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-rw-r--r--dts/Bindings/sound/ak4642.txt22
1 files changed, 21 insertions, 1 deletions
diff --git a/dts/Bindings/sound/ak4642.txt b/dts/Bindings/sound/ak4642.txt
index 623d4e70ae..340784db68 100644
--- a/dts/Bindings/sound/ak4642.txt
+++ b/dts/Bindings/sound/ak4642.txt
@@ -7,7 +7,14 @@ Required properties:
- compatible : "asahi-kasei,ak4642" or "asahi-kasei,ak4643" or "asahi-kasei,ak4648"
- reg : The chip select number on the I2C bus
-Example:
+Optional properties:
+
+ - #clock-cells : common clock binding; shall be set to 0
+ - clocks : common clock binding; MCKI clock
+ - clock-frequency : common clock binding; frequency of MCKO
+ - clock-output-names : common clock binding; MCKO clock name
+
+Example 1:
&i2c {
ak4648: ak4648@0x12 {
@@ -15,3 +22,16 @@ Example:
reg = <0x12>;
};
};
+
+Example 2:
+
+&i2c {
+ ak4643: codec@12 {
+ compatible = "asahi-kasei,ak4643";
+ reg = <0x12>;
+ #clock-cells = <0>;
+ clocks = <&audio_clock>;
+ clock-frequency = <12288000>;
+ clock-output-names = "ak4643_mcko";
+ };
+};