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Date: Sun, 2 Feb 2020 17:24:26 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Andreas Klinger <ak@...klinger.de>
Cc: robh+dt@...nel.org, mark.rutland@....com, knaack.h@....de,
lars@...afoo.de, pmeerw@...erw.net, rpi-receiver@...-steyr.ac.at,
linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/2] dt-bindings: devantech-srf04.yaml: add pm
feature
On Mon, 20 Jan 2020 17:44:55 +0100
Andreas Klinger <ak@...klinger.de> wrote:
> Add GPIO line and startup time for usage of power management
>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Andreas Klinger <ak@...klinger.de>
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
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