diff --git a/sys/dts/arm64/overlays/rk3328-uart1.dtso b/sys/dts/arm64/overlays/rk3328-uart1.dtso
new file mode 100644
index 000000000000..96ae37e363fe
--- /dev/null
+++ b/sys/dts/arm64/overlays/rk3328-uart1.dtso
@@ -0,0 +1,12 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "rockchip,rk3328";
+};
+
+&{/serial@ff120000} {
+	status = "okay";
+};
+
+/* vim: set ft=dts: */
diff --git a/sys/modules/dtb/rockchip/Makefile b/sys/modules/dtb/rockchip/Makefile
index b0d3b977a347..1e0c6a2d4362 100644
--- a/sys/modules/dtb/rockchip/Makefile
+++ b/sys/modules/dtb/rockchip/Makefile
@@ -1,30 +1,31 @@
 # $FreeBSD$
 # All the dts files for rockchip systems we support.
 
 .if ${MACHINE_ARCH} == "armv7"
 DTS=	\
 	rk3288-tinker.dts		\
 	rk3288-tinker-s.dts
 .elif ${MACHINE_ARCH} == "aarch64"
 DTS=	\
 	rockchip/rk3399-khadas-edge-captain.dts \
 	rockchip/rk3399-khadas-edge.dts \
 	rockchip/rk3399-khadas-edge-v.dts \
 	rockchip/rk3399-nanopc-t4.dts \
 	rockchip/rk3328-nanopi-r2s.dts \
 	rockchip/rk3399-nanopi-r4s.dts \
 	rockchip/rk3399-rock-pi-4.dts \
 	rockchip/rk3328-rock-pi-e.dts \
 	rockchip/rk3328-rock64.dts \
 	rockchip/rk3399-firefly.dts \
 	rockchip/rk3399-rockpro64.dts
 
 DTSO=	rk3328-analog-sound.dtso \
 	rk3328-i2c0.dtso \
+	rk3328-uart1.dtso \
 	rk3328-dwc3.dtso \
 	rk3399-mmc0-disable.dtso \
 	rk3399-mmc1-disable.dtso \
 	rk3399-sdhci-disable.dtso
 .endif
 
 .include <bsd.dtb.mk>