1 // SPDX-License-Identifier: GPL-2.0
2 // Audio driver for PCM1789 I2C
3 // Copyright (C) 2018 Bootlin
4 // Mylène Josserand <mylene.josserand@bootlin.com>
5
6 #include <linux/clk.h>
7 #include <linux/delay.h>
8 #include <linux/i2c.h>
9 #include <linux/module.h>
10 #include <linux/of.h>
11 #include <linux/regmap.h>
12
13 #include "pcm1789.h"
14
pcm1789_i2c_probe(struct i2c_client * client,const struct i2c_device_id * id)15 static int pcm1789_i2c_probe(struct i2c_client *client,
16 const struct i2c_device_id *id)
17 {
18 struct regmap *regmap;
19 int ret;
20
21 regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config);
22 if (IS_ERR(regmap)) {
23 ret = PTR_ERR(regmap);
24 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
25 return ret;
26 }
27
28 return pcm1789_common_init(&client->dev, regmap);
29 }
30
pcm1789_i2c_remove(struct i2c_client * client)31 static int pcm1789_i2c_remove(struct i2c_client *client)
32 {
33 return pcm1789_common_exit(&client->dev);
34 }
35
36 #ifdef CONFIG_OF
37 static const struct of_device_id pcm1789_of_match[] = {
38 { .compatible = "ti,pcm1789", },
39 { }
40 };
41 MODULE_DEVICE_TABLE(of, pcm1789_of_match);
42 #endif
43
44 static const struct i2c_device_id pcm1789_i2c_ids[] = {
45 { "pcm1789", 0 },
46 { }
47 };
48 MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids);
49
50 static struct i2c_driver pcm1789_i2c_driver = {
51 .driver = {
52 .name = "pcm1789",
53 .of_match_table = of_match_ptr(pcm1789_of_match),
54 },
55 .id_table = pcm1789_i2c_ids,
56 .probe = pcm1789_i2c_probe,
57 .remove = pcm1789_i2c_remove,
58 };
59
60 module_i2c_driver(pcm1789_i2c_driver);
61
62 MODULE_DESCRIPTION("ASoC PCM1789 I2C driver");
63 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>");
64 MODULE_LICENSE("GPL");
65