Add the documentation for dt-binding of the audio card driver
for sun8i SoC.
Signed-off-by: Mylène Josserand <mylene.josser...@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>;
+};
--
2.9.3
