linux-kernel - Re: [PATCH] arm64: dts: qcom: sdm845-oneplus-common: add Hall sensor

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Date:   Mon, 06 Mar 2023 22:03:49 +0000
From:   Caleb Connolly <caleb@...nolly.tech>
To:     Gergo Koteles <soyer@....hu>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-oneplus-common: add Hall sensor



On 06/03/2023 17:41, Gergo Koteles wrote:
> Enable the Hall effect sensor (flip cover) for OnePlus 6/6T.
> The GPIO is mapped to SW_LID events as in msm8916, msm8994,
> msm8998 devices.
>
> Signed-off-by: Gergo Koteles <soyer@....hu>

Reviewed-by: Caleb Connolly <caleb@...nolly.tech>
> ---
>  .../boot/dts/qcom/sdm845-oneplus-common.dtsi  | 25 +++++++++++++++++++
>  1 file changed, 25 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> index 64638ea94db7..b01542d79ae2 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-common.dtsi
> @@ -29,6 +29,23 @@ chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
>
> +	gpio-hall-sensor {
> +		compatible = "gpio-keys";
> +		label = "Hall effect sensor";
> +
> +		pinctrl-0 = <&hall_sensor_default>;
> +		pinctrl-names = "default";
> +
> +		event-hall-sensor {
> +			gpios = <&tlmm 124 GPIO_ACTIVE_LOW>;
> +			label = "Hall Effect Sensor";
> +			linux,input-type = <EV_SW>;
> +			linux,code = <SW_LID>;
> +			linux,can-disable;
> +			wakeup-source;
> +		};
> +	};
> +
>  	gpio-keys {
>  		compatible = "gpio-keys";
>  		label = "Volume keys";
> @@ -753,6 +770,14 @@ &usb_1_hsphy {
>  &tlmm {
>  	gpio-reserved-ranges = <0 4>, <81 4>;
>
> +	hall_sensor_default: hall-sensor-default-state {
> +		pins = "gpio124";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +		input-enable;
> +	};
> +
>  	tri_state_key_default: tri-state-key-default-state {
>  		pins = "gpio40", "gpio42", "gpio26";
>  		function = "gpio";
> --
> 2.39.2
>

--
Kind Regards,
Caleb