1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* ADXL345 3-Axis Digital Accelerometer I2C driver
*
* Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
*
* This file is subject to the terms and conditions of version 2 of
* the GNU General Public License. See the file COPYING in the main
* directory of this archive for more details.
*
* 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
* 0x53 (ALT ADDRESS pin grounded)
*/
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include "adxl345.h"
static const struct regmap_config adxl345_i2c_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
static int adxl345_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regmap *regmap;
regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
if (IS_ERR(regmap)) {
dev_err(&client->dev, "Error initializing i2c regmap: %ld\n",
PTR_ERR(regmap));
return PTR_ERR(regmap);
}
return adxl345_core_probe(&client->dev, regmap, id->driver_data,
id ? id->name : NULL);
}
static int adxl345_i2c_remove(struct i2c_client *client)
{
return adxl345_core_remove(&client->dev);
}
static const struct i2c_device_id adxl345_i2c_id[] = {
{ "adxl345", ADXL345 },
{ "adxl375", ADXL375 },
{ }
};
MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
static const struct of_device_id adxl345_of_match[] = {
{ .compatible = "adi,adxl345" },
{ .compatible = "adi,adxl375" },
{ },
};
MODULE_DEVICE_TABLE(of, adxl345_of_match);
static struct i2c_driver adxl345_i2c_driver = {
.driver = {
.name = "adxl345_i2c",
.of_match_table = adxl345_of_match,
},
.probe = adxl345_i2c_probe,
.remove = adxl345_i2c_remove,
.id_table = adxl345_i2c_id,
};
module_i2c_driver(adxl345_i2c_driver);
MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
MODULE_LICENSE("GPL v2");
|
