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Groups > linux.kernel > #1518672

[PATCH] arm64: dts: Add ARM PMU node for exynos7

From Alim Akhtar <alim.akhtar@samsung.com>
Newsgroups linux.kernel
Subject [PATCH] arm64: dts: Add ARM PMU node for exynos7
Date 2016-11-10 04:40 +0100
Message-ID <sBOnw-8pu-3@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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This patch adds ARM Performance Monitor Unit dt node for exynos7.
PMU provides various statistics on the operation of the CPU and
memory system at runtime, which are very useful when debugging or
profiling code. This enables the same.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
 arch/arm64/boot/dts/exynos/exynos7.dtsi |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
index e0d0d01..53ce4be 100644
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -472,6 +472,14 @@
 			status = "disabled";
 		};
 
+		arm-pmu {
+			compatible = "arm,cortex-a57-pmu", "arm,armv8-pmuv3";
+			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 		timer {
 			compatible = "arm,armv8-timer";
 			interrupts = <GIC_PPI 13
-- 
1.7.10.4

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[PATCH] arm64: dts: Add ARM PMU node for exynos7 Alim Akhtar <alim.akhtar@samsung.com> - 2016-11-10 04:40 +0100
  Re: [PATCH] arm64: dts: Add ARM PMU node for exynos7 Robin Murphy <robin.murphy@arm.com> - 2016-11-10 14:40 +0100
    Re: [PATCH] arm64: dts: Add ARM PMU node for exynos7 Alim Akhtar <alim.akhtar@samsung.com> - 2016-11-11 14:10 +0100

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