diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
index 39ac83d743fe..bbe94bd69b82 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts
@@ -78,6 +78,7 @@
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 		enable-active-low;
+		regulator-boot-on;	// The legacy U-Boot GPIO driver needs this to set correct SDMMC0_PWREN value
 		vin-supply = <&vcc12v_dcin>;
 	};