diff --git a/arch/arm64/boot/dts/rockchip/rk3576-ebook-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-ebook-v10.dts
index 5c12288546a5..48f08770f541 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-ebook-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-ebook-v10.dts
@@ -510,7 +510,7 @@
 			compatible = "fp9931-regulator";
 			fp9931_vcom: vcom {
 				regulator-name = "vcom";
-				regulator-min-microvolt = <0>;
+				regulator-min-microvolt = <19608>; /* (1/255)V */
 				regulator-max-microvolt = <5000000>;
 				regulator-boot-on;
 				regulator-state-mem {