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

[Heiko Schocher <hs@denx.de>]

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@denx.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
>>>

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