1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Driver for NXP Fxas21002c Gyroscope - SPI
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2019 Linaro Ltd.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/err.h>
9*4882a593Smuzhiyun #include <linux/mod_devicetable.h>
10*4882a593Smuzhiyun #include <linux/module.h>
11*4882a593Smuzhiyun #include <linux/regmap.h>
12*4882a593Smuzhiyun #include <linux/spi/spi.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "fxas21002c.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun static const struct regmap_config fxas21002c_regmap_spi_conf = {
17*4882a593Smuzhiyun .reg_bits = 8,
18*4882a593Smuzhiyun .val_bits = 8,
19*4882a593Smuzhiyun .max_register = FXAS21002C_REG_CTRL3,
20*4882a593Smuzhiyun };
21*4882a593Smuzhiyun
fxas21002c_spi_probe(struct spi_device * spi)22*4882a593Smuzhiyun static int fxas21002c_spi_probe(struct spi_device *spi)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun const struct spi_device_id *id = spi_get_device_id(spi);
25*4882a593Smuzhiyun struct regmap *regmap;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun regmap = devm_regmap_init_spi(spi, &fxas21002c_regmap_spi_conf);
28*4882a593Smuzhiyun if (IS_ERR(regmap)) {
29*4882a593Smuzhiyun dev_err(&spi->dev, "Failed to register spi regmap: %ld\n",
30*4882a593Smuzhiyun PTR_ERR(regmap));
31*4882a593Smuzhiyun return PTR_ERR(regmap);
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun return fxas21002c_core_probe(&spi->dev, regmap, spi->irq, id->name);
35*4882a593Smuzhiyun }
36*4882a593Smuzhiyun
fxas21002c_spi_remove(struct spi_device * spi)37*4882a593Smuzhiyun static int fxas21002c_spi_remove(struct spi_device *spi)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun fxas21002c_core_remove(&spi->dev);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return 0;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static const struct spi_device_id fxas21002c_spi_id[] = {
45*4882a593Smuzhiyun { "fxas21002c", 0 },
46*4882a593Smuzhiyun { }
47*4882a593Smuzhiyun };
48*4882a593Smuzhiyun MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id);
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun static const struct of_device_id fxas21002c_spi_of_match[] = {
51*4882a593Smuzhiyun { .compatible = "nxp,fxas21002c", },
52*4882a593Smuzhiyun { }
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun static struct spi_driver fxas21002c_spi_driver = {
57*4882a593Smuzhiyun .driver = {
58*4882a593Smuzhiyun .name = "fxas21002c_spi",
59*4882a593Smuzhiyun .pm = &fxas21002c_pm_ops,
60*4882a593Smuzhiyun .of_match_table = fxas21002c_spi_of_match,
61*4882a593Smuzhiyun },
62*4882a593Smuzhiyun .probe = fxas21002c_spi_probe,
63*4882a593Smuzhiyun .remove = fxas21002c_spi_remove,
64*4882a593Smuzhiyun .id_table = fxas21002c_spi_id,
65*4882a593Smuzhiyun };
66*4882a593Smuzhiyun module_spi_driver(fxas21002c_spi_driver);
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>");
69*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
70*4882a593Smuzhiyun MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver");
71