Re: [PATCH 1/2] dt-bindings: iio: magnetometer: add ti tmag5273 documentation file

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On 17/11/2022 17:12, Gerald Loacker wrote:
>>
>>> +
>>> +  compatible:
>>> +    const: ti,tmag5273
>>> +
>>> +  reg:
>>> +    maxItems: 1
>>> +
>>> +  "#io-channel-cells":
>>> +    const: 1
>>> +
>>> +  ti,angle-enable:
>>> +    description:
>>> +      Enables angle measurement in the selected plane.
>>> +      0 = OFF
>>> +      1 = X-Y (default)
>>> +      2 = Y-Z
>>> +      3 = X-Z
>>
>> This feels like something we should be configuring at runtime rather that
>> DT, or is it driven by board design or similar?
>>
> 
> We use this sensor for a zoom wheel application, there is an EVM from TI
> for this as well. So this is for setting the mounting position of the wheel.

That's ok, but does not explain why choice of angle measurement should
be a property of the hardware. I could imagine configuring device to
measure sometimes X-Y and sometimes X-Z, depending on the use case. Use
case can change runtime.


Best regards,
Krzysztof




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