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arm64: tegra: Add 35°C trip point for Jetson Orin NX/Nano

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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.

Cherry picked from commit 22237440d89c870ec3f905a59f469998233718ec

Bug 4204722

Change-Id: I7eb212241600f945173f4702fa2f9d09a6daf232
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/2946052
(cherry picked from commit d3aa3fafe2)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/2947303
Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
Tested-by: Yi-Wei Wang <yiweiw@nvidia.com>
This commit is contained in:
Thierry Reding
2023-07-17 18:30:37 +02:00
committed by mobile promotions
parent 6c69a54be5
commit 1bbfc41d27
3 changed files with 19 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tegra234-p3767.dtsi
View File

@@ -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";

7
tegra234-p3768-0000+p3767-0000.dts
View File

@@ -113,7 +113,7 @@
};
pwm-fan {
cooling-levels = <0 187 255>;
cooling-levels = <0 88 187 255>;
};
vdd_3v3_pcie: regulator-vdd-3v3-pcie {
@@ -141,6 +141,11 @@
cooling-device = <&fan 1 2>;
trip = <&tj_trip_active1>;
};
map-active-2 {
cooling-device = <&fan 2 3>;
trip = <&tj_trip_active2>;
};
};
};
};

7
tegra234-p3768-0000+p3767-0005.dts
View File

@@ -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>;
};
};
};
};