Re: [PATCH v1 1/2] dt-bindings: trivial-devices: add toradex,lava-hat-spi
From: Conor Dooley
Date: Mon Apr 20 2026 - 13:03:39 EST
On Mon, Apr 20, 2026 at 06:10:08PM +0200, Krzysztof Kozlowski wrote:
> 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@xxxxxxxxxxx>
> >>
> >> 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@xxxxxxxxxx/
> >> Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
> >
> > Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> > 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?
Oh it's that, I forgot about this discussion, sorry!
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