From: Lukasz Majewski <lukma@denx.de>
To: Fabio Estevam <festevam@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>,
u-boot@lists.denx.de, Anatolij Gustschin <agust@denx.de>,
Christian Hewitt <christianshewitt@gmail.com>,
FUKAUMI Naoki <naoki@radxa.com>,
Hai Pham <hai.pham.ud@renesas.com>,
Jonas Karlman <jonas@kwiboo.se>,
Kever Yang <kever.yang@rock-chips.com>,
Marek Vasut <marex@denx.de>, Mathieu Othacehe <othacehe@gnu.org>,
Michal Simek <michal.simek@amd.com>,
"NXP i.MX U-Boot Team" <uboot-imx@nxp.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Simon Glass <sjg@chromium.org>,
Svyatoslav Ryhel <clamor95@gmail.com>,
Tianling Shen <cnsztl@gmail.com>, Tom Rini <trini@konsulko.com>
Subject: Re: [PATCH 00/12] arm: xea: Provide support for different XEA board HW versions
Date: Tue, 26 Mar 2024 14:50:05 +0100 [thread overview]
Message-ID: <20240326145005.09093974@wsk> (raw)
In-Reply-To: <CAOMZO5A-hSn9qQ2WkdBLQFPhSb4KxfAw=z9sMyVHKjxBeo8Vzw@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 2148 bytes --]
Hi Fabio,
> Hi Lukasz,
>
> On Mon, Mar 25, 2024 at 5:48 AM Lukasz Majewski <lukma@denx.de> wrote:
>
> > The case here is that I'm modifying the *-u-boot.dts{i} files only.
> > In
>
> The diff below shows that you are creating imx28-xea-1.dts and
> imx28-xea-2.dts for U-Boot consumption and renaming the upstream
> imx28-xea.dts to imx28-xea.dts.
>
> create mode 100644 arch/arm/dts/imx28-xea-1.dts
> create mode 100644 arch/arm/dts/imx28-xea-2-u-boot.dtsi
> create mode 100644 arch/arm/dts/imx28-xea-2.dts
> rename arch/arm/dts/{imx28-xea.dts => imx28-xea.dtsi} (100%)
>
Yes, exactly.
> > other words, u-boot will not support features described in Linux
> > DTS.
>
> That's OK and this happens frequently.
>
> For example, upstream devicetree may describes audio codec,
> but U-Boot does not support audio playback.
>
> Devicetree should be OS agnostic.
>
Ok.
> In U-Boot, we want to re-use the upstream Linux devicetree files
> 'as-is'.
>
Yes, I'm fully aware of this. However, the U-Boot size increases
rapidly...
> Adding -u-boot.dtsi files is OK though.
>
Yes, this is a good way (with /delete-node) to reduce the size.
> Can you convert the imx28-xea board to OF_UPSTREAM available in the
> U-Boot next branch?
I will check if XEA can be moved to OF_UPSTREAM.
>
> > Hence, the rename of files (which would be in sync with Linux at
> > some point) looks like not related to Linux DTS (as even after
> > re-sync with upstream Linux those changes will not be in Linux
> > DTS).
>
> I did not understand this part, do you mean that Linux will also do
> the imx28-xea.dts => imx28-xea.dtsi rename and will also have the new
> imx28-xea-1.dts and imx28-xea-2.dts?
Yes. Exactly. I started the conversion from u-boot. Updating Linux DTS
will be next.
>
> Regards,
>
> Fabio Estevam
Best regards,
Lukasz Majewski
--
DENX Software Engineering GmbH, Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@denx.de
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
next prev parent reply other threads:[~2024-03-26 13:50 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-22 11:43 [PATCH 00/12] arm: xea: Provide support for different XEA board HW versions Lukasz Majewski
2024-03-22 11:43 ` [PATCH 01/12] arm: spl: xea: Remove I2S pins configuration from early initialization Lukasz Majewski
2024-03-22 11:43 ` [PATCH 02/12] arm: xea: Add support for reading SoM (CPU) and base board HW revision Lukasz Majewski
2024-03-22 11:43 ` [PATCH 03/12] arm: xea: Rename imx28-xea.dts to imx28-xea-1.dts Lukasz Majewski
2024-03-22 11:43 ` [PATCH 04/12] dts: xea: Move phy-reset-gpios property to version specific DTS file Lukasz Majewski
2024-03-22 11:43 ` [PATCH 05/12] dts: xea: Remove outdated comment Lukasz Majewski
2024-03-22 11:43 ` [PATCH 06/12] arm: xea: Add support for multiple dtbs in u-boot Lukasz Majewski
2024-03-22 11:43 ` [PATCH 07/12] dts: xea: Add device tree description for XEA HW rev. 2 Lukasz Majewski
2024-03-22 11:43 ` [PATCH 08/12] arm: spl: Add definition for PHY reset GPIO " Lukasz Majewski
2024-03-22 11:43 ` [PATCH 09/12] arm: config: xea: Enable support for multiple DTBs for XEA board Lukasz Majewski
2024-03-22 11:43 ` [PATCH 10/12] config: xea: Enable late board initialization to set revision variable Lukasz Majewski
2024-03-22 11:43 ` [PATCH 11/12] arm: xea: Print information about XEA's SoM HW revision Lukasz Majewski
2024-03-22 11:43 ` [PATCH 12/12] arm: env: Add support for booting different HW revisions of XEA boards Lukasz Majewski
2024-03-22 13:47 ` [PATCH 00/12] arm: xea: Provide support for different XEA board HW versions Fabio Estevam
2024-03-25 8:48 ` Lukasz Majewski
2024-03-26 11:05 ` Fabio Estevam
2024-03-26 13:50 ` Lukasz Majewski [this message]
2024-03-27 12:05 ` Lukasz Majewski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240326145005.09093974@wsk \
--to=lukma@denx.de \
--cc=agust@denx.de \
--cc=christianshewitt@gmail.com \
--cc=clamor95@gmail.com \
--cc=cnsztl@gmail.com \
--cc=festevam@gmail.com \
--cc=hai.pham.ud@renesas.com \
--cc=jonas@kwiboo.se \
--cc=kever.yang@rock-chips.com \
--cc=marex@denx.de \
--cc=michal.simek@amd.com \
--cc=naoki@radxa.com \
--cc=neil.armstrong@linaro.org \
--cc=othacehe@gnu.org \
--cc=sbabic@denx.de \
--cc=sjg@chromium.org \
--cc=trini@konsulko.com \
--cc=u-boot@lists.denx.de \
--cc=uboot-imx@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox