xref: /OK3568_Linux_fs/kernel/drivers/iio/imu/bmi160/bmi160_spi.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * BMI160 - Bosch IMU, SPI bits
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2016, Intel Corporation.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun #include <linux/acpi.h>
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <linux/of.h>
11*4882a593Smuzhiyun #include <linux/regmap.h>
12*4882a593Smuzhiyun #include <linux/spi/spi.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "bmi160.h"
15*4882a593Smuzhiyun 
bmi160_spi_probe(struct spi_device * spi)16*4882a593Smuzhiyun static int bmi160_spi_probe(struct spi_device *spi)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun 	struct regmap *regmap;
19*4882a593Smuzhiyun 	const struct spi_device_id *id = spi_get_device_id(spi);
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	regmap = devm_regmap_init_spi(spi, &bmi160_regmap_config);
22*4882a593Smuzhiyun 	if (IS_ERR(regmap)) {
23*4882a593Smuzhiyun 		dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
24*4882a593Smuzhiyun 			regmap);
25*4882a593Smuzhiyun 		return PTR_ERR(regmap);
26*4882a593Smuzhiyun 	}
27*4882a593Smuzhiyun 	return bmi160_core_probe(&spi->dev, regmap, id->name, true);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun static const struct spi_device_id bmi160_spi_id[] = {
31*4882a593Smuzhiyun 	{"bmi160", 0},
32*4882a593Smuzhiyun 	{}
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun MODULE_DEVICE_TABLE(spi, bmi160_spi_id);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun static const struct acpi_device_id bmi160_acpi_match[] = {
37*4882a593Smuzhiyun 	{"BMI0160", 0},
38*4882a593Smuzhiyun 	{ },
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #ifdef CONFIG_OF
43*4882a593Smuzhiyun static const struct of_device_id bmi160_of_match[] = {
44*4882a593Smuzhiyun 	{ .compatible = "bosch,bmi160" },
45*4882a593Smuzhiyun 	{ },
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, bmi160_of_match);
48*4882a593Smuzhiyun #endif
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun static struct spi_driver bmi160_spi_driver = {
51*4882a593Smuzhiyun 	.probe		= bmi160_spi_probe,
52*4882a593Smuzhiyun 	.id_table	= bmi160_spi_id,
53*4882a593Smuzhiyun 	.driver = {
54*4882a593Smuzhiyun 		.acpi_match_table	= ACPI_PTR(bmi160_acpi_match),
55*4882a593Smuzhiyun 		.of_match_table		= of_match_ptr(bmi160_of_match),
56*4882a593Smuzhiyun 		.name			= "bmi160_spi",
57*4882a593Smuzhiyun 	},
58*4882a593Smuzhiyun };
59*4882a593Smuzhiyun module_spi_driver(bmi160_spi_driver);
60*4882a593Smuzhiyun 
61*4882a593Smuzhiyun MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
62*4882a593Smuzhiyun MODULE_DESCRIPTION("Bosch BMI160 SPI driver");
63*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
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