linux-kernel - Re: [PATCH 00/13] This patchset aims to add initial support for the i.MXRT10xx family

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Date:   Sun, 24 Oct 2021 21:32:50 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Jesse Taube <mr.bossman075@...il.com>
Cc:     NXP Linux Team <linux-imx@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Stefan Agner <stefan@...er.ch>,
        Linus Walleij <linus.walleij@...aro.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        SoC Team <soc@...nel.org>,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Abel Vesa <abel.vesa@....com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Jiri Slaby <jirislaby@...nel.org>,
        giulio.benetti@...ettiengineering.com,
        Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
        Leonard Crestez <leonard.crestez@....com>,
        b20788@...escale.com, Andy Duan <fugang.duan@....com>,
        linux-clk <linux-clk@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>
Subject: Re: [PATCH 00/13] This patchset aims to add initial support for the
 i.MXRT10xx family

On Sun, Oct 24, 2021 at 5:40 PM Jesse Taube <mr.bossman075@...il.com> wrote:
>
> Add initial support for the i.MXRT10xx SoC family
> starting with the i.IMXRT1050 SoC.
> This patchset contains:
> - i.MXRT10xx family infrastructure
> - i.MXRT1050 pinctrl driver adaption
> - i.MXRT1050 clock driver adaption
> - i.MXRT1050 sd-card driver adaption
> - i.MXRT1050 uart driver adaption
> - i.MXRT1050-evk basic support

Can you expand the description a bit more so it makes sense as a changelog
text for the merge commit? It's fairly rare these days that we add support for a
MMU-less platform, so it would be good if the introductory text answers
questions like:

- what is this platform used for, and what is the purpose of running Linux on it
  in place of the usual RTOS variants?

- are you doing this just for fun, or are there any commercial use cases?

- what are the minimum and maximum memory configurations this has
  been tested with?

- what user space are you testing with: any particular distro that supports
  this platform, and do you run elf-fdpic or flat binaries.

- are you planning to also support the newer i.MXRT11xx or
  Cortex-R based designs like the S32S?

       Arnd