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
18static 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(sdev: spi);
22
23 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
24 if (IS_ERR(ptr: regmap)) {
25 dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
26 regmap);
27 return PTR_ERR(ptr: regmap);
28 }
29 return bmc150_magn_probe(dev: &spi->dev, regmap, irq: spi->irq, name: id->name);
30}
31
32static void bmc150_magn_spi_remove(struct spi_device *spi)
33{
34 bmc150_magn_remove(dev: &spi->dev);
35}
36
37static const struct spi_device_id bmc150_magn_spi_id[] = {
38 {"bmc150_magn", 0},
39 {"bmc156_magn", 0},
40 {"bmm150_magn", 0},
41 {}
42};
43MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
44
45static const struct acpi_device_id bmc150_magn_acpi_match[] = {
46 {"BMC150B", 0},
47 {"BMC156B", 0},
48 {"BMM150B", 0},
49 {},
50};
51MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
52
53static struct spi_driver bmc150_magn_spi_driver = {
54 .probe = bmc150_magn_spi_probe,
55 .remove = bmc150_magn_spi_remove,
56 .id_table = bmc150_magn_spi_id,
57 .driver = {
58 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
59 .name = "bmc150_magn_spi",
60 },
61};
62module_spi_driver(bmc150_magn_spi_driver);
63
64MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
65MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
66MODULE_LICENSE("GPL v2");
67MODULE_IMPORT_NS(IIO_BMC150_MAGN);
68

source code of linux/drivers/iio/magnetometer/bmc150_magn_spi.c