bmi270_i2c.c

 1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 2
 3#include <linux/i2c.h>
 4#include <linux/iio/iio.h>
 5#include <linux/module.h>
 6#include <linux/mod_devicetable.h>
 7#include <linux/pm.h>
 8#include <linux/regmap.h>
 9
10#include "bmi270.h"
11
12static const struct regmap_config bmi270_i2c_regmap_config = {
13	.reg_bits = 8,
14	.val_bits = 8,
15};
16
17static int bmi270_i2c_probe(struct i2c_client *client)
18{
19	struct regmap *regmap;
20	struct device *dev = &client->dev;
21	const struct bmi270_chip_info *chip_info;
22
23	chip_info = i2c_get_match_data(client);
24	if (!chip_info)
25		return -ENODEV;
26
27	regmap = devm_regmap_init_i2c(client, &bmi270_i2c_regmap_config);
28	if (IS_ERR(regmap))
29		return dev_err_probe(dev, PTR_ERR(regmap),
30				     "Failed to init i2c regmap");
31
32	return bmi270_core_probe(dev, regmap, chip_info);
33}
34
35static const struct i2c_device_id bmi270_i2c_id[] = {
36	{ "bmi260", (kernel_ulong_t)&bmi260_chip_info },
37	{ "bmi270", (kernel_ulong_t)&bmi270_chip_info },
38	{ }
39};
40MODULE_DEVICE_TABLE(i2c, bmi270_i2c_id);
41
42static const struct acpi_device_id bmi270_acpi_match[] = {
43	/* GPD Win Mini, Aya Neo AIR Pro, OXP Mini Pro, etc. */
44	{ "BMI0160",  (kernel_ulong_t)&bmi260_chip_info },
45	/* GPD Win Max 2 2023(sincice BIOS v0.40), etc. */
46	{ "BMI0260",  (kernel_ulong_t)&bmi260_chip_info },
47	{ }
48};
49MODULE_DEVICE_TABLE(acpi, bmi270_acpi_match);
50
51static const struct of_device_id bmi270_of_match[] = {
52	{ .compatible = "bosch,bmi260", .data = &bmi260_chip_info },
53	{ .compatible = "bosch,bmi270", .data = &bmi270_chip_info },
54	{ }
55};
56MODULE_DEVICE_TABLE(of, bmi270_of_match);
57
58static struct i2c_driver bmi270_i2c_driver = {
59	.driver = {
60		.name = "bmi270_i2c",
61		.pm = pm_ptr(&bmi270_core_pm_ops),
62		.acpi_match_table = bmi270_acpi_match,
63		.of_match_table = bmi270_of_match,
64	},
65	.probe = bmi270_i2c_probe,
66	.id_table = bmi270_i2c_id,
67};
68module_i2c_driver(bmi270_i2c_driver);
69
70MODULE_AUTHOR("Alex Lanzano");
71MODULE_DESCRIPTION("BMI270 driver");
72MODULE_LICENSE("GPL");
73MODULE_IMPORT_NS("IIO_BMI270");