Link the PWM fan on Radxa ROCK 5A/5C as an active cooling device managed automatically by the thermal subsystem, with a target SoC temperature of 65 oC and a minimum-spin interval from 55 oC to 65 oC, to ensure airflow when the system gets warm. Signed-off-by: FUKAUMI Naoki <naoki@xxxxxxxxx> --- this patch depends on [1] which depends on [2]. [1] https://patchwork.kernel.org/project/linux-rockchip/cover/20241209132406.4232-1-naoki@xxxxxxxxx/ [2] https://patchwork.kernel.org/project/linux-rockchip/cover/20241209125131.4101-1-naoki@xxxxxxxxx/ --- Changes in v2 - reword commit message (Dragan Simic) --- .../boot/dts/rockchip/rk3588s-rock-5.dtsi | 32 ++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5.dtsi b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5.dtsi index 7ae032b3534c..d0b9513d56a7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5.dtsi @@ -64,7 +64,7 @@ led-1 { }; }; - pwm-fan { + fan: pwm-fan { compatible = "pwm-fan"; #cooling-cells = <2>; cooling-levels = <0 64 128 192 255>; @@ -380,6 +380,36 @@ rgmii_phy1: ethernet-phy@1 { }; }; +&package_thermal { + polling-delay = <1000>; + + trips { + package_fan0: package-fan0 { + hysteresis = <2000>; + temperature = <55000>; + type = "active"; + }; + + package_fan1: package-fan1 { + hysteresis = <2000>; + temperature = <65000>; + type = "active"; + }; + }; + + cooling-maps { + map0 { + cooling-device = <&fan THERMAL_NO_LIMIT 1>; + trip = <&package_fan0>; + }; + + map1 { + cooling-device = <&fan 2 THERMAL_NO_LIMIT>; + trip = <&package_fan1>; + }; + }; +}; + &pcie2x1l2 { pinctrl-names = "default"; pinctrl-0 = <&pcie20x1_2_perstn_m0>, -- 2.43.0
