Re: [PATCH v5 5/7] dt-bindings: input: matrix_keypad - add settle time after enable all columns

Manuel Traut
2025-02-19T16:42:39Z

On Fri, Jan 10, 2025 at 06:49:04AM +0100, Markus Burri wrote:
> Matrix_keypad with high capacity need a longer settle time after enable
> all columns.
> Add optional property to specify the settle time
>
> Signed-off-by: Markus Burri <markus.burri@mt.com>
> Reviewed-by: Rob Herring (Arm) <robh@kernel.org>

Reviewed-by: Manuel Traut <manuel.traut@mt.com>

> ---
> .../devicetree/bindings/input/gpio-matrix-keypad.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> index 9c91224..dc08d39 100644
> --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> @@ -57,6 +57,12 @@ properties:
> before we can scan keypad after activating column gpio.
> default: 0
>
> + all-cols-on-delay-us:
> + description:
> + Delay, measured in microseconds, that is needed
> + after activating all column gpios.
> + default: 0
> +
> drive-inactive-cols:
> type: boolean
> description:
> --
> 2.39.5
>