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| author |   Thierry Reding <treding@nvidia.com> | 2019-10-29 12:25:45 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2019-10-29 20:30:08 +0100 |
| commit | 264064ab0b5cf30a1faf06696acc174e224e64a9 (patch) | |
| tree | 1b0ae478d8cfcdf3104ef1fec861e3b9ae73621d /arch/arm64/boot/dts/nvidia/tegra210.dtsi | |
| parent | arm64: tegra: Add blank lines for better readability (diff) | |
| download | linux-dev-264064ab0b5cf30a1faf06696acc174e224e64a9.tar.xz linux-dev-264064ab0b5cf30a1faf06696acc174e224e64a9.zip | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/nvidia/tegra210.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra210.dtsi | 10 |
1 files changed, 10 insertions, 0 deletions
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 = <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 |