Index: ./sys/dts/arm/overlays/spigen-rpi-b.dtso
===================================================================
--- ./sys/dts/arm/overlays/spigen-rpi-b.dtso
+++ ./sys/dts/arm/overlays/spigen-rpi-b.dtso
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2835";
+};
+
+&{/soc/spi@7e204000} {
+	status = "okay";
+
+	spigen1: spigen1 {
+		compatible = "freebsd,spigen";
+		reg = <1>;
+		status = "okay";
+	};
+	spigen0: spigen0 {
+		compatible = "freebsd,spigen";
+		reg = <0>;
+		status = "okay";
+	};
+};
+
+&{/soc/gpio@7e200000/spi0_cs_pins} {
+	brcm,pins = <8 7>;
+	brcm,function = <4>; /* ALT0 */
+};
+
Index: ./sys/dts/arm/overlays/spigen-rpi2.dtso
===================================================================
--- ./sys/dts/arm/overlays/spigen-rpi2.dtso
+++ ./sys/dts/arm/overlays/spigen-rpi2.dtso
@@ -0,0 +1,35 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2836";
+};
+	
+&{/soc/spi@7e204000} {
+	status = "okay";
+	spigen2: spigen2 {
+		compatible = "freebsd,spigen";
+		reg = <2>; // to invert clock polarity, add property spi-cs-high
+		status = "okay";
+	};
+	spigen1: spigen1 {
+		compatible = "freebsd,spigen";
+		reg = <1>;
+		status = "okay";
+	};
+	spigen0: spigen0 {
+		compatible = "freebsd,spigen";
+		reg = <0>;
+		status = "okay";
+	};
+};
+
+&{/soc/gpio@7e200000/spi0_cs_pins} {
+	brcm,pins = <8 7 16>;
+	brcm,function = <4>; /* ALT0 */
+};
+
+&{/soc/gpio@7e200000/spi0_gpio7} {
+	brcm,pins = <7 8 16 9 10 11>;
+};
+
Index: ./sys/modules/dtb/rpi/Makefile
===================================================================
--- ./sys/modules/dtb/rpi/Makefile
+++ ./sys/modules/dtb/rpi/Makefile
@@ -2,6 +2,9 @@
 # DTS files for the Raspberry Pi-B
 DTS=rpi.dts rpi2.dts
 
+DTSO=   spigen-rpi-b.dtso \
+	spigen-rpi2.dtso
+
 LINKS= \
 	${DTBDIR}/rpi.dtb ${DTBDIR}/bcm2835-rpi-b.dtb \
 	${DTBDIR}/rpi.dtb ${DTBDIR}/bcm2835-rpi-b-rev2.dtb \