[RFC PATCH 7/7] arm64: dts: qcom: sc7180: Add sc7180-trogdor.its FIT image script

Michal Simek michal.simek at amd.com
Tue Oct 20 23:49:46 PDT 2026



On 10/20/26 17:35, Douglas Anderson wrote:
> Add an Image Tree Source (`sc7180-trogdor.its`) describing the FIT
> image for SC7180 Trogdor family boards using `Image-framed.lz4` and
> LZ4-compressed board DTBs (`*.dtb.lz4`), allowing the Trogdor FIT image
> to be built with:
> 
>    make FIT_ITS=qcom/sc7180-trogdor.its image.fit
> 
> Assisted-by: Gemini:gemini-pro-prerelease
> Signed-off-by: Douglas Anderson <dianders at chromium.org>
> ---
> As mentioned in the cover letter, there is no desperate need to land
> this. The FIT image created here is pretty much the same as what the
> downstream build scripts for ChromeOS programmatically
> produce. Switching over to this would have a few benefits:
> * It makes it easy to use fdtfactor on the trogdor kernel image.
> * It would set the path for future Chromebooks, and on those
>    Chromebooks maybe we could use the "description" of the
>    configurations to help the bootloader so we didn't need the awkward
>    piles of "compatible" strings that we have.
> * It could potentially be useful to people in the community putting
>    upstream kernels on sc7180-trogdor devices.
> 
> This all being said, there's nothing terribly critical here, so if
> it's controversial or people hate it then it's fine not to land it.
> 
>   arch/arm64/boot/dts/qcom/sc7180-trogdor.its | 728 ++++++++++++++++++++
>   1 file changed, 728 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/qcom/sc7180-trogdor.its
Acked-by: Michal Simek <michal.simek at amd.com>

I would consider in this case to put it to any folder. There are a lot of 
dts/dtsi/dtso files in qcom folder. That having subfolder would be IMHO better 
structure.

Thanks,
Michal



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