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-rw-r--r--arch/arm/boot/dts/bcm2835.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm2836.dtsi4
-rw-r--r--arch/arm/boot/dts/bcm283x.dtsi21
3 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 0890d97e674d..659b6e9513b1 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -24,6 +24,10 @@
};
};
+&cpu_thermal {
+ coefficients = <(-538) 407000>;
+};
+
/* enable thermal sensor with the correct compatible property set */
&thermal {
compatible = "brcm,bcm2835-thermal";
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
index 519a44f5d25a..da3deeb42592 100644
--- a/arch/arm/boot/dts/bcm2836.dtsi
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -77,6 +77,10 @@
interrupts = <8>;
};
+&cpu_thermal {
+ coefficients = <(-538) 407000>;
+};
+
/* enable thermal sensor with the correct compatible property set */
&thermal {
compatible = "brcm,bcm2836-thermal";
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index 561f27d8d922..86a5db53da8f 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -19,6 +19,26 @@
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>;
@@ -430,6 +450,7 @@
compatible = "brcm,bcm2835-thermal";
reg = <0x7e212000 0x8>;
clocks = <&clocks BCM2835_CLOCK_TSENS>;
+ #thermal-sensor-cells = <0>;
status = "disabled";
};