linux-kernel - Re: [PATCH v4 12/12] arm64: dts: st: Add I/O sync to eth pinctrl in stm32mp25-pinctrl.dtsi

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Message-ID: <CACRpkdbGjsGwvJ5gA-HhUQ4_XrQJAaMa0pdzHS19sgLXv0XUag@mail.gmail.com>
Date: Mon, 27 Oct 2025 23:17:19 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Antonio Borneo <antonio.borneo@...s.st.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Maxime Coquelin <mcoquelin.stm32@...il.com>, 
	Alexandre Torgue <alexandre.torgue@...s.st.com>, Bartosz Golaszewski <brgl@...ev.pl>, linux-gpio@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-stm32@...md-mailman.stormreply.com, 
	linux-arm-kernel@...ts.infradead.org, 
	Christophe Roullier <christophe.roullier@...s.st.com>, 
	Fabien Dessenne <fabien.dessenne@...s.st.com>, Valentin Caron <valentin.caron@...s.st.com>
Subject: Re: [PATCH v4 12/12] arm64: dts: st: Add I/O sync to eth pinctrl in stm32mp25-pinctrl.dtsi

On Thu, Oct 23, 2025 at 3:27 PM Antonio Borneo
<antonio.borneo@...s.st.com> wrote:

> On board stm32mp257f-ev1, the propagation delay between eth1/eth2
> and the external PHY requires a compensation to guarantee that no
> packet get lost in all the working conditions.
>
> Add I/O synchronization properties in pinctrl on all the RGMII
> data pins, activating re-sampling on both edges of the clock.
>
> Co-developed-by: Christophe Roullier <christophe.roullier@...s.st.com>
> Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
> Signed-off-by: Antonio Borneo <antonio.borneo@...s.st.com>

Please merge this last patch through the ARM SoC tree!
FWIW:
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij