linux-kernel - Re: [PATCH 1/3] arm64: dts: qcom: sm8650-hdk: add port mapping to speakers

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Date: Thu, 27 Jun 2024 15:40:00 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
 Bjorn Andersson <andersson@...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 1/3] arm64: dts: qcom: sm8650-hdk: add port mapping to
 speakers

On 27.06.2024 2:57 PM, Neil Armstrong wrote:
> Add appropriate mappings of Soundwire ports of WSA8845 speaker
> to correctly map the Speaker ports to the WSA macro ports.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/sm8650-hdk.dts | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
> index eb2f910b4f58..591e6ab9bf5b 100644
> --- a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
> @@ -1137,6 +1137,16 @@ north_spkr: speaker@0,0 {
>  		sound-name-prefix = "SpkrLeft";
>  		vdd-1p8-supply = <&vreg_l15b_1p8>;
>  		vdd-io-supply = <&vreg_l3c_1p2>;
> +
> +		/*
> +		 * WSA8845 Port 1 (DAC)     <=> SWR0 Port 1 (SPKR_L)
> +		 * WSA8845 Port 2 (COMP)    <=> SWR0 Port 2 (SPKR_L_COMP)
> +		 * WSA8845 Port 3 (BOOST)   <=> SWR0 Port 3 (SPKR_L_BOOST)
> +		 * WSA8845 Port 4 (PBR)     <=> SWR0 Port 7 (PBR)
> +		 * WSA8845 Port 5 (VISENSE) <=> SWR0 Port 10 (SPKR_L_VI)
> +		 * WSA8845 Port 6 (CPS)     <=> SWR0 Port 13 (CPS)
> +		 */
> +		qcom,port-mapping = <1 2 3 7 10 13>;
>  	};
>  
>  	/* WSA8845, Speaker South */
> @@ -1150,6 +1160,16 @@ south_spkr: speaker@0,1 {
>  		sound-name-prefix = "SpkrRight";
>  		vdd-1p8-supply = <&vreg_l15b_1p8>;
>  		vdd-io-supply = <&vreg_l3c_1p2>;
> +
> +		/*
> +		 * WSA8845 Port 1 (DAC)     <=> SWR0 Port 4 (SPKR_R)
> +		 * WSA8845 Port 2 (COMP)    <=> SWR0 Port 5 (SPKR_R_COMP)
> +		 * WSA8845 Port 3 (BOOST)   <=> SWR0 Port 6 (SPKR_R_BOOST)
> +		 * WSA8845 Port 4 (PBR)     <=> SWR0 Port 7 (PBR)
> +		 * WSA8845 Port 5 (VISENSE) <=> SWR0 Port 11 (SPKR_R_VI)
> +		 * WSA8845 Port 6 (CPS)     <=> SWR0 Port 13 (CPS)
> +		 */
> +		qcom,port-mapping = <4 5 6 7 11 13>;

I'm assuming PBR and CPS being common is intentional

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad