| Message ID | 20200109083814.GA5368@arbad (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iio: srf04: add support for power management | expand |
On Thu, 9 Jan 2020 09:38:16 +0100, Andreas Klinger wrote: > Add GPIO line and startup time for usage of power management > > Signed-off-by: Andreas Klinger <ak@it-klinger.de> > --- > .../iio/proximity/devantech-srf04.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
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
Add GPIO line and startup time for usage of power management Signed-off-by: Andreas Klinger <ak@it-klinger.de> --- .../iio/proximity/devantech-srf04.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)