xref: /OK3568_Linux_fs/kernel/drivers/iio/accel/bmc150-accel-spi.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * 3-axis accelerometer driver supporting SPI Bosch-Sensortec accelerometer chip
4*4882a593Smuzhiyun  * Copyright © 2015 Pengutronix, Markus Pargmann <mpa@pengutronix.de>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/device.h>
8*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <linux/acpi.h>
11*4882a593Smuzhiyun #include <linux/regmap.h>
12*4882a593Smuzhiyun #include <linux/spi/spi.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "bmc150-accel.h"
15*4882a593Smuzhiyun 
bmc150_accel_probe(struct spi_device * spi)16*4882a593Smuzhiyun static int bmc150_accel_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, &bmc150_regmap_conf);
22*4882a593Smuzhiyun 	if (IS_ERR(regmap)) {
23*4882a593Smuzhiyun 		dev_err(&spi->dev, "Failed to initialize spi regmap\n");
24*4882a593Smuzhiyun 		return PTR_ERR(regmap);
25*4882a593Smuzhiyun 	}
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun 	return bmc150_accel_core_probe(&spi->dev, regmap, spi->irq, id->name,
28*4882a593Smuzhiyun 				       true);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun 
bmc150_accel_remove(struct spi_device * spi)31*4882a593Smuzhiyun static int bmc150_accel_remove(struct spi_device *spi)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun 	return bmc150_accel_core_remove(&spi->dev);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun static const struct acpi_device_id bmc150_accel_acpi_match[] = {
37*4882a593Smuzhiyun 	{"BSBA0150",	bmc150},
38*4882a593Smuzhiyun 	{"BMC150A",	bmc150},
39*4882a593Smuzhiyun 	{"BMI055A",	bmi055},
40*4882a593Smuzhiyun 	{"BMA0255",	bma255},
41*4882a593Smuzhiyun 	{"BMA250E",	bma250e},
42*4882a593Smuzhiyun 	{"BMA222E",	bma222e},
43*4882a593Smuzhiyun 	{"BMA0280",	bma280},
44*4882a593Smuzhiyun 	{ },
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match);
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun static const struct spi_device_id bmc150_accel_id[] = {
49*4882a593Smuzhiyun 	{"bmc150_accel",	bmc150},
50*4882a593Smuzhiyun 	{"bmi055_accel",	bmi055},
51*4882a593Smuzhiyun 	{"bma255",		bma255},
52*4882a593Smuzhiyun 	{"bma250e",		bma250e},
53*4882a593Smuzhiyun 	{"bma222e",		bma222e},
54*4882a593Smuzhiyun 	{"bma280",		bma280},
55*4882a593Smuzhiyun 	{}
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun MODULE_DEVICE_TABLE(spi, bmc150_accel_id);
58*4882a593Smuzhiyun 
59*4882a593Smuzhiyun static struct spi_driver bmc150_accel_driver = {
60*4882a593Smuzhiyun 	.driver = {
61*4882a593Smuzhiyun 		.name	= "bmc150_accel_spi",
62*4882a593Smuzhiyun 		.acpi_match_table = ACPI_PTR(bmc150_accel_acpi_match),
63*4882a593Smuzhiyun 		.pm	= &bmc150_accel_pm_ops,
64*4882a593Smuzhiyun 	},
65*4882a593Smuzhiyun 	.probe		= bmc150_accel_probe,
66*4882a593Smuzhiyun 	.remove		= bmc150_accel_remove,
67*4882a593Smuzhiyun 	.id_table	= bmc150_accel_id,
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun module_spi_driver(bmc150_accel_driver);
70*4882a593Smuzhiyun 
71*4882a593Smuzhiyun MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
72*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
73*4882a593Smuzhiyun MODULE_DESCRIPTION("BMC150 SPI accelerometer driver");
74