linux-kernel - Re: [PATCH 13/13] arm64: dts: qcom: msm8939-samsung-a7: Add sound and modem

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Message-ID: <dd85dc88-467d-460c-a47f-60f3cac1cf53@linaro.org>
Date:   Tue, 26 Sep 2023 21:04:47 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Stephan Gerhold <stephan@...hold.net>,
        Bjorn Andersson <andersson@...nel.org>
Cc:     Andy Gross <agross@...nel.org>, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
Subject: Re: [PATCH 13/13] arm64: dts: qcom: msm8939-samsung-a7: Add sound and
 modem

On 26.09.2023 18:51, Stephan Gerhold wrote:
> From: "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
> 
> Enable sound and modem for the Samsung A7. The setup is similar to most
> MSM8916 devices, i.e.:
> 
>  - QDSP6 audio
>  - Earpiece/headphones/microphones via digital/analog codec in
>    MSM8916/PM8916
>  - WWAN Internet via BAM-DMUX
> 
> except for the same differences as the MSM8916-based Samsung A2015
> devices:
> 
>  - NXP TFA9895 codec for speaker on Quaternary MI2S
>  - Samsung-specific audio jack detection (not supported yet)
> 
> Signed-off-by: "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
> [Stephan: Add consistent commit message]
> Signed-off-by: Stephan Gerhold <stephan@...hold.net>
> ---
[...]

>  
> +&lpass {
> +	dai-link@3 {
> +		reg = <MI2S_QUATERNARY>;
> +		qcom,playback-sd-lines = <1>;
> +	};
> +};
reserved hw?

Konrad