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| author |   Guan Ben <ben.guan@cn.bosch.com> | 2017-02-07 06:22:04 +0100 |
|---|---|---|
| committer |   Samuel Ortiz <sameo@linux.intel.com> | 2017-04-02 00:32:34 +0200 |
| commit | ce69b95ca4e459f54b5afad717d2129d3ba1ff6e (patch) | |
| tree | 4f5461fbdac5ca2bd52c7f836560a65f35cddcf8 /Documentation/devicetree/bindings/net/nfc | |
| parent | nfc: nxp-nci: use msleep for long delays (diff) | |
| download | linux-dev-ce69b95ca4e459f54b5afad717d2129d3ba1ff6e.tar.xz linux-dev-ce69b95ca4e459f54b5afad717d2129d3ba1ff6e.zip | |
NFC: Make EN2 pin optional in the TRF7970A driver
Make the EN2 pin optional. This is useful for boards,
which have this pin fix wired, for example to ground.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guan Ben <ben.guan@cn.bosch.com>
Signed-off-by: Mark Jonas <mark.jonas@de.bosch.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt index 32b35a07abe4..5889a3d133b2 100644 --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt +++ b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt @@ -5,8 +5,8 @@ Required properties: - spi-max-frequency: Maximum SPI frequency (<= 2000000). - interrupt-parent: phandle of parent interrupt handler. - interrupts: A single interrupt specifier. -- ti,enable-gpios: Two GPIO entries used for 'EN' and 'EN2' pins on the - TRF7970A. +- ti,enable-gpios: One or two GPIO entries used for 'EN' and 'EN2' pins on the + TRF7970A. EN2 is optional. - vin-supply: Regulator for supply voltage to VIN pin Optional SoC Specific Properties: |