diff --git a/Documentation/devicetree/bindings/sound/rockchip,codec-digital.txt b/Documentation/devicetree/bindings/sound/rockchip,codec-digital.txt
index 05812e688131..2a9c048bf3b9 100644
--- a/Documentation/devicetree/bindings/sound/rockchip,codec-digital.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip,codec-digital.txt
@@ -5,6 +5,7 @@ Required properties:
 - compatible: should be one of the following
    - "rockchip,codec-digital-v1"
    - "rockchip,rk3568-codec-digital"
+   - "rockchip,rk3588-codec-digital"
    - "rockchip,rv1126-codec-digital"
 - reg: physical base address of the controller and length of memory mapped
   region.