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10#include <linux/kernel.h>
11#include <linux/module.h>
12#include <linux/spi/spi.h>
13#include <linux/slab.h>
14#include <linux/regmap.h>
15
16#include "st_uvis25.h"
17
18#define UVIS25_SENSORS_SPI_READ BIT(7)
19#define UVIS25_SPI_AUTO_INCREMENT BIT(6)
20
21static const struct regmap_config st_uvis25_spi_regmap_config = {
22 .reg_bits = 8,
23 .val_bits = 8,
24 .read_flag_mask = UVIS25_SENSORS_SPI_READ | UVIS25_SPI_AUTO_INCREMENT,
25 .write_flag_mask = UVIS25_SPI_AUTO_INCREMENT,
26};
27
28static int st_uvis25_spi_probe(struct spi_device *spi)
29{
30 struct regmap *regmap;
31
32 regmap = devm_regmap_init_spi(spi, &st_uvis25_spi_regmap_config);
33 if (IS_ERR(regmap)) {
34 dev_err(&spi->dev, "Failed to register spi regmap %d\n",
35 (int)PTR_ERR(regmap));
36 return PTR_ERR(regmap);
37 }
38
39 return st_uvis25_probe(&spi->dev, spi->irq, regmap);
40}
41
42static const struct of_device_id st_uvis25_spi_of_match[] = {
43 { .compatible = "st,uvis25", },
44 {},
45};
46MODULE_DEVICE_TABLE(of, st_uvis25_spi_of_match);
47
48static const struct spi_device_id st_uvis25_spi_id_table[] = {
49 { ST_UVIS25_DEV_NAME },
50 {},
51};
52MODULE_DEVICE_TABLE(spi, st_uvis25_spi_id_table);
53
54static struct spi_driver st_uvis25_driver = {
55 .driver = {
56 .name = "st_uvis25_spi",
57 .pm = &st_uvis25_pm_ops,
58 .of_match_table = of_match_ptr(st_uvis25_spi_of_match),
59 },
60 .probe = st_uvis25_spi_probe,
61 .id_table = st_uvis25_spi_id_table,
62};
63module_spi_driver(st_uvis25_driver);
64
65MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
66MODULE_DESCRIPTION("STMicroelectronics uvis25 spi driver");
67MODULE_LICENSE("GPL v2");
68
