linux-kernel - Re: [PATCH v2 2/2] arm64: dts: qcom: qcs9075-evk: Add sound card

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Message-ID: <e824ea10-303c-4d78-bb92-24320c26f84a@oss.qualcomm.com>
Date: Fri, 27 Jun 2025 16:46:37 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_pkumpatl@...cinc.com,
        kernel@....qualcomm.com
Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: qcs9075-evk: Add sound card

On 6/16/25 9:04 AM, Mohammad Rafi Shaik wrote:
> Add the sound card node with tested playback over max98357a
> I2S speakers amplifier and I2S mic.
> 
> Introduce HS (High-Speed) MI2S pin control support.
> The I2S max98357a speaker amplifier is connected via HS0 and I2S
> microphones utilize the HS2 interface.
> 
> Signed-off-by: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
> ---
>  .../boot/dts/qcom/qcs9075-iq-9075-evk.dts     | 52 +++++++++++++++++++
>  arch/arm64/boot/dts/qcom/sa8775p.dtsi         | 14 +++++
>  2 files changed, 66 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts b/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts
> index ab161180d1d5..d073c6f95d4c 100644
> --- a/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts
> @@ -5,6 +5,7 @@
>  /dts-v1/;
>  
>  #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/sound/qcom,q6afe.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>

'r'egulator < 's'ound>  
>  #include "qcs9075.dtsi"
> @@ -21,6 +22,57 @@ aliases {
>  	chosen {
>  		stdout-path = "serial0:115200n8";
>  	};
> +
> +	max98357a: audio-codec-0 {
> +		compatible = "maxim,max98357a";
> +		#sound-dai-cells = <0>;
> +	};
> +
> +	dmic: audio-codec-1 {
> +		compatible = "dmic-codec";
> +		#sound-dai-cells = <0>;
> +		num-channels = <1>;
> +	};
> +
> +	sound {
> +		compatible = "qcom,qcs9075-sndcard";
> +		model = "qcs9075-iq-evk-snd-card";
> +
> +		pinctrl-0 = <&hs0_mi2s_active>, <&hs2_mi2s_active>;
> +		pinctrl-names = "default";
> +
> +		hs0-mi2s-playback-dai-link {
> +			link-name = "HS0 mi2s playback";

"HS0 MI2S Playback", please, similarly below

lg otherwise

Konrad