1 // SPDX-License-Identifier: GPL-2.0
3 * Support for I2C-interfaced Bosch BNO055 IMU.
5 * Copyright (C) 2021-2022 Istituto Italiano di Tecnologia
6 * Electronic Design Laboratory
7 * Written by Andrea Merello <andrea.merello@iit.it>
10 #include <linux/i2c.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/module.h>
13 #include <linux/regmap.h>
17 #define BNO055_I2C_XFER_BURST_BREAK_THRESHOLD 3
19 static int bno055_i2c_probe(struct i2c_client *client)
21 struct regmap *regmap;
23 regmap = devm_regmap_init_i2c(client, &bno055_regmap_config);
25 return dev_err_probe(&client->dev, PTR_ERR(regmap),
26 "Unable to init register map");
28 return bno055_probe(&client->dev, regmap,
29 BNO055_I2C_XFER_BURST_BREAK_THRESHOLD, true);
32 static const struct i2c_device_id bno055_i2c_id[] = {
36 MODULE_DEVICE_TABLE(i2c, bno055_i2c_id);
38 static const struct of_device_id __maybe_unused bno055_i2c_of_match[] = {
39 { .compatible = "bosch,bno055" },
42 MODULE_DEVICE_TABLE(of, bno055_i2c_of_match);
44 static struct i2c_driver bno055_driver = {
47 .of_match_table = bno055_i2c_of_match,
49 .probe = bno055_i2c_probe,
50 .id_table = bno055_i2c_id,
52 module_i2c_driver(bno055_driver);
54 MODULE_AUTHOR("Andrea Merello");
55 MODULE_DESCRIPTION("Bosch BNO055 I2C interface");
56 MODULE_IMPORT_NS(IIO_BNO055);
57 MODULE_LICENSE("GPL");