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-rw-r--r--morphlib/exts/rawdisk.write.help5
1 files changed, 5 insertions, 0 deletions
diff --git a/morphlib/exts/rawdisk.write.help b/morphlib/exts/rawdisk.write.help
index 81f35024..fe47c890 100644
--- a/morphlib/exts/rawdisk.write.help
+++ b/morphlib/exts/rawdisk.write.help
@@ -34,5 +34,10 @@ help: |
* INITRAMFS_PATH=path: the location of an initramfs for the bootloader to
tell Linux to use, rather than booting the rootfs directly.
+ * DTB_PATH=path: **(MANDATORY)** for systems that require a device tree
+ binary - Give the full path (without a leading /) to the location of the
+ DTB in the built system image . The deployment will fail if `path` does
+ not exist.
+
(See `morph help deploy` for details of how to pass parameters to write
extensions)