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ASoC: add DT bindings for cs4270

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Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Daniel Mack 2012-07-25 15:28:34 +02:00 committed by Mark Brown
parent d9f34df782
commit 85d07e4d62
2 changed files with 27 additions and 0 deletions
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16
Documentation/devicetree/bindings/sound/cs4270.txt Normal file
View file

@ -0,0 +1,16 @@
CS4270 audio CODEC
The driver for this device currently only supports I2C.
Required properties:
- compatible : "cirrus,cs4270"
- reg : the I2C address of the device for I2C
Example:
codec: cs4270@48 {
compatible = "cirrus,cs4270";
reg = <0x48>;
};

11
sound/soc/codecs/cs4270.c
View file

@ -29,6 +29,7 @@
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/regulator/consumer.h>
#include <linux/of_device.h>
/*
* The codec isn't really big-endian or little-endian, since the I2S
@ -639,6 +640,15 @@ static const struct snd_soc_codec_driver soc_codec_device_cs4270 = {
.reg_cache_default = cs4270_default_reg_cache,
};
/*
* cs4270_of_match - the device tree bindings
*/
static const struct of_device_id cs4270_of_match[] = {
{ .compatible = "cirrus,cs4270", },
{ }
};
MODULE_DEVICE_TABLE(of, cs4270_of_match);
/**
* cs4270_i2c_probe - initialize the I2C interface of the CS4270
* @i2c_client: the I2C client object
@ -718,6 +728,7 @@ static struct i2c_driver cs4270_i2c_driver = {
.driver = {
.name = "cs4270",
.owner = THIS_MODULE,
.of_match_table = cs4270_of_match,
},
.id_table = cs4270_id,
.probe = cs4270_i2c_probe,