linux/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
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   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 %d\n",
  33                        (int)PTR_ERR(regmap));
  34                return PTR_ERR(regmap);
  35        }
  36
  37        return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap);
  38}
  39
  40static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
  41        {
  42                .compatible = "st,lsm6ds3",
  43                .data = (void *)ST_LSM6DS3_ID,
  44        },
  45        {
  46                .compatible = "st,lsm6ds3h",
  47                .data = (void *)ST_LSM6DS3H_ID,
  48        },
  49        {
  50                .compatible = "st,lsm6dsl",
  51                .data = (void *)ST_LSM6DSL_ID,
  52        },
  53        {
  54                .compatible = "st,lsm6dsm",
  55                .data = (void *)ST_LSM6DSM_ID,
  56        },
  57        {
  58                .compatible = "st,ism330dlc",
  59                .data = (void *)ST_ISM330DLC_ID,
  60        },
  61        {
  62                .compatible = "st,lsm6dso",
  63                .data = (void *)ST_LSM6DSO_ID,
  64        },
  65        {
  66                .compatible = "st,asm330lhh",
  67                .data = (void *)ST_ASM330LHH_ID,
  68        },
  69        {
  70                .compatible = "st,lsm6dsox",
  71                .data = (void *)ST_LSM6DSOX_ID,
  72        },
  73        {
  74                .compatible = "st,lsm6dsr",
  75                .data = (void *)ST_LSM6DSR_ID,
  76        },
  77        {
  78                .compatible = "st,lsm6ds3tr-c",
  79                .data = (void *)ST_LSM6DS3TRC_ID,
  80        },
  81        {
  82                .compatible = "st,ism330dhcx",
  83                .data = (void *)ST_ISM330DHCX_ID,
  84        },
  85        {
  86                .compatible = "st,lsm9ds1-imu",
  87                .data = (void *)ST_LSM9DS1_ID,
  88        },
  89        {
  90                .compatible = "st,lsm6ds0",
  91                .data = (void *)ST_LSM6DS0_ID,
  92        },
  93        {
  94                .compatible = "st,lsm6dsrx",
  95                .data = (void *)ST_LSM6DSRX_ID,
  96        },
  97        {},
  98};
  99MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
 100
 101static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
 102        { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
 103        { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
 104        { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
 105        { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
 106        { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
 107        { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
 108        { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
 109        { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
 110        { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
 111        { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
 112        { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
 113        { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
 114        { ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
 115        { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
 116        {},
 117};
 118MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
 119
 120static struct i2c_driver st_lsm6dsx_driver = {
 121        .driver = {
 122                .name = "st_lsm6dsx_i2c",
 123                .pm = &st_lsm6dsx_pm_ops,
 124                .of_match_table = st_lsm6dsx_i2c_of_match,
 125        },
 126        .probe = st_lsm6dsx_i2c_probe,
 127        .id_table = st_lsm6dsx_i2c_id_table,
 128};
 129module_i2c_driver(st_lsm6dsx_driver);
 130
 131MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 132MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 133MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver");
 134MODULE_LICENSE("GPL v2");
 135