diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-gtking-pro.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-gtking-pro.dts
index f0c56a16af3d..0e5c500fb78f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-gtking-pro.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-gtking-pro.dts
@@ -14,6 +14,11 @@ / {
 	compatible = "azw,gtking", "amlogic,g12b";
 	model = "Beelink GT-King Pro";
 
+	aliases {
+		rtc0 = &rtc;
+		rtc1 = &vrtc;
+	};
+
 	gpio-keys-polled {
 		compatible = "gpio-keys-polled";
 		#address-cells = <1>;
@@ -112,6 +117,18 @@ &frddr_c {
 	status = "okay";
 };
 
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+	pinctrl-names = "default";
+
+	rtc: rtc@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+		wakeup-source;
+	};
+};
+
 &tdmif_b {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts
index eeb7bc5539ef..10b87eb97b14 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-gtking.dts
@@ -14,6 +14,11 @@ / {
 	compatible = "azw,gtking", "amlogic,g12b";
 	model = "Beelink GT-King";
 
+	aliases {
+		rtc0 = &rtc;
+		rtc1 = &vrtc;
+	};
+
 	spdif_dit: audio-codec-1 {
 		#sound-dai-cells = <0>;
 		compatible = "linux,spdif-dit";
@@ -122,6 +127,19 @@ &frddr_c {
 	status = "okay";
 };
 
+
+&i2c3 {
+	status = "okay";
+	pinctrl-0 = <&i2c3_sda_a_pins>, <&i2c3_sck_a_pins>;
+	pinctrl-names = "default";
+
+	rtc: rtc@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+		wakeup-source;
+	};
+};
+
 &spdifout {
 	pinctrl-0 = <&spdif_out_h_pins>;
 	pinctrl-names = "default";