[PATCH v4 16/21] DT: exynos: update PMU binding
Pankaj Dubey
pankaj.dubey at samsung.com
Mon Jan 19 23:47:00 PST 2015
Hi Marc,
On Monday 19 January 2015 03:14 PM, Marc Zyngier wrote:
> Document the fact that some Exynos PMUs are capable of acting as
> an interrupt controller.
>
> Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
> ---
> Documentation/devicetree/bindings/arm/samsung/pmu.txt | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> index 1e1979b..d698e74 100644
> --- a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> @@ -28,10 +28,23 @@ 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
> +
Need to add #interrupt-cells property here.
> +- interrupt-parent: a phandle indicating which interrupt controller
> + this PMU signals interrupts to.
> +
> Example :
> pmu_system_controller: system-controller at 10040000 {
> compatible = "samsung,exynos5250-pmu", "syscon";
> reg = <0x10040000 0x5000>;
> + interrupt-controller;
> + interrupt-parent = <&gic>;
> #clock-cells = <1>;
> clock-names = "clkout0", "clkout1", "clkout2", "clkout3",
> "clkout4", "clkout8", "clkout9";
>
Thanks,
Pankaj Dubey
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