[PATCH 3/4] arm64: dts: rockchip: Add cooling map / trip points for RK356x' GPU
From: Alex Bee <hidden>
Date: 2021-11-26 15:23:38
Also in:
linux-arm-kernel, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- 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