Hi Alim,
On 10/11/16 03:30, Alim Akhtar wrote:
> This patch adds ARM Performance Monitor Unit dt node for exynos7.
> PMU provides various statistics on the operation of the CPU and
> memory system at runtime, which are very useful when debugging or
> profiling code. This enables the same.
>
> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/exynos/exynos7.dtsi | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
> index e0d0d01..53ce4be 100644
> --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
> @@ -472,6 +472,14 @@
> status = "disabled";
> };
>
> + arm-pmu {
> + compatible = "arm,cortex-a57-pmu", "arm,armv8-pmuv3";
> + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
Per Documentation/devicetree/bindings/arm/pmu.txt there should also be
an "interrupt-affinity" property describing which SPI belongs to which core.
Robin.
> + };
> +
> timer {
> compatible = "arm,armv8-timer";
> interrupts = <GIC_PPI 13
>
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