diff options
Diffstat (limited to 'arch/arm/boot/dts/tegra20-paz00.dts')
| -rw-r--r-- | arch/arm/boot/dts/tegra20-paz00.dts | 43 |
1 files changed, 41 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts index 940a9f31cd86..3180bff90756 100644 --- a/arch/arm/boot/dts/tegra20-paz00.dts +++ b/arch/arm/boot/dts/tegra20-paz00.dts @@ -2,6 +2,8 @@ /dts-v1/; #include <dt-bindings/input/input.h> +#include <dt-bindings/thermal/thermal.h> + #include "tegra20.dtsi" #include "tegra20-cpu-opp.dtsi" #include "tegra20-cpu-opp-microvolt.dtsi" @@ -318,6 +320,7 @@ nvidia,ram-code = <0x0>; #address-cells = <1>; #size-cells = <0>; + reg = <0>; emc-table@166500 { reg = <166500>; @@ -497,9 +500,10 @@ }; }; - adt7461@4c { + adt7461: temperature-sensor@4c { compatible = "adi,adt7461"; reg = <0x4c>; + #thermal-sensor-cells = <1>; }; }; @@ -654,11 +658,46 @@ cpu0: cpu@0 { cpu-supply = <&cpu_vdd_reg>; operating-points-v2 = <&cpu0_opp_table>; + #cooling-cells = <2>; }; - cpu@1 { + cpu1: cpu@1 { cpu-supply = <&cpu_vdd_reg>; operating-points-v2 = <&cpu0_opp_table>; + #cooling-cells = <2>; + }; + }; + + thermal-zones { + cpu-thermal { + polling-delay-passive = <500>; /* milliseconds */ + polling-delay = <1500>; /* milliseconds */ + + thermal-sensors = <&adt7461 1>; + + trips { + trip0: cpu-alert0 { + /* start throttling at 80C */ + temperature = <80000>; + hysteresis = <200>; + type = "passive"; + }; + + trip1: cpu-crit { + /* shut down at 85C */ + temperature = <85000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&trip0>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; }; }; |