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SubjectRe: [PATCH v2 2/4] nfc: pn532_uart: Add NXP PN532 to devicetree docs
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

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