On 18/07/2023 05:42, Jaewon Kim wrote: > Add pwm node to support fan on exynosautov9-sadk board. > PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling > in SADK board. > > Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx> > --- > arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts | 6 ++++++ > arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 10 ++++++++++ > 2 files changed, 16 insertions(+) > > diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts > index 101f51bf565a..bc1815f6ada2 100644 > --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts > +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts > @@ -49,6 +49,12 @@ > }; > }; > > +&pwm { > + pinctrl-names = "default"; > + pinctrl-0 = <&pwm_tout3>; > + status = "okay"; I think you miss disabling it. > +}; Best regards, Krzysztof