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

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: <2477dc64-92a0-9dc9-d168-56646d0d796e@denx.de>
Date: Mon, 21 Jul 2025 16:22:38 +0200
From: Heiko Schocher <hs@...x.de>
To: Guenter Roeck <linux@...ck-us.net>, Rob Herring <robh@...nel.org>
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

Hi Guenther, Rob,

On 20.07.25 05:25, Guenter Roeck wrote:
> 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.

This sensors are fully controlled through spidev driver, with a simple
register based interface and they have no other connections as the SPI
lines, so they only need a compatible entry.

bye,
Heiko


>>
>>>
>>> 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
>>>

-- 
DENX Software Engineering GmbH, Managing Director: Johanna Denk, Tabea Lutz
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-52   Fax: +49-8142-66989-80   Email: hs@...x.de