From: Thierry Reding <treding@xxxxxxxxxx>
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.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234-p3767.dtsi | 8 +++++++-
.../boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts | 7 ++++++-
.../boot/dts/nvidia/tegra234-p3768-0000+p3767-0005.dts | 7 ++++++-
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 @@ 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";
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 2de2f8ac640d..072e45ce2631 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
@@ -205,7 +205,7 @@ key-suspend {
};
pwm-fan {
- cooling-levels = <0 187 255>;
+ cooling-levels = <0 88 187 255>;
};
vdd_3v3_pcie: regulator-vdd-3v3-pcie {
@@ -233,6 +233,11 @@ map-active-1 {
cooling-device = <&fan 1 2>;
trip = <&tj_trip_active1>;
};
+
+ map-active-2 {
+ cooling-device = <&fan 2 3>;
+ trip = <&tj_trip_active2>;
+ };
};
};
};
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 @@ map-active-1 {
cooling-device = <&fan 1 2>;
trip = <&tj_trip_active1>;
};
+
+ map-active-2 {
+ cooling-device = <&fan 2 3>;
+ trip = <&tj_trip_active2>;
+ };
};
};
};
--
2.41.0
