diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index ecf722e..460932b2 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -291,3 +291,33 @@
 		};
 	};
 };
+
+&mmc0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4>;
+};
+
+&mmc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer>;
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_xfer>;
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_xfer>;
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart3_xfer>;
+};