Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops

From: Bjørn Mork
Date: Mon Jan 16 2023 - 12:09:43 EST


"Russell King (Oracle)" <linux@xxxxxxxxxxxxxxx> writes:

> I found the document for the PHY at:
>
> https://assets.maxlinear.com/web/documents/617792_gpy212b1vc_gpy212c0vc_ds_rev1.3.pdf
>
> It seems as I suspected, the PHY has not completed SGMII AN. Please
> can you read register 8 when operating at 1G speeds as well
> (VSPEC1_SGMII_CTRL)? Thanks.

Both phys at 1G:

root@OpenWrt:/# mdio mdio-bus 5:30 raw 8
0x34da

root@OpenWrt:/# mdio mdio-bus 6:30 raw 8
0x34da


Bjørn