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

Christian Marangi ansuelsmth at gmail.com
Mon Nov 18 10:35:18 PST 2024


On Mon, Nov 18, 2024 at 04:48:59PM +0200, Vladimir Oltean wrote:
> 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?

Any test in particular? I'm working on adding correct support for them
in OpenWrt. Should I expect some to fail?

-- 
	Ansuel



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