xref: /openbmc/linux/drivers/iio/gyro/bmg160_spi.c (revision a0386bba)
109c434b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2b1d125ccSMarkus Pargmann #include <linux/spi/spi.h>
3b1d125ccSMarkus Pargmann #include <linux/regmap.h>
4b1d125ccSMarkus Pargmann #include <linux/iio/iio.h>
5b1d125ccSMarkus Pargmann #include <linux/module.h>
6b1d125ccSMarkus Pargmann 
7b1d125ccSMarkus Pargmann #include "bmg160.h"
8b1d125ccSMarkus Pargmann 
9b1d125ccSMarkus Pargmann static const struct regmap_config bmg160_regmap_spi_conf = {
10b1d125ccSMarkus Pargmann 	.reg_bits = 8,
11b1d125ccSMarkus Pargmann 	.val_bits = 8,
12b1d125ccSMarkus Pargmann 	.max_register = 0x3f,
13b1d125ccSMarkus Pargmann };
14b1d125ccSMarkus Pargmann 
bmg160_spi_probe(struct spi_device * spi)15b1d125ccSMarkus Pargmann static int bmg160_spi_probe(struct spi_device *spi)
16b1d125ccSMarkus Pargmann {
17b1d125ccSMarkus Pargmann 	struct regmap *regmap;
18b1d125ccSMarkus Pargmann 	const struct spi_device_id *id = spi_get_device_id(spi);
19b1d125ccSMarkus Pargmann 
20b1d125ccSMarkus Pargmann 	regmap = devm_regmap_init_spi(spi, &bmg160_regmap_spi_conf);
21b1d125ccSMarkus Pargmann 	if (IS_ERR(regmap)) {
22df91cf5cSNishant Malpani 		dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
23df91cf5cSNishant Malpani 			regmap);
24b1d125ccSMarkus Pargmann 		return PTR_ERR(regmap);
25b1d125ccSMarkus Pargmann 	}
26b1d125ccSMarkus Pargmann 
27b1d125ccSMarkus Pargmann 	return bmg160_core_probe(&spi->dev, regmap, spi->irq, id->name);
28b1d125ccSMarkus Pargmann }
29b1d125ccSMarkus Pargmann 
bmg160_spi_remove(struct spi_device * spi)30*a0386bbaSUwe Kleine-König static void bmg160_spi_remove(struct spi_device *spi)
31b1d125ccSMarkus Pargmann {
32b1d125ccSMarkus Pargmann 	bmg160_core_remove(&spi->dev);
33b1d125ccSMarkus Pargmann }
34b1d125ccSMarkus Pargmann 
35b1d125ccSMarkus Pargmann static const struct spi_device_id bmg160_spi_id[] = {
36b1d125ccSMarkus Pargmann 	{"bmg160", 0},
37b1d125ccSMarkus Pargmann 	{"bmi055_gyro", 0},
381579fc06SMike Looijmans 	{"bmi088_gyro", 0},
39b1d125ccSMarkus Pargmann 	{}
40b1d125ccSMarkus Pargmann };
41b1d125ccSMarkus Pargmann 
42b1d125ccSMarkus Pargmann MODULE_DEVICE_TABLE(spi, bmg160_spi_id);
43b1d125ccSMarkus Pargmann 
44b1d125ccSMarkus Pargmann static struct spi_driver bmg160_spi_driver = {
45b1d125ccSMarkus Pargmann 	.driver = {
46b1d125ccSMarkus Pargmann 		.name	= "bmg160_spi",
47b1d125ccSMarkus Pargmann 		.pm	= &bmg160_pm_ops,
48b1d125ccSMarkus Pargmann 	},
49b1d125ccSMarkus Pargmann 	.probe		= bmg160_spi_probe,
50b1d125ccSMarkus Pargmann 	.remove		= bmg160_spi_remove,
51b1d125ccSMarkus Pargmann 	.id_table	= bmg160_spi_id,
52b1d125ccSMarkus Pargmann };
53b1d125ccSMarkus Pargmann module_spi_driver(bmg160_spi_driver);
54b1d125ccSMarkus Pargmann 
55b1d125ccSMarkus Pargmann MODULE_AUTHOR("Markus Pargmann <mpa@pengutronix.de>");
56b1d125ccSMarkus Pargmann MODULE_LICENSE("GPL v2");
57b1d125ccSMarkus Pargmann MODULE_DESCRIPTION("BMG160 SPI Gyro driver");
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