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)15 static int pcm1789_i2c_probe(struct i2c_client *client)
16 {
17 struct regmap *regmap;
18 int ret;
19
20 regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config);
21 if (IS_ERR(regmap)) {
22 ret = PTR_ERR(regmap);
23 dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
24 return ret;
25 }
26
27 return pcm1789_common_init(&client->dev, regmap);
28 }
29
pcm1789_i2c_remove(struct i2c_client * client)30 static void pcm1789_i2c_remove(struct i2c_client *client)
31 {
32 pcm1789_common_exit(&client->dev);
33 }
34
35 #ifdef CONFIG_OF
36 static const struct of_device_id pcm1789_of_match[] = {
37 { .compatible = "ti,pcm1789", },
38 { }
39 };
40 MODULE_DEVICE_TABLE(of, pcm1789_of_match);
41 #endif
42
43 static const struct i2c_device_id pcm1789_i2c_ids[] = {
44 { "pcm1789" },
45 { }
46 };
47 MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids);
48
49 static struct i2c_driver pcm1789_i2c_driver = {
50 .driver = {
51 .name = "pcm1789",
52 .of_match_table = of_match_ptr(pcm1789_of_match),
53 },
54 .id_table = pcm1789_i2c_ids,
55 .probe = pcm1789_i2c_probe,
56 .remove = pcm1789_i2c_remove,
57 };
58
59 module_i2c_driver(pcm1789_i2c_driver);
60
61 MODULE_DESCRIPTION("ASoC PCM1789 I2C driver");
62 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@bootlin.com>");
63 MODULE_LICENSE("GPL");
64