diff --git a/package/boot/uboot-rockchip/src/configs/easepi-rk3588_defconfig b/package/boot/uboot-rockchip/src/configs/easepi-rk3588_defconfig
index 6a4893bffc..fa54c635d5 100644
--- a/package/boot/uboot-rockchip/src/configs/easepi-rk3588_defconfig
+++ b/package/boot/uboot-rockchip/src/configs/easepi-rk3588_defconfig
@@ -30,6 +30,7 @@ CONFIG_CMD_GPT=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
 # CONFIG_SPL_DOS_PARTITION is not set
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIVE=y
diff --git a/package/boot/uboot-rockchip/src/dts/upstream/src/arm64/rockchip/rk3588-easepi.dts b/package/boot/uboot-rockchip/src/dts/upstream/src/arm64/rockchip/rk3588-easepi.dts
index 889874180a..4738fb87d0 100644
--- a/package/boot/uboot-rockchip/src/dts/upstream/src/arm64/rockchip/rk3588-easepi.dts
+++ b/package/boot/uboot-rockchip/src/dts/upstream/src/arm64/rockchip/rk3588-easepi.dts
@@ -19,6 +19,15 @@
 	chosen {
 		stdout-path = "serial2:1500000n8";
 	};
+
+	dummy_1v8: vcc-dummy-1v8-regulator {
+		compatible = "regulator-fixed";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-name = "dummy_1v8";
+	};
 };
 
 &gmac1 {
@@ -56,6 +65,7 @@
 };
 
 &saradc {
+	vref-supply = <&dummy_1v8>;
 	status = "okay";
 };