From: Alex Bee <knaerzche@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
---
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 47484305b7a4..2334fed4620f 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1093,6 +1093,33 @@ 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
