[PATCH 1/5] arm: dts: r8a774a1: Import DTS queued for Linux 5.12-rc1

[Adam Ford]

On Tue, Feb 2, 2021 at 4:11 AM Biju Das <biju.das.jz at bp.renesas.com> wrote:
>
> Hi Marek and Adam,
>
> > Subject: Re: [PATCH 1/5] arm: dts: r8a774a1: Import DTS queued for Linux
> > 5.12-rc1
> >
> > On 2/1/21 4:19 PM, Adam Ford wrote:
> > > On Mon, Jan 25, 2021 at 6:40 AM Marek Vasut <marex at denx.de> wrote:
> > >>
> > >> On 1/25/21 12:22 AM, Adam Ford wrote:
> > >>> On Sun, Jan 24, 2021 at 11:10 AM Marek Vasut <marex at denx.de> wrote:
> > >>>>
> > >>>> On 1/13/21 12:52 AM, Adam Ford wrote:
> > >>>>> Update the RZ/G2M dtsi and r8a774a1-beacon-rzg2m-kit kit from
> > >>>>> Renesas repo destined to become 5.12-rc1.
> > >>>>
> > >>>> I picked a DT sync for Linux 5.10 from Biju (on CC), does your
> > >>>> board need something from 5.12-rc1 or can it be based on 5.10 too ?
> > >>>
> > >>> I honestly don't remember.  I had to unexpectedly leave town for
> > >>> this week due to a funeral, and I won't be near a Linux development
> > >>> computer to run tests until Feb 1, so I don't know if the board will
> > >>> build using 5.10 or not.  Sorry I don't have a better answer.
> > >>
> > >> Lets revisit this later then.
> > >
> > > I tested the Beacon boards, but they have a dependency on usb2_clksel
> > > that is not present in the 5.10 device tree.
> > > I also noticed that I forgot to include versaclock.h dt-binding file
> > > from the kernel, so the Beacon boards don't build for that too.
> > >
>
> Do we have usb2_clksel support in u-boot? If yes, it make sense to import from 5.12-rc1.
> Similarly for other bits importing from kernel 5.12-rc1.
>
> May be rpc-spcif support available in u-boot. So we could import from 5.12-rc1.
> For  others like PCIe, ethernet the changes corresponding to dts is not present in driver.

I think  Marek has posted some rcar3 updates to support the PCIe.  I
am hopeful that it will work on the RZ/G2 series.
I have rpc-spcif enabled and my plan was to post some updated configs
with it enabled once the updated configs had been merged.

>
> Do we have any plans to update the driver or plan to delete the properties/nodes
> from U-boot specific dtsi, so that we can save image size?

I had not thought of that, but I can take a look at it.

>
> > > I can submit a V2 with the binding file included, or I can submit the
> > > dt-binding file now and wait on the Beacon boards until that file has
> > > been merged, or I can redo the device tree in a custom way to work the
> > > 5.10 and not use the veraclock dt-bindings since there is no
> > > versaclock driver in U-Boot anyway.  You may have an alternative as
> > > well.
> >
> > Can you try to figure out the best option with Biju , who is in charge of
> > all the RZG stuff ? Either way works for me.
> >
> > You also likely want to roll V2 out soon, since the RC1 is out. I would
> > still like to pick it for 2021.04 .
>
> As Marek, suggested please send V2.

I will do a V2 today.

adam

>
> Regards,
> Biju