| Message ID | 20241031063004.69956-5-markus.burri@mt.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Input: matrix-keypad: Various performance improvements | expand |
On Thu, Oct 31, 2024 at 07:30:02AM +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: Manuel Traut <manuel.traut@mt.com> > Tested-by: HeDong Zhao <hedong.zhao@mt.com> How was a TXT binding tested? Both tags look fake, where were they given? > --- > Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt > index 570dc10..cf43fa0 100644 > --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt > +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt > @@ -24,6 +24,8 @@ Optional Properties: > - debounce-delay-ms: debounce interval in milliseconds > - col-scan-delay-us: delay, measured in microseconds, that is needed > before we can scan keypad after activating column gpio > +- all-cols-on-delay-us: delay, measured in microseconds, that is needed > + after activating all column gpios, default is no delay. Binding should be converted to DT schema first. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt index 570dc10..cf43fa0 100644 --- a/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt +++ b/Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt @@ -24,6 +24,8 @@ Optional Properties: - debounce-delay-ms: debounce interval in milliseconds - col-scan-delay-us: delay, measured in microseconds, that is needed before we can scan keypad after activating column gpio +- all-cols-on-delay-us: delay, measured in microseconds, that is needed + after activating all column gpios, default is no delay. - drive-inactive-cols: drive inactive columns during scan, default is to turn inactive columns into inputs.