[PATCH v2 1/1] arm64: dts: meson: add gpio-fan control to GS-King-X
Neil Armstrong
narmstrong at baylibre.com
Thu Jun 9 23:42:02 PDT 2022
On 16/05/2022 14:25, Furkan Kardame wrote:
> GS-King-X has a single speed GPIO fan which is always-on by default. If
> we add controls for the fan and a trip point, the fan stays off most of
> the time, reducing background noise from the unit.
>
> Signed-off-by: Furkan Kardame <f.kardame at manjaro.org>
> ---
> .../boot/dts/amlogic/meson-g12b-gsking-x.dts | 26 +++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-gsking-x.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-gsking-x.dts
> index 6c7bfacba..243410913 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-gsking-x.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-gsking-x.dts
> @@ -19,6 +19,15 @@ aliases {
> rtc0 = &rtc;
> rtc1 = &vrtc;
> };
> +
> + gpio_fan: gpio-fan {
> + compatible = "gpio-fan";
> + gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
> + /* Using Dummy Speed */
> + gpio-fan,speed-map = <0 0
> + 1 1>;
The speed-map is not correctly indented, it should be:
gpio-fan,speed-map = <0 0>, <1 1>;
> + #cooling-cells = <2>;
> + };
This bracked is not correctly aligned
>
> gpio-keys-polled {
> compatible = "gpio-keys-polled";
> @@ -131,3 +140,20 @@ &tdmout_a {
> &tohdmitx {
> status = "okay";
> };
> +
> +&cpu_thermal {
> + trips {
> + cpu_active: cpu-active
> + temperature = <60000>; /* millicelsius */
> + hysteresis = <2000>; /* millicelsius */
> + type = "active";
> + };
> + };
> +
> + cooling-maps {
> + map {
> + trip = <&cpu_active>;
> + cooling-device = <&gpio_fan 1 THERMAL_NO_LIMIT>;
This should be: cooling-device = <&gpio_fan THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> +};
Thanks,
Neil
More information about the linux-arm-kernel
mailing list