root/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c

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DEFINITIONS

This source file includes following definitions.
  1. st_lsm6dsx_i2c_probe

   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/of.h>
  16 #include <linux/regmap.h>
  17 
  18 #include "st_lsm6dsx.h"
  19 
  20 static const struct regmap_config st_lsm6dsx_i2c_regmap_config = {
  21         .reg_bits = 8,
  22         .val_bits = 8,
  23 };
  24 
  25 static int st_lsm6dsx_i2c_probe(struct i2c_client *client,
  26                                 const struct i2c_device_id *id)
  27 {
  28         int hw_id = id->driver_data;
  29         struct regmap *regmap;
  30 
  31         regmap = devm_regmap_init_i2c(client, &st_lsm6dsx_i2c_regmap_config);
  32         if (IS_ERR(regmap)) {
  33                 dev_err(&client->dev, "Failed to register i2c regmap %d\n",
  34                         (int)PTR_ERR(regmap));
  35                 return PTR_ERR(regmap);
  36         }
  37 
  38         return st_lsm6dsx_probe(&client->dev, client->irq, hw_id, regmap);
  39 }
  40 
  41 static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
  42         {
  43                 .compatible = "st,lsm6ds3",
  44                 .data = (void *)ST_LSM6DS3_ID,
  45         },
  46         {
  47                 .compatible = "st,lsm6ds3h",
  48                 .data = (void *)ST_LSM6DS3H_ID,
  49         },
  50         {
  51                 .compatible = "st,lsm6dsl",
  52                 .data = (void *)ST_LSM6DSL_ID,
  53         },
  54         {
  55                 .compatible = "st,lsm6dsm",
  56                 .data = (void *)ST_LSM6DSM_ID,
  57         },
  58         {
  59                 .compatible = "st,ism330dlc",
  60                 .data = (void *)ST_ISM330DLC_ID,
  61         },
  62         {
  63                 .compatible = "st,lsm6dso",
  64                 .data = (void *)ST_LSM6DSO_ID,
  65         },
  66         {
  67                 .compatible = "st,asm330lhh",
  68                 .data = (void *)ST_ASM330LHH_ID,
  69         },
  70         {
  71                 .compatible = "st,lsm6dsox",
  72                 .data = (void *)ST_LSM6DSOX_ID,
  73         },
  74         {
  75                 .compatible = "st,lsm6dsr",
  76                 .data = (void *)ST_LSM6DSR_ID,
  77         },
  78         {
  79                 .compatible = "st,lsm6ds3tr-c",
  80                 .data = (void *)ST_LSM6DS3TRC_ID,
  81         },
  82         {
  83                 .compatible = "st,ism330dhcx",
  84                 .data = (void *)ST_ISM330DHCX_ID,
  85         },
  86         {
  87                 .compatible = "st,lsm9ds1-imu",
  88                 .data = (void *)ST_LSM9DS1_ID,
  89         },
  90         {},
  91 };
  92 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
  93 
  94 static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
  95         { ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
  96         { ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
  97         { ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
  98         { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
  99         { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID },
 100         { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
 101         { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
 102         { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
 103         { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
 104         { ST_LSM6DS3TRC_DEV_NAME, ST_LSM6DS3TRC_ID },
 105         { ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
 106         { ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
 107         {},
 108 };
 109 MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
 110 
 111 static struct i2c_driver st_lsm6dsx_driver = {
 112         .driver = {
 113                 .name = "st_lsm6dsx_i2c",
 114                 .pm = &st_lsm6dsx_pm_ops,
 115                 .of_match_table = of_match_ptr(st_lsm6dsx_i2c_of_match),
 116         },
 117         .probe = st_lsm6dsx_i2c_probe,
 118         .id_table = st_lsm6dsx_i2c_id_table,
 119 };
 120 module_i2c_driver(st_lsm6dsx_driver);
 121 
 122 MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi@st.com>");
 123 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
 124 MODULE_DESCRIPTION("STMicroelectronics st_lsm6dsx i2c driver");
 125 MODULE_LICENSE("GPL v2");

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