diff mbox

arm64: dts: mt8173: Add thermal zone node for mt8173.

Message ID 1440160161-28354-1-git-send-email-dawei.chien@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dawei Chien Aug. 21, 2015, 12:29 p.m. UTC 
From: "Dawei.Chien" <dawei.chien@mediatek.com>

Add thermal zone node to mt8173.dtsi.

Change-Id: I2d3a5d2edd0847f15e54d54233680a6d999bf340
Signed-off-by: Dawei.Chien <dawei.chien@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8173.dtsi |   44 ++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
diff mbox

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 924fdb6..dc7761f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -14,6 +14,7 @@ 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include "mt8173-pinfunc.h"
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	compatible = "mediatek,mt8173";
@@ -87,6 +88,49 @@ 
 		#clock-cells = <0>;
 	};
 
+	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>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+
+				target: trip-point@1 {
+					temperature = <85000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+
+				cpu_crit: cpu_crit@0 {
+					temperature = <115000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map@0 {
+					trip = <&target>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <1024>;
+				};
+				map@1 {
+					trip = <&target>;
+					cooling-device = <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					contribution = <2048>;
+				};
+			};
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;