linux-kernel - [PATCH v2] ARM: tegra124: pmu support

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Message-Id: <1434393968-1105-1-git-send-email-khuey@kylehuey.com>
Date:	Mon, 15 Jun 2015 11:46:08 -0700
From:	Kyle Huey <me@...ehuey.com>
To:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	Jon Hunter <jonathanh@...dia.com>, Kyle Huey <khuey@...ehuey.com>
Subject: [PATCH v2] ARM: tegra124: pmu support

This patch modifies the device tree for tegra124 based devices to enable the Cortex A15 PMU.  The interrupt numbers are taken from NVIDIA TRM DP-06905-001_v03p.  This patch was tested on a Jetson TK1.

Signed-off-by: Kyle Huey <khuey@...ehuey.com>
---
 arch/arm/boot/dts/tegra124.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 4be06c6..d966d4e 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -906,16 +906,24 @@
 
 		cpu@3 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <3>;
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a15-pmu";
+		interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
 	thermal-zones {
 		cpu {
 			polling-delay-passive = <1000>;
 			polling-delay = <1000>;
 
 			thermal-sensors =
 				<&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
 		};
-- 
1.9.1

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