diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 86f6a19b28ae..e9f534c21bf5 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1607,6 +1607,8 @@ patternProperties:
     description: Universal Scientific Industrial Co., Ltd.
   "^usr,.*":
     description: U.S. Robotics Corporation
+  "^ultratronik,.*":
+    description: Ultratronik GmbH
   "^utoo,.*":
     description: Aigo Digital Technology Co., Ltd.
   "^v3,.*":