linux-kernel - Re: [PATCH 1/2] arm/arm64: dts: Enable 2.5G Ethernet port on CN9130-CRB

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Date:   Fri, 8 Oct 2021 01:45:20 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     gregory.clement@...tlin.com, sebastian.hesselbarth@...il.com,
        robh+dt@...nel.org, kostap@...vell.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm/arm64: dts: Enable 2.5G Ethernet port on
 CN9130-CRB

On Fri, Oct 08, 2021 at 12:06:18PM +1300, Chris Packham wrote:
> Enable the 2.5G Ethernet port by setting the status to "okay" and the
> phy-mode to "2500base-x" on the cn9130-crb boards. Tested on a
> CN9130-CRB-A.
> 
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> 
> The Marvell SDK adds 2500base-t and uses it in the equivalent dtsi but
> looking at the documentation for both the SoC and the PHY I think
> 2500base-x is correct for the system interface (the line side is
> 2500base-t).

2500base-t does not make any sense. It does not even exist in
mainline.

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew