diff --git a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
index a48cb00afe43..ca17fbdea691 100644
--- a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
+++ b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml
@@ -41,6 +41,7 @@ properties:
   system-power-controller: true
 
   gpio-controller: true
+  gpio-line-names: true
 
   '#gpio-cells':
     const: 2