diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 8f36b87831a04a62098b5e407446a9280e09ee5e..ae09487506f92faeafa07c8e656d4297e5451af3 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -342,6 +342,7 @@ tpo	TPO
 tronfy	Tronfy
 tronsmart	Tronsmart
 truly	Truly Semiconductors Limited
+tsd	Theobroma Systems Design und Consulting GmbH
 tyan	Tyan Computer Corporation
 ucrobotics	uCRobotics
 udoo	Udoo