On Tue, Dec 04, 2018 at 08:03:29PM +0100, Miquel Raynal wrote:
> The thermal IP can produce interrupts on overheat situation.
> Describe them.
>
> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> ---
> .../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
Don't document interrupt-parent as it is implied and may be in a parent
node.
> - #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@6f8000 {
> ap_thermal: thermal-sensor@80 {
> compatible = "marvell,armada-ap806-thermal";
> reg = <0x80 0x10>;
> + interrupt-parent = <&sei>;
> + interrupts = <18>;
> #thermal-sensor-cells = <1>;
> };
> };
> --
> 2.19.1
>
