE1099
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*
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* Copyright 2012 Texas Instruments Inc.
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*
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* Author: Sourav Poddar <sourav.poddar@ti.com>
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*/
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#ifndef __LINUX_MFD_SMSC_H
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#define __LINUX_MFD_SMSC_H
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#include <linux/regmap.h>
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#define SMSC_ID_ECE1099 1
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#define SMSC_NUM_CLIENTS 2
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#define SMSC_BASE_ADDR 0x38
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#define OMAP_GPIO_SMSC_IRQ 151
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#define SMSC_MAXGPIO 32
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#define SMSC_BANK(offs) ((offs) >> 3)
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#define SMSC_BIT(offs) (1u << ((offs) & 0x7))
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struct smsc {
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struct device *dev;
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struct i2c_client *i2c_clients[SMSC_NUM_CLIENTS];
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struct regmap *regmap;
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int clk;
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/* Stored chip id */
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int id;
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};
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struct smsc_gpio;
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struct smsc_keypad;
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static inline int smsc_read(struct device *child, unsigned int reg,
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unsigned int *dest)
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{
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struct smsc *smsc = dev_get_drvdata(child->parent);
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return regmap_read(smsc->regmap, reg, dest);
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}
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static inline int smsc_write(struct device *child, unsigned int reg,
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unsigned int value)
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{
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struct smsc *smsc = dev_get_drvdata(child->parent);
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return regmap_write(smsc->regmap, reg, value);
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}
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/* Registers for SMSC */
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#define SMSC_RESET 0xF5
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#define SMSC_GRP_INT 0xF9
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#define SMSC_CLK_CTRL 0xFA
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#define SMSC_WKUP_CTRL 0xFB
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#define SMSC_DEV_ID 0xFC
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#define SMSC_DEV_REV 0xFD
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#define SMSC_VEN_ID_L 0xFE
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#define SMSC_VEN_ID_H 0xFF
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/* CLK VALUE */
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#define SMSC_CLK_VALUE 0x13
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/* Registers for function GPIO INPUT */
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#define SMSC_GPIO_DATA_IN_START 0x00
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/* Registers for function GPIO OUPUT */
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#define SMSC_GPIO_DATA_OUT_START 0x05
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/* Definitions for SMSC GPIO CONFIGURATION REGISTER*/
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#define SMSC_GPIO_INPUT_LOW 0x01
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#define SMSC_GPIO_INPUT_RISING 0x09
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#define SMSC_GPIO_INPUT_FALLING 0x11
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#define SMSC_GPIO_INPUT_BOTH_EDGE 0x19
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#define SMSC_GPIO_OUTPUT_PP 0x21
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#define SMSC_GPIO_OUTPUT_OP 0x31
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#define GRP_INT_STAT 0xf9
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#define SMSC_GPI_INT 0x0f
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#define SMSC_CFG_START 0x0A
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/* Registers for SMSC GPIO INTERRUPT STATUS REGISTER*/
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#define SMSC_GPIO_INT_STAT_START 0x32
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/* Registers for SMSC GPIO INTERRUPT MASK REGISTER*/
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#define SMSC_GPIO_INT_MASK_START 0x37
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/* Registers for SMSC function KEYPAD*/
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#define SMSC_KP_OUT 0x40
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#define SMSC_KP_IN 0x41
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#define SMSC_KP_INT_STAT 0x42
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#define SMSC_KP_INT_MASK 0x43
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/* Definitions for keypad */
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#define SMSC_KP_KSO 0x70
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#define SMSC_KP_KSI 0x51
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#define SMSC_KSO_ALL_LOW 0x20
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#define SMSC_KP_SET_LOW_PWR 0x0B
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#define SMSC_KP_SET_HIGH 0xFF
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#define SMSC_KSO_EVAL 0x00
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#endif /* __LINUX_MFD_SMSC_H */
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