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 
kxsd9_spi_probe(struct spi_device * spi)13 static 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 
kxsd9_spi_remove(struct spi_device * spi)35 static int kxsd9_spi_remove(struct spi_device *spi)
36 {
37 	kxsd9_common_remove(&spi->dev);
38 
39 	return 0;
40 }
41 
42 static const struct spi_device_id kxsd9_spi_id[] = {
43 	{"kxsd9", 0},
44 	{ },
45 };
46 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
47 
48 static const struct of_device_id kxsd9_of_match[] = {
49         { .compatible = "kionix,kxsd9" },
50         { },
51 };
52 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
53 
54 static 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 };
64 module_spi_driver(kxsd9_spi_driver);
65 
66 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
67 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
68 MODULE_LICENSE("GPL v2");
69