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

From: Rebecca Cran

Date: Tue Sep 16 2025 - 17:22:20 EST


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@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