Add the documentation for dt-binding of the audio card driver for sun8i SoC.
Signed-off-by: Mylène Josserand mylene.josserand@free-electrons.com --- Documentation/devicetree/bindings/sound/sun8i-audio.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/sun8i-audio.txt
diff --git a/Documentation/devicetree/bindings/sound/sun8i-audio.txt b/Documentation/devicetree/bindings/sound/sun8i-audio.txt new file mode 100644 index 0000000..2403983 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sun8i-audio.txt @@ -0,0 +1,17 @@ +* Allwinner A23/A33 audio card + +This binding implements the A33 audio card. + +Required properties: +- compatible: must be "allwinner,sun8i-audio" +- allwinner,audio-codec: must have the phandle of the audio codec + ("sun8i-a33-codec", for example). +- allwinner,i2s-controller: must have the phandle of the DAI + ("allwinner,sun4i-a10-i2s", for example) + +Example: +sound { + compatible = "allwinner,sun8i-audio"; + allwinner,audio-codec = <&codec>; + allwinner,i2s-controller = <&dai>; +};