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Diffstat (limited to 'Documentation/devicetree/bindings/arm/samsung/pmu.txt')
| -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"; |