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

From: Krzysztof Kozlowski
Date: Wed Apr 17 2024 - 19:39:01 EST


On 15/04/2024 15:08, 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?

@256, so 0x256 = 589, so a bit too much. The unit addresses are hex.


Best regards,
Krzysztof