linux-kernel - Re: [PATCH v2 1/3] arm64: dts: qcom: sc7280: Add nodes for va tx and rx macros and external codecs

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Message-ID: <fd7f6a115ece824c75f5b8fd02f1fc84cefca176.camel@mailoo.org>
Date:   Tue, 04 Jan 2022 23:04:23 +0100
From:   Vincent Knecht <vincent.knecht@...loo.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>,
        agross@...nel.org, bjorn.andersson@...aro.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, rohitkr@...eaurora.org,
        srinivas.kandagatla@...aro.org, dianders@...omium.org,
        swboyd@...omium.org, judyhsiao@...omium.org
Cc:     Venkata Prasad Potturu <quic_potturu@...cinc.com>
Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sc7280: Add nodes for va tx
 and rx macros and external codecs

Le lundi 03 janvier 2022 à 16:42 +0530, Srinivasa Rao Mandadapu a écrit :
> SC7280 has VA, TX and RX macros with SoundWire Controllers to attach with
> codecs like WCD938x, max98360a using soundwire masters and i2s bus.
> Add these nodes for sc7280 based platforms audio use case.
> Add tlmm gpio property in wcd938x node for switching CTIA/OMTP Headset.
> 
> Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
> Co-developed-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> Signed-off-by: Venkata Prasad Potturu <quic_potturu@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-crd.dts  |   4 ++
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi |  52 ++++++++++++++
>  arch/arm64/boot/dts/qcom/sc7280.dtsi     | 113 +++++++++++++++++++++++++++++++
>  3 files changed, 169 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-crd.dts b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> index cd2755c..035cca9 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> +++ b/arch/arm64/boot/dts/qcom/sc7280-crd.dts
> @@ -72,6 +72,10 @@ ap_ts_pen_1v8: &i2c13 {
>         pins = "gpio51";
>  };
>  
> +&wcd938x {
> +       qcom,us-euro-gpios = <&tlmm 81 0>;
> +};
> +

Maybe using a defined value is possible, rather than an obscure zero ?
GPIO_ACTIVE_HIGH ?