From: Alex Bee <knaerzche@gmail.com>
Date: Wed, 9 Feb 2022 21:55:47 +0000 (+0100)
Subject: arm64: dts: rockchip: add cooling map and trip points for gpu to rk356x
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c0a7259fad2df72469b602418083516c2cb3a7af;p=linux.git

arm64: dts: rockchip: add cooling map and trip points for gpu to rk356x

RK356x SoCs have a second thermal sensor for the GPU. This adds the
cooling map and trip points for it to make use of its contribution as
a cooling device.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220209215549.94524-4-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 50bbea862a6a9..80e3a3a2ab0f4 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1093,6 +1093,32 @@
 			polling-delay = <1000>; /* milliseconds */
 
 			thermal-sensors = <&tsadc 1>;
+
+			trips {
+				gpu_threshold: gpu-threshold {
+					temperature = <70000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				gpu_target: gpu-target {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				gpu_crit: gpu-crit {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_target>;
+					cooling-device =
+						<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 	};