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 <wni@xxxxxxxxxx>
---
.../devicetree/bindings/thermal/tegra-soctherm.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
index 6b68cd150405..77aef0b4968b 100644
--- a/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
+++ b/Documentation/devicetree/bindings/thermal/tegra-soctherm.txt
@@ -26,6 +26,18 @@ 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-trips : 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:
+ - therm-temp : Shutdown temperature in millicelsius, once the
+ temperature of this sensor is higher than the therm-temp, the system
+ will be reset or shutdown.
+ - throt-temp : HW throttle temperature in millicelsius, once the
+ temperature of this sensor is higher than the throt-temp, the HW
+ throttle will be triggered in soctherm. (Not implement yet)
Example :
@@ -40,6 +52,23 @@ Example :
reset-names = "soctherm";
#thermal-sensor-cells = <1>;
+
+ hw-trips {
+ cpu {
+ therm-temp = <103000>;
+ throt-temp = <98500>;
+ };
+ gpu {
+ therm-temp = <103500>;
+ throt-temp = <100000>;
+ };
+ mem {
+ therm-temp = <103500>;
+ };
+ pll {
+ therm-temp = <105000>;
+ };
+ };
};
Example: referring to thermal sensors :
--
1.9.1
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