Re: [PATCH v2 4/7] dt-bindings: input: matrix_keypad - add missing property
From: Conor Dooley
Date: Tue Nov 05 2024 - 13:22:50 EST
On Tue, Nov 05, 2024 at 02:03:19PM +0100, Markus Burri wrote:
> Add missing property 'gpio-activelow' to DT schema.
What do you mean "missing property"? Why isn't it sufficient to mark the
GPIOs as GPIO_ACTIVE_LOW in the various -gpios properties?
>
> Signed-off-by: Markus Burri <markus.burri@xxxxxx>
> ---
> .../devicetree/bindings/input/gpio-matrix-keypad.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> index 745652b..9ea66b3 100644
> --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> @@ -51,6 +51,11 @@ properties:
> (Legacy property supported: "linux,wakeup")
> default: false
>
> + gpio-activelow:
> + type: boolean
> + description: The GPIOs are low active.
> + default: false
What you want is a flag, not a boolean here btw. Flags you can check for
the presence of, booleans you cannot.
> +
> debounce-delay-ms:
> description: Debounce interval in milliseconds.
> default: 0
> --
> 2.39.5
>
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