[PATCH v4 1/3] dt-bindings: pwm: Add binding for Allwinner D1/T113-S3/R329 PWM controller

Rob Herring robh at kernel.org
Thu Aug 10 14:20:54 PDT 2023


On Thu, Aug 10, 2023 at 10:21:30AM -0600, Rob Herring wrote:
> 
> On Thu, 10 Aug 2023 17:54:26 +0300, Aleksandr Shubin wrote:
> > Allwinner's D1, T113-S3 and R329 SoCs have a new pwm
> > controller witch is different from the previous pwm-sun4i.
> > 
> > The D1 and T113 are identical in terms of peripherals,
> > they differ only in the architecture of the CPU core, and
> > even share the majority of their DT. Because of that,
> > using the same compatible makes sense.
> > The R329 is a different SoC though, and should have
> > a different compatible string added, especially as there
> > is a difference in the number of channels.
> > 
> > D1 and T113s SoCs have one PWM controller with 8 channels.
> > R329 SoC has two PWM controllers in both power domains, one of
> > them has 9 channels (CPUX one) and the other has 6 (CPUS one).
> > 
> > Add a device tree binding for them.
> > 
> > Signed-off-by: Aleksandr Shubin <privatesub2 at gmail.com>
> > ---
> >  .../bindings/pwm/allwinner,sun20i-pwm.yaml    | 86 +++++++++++++++++++
> >  1 file changed, 86 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/pwm/allwinner,sun20i-pwm.yaml
> > 
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> 
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230810145443.1053387-2-privatesub2@gmail.com

The bot was having an issue. This can be ignored.

Rob



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