linux-kernel - Re: [PATCH v1 2/2] arm64: dts: qcom: qcs9075-evk: Add sound card

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Message-ID: <04a93057-c67b-4042-9ff9-fec4183a85ab@oss.qualcomm.com>
Date: Tue, 27 May 2025 13:25:38 +0530
From: Mohammad Rafi Shaik <mohammad.rafi.shaik@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....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 v1 2/2] arm64: dts: qcom: qcs9075-evk: Add sound card



On 5/25/2025 10:43 PM, Dmitry Baryshkov wrote:
> On 25/05/2025 18:53, Mohammad Rafi Shaik wrote:
>> Add the sound card node with tested playback over max98357a
>> i2s speakers and i2s mic.
> 
> I2S
> 
> speaker amplifier

Ack, will update in next patch version
> 
>>
>> Introduce HS (High-Speed) MI2S pin control support.
>> The I2S max98357a speaker is connected via HS0 and I2S
> 
> speaker amplifier

Ack

> 
>> 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 0e44e0e6dbd4..1ebf42b0b10e 100644
>> --- a/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts
>> +++ b/arch/arm64/boot/dts/qcom/qcs9075-iq-9075-evk.dts
>> @@ -6,6 +6,7 @@
>>   #include <dt-bindings/gpio/gpio.h>
>>   #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>> +#include <dt-bindings/sound/qcom,q6afe.h>
>>   #include "qcs9075-som.dtsi"
>> @@ -20,6 +21,57 @@ aliases {
>>       chosen {
>>           stdout-path = "serial0:115200n8";
>>       };
>> +
>> +    max98357a: audio-codec-0 {
>> +        compatible = "maxim,max98357a";
>> +        #sound-dai-cells = <0>;
>> +    };
>> +
>> +    dmic_codec: dmic-codec {
> 
> Just dmic or audio-codec-1

Ack,

Yes right, should be audio-codec-1

will update in next version.
> 
>> +        compatible = "dmic-codec";
>> +        #sound-dai-cells = <0>;
>> +        num-channels = <1>;
>> +    };
>> +
>> +    sound {
>> +        compatible = "qcom,qcs9075-sndcard";
>> +        model = "qcs9075-rb8-snd-card";
> 
> Were the bindings and the driver sent? Cover letter doesn't mention 
> them. It is better to send them as a single patch series (this is the 
> case for all subsys except net-next and trees maintained by Greg, e.g. 
> USB).
>

https://lore.kernel.org/linux-sound/174773911882.44858.10139663344496764867.b4-ty@kernel.org/

The Bindings and driver compatible change is already merged, Will add 
patch link in next version cover-letter.

Thanks & Regards,
Mohammad Rafi Shaik

> +
>> +        pinctrl-0 = <&hs0_mi2s_active>, <&hs2_mi2s_active>;
>> +        pinctrl-names = "default";
>> +
>> +        hs0-mi2s-playback-dai-link {
>> +            link-name = "HS0 mi2s playback";
>> +
>> +            codec {
>> +                sound-dai = <&max98357a>;
>> +            };
>> +
>> +            cpu {
>> +                sound-dai = <&q6apmbedai PRIMARY_MI2S_RX>;
>> +            };
>> +
>> +            platform {
>> +                sound-dai = <&q6apm>;
>> +            };
>> +        };
>> +
>> +        hs2-mi2s-capture-dai-link {
>> +            link-name = "HS2 mi2s capture";
>> +
>> +            codec {
>> +                sound-dai = <&dmic_codec>;
>> +            };
>> +
>> +            cpu {
>> +                sound-dai = <&q6apmbedai TERTIARY_MI2S_TX>;
>> +            };
>> +
>> +            platform {
>> +                sound-dai = <&q6apm>;
>> +            };
>> +        };
>> +    };
>>   };
>