linux-kernel - Re: [PATCH] arm64: dts: qcom: msm8916-longcheer-l8910: Add front flash LED

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Date:   Tue, 16 May 2023 03:11:03 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     André Apitzsch <git@...tzsch.eu>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stephan Gerhold <stephan@...hold.net>
Subject: Re: [PATCH] arm64: dts: qcom: msm8916-longcheer-l8910: Add front
 flash LED



On 14.05.2023 21:58, André Apitzsch wrote:
> l8910 uses OCP8110 flash LED driver. Add it to the device tree.
> 
> Tested-by: Stephan Gerhold <stephan@...hold.net>
> Signed-off-by: André Apitzsch <git@...tzsch.eu>
> ---
>  .../boot/dts/qcom/msm8916-longcheer-l8910.dts      | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts
> index b79e80913af9..81cebac117f1 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8910.dts
> @@ -20,6 +20,21 @@ chosen {
>  		stdout-path = "serial0";
>  	};
>  
> +	flash-led-controller {
> +		compatible = "ocs,ocp8110";
> +		enable-gpios = <&msmgpio 49 GPIO_ACTIVE_HIGH>;
> +		flash-gpios = <&msmgpio 119 GPIO_ACTIVE_HIGH>;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&camera_front_flash_default>;
property-n
property-names

please!
> +
> +		flash_led: led {
> +			function = LED_FUNCTION_FLASH;
> +			color = <LED_COLOR_ID_WHITE>;
> +			flash-max-timeout-us = <250000>;
> +		};
> +	};
> +
>  	gpio-keys {
>  		compatible = "gpio-keys";
>  
> @@ -246,6 +261,14 @@ button_backlight_default: button-backlight-default-state {
>  		bias-disable;
>  	};
>  
> +	camera_front_flash_default: camera-front-flash-default-state {
> +		pins = "gpio49", "gpio119";
> +		function = "gpio";
> +
Unnecessary newline

LGTM otherwise!

Konrad
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
>  	gpio_keys_default: gpio-keys-default-state {
>  		pins = "gpio107";
>  		function = "gpio";
> 
> ---
> base-commit: 533c54547153d46c0bf99ac0e396bed71f760c03
> change-id: 20230514-x5_front_flash-c189e22b32fd
> 
> Best regards,