On Tue, Nov 05, 2024 at 02:03:20PM +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>
> ---
> .../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 9ea66b3..0ce89a6 100644
> --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml
> @@ -66,6 +66,12 @@ properties:
> before we can scan keypad after activating column gpio.
> default: 0
>
> + all-cols-on-delay-us:
> + description: |
Don't need '|'.
> + Delay, measured in microseconds, that is needed
> + after activating all column gpios.
Wrap at 80 char.
> + default: 0
> +
> drive-inactive-cols:
> type: boolean
> description: |
> --
> 2.39.5
>