From d4ad0759cdb1c2d0971801f8876365dddea56695 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 11 Mar 2015 15:44:53 +0000 Subject: DT: exynos: update PMU binding Document the fact that some Exynos PMUs are capable of acting as an interrupt controller. Signed-off-by: Marc Zyngier Link: https://lkml.kernel.org/r/1426088693-15724-3-git-send-email-marc.zyngier@arm.com Signed-off-by: Jason Cooper --- Documentation/devicetree/bindings/arm/samsung/pmu.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt index 67b211381f2b..2d6356d8daf4 100644 --- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt @@ -29,10 +29,27 @@ Properties: - clocks : list of phandles and specifiers to all input clocks listed in clock-names property. +Optional properties: + +Some PMUs are capable of behaving as an interrupt controller (mostly +to wake up a suspended PMU). In which case, they can have the +following properties: + +- interrupt-controller: indicate that said PMU is an interrupt controller + +- #interrupt-cells: must be identical to the that of the parent interrupt + controller. + +- interrupt-parent: a phandle indicating which interrupt controller + this PMU signals interrupts to. + Example : pmu_system_controller: system-controller@10040000 { compatible = "samsung,exynos5250-pmu", "syscon"; reg = <0x10040000 0x5000>; + interrupt-controller; + #interrupt-cells = <3>; + interrupt-parent = <&gic>; #clock-cells = <1>; clock-names = "clkout0", "clkout1", "clkout2", "clkout3", "clkout4", "clkout8", "clkout9"; -- cgit