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/acpi.h>
15#include <linux/regmap.h>
16
17#include "bmc150_magn.h"
18
19static int bmc150_magn_i2c_probe(struct i2c_client *client)
20{
21	const struct i2c_device_id *id = i2c_client_get_device_id(client);
22	struct regmap *regmap;
23	const char *name = NULL;
24
25	regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config);
26	if (IS_ERR(regmap)) {
27		dev_err(&client->dev, "Failed to initialize i2c regmap\n");
28		return PTR_ERR(regmap);
29	}
30
31	if (id)
32		name = id->name;
33
34	return bmc150_magn_probe(&client->dev, regmap, client->irq, name);
35}
36
37static void bmc150_magn_i2c_remove(struct i2c_client *client)
38{
39	bmc150_magn_remove(&client->dev);
40}
41
42static const struct acpi_device_id bmc150_magn_acpi_match[] = {
43	{"BMC150B", 0},
44	{"BMC156B", 0},
45	{"BMM150B", 0},
46	{},
47};
48MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
49
50static const struct i2c_device_id bmc150_magn_i2c_id[] = {
51	{"bmc150_magn",	0},
52	{"bmc156_magn", 0},
53	{"bmm150_magn", 0},
54	{}
55};
56MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
57
58static const struct of_device_id bmc150_magn_of_match[] = {
59	{ .compatible = "bosch,bmc150_magn" },
60	{ .compatible = "bosch,bmc156_magn" },
61	{ .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */
62	{ .compatible = "bosch,bmm150" },
63	{ }
64};
65MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
66
67static struct i2c_driver bmc150_magn_driver = {
68	.driver = {
69		.name	= "bmc150_magn_i2c",
70		.of_match_table = bmc150_magn_of_match,
71		.acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
72		.pm	= &bmc150_magn_pm_ops,
73	},
74	.probe		= bmc150_magn_i2c_probe,
75	.remove		= bmc150_magn_i2c_remove,
76	.id_table	= bmc150_magn_i2c_id,
77};
78module_i2c_driver(bmc150_magn_driver);
79
80MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
81MODULE_LICENSE("GPL v2");
82MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");
83MODULE_IMPORT_NS(IIO_BMC150_MAGN);
84