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36 lines
1 KiB
Diff
36 lines
1 KiB
Diff
From 687aeb6d2f7e36d8fffc23b5d767110b79beda59 Mon Sep 17 00:00:00 2001
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From: Ryder Lee <ryder.lee@mediatek.com>
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Date: Wed, 5 Sep 2018 18:22:17 +0800
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Subject: [PATCH 39/77] arm: dts: mt7623: add a performance counter unit device
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node
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Add ARM PMU device node to enable hardware perf events.
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Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
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---
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arch/arm/boot/dts/mt7623.dtsi | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
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index af6b6228f8a8..d009b50f917e 100644
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--- a/arch/arm/boot/dts/mt7623.dtsi
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+++ b/arch/arm/boot/dts/mt7623.dtsi
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@@ -121,6 +121,15 @@
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};
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};
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+ pmu {
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+ compatible = "arm,cortex-a7-pmu";
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+ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>,
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+ <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>,
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+ <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>,
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+ <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>;
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+ interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
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+ };
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+
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system_clk: dummy13m {
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compatible = "fixed-clock";
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clock-frequency = <13000000>;
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--
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2.19.1
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