diff mbox

[v2,17/23] dt-bindings: cp110: add the thermal node in the syscon file

Message ID 20180625151239.20976-18-miquel.raynal@bootlin.com
State New, archived
Headers show

Commit Message

Miquel Raynal June 25, 2018, 3:12 p.m. UTC
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>
---
 .../arm/marvell/cp110-system-controller.txt        | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)

Comments

Rob Herring July 3, 2018, 9:14 p.m. UTC | #1
On Mon, Jun 25, 2018 at 05:12:33PM +0200, Miquel Raynal wrote:
> 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>
> ---
>  .../arm/marvell/cp110-system-controller.txt        | 37 ++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
> index 54b0d64ce819..cd4a7a57491e 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): ap-thermal@70 {

thermal-sensor@...

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

> +		compatible = "marvell,armada-cp110-thermal";
> +		reg = <0x70 0x10>;
> +		#thermal-sensor-cells = <1>;
> +	};
> +};
> -- 
> 2.14.1
>
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt
index 54b0d64ce819..cd4a7a57491e 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): ap-thermal@70 {
+		compatible = "marvell,armada-cp110-thermal";
+		reg = <0x70 0x10>;
+		#thermal-sensor-cells = <1>;
+	};
+};