Re: [PATCH] arm64: dts: qcom: sm8750-mtp: Add speaker Soundwire port mapping
From: Dmitry Baryshkov
Date: Thu Aug 21 2025 - 06:37:42 EST
On Wed, Aug 20, 2025 at 04:12:34PM +0200, Krzysztof Kozlowski wrote:
> Add appropriate mappings of Soundwire ports of WSA883x speaker
> to correctly map the Speaker ports to the WSA macro ports.
Would it make sense to define constants for these values?
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
> arch/arm64/boot/dts/qcom/sm8750-mtp.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> index 75cfbb510be5..946ba53fe63a 100644
> --- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
> @@ -938,6 +938,13 @@ left_spkr: speaker@0,1 {
> sound-name-prefix = "SpkrLeft";
> #thermal-sensor-cells = <0>;
> vdd-supply = <&vreg_l15b_1p8>;
> + /*
> + * WSA8835 Port 1 (DAC) <=> SWR0 Port 1 (SPKR_L)
> + * WSA8835 Port 2 (COMP) <=> SWR0 Port 2 (SPKR_L_COMP)
> + * WSA8835 Port 3 (BOOST) <=> SWR0 Port 3 (SPKR_L_BOOST)
> + * WSA8835 Port 4 (VISENSE) <=> SWR0 Port 10 (SPKR_L_VI)
> + */
> + qcom,port-mapping = <1 2 3 10>;
> };
>
> /* WSA883x, right/back speaker */
> @@ -951,6 +958,13 @@ right_spkr: speaker@0,2 {
> sound-name-prefix = "SpkrRight";
> #thermal-sensor-cells = <0>;
> vdd-supply = <&vreg_l15b_1p8>;
> + /*
> + * WSA8835 Port 1 (DAC) <=> SWR0 Port 4 (SPKR_R)
> + * WSA8835 Port 2 (COMP) <=> SWR0 Port 5 (SPKR_R_COMP)
> + * WSA8835 Port 3 (BOOST) <=> SWR0 Port 6 (SPKR_R_BOOST)
> + * WSA8835 Port 4 (VISENSE) <=> SWR0 Port 11 (SPKR_R_VI)
> + */
> + qcom,port-mapping = <4 5 6 11>;
> };
> };
>
> --
> 2.48.1
>
--
With best wishes
Dmitry