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| author | Andreas Klinger <ak@it-klinger.de> | 2020-01-20 17:44:55 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-02-14 12:08:23 +0000 |
| commit | 66053d5d1b74be17b133775a4373888ba227e902 (patch) | |
| tree | f837a19e047c99f9fe8d7f9a9d84056a31da776e | |
| parent | 9960c70949d4356abed8747a20637e0946bb0bad (diff) | |
dt-bindings: devantech-srf04.yaml: add pm feature
Add GPIO line and startup time for usage of power management
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml | 18 |
1 files changed, 18 insertions, 0 deletions
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 |