[PATCH v4 1/4] arm64: dts: rk3399-pinephone-pro: Add light/proximity sensor support

[Diederik de Haas]

Hi,

On Mon Sep 29, 2025 at 9:35 AM CEST, Rudraksha Gupta via B4 Relay wrote:
> From: Ondrej Jirman <megi at xff.cz>
>
> Pinephone Pro uses STK3311 according to the schematics.
> ...
> Co-developed-by: Martijn Braam <martijn at brixit.nl>
> Signed-off-by: Martijn Braam <martijn at brixit.nl>
> Co-developed-by: Kamil Trzciński <ayufan at ayufan.eu>
> Signed-off-by: Kamil Trzciński <ayufan at ayufan.eu>
> Signed-off-by: Ondrej Jirman <megi at xff.cz>
> Signed-off-by: Rudraksha Gupta <guptarud at gmail.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> index 6f97e57f36f5599f4027a0f3db98bcbc69cef5e5..71d32c4bae0d0336ac0c912043618fc9b94919ef 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> @@ -520,6 +520,15 @@ touchscreen at 14 {
>  		touchscreen-size-x = <720>;
>  		touchscreen-size-y = <1440>;
>  	};
> +
> +	light-sensor at 48 {
> +		compatible = "sensortek,stk3311";
> +		reg = <0x48>;
> +		interrupt-parent = <&gpio4>;
> +		interrupts = <RK_PD3 IRQ_TYPE_EDGE_FALLING>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&stk3311_int>;
> +	};
>  };
>  
>  &i2c4 {
> @@ -689,6 +698,12 @@ vcc1v8_codec_en: vcc1v8-codec-en {
>  		};
>  	};
>  
> +	stk3311 {
> +		stk3311_int: stk3311-int {
> +			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_input_pull_up>;

On page 11 and 17 of PPP schematic V1.0-20211127 I see LIGHT_INT_L as
identifier so it's best to use that identifier here, thus
``light_int_l: light-int-l {``
and update the pinctrl-0 reference accordingly.

Cheers,
  Diederik

> +		};
> +	};
> +
>  	wireless-bluetooth {
>  		bt_wake_pin: bt-wake-pin {
>  			rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;

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