diff --git a/meta-raspberrypi/conf/machine/include/rpi-base.inc b/meta-raspberrypi/conf/machine/include/rpi-base.inc
index d76495a..2af1588 100644
--- a/meta-raspberrypi/conf/machine/include/rpi-base.inc
+++ b/meta-raspberrypi/conf/machine/include/rpi-base.inc
@@ -14,16 +14,7 @@
     ${@bb.utils.contains("MACHINE_FEATURES", "vc4graphics", "xf86-video-modesetting", "xf86-video-fbdev", d)} \
     "
 
-KERNEL_DEVICETREE ?= " \
-    bcm2708-rpi-0-w.dtb \
-    bcm2708-rpi-b.dtb \
-    bcm2708-rpi-b-plus.dtb \
-    bcm2709-rpi-2-b.dtb \
-    bcm2710-rpi-3-b.dtb \
-    bcm2710-rpi-3-b-plus.dtb \
-    bcm2708-rpi-cm.dtb \
-    bcm2710-rpi-cm3.dtb \
-    \
+RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
     overlays/dwc2.dtbo \
     overlays/hifiberry-amp.dtbo \
     overlays/hifiberry-dac.dtbo \
@@ -43,6 +34,23 @@
     overlays/pi3-disable-bt.dtbo \
     overlays/pi3-miniuart-bt.dtbo \
     overlays/vc4-kms-v3d.dtbo \
+    overlays/at86rf233.dtbo \
+    "
+
+RPI_KERNEL_DEVICETREE ?= " \
+    bcm2708-rpi-0-w.dtb \
+    bcm2708-rpi-b.dtb \
+    bcm2708-rpi-b-plus.dtb \
+    bcm2709-rpi-2-b.dtb \
+    bcm2710-rpi-3-b.dtb \
+    bcm2710-rpi-3-b-plus.dtb \
+    bcm2708-rpi-cm.dtb \
+    bcm2710-rpi-cm3.dtb \
+    "
+
+KERNEL_DEVICETREE ?= " \
+    ${RPI_KERNEL_DEVICETREE} \
+    ${RPI_KERNEL_DEVICETREE_OVERLAYS} \
     "
 
 # By default:
diff --git a/meta-raspberrypi/conf/machine/raspberrypi3-64.conf b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
index 5163320..fb21b12 100644
--- a/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
+++ b/meta-raspberrypi/conf/machine/raspberrypi3-64.conf
@@ -14,30 +14,10 @@
 require conf/machine/include/arm/arch-armv8.inc
 include conf/machine/include/rpi-base.inc
 
-KERNEL_DEVICETREE = " \
+RPI_KERNEL_DEVICETREE = " \
     broadcom/bcm2710-rpi-3-b.dtb \
     broadcom/bcm2710-rpi-3-b-plus.dtb \
     broadcom/bcm2837-rpi-3-b.dtb \
-    \
-    overlays/hifiberry-amp.dtbo \
-    overlays/hifiberry-dac.dtbo \
-    overlays/hifiberry-dacplus.dtbo \
-    overlays/hifiberry-digi.dtbo \
-    overlays/i2c-rtc.dtbo \
-    overlays/iqaudio-dac.dtbo \
-    overlays/iqaudio-dacplus.dtbo \
-    overlays/lirc-rpi.dtbo \
-    overlays/pitft22.dtbo \
-    overlays/pitft28-resistive.dtbo \
-    overlays/pitft35-resistive.dtbo \
-    overlays/pps-gpio.dtbo \
-    overlays/rpi-ft5406.dtbo \
-    overlays/w1-gpio.dtbo \
-    overlays/w1-gpio-pullup.dtbo \
-    overlays/pi3-disable-bt.dtbo \
-    overlays/pi3-miniuart-bt.dtbo \
-    overlays/vc4-kms-v3d.dtbo \
-    overlays/vc4-fkms-v3d.dtbo \
     "
 
 SERIAL_CONSOLE ?= "115200 ttyS0"