From 264064ab0b5cf30a1faf06696acc174e224e64a9 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Tue, 29 Oct 2019 12:25:45 +0100 Subject: 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 Tested-by: William Cohen Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'arch/arm64/boot/dts/nvidia/tegra210.dtsi') diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index aac7f3efee16..7832a3ea79c8 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1439,6 +1439,16 @@ }; }; + pmu { + compatible = "arm,armv8-pmuv3"; + interrupts = , + , + , + ; + interrupt-affinity = <&{/cpus/cpu@0} &{/cpus/cpu@1} + &{/cpus/cpu@2} &{/cpus/cpu@3}>; + }; + timer { compatible = "arm,armv8-timer"; interrupts =