[PATCH v13 1/3] dt-bindings: pwm: Add binding for Allwinner D1/T113-S3/R329 PWM controller
Rob Herring (Arm)
robh at kernel.org
Thu Mar 5 15:50:30 PST 2026
On Sat, 21 Feb 2026 21:35:51 +0300, Aleksandr Shubin wrote:
> Allwinner's D1, T113-S3 and R329 SoCs have a new pwm
> controller which 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-d1-pwm.yaml | 74 +++++++++++++++++++
> 1 file changed, 74 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pwm/allwinner,sun20i-d1-pwm.yaml
>
Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
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