Re: [PATCH RFC v2 05/14] of: irq: document properties for wakeup interrupt parent
From: Doug Anderson
Date: Fri Nov 08 2019 - 16:29:34 EST
Hi,
On Fri, Sep 13, 2019 at 3:00 PM Lina Iyer <ilina@xxxxxxxxxxxxxx> wrote:
>
> Some interrupt controllers in a SoC, are always powered on and have a
> select interrupts routed to them, so that they can wakeup the SoC from
> suspend. Add wakeup-parent DT property to refer to these interrupt
> controllers.
>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> .../devicetree/bindings/interrupt-controller/interrupts.txt | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> index 8a3c408..c10e310 100644
> --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> @@ -108,3 +108,16 @@ commonly used:
> sensitivity = <7>;
> };
> };
> +
> +3) Interrupt wakeup parent
> +--------------------------
> +
> +Some interrupt controllers in a SoC, are always powered on and have a select
> +interrupts routed to them, so that they can wakeup the SoC from suspend. These
> +interrupt controllers do not fall into the category of a parent interrupt
> +controller and can be specified by the "wakeup-parent" property and contain a
> +single phandle referring to the wakeup capable interrupt controller.
> +
> + Example:
> + wakeup-parent = <&pdc_intc>;
> +
nit: git flags the above line as whitespace damage. Please remove
if/when you spin.
Thanks!
-Doug