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     1 u-blox GNSS Receiver DT binding
    2 
    3 The u-blox GNSS receivers can use UART, DDC (I2C), SPI and USB interfaces.
    4 
    5 Please see Documentation/devicetree/bindings/gnss/gnss.txt for generic
    6 properties.
    7 
    8 Required properties:
    9 
   10 - compatible    : Must be one of
   11 
   12                         "u-blox,neo-6m"
   13                         "u-blox,neo-8"
   14                         "u-blox,neo-m8"
   15 
   16 - vcc-supply    : Main voltage regulator
   17 
   18 Required properties (DDC):
   19 - reg           : DDC (I2C) slave address
   20 
   21 Required properties (SPI):
   22 - reg           : SPI chip select address
   23 
   24 Required properties (USB):
   25 - reg           : Number of the USB hub port or the USB host-controller port
   26                   to which this device is attached
   27 
   28 Optional properties:
   29 
   30 - timepulse-gpios       : Time pulse GPIO
   31 - u-blox,extint-gpios   : GPIO connected to the "external interrupt" input pin
   32 - v-bckp-supply : Backup voltage regulator
   33 
   34 Example:
   35 
   36 serial@1234 {
   37         compatible = "ns16550a";
   38 
   39         gnss {
   40                 compatible = "u-blox,neo-8";
   41 
   42                 v-bckp-supply = <&gnss_v_bckp_reg>;
   43                 vcc-supply = <&gnss_vcc_reg>;
   44         };
   45 };
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