diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
index d0a24bf928d6..afd390c101e3 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
@@ -24,6 +24,7 @@ properties:
       - const: rockchip,rk3368-spdif
       - const: rockchip,rk3399-spdif
       - const: rockchip,rk3568-spdif
+      - const: rockchip,rk3588-spdif
       - items:
           - enum:
               - rockchip,rk3188-spdif