diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
index 6f30b9a048da..c756afa88cc6 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
@@ -18,6 +18,7 @@ Required properties:
 Optional properties:
 
 - interrupt-parent      : The parent interrupt controller, optional if inherited
+- clocks                : A phandle to the HPLL clock node for debounce timings
 
 The gpio and interrupt properties are further described in their respective
 bindings documentation: