1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
4 * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
5 */
6
7#include <linux/device.h>
8#include <linux/mod_devicetable.h>
9#include <linux/module.h>
10#include <linux/acpi.h>
11#include <linux/regmap.h>
12#include <linux/spi/spi.h>
13
14#include "bmc150-accel.h"
15
16static int bmc150_accel_probe(struct spi_device *spi)
17{
18 struct regmap *regmap;
19 const char *name = NULL;
20 enum bmc150_type type = BOSCH_UNKNOWN;
21 const struct spi_device_id *id = spi_get_device_id(sdev: spi);
22
23 regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
24 if (IS_ERR(ptr: regmap)) {
25 dev_err(&spi->dev, "Failed to initialize spi regmap\n");
26 return PTR_ERR(ptr: regmap);
27 }
28
29 if (id) {
30 name = id->name;
31 type = id->driver_data;
32 }
33
34 return bmc150_accel_core_probe(dev: &spi->dev, regmap, irq: spi->irq, type, name,
35 block_supported: true);
36}
37
38static void bmc150_accel_remove(struct spi_device *spi)
39{
40 bmc150_accel_core_remove(dev: &spi->dev);
41}
42
43static const struct acpi_device_id bmc150_accel_acpi_match[] = {
44 {"BMA0255"},
45 {"BMA0280"},
46 {"BMA222"},
47 {"BMA222E"},
48 {"BMA250E"},
49 {"BMC150A"},
50 {"BMI055A"},
51 {"BSBA0150"},
52 { },
53};
54MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
55
56static const struct spi_device_id bmc150_accel_id[] = {
57 {"bma222"},
58 {"bma222e"},
59 {"bma250e"},
60 {"bma253"},
61 {"bma255"},
62 {"bma280"},
63 {"bmc150_accel"},
64 {"bmc156_accel", BOSCH_BMC156},
65 {"bmi055_accel"},
66 {}
67};
68MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
69
70static struct spi_driver bmc150_accel_driver = {
71 .driver = {
72 .name = "bmc150_accel_spi",
73 .acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
74 .pm = &bmc150_accel_pm_ops,
75 },
76 .probe = bmc150_accel_probe,
77 .remove = bmc150_accel_remove,
78 .id_table = bmc150_accel_id,
79};
80module_spi_driver(bmc150_accel_driver);
81
82MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
83MODULE_LICENSE("GPL v2");
84MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
85MODULE_IMPORT_NS(IIO_BMC150);
86

source code of linux/drivers/iio/accel/bmc150-accel-spi.c