linux-kernel - Re: [PATCH] arm64: dts: qcom: sm8550: add missing two RX Soundwire ports in configuration

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Date:   Wed, 13 Dec 2023 10:02:55 +0100
From:   neil.armstrong@...aro.org
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: sm8550: add missing two RX Soundwire
 ports in configuration

On 12/12/2023 19:54, Krzysztof Kozlowski wrote:
> The Qualcomm SM8550 RX Soundwire port configuration was taken from
> downstream sources ("rx_frame_params_default"), but without two ports.
> Correct the DTS, even though no practical impact was observed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Not adding fixes table, as I am not able to identify whether this was
> actually a bug.
> ---
>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 22 +++++++++++-----------
>   1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 17c4f0a7638a..1f06fd33d1ce 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -2109,18 +2109,18 @@ swr1: soundwire-controller@...0000 {
>   			clock-names = "iface";
>   			label = "RX";
>   
> -			qcom,din-ports = <0>;
> -			qcom,dout-ports = <10>;
> +			qcom,din-ports = <1>;
> +			qcom,dout-ports = <11>;
>   
> -			qcom,ports-sinterval =		/bits/ 16 <0x03 0x3f 0x1f 0x07 0x00 0x18f 0xff 0xff 0xff 0xff>;
> -			qcom,ports-offset1 =		/bits/ 8 <0x00 0x00 0x0b 0x01 0x00 0x00 0xff 0xff 0xff 0xff>;
> -			qcom,ports-offset2 =		/bits/ 8 <0x00 0x00 0x0b 0x00 0x00 0x00 0xff 0xff 0xff 0xff>;
> -			qcom,ports-hstart =		/bits/ 8 <0xff 0x03 0xff 0xff 0xff 0x08 0xff 0xff 0xff 0xff>;
> -			qcom,ports-hstop =		/bits/ 8 <0xff 0x06 0xff 0xff 0xff 0x08 0xff 0xff 0xff 0xff>;
> -			qcom,ports-word-length =	/bits/ 8 <0x01 0x07 0x04 0xff 0xff 0x0f 0xff 0xff 0xff 0xff>;
> -			qcom,ports-block-pack-mode =	/bits/ 8 <0xff 0x00 0x01 0xff 0xff 0x00 0xff 0xff 0xff 0xff>;
> -			qcom,ports-block-group-count =	/bits/ 8 <0xff 0xff 0xff 0xff 0x00 0x00 0xff 0xff 0xff 0xff>;
> -			qcom,ports-lane-control =	/bits/ 8 <0x01 0x00 0x00 0x00 0x00 0x00 0xff 0xff 0xff 0xff>;
> +			qcom,ports-sinterval =		/bits/ 16 <0x03 0x3f 0x1f 0x07 0x00 0x18f 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-offset1 =		/bits/ 8 <0x00 0x00 0x0b 0x01 0x00 0x00 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-offset2 =		/bits/ 8 <0x00 0x00 0x0b 0x00 0x00 0x00 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-hstart =		/bits/ 8 <0xff 0x03 0xff 0xff 0xff 0x08 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-hstop =		/bits/ 8 <0xff 0x06 0xff 0xff 0xff 0x08 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-word-length =	/bits/ 8 <0x01 0x07 0x04 0xff 0xff 0x0f 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-block-pack-mode =	/bits/ 8 <0xff 0x00 0x01 0xff 0xff 0x00 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-block-group-count =	/bits/ 8 <0xff 0xff 0xff 0xff 0x00 0x00 0xff 0xff 0xff 0xff 0xff 0xff>;
> +			qcom,ports-lane-control =	/bits/ 8 <0x01 0x00 0x00 0x00 0x00 0x00 0xff 0xff 0xff 0xff 0xff 0xff>;
>   
>   			#address-cells = <2>;
>   			#size-cells = <0>;

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>