inv_icm45600_i2c.c

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/* Copyright (C) 2025 InvenSense, Inc. */
 3
 4#include <linux/device.h>
 5#include <linux/err.h>
 6#include <linux/i2c.h>
 7#include <linux/module.h>
 8#include <linux/mod_devicetable.h>
 9#include <linux/regmap.h>
10
11#include "inv_icm45600.h"
12
13static const struct regmap_config inv_icm45600_regmap_config = {
14	.reg_bits = 8,
15	.val_bits = 8,
16};
17
18static int inv_icm45600_probe(struct i2c_client *client)
19{
20	const struct inv_icm45600_chip_info *chip_info;
21	struct regmap *regmap;
22
23	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_I2C_BLOCK))
24		return -ENODEV;
25
26	chip_info = device_get_match_data(&client->dev);
27	if (!chip_info)
28		return -ENODEV;
29
30	regmap = devm_regmap_init_i2c(client, &inv_icm45600_regmap_config);
31	if (IS_ERR(regmap))
32		return PTR_ERR(regmap);
33
34	return inv_icm45600_core_probe(regmap, chip_info, true, NULL);
35}
36
37/*
38 * The device id table is used to identify which device is
39 * supported by this driver.
40 */
41static const struct i2c_device_id inv_icm45600_id[] = {
42	{ "icm45605", (kernel_ulong_t)&inv_icm45605_chip_info },
43	{ "icm45606", (kernel_ulong_t)&inv_icm45606_chip_info },
44	{ "icm45608", (kernel_ulong_t)&inv_icm45608_chip_info },
45	{ "icm45634", (kernel_ulong_t)&inv_icm45634_chip_info },
46	{ "icm45686", (kernel_ulong_t)&inv_icm45686_chip_info },
47	{ "icm45687", (kernel_ulong_t)&inv_icm45687_chip_info },
48	{ "icm45688p", (kernel_ulong_t)&inv_icm45688p_chip_info },
49	{ "icm45689", (kernel_ulong_t)&inv_icm45689_chip_info },
50	{ }
51};
52MODULE_DEVICE_TABLE(i2c, inv_icm45600_id);
53
54static const struct of_device_id inv_icm45600_of_matches[] = {
55	{
56		.compatible = "invensense,icm45605",
57		.data = &inv_icm45605_chip_info,
58	}, {
59		.compatible = "invensense,icm45606",
60		.data = &inv_icm45606_chip_info,
61	}, {
62		.compatible = "invensense,icm45608",
63		.data = &inv_icm45608_chip_info,
64	}, {
65		.compatible = "invensense,icm45634",
66		.data = &inv_icm45634_chip_info,
67	}, {
68		.compatible = "invensense,icm45686",
69		.data = &inv_icm45686_chip_info,
70	}, {
71		.compatible = "invensense,icm45687",
72		.data = &inv_icm45687_chip_info,
73	}, {
74		.compatible = "invensense,icm45688p",
75		.data = &inv_icm45688p_chip_info,
76	}, {
77		.compatible = "invensense,icm45689",
78		.data = &inv_icm45689_chip_info,
79	},
80	{ }
81};
82MODULE_DEVICE_TABLE(of, inv_icm45600_of_matches);
83
84static struct i2c_driver inv_icm45600_driver = {
85	.driver = {
86		.name = "inv-icm45600-i2c",
87		.of_match_table = inv_icm45600_of_matches,
88		.pm = pm_ptr(&inv_icm45600_pm_ops),
89	},
90	.id_table = inv_icm45600_id,
91	.probe = inv_icm45600_probe,
92};
93module_i2c_driver(inv_icm45600_driver);
94
95MODULE_AUTHOR("InvenSense, Inc.");
96MODULE_DESCRIPTION("InvenSense ICM-456xx I2C driver");
97MODULE_LICENSE("GPL");
98MODULE_IMPORT_NS("IIO_ICM45600");