[PATCH v4 5/6] arm64: dts: marvell: add interrupt support to ap806 thermal node
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2018-12-12 09:36:44
Also in:
linux-devicetree, linux-pm
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Torvalds
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@bootlin.com> --- 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
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