diff --git a/arch/arm/boot/dts/rv1126-38x38-v10-spi-nor.dts b/arch/arm/boot/dts/rv1126-38x38-v10-spi-nor.dts
index 498d1425d1d5..47f3e2dfd76b 100644
--- a/arch/arm/boot/dts/rv1126-38x38-v10-spi-nor.dts
+++ b/arch/arm/boot/dts/rv1126-38x38-v10-spi-nor.dts
@@ -45,6 +45,18 @@
 		regulator-max-microvolt = <3300000>;
 	};
 
+	vcc_sd: vcc-sd {
+		compatible = "regulator-fixed";
+		gpio = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&sdmmc_pwr>;
+		pinctrl-names = "default";
+		regulator-name = "vcc_sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <100000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
 	vdd_arm: vdd-arm {
 		compatible = "pwm-regulator";
 		pwms = <&pwm0 0 5000 1>;
@@ -176,6 +188,10 @@
 
 };
 
+&isp_reserved {
+	size = <0xd000000>;
+};
+
 &mdio {
 	phy: phy@1 {
 		compatible = "ethernet-phy-ieee802.3-c22";
@@ -187,6 +203,15 @@
 	npu-supply = <&vdd_logic_npu_vepu_fixed>;
 };
 
+&pinctrl {
+	sdmmc-pwr {
+		/omit-if-no-ref/
+		sdmmc_pwr: sdmmc-pwr {
+			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
 &pmu_io_domains {
 	status = "okay";
 
@@ -261,10 +286,17 @@
 	>;
 };
 
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	card-detect-delay = <200>;
+	rockchip,default-sample-phase = <90>;
+	supports-sd;
+	status = "okay";
+	vmmc-supply = <&vcc_sd>;
+};
+
 &sfc {
 	status = "okay";
 };
-
-&isp_reserved {
-	size = <0xd000000>;
-};