linux-kernel - Re: [PATCH v10 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings

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Date:   Mon, 15 Apr 2019 19:49:24 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Mason Yang <masonccyang@...c.com.tw>, broonie@...nel.org,
        marek.vasut@...il.com, linux-kernel@...r.kernel.org,
        linux-spi@...r.kernel.org, bbrezillon@...nel.org,
        linux-renesas-soc@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org
Cc:     juliensu@...c.com.tw, Simon Horman <horms@...ge.net.au>
Subject: Re: [PATCH v10 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3
 RPC-IF controller bindings

On 04/15/2019 10:37 AM, Mason Yang wrote:

> Document the bindings used by the Renesas R-Car Gen3 RPC-IF MFD controller.
> 
> Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
> ---
>  .../devicetree/bindings/mfd/mfd-renesas-rpc.txt    | 37 ++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
> new file mode 100644
> index 0000000..bfb3d29
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/mfd-renesas-rpc.txt
> @@ -0,0 +1,37 @@
> +Renesas R-Car Gen3 RPC-IF MFD controller Device Tree Bindings
> +-------------------------------------------------------------
> +
> +Required properties:
> +- compatible: should be an SoC-specific compatible value, followed by
> +		"renesas,rcar-gen3-rpc" as a fallback.
> +		supported SoC-specific values are:
> +		"renesas,r8a77995-rpc"	(R-Car D3)
> +- reg: should contain 2 entries, one for the base address of rpc-if registers,
> +	and one for the direct mapping area
> +- reg-names: should contain "regs", and "dirmap"

   The device tree describes the hardware, not the driver. Why did you remove
the "wbuf" area?

[...]

MBR, Sergei