diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index d297de1c2b4763517f0b8b93e23e5176eba4cb8c..9fff11c03f2e45da2e858f6481c91487ae8e73df 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -7,6 +7,7 @@ abilis	Abilis Systems
 active-semi	Active-Semi International Inc
 ad	Avionic Design GmbH
 adapteva	Adapteva, Inc.
+adh	AD Holdings Plc.
 adi	Analog Devices, Inc.
 aeroflexgaisler	Aeroflex Gaisler AB
 allwinner	Allwinner Technology Co., Ltd.