Date:   Wed, 3 May 2023 12:42:00 +0200
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Christian Hewitt <christianshewitt@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Olof Johansson <olof@...om.net>,
        Christian Marangi <ansuelsmth@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-actions@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev,
        Linux-OMAP <linux-omap@...r.kernel.org>,
        linux-amlogic@...ts.infradead.org, linux-arm-kernel@...s.com,
        linux-aspeed@...ts.ozlabs.org,
        linux-rpi-kernel@...ts.infradead.org,
        chrome-platform@...ts.linux.dev,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
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        "linux-oxnas@...ups.io" <linux-oxnas@...ups.io>,
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        linux-realtek-soc@...ts.infradead.org
Subject: Re: [RFC PATCH 0/1] Categorize ARM dts directory

On 03/05/2023 00:01, Christian Hewitt wrote:
> 
> 
>> On 2 May 2023, at 8:40 pm, Rob Herring <robh+dt@...nel.org> wrote:
>>
>> On Tue, May 2, 2023 at 3:15 AM Arnd Bergmann <arnd@...db.de> wrote:
>>>
>>> On Tue, Apr 25, 2023, at 17:57, Rob Herring wrote:
>>>> On Tue, Apr 25, 2023 at 2:28 AM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>>>>
>>>>> Does your script also cater for .dts files not matching any pattern,
>>>>> but including a .dtsi file that does match a pattern?
>>>>
>>>> I assume I built everything after moving, but maybe not...
>>>>
>>>> That's all just "details". First, we need agreement on a) moving
>>>> things to subdirs and b) doing it 1-by-1 or all at once. So far we've
>>>> been stuck on a) for being 'too much churn'.
>>>
>>> Sorry for missing most of the discussion last week. The script sounds
>>> fine to me, the only reason I didn't want to do this in the past is that
>>> we had the plan to move platforms out of the kernel tree to an external
>>> repository and I wanted to do this platform at a time and also only move
>>> each one once. I don't think that is going to happen anytime soon now,
>>> so let's just do your script.
>>>
>>> Can you send me the script and/or a pull request of the resulting
>>> tree based on my soc/dt branch? Everything is merged upstream,
>>> and I think git-merge would handle the remaining merges with any
>>> other changes in mainline.
>>
>> I've dusted off my script and made a branch[1] with the result.
>> There's just a couple of fixes needed after the script is run (see the
>> top commit). The cross arch includes are all fixed up by the script.
>> dtbs_install maintains a flat install. I compared the number of .dtbs
>> before and after to check the script.
>>
>> I think the only issue remaining is finalizing the mapping of
>> platforms to subdirs. What I have currently is a mixture of SoC
>> families and vendors. The most notable are all the Freescale/NXP
>> platforms, pxa, socfpga, and stm32. It's not consistent with arm64
>> either. Once that's finalized, I still need to go update MAINTAINERS.
>>
>> Here's the current mapping:
>>
>> vendor_map = {
>>     'alphascale' : 'alphascale',
>>     'alpine' : 'alpine',
>>     'artpec' : 'axis',
>>     'axm' : 'lsi',
>>     'cx9' : 'cnxt',
>>     'ecx' : 'calxeda',
>>     'highbank' : 'calxeda',
>>     'ep7' : 'cirrus',
>>     'mxs': 'mxs',
>>     'imx23': 'mxs',
>>     'imx28': 'mxs',
>>     'sun' : 'allwinner',
>>     'imx': 'imx',
>>     'e6' : 'imx',
>>     'e7' : 'imx',
>>     'mba6' : 'imx',
>>     'ls': 'fsl',
>>     'vf': 'fsl',
>>     'qcom': 'qcom',
>>     'am3' : 'ti',
>>     'am4' : 'ti',
>>     'am5' : 'ti',
>>     'dra' : 'ti',
>>     'keystone' : 'ti',
>>     'omap' : 'ti',
>>     'compulab' : 'ti',
>>     'logicpd' : 'ti',
>>     'elpida' : 'ti',
>>     'motorola' : 'ti',
>>     'twl' : 'ti',
>>     'da' : 'ti',
>>     'dm' : 'ti',
>>     'nspire' : 'nspire',
>>     'armada' : 'marvell',
>>     'dove' : 'marvell',
>>     'kirkwood' : 'marvell',
>>     'orion' : 'marvell',
>>     'mvebu' : 'marvell',
>>     'mmp' : 'marvell',
>>     'berlin' : 'berlin',
>>     'pxa2' : 'pxa',
>>     'pxa3' : 'pxa',
>>     'pxa' : 'marvell',
>>     'arm-' : 'arm',
>>     'integ' : 'arm',
>>     'mps' : 'arm',
>>     've' : 'arm',
>>     'aspeed' : 'aspeed',
>>     'ast2' : 'aspeed',
>>     'facebook' : 'aspeed',
>>     'ibm' : 'aspeed',
>>     'openbmc' : 'aspeed',
>>     'en7' : 'airoha',
>>     'at91' : 'microchip',
>>     'sama' : 'microchip',
>>     'sam9' : 'microchip',
>>     'usb_' : 'microchip',
>>     'tny_' : 'microchip',
>>     'mpa1600' : 'microchip',
>>     'animeo_ip' : 'microchip',
>>     'aks-cdu' : 'microchip',
>>     'ethernut5' : 'microchip',
>>     'evk-pro3' : 'microchip',
>>     'pm9g45' : 'microchip',
>>     'ge86' : 'microchip',
>>     'bcm' : 'brcm',
>>     'exynos' : 'samsung',
>>     's3c' : 'samsung',
>>     's5p' : 'samsung',
>>     'gemini' : 'gemini',
>>     'hi3' : 'hisilicon',
>>     'hip' : 'hisilicon',
>>     'hisi' : 'hisilicon',
>>     'sd5' : 'hisilicon',
>>     'hpe' : 'hpe',
>>     'intel': 'intel',
>>     'mt' : 'mediatek',
>>     'meson' : 'meson',
> 
> ‘meson’ : ‘amlogic’,
> 
> ^ to match the SoC vendor name (and arm64)

Ack we're trying to get rid of meson, so it would be time.

Neil

> 
> Christian
> 
>>     'moxa' : 'moxa',
>>     'mstar' : 'mstar',
>>     'nuvo' : 'nuvoton',
>>     'lpc' : 'lpc',
>>     'lan96' : 'microchip',
>>     'owl' : 'actions',
>>     'ox8' : 'oxsemi',
>>     'rda' : 'rda',
>>     'rtd' : 'realtek',
>>     'r7' : 'renesas',
>>     'r8' : 'renesas',
>>     'r9' : 'renesas',
>>     'emev2' : 'renesas',
>>     'sh73a' : 'renesas',
>>     'gr-' : 'renesas',
>>     'iwg' : 'renesas',
>>     'rk' : 'rockchip',
>>     'rv11' : 'rockchip',
>>     'rockchip' : 'rockchip',
>>     'socfpga' : 'socfpga',
>>     'stm' : 'stm32',
>>     'sti' : 'sti',
>>     'st-pin' : 'sti',
>>     'ste' : 'st-ericsson',
>>     'spear' : 'spear',
>>     'axp' : 'allwinner',
>>     'tegra' : 'nvidia',
>>     'milbeaut' : 'socionext',
>>     'uniph' : 'socionext',
>>     'vt8500' : 'vt8500',
>>     'wm8' : 'vt8500',
>>     'xen' : 'xen',
>>     'zx' : 'zte',
>>     'zynq' : 'xilinx',
>> }
>>
>> Rob
>>
>> [1] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git arm-dts-move-v2
>>
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> 

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