1 /* SPDX-License-Identifier: GPL-2.0
2 *
3 * Copyright 2011-2019 NW Digital Radio
4 *
5 * Author: Annaliese McDermond <nh6z@nh6z.net>
6 *
7 * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
8 *
9 */
10
11 #include <linux/i2c.h>
12 #include <linux/module.h>
13 #include <linux/of.h>
14 #include <linux/regmap.h>
15 #include <sound/soc.h>
16
17 #include "tlv320aic32x4.h"
18
19 static const struct of_device_id aic32x4_of_id[];
20 static const struct i2c_device_id aic32x4_i2c_id[];
21
aic32x4_i2c_probe(struct i2c_client * i2c)22 static int aic32x4_i2c_probe(struct i2c_client *i2c)
23 {
24 struct regmap *regmap;
25 struct regmap_config config;
26
27 config = aic32x4_regmap_config;
28 config.reg_bits = 8;
29 config.val_bits = 8;
30
31 regmap = devm_regmap_init_i2c(i2c, &config);
32
33 if (i2c->dev.of_node) {
34 const struct of_device_id *oid;
35
36 oid = of_match_node(aic32x4_of_id, i2c->dev.of_node);
37 dev_set_drvdata(&i2c->dev, (void *)oid->data);
38 } else {
39 const struct i2c_device_id *id;
40
41 id = i2c_match_id(aic32x4_i2c_id, i2c);
42 dev_set_drvdata(&i2c->dev, (void *)id->driver_data);
43 }
44
45 return aic32x4_probe(&i2c->dev, regmap);
46 }
47
aic32x4_i2c_remove(struct i2c_client * i2c)48 static void aic32x4_i2c_remove(struct i2c_client *i2c)
49 {
50 aic32x4_remove(&i2c->dev);
51 }
52
53 static const struct i2c_device_id aic32x4_i2c_id[] = {
54 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
55 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
56 { "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 },
57 { /* sentinel */ }
58 };
59 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
60
61 static const struct of_device_id aic32x4_of_id[] = {
62 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
63 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
64 { .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 },
65 { /* senitel */ }
66 };
67 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
68
69 static struct i2c_driver aic32x4_i2c_driver = {
70 .driver = {
71 .name = "tlv320aic32x4",
72 .of_match_table = aic32x4_of_id,
73 },
74 .probe = aic32x4_i2c_probe,
75 .remove = aic32x4_i2c_remove,
76 .id_table = aic32x4_i2c_id,
77 };
78
79 module_i2c_driver(aic32x4_i2c_driver);
80
81 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
82 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
83 MODULE_LICENSE("GPL");
84