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
bmc150_magn_i2c_probe(struct i2c_client * client)19 static 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
bmc150_magn_i2c_remove(struct i2c_client * client)37 static void bmc150_magn_i2c_remove(struct i2c_client *client)
38 {
39 bmc150_magn_remove(&client->dev);
40 }
41
42 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
43 {"BMC150B", 0},
44 {"BMC156B", 0},
45 {"BMM150B", 0},
46 {},
47 };
48 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
49
50 static const struct i2c_device_id bmc150_magn_i2c_id[] = {
51 {"bmc150_magn", 0},
52 {"bmc156_magn", 0},
53 {"bmm150_magn", 0},
54 {}
55 };
56 MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
57
58 static 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 };
65 MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
66
67 static 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 };
78 module_i2c_driver(bmc150_magn_driver);
79
80 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
81 MODULE_LICENSE("GPL v2");
82 MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");
83 MODULE_IMPORT_NS(IIO_BMC150_MAGN);
84
