tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips:
4 * - BMC150
5 * - BMC156
6 * - BMM150
7 *
8 * Copyright (c) 2016, Intel Corporation.
9 */
10#include <linux/device.h>
11#include <linux/mod_devicetable.h>
12#include <linux/i2c.h>
13#include <linux/module.h>
14#include <linux/regmap.h>
15
16#include "bmc150_magn.h"
17
18static int bmc150_magn_i2c_probe(struct i2c_client *client)
19{
20 const struct i2c_device_id *id = i2c_client_get_device_id(client);
21 struct regmap *regmap;
22 const char *name = NULL;
23
24 regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config);
25 if (IS_ERR(regmap)) {
26 dev_err(&client->dev, "Failed to initialize i2c regmap\n");
27 return PTR_ERR(regmap);
28 }
29
30 if (id)
31 name = id->name;
32
33 return bmc150_magn_probe(&client->dev, regmap, client->irq, name);
34}
35
36static void bmc150_magn_i2c_remove(struct i2c_client *client)
37{
38 bmc150_magn_remove(&client->dev);
39}
40
41static const struct i2c_device_id bmc150_magn_i2c_id[] = {
42 { "bmc150_magn" },
43 { "bmc156_magn" },
44 { "bmm150_magn" },
45 { }
46};
47MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
48
49static const struct of_device_id bmc150_magn_of_match[] = {
50 { .compatible = "bosch,bmc150_magn" },
51 { .compatible = "bosch,bmc156_magn" },
52 { .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */
53 { .compatible = "bosch,bmm150" },
54 { }
55};
56MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
57
58static struct i2c_driver bmc150_magn_driver = {
59 .driver = {
60 .name = "bmc150_magn_i2c",
61 .of_match_table = bmc150_magn_of_match,
62 .pm = &bmc150_magn_pm_ops,
63 },
64 .probe = bmc150_magn_i2c_probe,
65 .remove = bmc150_magn_i2c_remove,
66 .id_table = bmc150_magn_i2c_id,
67};
68module_i2c_driver(bmc150_magn_driver);
69
70MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
71MODULE_LICENSE("GPL v2");
72MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");
73MODULE_IMPORT_NS("IIO_BMC150_MAGN");