| Message ID | 1573756521-27373-6-git-send-email-ilina@codeaurora.org |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | None | expand |
Quoting Lina Iyer (2019-11-14 10:35:14) > 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@vger.kernel.org > Signed-off-by: Lina Iyer <ilina@codeaurora.org> > Reviewed-by: Rob Herring <robh@kernel.org> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 4a3ee25..4ebfa00 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -108,3 +108,15 @@ 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>;