Commit 18af63b3 authored Sep 13, 2019 by Lina Iyer Committed by Todd Kjos Oct 24, 2019

FROMLIST: 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.

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>

BUG: 141169320
TEST: Build and boot

Change-Id: Idf50e6db657e9d08e369878c261c0d781523ce35
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
Link: https://patchwork.kernel.org/patch/11145359

parent 736036d7

Documentation/devicetree/bindings/interrupt-controller/interrupts.txt

+12 −0

Original line number	Diff line number	Diff line
		@@ -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>;