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Groups > linux.kernel > #1545231
| From | Geoff Lansberry <geoff@kuvee.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage |
| Date | 2016-12-20 17:20 +0100 |
| Message-ID | <sQviW-7Qa-33@gated-at.bofh.it> (permalink) |
| References | <sOMQW-38F-23@gated-at.bofh.it> <sOMQW-38F-21@gated-at.bofh.it> <sQeL8-5pk-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Dec 19, 2016 at 5:35 PM, Rob Herring <robh@kernel.org> wrote: > On Thu, Dec 15, 2016 at 05:30:43PM -0500, Geoff Lansberry wrote: >> From: Geoff Lansberry <geoff@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"; >> }; 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. Geoff
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[PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Geoff Lansberry <geoff@kuvee.com> - 2016-12-15 23:40 +0100
Re: [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Mark Greer <mgreer@animalcreek.com> - 2016-12-16 02:20 +0100
Re: [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Rob Herring <robh@kernel.org> - 2016-12-19 23:40 +0100
Re: [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Geoff Lansberry <geoff@kuvee.com> - 2016-12-20 17:20 +0100
Re: [PATCH 2/3] NFC: trf7970a: Add device tree option of 1.8 Volt IO voltage Mark Greer <mgreer@animalcreek.com> - 2016-12-21 03:10 +0100
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