[RFC PATCH 0/1] Categorize ARM dts directory

Jonathan Neuschäfer j.neuschaefer at gmx.net
Tue Mar 29 00:21:08 AEDT 2022

On Mon, Mar 28, 2022 at 02:09:14AM +0200, Ansuel Smith wrote:
> Hi,
> as the title say, the intention of this ""series"" is to finally categorize
> the ARM dts directory in subdirectory for each oem.
> [1] https://gist.github.com/Ansuel/47c49925ee7ef4b1dd035afc74679ab5
> [2] https://gist.github.com/Ansuel/19f61f1e583c49407ce35c10e770fbe0

Nice idea, thank you!

A few notes on categorization below.

>  create mode 100644 arch/arm/boot/dts/broadcom/Makefile
>  rename arch/arm/boot/dts/{ => broadcom}/bcm-cygnus-clock.dtsi (100%)

Or maybe bcm instead of broadcom. Not sure which is preferred by
Broadcom people.

>  create mode 100644 arch/arm/boot/dts/dove/Makefile
>  rename arch/arm/boot/dts/{ => dove}/dove-cm-a510.dtsi (100%)

Arguably part of Marvell.

>  create mode 100644 arch/arm/boot/dts/edac/Makefile
>  rename arch/arm/boot/dts/{ => edac}/ecx-2000.dts (100%)
>  rename arch/arm/boot/dts/{ => edac}/ecx-common.dtsi (100%)
>  rename arch/arm/boot/dts/{ => edac}/highbank.dts (100%)

Why edac?
The most obvious name I can see here is calxeda.

>  create mode 100644 arch/arm/boot/dts/freescale/Makefile

Freescale has been part of NXP for a while, so it might make sense to
merge the freescale and nxp directories. I can't speak for
NXP-the-company, so that's just my view as a bystander.

>  create mode 100644 arch/arm/boot/dts/kirkwood/Makefile

The Kirkwood family should probably be sorted into Marvell.

>  create mode 100644 arch/arm/boot/dts/layerscape/Makefile
>  rename arch/arm/boot/dts/{ => layerscape}/ls1021a-moxa-uc-8410a.dts (100%)
>  rename arch/arm/boot/dts/{ => layerscape}/ls1021a-qds.dts (100%)
>  rename arch/arm/boot/dts/{ => layerscape}/ls1021a-tsn.dts (100%)
>  rename arch/arm/boot/dts/{ => layerscape}/ls1021a-twr.dts (100%)
>  rename arch/arm/boot/dts/{ => layerscape}/ls1021a.dtsi (100%)

The Layerscape family is part of Freescale/NXP.

>  create mode 120000 arch/arm/boot/dts/nxp/armv7-m.dtsi

armv7-m.dtsi is a bit confusing, because it contains a few devices at
fixed addresses, so it looks vendor-specific at a first glance into the
file. However, if it is actually as vendor-neutral as the name implies,
I think it should live dts/ directly, rather than in vendor

>  rename arch/arm/boot/dts/{ => nxp}/lpc18xx.dtsi (100%)

Here we have the NXP LPCxxxx family, which is AFAIK unrelated to the
i.MX family (and thus the bulk of the Freescale legacy).

>  create mode 100644 arch/arm/boot/dts/vybrid/Makefile

Vybrid is another chip family of NXP, with a good deal of Freescale
legacy in it as evidenced by the "fsl," prefix in the devicetrees.

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