32 lines
973 B
Diff
32 lines
973 B
Diff
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From 69e52712002cb6768b894cde9620fb426fd8728d Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <stefan.wahren@i2se.com>
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Date: Fri, 16 Mar 2018 21:49:37 +0100
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Subject: [PATCH] ARM: dts: bcm2837: Enable PMU on Raspberry Pi 3
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This enables the PMU (performance monitoring unit) on Raspberry Pi 3.
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In order to make it work on ARM and ARM64, we need to specify two
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compatible strings.
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Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
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---
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arch/arm/boot/dts/bcm2837.dtsi | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/arch/arm/boot/dts/bcm2837.dtsi b/arch/arm/boot/dts/bcm2837.dtsi
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index 7704bb029605..1f5e5c782835 100644
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--- a/arch/arm/boot/dts/bcm2837.dtsi
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+++ b/arch/arm/boot/dts/bcm2837.dtsi
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@@ -17,6 +17,12 @@
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};
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};
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+ arm-pmu {
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+ compatible = "arm,cortex-a53-pmu", "arm,cortex-a7-pmu";
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+ interrupt-parent = <&local_intc>;
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+ interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
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+ };
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+
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timer {
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compatible = "arm,armv7-timer";
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interrupt-parent = <&local_intc>;
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