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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@nvidia.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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@ -26,6 +26,10 @@ Required properties :
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of this property. See <dt-bindings/thermal/tegra124-soctherm.h> for a
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list of valid values when referring to thermal sensors.
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Note:
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- the "critical" type trip points will be set to SOC_THERM hardware as the
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shut down temperature. Once the temperature of this thermal zone is higher
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than it, the system will be shutdown or reset by hardware.
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Example :
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@ -51,5 +55,13 @@ Example: referring to thermal sensors :
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thermal-sensors =
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<&soctherm TEGRA124_SOCTHERM_SENSOR_CPU>;
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trips {
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cpu_shutdown_trip: shutdown-trip {
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temperature = <102500>;
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hysteresis = <1000>;
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type = "critical";
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};
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};
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};
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};
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