ASoC: rt5640: add master clock handling for rt5640

[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / sound / rt5640.txt

diff --git a/Documentation/devicetree/bindings/sound/rt5640.txt b/Documentation/devicetree/bindings/sound/rt5640.txt
index 9e62f6eb348f9499923dbcb473dad6ff22678bfa..57fe64643050a5e9f41072dd0d4ae0376f5d6958 100644 (file)
--- a/Documentation/devicetree/bindings/sound/rt5640.txt
+++ b/Documentation/devicetree/bindings/sound/rt5640.txt
@@ -12,6 +12,9 @@ Required properties:
 
 Optional properties:
 
+- clocks: The phandle of the master clock to the CODEC
+- clock-names: Should be "mclk"
+
 - realtek,in1-differential
 - realtek,in2-differential
 - realtek,in3-differential