[PATCH 3/4] arm64: dts: apple: Add touchbar digitizer nodes

[Krzysztof Kozlowski]

On 27/11/2024 11:31, Sasha Finkelstein wrote:
> On Wed, 27 Nov 2024 at 09:55, Krzysztof Kozlowski <krzk at kernel.org> wrote:
>>> +             touchbar0 = &touchbar0;
>>
>> Not used, drop.
> 
> Used by the bootloader to forward calibration data to the correct node.

I suggest document it with a comment, otherwise each undocumented alias
without in-kernel user is a subject of removal later during cleanup.

Best regards,
Krzysztof