On Thu, Jan 02, 2020 at 06:27:51PM +0100, Andreas Klinger wrote: > Add GPIO line and startup time for usage of power management > > Signed-off-by: Andreas Klinger <ak@xxxxxxxxxxxxx> > --- > .../bindings/iio/proximity/devantech-srf04.yaml | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > index 4e80ea7c1475..b3fcb3b79485 100644 > --- a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > +++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml > @@ -51,6 +51,22 @@ 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: Why isn't this implied by the compatible string? > + $ref: /schemas/types.yaml#/definitions/uint32 You can drop this for standard units. 0-2^32 is valid? > + description: > + This is the startup time the device needs after a resume to be up and > + running. > + > required: > - compatible > - trig-gpios > -- > 2.11.0
