diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
index 73bb153ed241..ebfff9e42a36 100644
--- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
+++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
@@ -68,6 +68,8 @@ properties:
       Drive inactive columns during scan,
       default is to turn inactive columns into inputs.
 
+  wakeup-source: true
+
 required:
   - compatible
   - row-gpios
@@ -96,4 +98,6 @@ examples:
                         0x0001006A
                         0x0101001C
                         0x0201006C>;
+
+        wakeup-source;
     };