diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index cece5a0cb623..79bec4abb57d 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -197,6 +197,7 @@ nuvoton	Nuvoton Technology Corporation
 nvidia	NVIDIA
 nxp	NXP Semiconductors
 okaya	Okaya Electric America, Inc.
+oki	Oki Electric Industry Co., Ltd.
 olimex	OLIMEX Ltd.
 onion	Onion Corporation
 onnn	ON Semiconductor Corp.