xref: /linux/drivers/iio/magnetometer/bmc150_magn_spi.c (revision d1eec383a8abe348b5ce72df9e96bff3d9039134)
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/regmap.h>
14 
15 #include "bmc150_magn.h"
16 
17 static int bmc150_magn_spi_probe(struct spi_device *spi)
18 {
19 	struct regmap *regmap;
20 	const struct spi_device_id *id = spi_get_device_id(spi);
21 
22 	regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
23 	if (IS_ERR(regmap)) {
24 		dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
25 			regmap);
26 		return PTR_ERR(regmap);
27 	}
28 	return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
29 }
30 
31 static void bmc150_magn_spi_remove(struct spi_device *spi)
32 {
33 	bmc150_magn_remove(&spi->dev);
34 }
35 
36 static const struct spi_device_id bmc150_magn_spi_id[] = {
37 	{"bmc150_magn", 0},
38 	{"bmc156_magn", 0},
39 	{"bmm150_magn", 0},
40 	{}
41 };
42 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
43 
44 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
45 	{"BMC150B", 0},
46 	{"BMC156B", 0},
47 	{"BMM150B", 0},
48 	{},
49 };
50 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
51 
52 static struct spi_driver bmc150_magn_spi_driver = {
53 	.probe		= bmc150_magn_spi_probe,
54 	.remove		= bmc150_magn_spi_remove,
55 	.id_table	= bmc150_magn_spi_id,
56 	.driver = {
57 		.acpi_match_table = bmc150_magn_acpi_match,
58 		.name	= "bmc150_magn_spi",
59 	},
60 };
61 module_spi_driver(bmc150_magn_spi_driver);
62 
63 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
64 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
65 MODULE_LICENSE("GPL v2");
66 MODULE_IMPORT_NS(IIO_BMC150_MAGN);
67