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ARM: dts: rockchip: update the thermal management on rk3288

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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@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko.stuebner@collabora.com>
This commit is contained in:
Caesar Wang 2015-02-13 11:41:43 +08:00 committed by Heiko Stuebner
parent c2cb616129
commit 8ff3b9b40c
1 changed files with 12 additions and 2 deletions
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14
arch/arm/boot/dts/rk3288-thermal.dtsi
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@ -52,7 +52,7 @@ reserve_thermal: reserve_thermal {
};
cpu_thermal: cpu_thermal {
polling-delay-passive = <1000>; /* milliseconds */
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 */
@ -73,6 +78,11 @@ cpu_thermal: cpu_thermal {
cooling-maps {
map0 {
trip = <&cpu_alert0>;
cooling-device =
<&cpu0 THERMAL_NO_LIMIT 6>;
};
map1 {
trip = <&cpu_alert1>;
cooling-device =
<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
};
@ -80,7 +90,7 @@ cpu_thermal: cpu_thermal {
};
gpu_thermal: gpu_thermal {
polling-delay-passive = <1000>; /* milliseconds */
polling-delay-passive = <100>; /* milliseconds */
polling-delay = <5000>; /* milliseconds */
thermal-sensors = <&tsadc 2>;