diff --git a/arch/arm64/boot/dts/rockchip/rk3368-tb.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-tb.dtsi
index 018a31b21539..4fbd96689952 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368-tb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368-tb.dtsi
@@ -175,6 +175,20 @@
 	status = "okay";
 };
 
+&sdmmc {
+	clock-frequency = <37500000>;
+	clock-freq-min-max = <400000 37500000>;
+	supports-sd;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <200>;
+	disable-wp;
+	num-slots = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>;
+	status = "disabled";
+};
+
 &i2c0 {
 	status = "okay";