dt: bindings: add thermal device driver for bcm2835

Add dt-binding documentation for bcm2835 SOC thermal sensor.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Acked-by: Eric Anholt <eric@anholt.net>
Acked-by: Rob Herring <robh@kernel.org>
Changelog:
 V1 -> V2: renamed file to follow naming conventions
 V2 -> V3: removed 0x in node name
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
new file mode 100644 (file)
index 0000000..474531d
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
@@ -0,0 +1,17 @@
+Binding for Thermal Sensor driver for BCM2835 SoCs.
+
+Required parameters:
+-------------------
+
+compatible:    should be one of: "brcm,bcm2835-thermal",
+               "brcm,bcm2836-thermal" or "brcm,bcm2837-thermal"
+reg:           Address range of the thermal registers.
+clocks:        Phandle of the clock used by the thermal sensor.
+
+Example:
+
+thermal: thermal@7e212000 {
+       compatible = "brcm,bcm2835-thermal";
+       reg = <0x7e212000 0x8>;
+       clocks = <&clocks BCM2835_CLOCK_TSENS>;
+};