diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 16d3b5e7f5d1f..62233d1e1d6ee 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -296,6 +296,7 @@ technologic	Technologic Systems
 terasic	Terasic Inc.
 thine	THine Electronics, Inc.
 ti	Texas Instruments
+tianma	Tianma Micro-electronics Co., Ltd.
 tlm	Trusted Logic Mobility
 topeet  Topeet
 toradex	Toradex AG