diff options
| author | Thierry Reding <treding@nvidia.com> | 2023-07-17 18:30:37 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2023-07-26 18:24:32 +0200 |
| commit | 9304f699a7972738dbbccf052a59b01d083994ff (patch) | |
| tree | b7bea726ce18b293b053a01224332f70e53033db /arch/arm64/boot/dts/nvidia | |
| parent | 6165242693db0afac875c0e91b9aa7b98d60fffc (diff) | |
arm64: tegra: Add 35°C trip point for Jetson Orin NX/Nano
It turns out that these devices can get quite hot to the touch with the
standard cooling configuration, so add another trip point at 35°C along
with a cooling map to help keep the system reasonably cool at very low
system load.
Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'arch/arm64/boot/dts/nvidia')
3 files changed, 19 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi index a8aa6e7d8fbc..5f592f1d81e2 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi @@ -106,12 +106,18 @@ trips { tj_trip_active0: active-0 { - temperature = <74000>; + temperature = <35000>; hysteresis = <4000>; type = "active"; }; tj_trip_active1: active-1 { + temperature = <74000>; + hysteresis = <4000>; + type = "active"; + }; + + tj_trip_active2: active-2 { temperature = <95000>; hysteresis = <4000>; type = "active"; diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts index 2f1a7feb9e09..f1b4ea316745 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts @@ -69,7 +69,7 @@ }; pwm-fan { - cooling-levels = <0 187 255>; + cooling-levels = <0 88 187 255>; }; vdd_3v3_pcie: regulator-vdd-3v3-pcie { @@ -97,6 +97,11 @@ cooling-device = <&fan 1 2>; trip = <&tj_trip_active1>; }; + + map-active-2 { + cooling-device = <&fan 2 3>; + trip = <&tj_trip_active2>; + }; }; }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts index 9b86aa6f7dbe..9e9bb9ca8be4 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts @@ -12,7 +12,7 @@ model = "NVIDIA Jetson Orin Nano Developer Kit"; pwm-fan { - cooling-levels = <0 187 255>; + cooling-levels = <0 88 187 255>; }; thermal-zones { @@ -27,6 +27,11 @@ cooling-device = <&fan 1 2>; trip = <&tj_trip_active1>; }; + + map-active-2 { + cooling-device = <&fan 2 3>; + trip = <&tj_trip_active2>; + }; }; }; }; |