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ARM: tegra: Add Tegra124 PMU support 

This patch modifies the device tree for Tegra124 based devices to enable
the Cortex A15 PMU. The interrupt numbers are taken from NVIDIA Tegra K1
TRM (DP-06905-001_v03p). This patch was tested on a Jetson TK1.

Signed-off-by: Kyle Huey <khuey@kylehuey.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
hifive-unleashed-5.1
Kyle Huey 2015-07-13 10:35:45 -07:00 committed by Thierry Reding
parent 21fa196fc0
commit 82fe42f5d7
1 changed files with 12 additions and 0 deletions
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12
arch/arm/boot/dts/tegra124.dtsi
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@ -980,6 +980,18 @@
};
};
pmu {
compatible = "arm,cortex-a15-pmu";
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}>;
};
thermal-zones {
cpu {
polling-delay-passive = <1000>;