diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index 0a3647fe331b6f332afa86fd591e229088dec794..7b1fd0c8f3d3cd85b01724306bfc1dd1418efbb5 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -31,6 +31,8 @@ Optional properties:
 			  VSC8531_LINK_100_ACTIVITY (2),
 			  VSC8531_LINK_ACTIVITY (0) and
 			  VSC8531_DUPLEX_COLLISION (8).
+- vsc8531,led-[N]-combine-disable	: Disable the combined mode for LED[N].
+			  This disables the second mode if a combined mode is selected.
 - load-save-gpios	: GPIO used for the load/save operation of the PTP
 			  hardware clock (PHC).