1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips:
4 * - BMC150
5 * - BMC156
6 * - BMM150
7 *
8 * Copyright (c) 2016, Intel Corporation.
9 */
10 #include <linux/module.h>
11 #include <linux/mod_devicetable.h>
12 #include <linux/spi/spi.h>
13 #include <linux/acpi.h>
14 #include <linux/regmap.h>
15
16 #include "bmc150_magn.h"
17
bmc150_magn_spi_probe(struct spi_device * spi)18 static int bmc150_magn_spi_probe(struct spi_device *spi)
19 {
20 struct regmap *regmap;
21 const struct spi_device_id *id = spi_get_device_id(spi);
22
23 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
24 if (IS_ERR(regmap)) {
25 dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
26 regmap);
27 return PTR_ERR(regmap);
28 }
29 return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
30 }
31
bmc150_magn_spi_remove(struct spi_device * spi)32 static int bmc150_magn_spi_remove(struct spi_device *spi)
33 {
34 bmc150_magn_remove(&spi->dev);
35
36 return 0;
37 }
38
39 static const struct spi_device_id bmc150_magn_spi_id[] = {
40 {"bmc150_magn", 0},
41 {"bmc156_magn", 0},
42 {"bmm150_magn", 0},
43 {}
44 };
45 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
46
47 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
48 {"BMC150B", 0},
49 {"BMC156B", 0},
50 {"BMM150B", 0},
51 {},
52 };
53 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
54
55 static struct spi_driver bmc150_magn_spi_driver = {
56 .probe = bmc150_magn_spi_probe,
57 .remove = bmc150_magn_spi_remove,
58 .id_table = bmc150_magn_spi_id,
59 .driver = {
60 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
61 .name = "bmc150_magn_spi",
62 },
63 };
64 module_spi_driver(bmc150_magn_spi_driver);
65
66 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
67 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
68 MODULE_LICENSE("GPL v2");
69