Add documentation about how to probe the jz4725b-codec driver from
devicetree.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
.../bindings/sound/ingenic,jz4725b-codec.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt
diff --git a/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt b/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt
new file mode 100644
index 000000000000..05adc0d47b13
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ingenic,jz4725b-codec.txt
@@ -0,0 +1,20 @@
+Ingenic JZ4725B codec controller
+
+Required properties:
+- compatible : "ingenic,jz4725b-codec"
+- reg : codec registers location and length
+- clocks : phandle to the AIC clock.
+- clock-names: must be set to "aic".
+- #sound-dai-cells: Must be set to 0.
+
+Example:
+
+codec: audio-codec@100200a4 {
+ compatible = "ingenic,jz4725b-codec";
+ reg = <0x100200a4 0x8>;
+
+ #sound-dai-cells = <0>;
+
+ clocks = <&cgu JZ4725B_CLK_AIC>;
+ clock-names = "aic";
+};
--
2.11.0
