linux-kernel - Re: [PATCH v3 1/6] dt-bindings: fsi: Add SBEFIFO documentation

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Message-ID: <20171004205808.c66hjl6il463q4ka@rob-hp-laptop>
Date:   Wed, 4 Oct 2017 15:58:08 -0500
From:   Rob Herring <robh@...nel.org>
To:     Eddie James <eajames@...ux.vnet.ibm.com>
Cc:     linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
        devicetree@...r.kernel.org, mark.rutland@....com,
        bradleyb@...ziesquirrel.com, jk@...abs.org,
        cbostic@...ux.vnet.ibm.com, joel@....id.au, andrew@...id.au,
        "Edward A. James" <eajames@...ibm.com>
Subject: Re: [PATCH v3 1/6] dt-bindings: fsi: Add SBEFIFO documentation

On Fri, Sep 22, 2017 at 04:05:57PM -0500, Eddie James wrote:
> From: "Edward A. James" <eajames@...ibm.com>
> 
> Document the bindings for the SBE CFAM device. SBE devices are
> located on a CFAM off an FSI bus.
> 
> Signed-off-by: Edward A. James <eajames@...ibm.com>
> ---
>  .../devicetree/bindings/fsi/ibm,p9-sbefifo.txt       | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt
> 
> diff --git a/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt b/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt
> new file mode 100644
> index 0000000..07fbf29
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fsi/ibm,p9-sbefifo.txt
> @@ -0,0 +1,20 @@
> +Device-tree bindings for P9 SBEFIFO CFAM device
> +-----------------------------------------------
> +
> +Required properties:
> + - reg = < address size >		: FSI CFAM address for the SBE engine
> +					  and address space size.

compatible? 

> +
> +Optional properties:
> + - <child nodes>			: Devices that are accessible through
> +					  the SBEFIFO.

You need some sort of definition what's in the child nodes.

> +
> +Examples:
> +
> +    sbefifo@...0 {
> +        reg = < 0x2400 0x400 >;

Need #{address,size}-cells here.

> +
> +        occ@1 {

Need a reg property here and you need to define what reg represents.

> +            ...
> +        };
> +    };
> -- 
> 1.8.3.1
>