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Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc/trf7970a.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/trf7970a.txt | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt b/Documentation/devicetree/bindings/net/nfc/trf7970a.txt deleted file mode 100644 index ba1934b950e5..000000000000 --- a/Documentation/devicetree/bindings/net/nfc/trf7970a.txt +++ /dev/null @@ -1,43 +0,0 @@ -* Texas Instruments TRF7970A RFID/NFC/15693 Transceiver - -Required properties: -- compatible: Should be "ti,trf7970a". -- spi-max-frequency: Maximum SPI frequency (<= 2000000). -- interrupts: A single interrupt specifier. -- 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: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- autosuspend-delay: Specify autosuspend delay in milliseconds. -- irq-status-read-quirk: Specify that the trf7970a being used has the - "IRQ Status Read" erratum. -- en2-rf-quirk: Specify that the trf7970a being used has the "EN2 RF" - erratum. -- vdd-io-supply: Regulator specifying voltage for vdd-io -- clock-frequency: Set to specify that the input frequency to the trf7970a is 13560000Hz or 27120000Hz - -Example (for ARM-based BeagleBone with TRF7970A on SPI1): - -&spi1 { - - nfc@0 { - compatible = "ti,trf7970a"; - reg = <0>; - pinctrl-names = "default"; - pinctrl-0 = <&trf7970a_default>; - spi-max-frequency = <2000000>; - interrupt-parent = <&gpio2>; - interrupts = <14 0>; - ti,enable-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>, - <&gpio2 5 GPIO_ACTIVE_HIGH>; - vin-supply = <&ldo3_reg>; - vdd-io-supply = <&ldo2_reg>; - autosuspend-delay = <30000>; - irq-status-read-quirk; - en2-rf-quirk; - clock-frequency = <27120000>; - }; -}; |