diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
index 00e256eefada..c4b9832a51c7 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-evb.dtsi
@@ -988,6 +988,11 @@
 	status = "okay";
 };
 
+&rockchip_suspend {
+	status = "okay";
+	rockchip,sleep-debug-en = <1>;
+};
+
 &saradc {
 	status = "okay";
 	vref-supply = <&vcc_1v8_s0>;