ARM: dts: rockchip: update the thermal management on rk3288
From: Caesar Wang <wxt@...> Date: Fri, 13 Feb 2015 11:41:43 +0800
Commit-Message
In some cases the machine radiating is very poor,sometime the temperature is rising very quickly on heavy loading.So we need have more frequent polling and better granularity. Signed-off-by: Caesar Wang <wxt@...> Signed-off-by: Heiko Stuebner <heiko.stuebner@...>
Patch-Comment
arch/arm/boot/dts/rk3288-thermal.dtsi | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-)
Statistics
- 12 lines added
- 2 lines removed
Changes
-------------------- arch/arm/boot/dts/rk3288-thermal.dtsi ---------------------
index 3404066..651b962 100644
@@ -52,7 +52,7 @@ reserve_thermal: reserve_thermal {
};
cpu_thermal: cpu_thermal {
+ polling-delay-passive = <100>; /* milliseconds */
polling-delay = <5000>; /* milliseconds */
thermal-sensors = <&tsadc 1>;
@@ -63,6 +63,11 @@ cpu_thermal: cpu_thermal {
hysteresis = <2000>; /* millicelsius */
type = "passive";
};
+ cpu_alert1: cpu_alert1 {
+ temperature = <75000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
cpu_crit: cpu_crit {
temperature = <90000>; /* millicelsius */
hysteresis = <2000>; /* millicelsius */
@@ -74,13 +79,18 @@ cpu_thermal: cpu_thermal {
map0 {
trip = <&cpu_alert0>;
cooling-device =
+ <&cpu0 THERMAL_NO_LIMIT 6>;
+ };
+ map1 {
+ trip = <&cpu_alert1>;
+ cooling-device =
<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
};
};
gpu_thermal: gpu_thermal {
+ polling-delay-passive = <100>; /* milliseconds */
polling-delay = <5000>; /* milliseconds */
thermal-sensors = <&tsadc 2>;