linux-kernel - Re: [PATCH v1 1/3] dt-bindings: trivial-devices: Document ABB sensors

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Message-ID: <c972dcba-ec99-47e4-ad19-18ebe97dfdd0@roeck-us.net>
Date: Sat, 19 Jul 2025 20:25:06 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Rob Herring <robh@...nel.org>, Heiko Schocher <hs@...x.de>
Cc: linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
 Andrei Lalaev <andrey.lalaev@...il.com>,
 Chanh Nguyen <chanh@...amperecomputing.com>,
 Conor Dooley <conor+dt@...nel.org>, Fabio Estevam <festevam@...il.com>,
 Grant Peltier <grantpeltier93@...il.com>,
 Jonathan Cameron <Jonathan.Cameron@...wei.com>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Michal Simek <michal.simek@....com>,
 Naresh Solanki <naresh.solanki@...ements.com>,
 Rodrigo Gobbi <rodrigo.gobbi.7@...il.com>, devicetree@...r.kernel.org
Subject: Re: [PATCH v1 1/3] dt-bindings: trivial-devices: Document ABB sensors

On 7/19/25 19:11, Rob Herring wrote:
> On Sat, Jul 19, 2025 at 08:33:52AM +0200, Heiko Schocher wrote:
>> Add documentation for spi based ABB sensors, which are
>> currently operated from userspace.
> 
> What is userspace? That has nothing to do with bindings.
> 

Taking one step further back ... what are "spi based ABB sensors" ?

Guenter

> Please provide some details about this h/w and convince me it is
> trivial.
> 
>>
>> Signed-off-by: Heiko Schocher <hs@...x.de>
>> ---
>>
>>   Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
>> index 27930708ccd5..25260c2b81df 100644
>> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
>> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
>> @@ -30,6 +30,8 @@ properties:
>>       items:
>>         # Entries are sorted alphanumerically by the compatible
>>         - enum:
>> +            # ABB register based spi sensors
>> +          - abb,spi-sensor
>>               # Acbel fsg032 power supply
>>             - acbel,fsg032
>>               # SMBus/I2C Digital Temperature Sensor in 6-Pin SOT with SMBus Alert and Over Temperature Pin
>> -- 
>> 2.20.1
>>