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authordawei.chien@mediatek.com <dawei.chien@mediatek.com>2016-03-15 16:10:36 +0800
committerMatthias Brugger <matthias.bgg@gmail.com>2016-04-21 15:55:11 +0200
commit962f5143b30568bf67be97365d0616b0050ddaa5 (patch)
tree1d383f7d93c93610b1c93f23d528b3dec20ef6b1 /arch/arm64/boot/dts/mediatek
parent748c7d4de46a18818b2736dce55becad9ca6c691 (diff)
arm64: dts: mt8173: Add thermal zone node.
This adds thermal zone node to Mediatek MT8173 dtsi file. Signed-off-by: Dawei Chien <dawei.chien@mediatek.com> Acked-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt8173.dtsi43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 3bebe29ab192..05f89c4a5413 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -125,6 +125,49 @@
clock-output-names = "cpum_ck";
};
+ thermal-zones {
+ cpu_thermal: cpu_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+
+ thermal-sensors = <&thermal>;
+ sustainable-power = <1500>; /* milliwatts */
+
+ trips {
+ threshold: trip-point@0 {
+ temperature = <68000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ target: trip-point@1 {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_crit: cpu_crit@0 {
+ temperature = <115000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map@0 {
+ trip = <&target>;
+ cooling-device = <&cpu0 0 0>;
+ contribution = <1024>;
+ };
+ map@1 {
+ trip = <&target>;
+ cooling-device = <&cpu2 0 0>;
+ contribution = <2048>;
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;