On 6/6/19 9:40 AM, masonccyang@xxxxxxxxxxx wrote: [...] > RPC-IF works either in SPI or HyperFlash is decided by external hardware > pins > configuration and it can NOT switch it's operation mode in the run time. > This is not like my understanding of MFD. Which external hardware pins decide the RPC configuration ? It seems to me like PHYCNT register, PHYMEM bitfield, selects what device is connected, and then a couple of other bits control the communication, but I see nothing which would be tied to any external configuration pins. [...] -- Best regards, Marek Vasut
Re: [PATCH v13 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings
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- Subject: Re: [PATCH v13 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings
- From: Marek Vasut <marek.vasut@xxxxxxxxx>
- Date: Tue, 18 Jun 2019 14:01:40 +0200
- Cc: bbrezillon@xxxxxxxxxx, broonie@xxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, Geert Uytterhoeven <geert+renesas@xxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, juliensu@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-renesas-soc@xxxxxxxxxxxxxxx, linux-spi@xxxxxxxxxxxxxxx, mark.rutland@xxxxxxx, miquel.raynal@xxxxxxxxxxx, robh+dt@xxxxxxxxxx, Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
- In-reply-to: <OFDA7648A0.F1733EA5-ON48258411.002946DF-48258411.002A2F0D@mxic.com.tw>
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