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>

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>;