diff --git a/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts b/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
index 6c0c36c3f665..730bedd39116 100644
--- a/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson64_odroidc4.dts
@@ -777,6 +777,27 @@
 	};
 };
 
+&sd_emmc_b {
+	status = "okay";
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	max-frequency = <200000000>;
+	sd {
+		caps = "MMC_CAP_4_BIT_DATA",
+			 "MMC_CAP_MMC_HIGHSPEED",
+			 "MMC_CAP_SD_HIGHSPEED",
+			 "MMC_CAP_UHS_SDR25",
+			 "MMC_CAP_UHS_SDR50",
+			 "MMC_CAP_UHS_SDR104";
+		vol_switch = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
+		gpio_power = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
+		vol_switch_18 = <1>;
+		f_min = <400000>;
+		f_max = <200000000>;
+	};
+};
+
 &sd_emmc_a {
 	status = "okay";
 	sdio {