[PATCH 2/2] dt-bindings: phy: lan966x: Add optional microchip,sx-tx/rx-inverted

Krzysztof Kozlowski krzk at kernel.org
Tue Nov 11 02:06:02 PST 2025


On 11/11/2025 10:58, Horatiu Vultur wrote:
> The 11/10/2025 18:43, Conor Dooley wrote:
> 
> Hi Conor,
> 
>> On Mon, Nov 10, 2025 at 12:05:36PM +0100, Horatiu Vultur wrote:
>>> This allows to invert the N and P signals of the RX and TX Serdes
>>> signals. This option allows the board designer to trace their signals
>>> easier on the boards.
>>
>> Why can't this just be done in software, debugfs or something like that?
>> Maybe it's just your description is poor, but sounds like the intention
>> here is to just switch things around for debug purposes.
> 
> I don't think it should be done through debugfs. As this describes the
> board layout and I don't think someone will want to change it at
> runtime to see how things behave. So maybe the description is poor.

You said it is purely for hardware designer to trace signals, so sorry,
but that's not DTs purpose.

Best regards,
Krzysztof



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