Re: [PATCH v7 2/2] dt-bindings: spi: Document Renesas R-Car Gen3 RPC-IF controller bindings

[Sergei Shtylyov]

On 01/23/2019 10:09 AM, Mason Yang wrote:

> Document the bindings used by the Renesas R-Car Gen3 RPC-IF controller.
> 
> Signed-off-by: Mason Yang <masonccyang@xxxxxxxxxxx>
> ---
>  .../devicetree/bindings/spi/spi-renesas-rpc.txt    | 46 ++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> 
> diff --git a/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> new file mode 100644
> index 0000000..305bd10
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-renesas-rpc.txt
> @@ -0,0 +1,46 @@
> +Renesas R-Car Gen3 RPC-IF controller Device Tree Bindings
> +--------------------------------------------------------------------
> +
> +Required properties:
> +- compatible: should be an SoC-specific compatible value, followed by
> +		"renesas,rcar-gen3-rpc" as a fallback, i.e.,
> +		"renesas,r8a77995-rpc", "renesas,rcar-gen3-rpc".
> +		"renesas,r8a7795-rpc"	(R-Car H3)
> +		"renesas,r8a7796-rpc"	(R-Car M3-W)
> +		"renesas,r8a77965-rpc"	(R-Car M3-N)
> +		"renesas,r8a77970-rpc"	(R-Car V3M)
> +		"renesas,r8a77980-rpc"	(R-Car V3H)
> +		"renesas,r8a77990-rpc"	(R-Car E3)
> +		"renesas,r8a77995-rpc"	(R-Car D3)
> +- reg: should contain three register areas:

   The driver now handles "dirmap" and "wbuf" resources as optional --
you need to document that.

[...]

MBR, Sergei