1 // SPDX-License-Identifier: GPL-2.0-only
3 * ADXL345 3-Axis Digital Accelerometer I2C driver
5 * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
7 * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
8 * 0x53 (ALT ADDRESS pin grounded)
11 #include <linux/i2c.h>
12 #include <linux/module.h>
13 #include <linux/regmap.h>
17 static const struct regmap_config adxl345_i2c_regmap_config = {
22 static int adxl345_i2c_probe(struct i2c_client *client,
23 const struct i2c_device_id *id)
25 struct regmap *regmap;
30 regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
32 dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",
34 return PTR_ERR(regmap);
37 return adxl345_core_probe(&client->dev, regmap, id->driver_data,
41 static const struct i2c_device_id adxl345_i2c_id[] = {
42 { "adxl345", ADXL345 },
43 { "adxl375", ADXL375 },
47 MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
49 static const struct of_device_id adxl345_of_match[] = {
50 { .compatible = "adi,adxl345" },
51 { .compatible = "adi,adxl375" },
55 MODULE_DEVICE_TABLE(of, adxl345_of_match);
57 static struct i2c_driver adxl345_i2c_driver = {
59 .name = "adxl345_i2c",
60 .of_match_table = adxl345_of_match,
62 .probe = adxl345_i2c_probe,
63 .id_table = adxl345_i2c_id,
66 module_i2c_driver(adxl345_i2c_driver);
68 MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
69 MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
70 MODULE_LICENSE("GPL v2");