Commit 264064ab authored Oct 29, 2019 by Thierry Reding

arm64: tegra: Add PMU on Tegra210



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>

parent 24fc3363

arch/arm64/boot/dts/nvidia/tegra210.dtsi

+10 −0

Original line number	Diff line number	Diff line
		@@ -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

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