xref: /OK3568_Linux_fs/kernel/drivers/iio/accel/mma7455_spi.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * IIO accel SPI driver for Freescale MMA7455L 3-axis 10-bit accelerometer
4*4882a593Smuzhiyun  * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <linux/module.h>
8*4882a593Smuzhiyun #include <linux/regmap.h>
9*4882a593Smuzhiyun #include <linux/spi/spi.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include "mma7455.h"
12*4882a593Smuzhiyun 
mma7455_spi_probe(struct spi_device * spi)13*4882a593Smuzhiyun static int mma7455_spi_probe(struct spi_device *spi)
14*4882a593Smuzhiyun {
15*4882a593Smuzhiyun 	const struct spi_device_id *id = spi_get_device_id(spi);
16*4882a593Smuzhiyun 	struct regmap *regmap;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	regmap = devm_regmap_init_spi(spi, &mma7455_core_regmap);
19*4882a593Smuzhiyun 	if (IS_ERR(regmap))
20*4882a593Smuzhiyun 		return PTR_ERR(regmap);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	return mma7455_core_probe(&spi->dev, regmap, id->name);
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
mma7455_spi_remove(struct spi_device * spi)25*4882a593Smuzhiyun static int mma7455_spi_remove(struct spi_device *spi)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun 	return mma7455_core_remove(&spi->dev);
28*4882a593Smuzhiyun }
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun static const struct spi_device_id mma7455_spi_ids[] = {
31*4882a593Smuzhiyun 	{ "mma7455", 0 },
32*4882a593Smuzhiyun 	{ "mma7456", 0 },
33*4882a593Smuzhiyun 	{ }
34*4882a593Smuzhiyun };
35*4882a593Smuzhiyun MODULE_DEVICE_TABLE(spi, mma7455_spi_ids);
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun static struct spi_driver mma7455_spi_driver = {
38*4882a593Smuzhiyun 	.probe = mma7455_spi_probe,
39*4882a593Smuzhiyun 	.remove = mma7455_spi_remove,
40*4882a593Smuzhiyun 	.id_table = mma7455_spi_ids,
41*4882a593Smuzhiyun 	.driver = {
42*4882a593Smuzhiyun 		.name = "mma7455-spi",
43*4882a593Smuzhiyun 	},
44*4882a593Smuzhiyun };
45*4882a593Smuzhiyun module_spi_driver(mma7455_spi_driver);
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
48*4882a593Smuzhiyun MODULE_DESCRIPTION("Freescale MMA7455L SPI accelerometer driver");
49*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
50