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-rw-r--r--dts/Bindings/arm/marvell/ap806-system-controller.txt48
1 files changed, 43 insertions, 5 deletions
diff --git a/dts/Bindings/arm/marvell/ap806-system-controller.txt b/dts/Bindings/arm/marvell/ap806-system-controller.txt
index 0b88744..3fd21bb 100644
--- a/dts/Bindings/arm/marvell/ap806-system-controller.txt
+++ b/dts/Bindings/arm/marvell/ap806-system-controller.txt
@@ -2,14 +2,17 @@ Marvell Armada AP806 System Controller
======================================
The AP806 is one of the two core HW blocks of the Marvell Armada 7K/8K
-SoCs. It contains a system controller, which provides a number
-registers giving access to numerous features: clocks, pin-muxing and
-many other SoC configuration items. This DT binding allows to describe
-this system controller.
+SoCs. It contains system controllers, which provide several registers
+giving access to numerous features: clocks, pin-muxing and many other
+SoC configuration items. This DT binding allows to describe these
+system controllers.
For the top level node:
- compatible: must be: "syscon", "simple-mfd";
- - reg: register area of the AP806 system controller
+ - reg: register area of the AP806 system controller
+
+SYSTEM CONTROLLER 0
+===================
Clocks:
-------
@@ -98,3 +101,38 @@ ap_syscon: system-controller@6f4000 {
gpio-ranges = <&ap_pinctrl 0 0 19>;
};
};
+
+SYSTEM CONTROLLER 1
+===================
+
+Thermal:
+--------
+
+For common binding part and usage, refer to
+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.
+
+Required properties:
+- compatible: must be one of:
+ * marvell,armada-ap806-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, while positive
+ IDs refer to each CPU.
+
+Example:
+ap_syscon1: system-controller@6f8000 {
+ compatible = "syscon", "simple-mfd";
+ reg = <0x6f8000 0x1000>;
+
+ ap_thermal: thermal-sensor@80 {
+ compatible = "marvell,armada-ap806-thermal";
+ reg = <0x80 0x10>;
+ #thermal-sensor-cells = <1>;
+ };
+};