devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Rob Herring <robh@kernel.org>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: "Lars Poeschel" <poeschel@lemonage.de>,
	devicetree <devicetree@vger.kernel.org>,
	"Mark Rutland" <mark.rutland@arm.com>,
	"Peter Rosin" <peda@axentia.se>,
	"Vadim Pasternak" <vadimp@mellanox.com>,
	"Lei YU" <mine260309@gmail.com>,
	"Andreas Färber" <afaerber@suse.de>,
	"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>,
	"open list" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/4] nfc: pn532_uart: Add NXP PN532 to devicetree docs
Date: Thu, 18 Oct 2018 15:41:29 -0500	[thread overview]
Message-ID: <20181018204129.GA25436@bogus> (raw)
In-Reply-To: <F2B73CDB-434A-41F5-8A9E-3E4E76DB89C9@holtmann.org>

On Thu, Oct 18, 2018 at 05:03:13PM +0200, Marcel Holtmann wrote:
> Hi Lars,
> 
> > Add pn532 to the trivial-devices.txt binding doc.
> > 
> > Signed-off-by: Lars Poeschel <poeschel@lemonage.de>
> > ---
> > Documentation/devicetree/bindings/trivial-devices.txt | 1 +
> > 1 file changed, 1 insertion(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
> > index 763a2808a95c..c580be08a380 100644
> > --- a/Documentation/devicetree/bindings/trivial-devices.txt
> > +++ b/Documentation/devicetree/bindings/trivial-devices.txt
> > @@ -172,6 +172,7 @@ nxp,pcf2129		Real-time clock
> > nxp,pcf8523		Real-time Clock
> > nxp,pcf8563		Real-time clock/calendar
> > nxp,pcf85063		Tiny Real-Time Clock
> > +nxp,pn532-uart		NXP PN532 NFC-/RFID-Chip, using UART interface
> 
> is this really such a trivial device? It doesn’t require any GPIO to enable / reset the NFC chip?

Considering it supports multiple interfaces, it is not.

The '-uart' can be dropped and the same compatible used for any 
of the bus connections because the device is bound based on the bus 
type.

Rob

  reply	other threads:[~2018-10-18 20:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-18 14:42 [PATCH v2 1/4] nfc: pn533: add UART phy driver Lars Poeschel
2018-10-18 14:42 ` [PATCH v2 2/4] nfc: pn532_uart: Add NXP PN532 to devicetree docs Lars Poeschel
2018-10-18 15:03   ` Marcel Holtmann
2018-10-18 20:41     ` Rob Herring [this message]
2018-10-19  9:12       ` Lars Poeschel
2018-10-18 14:42 ` [PATCH v2 3/4] nfc: pn533: Add autopoll capability Lars Poeschel
     [not found] ` <20181018144251.30028-1-poeschel-Xtl8qvBWbHwb1SvskN2V4Q@public.gmane.org>
2018-10-18 14:42   ` [PATCH v2 4/4] nfc: pn532_uart: Make use of pn532 autopoll Lars Poeschel
2018-10-18 15:00 ` [PATCH v2 1/4] nfc: pn533: add UART phy driver Marcel Holtmann
2018-10-19  8:57   ` Lars Poeschel
2018-10-20  9:27     ` Johan Hovold
2018-10-25 13:28       ` Lars Poeschel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20181018204129.GA25436@bogus \
    --to=robh@kernel.org \
    --cc=afaerber@suse.de \
    --cc=devicetree@vger.kernel.org \
    --cc=j.neuschaefer@gmx.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marcel@holtmann.org \
    --cc=mark.rutland@arm.com \
    --cc=mine260309@gmail.com \
    --cc=peda@axentia.se \
    --cc=poeschel@lemonage.de \
    --cc=vadimp@mellanox.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).