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SubjectRe: [RFC-PATCH] net: stmmac: Add KR port support.
On Fri, Jul 30, 2021 at 05:01:44AM +0200, Andrew Lunn wrote:
> On Thu, Jul 29, 2021 at 04:44:42PM -0700, Daniel Walker wrote:
> > From: Balamurugan Selvarajan <balamsel@cisco.com>
> >
> > For KR port the mii interface is a chip-to-chip
> > interface without a mechanical connector. So PHY
> > inits are not applicable. In this case MAC is
> > configured to operate at forced speed(1000Mbps)
> > and full duplex. Modified driver to accommodate
> > PHY and NON-PHY mode.
>
> I agree with Florian here. Look at all the in kernel examples of a SoC
> MAC connected to an Ethernet switch. Some use rgmii, others 1000BaseX
> or higher. But they all follow the same scheme, and don't need
> invasive MAC driver changes.


Can you provide the examples which you looked at ?

Daniel

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