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Date: Fri, 26 Nov 2021 16:17:28 +0100
From: Alex Bee <knaerzche@...il.com>
To: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>
Cc: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Alex Bee <knaerzche@...il.com>
Subject: [PATCH 3/4] arm64: dts: rockchip: Add cooling map / trip points for RK356x' GPU
RK356x SoCs have a second thermal sensor for the GPU:
This adds the cooling map / trip points for it to make use of it's
contribution as a cooling device.
Signed-off-by: Alex Bee <knaerzche@...il.com>
---
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 27 ++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 3b314ccd6c94..a67c279c164d 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -960,6 +960,33 @@ gpu_thermal: gpu-thermal {
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>;
+ };
+ };
+
};
};
--
2.30.2
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