linux-kernel - Re: [PATCH v1 2/5] ASoC: dt-bindings: snps,designware-i2s: Add StarFive JH7110 SoC support

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Date:   Mon, 7 Aug 2023 17:03:05 +0800
From:   Xingyu Wu <xingyu.wu@...rfivetech.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxim Kochetkov <fido_max@...ox.ru>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>
CC:     Jose Abreu <joabreu@...opsys.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Walker Chen <walker.chen@...rfivetech.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <alsa-devel@...a-project.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v1 2/5] ASoC: dt-bindings: snps,designware-i2s: Add
 StarFive JH7110 SoC support

On 2023/8/6 5:02, Krzysztof Kozlowski wrote:
> On 02/08/2023 10:42, Xingyu Wu wrote:
>> Add the StarFive JH7110 (TX0/TX1/RX channel) SoC support in the bindings
>> of Designware I2S controller. The I2S controller needs two reset items''
> 
> Thank you for your patch. There is something to discuss/improve.
> 
>>  
>>    resets:
>>      items:
>>        - description: Optional controller resets
>> +      - description: controller reset of Sampling rate
>> +    minItems: 1
>>  
>>    dmas:
>>      items:
>> @@ -51,6 +75,17 @@ properties:
>>        - const: rx
>>      minItems: 1
>>  
>> +  starfive,syscon:
>> +    $ref: /schemas/types.yaml#/definitions/phandle-array
>> +    items:
>> +      - items:
>> +          - description: phandle to System Register Controller sys_syscon node.
>> +          - description: I2S-rx enabled control offset of SYS_SYSCONSAIF__SYSCFG register.
>> +          - description: I2S-rx enabled control mask
>> +    description:
>> +      The phandle to System Register Controller syscon node and the I2S-rx(ADC)
>> +      enabled control offset and mask of SYS_SYSCONSAIF__SYSCFG register.
>> +
>>  allOf:
>>    - $ref: dai-common.yaml#
>>    - if:
>> @@ -66,6 +101,66 @@ allOf:
>>        properties:
>>          "#sound-dai-cells":
>>            const: 0
> 
> You need to constrain clocks and resets also for all other existing
> variants.
>>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: snps,designware-i2s
>> +    then:
>> +      properties:
>> +        clocks:
>> +          maxItems: 1
>> +        clock-names:
>> +          maxItems: 1
>> +        resets:
>> +          maxItems: 1
>> +    else:
>> +      properties:
>> +        resets:
>> +          minItems: 2

The resets of TX0/TX1/RX on JH7110 SoC are mentioned in 'else' here.

>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: starfive,jh7110-i2stx0
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 5
> 
> Also maxItems

Will add.

> 
>> +        clock-names:
>> +          minItems: 5
> 
> Also maxItems

Will add.

> 
> What about resets? 1 or 2 items?

Mentioned it in the 'else'.
Or do you mean I should drop the 'else' and add the resets in here?
And is the same for TX1 and RX?

> 
>> +      required:
>> +        - resets
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: starfive,jh7110-i2stx1
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 9
>> +        clock-names:
>> +          minItems: 9
> 
> resets?> 
>> +      required:
>> +        - resets
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: starfive,jh7110-i2srx
>> +    then:
>> +      properties:
>> +        clocks:
>> +          minItems: 9
>> +        clock-names:
>> +          minItems: 9
> 
> resets?
> 
>> +      required:
>> +        - resets
>> +        - starfive,syscon
>> +    else:
>> +      properties:
>> +        starfive,syscon: false
>>  
>>  required:
>>    - compatible
> 

Best regards,
Xingyu Wu