diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index 1bbbaf81134b..e04c213a0dee 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -799,6 +799,11 @@ properties:
           - const: radxa,rock3a
           - const: rockchip,rk3568
 
+      - description: Radxa ROCK 3C
+        items:
+          - const: radxa,rock-3c
+          - const: rockchip,rk3566
+
       - description: Radxa ROCK 5A
         items:
           - const: radxa,rock-5a