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

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Date:   Wed, 5 Dec 2018 22:55:15 +0100
From:   Marek Vasut <marek.vasut@...il.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.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 12/05/2018 07:56 PM, Sergei Shtylyov wrote:
> 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? 

Or, like I said last time, discern it based on the DT subnode. It can be
either SPI NOR or CFI NOR.

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


-- 
Best regards,
Marek Vasut