Add documentation about how to probe the jz4740-codec driver from
devicetree.
Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
Changes:
v2: No change
.../bindings/sound/ingenic,jz4740-codec.txt | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt
diff --git a/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt b/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt
new file mode 100644
index 000000000000..1ffcade87e7b
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/ingenic,jz4740-codec.txt
@@ -0,0 +1,20 @@
+Ingenic JZ4740 codec controller
+
+Required properties:
+- compatible : "ingenic,jz4740-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@10020080 {
+ compatible = "ingenic,jz4740-codec";
+ reg = <0x10020080 0x8>;
+
+ #sound-dai-cells = <0>;
+
+ clocks = <&cgu JZ4740_CLK_AIC>;
+ clock-names = "aic";
+};
--
2.11.0
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