linux-kernel - Re: [PATCH v1 4/8] arm64: dts: qcom: qcs6490-rb3gen2: add WSA8830 speakers amplifier

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Message-ID: <Z+Q5IM0Qj8J5xZUm@trex>
Date: Wed, 26 Mar 2025 18:28:00 +0100
From: Jorge Ramirez <jorge.ramirez@....qualcomm.com>
To: Prasad Kumpatla <quic_pkumpatl@...cinc.com>
Cc: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@....qualcomm.com, Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Subject: Re: [PATCH v1 4/8] arm64: dts: qcom: qcs6490-rb3gen2: add WSA8830
 speakers amplifier

On 17/03/25 11:11:47, Prasad Kumpatla wrote:
> From: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
> 
> Add nodes for WSA8830 speakers amplifier on qcs6490-rb3gen2 board.
> 
> 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>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 27 ++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 23dea375c213..a1a3df77ad57 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -870,6 +870,33 @@ &sdhc_2 {
>  	status = "okay";
>  };
>  
> +&swr2 {
> +	qcom,din-ports = <0>;
> +	qcom,dout-ports = <8>;

are these number of ports correct? from my unit tests, 8 seems to be out
of bounds (soundwire probe error)

> +
> +	left_spkr: speaker@0,1 {
> +		compatible = "sdw10217020200";
> +		reg = <0 1>;
> +		powerdown-gpios = <&tlmm 158 GPIO_ACTIVE_LOW>;
> +		#sound-dai-cells = <0>;
> +		sound-name-prefix = "SpkrLeft";
> +		#thermal-sensor-cells = <0>;
> +		vdd-supply = <&vreg_l18b_1p8>;
> +		qcom,port-mapping = <1 2 3 7>;
> +	};
> +
> +	right_spkr: speaker@0,2 {
> +		compatible = "sdw10217020200";
> +		reg = <0 2>;
> +		powerdown-gpios = <&tlmm 158 GPIO_ACTIVE_LOW>;
> +		#sound-dai-cells = <0>;
> +		sound-name-prefix = "SpkrRight";
> +		#thermal-sensor-cells = <0>;
> +		vdd-supply = <&vreg_l18b_1p8>;
> +		qcom,port-mapping = <4 5 6 8>;
> +	};
> +};
> +

also, should we enable the soundwire controller?

>  &tlmm {
>  	gpio-reserved-ranges = <32 2>, /* ADSP */
>  			       <48 4>; /* NFC */
> -- 
> 2.34.1
>