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arm: dts: mt7623: add a performance counter unit device node

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Add ARM PMU device node to enable hardware perf events.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Ryder Lee
2018-09-05 18:22:17 +08:00
committed by Matthias Brugger
parent 5b394b2ddf
commit 266c820f30
1 changed files with 9 additions and 0 deletions
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9
arch/arm/boot/dts/mt7623.dtsi
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@@ -121,6 +121,15 @@ cpu3: cpu@3 {
};
};
pmu {
compatible = "arm,cortex-a7-pmu";
interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>;
interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
};
system_clk: dummy13m {
compatible = "fixed-clock";
clock-frequency = <13000000>;