diff --git a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
index 63eea27293fe..67e7801bd489 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
@@ -269,7 +269,7 @@ rk809: pmic@20 {
 		vcc9-supply = <&vcc3v3_sys>;
 
 		codec {
-			mic-in-differential;
+			rockchip,mic-in-differential;
 		};
 
 		regulators {