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