diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index ea1a7a1491f5..d1943241334e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1792,6 +1792,11 @@
 				rockchip,pins =
 					<4 21 RK_FUNC_1 &pcfg_pull_none>;
 			};
+
+			spdif_bus_1: spdif-bus-1 {
+				rockchip,pins =
+					<3 16 RK_FUNC_3 &pcfg_pull_none>;
+			};
 		};
 
 		spi0 {