Messages in this thread | | | Date | Wed, 24 Jan 2024 22:59:13 +0100 | Subject | Re: [PATCH 3/4] arm64: dts: rockchip: enable temperature driven fan control on Rock 5B | From | Daniel Lezcano <> |
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On 24/01/2024 21:30, Alexey Charkov wrote: > This enables thermal monitoring on Radxa Rock 5B and links the PWM > fan as an active cooling device managed automatically by the thermal > subsystem, with a target SoC temperature of 55C > > Signed-off-by: Alexey Charkov <alchark@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> --- > arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts | 25 ++++++++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > index 9b7bf6cec8bd..c4c94e0b6163 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > @@ -52,7 +52,7 @@ led_rgb_b { > > fan: pwm-fan { > compatible = "pwm-fan"; > - cooling-levels = <0 95 145 195 255>; > + cooling-levels = <0 120 150 180 210 240 255>; > fan-supply = <&vcc5v0_sys>; > pwms = <&pwm1 0 50000 0>; > #cooling-cells = <2>; > @@ -180,6 +180,25 @@ &cpu_l3 { > cpu-supply = <&vdd_cpu_lit_s0>; > }; > > +&package_thermal { > + polling-delay = <1000>; > + > + trips { > + package_fan: package-fan { > + temperature = <55000>; > + hysteresis = <2000>; > + type = "active"; > + }; > + }; > + > + cooling-maps { > + map-fan { > + trip = <&package_fan>; > + cooling-device = <&fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; > + }; > + }; > +}; > + > &i2c0 { > pinctrl-names = "default"; > pinctrl-0 = <&i2c0m2_xfer>; > @@ -738,6 +757,10 @@ regulator-state-mem { > }; > }; > > +&tsadc { > + status = "okay"; > +}; > + > &uart2 { > pinctrl-0 = <&uart2m0_xfer>; > status = "okay"; >
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