diff --git a/Bindings/remoteproc/qcom,sm6115-pas.yaml b/Bindings/remoteproc/qcom,sm6115-pas.yaml
index 0282872..758adb0 100644
--- a/Bindings/remoteproc/qcom,sm6115-pas.yaml
+++ b/Bindings/remoteproc/qcom,sm6115-pas.yaml
@@ -47,7 +47,7 @@
   smd-edge: false
 
   firmware-name:
-    $ref: /schemas/types.yaml#/definitions/string
+    maxItems: 1
     description: Firmware name for the Hexagon core
 
 required: