linux-kernel - [PATCH 3/6] ARM: tegra: Add thermal trip points for Jetson TK1

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Message-ID: <1403856699-2140-4-git-send-email-mperttunen@nvidia.com>
Date:	Fri, 27 Jun 2014 11:11:36 +0300
From:	Mikko Perttunen <mperttunen@...dia.com>
To:	<rui.zhang@...el.com>, <edubezval@...il.com>,
	<swarren@...dotorg.org>, <thierry.reding@...il.com>,
	<pdeschrijver@...dia.com>, <mlongnecker@...dia.com>
CC:	<linux-pm@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Mikko Perttunen <mperttunen@...dia.com>
Subject: [PATCH 3/6] ARM: tegra: Add thermal trip points for Jetson TK1

This adds critical trip points to the Jetson TK1 device tree.
The device will do a controlled shutdown when either the CPU, GPU
or MEM thermal zone reaches 101 degrees Celsius.

Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
---
 arch/arm/boot/dts/tegra124-jetson-tk1.dts | 32 +++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 16082c0..c319443 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1825,4 +1825,36 @@
 			 <&tegra_car TEGRA124_CLK_EXTERN1>;
 		clock-names = "pll_a", "pll_a_out0", "mclk";
 	};
+
+	thermal-zones {
+		cpu {
+			trips {
+				cpu-critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		mem {
+			trips {
+				mem-critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+
+		gpu {
+			trips {
+				gpu-critical {
+					temperature = <101000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+		};
+	};
 };
-- 
1.8.1.5

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