[PATCH 1/2] dt-bindings: pwm: nxp,lpc32xx-pwm: Add optional Motor Control PWM interrupt

[Krzysztof Kozlowski]

On Sat, Jan 10, 2026 at 03:45:23AM +0200, Vladimir Zapolskiy wrote:
> NXP LPC32xx Motor Control PWM has an interrupt line shared with TIMER4,
> and the interrupt may be used to report events from programmable counters
> e.g. timer counter limit (period), match counter (pulse-width), or from
> counters on input lines of PWM channels.
> 
> As a reference and for more details see NXP LPC32xx User Manual, table 595.
> 
> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
> ---
>  .../devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml       | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml b/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
> index cdd83ac29caf..53520f005acb 100644
> --- a/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
> +++ b/Documentation/devicetree/bindings/pwm/nxp,lpc3220-pwm.yaml
> @@ -32,6 +32,16 @@ required:
>  
>  allOf:
>    - $ref: pwm.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - nxp,lpc3220-motor-pwm
> +    then:
> +      properties:
> +        interrupts:
> +          maxItems: 1

Properties must be defined in top-level. You only narrow constraints or
disallow them :false per variant in if:then: blocks.

Best regards,
Krzysztof