diff mbox series

[v3,1/2] dt-bindings: devantech-srf04.yaml: add pm feature

Message ID 20200120164454.GA8716@arbad (mailing list archive)
State New, archived
Headers show
Series iio: srf04: add support for power management | expand

Commit Message

Andreas Klinger Jan. 20, 2020, 4:44 p.m. UTC 
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>
---
 .../iio/proximity/devantech-srf04.yaml         | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Comments

Jonathan Cameron Feb. 2, 2020, 5:24 p.m. UTC | #1 
On Mon, 20 Jan 2020 17:44:55 +0100
Andreas Klinger <ak@it-klinger.de> wrote:

> 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>
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
diff mbox series

Patch

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