diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index ba5bd3b0ed9ab0e43a3034ed38553c586ec3b4fc..53cd050668e676364052609ef435a4a62550356c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -23,6 +23,8 @@ patternProperties:
   "^(simple-audio-card|simple-graph-card|st-plgpio|st-spics|ts),.*": true
 
   # Keep list in alphabetical order.
+  "^70mai,.*":
+    description: 70mai Co., Ltd.
   "^abilis,.*":
     description: Abilis Systems
   "^abracon,.*":