[PATCH V4 07/11] of: Add bindings of hw-trip-points for soctherm
From: Wei Ni <hidden>
Date: 2016-01-25 10:46:03
Also in:
linux-tegra, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, thermal · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Rafael J. Wysocki, Daniel Lezcano
Add hw-trips sub-node for soctherm, which is used to describe the hardware trip points for each soctherm sensors. Signed-off-by: Wei Ni <redacted> --- .../devicetree/bindings/thermal/tegra-soctherm.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+)
diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
index 6b68cd150405..75dc9dbe7e1a 100644
--- a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
+++ b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt@@ -26,6 +26,15 @@ Required properties : of this property. See <dt-bindings/thermal/tegra124-soctherm.h> for a list of valid values when referring to thermal sensors. +Optional properties: +- hw-trip-points : A sub-node which is a container of hardware trip points + for each sensors. + * sensors: Sub-nodes which are used to describe the HW trip points info, + must be named as "cpu", "gpu", "mem", "pll". + Properties: + - thermtrip-temperature : Shutdown or reset temperature in millicelsius, + once the temperature of this sensor is higher than the + thermtrip-temperature, the system will be shutdown or reset. Example :
@@ -40,6 +49,21 @@ Example : reset-names = "soctherm"; #thermal-sensor-cells = <1>; + + hw-trip-points { + cpu { + thermtrip-temperature = <103000>; + }; + gpu { + thermtrip-temperature = <103500>; + }; + mem { + thermtrip-temperature = <103500>; + }; + pll { + thermtrip-temperature = <105000>; + }; + }; }; Example: referring to thermal sensors :
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1.9.1