linux-kernel - Re: [PATCH v2 2/2] dt-binding: spi: Document Renesas R-Car Gen3 RPC controller bindings

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Message-ID: <8de55806-ee08-69c6-df1b-45b1eba607a6@cogentembedded.com>
Date:   Wed, 5 Dec 2018 21:56:57 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Marek Vasut <marek.vasut@...il.com>,
        Mason Yang <masonccyang@...c.com.tw>, broonie@...nel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        boris.brezillon@...tlin.com, linux-renesas-soc@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     juliensu@...c.com.tw, Simon Horman <horms@...ge.net.au>,
        zhengxunli@...c.com.tw
Subject: Re: [PATCH v2 2/2] dt-binding: spi: Document Renesas R-Car Gen3 RPC
 controller bindings

On 12/04/2018 09:19 PM, Marek Vasut wrote:

>> Document the bindings used by the Renesas R-Car Gen3 RPC SPI controller.
> 
> RPC is SPI and HF controller, it is not a pure SPI controller.
> 
> How does this deal with the HF part ? Keep in mind the bindings are ABI
> and it will be difficult to redo them later.

   Perhaps we need a "mode" prop, maybe w/vendor prefix? 

>> Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
[...]

MBR, Sergei