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