linux-kernel - Re: [PATCH 0/2] Add support for Skov Rev.C HDMI variant

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Message-ID: <20251112084717.ea7fchu7jcz6dzsi@pengutronix.de>
Date: Wed, 12 Nov 2025 09:47:17 +0100
From: Marco Felsch <m.felsch@...gutronix.de>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: devicetree@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	imx@...ts.linux.dev, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>, linux-kernel@...r.kernel.org,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/2] Add support for Skov Rev.C HDMI variant

On 25-11-10, Marco Felsch wrote:
> On 25-11-10, Rob Herring (Arm) wrote:
> > 
> > On Fri, 07 Nov 2025 15:49:50 +0100, Marco Felsch wrote:
> > > Hi,
> > > 
> > > this small patchset adds the support for the Rev.C HDMI board variant.
> > > 
> > > Regards,
> > >   Marco
> > > 
> > > Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
> > > ---
> > > Marco Felsch (2):
> > >       dt-bindings: arm: fsl: add Skov Rev.C HDMI support
> > >       arm64: dts: imx8mp-skov: add Rev.C HDMI support
> > > 
> > >  Documentation/devicetree/bindings/arm/fsl.yaml          | 1 +
> > >  arch/arm64/boot/dts/freescale/Makefile                  | 1 +
> > >  arch/arm64/boot/dts/freescale/imx8mp-skov-revc-hdmi.dts | 8 ++++++++
> > >  3 files changed, 10 insertions(+)
> > > ---
> > > base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787
> > > change-id: 20251107-v6-18-skov-revc-hdmi-1e8d4bbac26a
> > > 
> > > Best regards,
> > > --
> > > Marco Felsch <m.felsch@...gutronix.de>
> > > 
> > > 
> > > 
> > 
> > 
> > My bot found new DTB warnings on the .dts files added or changed in this
> > series.
> > 
> > Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
> > are fixed by another series. Ultimately, it is up to the platform
> > maintainer whether these warnings are acceptable or not. No need to reply
> > unless the platform maintainer has comments.
> > 
> > If you already ran DT checks and didn't see these error(s), then
> > make sure dt-schema is up to date:
> > 
> >   pip3 install dtschema --upgrade
> > 
> > 
> > This patch series was applied (using b4) to base:
> >  Base: 3a8660878839faadb4f1a6dd72c3179c1df56787 (use --merge-base to override)
> > 
> > If this is not the correct base, please add 'base-commit' tag
> > (or use b4 which does this automatically)
> > 
> > New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/freescale/' for 20251107-v6-18-skov-revc-hdmi-v1-0-595549e5b496@...gutronix.de:
> > 
> > arch/arm64/boot/dts/freescale/imx8mp-skov-revc-hdmi.dtb: switch@5f (microchip,ksz9893): pinctrl-names: ['default'] is too short
> > 	from schema $id: http://devicetree.org/schemas/net/dsa/microchip,ksz.yaml
> 
> This may be a valid issue, but it's rather an additional patch worth it
> since this patchset doesn't touch the imx8mp-skov-reva.dtsi include at
> all.

FTR: If I get the binding right, the regression is caused by commit
https://lore.kernel.org/all/20250918-ksz-strap-pins-v3-2-16662e881728@bootlin.com/.

Since this commit, pinctrl-names always need to have the "default" and
"reset" value, which is wrong.

Regards,
  Marco


> 
> Regards, Marco
> 
> > 
> > 
> > 
> > 
> > 
> > 
> 
> -- #gernperDu #CallMeByMyFirstName
> 
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