diff --git a/Documentation/devicetree/bindings/input/fsl,scu-key.yaml b/Documentation/devicetree/bindings/input/fsl,scu-key.yaml
index e5a3c355ee1f..29921aab9d97 100644
--- a/Documentation/devicetree/bindings/input/fsl,scu-key.yaml
+++ b/Documentation/devicetree/bindings/input/fsl,scu-key.yaml
@@ -24,6 +24,8 @@ properties:
   linux,keycodes:
     maxItems: 1
 
+  wakeup-source: true
+
 required:
   - compatible
   - linux,keycodes