[PATCH linux dev-5.7 4/6] dt-bindings: fsi: fsi2spi: Document new restricted property

[Joel Stanley]

On Wed, 29 Jul 2020 at 20:45, Eddie James <eajames at linux.ibm.com> wrote:
>
> Add documentation for the "fsi2spi,restricted" property which indicates
> a controller shouldn't sequence loops and therefore has a smaller
> transfer size.
>
> Signed-off-by: Eddie James <eajames at linux.ibm.com>
Acked-by: Joel Stanley <joel at jms.id.au>

> ---
>  Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
> index 893d81e54caa..ff16797061ec 100644
> --- a/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
> +++ b/Documentation/devicetree/bindings/fsi/ibm,fsi2spi.yaml
> @@ -24,6 +24,16 @@ properties:
>      items:
>        - description: FSI slave address
>
> +patternProperties:
> +  "^spi(@.*|-[0-9a-f])*$":
> +    type: object
> +
> +    properties:
> +      fsi2spi,restricted:
> +        description: indicates the controller should not use looping in the
> +          sequencer and therefore has a smaller maximum transfer size
> +        type: boolean
> +
>  required:
>    - compatible
>    - reg
> --
> 2.24.0
>