diff --git a/Bindings/gpio/gpio-vf610.yaml b/Bindings/gpio/gpio-vf610.yaml
index a27f929..cabda2e 100644
--- a/Bindings/gpio/gpio-vf610.yaml
+++ b/Bindings/gpio/gpio-vf610.yaml
@@ -51,6 +51,10 @@
 
   gpio-controller: true
 
+  gpio-line-names:
+    minItems: 1
+    maxItems: 32
+
   clocks:
     items:
       - description: SoC GPIO clock