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 | |
16 | static const struct regmap_config fxas21002c_regmap_spi_conf = { |
17 | .reg_bits = 8, |
18 | .val_bits = 8, |
19 | .max_register = FXAS21002C_REG_CTRL3, |
20 | }; |
21 | |
22 | static 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 | |
37 | static void fxas21002c_spi_remove(struct spi_device *spi) |
38 | { |
39 | fxas21002c_core_remove(dev: &spi->dev); |
40 | } |
41 | |
42 | static const struct spi_device_id fxas21002c_spi_id[] = { |
43 | { "fxas21002c" , 0 }, |
44 | { } |
45 | }; |
46 | MODULE_DEVICE_TABLE(spi, fxas21002c_spi_id); |
47 | |
48 | static const struct of_device_id fxas21002c_spi_of_match[] = { |
49 | { .compatible = "nxp,fxas21002c" , }, |
50 | { } |
51 | }; |
52 | MODULE_DEVICE_TABLE(of, fxas21002c_spi_of_match); |
53 | |
54 | static 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 | }; |
64 | module_spi_driver(fxas21002c_spi_driver); |
65 | |
66 | MODULE_AUTHOR("Rui Miguel Silva <rui.silva@linaro.org>" ); |
67 | MODULE_LICENSE("GPL v2" ); |
68 | MODULE_DESCRIPTION("FXAS21002C SPI Gyro driver" ); |
69 | MODULE_IMPORT_NS(IIO_FXAS21002C); |
70 | |