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     1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/gnss/mediatek.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Mediatek GNSS Receiver Device Tree Bindings
    8 
    9 maintainers:
   10   - Johan Hovold <johan@kernel.org>
   11 
   12 description:
   13   Mediatek chipsets are used in GNSS-receiver modules produced by several
   14   vendors and can use a UART interface.
   15 
   16 allOf:
   17   - $ref: gnss-common.yaml#
   18 
   19 properties:
   20   compatible:
   21     const: globaltop,pa6h
   22 
   23   vcc-supply:
   24     description:
   25       Main voltage regulator, pin name VCC.
   26 
   27   reset-gpios:
   28     maxItems: 1
   29     description: An optional reset line, with names such as RESET or NRESET.
   30       If the line is active low it should be flagged with GPIO_ACTIVE_LOW.
   31 
   32   timepulse-gpios:
   33     description: Comes with pin names such as PPS1 or 1PPS.
   34 
   35   gnss-fix-gpios:
   36     maxItems: 1
   37     description: GPIO used to determine device position fix state, pin names
   38       FIX or 3D_FIX.
   39 
   40   vbackup-supply:
   41     description:
   42       Regulator providing backup voltage, pin names such as VBAT or VBACKUP.
   43 
   44 required:
   45   - compatible
   46   - vcc-supply
   47 
   48 unevaluatedProperties: false
   49 
   50 examples:
   51   - |
   52     #include <dt-bindings/gpio/gpio.h>
   53     serial {
   54         gnss {
   55             compatible = "globaltop,pa6h";
   56             vcc-supply = <&vcc_3v3>;
   57             reset-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
   58         };
   59     };
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