diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index 7eca9e1ad6a3..61f38b68a4a3 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -23,6 +23,7 @@ properties:
               - rockchip,rk3576-bigcore-grf
               - rockchip,rk3576-cci-grf
               - rockchip,rk3576-gpu-grf
+              - rockchip,rk3576-hdptxphy-grf
               - rockchip,rk3576-litcore-grf
               - rockchip,rk3576-npu-grf
               - rockchip,rk3576-php-grf