[PATCH v2 2/2] arm64: dts: mt8173: Add thermal zone node for mt8173.

Dawei Chien
2015-10-07T12:22:41Z

From: "Dawei.Chien" <dawei.chien@mediatek.com>

Add thermal zone node to mt8173.dtsi.

Signed-off-by: Dawei.Chien <dawei.chien@mediatek.com>
---
This patch is base on
https://patchwork.kernel.org/patch/7249821/
https://patchwork.kernel.org/patch/7249861/
https://patchwork.kernel.org/patch/7249891/
---
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 44 ++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 3b18f37..01a7c46c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -16,6 +16,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/mt8173-power.h>
#include <dt-bindings/reset-controller/mt8173-resets.h>
+#include <dt-bindings/thermal/mt8173.h>
#include "mt8173-pinfunc.h"

/ {
@@ -116,6 +117,49 @@
clock-output-names = "clk32k";
};

+ thermal-zones {
+ cpu_thermal: cpu_thermal {
+ polling-delay-passive = <1000>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+
+ thermal-sensors = <&thermal MT8173_THERMAL_ZONE_CA57>;
+ sustainable-power = <1500>;
+
+ 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>;
--
1.7.9.5