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-rw-r--r--dts/Bindings/sound/simple-amplifier.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/dts/Bindings/sound/simple-amplifier.txt b/dts/Bindings/sound/simple-amplifier.txt
index 8647edae7a..7182ac4f1e 100644
--- a/dts/Bindings/sound/simple-amplifier.txt
+++ b/dts/Bindings/sound/simple-amplifier.txt
@@ -4,9 +4,14 @@ Required properties:
- compatible : "dioo,dio2125" or "simple-audio-amplifier"
- enable-gpios : the gpio connected to the enable pin of the simple amplifier
+Optional properties:
+- VCC-supply : power supply for the device, as covered
+ in Documentation/devicetree/bindings/regulator/regulator.txt
+
Example:
amp: analog-amplifier {
compatible = "simple-audio-amplifier";
+ VCC-supply = <&regulator>;
enable-gpios = <&gpio GPIOH_3 0>;
};