diff --git a/arch/arm64/boot/dts/rockchip/rk3576.dtsi b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
index 714307505d07..6fa22fa94092 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3576.dtsi
@@ -1224,6 +1224,7 @@
 			| RKPM_SLP_PMU_PMUALIVE_32K
 			| RKPM_SLP_PMU_DIS_OSC
 			| RKPM_SLP_PMIC_LP
+			| RKPM_SLP_32K_EXT
 			)
 		>;
 		rockchip,wakeup-config = <