From: Thierry Reding <treding@xxxxxxxxxx>
Add thermal zone details and enable the PWM fan as cooling device.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
.../boot/dts/nvidia/tegra234-p3701-0000.dtsi | 22 +++++++++++++++++++
.../nvidia/tegra234-p3737-0000+p3701-0000.dts | 22 ++++++++++++++-----
.../boot/dts/nvidia/tegra234-p3737-0000.dtsi | 6 +++++
3 files changed, 45 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
index 812499918085..319b3a9cff24 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi
@@ -139,4 +139,26 @@ vdd_12v_pcie: regulator-vdd-12v-pcie {
gpio = <&gpio TEGRA234_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>;
regulator-boot-on;
};
+
+ thermal-zones {
+ tj-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <1000>;
+ status = "okay";
+
+ trips {
+ tj_trip_active0: active-0 {
+ temperature = <75000>;
+ hysteresis = <4000>;
+ type = "active";
+ };
+
+ tj_trip_active1: active-1 {
+ temperature = <95000>;
+ hysteresis = <4000>;
+ type = "active";
+ };
+ };
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
index 303c142303a5..188f6b5ae94c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000+p3701-0000.dts
@@ -2339,11 +2339,7 @@ key-suspend {
};
pwm-fan {
- compatible = "pwm-fan";
- pwms = <&pwm3 0 45334>;
-
- cooling-levels = <0 95 178 255>;
- #cooling-cells = <2>;
+ cooling-levels = <66 215 255>;
};
serial {
@@ -2430,4 +2426,20 @@ sound {
"CVB-RT DMIC1", "CVB-RT MIC",
"CVB-RT DMIC2", "CVB-RT MIC";
};
+
+ thermal-zones {
+ tj-thermal {
+ cooling-maps {
+ map-active-0 {
+ cooling-device = <&fan 0 1>;
+ trip = <&tj_trip_active0>;
+ };
+
+ map-active-1 {
+ cooling-device = <&fan 1 2>;
+ trip = <&tj_trip_active1>;
+ };
+ };
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
index 022a5408d869..d94147f22ebf 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
@@ -33,6 +33,12 @@ pwm@32f0000 {
};
};
+ fan: pwm-fan {
+ compatible = "pwm-fan";
+ pwms = <&pwm3 0 45334>;
+ #cooling-cells = <2>;
+ };
+
vdd_1v8_sys: regulator-vdd-1v8-sys {
compatible = "regulator-fixed";
regulator-name = "VDD_1V8_SYS";
--
2.40.1
