Re: [EXTERNAL] Re: [PATCH v3 4/4] ASoc: dt-bindings: PCM6240: Add initial DT binding

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On 07/02/2024 10:47, Ding, Shenghao wrote:
> 
> 
>> -----Original Message-----
>> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>> Sent: Tuesday, February 6, 2024 9:53 PM
>> To: Ding, Shenghao <shenghao-ding@xxxxxx>; broonie@xxxxxxxxxx;
>> conor+dt@xxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; robh+dt@xxxxxxxxxx;
>> andriy.shevchenko@xxxxxxxxxxxxxxx; linux-sound@xxxxxxxxxxxxxxx;
>> liam.r.girdwood@xxxxxxxxx; lgirdwood@xxxxxxxxx; linux-
>> kernel@xxxxxxxxxxxxxxx
>> Cc: Lu, Kevin <kevin-lu@xxxxxx>; Xu, Baojun <baojun.xu@xxxxxx>; P O, Vijeth
>> <v-po@xxxxxx>; Navada Kanyana, Mukund <navada@xxxxxx>;
>> perex@xxxxxxxx; McPherson, Jeff <j-mcpherson@xxxxxx>; pierre-
>> louis.bossart@xxxxxxxxxxxxxxx; 13916275206@xxxxxxx; Chawla, Mohit
>> <mohit.chawla@xxxxxx>; soyer@xxxxxx; Huang, Jonathan
>> <jkhuang3@xxxxxx>; tiwai@xxxxxxx; Djuandi, Peter <pdjuandi@xxxxxx>;
>> Agrawal, Manisha <manisha.agrawal@xxxxxx>; Hari, Raj <s-hari@xxxxxx>;
>> Yashar, Avi <aviel@xxxxxx>; Nagalla, Hari <hnagalla@xxxxxx>; Bajjuri,
>> Praneeth <praneeth@xxxxxx>
>> Subject: [EXTERNAL] Re: [PATCH v3 4/4] ASoc: dt-bindings: PCM6240: Add
>> initial DT binding
>>
>> On 03/02/2024 04: 05, Shenghao Ding wrote: > + > + ti,tad5212: Low-power
>> stereo audio DAC with 120-dB dynamic range. > + oneOf: > + - items: > + -
>> enum: > + - ti,adc3120 > + - ti,adc5120 > + - ti,pcm3120 > + - ti,pcm5120
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>> On 03/02/2024 04:05, Shenghao Ding wrote:
>>> +
>>> +      ti,tad5212: Low-power stereo audio DAC with 120-dB dynamic range.
>>> +    oneOf:
>>> +      - items:
>>> +          - enum:
>>> +              - ti,adc3120
>>> +              - ti,adc5120
>>> +              - ti,pcm3120
>>> +              - ti,pcm5120
>>> +              - ti,pcm6120
>>> +          - const: ti,adc6120
>>> +      - items:
>>> +          - enum:
>>> +              - ti,pcm6260
>>> +              - ti,pcm6140
>>> +              - ti,pcm3140
>>> +              - ti,pcm5140
>>> +          - const: ti,pcm6240
>>> +      - items:
>>> +          - const: ti,dix4192
>>> +          - const: ti,pcm6240
>>
>> Why dix4192 is not part of previous enum?
> 
> dix4192 is not traditional ADC or DAC, but an Integrated Digital Audio Interface 
> Receiver and Transmitter, like an audio bridge to connect different digital audio 
> protocol, compatible with the AES3, S/PDIF, IEC 60958, and EIAJ CP-1201 
> interface standards, Left-Justified, Right-Justified, and Philips I2S™ Data Formats. 
> So keep it alone for professional purpose. 

Hm, it is a bit surprising to see some PCM6240-compatible devices 100%
different from other PCM6240-compatible. PCM6240 is ADC. DIX4192 is not
ADC, not even DAC. How can it be compatible with PCM6240 in such case?

Best regards,
Krzysztof





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