diff --git a/arch/arm64/boot/dts/realtek/rtd13xx.dtsi b/arch/arm64/boot/dts/realtek/rtd13xx.dtsi[...]
new file mode 100644
index 000000000000..8c5b6fc7b8eb
--- /dev/null
+++ b/arch/arm64/boot/dts/realtek/rtd13xx.dtsi
+&iso {
+ uart0: serial0@800 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x800 0x400>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <432000000>;
+ status = "disabled";
+ };
+};
+
+&misc {
+ uart1: serial1@200 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x200 0x400>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <432000000>;
+ status = "disabled";
+ };
+
+ uart2: serial2@400 {
+ compatible = "snps,dw-apb-uart";
+ reg = <0x400 0x400>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <432000000>;
+ status = "disabled";
+ };
+};