On Fri, Jan 16, 2026 at 03:22:52PM +0100, Luca Weiss wrote:
> Add a node for the Hall Effect sensor, used to detect whether the Flip
> Cover is closed or not.
>
> The sensor is powered through vreg_l10b, so let's put a
> regulator-always-on on that to make sure the sensor gets power.
>
> Signed-off-by: Luca Weiss <[email protected]>
> ---
> arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
> b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
> index 7629ceddde2a..98b3fc654206 100644
> --- a/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
> +++ b/arch/arm64/boot/dts/qcom/milos-fairphone-fp6.dts
> @@ -32,6 +32,16 @@ gpio-keys {
> pinctrl-0 = <&volume_up_default>;
It would be nice to add pinctrl for it too.
> pinctrl-names = "default";
>
> + /* Powered by the always-on vreg_l10b */
> + event-hall-sensor {
> + label = "Hall Effect Sensor";
> + gpios = <&tlmm 70 GPIO_ACTIVE_LOW>;
> + linux,input-type = <EV_SW>;
> + linux,code = <SW_LID>;
> + linux,can-disable;
> + wakeup-source;
> + };
> +
> key-volume-up {
> label = "Volume Up";
> gpios = <&pm7550_gpios 6 GPIO_ACTIVE_LOW>;
> @@ -316,6 +326,8 @@ vreg_l10b: ldo10 {
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <1800000>;
> regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> + /* Hall sensor VDD */
> + regulator-always-on;
> };
>
> vreg_l11b: ldo11 {
>
> ---
> base-commit: ef1c7b875741bef0ff37ae8ab8a9aaf407dc141c
> change-id: 20260116-fp6-hall-sensor-1049f2f872ac
>
> Best regards,
> --
> Luca Weiss <[email protected]>
>
--
With best wishes
Dmitry
