Messages in this thread Patch in this message | | | From | Wei Ni <> | Subject | [PATCH V9 RESEND 08/14] of: add notes of critical trips for soctherm | Date | Tue, 29 Mar 2016 18:29:18 +0800 |
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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> --- 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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