1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2022 ROHM Semiconductors
4 *
5 * ROHM/KIONIX accelerometer driver
6 */
7
8 #include <linux/interrupt.h>
9 #include <linux/module.h>
10 #include <linux/regmap.h>
11 #include <linux/spi/spi.h>
12
13 #include "kionix-kx022a.h"
14
kx022a_spi_probe(struct spi_device * spi)15 static int kx022a_spi_probe(struct spi_device *spi)
16 {
17 struct device *dev = &spi->dev;
18 const struct kx022a_chip_info *chip_info;
19 struct regmap *regmap;
20
21 if (!spi->irq) {
22 dev_err(dev, "No IRQ configured\n");
23 return -EINVAL;
24 }
25
26 chip_info = spi_get_device_match_data(spi);
27 if (!chip_info)
28 return -EINVAL;
29
30 regmap = devm_regmap_init_spi(spi, chip_info->regmap_config);
31 if (IS_ERR(regmap))
32 return dev_err_probe(dev, PTR_ERR(regmap),
33 "Failed to initialize Regmap\n");
34
35 return kx022a_probe_internal(dev, chip_info);
36 }
37
38 static const struct spi_device_id kx022a_id[] = {
39 { .name = "kx022a", .driver_data = (kernel_ulong_t)&kx022a_chip_info },
40 { .name = "kx132-1211", .driver_data = (kernel_ulong_t)&kx132_chip_info },
41 { .name = "kx134-1211", .driver_data = (kernel_ulong_t)&kx134_chip_info },
42 { .name = "kx132acr-lbz", .driver_data = (kernel_ulong_t)&kx132acr_chip_info },
43 { .name = "kx134acr-lbz", .driver_data = (kernel_ulong_t)&kx134acr_chip_info },
44 { }
45 };
46 MODULE_DEVICE_TABLE(spi, kx022a_id);
47
48 static const struct of_device_id kx022a_of_match[] = {
49 { .compatible = "kionix,kx022a", .data = &kx022a_chip_info },
50 { .compatible = "kionix,kx132-1211", .data = &kx132_chip_info },
51 { .compatible = "kionix,kx134-1211", .data = &kx134_chip_info },
52 { .compatible = "rohm,kx132acr-lbz", .data = &kx132acr_chip_info },
53 { .compatible = "rohm,kx134acr-lbz", .data = &kx134acr_chip_info },
54 { }
55 };
56 MODULE_DEVICE_TABLE(of, kx022a_of_match);
57
58 static struct spi_driver kx022a_spi_driver = {
59 .driver = {
60 .name = "kx022a-spi",
61 .of_match_table = kx022a_of_match,
62 .probe_type = PROBE_PREFER_ASYNCHRONOUS,
63 },
64 .probe = kx022a_spi_probe,
65 .id_table = kx022a_id,
66 };
67 module_spi_driver(kx022a_spi_driver);
68
69 MODULE_DESCRIPTION("ROHM/Kionix kx022A accelerometer driver");
70 MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
71 MODULE_LICENSE("GPL");
72 MODULE_IMPORT_NS("IIO_KX022A");
73