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