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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>
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@ -51,6 +51,24 @@ properties:
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the time between two interrupts is measured in the driver.
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maxItems: 1
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power-gpios:
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description:
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Definition of the GPIO for power management of connected peripheral
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(output).
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This GPIO can be used by the external hardware for power management.
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When the device gets suspended it's switched off and when it resumes
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it's switched on again. After some period of inactivity the driver
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get suspended automatically (autosuspend feature).
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maxItems: 1
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startup-time-ms:
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description:
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This is the startup time the device needs after a resume to be up and
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running.
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minimum: 0
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maximum: 1000
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default: 100
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required:
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- compatible
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- trig-gpios
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