tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips:
3 * - BMC150
4 * - BMC156
5 * - BMM150
6 *
7 * Copyright (c) 2016, Intel Corporation.
8 *
9 * This file is subject to the terms and conditions of version 2 of
10 * the GNU General Public License. See the file COPYING in the main
11 * directory of this archive for more details.
12 */
13#include <linux/module.h>
14#include <linux/mod_devicetable.h>
15#include <linux/spi/spi.h>
16#include <linux/acpi.h>
17#include <linux/regmap.h>
18
19#include "bmc150_magn.h"
20
21static int bmc150_magn_spi_probe(struct spi_device *spi)
22{
23 struct regmap *regmap;
24 const struct spi_device_id *id = spi_get_device_id(spi);
25
26 regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
27 if (IS_ERR(regmap)) {
28 dev_err(&spi->dev, "Failed to register spi regmap %d\n",
29 (int)PTR_ERR(regmap));
30 return PTR_ERR(regmap);
31 }
32 return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
33}
34
35static int bmc150_magn_spi_remove(struct spi_device *spi)
36{
37 bmc150_magn_remove(&spi->dev);
38
39 return 0;
40}
41
42static const struct spi_device_id bmc150_magn_spi_id[] = {
43 {"bmc150_magn", 0},
44 {"bmc156_magn", 0},
45 {"bmm150_magn", 0},
46 {}
47};
48MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
49
50static const struct acpi_device_id bmc150_magn_acpi_match[] = {
51 {"BMC150B", 0},
52 {"BMC156B", 0},
53 {"BMM150B", 0},
54 {},
55};
56MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
57
58static struct spi_driver bmc150_magn_spi_driver = {
59 .probe = bmc150_magn_spi_probe,
60 .remove = bmc150_magn_spi_remove,
61 .id_table = bmc150_magn_spi_id,
62 .driver = {
63 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
64 .name = "bmc150_magn_spi",
65 },
66};
67module_spi_driver(bmc150_magn_spi_driver);
68
69MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
70MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
71MODULE_LICENSE("GPL v2");