diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
index e928916220ce..068ed7b2e038 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi
@@ -49,6 +49,24 @@
 		default-brightness-level = <200>;
 	};
 
+	pdm_codec: dummy-codec {
+		status = "okay";
+		compatible = "rockchip,dummy-codec";
+		#sound-dai-cells = <0>;
+	};
+
+	pdm_mic_array: pdm-mic-array {
+		status = "disabled";
+		compatible = "simple-audio-card";
+		simple-audio-card,name = "rockchip,pdm-mic-array";
+		simple-audio-card,cpu {
+			sound-dai = <&pdm>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&pdm_codec>;
+		};
+	};
+
 	vcc12v_dcin: vcc12v-dcin {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc12v_dcin";