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