From d3aa3fafe2898e5afdbfa6c33bf325414e81aaca Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Mon, 17 Jul 2023 18:30:37 +0200
Subject: [PATCH] =?UTF-8?q?arm64:=20tegra:=20Add=2035=C2=B0C=20trip=20poin?=
 =?UTF-8?q?t=20for=20Jetson=20Orin=20NX/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
Reviewed-by: Yi-Wei Wang <yiweiw@nvidia.com>
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
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
---
 tegra234-p3767.dtsi                | 8 +++++++-
 tegra234-p3768-0000+p3767-0000.dts | 7 ++++++-
 tegra234-p3768-0000+p3767-0005.dts | 7 ++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/tegra234-p3767.dtsi b/tegra234-p3767.dtsi
index a8aa6e7..5f592f1 100644
--- a/tegra234-p3767.dtsi
+++ b/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/tegra234-p3768-0000+p3767-0000.dts b/tegra234-p3768-0000+p3767-0000.dts
index d686896..f3950d2 100644
--- a/tegra234-p3768-0000+p3767-0000.dts
+++ b/tegra234-p3768-0000+p3767-0000.dts
@@ -68,7 +68,7 @@
 	};
 
 	pwm-fan {
-		cooling-levels = <0 187 255>;
+		cooling-levels = <0 88 187 255>;
 	};
 
 	vdd_3v3_pcie: regulator-vdd-3v3-pcie {
@@ -96,6 +96,11 @@
 					cooling-device = <&fan 1 2>;
 					trip = <&tj_trip_active1>;
 				};
+
+				map-active-2 {
+					cooling-device = <&fan 2 3>;
+					trip = <&tj_trip_active2>;
+				};
 			};
 		};
 	};
diff --git a/tegra234-p3768-0000+p3767-0005.dts b/tegra234-p3768-0000+p3767-0005.dts
index 9b86aa6..9e9bb9c 100644
--- a/tegra234-p3768-0000+p3767-0005.dts
+++ b/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>;
+				};
 			};
 		};
 	};