Adding Custom device tree overlay to JetPack 6.x - Revision history

Nico: /* Adding custom device tree overlay */

2025-11-24T18:05:43Z

Adding custom device tree overlay

← Older revision		Revision as of 18:05, 24 November 2025
Line 58:		Line 58:

	* FDT: specifies the base device tree. On directory '''/boot/dtb/''' you can check which device tree file is being used as base DTB.		* FDT: specifies the base device tree. On directory '''/boot/dtb/''' you can check which device tree file is being used as base DTB.
	* OVERLAY: specifies the overlay to be loaded.		* OVERLAY: specifies the overlay to be loaded. When using this entry, FDT needs to be specified as well. You can not use OVERLAY alone without FDT.


	8. Reboot the board to apply changes.		8. Reboot the board to apply changes.

Nico: /* Adding custom device tree overlay */

2025-11-24T18:03:20Z

Adding custom device tree overlay

← Older revision		Revision as of 18:03, 24 November 2025
Line 39:		Line 39:
	6. If you do not want to load the device tree overlay at boot time, skip step 5 and do this instead. Copy '''your_overlay.dtbo''' to '''Linux_for_Tegra/rootfs/boot/'''.		6. If you do not want to load the device tree overlay at boot time, skip step 5 and do this instead. Copy '''your_overlay.dtbo''' to '''Linux_for_Tegra/rootfs/boot/'''.

	7. After flashing the board the file will be under '''/boot/''' directory. Modify '''extlinux.conf''' file inside '''/boot/extlinux/''' directory and add the following:		7. After flashing the board the file will be under '''/boot/''' directory. Modify '''extlinux.conf''' file inside '''/boot/extlinux/''' directory and add the following entries for '''FDT''' and '''OVERLAY''':

	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
Line 56:		Line 56:

	</syntaxhighlight>		</syntaxhighlight>

			* FDT: specifies the base device tree. On directory '''/boot/dtb/''' you can check which device tree file is being used as base DTB.
			* OVERLAY: specifies the overlay to be loaded.


	8. Reboot the board to apply changes.		8. Reboot the board to apply changes.

Nico: /* Adding custom device tree overlay */

2025-11-24T18:00:42Z

Adding custom device tree overlay

← Older revision		Revision as of 18:00, 24 November 2025
Line 57:		Line 57:
	</syntaxhighlight>		</syntaxhighlight>

	8. Reboot the board so ~~the~~ changes ~~are applied~~.		8. Reboot the board to apply changes.

	= Need Further Support? =		= Need Further Support? =

Nico: /* Adding custom device tree overlay to JetPack 6.X */

2025-11-24T17:58:27Z

Adding custom device tree overlay to JetPack 6.X

← Older revision		Revision as of 17:58, 24 November 2025
Line 58:		Line 58:

	8. Reboot the board so the changes are applied.		8. Reboot the board so the changes are applied.

			= Need Further Support? =

			'''📞 Book Consultation Call:''' [https://proventusnova.com/contact-us/ Show Calendar!]

			'''📩 Contact Via Email:''' [mailto:support@proventusnova.com support@proventusnova.com]

			'''🌐 Visit Our Website:''' [https://proventusnova.com ProventusNova.com]

Nico: /* Adding custom device tree overlay */

2025-11-24T17:56:42Z

Adding custom device tree overlay

← Older revision		Revision as of 17:56, 24 November 2025
Line 35:		Line 35:

	This will load the overlay at boot time.		This will load the overlay at boot time.


			6. If you do not want to load the device tree overlay at boot time, skip step 5 and do this instead. Copy '''your_overlay.dtbo''' to '''Linux_for_Tegra/rootfs/boot/'''.

			7. After flashing the board the file will be under '''/boot/''' directory. Modify '''extlinux.conf''' file inside '''/boot/extlinux/''' directory and add the following:

			<syntaxhighlight lang="bash">
			TIMEOUT 30
			DEFAULT primary

			MENU TITLE L4T boot options

			LABEL primary
			MENU LABEL primary kernel
			LINUX /boot/Image
			INITRD /boot/initrd
			APPEND ${cbootargs}
			FDT /boot/dtb/kernel_tegra234-p3768-0000+p3767-0000-nv.dtb
			OVERLAY /boot/your_overlay.dtbo

			</syntaxhighlight>

			8. Reboot the board so the changes are applied.

Nico: /* Adding custom device tree overlay */

2025-11-24T17:49:09Z

Adding custom device tree overlay

← Older revision		Revision as of 17:49, 24 November 2025
Line 28:		Line 28:
	4. Copy '''your_overlay.dtbo''' to '''Linux_for_Tegra/kernel/dtb'''.		4. Copy '''your_overlay.dtbo''' to '''Linux_for_Tegra/kernel/dtb'''.

