From: Tom Rini <trini@konsulko.com>
To: Lukasz Majewski <lukma@denx.de>
Cc: u-boot@lists.denx.de, Andre Przywara <andre.przywara@arm.com>,
Bharat Gooty <bharat.gooty@broadcom.com>,
Christian Hewitt <christianshewitt@gmail.com>,
Dario Binacchi <dariobin@libero.it>,
Fabio Estevam <festevam@denx.de>,
Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com>,
Heiko Schocher <hs@denx.de>,
Jaehoon Chung <jh80.chung@samsung.com>,
Jagan Teki <jagan@amarulasolutions.com>,
Kever Yang <kever.yang@rock-chips.com>,
Kory Maincent <kory.maincent@bootlin.com>,
Lokesh Vutla <lokeshvutla@ti.com>,
Marcin Niestroj <m.niestroj@grinn-global.com>,
Peter Robinson <pbrobinson@gmail.com>,
Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>,
Simon Glass <sjg@chromium.org>,
Tim Harvey <tharvey@gateworks.com>,
"Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
Subject: Re: [PATCH] arm: Add AM335x based CBC board
Date: Thu, 3 Mar 2022 11:35:42 -0500 [thread overview]
Message-ID: <20220303163542.GC5020@bill-the-cat> (raw)
In-Reply-To: <20220303154846.627fcfe4@ktm>
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On Thu, Mar 03, 2022 at 03:48:46PM +0100, Lukasz Majewski wrote:
> Hi Tom,
>
> > On Thu, Mar 03, 2022 at 03:07:47PM +0100, Lukasz Majewski wrote:
> > > Hi Tom,
> > >
> > > > On Thu, Mar 03, 2022 at 10:27:10AM +0100, Lukasz Majewski wrote:
> > > > > Hi Tom,
> > > > >
> > > > > > This commit adds CBC board to U-Boot.
> > > > > >
> > > > > > U-Boot 2022.04-rc1-00271-g930634a4c9 (Feb 21 2022 - 15:08:13
> > > > > > +0100)
> > > > > >
> > > > > > CPU : AM335X-GP rev 2.1
> > > > > > Model: AM335x Bosch CBC
> > > > > > DRAM: 512 MiB
> > > > > > Core: 198 devices, 14 uclasses, devicetree: separate
> > > > > > MMC: OMAP SD/MMC: 2, OMAP SD/MMC: 0, OMAP SD/MMC: 1
> > > > > > Loading Environment from MMC... OK
> > > > > > Boot Device is eMMC
> > > > > > CBC Variant found: BCT531
> > > > > > Net: eth2: ethernet@4a100000
> > > > > > Hit any key to stop autoboot: 0
> > > > > >
> > > > > > Signed-off-by: Lukasz Majewski <lukma@denx.de>
> > > > > >
> > > > > > ---
> > > > > >
> > > > > > arch/arm/Kconfig | 1 +
> > > > > > arch/arm/dts/Makefile | 1 +
> > > > > > arch/arm/dts/am335x-cbc-u-boot.dtsi | 18 ++
> > > > > > arch/arm/dts/am335x-cbc.dts | 309
> > > > > > ++++++++++++++++++++ arch/arm/dts/am335x-cbc.dtsi |
> > > > > > 136 +++++++++
> > > >
> > > > Is this dts upstream?
> > > >
> > >
> > > No, not yet. This is the smallest required DTS for this board (and
> > > hence it is a subset of the full blown Linux kernel DTS).
> > >
> > > (Shall it be first accepted to the Linux kernel?)
> >
> > Everything that's not -u-boot.dtsi stuff needs to be at least in
> > linux-next first, yes. For all SoCs, not just am33xx.
> >
>
> But then I do have a question - what if I don't need the whole DTS
> accepted to Linux?
>
> Would it be OK, to provide just a subset (to save space)?
If it's something that belongs to a U-Boot binding we haven't
upstreamed, it goes in -u-boot.dtsi. Otherwise it goes in the full DTS
which gets upstreamed, even if the kernel doesn't use it, since that's
where DTS files live currently.
--
Tom
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prev parent reply other threads:[~2022-03-03 16:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-22 8:57 [PATCH] arm: Add AM335x based CBC board Lukasz Majewski
2022-03-03 9:27 ` Lukasz Majewski
2022-03-03 13:22 ` Tom Rini
2022-03-03 14:07 ` Lukasz Majewski
2022-03-03 14:10 ` Tom Rini
2022-03-03 14:48 ` Lukasz Majewski
2022-03-03 16:35 ` Tom Rini [this message]
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