diff --git a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
index 4c9acb8d4c4c..70f6c62aedca 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,cs35l45.yaml
@@ -25,6 +25,9 @@ properties:
   reg:
     maxItems: 1
 
+  interrupts:
+    maxItems: 1
+
   '#sound-dai-cells':
     const: 1