This patch adds the thermal zones to the A83T. Sensor 0 is located
besides the cpu cluster 0. Sensor 1 is located besides cluster 1 and
sensor 2 is located besides in the gpu.
Signed-off-by: Philipp Rossak <embed3d@xxxxxxxxx>
---
arch/arm/boot/dts/sun8i-a83t.dtsi | 103 ++++++++++++++++++++++++++++++++++++++
1 file changed, 103 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index f2f745930b08..78aa448e869f 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -50,6 +50,7 @@
#include <dt-bindings/reset/sun8i-a83t-ccu.h>
#include <dt-bindings/reset/sun8i-de2.h>
#include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
interrupt-parent = <&gic>;
@@ -69,6 +70,9 @@
cci-control-port = <&cci_control0>;
enable-method = "allwinner,sun8i-a83t-smp";
reg = <0>;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <7>;
};
cpu@1 {
@@ -107,6 +111,9 @@
cci-control-port = <&cci_control1>;
enable-method = "allwinner,sun8i-a83t-smp";
reg = <0x100>;
+ #cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <7>;
};
cpu@101 {
@@ -1035,4 +1042,100 @@
#size-cells = <0>;
};
};
+
+ thermal-zones {
+ cpu0_thermal: cpu0-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+ thermal-sensors = <&ths 0>;
+
+ trips {
+ cpu0_warm: cpu_warm {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu0_hot: cpu_hot {
+ temperature = <80000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu0_very_hot: cpu_very_hot {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu0_crit: cpu_crit {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ cpu_warm_limit_cpu {
+ trip = <&cpu0_warm>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT 4>;
+ };
+ cpu_hot_limit_cpu {
+ trip = <&cpu0_hot>;
+ cooling-device = <&cpu0 5 5>;
+ };
+ cpu_very_hot_limit_cpu {
+ trip = <&cpu0_very_hot>;
+ cooling-device = <&cpu0 7 THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ cpu1_thermal: cpu1-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+ thermal-sensors = <&ths 1>;
+
+ trips {
+ cpu1_warm: cpu_warm {
+ temperature = <70000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu1_hot: cpu_hot {
+ temperature = <80000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu1_very_hot: cpu_very_hot {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu1_crit: cpu_crit {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ cpu_warm_limit_cpu {
+ trip = <&cpu1_warm>;
+ cooling-device = <&cpu100 THERMAL_NO_LIMIT 4>;
+ };
+ cpu_hot_limit_cpu {
+ trip = <&cpu1_hot>;
+ cooling-device = <&cpu100 5 5>;
+ };
+ cpu_very_hot_limit_cpu {
+ trip = <&cpu1_very_hot>;
+ cooling-device = <&cpu100 7 THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ gpu_thermal: gpu-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+ thermal-sensors = <&ths 2>;
+ };
+ };
};
--
2.11.0
