[PATCH v2 3/6] dt-bindings: ap806: document the thermal interrupt capabilities
From: miquel.raynal@bootlin.com (Miquel Raynal)
Date: 2018-11-23 16:17:27
Also in:
linux-devicetree, linux-pm
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The thermal IP can produce interrupts on overheat situation. Describe them. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- .../bindings/arm/marvell/ap806-system-controller.txt | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
index 3fd21bb7cb37..35e8dd2edfd2 100644
--- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt@@ -114,12 +114,18 @@ Documentation/devicetree/bindings/thermal/thermal.txt The thermal IP can probe the temperature all around the processor. It may feature several channels, each of them wired to one sensor. +It is possible to setup an overheat interrupt by giving at least one +critical point to any subnode of the thermal-zone node. + Required properties: - compatible: must be one of: * marvell,armada-ap806-thermal - reg: register range associated with the thermal functions. Optional properties: +- interrupt-parent/interrupts: overheat interrupt handle. Should point to + line 18 of the SEI irqchip. + See interrupt-controller/interrupts.txt - #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer to this IP and represents the channel ID. There is one sensor per channel. O refers to the thermal IP internal channel, while positive
@@ -133,6 +139,8 @@ ap_syscon1: system-controller at 6f8000 { ap_thermal: thermal-sensor at 80 { compatible = "marvell,armada-ap806-thermal"; reg = <0x80 0x10>; + interrupt-parent = <&sei>; + interrupts = <18>; #thermal-sensor-cells = <1>; }; };
--
2.19.1