diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 31897f127b47..8db0ab3b2012 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -67,6 +67,8 @@ patternProperties:
     description: AlphaScale Integrated Circuits Systems, Inc.
   "^alps,.*":
     description: Alps Electric Co., Ltd.
+  "^alt,.*":
+    description: Altus-Escon-Company BV
   "^altr,.*":
     description: Altera Corp.
   "^amarula,.*":