diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index a5160d8cbb5f7e1c020e925da23d491ca3b3a0a4..1f6d3f470c3635dac9afd3d2312e317f7b89a66a 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -41,6 +41,7 @@ Required properties:
 	"allwinner,sun7i-a20-gmac-clk" - for the GMAC clock module on A20/A31
 	"allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20
 	"allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13
+	"allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31
 
 Required properties for all clocks:
 - reg : shall be the control register address for the clock.