diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 57eedced5a51..6b6581c513a8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -15,6 +15,39 @@ aliases {
 		serial0 = &uart_AO;
 		serial1 = &uart_A;
 	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vddao_3v3: regulator-vddao_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	vddio_ao18: regulator-vddio_ao18 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_AO18";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vcc_3v3: regulator-vcc_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
 };
 
 &ethmac {
@@ -47,3 +80,23 @@ &i2c1 {
 	pinctrl-0 = <&i2c1_z_pins>;
 	pinctrl-names = "default";
 };
+
+/* emmc storage */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-sd-highspeed;
+	cap-mmc-highspeed;
+	max-frequency = <180000000>;
+	non-removable;
+	disable-wp;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index d4c5507fff30..a433f0a6ffc0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -7,6 +7,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/axg-clkc.h>
+#include <dt-bindings/gpio/meson-axg-gpio.h>
 
 / {
 	compatible = "amlogic,meson-axg";
@@ -113,6 +114,36 @@ soc {
 		#size-cells = <2>;
 		ranges;
 
+		apb: apb@ffe00000 {
+			compatible = "simple-bus";
+			reg = <0x0 0xffe00000 0x0 0x200000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x0 0x0 0x0 0xffe00000 0x0 0x200000>;
+
+			sd_emmc_b: sd@5000 {
+				compatible = "amlogic,meson-axg-mmc";
+				reg = <0x0 0x5000 0x0 0x2000>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+				clocks = <&clkc CLKID_SD_EMMC_B>,
+					<&clkc CLKID_SD_EMMC_B_CLK0>,
+					<&clkc CLKID_FCLK_DIV2>;
+				clock-names = "core", "clkin0", "clkin1";
+			};
+
+			sd_emmc_c: mmc@7000 {
+				compatible = "amlogic,meson-axg-mmc";
+				reg = <0x0 0x7000 0x0 0x2000>;
+				interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
+				status = "disabled";
+				clocks = <&clkc CLKID_SD_EMMC_C>,
+					<&clkc CLKID_SD_EMMC_C_CLK0>,
+					<&clkc CLKID_FCLK_DIV2>;
+				clock-names = "core", "clkin0", "clkin1";
+			};
+		};
+
 		cbus: bus@ffd00000 {
 			compatible = "simple-bus";
 			reg = <0x0 0xffd00000 0x0 0x25000>;
@@ -313,6 +344,57 @@ gpio: bank@480 {
 					gpio-ranges = <&pinctrl_periphs 0 0 86>;
 				};
 
+				emmc_pins: emmc {
+					mux {
+						groups = "emmc_nand_d0",
+							"emmc_nand_d1",
+							"emmc_nand_d2",
+							"emmc_nand_d3",
+							"emmc_nand_d4",
+							"emmc_nand_d5",
+							"emmc_nand_d6",
+							"emmc_nand_d7",
+							"emmc_clk",
+							"emmc_cmd",
+							"emmc_ds";
+						function = "emmc";
+					};
+				};
+
+				emmc_clk_gate_pins: emmc_clk_gate {
+					mux {
+						groups = "BOOT_8";
+						function = "gpio_periphs";
+					};
+					cfg-pull-down {
+						pins = "BOOT_8";
+						bias-pull-down;
+					};
+				};
+
+				sdio_pins: sdio {
+					mux {
+						groups = "sdio_d0",
+							"sdio_d1",
+							"sdio_d2",
+							"sdio_d3",
+							"sdio_cmd",
+							"sdio_clk";
+						function = "sdio";
+					};
+				};
+
+				sdio_clk_gate_pins: sdio_clk_gate {
+					mux {
+						groups = "GPIOX_4";
+						function = "gpio_periphs";
+					};
+					cfg-pull-down {
+						pins = "GPIOX_4";
+						bias-pull-down;
+					};
+				};
+
 				eth_rmii_x_pins: eth-x-rmii {
 					mux {
 						groups = "eth_mdio_x",