diff --git a/linux/br2-external-tree/Config.in b/linux/br2-external-tree/Config.in
new file mode 100644
index 000000000..6e3475255
--- /dev/null
+++ b/linux/br2-external-tree/Config.in
@@ -0,0 +1,2 @@
+# required for buildroot external tree
+# delibarately empty
diff --git a/linux/buildroot-config-src/wally/busybox.config b/linux/br2-external-tree/board/wally/busybox.config
similarity index 100%
rename from linux/buildroot-config-src/wally/busybox.config
rename to linux/br2-external-tree/board/wally/busybox.config
diff --git a/linux/buildroot-config-src/wally/linux.config b/linux/br2-external-tree/board/wally/linux.config
similarity index 100%
rename from linux/buildroot-config-src/wally/linux.config
rename to linux/br2-external-tree/board/wally/linux.config
diff --git a/linux/buildroot-config-src/wally/rootfs_overlay/.profile b/linux/br2-external-tree/board/wally/rootfs_overlay/.profile
similarity index 100%
rename from linux/buildroot-config-src/wally/rootfs_overlay/.profile
rename to linux/br2-external-tree/board/wally/rootfs_overlay/.profile
diff --git a/linux/buildroot-config-src/wally/rootfs_overlay/etc/inittab b/linux/br2-external-tree/board/wally/rootfs_overlay/etc/inittab
similarity index 100%
rename from linux/buildroot-config-src/wally/rootfs_overlay/etc/inittab
rename to linux/br2-external-tree/board/wally/rootfs_overlay/etc/inittab
diff --git a/linux/buildroot-config-src/wally/wally_defconfig b/linux/br2-external-tree/configs/wally_defconfig
similarity index 100%
rename from linux/buildroot-config-src/wally/wally_defconfig
rename to linux/br2-external-tree/configs/wally_defconfig
diff --git a/linux/br2-external-tree/external.desc b/linux/br2-external-tree/external.desc
new file mode 100644
index 000000000..f9a89b5c7
--- /dev/null
+++ b/linux/br2-external-tree/external.desc
@@ -0,0 +1,2 @@
+name: WALLY
+desc: Buildroot configuration for wally
diff --git a/linux/br2-external-tree/external.mk b/linux/br2-external-tree/external.mk
new file mode 100644
index 000000000..6e3475255
--- /dev/null
+++ b/linux/br2-external-tree/external.mk
@@ -0,0 +1,2 @@
+# required for buildroot external tree
+# delibarately empty