1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // CS530x CODEC driver
4 //
5 // Copyright (C) 2024 Cirrus Logic, Inc. and
6 // Cirrus Logic International Semiconductor Ltd.
7
8 #include <linux/device.h>
9 #include <linux/module.h>
10 #include <linux/i2c.h>
11 #include <linux/regmap.h>
12
13 #include "cs530x.h"
14
15 static const struct of_device_id cs530x_of_match[] = {
16 {
17 .compatible = "cirrus,cs5302",
18 .data = (void *)CS5302,
19 }, {
20 .compatible = "cirrus,cs5304",
21 .data = (void *)CS5304,
22 }, {
23 .compatible = "cirrus,cs5308",
24 .data = (void *)CS5308,
25 },
26 {}
27 };
28 MODULE_DEVICE_TABLE(of, cs530x_of_match);
29
30 static const struct i2c_device_id cs530x_i2c_id[] = {
31 { "cs5302", CS5302 },
32 { "cs5304", CS5304 },
33 { "cs5308", CS5308 },
34 { }
35 };
36 MODULE_DEVICE_TABLE(i2c, cs530x_i2c_id);
37
38 static int cs530x_i2c_probe(struct i2c_client *client)
39 {
40 struct cs530x_priv *cs530x;
41
42 cs530x = devm_kzalloc(&client->dev, sizeof(*cs530x), GFP_KERNEL);
43 if (!cs530x)
44 return -ENOMEM;
45
46 i2c_set_clientdata(client, cs530x);
47
48 cs530x->regmap = devm_regmap_init_i2c(client, &cs530x_regmap);
49 if (IS_ERR(cs530x->regmap))
50 return dev_err_probe(&client->dev, PTR_ERR(cs530x->regmap),
51 "Failed to allocate register map\n");
52
53 cs530x->devtype = (uintptr_t)i2c_get_match_data(client);
54 cs530x->dev = &client->dev;
55
56 return cs530x_probe(cs530x);
57 }
58
59 static struct i2c_driver cs530x_i2c_driver = {
60 .driver = {
61 .name = "cs530x",
62 .of_match_table = cs530x_of_match,
63 },
64 .probe = cs530x_i2c_probe,
65 .id_table = cs530x_i2c_id,
66 };
67 module_i2c_driver(cs530x_i2c_driver);
68
69 MODULE_DESCRIPTION("I2C CS530X driver");
70 MODULE_IMPORT_NS(SND_SOC_CS530X);
71 MODULE_AUTHOR("Paul Handrigan, Cirrus Logic Inc, <paulha@opensource.cirrus.com>");
72 MODULE_LICENSE("GPL");
73
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