[PATCH v2 0/4] drivers: pwm: sun4i: Improve support for A64 SoCs

[Thierry Reding]

On Sun, Mar 18, 2018 at 11:28:43PM +0000, Andre Przywara wrote:
> A rework addressing the comments. I dropped the H6 and the reset support
> for now, to simplify merging this series.
> 
> This series adds PWM support for new Allwinner SoCs. Actually the A64 PWM 
> is fully compatible with the A13 and H3 PWM IP, so the driver does not
> need any additional code. But I use this opportunity to provide some
> cleanup.
> Patch 1 removes a no longer used parameter from our per-SoC data structure,
> to simplify patch 2, which groups SoCs with a compatible PWM controller.
> Patch 3 adds the new compatible strings to the binding documentation
> (and just there, we expect to use "allwinner,sun5i-a13-pwm" as a fallback
> compatible string).
> The final patch 4 adds the respective PWM nodes to the A64 .dtsi.
> This eventually does not enable the PWM on any new board at the moment, as
> the PWM pins are either not usable (muxed with Ethernet) or exposed on
> a header pin not dedicated to PWM. But the Pinebook (and Teres I) should be
> able to use the PWM for the LCD backlights, plus users can enable the
> R_PWM on their Pine64 boards, if they like.
> 
> Tested by manually enabling r_pwm on a Pine64-LTS.
> 
> Cheers,
> Andre.
> 
> Andre Przywara (4):
>   pwm: sun4i: drop unused .has_rdy member
>   pwm: sun4i: simplify controller mapping
>   dt-bindings: pwm: sunxi: add new compatible strings
>   dts: sunxi: A64: Add PWM controllers
> 
>  .../devicetree/bindings/pwm/pwm-sun4i.txt          |  2 ++
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      | 28 +++++++++++++++++++
>  drivers/pwm/pwm-sun4i.c                            | 32 ++++++----------------
>  3 files changed, 38 insertions(+), 24 deletions(-)

Applied patches 1-3, thanks.

Thierry
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