Messages in this thread | | | Date | Sat, 31 Jul 2021 04:29:03 +0200 | From | Andrew Lunn <> | Subject | Re: [RFC-PATCH] net: stmmac: Add KR port support. |
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On Fri, Jul 30, 2021 at 07:48:30AM -0700, Daniel Walker wrote: > 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 ?
There are plenty of examples using Freescale FEC and Marvell Ethernet switches:
arch/arm/boot/dts/vf610-zii-dev-rev-b.dts
Or the Mavell based
arch/arm/boot/dts/armada-xp-linksys-mamba.dts
Andrew
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