As suggested by Eduardo Valentin this adds the thermal zone for
the bcm2835 SoC with its single thermal sensor. We start with
the criticial trip point and leave the cooling devices empty
since we don't have any at the moment.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
Changes in V2:
- add missing thermal-sensor-cells property
- change gpu-thermal to cpu-thermal
arch/arm/boot/dts/bcm283x.dtsi | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index a3106aa..4dc74f6 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -19,6 +19,25 @@
bootargs = "earlyprintk console=ttyAMA0";
};
+ 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";
+ };
+ };
+ cooling-maps {
+ };
+ };
+ };
+
soc {
compatible = "simple-bus";
#address-cells = <1>;
@@ -394,6 +413,7 @@
compatible = "brcm,bcm2835-thermal";
reg = <0x7e212000 0x8>;
clocks = <&clocks BCM2835_CLOCK_TSENS>;
+ #thermal-sensor-cells = <0>;
status = "disabled";
};
--
1.7.9.5
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