Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- Documentation/devicetree/bindings/sound/wm8728.txt | 18 ++++++++++++++++++ sound/soc/codecs/wm8728.c | 9 +++++++++ 2 files changed, 27 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/wm8728.txt
diff --git a/Documentation/devicetree/bindings/sound/wm8728.txt b/Documentation/devicetree/bindings/sound/wm8728.txt new file mode 100644 index 0000000..a8b5c36 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/wm8728.txt @@ -0,0 +1,18 @@ +WM8728 audio CODEC + +This device supports both I2C and SPI (configured with pin strapping +on the board). + +Required properties: + + - compatible : "wlf,wm8728" + + - reg : the I2C address of the device for I2C, the chip select + number for SPI. + +Example: + +codec: wm8728@1a { + compatible = "wlf,wm8728"; + reg = <0x1a>; +}; diff --git a/sound/soc/codecs/wm8728.c b/sound/soc/codecs/wm8728.c index c8564f7..04b027e 100644 --- a/sound/soc/codecs/wm8728.c +++ b/sound/soc/codecs/wm8728.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <linux/slab.h> +#include <linux/of_device.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> @@ -269,6 +270,12 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8728 = { .num_dapm_routes = ARRAY_SIZE(wm8728_intercon), };
+static const struct of_device_id wm8728_of_match[] = { + { .compatible = "wlf,wm8728", }, + { } +}; +MODULE_DEVICE_TABLE(of, wm8728_of_match); + #if defined(CONFIG_SPI_MASTER) static int __devinit wm8728_spi_probe(struct spi_device *spi) { @@ -300,6 +307,7 @@ static struct spi_driver wm8728_spi_driver = { .driver = { .name = "wm8728", .owner = THIS_MODULE, + .of_match_table = wm8728_of_match, }, .probe = wm8728_spi_probe, .remove = __devexit_p(wm8728_spi_remove), @@ -344,6 +352,7 @@ static struct i2c_driver wm8728_i2c_driver = { .driver = { .name = "wm8728", .owner = THIS_MODULE, + .of_match_table = wm8728_of_match, }, .probe = wm8728_i2c_probe, .remove = __devexit_p(wm8728_i2c_remove),