diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index dfebf425ca49cf04c8f729112c37f743342eb52a..fe68e22efce03795ec55cfde3b549cdd65b664eb 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -38,6 +38,8 @@ properties:
               - rockchip,rk3399-grf
               - rockchip,rk3399-pmugrf
               - rockchip,rk3568-grf
+              - rockchip,rk3568-pipe-grf
+              - rockchip,rk3568-pipe-phy-grf
               - rockchip,rk3568-pmugrf
               - rockchip,rv1108-grf
               - rockchip,rv1108-pmugrf