ARM: dts: tango4: Initial thermal support
Define the CPU temperature sensor, and critical trip point.
Commit 799d71da471c ("add temperature sensor support for tango SoC")
added the device driver.
Acked-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/boot/dts/tango4-smp8758.dtsi b/arch/arm/boot/dts/tango4-smp8758.dtsi
index 7ed88ee..01d5f8f 100644
--- a/arch/arm/boot/dts/tango4-smp8758.dtsi
+++ b/arch/arm/boot/dts/tango4-smp8758.dtsi
@@ -28,4 +28,27 @@
<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
};
+
+ soc {
+ cpu_temp: thermal@920100 {
+ #thermal-sensor-cells = <0>;
+ compatible = "sigma,smp8758-thermal";
+ reg = <0x920100 12>;
+ };
+ };
+
+ thermal-zones {
+ cpu_thermal: cpu-thermal {
+ polling-delay = <997>; /* milliseconds */
+ polling-delay-passive = <499>; /* milliseconds */
+ thermal-sensors = <&cpu_temp>;
+ trips {
+ cpu_critical {
+ temperature = <120000>;
+ hysteresis = <2500>;
+ type = "critical";
+ };
+ };
+ };
+ };
};