Re: [PATCH 1/4] dt-bindings: trivial-devices: add traverse,ten64-controller

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On 01/05/2023 08:47, Mathew McBride wrote:
> Add the Ten64 family board controller[1] to the trivial devices list.
> 
> Signed-off-by: Mathew McBride <matt@xxxxxxxxxxxxxxx>
> 
> [1] - https://ten64doc.traverse.com.au/hardware/microcontroller/
> ---
>  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 246863a9bc7e..638e16fc9f71 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.yaml
> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml
> @@ -397,6 +397,8 @@ properties:
>            - ti,tps544b25
>            - ti,tps544c20
>            - ti,tps544c25
> +            # Board controller for Ten64 family mainboards
> +          - traverse,ten64-controller

This is not a ten64 device, but just component of the SoC, right?
Regular NXP LPC804 Cortex-M0 which you just program with different firmware.

Basically this means you describe the firmware in Devicetree...

Rob,

What are the guidelines for generic co-processors (some Cortex-M)
exposing just I2C line and nothing more? Do we want to describe the
actual firmware running there?

Best regards,
Krzysztof




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