1 files changed, 29 insertions, 0 deletions

diff --git a/meta-selftest/recipes-test/ext-dtb/bbb-dtbs-as-ext.bb b/meta-selftest/recipes-test/ext-dtb/bbb-dtbs-as-ext.bb
new file mode 100644
index 0000000000..5055d03e54
--- /dev/null
+++ b/meta-selftest/recipes-test/ext-dtb/bbb-dtbs-as-ext.bb
@@ -0,0 +1,29 @@
+SUMMARY = "Boeaglebone Devicetrees"
+DESCRIPTION = "Handle the dtc files of the beaglebone-yocto via devicetree.bbclass just for testing purpose"
+SECTION = "kernel"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+inherit devicetree
+
+COMPATIBLE_MACHINE  = "^(beaglebone-yocto)$"
+
+# Take a copy of a small devicetree from the kernel's source directory for handling it externally
+# Borrowed an example DTB overlay from
+# https://raw.githubusercontent.com/beagleboard/linux/refs/heads/5.10/arch/arm/boot/dts/overlays/BBORG_RELAY-00A2.dts
+SRC_URI = "\
+    file://am335x-bonegreen-ext.dts \
+    file://BBORG_RELAY-00A2.dts \
+"
+
+# The am335x-bonegreen-ext.dts needs also the ti directories
+DT_INCLUDE:append = " ${STAGING_KERNEL_DIR}/arch/${ARCH}/boot/dts/ti/omap"
+
+# Sym-links are handled as extra configuration nodes in FIT images.
+do_install:append() {
+    ln -sf am335x-bonegreen-ext.dtb "${D}/boot/devicetree/am335x-bonegreen-ext-alias.dtb"
+}
+
+do_deploy:append() {
+    ln -sf am335x-bonegreen-ext.dtb "${DEPLOYDIR}/devicetree/am335x-bonegreen-ext-alias.dtb"
+}