tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-only
2#include <linux/device.h>
3#include <linux/kernel.h>
4#include <linux/of.h>
5#include <linux/of_device.h>
6#include <linux/spi/spi.h>
7#include <linux/module.h>
8#include <linux/slab.h>
9#include <linux/regmap.h>
10
11#include "kxsd9.h"
12
13static int kxsd9_spi_probe(struct spi_device *spi)
14{
15 static const struct regmap_config config = {
16 .reg_bits = 8,
17 .val_bits = 8,
18 .max_register = 0x0e,
19 };
20 struct regmap *regmap;
21
22 spi->mode = SPI_MODE_0;
23 regmap = devm_regmap_init_spi(spi, &config);
24 if (IS_ERR(regmap)) {
25 dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
26 __func__, PTR_ERR(regmap));
27 return PTR_ERR(regmap);
28 }
29
30 return kxsd9_common_probe(&spi->dev,
31 regmap,
32 spi_get_device_id(spi)->name);
33}
34
35static int kxsd9_spi_remove(struct spi_device *spi)
36{
37 kxsd9_common_remove(&spi->dev);
38
39 return 0;
40}
41
42static const struct spi_device_id kxsd9_spi_id[] = {
43 {"kxsd9", 0},
44 { },
45};
46MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
47
48static const struct of_device_id kxsd9_of_match[] = {
49 { .compatible = "kionix,kxsd9" },
50 { },
51};
52MODULE_DEVICE_TABLE(of, kxsd9_of_match);
53
54static struct spi_driver kxsd9_spi_driver = {
55 .driver = {
56 .name = "kxsd9",
57 .pm = &kxsd9_dev_pm_ops,
58 .of_match_table = kxsd9_of_match,
59 },
60 .probe = kxsd9_spi_probe,
61 .remove = kxsd9_spi_remove,
62 .id_table = kxsd9_spi_id,
63};
64module_spi_driver(kxsd9_spi_driver);
65
66MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
67MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
68MODULE_LICENSE("GPL v2");