Re: [PATCH 2/2] dt-bindings: trivial-devices: Document SPI measurement on LWE boards

[Conor Dooley <conor@kernel.org>]

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On Fri, Feb 21, 2025 at 04:54:18PM +0100, Lukasz Majewski wrote:
> The measurement device on Liebherr's (LWE) boards is used to monitor
> the overall state of the device. It does have SPI interface to
> communicate with Linux host via spidev driver. Document the SPI DT
> binding as trivial SPI device.
> 
> Signed-off-by: Lukasz Majewski <lukma@denx.de>
> ---
>  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 fadbd3c041c8..5d736a9792c2 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -161,6 +161,8 @@ properties:
>            - jedec,spd5118
>              # Linear Technology LTC2488
>            - lineartechnology,ltc2488
> +            # Liebherr on-board measurement SPI device
> +          - lwe,btt

How does "btt" translate to what the device actually is? Seems kinda
random!
Also, where is patch 3, adding the lwe,btt to the spidev driver so that
it will probe?

Cheers,
Conor.

>              # 5 Bit Programmable, Pulse-Width Modulator
>            - maxim,ds1050
>              # 10 kOhm digital potentiometer with I2C interface
> -- 
> 2.39.5
> 

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