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arm64: tegra: Add PMU on Tegra210

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The NVIDIA Tegra210 contains an ARM PMU v3 that can be used to gather
statistics about the processors and their memory system. Add a device
tree node so that this functionality can be exposed.

Reported-by: William Cohen <giantklein@gmail.com>
Tested-by: William Cohen <giantklein@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-10-29 12:25:45 +01:00
parent 24fc33633e
commit 264064ab0b
1 changed files with 10 additions and 0 deletions
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10
arch/arm64/boot/dts/nvidia/tegra210.dtsi
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@ -1439,6 +1439,16 @@
};
};
pmu {
compatible = "arm,armv8-pmuv3";
interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
interrupt-affinity = <&{/cpus/cpu@0} &{/cpus/cpu@1}
&{/cpus/cpu@2} &{/cpus/cpu@3}>;
};
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13