diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w6.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w6.dts
index fbb76c57e35d..15172af862f5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w6.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-eink-w6.dts
@@ -515,6 +515,7 @@
 			monitor_sec = <5>;
 			sample_res = <10>;
 			virtual_power = <0>;
+			low_power_sleep = <1>;
 		};
 
 		charger {