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Commit 4d44cd4a authored by Wei Ni's avatar Wei Ni Committed by Eduardo Valentin
Browse files

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: default avatarWei Ni <wni@nvidia.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent c3509521

Documentation/devicetree/bindings/thermal/tegra-soctherm.txt

+12 −0
Original line number Diff line number Diff line
@@ -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";

				};

			};

                };

	};