diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 86740d4a270d39c8d3fd3c97f16faeb96a2960ce..ad0f4e332c647d7f167adb172a219275957264c8 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -172,6 +172,7 @@ nxp	NXP Semiconductors
 okaya	Okaya Electric America, Inc.
 olimex	OLIMEX Ltd.
 onnn	ON Semiconductor Corp.
+ontat	On Tat Industrial Company
 opencores	OpenCores.org
 option	Option NV
 ortustech	Ortus Technology Co., Ltd.