diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
index ac750025a2eb..ec8108483b49 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -224,6 +224,12 @@ properties:
           - const: empire-electronix,m712
           - const: allwinner,sun5i-a13
 
+      - description: Forlinx OKA40i-C Development board
+        items:
+          - const: forlinx,oka40i-c
+          - const: forlinx,feta40i-c
+          - const: allwinner,sun8i-r40
+
       - description: FriendlyARM NanoPi A64
         items:
           - const: friendlyarm,nanopi-a64