diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead,gsl1680.yaml b/Documentation/devicetree/bindings/input/touchscreen/silead,gsl1680.yaml
index 95b554be25b4..5381a96f4949 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/silead,gsl1680.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/silead,gsl1680.yaml
@@ -31,7 +31,7 @@ properties:
     maxItems: 1
 
   firmware-name:
-    $ref: /schemas/types.yaml#/definitions/string
+    maxItems: 1
     description: >
       File basename for board specific firmware