diff options
author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-07-16 16:42:01 +0200 |
---|---|---|
committer | Eduardo Valentin <edubezval@gmail.com> | 2018-07-27 23:43:18 +0200 |
commit | c3ab5dfff1e088e163aa2f866dd66e5a55af463f (patch) | |
tree | cb1e682676a9d6d6c423e24068dff732669fa05a /Documentation | |
parent | dt-bindings: cp110: update documentation since DT de-duplication (diff) | |
download | linux-c3ab5dfff1e088e163aa2f866dd66e5a55af463f.tar.xz linux-c3ab5dfff1e088e163aa2f866dd66e5a55af463f.zip |
dt-bindings: cp110: add the thermal node in the syscon file
Explain the thermal bindings now that the thermal IP is described being
inside of a system controller. Add a reference to the thermal-zone node.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt index 54b0d64ce819..81ce742d2760 100644 --- a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt @@ -11,6 +11,9 @@ For the top level node: - compatible: must be: "syscon", "simple-mfd"; - reg: register area of the CP110 system controller +SYSTEM CONTROLLER 0 +=================== + Clocks: ------- @@ -186,3 +189,37 @@ CP110_LABEL(syscon0): system-controller@440000 { }; }; + +SYSTEM CONTROLLER 1 +=================== + +Thermal: +-------- + +The thermal IP can probe the temperature all around the processor. It +may feature several channels, each of them wired to one sensor. + +For common binding part and usage, refer to +Documentation/devicetree/bindings/thermal/thermal.txt + +Required properties: +- compatible: must be one of: + * marvell,armada-cp110-thermal +- reg: register range associated with the thermal functions. + +Optional properties: +- #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. + +Example: +CP110_LABEL(syscon1): system-controller@6f8000 { + compatible = "syscon", "simple-mfd"; + reg = <0x6f8000 0x1000>; + + CP110_LABEL(thermal): thermal-sensor@70 { + compatible = "marvell,armada-cp110-thermal"; + reg = <0x70 0x10>; + #thermal-sensor-cells = <1>; + }; +}; |