[net-next PATCH v7 0/4] net: dsa: Add Airoha AN8855 support

Vladimir Oltean olteanv at gmail.com
Mon Nov 18 06:48:59 PST 2024


Hi Christian,

On Sun, Nov 17, 2024 at 02:27:55PM +0100, Christian Marangi wrote:
> This small series add the initial support for the Airoha AN8855 Switch.
> 
> It's a 5 port Gigabit Switch with SGMII/HSGMII upstream port.
> 
> This is starting to get in the wild and there are already some router
> having this switch chip.
> 
> It's conceptually similar to mediatek switch but register and bits
> are different. And there is that massive Hell that is the PCS
> configuration.
> Saddly for that part we have absolutely NO documentation currently.
> 
> There is this special thing where PHY needs to be calibrated with values
> from the switch efuse. (the thing have a whole cpu timer and MCU)

Have you run the scripts in tools/testing/selftests/drivers/net/dsa/?
Could you post the results?



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