summaryrefslogtreecommitdiffstats
path: root/arch/arm64/boot/dts/nvidia
diff options
context:
space:
mode:
authorThierry Reding <treding@nvidia.com>2019-10-29 12:25:45 +0100
committerThierry Reding <treding@nvidia.com>2019-10-29 20:30:08 +0100
commit264064ab0b5cf30a1faf06696acc174e224e64a9 (patch)
tree1b0ae478d8cfcdf3104ef1fec861e3b9ae73621d /arch/arm64/boot/dts/nvidia
parent24fc33633ea327f7887046bc9537a2ce8cddac53 (diff)
downloadlinux-264064ab0b5cf30a1faf06696acc174e224e64a9.tar.bz2
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')
-rw-r--r--arch/arm64/boot/dts/nvidia/tegra210.dtsi10
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