diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 6e323a380294..b11b19c14669 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -567,6 +567,8 @@ patternProperties:
     description: Hycon Technology Corp.
   "^hydis,.*":
     description: Hydis Technologies
+  "^hynitron,.*":
+    description: Shanghai Hynitron Microelectronics Co. Ltd.
   "^hynix,.*":
     description: SK Hynix Inc.
   "^hyundai,.*":