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