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From: Arnd Bergmann <arnd@arndb.de>
To: Laurence de Bruxelles <lfdebrux@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	Linus Walleij <linus.walleij@linaro.org>,
	 Robert Jarzmik <robert.jarzmik@free.fr>,
	Lee Jones <lee.jones@linaro.org>,
	 Daniel Thompson <daniel.thompson@linaro.org>,
	 Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Daniel Mack <daniel@zonque.org>
Subject: Re: [PATCH] backlight: corgi: Fix gpio numbers for backlight controls
Date: Tue, 5 Jul 2022 11:49:15 +0200	[thread overview]
Message-ID: <CAK8P3a0HBvhe0MHjjO+WyEp669qd2NEC5RC7_jcvnEJM6X0Fug@mail.gmail.com> (raw)
In-Reply-To: <d516419a-224c-4829-8d3f-e3a81b5bb0ea@gmail.com>

On Tue, Jul 5, 2022 at 12:04 AM Laurence de Bruxelles
<lfdebrux@gmail.com> wrote:
> 4 Jul 2022 14:09:18 Arnd Bergmann <arnd@arndb.de>:
> > We are currently planning the removal of non-DT board support for a
> > lot of platforms, and spitz is currently on the list I have noted down
> > for
> > getting removed in early 2023, see the thread at
> >
> >
> > https://lore.kernel.org/linux-arm-kernel/b8372253-abf6-5eee-f9cd-788bc5f24be2@zonque.org/
> >
> > Are you actively using this machine, and planning to keep using it
> > in the future? Are you interested in working on or testing a DT
> > conversion?
>
> Yes to all :)

Great!

> How can I get involved?

I don't think anyone else is currently working on further DT conversion, though
Robert Jarzmik and Daniel Mack have done the important preparation work for
this in the past, and Linus Walleij is looking at it across multiple
platforms, so
they can probably give more helpful advice than I can.

There is a pxa27x.dtsi file that you can include in a new pxa270-spitz.dts file,
but there are no other dts files that include this, so it's likely
that there are
mistakes in the description.

The approach I would use is to start with a minimal dts file and get the console
uart working in qemu, then add more devices one at a time by creating nodes
for the devices that already have DT support, and after that create DT bindings
for devices that don't have one yet, using the raumfeld files as a template.

Feel free to ask on the #armlinux IRC channel on irc.libera.chat when you
run into problems.

       Arnd

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      reply	other threads:[~2022-07-05  9:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-17 21:20 [PATCH] backlight: corgi: Fix gpio numbers for backlight controls Laurence de Bruxelles
2022-06-26 23:51 ` Linus Walleij
2022-06-30  6:38   ` Laurence de Bruxelles
2022-06-30  6:53     ` Lee Jones
2022-06-30 10:26       ` Laurence de Bruxelles
2022-06-30 11:06         ` Linus Walleij
2022-07-02  7:56           ` Laurence de Bruxelles
2022-06-27  7:43 ` Lee Jones
2022-06-30  6:41   ` Laurence de Bruxelles
2022-06-30  6:51     ` Lee Jones
2022-07-04 13:08 ` Arnd Bergmann
2022-07-04 22:04   ` Laurence de Bruxelles
2022-07-05  9:49     ` Arnd Bergmann [this message]

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