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Message-ID: <1457665860-30003-1-git-send-email-wni@nvidia.com>
Date:	Fri, 11 Mar 2016 11:11:00 +0800
From:	Wei Ni <wni@...dia.com>
To:	<rui.zhang@...el.com>, <edubezval@...il.com>,
	<thierry.reding@...il.com>
CC:	<MLongnecker@...dia.com>, <swarren@...dotorg.org>,
	<mikko.perttunen@...si.fi>, <linux-tegra@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Wei Ni <wni@...dia.com>
Subject: [PATCH V7 08/12] of: add notes of critical trips for soctherm

The "critical" type trip in thermal zone can be
set to SOC_THERM hardware, it can trigger shut down
or reset event from hardware.

Signed-off-by: Wei Ni <wni@...dia.com>
Acked-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/thermal/tegra-soctherm.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
index 6b68cd150405..351a7376baa8 100644
--- a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
+++ b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
@@ -26,6 +26,10 @@ Required properties :
     of this property. See <dt-bindings/thermal/tegra124-soctherm.h> for a
     list of valid values when referring to thermal sensors.
 
+Note:
+- the "critical" type trip points will be set to SOC_THERM hardware as the
+shut down temperature. Once the temperature of this thermal zone is higher
+than it, the system will be shutdown or reset by hardware.
 
 Example :
 
@@ -51,5 +55,13 @@ Example: referring to thermal sensors :
 
                         thermal-sensors =
                                 <&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
+
+			trips {
+				cpu_shutdown_trip: shutdown-trip {
+					temperature = <102500>;
+					hysteresis = <1000>;
+					type = "critical";
+				};
+			};
                 };
 	};
-- 
1.9.1

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