1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * ADXL345 3-Axis Digital Accelerometer I2C driver
 4 *
 5 * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
 6 *
 7 * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
 8 * 0x53 (ALT ADDRESS pin grounded)
 9 */
10
11#include <linux/i2c.h>
12#include <linux/module.h>
13#include <linux/regmap.h>
14
15#include "adxl345.h"
16
17static const struct regmap_config adxl345_i2c_regmap_config = {
18	.reg_bits = 8,
19	.val_bits = 8,
20};
21
22static int adxl345_i2c_probe(struct i2c_client *client)
23{
24	struct regmap *regmap;
25
26	regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
27	if (IS_ERR(regmap))
28		return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");
29
30	return adxl345_core_probe(&client->dev, regmap);
31}
32
 
 
 
 
 
 
 
 
 
 
33static const struct i2c_device_id adxl345_i2c_id[] = {
34	{ "adxl345", ADXL345 },
35	{ "adxl375", ADXL375 },
36	{ }
37};
38MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
39
40static const struct of_device_id adxl345_of_match[] = {
41	{ .compatible = "adi,adxl345", .data = (const void *)ADXL345 },
42	{ .compatible = "adi,adxl375", .data = (const void *)ADXL375 },
43	{ }
44};
45MODULE_DEVICE_TABLE(of, adxl345_of_match);
46
47static const struct acpi_device_id adxl345_acpi_match[] = {
48	{ "ADS0345", ADXL345 },
49	{ }
50};
51MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
52
53static struct i2c_driver adxl345_i2c_driver = {
54	.driver = {
55		.name	= "adxl345_i2c",
56		.of_match_table = adxl345_of_match,
57		.acpi_match_table = adxl345_acpi_match,
58	},
59	.probe_new	= adxl345_i2c_probe,
60	.id_table	= adxl345_i2c_id,
61};
62module_i2c_driver(adxl345_i2c_driver);
63
64MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
65MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
66MODULE_LICENSE("GPL v2");
67MODULE_IMPORT_NS(IIO_ADXL345);

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * ADXL345 3-Axis Digital Accelerometer I2C driver
 4 *
 5 * Copyright (c) 2017 Eva Rachel Retuya <eraretuya@gmail.com>
 6 *
 7 * 7-bit I2C slave address: 0x1D (ALT ADDRESS pin tied to VDDIO) or
 8 * 0x53 (ALT ADDRESS pin grounded)
 9 */
10
11#include <linux/i2c.h>
12#include <linux/module.h>
13#include <linux/regmap.h>
14
15#include "adxl345.h"
16
17static const struct regmap_config adxl345_i2c_regmap_config = {
18	.reg_bits = 8,
19	.val_bits = 8,
20};
21
22static int adxl345_i2c_probe(struct i2c_client *client)
23{
24	struct regmap *regmap;
25
26	regmap = devm_regmap_init_i2c(client, &adxl345_i2c_regmap_config);
27	if (IS_ERR(regmap))
28		return dev_err_probe(&client->dev, PTR_ERR(regmap), "Error initializing regmap\n");
29
30	return adxl345_core_probe(&client->dev, regmap);
31}
32
33static const struct adxl345_chip_info adxl345_i2c_info = {
34	.name = "adxl345",
35	.uscale = ADXL345_USCALE,
36};
37
38static const struct adxl345_chip_info adxl375_i2c_info = {
39	.name = "adxl375",
40	.uscale = ADXL375_USCALE,
41};
42
43static const struct i2c_device_id adxl345_i2c_id[] = {
44	{ "adxl345", (kernel_ulong_t)&adxl345_i2c_info },
45	{ "adxl375", (kernel_ulong_t)&adxl375_i2c_info },
46	{ }
47};
48MODULE_DEVICE_TABLE(i2c, adxl345_i2c_id);
49
50static const struct of_device_id adxl345_of_match[] = {
51	{ .compatible = "adi,adxl345", .data = &adxl345_i2c_info },
52	{ .compatible = "adi,adxl375", .data = &adxl375_i2c_info },
53	{ }
54};
55MODULE_DEVICE_TABLE(of, adxl345_of_match);
56
57static const struct acpi_device_id adxl345_acpi_match[] = {
58	{ "ADS0345", (kernel_ulong_t)&adxl345_i2c_info },
59	{ }
60};
61MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
62
63static struct i2c_driver adxl345_i2c_driver = {
64	.driver = {
65		.name	= "adxl345_i2c",
66		.of_match_table = adxl345_of_match,
67		.acpi_match_table = adxl345_acpi_match,
68	},
69	.probe		= adxl345_i2c_probe,
70	.id_table	= adxl345_i2c_id,
71};
72module_i2c_driver(adxl345_i2c_driver);
73
74MODULE_AUTHOR("Eva Rachel Retuya <eraretuya@gmail.com>");
75MODULE_DESCRIPTION("ADXL345 3-Axis Digital Accelerometer I2C driver");
76MODULE_LICENSE("GPL v2");
77MODULE_IMPORT_NS(IIO_ADXL345);