From: Alex Bee knaerzche@gmail.com
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 --- 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>; + }; + }; + }; };