[U-Boot] [PATCH v2 0/6] sunxi: update sun8i-emac driver and A64 DTs

Jagan Teki jagannadh.teki at gmail.com
Fri Aug 25 16:42:49 UTC 2017

On Mon, Jul 24, 2017 at 4:26 AM, Andre Przywara <andre.przywara at arm.com> wrote:
> This patch set updates the latest device trees for Allwinner A64 based
> boards from Linux. In contrast to v1 I now took the actual 4.13-rc1 DTs
> from Linux, which restructures the patch set a bit.
> The big advantage of having the very same DTs in U-Boot
> is that we can use UEFI boot much more easily, because U-Boot can just
> pass on its own DT, without having to find and load some external version.
> This makes UEFI based installers boot out of the box, which is a big relief.
> Linux 4.13-rc1 saw the addition of the sun8i-emac Ethernet driver, for
> which U-Boot has a driver for quite a while, but with a slightly different
> binding, so this series makes it compatible.
> Patch 1/6 adds some missing compatible strings, it was on the list before,
> but I add it to this series because it is a prerequisite for the following
> patches. Patches 2 till 4 add some code to be able to parse the new pinctrl
> bindings that newer Allwinner DTs use.
> Patch 5 extends U-Boot sun8i-emac driver to be able to properly parse the
> DT binding used by the new Linux driver as well.
> Patch 6 then actually replaces the DTs for A64 boards with the exact version
> as of the Linux tree (v4.13-rc1).
> This allows us to *almost* get rid of out *-u-boot.dtsi kludge, but we
> still need the alias, which the Linux version doesn't have, so this file
> still contains this one line, effectively.
> I am still not convinced that having a full featured pinctrl driver in
> U-Boot is the right thing, so I cheekily ignore this part of the comments.
> If people consider this a requirement, we can have a look at this, but
> I don't see any reply since the first patch was posted some months ago,
> so I guess this takes much more time.
> Also my apologies for not having looked at the syscon driver change Simon
> asked. It looks like a reasonable change, but I am about to leave for
> holidays and didn't want to postpone an updated version any longer.
> Cheers,
> Andre.
> Andre Przywara (6):
>   sunxi: gpio: add missing compatible strings
>   libfdt: add fdtdec_lookup_phandle_index()
>   sunxi: GPIO: introduce sunxi_gpio_setup_dt_pins()
>   net: sun8i-emac: use new, generic GPIO setup routine
>   net: sun8i-emac: add support for new DT binding
>   sunxi: A64: update Linux DTs

This series look OK, to me. Will test emac and update. Meanwhile any
comments please let me know.

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

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