The following commit has been merged into the irq/core branch of tip: Commit-ID: 09d31567f85b6cd0eddf28d90f7b83be09ee282b Gitweb: https://git.kernel.org/tip/09d31567f85b6cd0eddf28d90f7b83be09ee282b Author: Lina Iyer <ilina@xxxxxxxxxxxxxx> AuthorDate: Fri, 15 Nov 2019 15:11:48 -07:00 Committer: Marc Zyngier <maz@xxxxxxxxxx> CommitterDate: Sat, 16 Nov 2019 10:20:02 of/irq: Document properties for wakeup interrupt 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. Add wakeup-parent DT property to refer to these interrupt controllers. Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> Link: https://lore.kernel.org/r/1573855915-9841-6-git-send-email-ilina@xxxxxxxxxxxxxx --- Documentation/devicetree/bindings/interrupt-controller/interrupts.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) 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>;
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