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| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-03-11 16:44:53 +0100 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2015-03-18 18:37:13 +0100 |
| commit | d4ad0759cdb1c2d0971801f8876365dddea56695 (patch) | |
| tree | e6a6a5f7d9b5e41c09ce80b080020bd5753c0dc5 /Documentation | |
| parent | ARM: exynos4/5: convert pmu wakeup to stacked domains (diff) | |
| download | linux-d4ad0759cdb1c2d0971801f8876365dddea56695.tar.xz linux-d4ad0759cdb1c2d0971801f8876365dddea56695.zip | |
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 <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088693-15724-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/arm/samsung/pmu.txt | 17 |
1 files changed, 17 insertions, 0 deletions
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"; |