xref: /linux/drivers/iio/accel/kxsd9-spi.c (revision df2171c668bdecc9122cc8f66bd0639baeae5c6b)
109c434b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2bf96f6e8SLinus Walleij #include <linux/device.h>
3bf96f6e8SLinus Walleij #include <linux/kernel.h>
417b16c3cSDaniel Gomez #include <linux/of.h>
517b16c3cSDaniel Gomez #include <linux/of_device.h>
6bf96f6e8SLinus Walleij #include <linux/spi/spi.h>
7bf96f6e8SLinus Walleij #include <linux/module.h>
8bf96f6e8SLinus Walleij #include <linux/slab.h>
90d1fb2d5SLinus Walleij #include <linux/regmap.h>
10bf96f6e8SLinus Walleij 
11bf96f6e8SLinus Walleij #include "kxsd9.h"
12bf96f6e8SLinus Walleij 
13bf96f6e8SLinus Walleij static int kxsd9_spi_probe(struct spi_device *spi)
14bf96f6e8SLinus Walleij {
150d1fb2d5SLinus Walleij 	static const struct regmap_config config = {
160d1fb2d5SLinus Walleij 		.reg_bits = 8,
170d1fb2d5SLinus Walleij 		.val_bits = 8,
180d1fb2d5SLinus Walleij 		.max_register = 0x0e,
190d1fb2d5SLinus Walleij 	};
200d1fb2d5SLinus Walleij 	struct regmap *regmap;
21bf96f6e8SLinus Walleij 
22bf96f6e8SLinus Walleij 	spi->mode = SPI_MODE_0;
230d1fb2d5SLinus Walleij 	regmap = devm_regmap_init_spi(spi, &config);
240d1fb2d5SLinus Walleij 	if (IS_ERR(regmap)) {
250d1fb2d5SLinus Walleij 		dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
260d1fb2d5SLinus Walleij 			__func__, PTR_ERR(regmap));
270d1fb2d5SLinus Walleij 		return PTR_ERR(regmap);
280d1fb2d5SLinus Walleij 	}
29bf96f6e8SLinus Walleij 
300d1fb2d5SLinus Walleij 	return kxsd9_common_probe(&spi->dev,
310d1fb2d5SLinus Walleij 				  regmap,
32bf96f6e8SLinus Walleij 				  spi_get_device_id(spi)->name);
33bf96f6e8SLinus Walleij }
34bf96f6e8SLinus Walleij 
35bf96f6e8SLinus Walleij static int kxsd9_spi_remove(struct spi_device *spi)
36bf96f6e8SLinus Walleij {
37*df2171c6SUwe Kleine-König 	kxsd9_common_remove(&spi->dev);
38*df2171c6SUwe Kleine-König 
39*df2171c6SUwe Kleine-König 	return 0;
40bf96f6e8SLinus Walleij }
41bf96f6e8SLinus Walleij 
42bf96f6e8SLinus Walleij static const struct spi_device_id kxsd9_spi_id[] = {
43bf96f6e8SLinus Walleij 	{"kxsd9", 0},
44bf96f6e8SLinus Walleij 	{ },
45bf96f6e8SLinus Walleij };
46bf96f6e8SLinus Walleij MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
47bf96f6e8SLinus Walleij 
4817b16c3cSDaniel Gomez static const struct of_device_id kxsd9_of_match[] = {
4917b16c3cSDaniel Gomez         { .compatible = "kionix,kxsd9" },
5017b16c3cSDaniel Gomez         { },
5117b16c3cSDaniel Gomez };
5217b16c3cSDaniel Gomez MODULE_DEVICE_TABLE(of, kxsd9_of_match);
5317b16c3cSDaniel Gomez 
54bf96f6e8SLinus Walleij static struct spi_driver kxsd9_spi_driver = {
55bf96f6e8SLinus Walleij 	.driver = {
56bf96f6e8SLinus Walleij 		.name = "kxsd9",
579a9a369dSLinus Walleij 		.pm = &kxsd9_dev_pm_ops,
5817b16c3cSDaniel Gomez 		.of_match_table = kxsd9_of_match,
59bf96f6e8SLinus Walleij 	},
60bf96f6e8SLinus Walleij 	.probe = kxsd9_spi_probe,
61bf96f6e8SLinus Walleij 	.remove = kxsd9_spi_remove,
62bf96f6e8SLinus Walleij 	.id_table = kxsd9_spi_id,
63bf96f6e8SLinus Walleij };
64bf96f6e8SLinus Walleij module_spi_driver(kxsd9_spi_driver);
65bf96f6e8SLinus Walleij 
66bf96f6e8SLinus Walleij MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
67bf96f6e8SLinus Walleij MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
68bf96f6e8SLinus Walleij MODULE_LICENSE("GPL v2");
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