diff options
| author | Vincent Cuissard <cuissard@marvell.com> | 2015-10-26 10:27:44 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2015-10-27 04:24:35 +0100 |
| commit | caf6e49bf6d02e6bb94df680bbe3beaf680fdefa (patch) | |
| tree | 94c3e0be315322c66ed2347fb52666b5d81ede75 /Documentation | |
| parent | NFC: NCI: allow spi driver to choose transfer clock (diff) | |
| download | linux-caf6e49bf6d02e6bb94df680bbe3beaf680fdefa.tar.xz linux-caf6e49bf6d02e6bb94df680bbe3beaf680fdefa.zip | |
NFC: nfcmrvl: add spi driver
This driver adds the support of SPI-based Marvell NFC controller.
Signed-off-by: Vincent Cuissard <cuissard@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/nfcmrvl.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/nfcmrvl.txt b/Documentation/devicetree/bindings/net/nfc/nfcmrvl.txt index 0fa20cc2c33c..41058fcbd9ae 100644 --- a/Documentation/devicetree/bindings/net/nfc/nfcmrvl.txt +++ b/Documentation/devicetree/bindings/net/nfc/nfcmrvl.txt @@ -4,6 +4,7 @@ Required properties: - compatible: Should be: - "mrvl,nfc-uart" for UART devices - "mrvl,nfc-i2c" for I2C devices + - "mrvl,nfc-spi" for SPI devices Optional SoC specific properties: - pinctrl-names: Contains only one value - "default". @@ -59,3 +60,27 @@ Example (for ARM-based BeagleBoard Black with 88W8887 on I2C1): reset-n-io = <&gpio3 19 0>; }; }; + + +Example (for ARM-based BeagleBoard Black on SPI0): + +&spi0 { + + mrvlnfcspi0: spi@0 { + compatible = "mrvl,nfc-spi"; + + reg = <0>; + + /* SPI Bus configuration */ + spi-max-frequency = <3000000>; + spi-cpha; + spi-cpol; + + /* SPI INT configuration */ + interrupt-parent = <&gpio1>; + interrupts = <17 0>; + + /* Reset IO */ + reset-n-io = <&gpio3 19 0>; + }; +}; |