diff --git a/arch/arm/boot/dts/rk3036-echo.dts b/arch/arm/boot/dts/rk3036-echo.dts
index 140c93c6c444..a072eacf78b7 100644
--- a/arch/arm/boot/dts/rk3036-echo.dts
+++ b/arch/arm/boot/dts/rk3036-echo.dts
@@ -645,6 +645,10 @@
 
 &i2s {
 	#sound-dai-cells = <0>;
+	pinctrl-0 = <&i2s_sclk
+		     &i2s_lrclktx
+		     &i2s_sdo
+		     &i2s_sdi>;
 	status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts
index 41480890bb6a..a4ed6b0ff158 100644
--- a/arch/arm/boot/dts/rk3036-kylin.dts
+++ b/arch/arm/boot/dts/rk3036-kylin.dts
@@ -374,6 +374,10 @@
 
 &i2s {
 	status = "okay";
+	pinctrl-0 = <&i2s_sclk
+		     &i2s_lrclktx
+		     &i2s_sdo
+		     &i2s_sdi>;
 };
 
 &mpp_srv {