diff --git a/Documentation/devicetree/bindings/arm/l2cc.txt b/Documentation/devicetree/bindings/arm/l2cc.txt
index f50e021a099832154a7623753932d7030c270bab..7ca52161e7ab99df27334b1445d015365a053f0d 100644
--- a/Documentation/devicetree/bindings/arm/l2cc.txt
+++ b/Documentation/devicetree/bindings/arm/l2cc.txt
@@ -28,6 +28,7 @@ Optional properties:
 - arm,filter-ranges : <start length> Starting address and length of window to
   filter. Addresses in the filter window are directed to the M1 port. Other
   addresses will go to the M0 port.
+- interrupts : 1 combined interrupt.
 
 Example:
 
@@ -39,4 +40,5 @@ L2: cache-controller {
         arm,filter-latency = <0x80000000 0x8000000>;
         cache-unified;
         cache-level = <2>;
+	interrupts = <45>;
 };