Commit 9304f699 authored by Thierry Reding's avatar Thierry Reding
Browse files

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: default avatarYi-Wei Wang <yiweiw@nvidia.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 61652426

arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi

+7 −1
Original line number Diff line number Diff line
@@ -106,12 +106,18 @@ tj-thermal { 


			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";

arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts

+6 −1
Original line number Diff line number Diff line
@@ -69,7 +69,7 @@ key-suspend { 
	};



	pwm-fan {

		cooling-levels = <0 187 255>;

		cooling-levels = <0 88 187 255>;

	};



	vdd_3v3_pcie: regulator-vdd-3v3-pcie {
@@ -97,6 +97,11 @@ map-active-1 { 
					cooling-device = <&fan 1 2>;

					trip = <&tj_trip_active1>;

				};



				map-active-2 {

					cooling-device = <&fan 2 3>;

					trip = <&tj_trip_active2>;

				};

			};

		};

	};

arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts

+6 −1
Original line number Diff line number Diff line
@@ -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 @@ map-active-1 { 
					cooling-device = <&fan 1 2>;

					trip = <&tj_trip_active1>;

				};



				map-active-2 {

					cooling-device = <&fan 2 3>;

					trip = <&tj_trip_active2>;

				};

			};

		};

	};