diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
index 978afaa4fcef..fe1fa217d842 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/sitronix,st1232.yaml
@@ -32,6 +32,9 @@ properties:
     description: A phandle to the reset GPIO
     maxItems: 1
 
+  wakeup-source:
+    type: boolean
+
 required:
   - compatible
   - reg
@@ -51,6 +54,7 @@ examples:
                     reg = <0x55>;
                     interrupts = <2 0>;
                     gpios = <&gpio1 166 0>;
+                    wakeup-source;
 
                     touch-overlay {
                             segment-0 {