Re: [PATCH 1/4] dt-bindings: leds: Document "gpio" trigger

Heiko Stuebner <[email protected]> Wed, 15 Jul 2026 21:39:43 +0200
Newsgroups org.kernel.vger.linux-leds,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-rockchip,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <5188715.0VBMTVartN@phil>
Hi Samuel,

Am Samstag, 11. Juli 2026, 21:28:25 Mitteleuropäische Sommerzeit schrieb Samuel Holland:
> The "gpio" trigger is used to control LEDs by the level of a GPIO input
> referenced by the trigger-sources property. This is already documented
> in the trigger-sources property description and is used in at least one
> devicetree (am335x-regor.dtsi). Document it so validation of those and
> future DTs will pass.
> 
> Signed-off-by: Samuel Holland <[email protected]>

having Lee only in Cc in a longer patch series might make it difficult
to notice this change.

I guess this patch needs to be applied or at least "Acked-by" by them.


Heiko

> ---
> 
>  Documentation/devicetree/bindings/leds/common.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
> index f4e44b33f56d..e148b4277a6f 100644
> --- a/Documentation/devicetree/bindings/leds/common.yaml
> +++ b/Documentation/devicetree/bindings/leds/common.yaml
> @@ -106,6 +106,8 @@ properties:
>            - bluetooth-power
>              # LED indicates camera flash state
>            - flash
> +            # LED indicates level of GPIO input referenced by trigger-sources
> +          - gpio
>              # LED indicated keyboard capslock
>            - kbd-capslock
>              # LED indicates MTD memory activity
>