Re: [PATCH 1/3] dt-bindings: iio: adc: Add BD7910[0,1,2,3]

[David Lechner <dlechner@baylibre.com>]

On 8/14/25 4:57 AM, Matti Vaittinen wrote:
> On 14/08/2025 11:35, Matti Vaittinen wrote:
>> The ROHM BD79100, BD79101, BD79102, BD79103 are very similar ADCs as the
>> ROHM BD79104. The BD79100 has only 1 channel. BD79101 has 2 channels and
>> the BD79102 has 4 channels. Both BD79103 and BD79104 have 4 channels,

Is it just a difference in max sample rate? or pinout?

>> and, based on the data sheets, they seem identical from the software
>> point-of-view.
>>
>> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>> ---
>>   .../devicetree/bindings/iio/adc/rohm,bd79104.yaml     | 11 ++++++++++-
>>   1 file changed, 10 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml b/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml
>> index f0a1347ba4db..6a6e6ab4aca3 100644
>> --- a/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml
>> +++ b/Documentation/devicetree/bindings/iio/adc/rohm,bd79104.yaml
>> @@ -14,7 +14,16 @@ description: |
>>     properties:
>>     compatible:
>> -    const: rohm,bd79104
>> +    oneOf:
>> +      - items:

You can drop the items: here since there is only one item.

>> +          - enum:
>> +              - rohm,bd79100
>> +              - rohm,bd79101
>> +              - rohm,bd79102
>> +              - rohm,bd79104
>> +      - items:
>> +          - const: rohm,bd79104
>> +          - const: rohm,bd79103
> 
> Oops. I believe the order of the compatibles is wrong for the fallback.

Indeed.

> 
>>       reg:
>>       maxItems: 1
> 
> Yours,
>     -- Matti