diff --git a/Documentation/devicetree/bindings/net/marvell-pp2.txt b/Documentation/devicetree/bindings/net/marvell-pp2.txt
index 8918ad3ccf148487f71f5fc38025625832c14597..49484db8158355d94943fe308ed68ac2b694c453 100644
--- a/Documentation/devicetree/bindings/net/marvell-pp2.txt
+++ b/Documentation/devicetree/bindings/net/marvell-pp2.txt
@@ -45,6 +45,7 @@ Optional properties (port):
                    be the name associated to the interrupts listed. Valid
                    names are: "tx-cpu0", "tx-cpu1", "tx-cpu2", "tx-cpu3",
 		   "rx-shared".
+- marvell,system-controller: a phandle to the system controller.
 
 Example for marvell,armada-375-pp2: