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authorStefan Wahren <stefan.wahren@i2se.com>2017-03-31 20:03:03 +0000
committerEduardo Valentin <edubezval@gmail.com>2017-04-01 09:30:02 -0700
commit1e2ac9821de6a85d3e8358f238436708d1d46869 (patch)
treecc46fe148b78969cb24b97030b625eaad52dd6f8 /Documentation
parent75f78d6d9eb793d141affaa5a76f20ce1d6ae5c9 (diff)
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dt-bindings: Add thermal zone to bcm2835-thermal example
Add a thermal zone in order to make the example complete. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt32
1 files changed, 28 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
index 474531d2b2c5..da8c5b73ad10 100644
--- a/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/brcm,bcm2835-thermal.txt
@@ -3,15 +3,39 @@ 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.
+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.
+#thermal-sensor-cells: should be 0 (see thermal.txt)
Example:
+thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <1000>;
+
+ thermal-sensors = <&thermal>;
+
+ trips {
+ cpu-crit {
+ temperature = <80000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+
+ coefficients = <(-538) 407000>;
+
+ cooling-maps {
+ };
+ };
+};
+
thermal: thermal@7e212000 {
compatible = "brcm,bcm2835-thermal";
reg = <0x7e212000 0x8>;
clocks = <&clocks BCM2835_CLOCK_TSENS>;
+ #thermal-sensor-cells = <0>;
};