linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: sm8750: Add Soundwire nodes

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Message-ID: <e83b58ea-0124-4619-82a5-35134dc0a935@oss.qualcomm.com>
Date: Fri, 25 Apr 2025 11:24:41 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        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>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] arm64: dts: qcom: sm8750: Add Soundwire nodes

On 4/24/25 11:40 AM, Krzysztof Kozlowski wrote:
> Add Soundwire controllers on SM8750, fully compatible with earlier
> SM8650 generation.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8750.dtsi | 122 +++++++++++++++++++++++++++++++++++
>  1 file changed, 122 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> index 149d2ed17641a085d510f3a8eab5a96304787f0c..1e7aa25c675e76ce6aa571e04d7117b8c2ab25f8 100644
> --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> @@ -2257,6 +2257,36 @@ lpass_wsa2macro: codec@...0000 {
>  			#sound-dai-cells = <1>;
>  		};
>  
> +		swr3: soundwire@...0000 {
> +			compatible = "qcom,soundwire-v2.0.0";

They're v2.1.0, same on 8650, there's a number of new registers

[...]


> +		swr2: soundwire@...0000 {
> +			compatible = "qcom,soundwire-v2.0.0";
> +			reg = <0 0x07630000 0 0x10000>;
> +			interrupts = <GIC_SPI 761 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 785 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "core", "wakeup";
> +			clocks = <&lpass_txmacro>;
> +			clock-names = "iface";
> +			label = "TX";
> +
> +			pinctrl-0 = <&tx_swr_active>;
> +			pinctrl-names = "default";
> +
> +			qcom,din-ports = <4>;
> +			qcom,dout-ports = <0>;

There's 1 OUT port on this instance

otherwise (modulo the settings I don't have a reference for)

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad