diff --git a/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator.yaml b/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator.yaml
index 41678400e63f..6c23f18a32c6 100644
--- a/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/raspberrypi,7inch-touchscreen-panel-regulator.yaml
@@ -24,6 +24,11 @@ properties:
   reg:
     maxItems: 1
 
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
 additionalProperties: false
 
 required: