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
17static 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(sdev: spi);
21
22 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
23 if (IS_ERR(ptr: regmap)) {
24 dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
25 regmap);
26 return PTR_ERR(ptr: regmap);
27 }
28 return bmc150_magn_probe(dev: &spi->dev, regmap, irq: spi->irq, name: id->name);
29}
30
31static void bmc150_magn_spi_remove(struct spi_device *spi)
32{
33 bmc150_magn_remove(dev: &spi->dev);
34}
35
36static const struct spi_device_id bmc150_magn_spi_id[] = {
37 {"bmc150_magn", 0},
38 {"bmc156_magn", 0},
39 {"bmm150_magn", 0},
40 {}
41};
42MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
43
44static const struct acpi_device_id bmc150_magn_acpi_match[] = {
45 {"BMC150B", 0},
46 {"BMC156B", 0},
47 {"BMM150B", 0},
48 {},
49};
50MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
51
52static 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};
61module_spi_driver(bmc150_magn_spi_driver);
62
63MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
64MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
65MODULE_LICENSE("GPL v2");
66MODULE_IMPORT_NS(IIO_BMC150_MAGN);
67

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