Re: [PATCH v1 1/2] dt-bindings: trivial-devices: add toradex,lava-hat-spi

[Krzysztof Kozlowski <krzk@kernel.org>]

On 20/04/2026 18:02, Conor Dooley wrote:
> On Mon, Apr 20, 2026 at 01:45:35PM +0200, Francesco Dolcini wrote:
>> From: Francesco Dolcini <francesco.dolcini@toradex.com>
>>
>> Add a compatible string for the SPI loopback device present on the
>> Toradex LAVA HAT test fixture.
>>
>> The Toradex LAVA HAT is a board used for automated hardware-in-the-loop
>> (HIL) testing, it provides several test-related functionalities, and
>> exists in multiple variants depending on the board it is mated with. The
>> SPI function is implemented with a loopback on the MISO/MOSI signals.
>>
>> As the device can be fully described using only "compatible" and "reg",
>> it is appropriate to list it under trivial-devices.yaml rather than
>> introducing a dedicated binding.
>>
>> The SPI implementation is identical across all Toradex LAVA HAT
>> variants, so a single compatible string is sufficient.
>>
>> Link: https://lore.kernel.org/all/20260310133254.GA51497@francesco-nb/
>> Link: https://lore.kernel.org/all/20260316073547.11437-3-francesco@dolcini.it/
>> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
> 
> Acked-by: Conor Dooley <conor.dooley@microchip.com>
> pw-bot: not-applicable


Heh, let's wait. That's a test device, so it won't be ever used in any
final product, right? So not in final DTS?

Then why it's here? I think I directed previously to document it with
the rest of test devices - in incomplete-devices schema?

Best regards,
Krzysztof