diff --git a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
index 43391a2d5bc5..294f1036420d 100644
--- a/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/renesas,rpc-if.yaml
@@ -56,6 +56,9 @@ properties:
 
   clocks: true
 
+  interrupts:
+    maxItems: 1
+
   power-domains:
     maxItems: 1