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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b1cc499b-403e-4dcf-9e6a-10d4d43a8b30@baylibre.com>
Date: Thu, 14 Aug 2025 09:51:13 -0500
From: David Lechner <dlechner@...libre.com>
To: Matti Vaittinen <mazziesaccount@...il.com>,
 Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc: Jonathan Cameron <jic23@...nel.org>, Nuno Sá
 <nuno.sa@...log.com>, Andy Shevchenko <andy@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, David Heidelberg <david@...t.cz>,
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: iio: adc: Add BD7910[0,1,2,3]

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@...il.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