Re: [PATCH v3 05/14] dt-bindings: fsi: Document the IBM SBEFIFO engine

Krzysztof Kozlowski
2024-04-26T06:20:31Z

On 25/04/2024 23:36, Eddie James wrote:
> The SBEFIFO engine provides an interface to the POWER processor
> Self Boot Engine (SBE).
>
> Signed-off-by: Eddie James <eajames@linux.ibm.com>
> Acked-by: Conor Dooley <conor.dooley@microchip.com>
> Reviewed-by: Andrew Jeffery <andrew@codeconstruct.com.au>
> ---

> +description:
> + The SBEFIFO is an FSI CFAM engine that provides an interface to the
> + POWER processor Self Boot Engine (SBE). This node will always be a child
> + of an FSI CFAM node; see fsi.txt for details on FSI slave and CFAM
> + nodes.
> +
> +properties:
> + compatible:
> + enum:
> + - ibm,p9-sbefifo
> + - ibm,odyssey-sbefifo
> +
> + reg:
> + items:
> + - description: FSI slave address
> +
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> +patternProperties:
> + "^occ(@.*)?":

Why unit address is optional?

Best regards,
Krzysztof