On Thu, Dec 15, 2016 at 05:30:42PM -0500, Geoff Lansberry wrote: > From: Geoff Lansberry <geoff@xxxxxxxxx> > > --- > .../devicetree/bindings/net/nfc/trf7970a.txt | 3 ++ > drivers/nfc/trf7970a.c | 42 ++++++++++++++++------ > 2 files changed, 34 insertions(+), 11 deletions(-) > > diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > index 32b35a0..9dda879 100644 > --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt > @@ -21,6 +21,8 @@ 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. > +- crystal_27mhz: Set to specify that the input frequency to the trf7970a is 27.12MHz > + Can't you use 'clock-frequency = "27000000";'? > > Example (for ARM-based BeagleBone with TRF7970A on SPI1): > > @@ -43,6 +45,7 @@ Example (for ARM-based BeagleBone with TRF7970A on SPI1): > irq-status-read-quirk; > en2-rf-quirk; > t5t-rmb-extra-byte-quirk; > + crystal_27mhz; > status = "okay"; > }; > };
