linux-kernel - [PATCH v4 10/11] arm64: tegra: set critical trips for Tegra210

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Message-ID: <1462776844-2152-11-git-send-email-wni@nvidia.com>
Date:	Mon, 9 May 2016 14:54:03 +0800
From:	Wei Ni <wni@...dia.com>
To:	<edubezval@...il.com>, <thierry.reding@...il.com>,
	<robh+dt@...nel.org>, <rui.zhang@...el.com>
CC:	<MLongnecker@...dia.com>, <swarren@...dotorg.org>,
	<mikko.perttunen@...si.fi>, <linux-tegra@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Wei Ni <wni@...dia.com>
Subject: [PATCH v4 10/11] arm64: tegra: set critical trips for Tegra210

Set general "critical" trip temperatures for cpu, gpu, mem and pllx
thermal zones on Tegra210, these trips can trigger shut down or reset.

Signed-off-by: Wei Ni <wni@...dia.com>
---
 arch/arm64/boot/dts/nvidia/tegra210.dtsi | 60 ++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
index 97d75149a1ac..e55589c8a561 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi
@@ -825,6 +825,21 @@
 
 			thermal-sensors =
 				<&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
+
+			trips {
+				cpu-shutdown-trip {
+					temperature = <102500>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				/*
+				 * There are currently no cooling maps,
+				 * because there are no cooling devices.
+				 */
+			};
 		};
 		mem {
 			polling-delay-passive = <0>;
@@ -832,6 +847,21 @@
 
 			thermal-sensors =
 				<&soctherm TEGRA124_SOCTHERM_SENSOR_MEM>;
+
+			trips {
+				mem-shutdown-trip {
+					temperature = <103000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				/*
+				 * There are currently no cooling maps,
+				 * because there are no cooling devices.
+				 */
+			};
 		};
 		gpu {
 			polling-delay-passive = <1000>;
@@ -839,6 +869,21 @@
 
 			thermal-sensors =
 				<&soctherm TEGRA124_SOCTHERM_SENSOR_GPU>;
+
+			trips {
+				gpu-shutdown-trip {
+					temperature = <103000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				/*
+				 * There are currently no cooling maps,
+				 * because there are no cooling devices.
+				 */
+			};
 		};
 		pllx {
 			polling-delay-passive = <0>;
@@ -846,6 +891,21 @@
 
 			thermal-sensors =
 				<&soctherm TEGRA124_SOCTHERM_SENSOR_PLLX>;
+
+			trips {
+				pllx-shutdown-trip {
+					temperature = <103000>;
+					hysteresis = <0>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				/*
+				 * There are currently no cooling maps,
+				 * because there are no cooling devices.
+				 */
+			};
 		};
 	};
 };
-- 
1.9.1