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author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-12-12 10:36:42 +0100 |
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committer | Eduardo Valentin <edubezval@gmail.com> | 2019-01-02 04:47:18 -0800 |
commit | 1bc7523817215f94d8597f4daccb17a394a5703a (patch) | |
tree | a205ef8f008e789f7a344c9d76c6dcdfd80c99ef /Documentation/devicetree | |
parent | ad3e72030bff0cbd4409074374a2a0f37ca1e20d (diff) | |
download | linux-stable-1bc7523817215f94d8597f4daccb17a394a5703a.tar.gz linux-stable-1bc7523817215f94d8597f4daccb17a394a5703a.tar.bz2 linux-stable-1bc7523817215f94d8597f4daccb17a394a5703a.zip |
dt-bindings: ap806: document the thermal interrupt capabilities
The thermal IP can produce interrupts on overheat situation.
Describe them.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt | 7 |
1 files changed, 7 insertions, 0 deletions
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>; }; }; |