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