diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 451c6f1633359b4c9c1ba1da8db68feb628eeb16..851e2caf9ae007f3bbad4256e4d7fbc4df4a14a4 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -143,6 +143,7 @@ issi	Integrated Silicon Solutions Inc.
 jdi	Japan Display Inc.
 jedec	JEDEC Solid State Technology Association
 karo	Ka-Ro electronics GmbH
+keithkoep	Keith & Koep GmbH
 keymile	Keymile GmbH
 kinetic Kinetic Technologies
 kosagi	Sutajio Ko-Usagi PTE Ltd.