Add interrupt properties in the thermal node as well as a critical trip
point in the thermal-zone.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
arch/arm64/boot/dts/marvell/armada-ap806.dtsi | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
index 073610ac0a53..70b244a4c4c2 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi
@@ -293,6 +293,8 @@
ap_thermal: thermal-sensor@80 {
compatible = "marvell,armada-ap806-thermal";
reg = <0x80 0x10>;
+ interrupt-parent = <&sei>;
+ interrupts = <18>;
#thermal-sensor-cells = <1>;
};
};
@@ -303,16 +305,26 @@
* The thermal IP features one internal sensor plus, if applicable, one
* remote channel wired to one sensor per CPU.
*
+ * Only one thermal zone per AP/CP may trigger interrupts at a time, the
+ * first one that will have a critical trip point will be chosen.
+ *
* The cooling maps are always empty as there are no cooling devices.
*/
thermal-zones {
ap_thermal_ic: ap-thermal-ic {
- polling-delay-passive = <1000>;
- polling-delay = <1000>;
+ polling-delay-passive = <0>; /* Interrupt driven */
+ polling-delay = <0>; /* Interrupt driven */
thermal-sensors = <&ap_thermal 0>;
- trips { };
+ trips {
+ ap_crit: ap-crit {
+ temperature = <100000>; /* mC degrees */
+ hysteresis = <2000>; /* mC degrees */
+ type = "critical";
+ };
+ };
+
cooling-maps { };
};
--
2.19.1
