The "ctirical" 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@xxxxxxxxxx>
---
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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