diff --git a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
index 535387912d9b..054d0357c139 100644
--- a/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun55i-t527-avaota-a1.dts
@@ -354,6 +354,14 @@ &r_pio {
 	vcc-pm-supply = <&reg_aldo3>;
 };
 
+&rtc {
+	clocks = <&r_ccu CLK_BUS_R_RTC>, <&osc24M>,
+		 <&r_ccu CLK_R_AHB>, <&ext_osc32k>;
+	clock-names = "bus", "hosc", "ahb", "ext-osc32k";
+	assigned-clocks = <&rtc CLK_OSC32K>;
+	assigned-clock-rates = <32768>;
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pb_pins>;