On Tue, Dec 20, 2016 at 11:13:23AM -0500, Geoff Lansberry wrote: > On Mon, Dec 19, 2016 at 5:35 PM, Rob Herring <robh@xxxxxxxxxx> wrote: > > On Thu, Dec 15, 2016 at 05:30:43PM -0500, Geoff Lansberry wrote: > >> From: Geoff Lansberry <geoff@xxxxxxxxx> > >> > >> --- > >> 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"; > >> }; > > Rob - using the regulator binding is new to me, but I've given it a > shot and just sent you another set of patches for your inspection. > Please let me know if this is what you had in mind. This is my bad. Geoff followed my example and did something similar to 'vin-voltage-override' which shouldn't have been there in the first place. I have this fixed (I think) locally and will submit once it I'm back from my holiday travels. Mark --
