[PATCH v1 5/7] arm: dts: s700: add node for ethernet controller

Tom Rini trini at konsulko.com
Tue May 12 21:59:22 CEST 2020

On Tue, May 12, 2020 at 05:39:46PM +0100, André Przywara wrote:
> On 12/05/2020 16:09, Tom Rini wrote:
> Hi,
> > On Tue, May 12, 2020 at 03:53:55PM +0100, André Przywara wrote:
> >> On 12/05/2020 15:25, Tom Rini wrote:
> >>> On Tue, May 12, 2020 at 03:18:33PM +0100, André Przywara wrote:
> >>>> On 09/05/2020 15:25, Amit Singh Tomar wrote:
> >>>>> This patch adds node for ethernet controller found on Action Semi OWL
> >>>>> S700 SoC.
> >>>>>
> >>>>> Since, there is no upstream Linux binding exist for S700 ethernet
> >>>>> controller, Changes are put in u-boot specific dtsi file.
> >>>>
> >>>> But that should not be the S700 SoC .dtsi, instead the cubieboard .dts
> >>>> file, since you specify the PHY mode in here (which is board specific).
> >>>
> >>> The general way to move forward here is that bindings should be getting
> >>> proposed to Linux and accepted there, and U-Boot can take a WIP of them,
> >>> that gets updated later on to match, but we shouldn't get it here first.
> >>
> >> Yes, this is of course a stop-gap measure, but a useful one: Being able
> >> to TFTP a kernel helps with developing the kernel port, especially since
> >> U-Boot doesn't support MMC (yet).
> >> And there are easier things than pushing a DT binding into the kernel
> >> tree without having a Linux driver ready ...
> > 
> > So, we're at -rc2 for v2020.07.  The DDR calculation stuff I can see
> > getting pulled in.  Is the ethernet driver for this SoC so far from done
> > that it's not ready for linux-next?  Things don't have to be in mainline
> > proper, but the expectation is that it's making reasonable progress
> > there and been reviewed so that binding changes between what we take in
> > U-Boot at first and a final re-sync once it is in mainline are minimal.
> I don't think there is any particular rush in getting this actually
> merged. After all it seems like the users of this board can be counted
> on one hand.
> I think it's nice to have this on the list, so interested parties can
> pull it in if there is a need. But we can surely wait how the binding
> evolves in the kernel tree, though this might take some time.

OK, I think that'll be good enough for a while then.  I'll mark this as
RFC in patchwork so I don't forget it's not quite ready for merging
anyhow.  Thanks!

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