Re: [PATCH v5 4/5] dt-bindings: iio: adc: ad7192: Add AD7194 support

[David Lechner]

On 4/15/24 8:08 AM, Alisa-Dariana Roman wrote:
> On 14.04.2024 00:19, Krzysztof Kozlowski wrote:
>> On 13/04/2024 17:11, Alisa-Dariana Roman wrote:
>>> Unlike the other AD719Xs, AD7194 has configurable differential
>>> channels. The user can dynamically configure them in the devicetree.
>>>
>>> Also add an example for AD7194 devicetree.
>>>
>>> Signed-off-by: Alisa-Dariana Roman <alisa.roman@xxxxxxxxxx>
>>> ---
>>>   .../bindings/iio/adc/adi,ad7192.yaml          | 74 +++++++++++++++++++
>>>   1 file changed, 74 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
>>> index ba506af3b73e..855f0a2d7d75 100644
>>> --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
>>> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
> 
> ...
> 
>>
>>> +  "^channel@[0-9]+$":
>>
>> Why restricting the pattern? If you have 256 channels, how are you going
>> to encode it?
> 
> Hi Krzysztof,
> 
> Thank you for your feedback! I applied the rest, but as for this one isn't channel@1 -> channel@256 encoding sufficient?
> 
> Kind regards,
> Alisa-Dariana Roman
> 
> 

The number after @ is hexidecimal (without leading 0x), so it should be
[0-9a-f]. channel@0 to channel@ff.