Re: [PATCH v1 2/2] arm64: dts: qcom: msm8916-alcatel-idol347: add LED indicator

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On 29/10/2022 10:55, Vincent Knecht wrote:
> Add si-en,sn3190 LED controller to enable white LED indicator.
> 
> This requires adding the additional "enable" gpio that the OEM
> choose to use, despite it not being mentioned in si-en,sn3190
> datasheet nor supported by the driver.
> 
> Signed-off-by: Vincent Knecht <vincent.knecht@xxxxxxxxxx>
> ---
>  .../boot/dts/qcom/msm8916-alcatel-idol347.dts | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> index 3a0a593899ae..952ae092e6ae 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> @@ -130,6 +130,27 @@ gyroscope@68 {
>  	};
>  };
>  
> +&blsp_i2c6 {
> +	status = "okay";
> +
> +	led-controller@68 {
> +		compatible = "si-en,sn3190";
> +		reg = <0x68>;
> +		shutdown-gpios = <&msmgpio 89 GPIO_ACTIVE_HIGH>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&led_enable_default &led_shutdown_default>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		led@1 {
> +			reg = <1>;
> +			led-max-microamp = <5000>;
> +			function = LED_FUNCTION_INDICATOR;
> +			color = <LED_COLOR_ID_WHITE>;
> +		};
> +	};
> +};
> +
>  &pm8916_resin {
>  	status = "okay";
>  	linux,code = <KEY_VOLUMEDOWN>;
> @@ -306,6 +327,29 @@ gyro_int_default: gyro-int-default {
>  		bias-disable;
>  	};
>  
> +	/*
> +	 * The OEM wired an additional GPIO to be asserted so that
> +	 * the si-en,sn3190 LED IC works. Since this GPIO is not
> +	 * part of the IC datasheet nor supported by the driver,
> +	 * force it asserted here.
> +	 */
> +	led_enable_default: led-enable-default {

Add suffix to node name: "-state"

Same in other places. Bindings require it now.

Best regards,
Krzysztof




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