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

Linus Walleij linus.walleij at linaro.org
Mon Oct 27 15:17:19 PDT 2025


On Thu, Oct 23, 2025 at 3:27 PM Antonio Borneo
<antonio.borneo at foss.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 at foss.st.com>
> Signed-off-by: Christophe Roullier <christophe.roullier at foss.st.com>
> Signed-off-by: Antonio Borneo <antonio.borneo at foss.st.com>

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

Yours,
Linus Walleij



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