Re: [PATCH v2 3/8] ASoC: dt-bindings: wcd937x-sdw: add bindings for wcd937x-sdw

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On 17/04/2024 10:17, Mohammad Rafi Shaik wrote:
> On 4/16/2024 8:02 PM, Rob Herring wrote:
>> On Tue, Apr 16, 2024 at 12:05:55PM +0530, Mohammad Rafi Shaik wrote:
>>> From: Prasad Kumpatla <quic_pkumpatl@xxxxxxxxxxx>
>>>
>>> Qualcomm WCD9370/WCD9375 Codec is a standalone Hi-Fi audio codec IC
>>> connected over SoundWire. This device has two SoundWire devices RX and
>>> TX respectively.
>>> This binding is for those slave devices on WCD9370/WCD9375.
>>>
>>> Co-developed-by: Mohammad Rafi Shaik <quic_mohs@xxxxxxxxxxx>
>>> Signed-off-by: Mohammad Rafi Shaik <quic_mohs@xxxxxxxxxxx>
>>> Signed-off-by: Prasad Kumpatla <quic_pkumpatl@xxxxxxxxxxx>
>>> ---
>>>   .../bindings/sound/qcom,wcd937x-sdw.yaml      | 71 +++++++++++++++++++
>>>   1 file changed, 71 insertions(+)
>>>   create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>>>
>>> diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>>> new file mode 100644
>>> index 000000000000..2b7358e266ba
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/sound/qcom,wcd937x-sdw.yaml
>>> @@ -0,0 +1,71 @@
>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/sound/qcom,wcd937x-sdw.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm SoundWire Slave devices on WCD9370
>>> +
>>> +maintainers:
>>> +  - Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
>>> +
>>> +description: |
>>
>> Don't need '|' if no formatting.
>>
>>> +  Qualcomm WCD9370 Codec is a standalone Hi-Fi audio codec IC.
>>> +  It has RX and TX Soundwire slave devices. This bindings is for the
>>> +  slave devices.
>>> +
>>> +properties:
>>> +  compatible:
>>> +    const: sdw20217010a00
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  qcom,tx-port-mapping:
>>> +    description: |
>>> +      Specifies static port mapping between slave and master tx ports.
>>> +      In the order of slave port index.
>>
>> Are there constraints on the values of the entries?
> 
> The port mapping entries are fixed values.
> There is no constraints.

If they are fixed, then for sure you have constraints, because they are
known. I really do not understand your response.

Best regards,
Krzysztof




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