On Mon, 20 Jan 2020 17:44:55 +0100 Andreas Klinger <ak@xxxxxxxxxxxxx> wrote: > Add GPIO line and startup time for usage of power management > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Andreas Klinger <ak@xxxxxxxxxxxxx> Applied to the togreg branch of iio.git and pushed out as testing for the autobuilders to poke at it. Thanks, Jonathan > --- > .../iio/proximity/devantech-srf04.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > index 4e80ea7c1475..8afbac24c34e 100644 > --- a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > +++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > @@ -51,6 +51,24 @@ properties: > the time between two interrupts is measured in the driver. > maxItems: 1 > > + power-gpios: > + description: > + Definition of the GPIO for power management of connected peripheral > + (output). > + This GPIO can be used by the external hardware for power management. > + When the device gets suspended it's switched off and when it resumes > + it's switched on again. After some period of inactivity the driver > + get suspended automatically (autosuspend feature). > + maxItems: 1 > + > + startup-time-ms: > + description: > + This is the startup time the device needs after a resume to be up and > + running. > + minimum: 0 > + maximum: 1000 > + default: 100 > + > required: > - compatible > - trig-gpios