	5. Add '''your_overlay.dtbo''' to the machine conf used for flashing. For example, for NVIDIA Jetson Orin Nano developer kit we modify file:		5. Add '''your_overlay.dtbo''' to the machine conf used for flashing. For example, for NVIDIA Jetson Orin Nano developer kit we modify file '''jetson-orin-nano-devkit.conf''' and add our overlay to variable '''OVERLAY_DTB_FILE'''

	<syntaxhighlight lang="bash">		<syntaxhighlight lang="bash">
			OVERLAY_DTB_FILE+=",tegra234-p3768-0000+p3767-0000-dynamic.dtbo,your_overlay.dtbo";

	</syntaxhighlight>		</syntaxhighlight>

			This will load the overlay at boot time.

Nico: /* Adding custom device tree overlay */

2025-11-24T17:42:56Z

Adding custom device tree overlay

@@ Line 11: / Line 11: @@
 . In order to build this file, add the following to the Makefile inside the same directory.
-<syntaxhighlight lang="c++">
+<syntaxhighlight lang="bash">
 </syntaxhighlight>

Nico: /* Adding custom device tree overlay */

2025-11-24T17:31:19Z

Adding custom device tree overlay

← Older revision		Revision as of 17:31, 24 November 2025
Line 6:		Line 6:
	== Adding custom device tree overlay ==		== Adding custom device tree overlay ==

			Take '''your_overlay.dts''' as the custom device tree overlay file to be added.
⚫	In Jetpack 6.X device tree overlays live in directory: ~~*~~hardware/nvidia/t23x/nv-public/overlay/~~*~~.

		⚫	1. In Jetpack 6.X device tree overlays live in directory: '''hardware/nvidia/t23x/nv-public/overlay/'''. Add '''your_overlay.dts''' device tree overlay file to this directory.

			2. In order to build this file, add the following to the Makefile inside the same directory.
			<syntaxhighlight lang="c++">
			INSTALL_DIR = build
			mkdir $INSTALL_DIR
			cd $INSTALL_DIR
			</syntaxhighlight>

Nico: /* Adding custom device tree overlay */

2025-11-24T17:27:19Z

Adding custom device tree overlay

← Older revision		Revision as of 17:27, 24 November 2025
Line 6:		Line 6:
	== Adding custom device tree overlay ==		== Adding custom device tree overlay ==

	In Jetpack 6.X device tree overlays live in directory: ~~```~~hardware/nvidia/t23x/nv-public/overlay/~~```~~.		In Jetpack 6.X device tree overlays live in directory: *hardware/nvidia/t23x/nv-public/overlay/*.

Nico: Created page with "=Adding custom device tree overlay to JetPack 6.X= ''Keywords'': ''NVIDIA Jetson, JetPack, kernel customization, device tree overlays, dtbo'' ==Description== This wiki page shows how to add a custom device tree overlay for NVIDIA platforms with Jetpack 6.X. == Adding custom device tree overlay == In Jetpack 6.X device tree overlays live in directory: ```hardware/nvidia/t23x/nv-public/overlay/```."

2025-11-24T17:27:07Z

Created page with "=Adding custom device tree overlay to JetPack 6.X= ''Keywords'': ''NVIDIA Jetson, JetPack, kernel customization, device tree overlays, dtbo'' ==Description== This wiki page shows how to add a custom device tree overlay for NVIDIA platforms with Jetpack 6.X. == Adding custom device tree overlay == In Jetpack 6.X device tree overlays live in directory: ```hardware/nvidia/t23x/nv-public/overlay/```."

New page

=Adding custom device tree overlay to JetPack 6.X=
''Keywords'': ''NVIDIA Jetson, JetPack, kernel customization, device tree overlays, dtbo''
==Description==
This wiki page shows how to add a custom device tree overlay for NVIDIA platforms with Jetpack 6.X.

== Adding custom device tree overlay ==

In Jetpack 6.X device tree overlays live in directory: ```hardware/nvidia/t23x/nv-public/overlay/```.