From 1bc7523817215f94d8597f4daccb17a394a5703a Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Wed, 12 Dec 2018 10:36:42 +0100 Subject: [PATCH] dt-bindings: ap806: document the thermal interrupt capabilities The thermal IP can produce interrupts on overheat situation. Describe them. Signed-off-by: Miquel Raynal Signed-off-by: Eduardo Valentin --- .../bindings/arm/marvell/ap806-system-controller.txt | 7 +++++++ 1 file changed, 7 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..7b8b8eb0191f 100644 --- a/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt @@ -114,12 +114,17 @@ 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: +- 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 +138,8 @@ ap_syscon1: system-controller@6f8000 { ap_thermal: thermal-sensor@80 { compatible = "marvell,armada-ap806-thermal"; reg = <0x80 0x10>; + interrupt-parent = <&sei>; + interrupts = <18>; #thermal-sensor-cells = <1>; }; }; -- 2.34.1