Re: [PATCH v4 1/2] dt-bindings: pwm: dwc: add reset optional

[Conor Dooley]

On Wed, Apr 15, 2026 at 05:50:20PM +0800, dongxuyang@xxxxxxxxxxxxxxxxxx wrote:
> From: Xuyang Dong <dongxuyang@xxxxxxxxxxxxxxxxxx>
> 
> The DesignWare PWM includes separate reset signals dedicated to each clock
> domain:
> The presetn signal resets logic in pclk domain.
> The timer_N_resetn signal resets logic in the timer_N_clk domain.
> The resets are active-low.
> 
> Signed-off-by: Xuyang Dong <dongxuyang@xxxxxxxxxxxxxxxxxx>

This commit implies that your hardware differs from existing devices,
I think you should add a device-specific compatible.

> ---
>  .../devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml       | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml
> index 7523a89a1773..a8bbad0360f8 100644
> --- a/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml
> +++ b/Documentation/devicetree/bindings/pwm/snps,dw-apb-timers-pwm2.yaml
> @@ -43,6 +43,9 @@ properties:
>        - const: bus
>        - const: timer
>  
> +  resets:
> +    maxItems: 2
> +
>    snps,pwm-number:
>      $ref: /schemas/types.yaml#/definitions/uint32
>      description: The number of PWM channels configured for this instance
> -- 
> 2.34.1
>

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