xref: /linux/drivers/iio/accel/bmc150-accel-spi.c (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80)
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/regmap.h>
11 #include <linux/spi/spi.h>
12 
13 #include "bmc150-accel.h"
14 
bmc150_accel_probe(struct spi_device * spi)15 static int bmc150_accel_probe(struct spi_device *spi)
16 {
17 	struct regmap *regmap;
18 	const char *name = NULL;
19 	enum bmc150_type type = BOSCH_UNKNOWN;
20 	const struct spi_device_id *id = spi_get_device_id(spi);
21 
22 	regmap = devm_regmap_init_spi(spi, &bmc150_regmap_conf);
23 	if (IS_ERR(regmap)) {
24 		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
25 		return PTR_ERR(regmap);
26 	}
27 
28 	if (id) {
29 		name = id->name;
30 		type = id->driver_data;
31 	}
32 
33 	return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, type, name,
34 				       true);
35 }
36 
bmc150_accel_remove(struct spi_device * spi)37 static void bmc150_accel_remove(struct spi_device *spi)
38 {
39 	bmc150_accel_core_remove(&spi->dev);
40 }
41 
42 static const struct acpi_device_id bmc150_accel_acpi_match[] = {
43 	{"BMA0255"},
44 	{"BMA0280"},
45 	{"BMA222"},
46 	{"BMA222E"},
47 	{"BMA250E"},
48 	{"BMC150A"},
49 	{"BMI055A"},
50 	{"BSBA0150"},
51 	{ },
52 };
53 MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
54 
55 static const struct spi_device_id bmc150_accel_id[] = {
56 	{"bma222"},
57 	{"bma222e"},
58 	{"bma250e"},
59 	{"bma253"},
60 	{"bma255"},
61 	{"bma280"},
62 	{"bmc150_accel"},
63 	{"bmc156_accel", BOSCH_BMC156},
64 	{"bmi055_accel"},
65 	{}
66 };
67 MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
68 
69 static struct spi_driver bmc150_accel_driver = {
70 	.driver = {
71 		.name	= "bmc150_accel_spi",
72 		.acpi_match_table = bmc150_accel_acpi_match,
73 		.pm	= &bmc150_accel_pm_ops,
74 	},
75 	.probe		= bmc150_accel_probe,
76 	.remove		= bmc150_accel_remove,
77 	.id_table	= bmc150_accel_id,
78 };
79 module_spi_driver(bmc150_accel_driver);
80 
81 MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
82 MODULE_LICENSE("GPL v2");
83 MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
84 MODULE_IMPORT_NS(IIO_BMC150);
85