[PATCH 2/2] ARM: dts: aspeed: add device tree for ASRock Rack ALTRAD8 BMC

Rebecca Cran rebecca at bsdio.com
Wed Sep 17 07:22:04 AEST 2025


On 9/16/25 13:07, Andrew Lunn wrote:

> Now, it looks like all other aspeed-g5 boards also don't link to the
> PHY. But the driver does seem to support adding an 'mdio' node within
> the ethernet node, and listing the PHYs. Something like:
>
>         mdio {
>                  #address-cells = <1>;
>                  #size-cells = <0>;
>
>                  ethphy0: ethernet-phy at 0 {
>                          reg = <0>;
>                  };
>          };
>
> And then you can add a phy-handle to point to it.
>
> Then the question is, did Aspeed mess up the RGMII delays for g5? You
> can try phy-mode = 'rgmii-id' and see if it works.

I can't get that to work, with either 'rgmii-id' or 'rgmii'.

It says "Failed to connect to phy".


-- 
Rebecca Cran



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