linux-kernel - Re: [PATCH v4 7/8] arm64: dts: qcom: qcm6490-idp: Add WSA8830 speakers and WCD9370 headset codec

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Message-ID: <43581d09-4e30-42bc-9c5f-9c40f5d2cb39@oss.qualcomm.com>
Date: Sat, 31 May 2025 14:35:12 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Prasad Kumpatla <quic_pkumpatl@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Srinivas Kandagatla <srini@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org,
        kernel@....qualcomm.com, Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Subject: Re: [PATCH v4 7/8] arm64: dts: qcom: qcm6490-idp: Add WSA8830
 speakers and WCD9370 headset codec

On 5/27/25 1:12 PM, Prasad Kumpatla wrote:
> From: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
> 
> Add nodes for WSA8830 speakers and WCD9370 headset codec
> on qcm6490-idp board.
> 
> Enable lpass macros along with audio support pin controls.
> 
> Signed-off-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
> Co-developed-by: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
> Signed-off-by: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
> ---

[...]

>  &uart5 {
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi b/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi
> index 542a39ca72bb..2e75e7706fb4 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-audioreach.dtsi
> @@ -29,6 +29,30 @@ &lpass_dmic23_data {
>  	bias-pull-down;
>  };
>  
> +&lpass_rx_swr_clk {
> +	drive-strength = <2>;
> +	slew-rate = <1>;
> +	bias-disable;
> +};
> +
> +&lpass_rx_swr_data {
> +	drive-strength = <2>;
> +	slew-rate = <1>;
> +	bias-bus-hold;
> +};
> +
> +&lpass_tx_swr_clk {
> +	drive-strength = <2>;
> +	slew-rate = <1>;
> +	bias-disable;
> +};
> +
> +&lpass_tx_swr_data {
> +	drive-strength = <2>;
> +	slew-rate = <1>;
> +	bias-bus-hold;
> +};

All other DTs that overwrite these pins seem to be setting the
exact same settings.. And given this pin is connected to an on-SoC
peripheral, I think it would make sense to consolidate these in
sc7280.dtsi

Konrad