[PATCH v3 2/2] arm64: dts: mt8173: Add thermal zone node for mt8173.

Dawei Chien
2015-10-22T12:02:39Z

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 | 90 ++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 3b18f37..eaf12bf 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"

/ {
@@ -54,6 +55,18 @@
reg = <0x000>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ static-power-points = <
+ 859000 43
+ 908000 52
+ 983000 86
+ 1009000 123
+ 1028000 138
+ 1083000 172
+ 1110900 180
+ 1125000 192
+ >;
+ dynamic-power-coefficient = <263>;
+ #cooling-cells = <2>;
};

cpu1: cpu at 1 {
@@ -62,6 +75,17 @@
reg = <0x001>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ static-power-points = <
+ 859000 43
+ 908000 52
+ 983000 86
+ 1009000 123
+ 1028000 138
+ 1083000 172
+ 1110900 180
+ 1125000 192
+ >;
+ dynamic-power-coefficient = <263>;
};

cpu2: cpu at 100 {
@@ -70,6 +94,18 @@
reg = <0x100>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ static-power-points = <
+ 828000 72
+ 867000 90
+ 927000 156
+ 968000 181
+ 1007000 298
+ 1049000 435
+ 1089900 533
+ 1125000 533
+ >;
+ dynamic-power-coefficient = <530>;
+ #cooling-cells = <2>;
};

cpu3: cpu at 101 {
@@ -78,6 +114,17 @@
reg = <0x101>;
enable-method = "psci";
cpu-idle-states = <&CPU_SLEEP_0>;
+ static-power-points = <
+ 828000 72
+ 867000 90
+ 927000 156
+ 968000 181
+ 1007000 298
+ 1049000 435
+ 1089900 533
+ 1125000 533
+ >;
+ dynamic-power-coefficient = <530>;
};

idle-states {
@@ -116,6 +163,49 @@
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 at 0 {
+ temperature = <68000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ target: trip-point at 1 {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu_crit: cpu_crit at 0 {
+ temperature = <115000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map at 0 {
+ trip = <&target>;
+ cooling-device = <&cpu0 0 0>;
+ contribution = <1024>;
+ };
+ map at 1 {
+ trip = <&target>;
+ cooling-device = <&cpu2 0 0>;
+ contribution = <2048>;
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
--
1.7.9.5