Re: [PATCH v1 1/2] dt-bindings: trivial-devices: add spi-miso-mosi-loopback

[Krzysztof Kozlowski <krzk@kernel.org>]

On 16/03/2026 08:35, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@toradex.com>
> 
> Add a compatible to describe a single wire loopback between SPI MISO and
> MOSI signals.
> 
> Link: https://lore.kernel.org/all/20260310133254.GA51497@francesco-nb/
> Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
> ---
>  Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
> index a482aeadcd44..2cb973c157f6 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -432,6 +432,8 @@ properties:
>            - socionext,uniphier-smpctrl
>              # SparkFun Qwiic Joystick (COM-15168) with i2c interface
>            - sparkfun,qwiic-joystick
> +            # Single wire loopback between SPI MISO and MOSI signals
> +          - spi-miso-mosi-loopback

If you decided to go against my approach, then at least document it in
proper place - incomplete-devices - so this won't be ever used in DTS.

Best regards,
Krzysztof