cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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st_lsm6dsx_i2c.c (3594B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * STMicroelectronics st_lsm6dsx i2c driver
      4 *
      5 * Copyright 2016 STMicroelectronics Inc.
      6 *
      7 * Lorenzo Bianconi <lorenzo.bianconi@st.com>
      8 * Denis Ciocca <denis.ciocca@st.com>
      9 */
     10
     11#include <linux/kernel.h>
     12#include <linux/module.h>
     13#include <linux/i2c.h>
     14#include <linux/slab.h>
     15#include <linux/regmap.h>
     16
     17#include "st_lsm6dsx.h"
     18
     19static const struct regmap_config st_lsm6dsx_i2c_regmap_config = {
     20	.reg_bits = 8,
     21	.val_bits = 8,
     22};
     23
     24static int st_lsm6dsx_i2c_probe(struct i2c_client *client,
     25				const struct i2c_device_id *id)
     26{
     27	int hw_id = id->driver_data;
     28	struct regmap *regmap;
     29
     30	regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config);
     31	if (IS_ERR(regmap)) {
     32		dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
     33		return PTR_ERR(regmap);
     34	}
     35
     36	return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap);
     37}
     38
     39static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
     40	{
     41		.compatible = "st,lsm6ds3",
     42		.data = (void *)ST_LSM6DS3_ID,
     43	},
     44	{
     45		.compatible = "st,lsm6ds3h",
     46		.data = (void *)ST_LSM6DS3H_ID,
     47	},
     48	{
     49		.compatible = "st,lsm6dsl",
     50		.data = (void *)ST_LSM6DSL_ID,
     51	},
     52	{
     53		.compatible = "st,lsm6dsm",
     54		.data = (void *)ST_LSM6DSM_ID,
     55	},
     56	{
     57		.compatible = "st,ism330dlc",
     58		.data = (void *)ST_ISM330DLC_ID,
     59	},
     60	{
     61		.compatible = "st,lsm6dso",
     62		.data = (void *)ST_LSM6DSO_ID,
     63	},
     64	{
     65		.compatible = "st,asm330lhh",
     66		.data = (void *)ST_ASM330LHH_ID,
     67	},
     68	{
     69		.compatible = "st,lsm6dsox",
     70		.data = (void *)ST_LSM6DSOX_ID,
     71	},
     72	{
     73		.compatible = "st,lsm6dsr",
     74		.data = (void *)ST_LSM6DSR_ID,
     75	},
     76	{
     77		.compatible = "st,lsm6ds3tr-c",
     78		.data = (void *)ST_LSM6DS3TRC_ID,
     79	},
     80	{
     81		.compatible = "st,ism330dhcx",
     82		.data = (void *)ST_ISM330DHCX_ID,
     83	},
     84	{
     85		.compatible = "st,lsm9ds1-imu",
     86		.data = (void *)ST_LSM9DS1_ID,
     87	},
     88	{
     89		.compatible = "st,lsm6ds0",
     90		.data = (void *)ST_LSM6DS0_ID,
     91	},
     92	{
     93		.compatible = "st,lsm6dsrx",
     94		.data = (void *)ST_LSM6DSRX_ID,
     95	},
     96	{
     97		.compatible = "st,lsm6dst",
     98		.data = (void *)ST_LSM6DST_ID,
     99	},
    100	{
    101		.compatible = "st,lsm6dsop",
    102		.data = (void *)ST_LSM6DSOP_ID,
    103	},
    104	{
    105		.compatible = "st,asm330lhhx",
    106		.data = (void *)ST_ASM330LHHX_ID,
    107	},
    108	{},
    109};
    110MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
    111
    112static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
    113	{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
    114	{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
    115	{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
    116	{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
    117	{ ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
    118	{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
    119	{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
    120	{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
    121	{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
    122	{ ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
    123	{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
    124	{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
    125	{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
    126	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
    127	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
    128	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
    129	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
    130	{},
    131};
    132MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
    133
    134static struct i2c_driver st_lsm6dsx_driver = {
    135	.driver = {
    136		.name = "st_lsm6dsx_i2c",
    137		.pm = &st_lsm6dsx_pm_ops,
    138		.of_match_table = st_lsm6dsx_i2c_of_match,
    139	},
    140	.probe = st_lsm6dsx_i2c_probe,
    141	.id_table = st_lsm6dsx_i2c_id_table,
    142};
    143module_i2c_driver(st_lsm6dsx_driver);
    144
    145MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
    146MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
    147MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver");
    148MODULE_LICENSE("GPL v2");