diff --git a/arch/arm64/boot/dts/rockchip/rk3308k.dtsi b/arch/arm64/boot/dts/rockchip/rk3308k.dtsi
index 0a7a6396537e..9b41bcb4f2eb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308k.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308k.dtsi
@@ -13,6 +13,16 @@
 	};
 };
 
+&rockchip_suspend {
+	rockchip,sleep-mode-config = <
+		(0
+		| RKPM_PMU_HW_PLLS_PD
+		| RKPM_DBG_FSM_SOUT
+		| RKPM_PWM_VOLTAGE_DEFAULT
+		)
+	>;
+};
+
 &thermal_zones {
 	soc-thermal {
 		sustainable-power = <308>;