Re: [PATCH net-next 13/13] net: dsa: add driver for MaxLinear GSW1xx switch family

From: Russell King (Oracle)
Date: Sat Oct 25 2025 - 16:46:32 EST


On Fri, Oct 24, 2025 at 06:05:00PM +0100, Daniel Golle wrote:
> Add driver for the MaxLinear GSW1xx family of Ethernet switch ICs which
> are based on the same IP as the Lantiq/Intel GSWIP found in the Lantiq VR9
> and Intel GRX MIPS router SoCs. The main difference is that instead of
> using memory-mapped I/O to communicate with the host CPU these ICs are
> connected via MDIO (or SPI, which isn't supported by this driver).
> Implement the regmap API to access the switch registers over MDIO to allow
> reusing lantiq_gswip_common for all core functionality.
>
> The GSW1xx also comes with a SerDes port capable of 1000Base-X, SGMII and
> 2500Base-X, which can either be used to connect an external PHY or SFP
> cage, or as the CPU port. Support for the SerDes interface is implemented
> in this driver using the phylink_pcs interface.
>
> Signed-off-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>

Not sure what version I reviewed, but please see that other version for
my review comments on this patch.

Thanks.

--
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