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130 lines
2.8 KiB
130 lines
2.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* STMicroelectronics gyroscopes driver |
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* |
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* Copyright 2012-2013 STMicroelectronics Inc. |
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* |
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* Denis Ciocca <[email protected]> |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/i2c.h> |
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#include <linux/iio/iio.h> |
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#include <linux/iio/common/st_sensors.h> |
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#include <linux/iio/common/st_sensors_i2c.h> |
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#include "st_gyro.h" |
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static const struct of_device_id st_gyro_of_match[] = { |
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{ |
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.compatible = "st,l3g4200d-gyro", |
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.data = L3G4200D_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm330d-gyro", |
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.data = LSM330D_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm330dl-gyro", |
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.data = LSM330DL_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm330dlc-gyro", |
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.data = LSM330DLC_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,l3gd20-gyro", |
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.data = L3GD20_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,l3gd20h-gyro", |
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.data = L3GD20H_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,l3g4is-gyro", |
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.data = L3G4IS_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm330-gyro", |
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.data = LSM330_GYRO_DEV_NAME, |
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}, |
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{ |
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.compatible = "st,lsm9ds0-gyro", |
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.data = LSM9DS0_GYRO_DEV_NAME, |
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}, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(of, st_gyro_of_match); |
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static int st_gyro_i2c_probe(struct i2c_client *client, |
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const struct i2c_device_id *id) |
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{ |
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const struct st_sensor_settings *settings; |
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struct st_sensor_data *gdata; |
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struct iio_dev *indio_dev; |
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int err; |
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st_sensors_dev_name_probe(&client->dev, client->name, sizeof(client->name)); |
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settings = st_gyro_get_settings(client->name); |
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if (!settings) { |
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dev_err(&client->dev, "device name %s not recognized.\n", |
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client->name); |
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return -ENODEV; |
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} |
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indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*gdata)); |
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if (!indio_dev) |
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return -ENOMEM; |
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gdata = iio_priv(indio_dev); |
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gdata->sensor_settings = (struct st_sensor_settings *)settings; |
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err = st_sensors_i2c_configure(indio_dev, client); |
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if (err < 0) |
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return err; |
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err = st_gyro_common_probe(indio_dev); |
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if (err < 0) |
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return err; |
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return 0; |
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} |
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static int st_gyro_i2c_remove(struct i2c_client *client) |
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{ |
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st_gyro_common_remove(i2c_get_clientdata(client)); |
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return 0; |
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} |
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static const struct i2c_device_id st_gyro_id_table[] = { |
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{ L3G4200D_GYRO_DEV_NAME }, |
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{ LSM330D_GYRO_DEV_NAME }, |
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{ LSM330DL_GYRO_DEV_NAME }, |
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{ LSM330DLC_GYRO_DEV_NAME }, |
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{ L3GD20_GYRO_DEV_NAME }, |
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{ L3GD20H_GYRO_DEV_NAME }, |
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{ L3G4IS_GYRO_DEV_NAME }, |
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{ LSM330_GYRO_DEV_NAME }, |
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{ LSM9DS0_GYRO_DEV_NAME }, |
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{}, |
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}; |
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MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); |
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static struct i2c_driver st_gyro_driver = { |
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.driver = { |
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.name = "st-gyro-i2c", |
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.of_match_table = st_gyro_of_match, |
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}, |
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.probe = st_gyro_i2c_probe, |
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.remove = st_gyro_i2c_remove, |
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.id_table = st_gyro_id_table, |
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}; |
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module_i2c_driver(st_gyro_driver); |
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MODULE_AUTHOR("Denis Ciocca <[email protected]>"); |
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MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); |
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MODULE_LICENSE("GPL v2");
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