diff --git a/sys/dts/arm64/overlays/spigen-rpi4.dtso b/sys/dts/arm64/overlays/spigen-rpi4.dtso
new file mode 100644
index 00000000000..7b5ed66edb3
--- /dev/null
+++ b/sys/dts/arm64/overlays/spigen-rpi4.dtso
@@ -0,0 +1,30 @@
+/* $FreeBSD$ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2711";
+};
+	
+&{/soc/spi@7e204000} {
+	status = "okay";
+	spigen0: spigen0 {
+		compatible = "freebsd,spigen";
+		reg = <0>;
+		spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
+		status = "okay";
+	};
+	spigen1: spigen1 {
+		compatible = "freebsd,spigen";
+		reg = <1>;
+		spi-max-frequency = <500000>; /* Req'd property, override with spi(8) */
+		status = "okay";
+	};
+};
+
+&{/soc/gpio@7e200000/spi0_cs_pins} {
+	brcm,pins = <8 7>;
+	brcm,function = <4>; /* ALT0 */
+};
+
diff --git a/sys/modules/dtb/rpi/Makefile b/sys/modules/dtb/rpi/Makefile
index 69252804707..482f8d5f30a 100644
--- a/sys/modules/dtb/rpi/Makefile
+++ b/sys/modules/dtb/rpi/Makefile
@@ -6,7 +6,8 @@ DTSO=	\
 	spigen-rpi2.dtso
 .elif ${MACHINE_ARCH} == "aarch64"
 DTSO=	\
-	spigen-rpi3.dtso
+	spigen-rpi3.dtso \
+	spigen-rpi4.dtso
 .endif
 
 .include <bsd.dtb.mk>