On Thu, Dec 15, 2016 at 05:30:43PM -0500, Geoff Lansberry wrote: > From: Geoff Lansberry <ge...@kuvee.com> > > --- > Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 2 ++ > drivers/nfc/trf7970a.c | 13 ++++++++++++- > 2 files changed, 14 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > index 9dda879..208f045 100644 > --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > @@ -21,6 +21,7 @@ Optional SoC Specific Properties: > - t5t-rmb-extra-byte-quirk: Specify that the trf7970a has the erratum > where an extra byte is returned by Read Multiple Block commands issued > to Type 5 tags. > +- vdd_io_1v8: Set to specify that the trf7970a io voltage should be set to > 1.8V
Use the regulator binding and provide a fixed 1.8V supply. > - crystal_27mhz: Set to specify that the input frequency to the trf7970a is > 27.12MHz > > > @@ -45,6 +46,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): > irq-status-read-quirk; > en2-rf-quirk; > t5t-rmb-extra-byte-quirk; > + vdd_io_1v8; > crystal_27mhz; > status = "okay"; > };
