linux-kernel - Re: [PATCH v3 08/12] arm64: dts: qcom: sm4250: add description of soundwire and dmic pins

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Message-ID: <a8b2f310-2b1b-454b-9977-f74d975e6e66@oss.qualcomm.com>
Date: Thu, 22 May 2025 20:12:42 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Alexey Klimov <alexey.klimov@...aro.org>,
        Srinivas Kandagatla <srini@...nel.org>,
        Mark Brown <broonie@...nel.org>, linux-sound@...r.kernel.org
Cc: Liam Girdwood <lgirdwood@...il.com>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Dmitry Baryshkov <lumag@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH v3 08/12] arm64: dts: qcom: sm4250: add description of
 soundwire and dmic pins

On 5/22/25 7:40 PM, Alexey Klimov wrote:
> Adds data and clock pins description (their active state) of
> soundwire masters and onboard DMIC.
> 
> Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm4250.dtsi | 62 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm4250.dtsi b/arch/arm64/boot/dts/qcom/sm4250.dtsi
> index cd8c8e59976e5dc4b48d0e14566cf142895711d5..723391ba9aa21d84ba2dda23932c20bd048fbe80 100644
> --- a/arch/arm64/boot/dts/qcom/sm4250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm4250.dtsi
> @@ -37,10 +37,36 @@ &cpu7 {
>  	compatible = "qcom,kryo240";
>  };
>  
> +&swr0 {
> +	pinctrl-0 = <&lpass_tx_swr_active>;
> +	pinctrl-names = "default";
> +};
> +
> +&swr1 {
> +	pinctrl-0 = <&lpass_rx_swr_active>;
> +	pinctrl-names = "default";
> +};
> +
>  &lpass_tlmm {
>  	compatible = "qcom,sm4250-lpass-lpi-pinctrl";
>  	gpio-ranges = <&lpass_tlmm 0 0 27>;
>  
> +	lpass_dmic01_active: lpass-dmic01-active-state {
> +		clk-pins {
> +			pins = "gpio6";
> +			function = "dmic01_clk";
> +			drive-strength = <8>;
> +			output-high;
> +		};
> +
> +		data-pins {
> +			pins = "gpio7";
> +			function = "dmic01_data";
> +			drive-strength = <8>;
> +			input-enable;
> +		};

Other SoCs put these in the common dtsi

Konrad