diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 2e302fecc9c1..b40c08aa39cb 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -890,6 +890,8 @@ patternProperties:
     description: Rikomagic Tech Corp. Ltd
   "^riscv,.*":
     description: RISC-V Foundation
+  "^riot,.*":
+    description: Embest RIoT
   "^rockchip,.*":
     description: Fuzhou Rockchip Electronics Co., Ltd
   "^rocktech,.*":