diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 46a311e728a86c713274ec1075e1f1fa82d4a472..97c9c06132c487b6243a0ebc7a880f5d76453cf6 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -42,6 +42,7 @@ dmo	Data Modul AG
 ebv	EBV Elektronik
 edt	Emerging Display Technologies
 emmicro	EM Microelectronic
+epcos	EPCOS AG
 epfl	Ecole Polytechnique Fédérale de Lausanne
 epson	Seiko Epson Corp.
 est	ESTeem Wireless Modems