Messages in this thread | | | Date | Thu, 25 Oct 2018 16:54:45 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v3 2/5] nfc: pn532_uart: Add NXP PN532 to devicetree docs |
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On Thu, Oct 25, 2018 at 03:29:33PM +0200, Lars Poeschel wrote: > Add a simple binding doc for the pn532. > > Signed-off-by: Lars Poeschel <poeschel@lemonage.de> > --- > Changes in v3: > - seperate binding doc instead of entry in trivial-devices.txt > > .../devicetree/bindings/nfc/pn532.txt | 31 +++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/nfc/pn532.txt > > diff --git a/Documentation/devicetree/bindings/nfc/pn532.txt b/Documentation/devicetree/bindings/nfc/pn532.txt > new file mode 100644 > index 000000000000..a2df72a5f504 > --- /dev/null > +++ b/Documentation/devicetree/bindings/nfc/pn532.txt > @@ -0,0 +1,31 @@ > +NXP PN532 NFC Chip
What about the PN533?
> + > +Required properties: > +- compatible: Should be > + - "nxp,pn532" Place a node with this inside the devicetree node of the bus > + where the NFC chip is connected to. > + Currently the kernel has phy bindings for uart and i2c. > + - "nxp,pn532-i2c" (DEPRECATED) only works for the i2c binding. > + - "nxp,pn533-i2c" (DEPRECATED) only works for the i2c binding. > + > +There are no additional properties provided by the driver at the moment.
I2C requires reg.
> + > +Example uart: > + > +uart4: serial@49042000 { > + compatible = "ti,omap3-uart"; > + > + pn532: nfc { > + compatible = "nxp,pn532"; > + }; > +}; > + > +Example i2c: > + > +i2c1: i2c@0 { > + compatible = "ti,omap3-i2c"; > + > + pn532: nfc { > + compatible = "nxp,pn532"; > + }; > +}; > -- > 2.19.1 >
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