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@xxxxxx> > --- > .../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 >
