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@xxxxxx> > Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx> Reviewed-by: Manuel Traut <manuel.traut@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 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 >
