From: Thierry Reding <treding@xxxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra210.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
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
--
2.23.0
