diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 8103154bbb529ef5ab2dd848ebaf6685601e5cc9..089ad6bf58c5b7b946e1b7ec9313c48e3dbb2045 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -61,6 +61,7 @@ properties:
               - rockchip,px30-qos
               - rockchip,rk3036-qos
               - rockchip,rk3066-qos
+              - rockchip,rk3128-qos
               - rockchip,rk3228-qos
               - rockchip,rk3288-qos
               - rockchip,rk3368-qos