1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Driver for NXP Fxas21002c Gyroscope - SPI
4 *
5 * Copyright (C) 2019 Linaro Ltd.
6 */
7
8#include <linux/err.h>
9#include <linux/mod_devicetable.h>
10#include <linux/module.h>
11#include <linux/regmap.h>
12#include <linux/spi/spi.h>
13
14#include "fxas21002c.h"
15
16static const struct regmap_config fxas21002c_regmap_spi_conf = {
17 .reg_bits = 8,
18 .val_bits = 8,
19 .max_register = FXAS21002C_REG_CTRL3,
20};
21
22static int fxas21002c_spi_probe(struct spi_device *spi)
23{
24 const struct spi_device_id *id = spi_get_device_id(sdev: spi);
25 struct regmap *regmap;
26
27 regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf);
28 if (IS_ERR(ptr: regmap)) {
29 dev_err(&spi->dev, "Failed to register spi regmap: %ld\n",
30 PTR_ERR(regmap));
31 return PTR_ERR(ptr: regmap);
32 }
33
34 return fxas21002c_core_probe(dev: &spi->dev, regmap, irq: spi->irq, name: id->name);
35}
36
37static void fxas21002c_spi_remove(struct spi_device *spi)
38{
39 fxas21002c_core_remove(dev: &spi->dev);
40}
41
42static const struct spi_device_id fxas21002c_spi_id[] = {
43 { "fxas21002c", 0 },
44 { }
45};
46MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id);
47
48static const struct of_device_id fxas21002c_spi_of_match[] = {
49 { .compatible = "nxp,fxas21002c", },
50 { }
51};
52MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match);
53
54static struct spi_driver fxas21002c_spi_driver = {
55 .driver = {
56 .name = "fxas21002c_spi",
57 .pm = pm_ptr(&fxas21002c_pm_ops),
58 .of_match_table = fxas21002c_spi_of_match,
59 },
60 .probe = fxas21002c_spi_probe,
61 .remove = fxas21002c_spi_remove,
62 .id_table = fxas21002c_spi_id,
63};
64module_spi_driver(fxas21002c_spi_driver);
65
66MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
67MODULE_LICENSE("GPL v2");
68MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver");
69MODULE_IMPORT_NS(IIO_FXAS21002C);
70

source code of linux/drivers/iio/gyro/fxas21002c_spi.c