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

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>

diff --git a/arch/arm/boot/dts/rk3288-thermal.dtsi b/arch/arm/boot/dts/rk3288-thermal.dtsi
index 34040665218627b3c2c167aa1b8faa867449a6de..651b962e3d538d76ed0286e13504b78bf1ff4ad4 100644 (file)
--- a/arch/arm/boot/dts/rk3288-thermal.dtsi
+++ b/arch/arm/boot/dts/rk3288-thermal.dtsi
@@ -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>;