| Message ID | 20190910093256.1920-1-poeschel@lemonage.de |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | None | expand |
| Context | Check | Description |
|---|---|---|
| robh/checkpatch | success |
On Tue, Sep 10, 2019 at 11:32:53AM +0200, Lars Poeschel wrote: > Add a simple binding doc for the pn532. > > Cc: Johan Hovold <johan@kernel.org> > Signed-off-by: Lars Poeschel <poeschel@lemonage.de> > --- > Changes in v6: > - Rebased the patch series on v5.3-rc5 > - Picked up Rob's Reviewed-By And dropped in v7? > > Changes in v4: > - Add documentation about reg property in case of i2c > > Changes in v3: > - seperate binding doc instead of entry in trivial-devices.txt > > .../devicetree/bindings/nfc/pn532.txt | 33 +++++++++++++++++++ > 1 file changed, 33 insertions(+) > create mode 100644 Documentation/devicetree/bindings/nfc/pn532.txt
On Fri, Sep 13, 2019 at 03:32:21PM -0500, Rob Herring wrote: > On Tue, Sep 10, 2019 at 11:32:53AM +0200, Lars Poeschel wrote: > > Add a simple binding doc for the pn532. > > > > Cc: Johan Hovold <johan@kernel.org> > > Signed-off-by: Lars Poeschel <poeschel@lemonage.de> > > --- > > Changes in v6: > > - Rebased the patch series on v5.3-rc5 > > - Picked up Rob's Reviewed-By > > And dropped in v7? I am very sorry, I somehow lost it. :( I will re-pick up it in v8. > > Changes in v4: > > - Add documentation about reg property in case of i2c > > > > Changes in v3: > > - seperate binding doc instead of entry in trivial-devices.txt > > > > .../devicetree/bindings/nfc/pn532.txt | 33 +++++++++++++++++++ > > 1 file changed, 33 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..d5aaa588073d --- /dev/null +++ b/Documentation/devicetree/bindings/nfc/pn532.txt @@ -0,0 +1,33 @@ +NXP PN532 NFC Chip + +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. + +Required properties if connected on i2c: +- reg: for the i2c bus address. This is fixed at 0x48 for the PN532. + +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"; + reg = <0x48>; + }; +};
Add a simple binding doc for the pn532. Cc: Johan Hovold <johan@kernel.org> Signed-off-by: Lars Poeschel <poeschel@lemonage.de> --- Changes in v6: - Rebased the patch series on v5.3-rc5 - Picked up Rob's Reviewed-By Changes in v4: - Add documentation about reg property in case of i2c Changes in v3: - seperate binding doc instead of entry in trivial-devices.txt .../devicetree/bindings/nfc/pn532.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/nfc/pn532.txt