xref: /openbmc/linux/drivers/iio/imu/bmi160/bmi160_spi.c (revision 8631f940b81bf0da3d375fce166d381fa8c47bb2)
1 /*
2  * BMI160 - Bosch IMU, SPI bits
3  *
4  * Copyright (c) 2016, Intel Corporation.
5  *
6  * This file is subject to the terms and conditions of version 2 of
7  * the GNU General Public License.  See the file COPYING in the main
8  * directory of this archive for more details.
9  */
10 #include <linux/acpi.h>
11 #include <linux/module.h>
12 #include <linux/of.h>
13 #include <linux/regmap.h>
14 #include <linux/spi/spi.h>
15 
16 #include "bmi160.h"
17 
18 static int bmi160_spi_probe(struct spi_device *spi)
19 {
20 	struct regmap *regmap;
21 	const struct spi_device_id *id = spi_get_device_id(spi);
22 
23 	regmap = devm_regmap_init_spi(spi, &bmi160_regmap_config);
24 	if (IS_ERR(regmap)) {
25 		dev_err(&spi->dev, "Failed to register spi regmap %d\n",
26 			(int)PTR_ERR(regmap));
27 		return PTR_ERR(regmap);
28 	}
29 	return bmi160_core_probe(&spi->dev, regmap, id->name, true);
30 }
31 
32 static const struct spi_device_id bmi160_spi_id[] = {
33 	{"bmi160", 0},
34 	{}
35 };
36 MODULE_DEVICE_TABLE(spi, bmi160_spi_id);
37 
38 static const struct acpi_device_id bmi160_acpi_match[] = {
39 	{"BMI0160", 0},
40 	{ },
41 };
42 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
43 
44 #ifdef CONFIG_OF
45 static const struct of_device_id bmi160_of_match[] = {
46 	{ .compatible = "bosch,bmi160" },
47 	{ },
48 };
49 MODULE_DEVICE_TABLE(of, bmi160_of_match);
50 #endif
51 
52 static struct spi_driver bmi160_spi_driver = {
53 	.probe		= bmi160_spi_probe,
54 	.id_table	= bmi160_spi_id,
55 	.driver = {
56 		.acpi_match_table	= ACPI_PTR(bmi160_acpi_match),
57 		.of_match_table		= of_match_ptr(bmi160_of_match),
58 		.name			= "bmi160_spi",
59 	},
60 };
61 module_spi_driver(bmi160_spi_driver);
62 
63 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
64 MODULE_DESCRIPTION("Bosch BMI160 SPI driver");
65 MODULE_LICENSE("GPL v2");
66