linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: sm8550-qrd: add sound card

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Message-ID: <17535d7a-73e2-465b-941c-99db4092327a@quicinc.com>
Date:   Fri, 3 Nov 2023 16:10:26 -0700
From:   Elliot Berman <quic_eberman@...cinc.com>
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 1/2] arm64: dts: qcom: sm8550-qrd: add sound card

Hi Krzysztof,

On 6/12/2023 10:37 AM, Krzysztof Kozlowski wrote:
> Add the sound card node with tested playback over WSA8845 speakers and
> WCD9385 headset over USB Type-C.  The recording links were not tested,
> but should be similar to previous platforms.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> Bindings for the sound card were not sent to LKML. Work-in-progress is
> available here:
> https://github.com/krzk/linux/tree/n/audio-wsa884x-on-top-of-wip-sm8450-audio-on-next

Do you plan to send the bindings up? I can send this patch out if you don't have the cycle:

https://github.com/krzk/linux/commit/f678691570386a11eb75dceca7291b4e05d981da

> 
> Depends on my previous patch adding WSA8845 speakers:
> https://lore.kernel.org/linux-arm-msm/20230608094323.267278-1-krzysztof.kozlowski@linaro.org/T/#t
> ---
>  arch/arm64/boot/dts/qcom/sm8550-qrd.dts | 81 +++++++++++++++++++++++++
>  1 file changed, 81 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> index 7ef7079dd640..cb0369fbbc81 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-qrd.dts
> @@ -97,6 +97,87 @@ pmic_glink_sbu: endpoint {
>  		};
>  	};
>  
> +	sound {
> +		compatible = "qcom,sm8550-sndcard", "qcom,sm8450-sndcard";
> +		model = "SM8550-QRD";
> +		audio-routing = "SpkrLeft IN", "WSA_SPK1 OUT",
> +				"SpkrRight IN", "WSA_SPK2 OUT",
> +				"IN1_HPHL", "HPHL_OUT",
> +				"IN2_HPHR", "HPHR_OUT",
> +				"AMIC2", "MIC BIAS2",
> +				"VA DMIC0", "MIC BIAS1",
> +				"VA DMIC1", "MIC BIAS1",
> +				"VA DMIC2", "MIC BIAS3",
> +				"TX DMIC0", "MIC BIAS1",
> +				"TX DMIC1", "MIC BIAS2",
> +				"TX DMIC2", "MIC BIAS3",
> +				"TX SWR_ADC1", "ADC2_OUTPUT";
> +
> +		wcd-playback-dai-link {
> +			link-name = "WCD Playback";
> +
> +			cpu {
> +				sound-dai = <&q6apmbedai RX_CODEC_DMA_RX_0>;
> +			};
> +
> +			codec {
> +				sound-dai = <&wcd938x 0>, <&swr1 0>, <&lpass_rxmacro 0>;
> +			};
> +
> +			platform {
> +				sound-dai = <&q6apm>;
> +			};
> +		};
> +
> +		wcd-capture-dai-link {
> +			link-name = "WCD Capture";
> +
> +			cpu {
> +				sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;
> +			};
> +
> +			codec {
> +				sound-dai = <&wcd938x 1>, <&swr2 0>, <&lpass_txmacro 0>;
> +			};
> +
> +			platform {
> +				sound-dai = <&q6apm>;
> +			};
> +		};
> +
> +		wsa-dai-link {
> +			link-name = "WSA Playback";
> +
> +			cpu {
> +				sound-dai = <&q6apmbedai WSA_CODEC_DMA_RX_0>;
> +			};
> +
> +			codec {
> +				sound-dai = <&north_spkr>, <&south_spkr>, <&swr0 0>, <&lpass_wsamacro 0>;
> +			};
> +
> +			platform {
> +				sound-dai = <&q6apm>;
> +			};
> +		};
> +
> +		va-dai-link {
> +			link-name = "VA Capture";
> +
> +			cpu {
> +				sound-dai = <&q6apmbedai TX_CODEC_DMA_TX_3>;
> +			};
> +
> +			codec {
> +				sound-dai = <&lpass_vamacro 0>;
> +			};
> +
> +			platform {
> +				sound-dai = <&q6apm>;
> +			};
> +		};
> +	};
> +
>  	vph_pwr: vph-pwr-regulator {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vph_pwr";