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

[Andre Przywara <andre.przywara@arm.com>]

Hi,

On 27/02/17 03:30, Chen-Yu Tsai wrote:
> On Mon, Feb 27, 2017 at 8:26 AM, Andre Przywara <andre.przywara@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 the current device tree files for the A64 SoC and its board are outdated.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.

Another alternative would be to squash the functionality of patch 1
directly into sun8i_emac.c, so without the moving to pinmux.c. This
would mean dropping patch 1/6 and just having a fix for the sun8i_emac.

Let me know what's the preferred solution here.

Cheers,
Andre.

>>  arch/arm/dts/Makefile                      |   3 +-
>>  arch/arm/dts/sun50i-a64-bananapi-m64.dts   | 135 +++++++
>>  arch/arm/dts/sun50i-a64-pine64-common.dtsi |  93 -----
>>  arch/arm/dts/sun50i-a64-pine64-plus.dts    |  16 +-
>>  arch/arm/dts/sun50i-a64-pine64.dts         |  72 +++-
>>  arch/arm/dts/sun50i-a64.dtsi               | 615 +++++++++--------------------
>>  arch/arm/include/asm/arch-sunxi/gpio.h     |   4 +
>>  arch/arm/mach-sunxi/pinmux.c               |  77 ++++
>>  drivers/net/sun8i_emac.c                   |  38 +-
>>  include/dt-bindings/clock/sun50i-a64-ccu.h | 134 +++++++
>>  include/dt-bindings/reset/sun50i-a64-ccu.h |  98 +++++
>>  11 files changed, 706 insertions(+), 579 deletions(-)
>>  create mode 100644 arch/arm/dts/sun50i-a64-bananapi-m64.dts
>>  delete mode 100644 arch/arm/dts/sun50i-a64-pine64-common.dtsi
>>  create mode 100644 include/dt-bindings/clock/sun50i-a64-ccu.h
>>  create mode 100644 include/dt-bindings/reset/sun50i-a64-ccu.h
>>
>> --
>> 2.8.2
>>