1 // SPDX-License-Identifier: GPL-2.0-only
3 * STMicroelectronics magnetometers driver
5 * Copyright 2012-2013 STMicroelectronics Inc.
7 * Denis Ciocca <denis.ciocca@st.com>
10 #include <linux/kernel.h>
11 #include <linux/module.h>
12 #include <linux/slab.h>
13 #include <linux/i2c.h>
14 #include <linux/iio/iio.h>
16 #include <linux/iio/common/st_sensors.h>
17 #include <linux/iio/common/st_sensors_i2c.h>
21 static const struct of_device_id st_magn_of_match[] = {
23 .compatible = "st,lsm303dlh-magn",
24 .data = LSM303DLH_MAGN_DEV_NAME,
27 .compatible = "st,lsm303dlhc-magn",
28 .data = LSM303DLHC_MAGN_DEV_NAME,
31 .compatible = "st,lsm303dlm-magn",
32 .data = LSM303DLM_MAGN_DEV_NAME,
35 .compatible = "st,lis3mdl-magn",
36 .data = LIS3MDL_MAGN_DEV_NAME,
39 .compatible = "st,lsm303agr-magn",
40 .data = LSM303AGR_MAGN_DEV_NAME,
43 .compatible = "st,lis2mdl",
44 .data = LIS2MDL_MAGN_DEV_NAME,
47 .compatible = "st,lsm9ds1-magn",
48 .data = LSM9DS1_MAGN_DEV_NAME,
52 MODULE_DEVICE_TABLE(of, st_magn_of_match);
54 #define st_magn_of_match NULL
57 static int st_magn_i2c_probe(struct i2c_client *client,
58 const struct i2c_device_id *id)
60 const struct st_sensor_settings *settings;
61 struct st_sensor_data *mdata;
62 struct iio_dev *indio_dev;
65 st_sensors_of_name_probe(&client->dev, st_magn_of_match,
66 client->name, sizeof(client->name));
68 settings = st_magn_get_settings(client->name);
70 dev_err(&client->dev, "device name %s not recognized.\n",
75 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*mdata));
79 mdata = iio_priv(indio_dev);
80 mdata->sensor_settings = (struct st_sensor_settings *)settings;
82 err = st_sensors_i2c_configure(indio_dev, client);
86 err = st_magn_common_probe(indio_dev);
93 static int st_magn_i2c_remove(struct i2c_client *client)
95 struct iio_dev *indio_dev = i2c_get_clientdata(client);
96 st_magn_common_remove(indio_dev);
101 static const struct i2c_device_id st_magn_id_table[] = {
102 { LSM303DLH_MAGN_DEV_NAME },
103 { LSM303DLHC_MAGN_DEV_NAME },
104 { LSM303DLM_MAGN_DEV_NAME },
105 { LIS3MDL_MAGN_DEV_NAME },
106 { LSM303AGR_MAGN_DEV_NAME },
107 { LIS2MDL_MAGN_DEV_NAME },
108 { LSM9DS1_MAGN_DEV_NAME },
111 MODULE_DEVICE_TABLE(i2c, st_magn_id_table);
113 static struct i2c_driver st_magn_driver = {
115 .name = "st-magn-i2c",
116 .of_match_table = of_match_ptr(st_magn_of_match),
118 .probe = st_magn_i2c_probe,
119 .remove = st_magn_i2c_remove,
120 .id_table = st_magn_id_table,
122 module_i2c_driver(st_magn_driver);
124 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>");
125 MODULE_DESCRIPTION("STMicroelectronics magnetometers i2c driver");
126 MODULE_LICENSE("GPL v2");