lkml.org 
[lkml]   [2019]   [Jun]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v13 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF controller bindings
From
Date

Hi Marek,

> Subject
>
> Re: [PATCH v13 3/3] dt-bindings: mfd: Document Renesas R-Car Gen3 RPC-IF

> controller bindings
>
> On 6/6/19 9:40 AM, masonccyang@mxic.com.tw 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.
>

You may refer to R-Car D3 Draak Eva. board hardware manual
and start-up guide, i.e.,
Table 2.12 Pin Multiplexing of R-Car D3 Mode setting pins and
set by hardware switch 1, 2, 3, 13, 31 and 10 to configure
booting from SPI mode or HyperFlash mode.

thanks & best regards,
Mason

CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information
and/or personal data, which is protected by applicable laws. Please be
reminded that duplication, disclosure, distribution, or use of this e-mail
(and/or its attachments) or any part thereof is prohibited. If you receive
this e-mail in error, please notify us immediately and delete this mail as
well as its attachment(s) from your system. In addition, please be
informed that collection, processing, and/or use of personal data is
prohibited unless expressly permitted by personal data protection laws.
Thank you for your attention and cooperation.

Macronix International Co., Ltd.

=====================================================================



============================================================================

CONFIDENTIALITY NOTE:

This e-mail and any attachments may contain confidential information and/or personal data, which is protected by applicable laws. Please be reminded that duplication, disclosure, distribution, or use of this e-mail (and/or its attachments) or any part thereof is prohibited. If you receive this e-mail in error, please notify us immediately and delete this mail as well as its attachment(s) from your system. In addition, please be informed that collection, processing, and/or use of personal data is prohibited unless expressly permitted by personal data protection laws. Thank you for your attention and cooperation.

Macronix International Co., Ltd.

=====================================================================

\
 
 \ /
  Last update: 2019-06-19 09:37    [W:0.043 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site