linux-kernel - [PATCH] ARM: DTS: AM33XX: Add PMU support

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Message-Id: <1375552854-8468-1-git-send-email-alexandre.belloni@free-electrons.com>
Date:	Sat,  3 Aug 2013 20:00:54 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Benoit Cousson <benoit.cousson@...aro.org>
Cc:	Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-omap@...r.kernel.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH] ARM: DTS: AM33XX: Add PMU support

ARM Performance Monitor Units are available on the am33xx, add the support in
the dtsi.

Tested with perf and oprofile on a regular beaglebone.

Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
 arch/arm/boot/dts/am33xx.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 38b446b..cfeac96 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -53,6 +53,11 @@
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a8-pmu";
+		interrupts = <3>;
+	};
+
 	/*
 	 * The soc node represents the soc top level view. It is uses for IPs
 	 * that are not memory mapped in the MPU view or for the MPU itself.
-- 
1.8.1.2

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