Re: [PATCH net-next 1/4] dt-bindings: leds: add 'active-high' property

[Krzysztof Kozlowski <krzk@kernel.org>]

On 05/10/2024 18:24, Daniel Golle wrote:
> Other than described in commit c94d1783136 ("dt-bindings: net: phy: Make
> LED active-low property common") the absence of the 'active-low'
> property means not to touch the polarity settings which are inherited
> from reset defaults, the bootloader or bootstrap configuration.
> Hence, in order to override a LED pin being active-high in case of the
> default, bootloader or bootstrap setting being active-low an additional
> property 'active-high' is required.
> Document that property and make it mutually exclusive to the existing
> 'active-low' property.
> 
> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
> ---
>  Documentation/devicetree/bindings/leds/common.yaml | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index bf9a101e4d42..7c3cd7b7412e 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -202,6 +202,12 @@ properties:
>        #trigger-source-cells property in the source node.
>      $ref: /schemas/types.yaml#/definitions/phandle-array
>  
> +  active-high:
> +    type: boolean
> +    description:
> +      Makes LED active high. To turn the LED ON, line needs to be
> +      set to high voltage instead of low.
> +
>    active-low:
>      type: boolean
>      description:
> @@ -225,6 +231,14 @@ properties:
>        Maximum timeout in microseconds after which the flash LED is turned off.
>        Required for flash LED nodes with configurable timeout.
>  
> +allOf:
> +  - if:
> +      required:
> +        - active-low
> +    then:
> +      properties:
> +        active-high: false

I read prior discussion, so indeed that is safest bet.

With the commit SHA fixed:

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof