Re: [PATCH net-next v3 5/6] net: dsa: microchip: add support for side MDIO interface in LAN937x
From: Andrew Lunn
Date: Tue Nov 05 2024 - 13:21:21 EST
On Tue, Nov 05, 2024 at 10:09:43AM +0100, Oleksij Rempel wrote:
> Implement side MDIO channel support for LAN937x switches, providing an
> alternative to SPI for PHY management alongside existing SPI-based
> switch configuration. This is needed to reduce SPI load, as SPI can be
> relatively expensive for small packets compared to MDIO support.
>
> Also, implemented static mappings for PHY addresses for various LAN937x
> models to support different internal PHY configurations. Since the PHY
> address mappings are not equal to the port indexes, this patch also
> provides PHY address calculation based on hardware strapping
> configuration.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew