On Mon, Sep 8, 2025 at 1:37 PM Christian Marangi <ansuelsmth@xxxxxxxxx> wrote:
> With further testing with an attached Aeonsemi it was discovered that
> the pinctrl MDIO function applied the wrong bitmask. The error was
> probably caused by the confusing documentation related to these bits.
>
> Inspecting what the bootloader actually configure, the SGMII_MDIO_MODE
> is never actually set but instead it's set force enable to the 2 GPIO
> (gpio 1-2) for MDC and MDIO pin.
>
> Applying this configuration permits correct functionality of any
> externally attached PHY.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 1c8ace2d0725 ("pinctrl: airoha: Add support for EN7581 SoC")
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
Patch applied, recorded Benjamins response as Acked-by.
Yours,
Linus Walleij