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
aic32x4_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)21 static int aic32x4_i2c_probe(struct i2c_client *i2c,
22 const struct i2c_device_id *id)
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 if (id) {
39 dev_set_drvdata(&i2c->dev, (void *)id->driver_data);
40 }
41
42 return aic32x4_probe(&i2c->dev, regmap);
43 }
44
aic32x4_i2c_remove(struct i2c_client * i2c)45 static int aic32x4_i2c_remove(struct i2c_client *i2c)
46 {
47 return aic32x4_remove(&i2c->dev);
48 }
49
50 static const struct i2c_device_id aic32x4_i2c_id[] = {
51 { "tlv320aic32x4", (kernel_ulong_t)AIC32X4_TYPE_AIC32X4 },
52 { "tlv320aic32x6", (kernel_ulong_t)AIC32X4_TYPE_AIC32X6 },
53 { "tas2505", (kernel_ulong_t)AIC32X4_TYPE_TAS2505 },
54 { /* sentinel */ }
55 };
56 MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
57
58 static const struct of_device_id aic32x4_of_id[] = {
59 { .compatible = "ti,tlv320aic32x4", .data = (void *)AIC32X4_TYPE_AIC32X4 },
60 { .compatible = "ti,tlv320aic32x6", .data = (void *)AIC32X4_TYPE_AIC32X6 },
61 { .compatible = "ti,tas2505", .data = (void *)AIC32X4_TYPE_TAS2505 },
62 { /* senitel */ }
63 };
64 MODULE_DEVICE_TABLE(of, aic32x4_of_id);
65
66 static struct i2c_driver aic32x4_i2c_driver = {
67 .driver = {
68 .name = "tlv320aic32x4",
69 .of_match_table = aic32x4_of_id,
70 },
71 .probe = aic32x4_i2c_probe,
72 .remove = aic32x4_i2c_remove,
73 .id_table = aic32x4_i2c_id,
74 };
75
76 module_i2c_driver(aic32x4_i2c_driver);
77
78 MODULE_DESCRIPTION("ASoC TLV320AIC32x4 codec driver I2C");
79 MODULE_AUTHOR("Annaliese McDermond <nh6z@nh6z.net>");
80 MODULE_LICENSE("GPL");
81