On Sun, Mar 08, 2026 at 04:52:46PM +0100, Cristian Cozzolino via B4 Relay wrote:
> From: Cristian Cozzolino <[email protected]>
>
> Enable the Hall effect sensor (flip cover) for Billion Capture+.
> The GPIO is mapped to SW_LID events as in other qcom devices.
>
> Signed-off-by: Cristian Cozzolino <[email protected]>
> ---
> .../arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts | 25
> ++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
> b/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
> index 709ea6fc9fbb..83812050a0a3 100644
> --- a/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8953-flipkart-rimob.dts
> @@ -44,6 +44,24 @@ framebuffer@90001000 {
> };
> };
>
> + gpio-hall-sensor {
> + compatible = "gpio-keys";
Is there a reason to have a separate device for it? It can be squashed
into the following gpio-keys.
> +
> + pinctrl-0 = <&hall_sensor_default>;
> + pinctrl-names = "default";
> +
> + label = "GPIO Hall Effect Sensor";
> +
> + event-hall-sensor {
> + label = "Hall Effect Sensor";
> + gpios = <&tlmm 46 GPIO_ACTIVE_LOW>;
> + linux,input-type = <EV_SW>;
> + linux,code = <SW_LID>;
> + linux,can-disable;
> + wakeup-source;
> + };
> + };
> +
> gpio-keys {
> compatible = "gpio-keys";
>
> @@ -335,6 +353,13 @@ gpio_key_default: gpio-key-default-state {
> bias-pull-up;
> };
>
> + hall_sensor_default: hall-sensor-default-state {
> + pins = "gpio46";
> + function = "gpio";
> + drive-strength = <2>;
> + bias-disable;
> + };
> +
> mdss_default: mdss-default-state {
> pins = "gpio61";
> function = "gpio";
>
> --
> 2.52.0
>
>
--
With best wishes
Dmitry
