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| author |   Tamás Szűcs <tszucs@protonmail.ch> | 2019-12-08 20:55:31 +0100 |
|---|---|---|
| committer |   Thierry Reding <treding@nvidia.com> | 2020-01-10 16:41:28 +0100 |
| commit | 6f78a9460f275651418728e3cb3bfc42683b881c (patch) | |
| tree | d9f71b5dd71cd0b6706f25f6b240f2c92dfcb326 | |
| parent | arm64: tegra: Add fuse/apbmisc node on Tegra194 (diff) | |
| download | wireguard-linux-6f78a9460f275651418728e3cb3bfc42683b881c.tar.xz wireguard-linux-6f78a9460f275651418728e3cb3bfc42683b881c.zip | |
arm64: tegra: Enable PWM fan on Jetson Nano
Enable PWM fan and extend CPU thermal zones for monitoring and fan control.
This will trigger the PWM fan on J15 and cool down the system if necessary.
Signed-off-by: Tamás Szűcs <tszucs@protonmail.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts index 90381d52ac54..f2a138b14e36 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts @@ -573,6 +573,66 @@ }; }; + fan: fan { + compatible = "pwm-fan"; + pwms = <&pwm 3 45334>; + + cooling-levels = <0 64 128 255>; + #cooling-cells = <2>; + }; + + thermal-zones { + cpu { + trips { + cpu_trip_critical: critical { + temperature = <96500>; + hysteresis = <0>; + type = "critical"; + }; + + cpu_trip_hot: hot { + temperature = <70000>; + hysteresis = <2000>; + type = "hot"; + }; + + cpu_trip_active: active { + temperature = <50000>; + hysteresis = <2000>; + type = "active"; + }; + + cpu_trip_passive: passive { + temperature = <30000>; + hysteresis = <2000>; + type = "passive"; + }; + }; + + cooling-maps { + cpu-critical { + cooling-device = <&fan 3 3>; + trip = <&cpu_trip_critical>; + }; + + cpu-hot { + cooling-device = <&fan 2 2>; + trip = <&cpu_trip_hot>; + }; + + cpu-active { + cooling-device = <&fan 1 1>; + trip = <&cpu_trip_active>; + }; + + cpu-passive { + cooling-device = <&fan 0 0>; + trip = <&cpu_trip_passive>; + }; + }; + }; + }; + gpio-keys { compatible = "gpio-keys"; |