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Message-ID: <76a524a8-f87a-0147-32cd-5ef6cc55d2bc@linaro.org>
Date:   Tue, 4 Apr 2023 20:18:08 +0200
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Subject: Re: [PATCH v2 2/7] dt-bindings: soundwire: qcom: add 16-bit sample
 interval
To:     Rob Herring <robh@kernel.org>
Cc:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Vinod Koul <vkoul@kernel.org>,
        Bard Liao <yung-chuan.liao@linux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
        Sanyog Kale <sanyog.r.kale@intel.com>,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Rao Mandadapu <quic_srivasam@quicinc.com>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org,
        Patrick Lai <quic_plai@quicinc.com>
References: <20230403132503.62090-1-krzysztof.kozlowski@linaro.org>
 <20230403132503.62090-3-krzysztof.kozlowski@linaro.org>
 <20230404142159.GA3827653-robh@kernel.org>
Content-Language: en-US
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20230404142159.GA3827653-robh@kernel.org>
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On 04/04/2023 16:21, Rob Herring wrote:
>> diff --git a/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml b/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml
>> index c283c594fb5c..883b8be9be1b 100644
>> --- a/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml
>> +++ b/Documentation/devicetree/bindings/soundwire/qcom,soundwire.yaml
>> @@ -86,7 +86,7 @@ properties:
>>    qcom,ports-sinterval-low:
>>      $ref: /schemas/types.yaml#/definitions/uint8-array
>>      description:
>> -      Sample interval low of each data port.
>> +      Sample interval (only lowest byte) of each data port.
>>        Out ports followed by In ports. Used for Sample Interval calculation.
>>        Value of 0xff indicates that this option is not implemented
>>        or applicable for the respective data port.
>> @@ -94,6 +94,19 @@ properties:
>>      minItems: 3
>>      maxItems: 16
>>  
>> +  qcom,ports-sinterval:
>> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>> +    description:
>> +      Sample interval of each data port.
>> +      Out ports followed by In ports. Used for Sample Interval calculation.
>> +      Value of 0xffff indicates that this option is not implemented
>> +      or applicable for the respective data port.
>> +      More info in MIPI Alliance SoundWire 1.0 Specifications.
>> +    minItems: 3
>> +    maxItems: 16
>> +    items:
>> +      maximum: 0xffff
> 
> Why not use uint16-array?

Because I am afraid it will grow in next version to 24 or 32 bits. I can
change easily maximum, but if I put here uint16-array, all DTS will have
/bytes 16/ annotation.


Best regards,
Krzysztof