diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 5706c3e24f0a090e8003496c519bd27d5aad1c20..e319699f5e3908bd65431a4bf606e8bffbecf0b3 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -422,8 +422,9 @@
 		clock-names = "xin24m";
 		#clock-cells = <1>;
 		#reset-cells = <1>;
-		assigned-clocks = <&cru PLL_GPLL>, <&pmucru PLL_PPLL>;
-		assigned-clock-rates = <1200000000>, <200000000>;
+		assigned-clocks = <&pmucru CLK_RTC_32K>, <&cru PLL_GPLL>, <&pmucru PLL_PPLL>;
+		assigned-clock-rates = <32768>, <1200000000>, <200000000>;
+		assigned-clock-parents = <&pmucru CLK_RTC32K_FRAC>;
 		rockchip,grf = <&grf>;
 	};