diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
index 60441f0c5..65b0a2dc2 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,liointc.yaml
@@ -40,6 +40,9 @@ properties:
       - const: isr1
     minItems: 2
 
+  '#address-cells':
+    const: 0
+
   interrupt-controller: true
 
   interrupts: