[U-Boot] [PATCH 0/6] sunxi: update Pine64/A64 DTs

[Jagan Teki]

On Mon, Feb 27, 2017 at 6:09 PM, Chen-Yu Tsai <wens at csie.org> wrote:
> Hi,
>
> On Mon, Feb 27, 2017 at 5:53 PM, Andre Przywara <andre.przywara at arm.com> wrote:
>> Hi,
>>
>> On 27/02/17 03:30, Chen-Yu Tsai wrote:
>>> On Mon, Feb 27, 2017 at 8:26 AM, Andre Przywara <andre.przywara at arm.com> wrote:
>>>> Hi,
>>>>
>>>> in the wake of the sunxi DM enablement series it became apparent that
>>>> the current device tree files for the A64 SoC and its board are outdated.
>>>>
>>>> Since Linux v4.10-rc1 there are now basic .dts files for the Allwinner
>>>> A64 SoC and the Pine64 boards in the mainline kernel.
>>>> Linux v4.11-rc1 added MMC and USB support.
>>>> Because our preliminary device trees used in U-Boot differ significantly,
>>>> let's update our copy with what's in the current Linus' master tree.
>>>> Since in contrast to U-Boot the kernel still lacks support for Ethernet,
>>>> we keep our preliminary nodes for that IP, but adjust it slightly to
>>>> match the new clocks and reset bindings.
>>>>
>>>> As the sun8i-emac driver is actually using the DT for the pinmux setup,
>>>> we teach it how to cope with the new pinctrl bindings in the first two
>>>> patches. This is probably becoming somewhat obsolete very soon (with
>>>> DM GPIO support on the list already), however I consider these two
>>>> patches as merely fixes for the existing driver to maintain bisectability.
>>>> It would make sense to merge the new DTs before the DM patches, so we
>>>> need to have something in place which works meanwhile.
>>>>
>>>> Let me know what you think.
>>>>
>>>> Cheers,
>>>> Andre.
>>>>
>>>> Andre Przywara (6):
>>>>   sunxi: GPIO: introduce sunxi_gpio_setup_dt_pins()
>>>>   net: sun8i-emac: use new, generic GPIO setup routine
>>>>   sunxi: dts: update sun50i-a64.dtsi from Linux
>>>>   sunxi: dts: update Pine64 .dts
>>>>   sunxi: dts: remove now obsolete pine64-common.dtsi
>>>>   sunxi: dts: add Bananapi M64 .dts
>>>
>>> Could we keep this simple, and just do a "sync with the kernel" commit for
>>> sun50i, which also keeps the sun8i-emac specific bits. And also explicitly
>>> mention the git commit or tag you are syncing to.
>>
>> So you mean to drop patch 1 and 2 and keep the old style pinctrl
>> bindings around for the EMAC node?
>> I can certainly do this (if others agree), but didn't want to dodge a
>> more proper solution in the first place.
>
> I've actually no preference on this. What I meant was you don't need
> four patches to do the sync-up, just one, i.e. copy sun50i*.{dts,dtsi}
> from the kernel, and patch back whatever the emac needs, since it's
> not in mainline yet.
>
> I guess you could update sun8i-emac to deal with generic pinconf,
> or update the gpio driver, but that would be a separate series.

Agree with ChenYu, and will update the status on this on patchwork as
"Superseded"

thanks!
-- 
Jagan Teki
Free Software Engineer | www.openedev.com
U-Boot, Linux | Upstream Maintainer
Hyderabad, India.