@@ -90,6 +90,10 @@ Required properties:
"critical": Hardware not reliable.
Type: string
+- irq-mode: A flag indicating that trip rises irq, so there is no
+ Type: bool need of polling in thermal framework.
+ Size: one cell
+
* Cooling device maps
The cooling device maps node is a node to describe how cooling devices
@@ -256,16 +260,19 @@ thermal-zones {
temperature = <90000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "active";
+ irq-mode;
};
cpu_alert1: cpu-alert1 {
temperature = <100000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "passive";
+ irq-mode;
};
cpu_crit: cpu-crit {
temperature = <125000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
type = "critical";
+ irq-mode;
};
};
Thermal trip point gets new flag in DT: irq-mode. Trip point may have a new explicit flag which indicate irq support when the temperature is met (so the thermal framework deos not need set polling for it). It is useful for 'passive' cooling trip point, which now will not register for polling the temperature. Update documentation about irq-mode for trip points. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: devicetree@vger.kernel.org Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> --- Documentation/devicetree/bindings/thermal/thermal.txt | 7 +++++++ 1 file changed, 7 insertions(+)