sirfstar.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/gnss/sirfstar.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: SiRFstar GNSS Receiver Device Tree Bindings
    8 
    9 maintainers:
   10   - Johan Hovold <johan@kernel.org>
   11 
   12 description:
   13   The SiRFstar GNSS receivers have incarnated over the years in different
   14   chips, starting from the SiRFstarIII which was a chip that was introduced in
   15   2004 and used in a lot of dedicated GPS devices. In 2009 SiRF was acquired
   16   by CSR (Cambridge Silicon Radio) and in 2012 the CSR GPS business was
   17   acquired by Samsung, while some products remained with CSR. In 2014 CSR
   18   was acquired by Qualcomm who still sell some of the SiRF products.
   19 
   20   SiRF chips can be used over UART, I2C or SPI buses.
   21 
   22 allOf:
   23   - $ref: gnss-common.yaml#
   24 
   25 properties:
   26   compatible:
   27     enum:
   28       - csr,gsd4t
   29       - csr,csrg05ta03-icje-r
   30       - fastrax,uc430
   31       - linx,r4
   32       - wi2wi,w2sg0004
   33       - wi2wi,w2sg0008i
   34       - wi2wi,w2sg0084i
   35 
   36   reg:
   37     description:
   38       The I2C Address, SPI chip select address. Not required on UART buses.
   39 
   40   vcc-supply:
   41     description:
   42       Main voltage regulator, pin names such as 3V3_IN, VCC, VDD.
   43 
   44   reset-gpios:
   45     maxItems: 1
   46     description: An optional active low reset line, should be flagged with
   47       GPIO_ACTIVE_LOW.
   48 
   49   sirf,onoff-gpios:
   50     maxItems: 1
   51     description: GPIO used to power on and off device, pin name ON_OFF.
   52 
   53   sirf,wakeup-gpios:
   54     maxItems: 1
   55     description: GPIO used to determine device power state, pin names such
   56       as RFPWRUP, WAKEUP.
   57 
   58 required:
   59   - compatible
   60   - vcc-supply
   61 
   62 unevaluatedProperties: false
   63 
   64 examples:
   65   - |
   66     #include <dt-bindings/gpio/gpio.h>
   67     serial {
   68         gnss {
   69             compatible = "wi2wi,w2sg0084i";
   70             vcc-supply = <&gnss_vcc_reg>;
   71             reset-gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
   72             sirf,onoff-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
   73             sirf,wakeup-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
   74             current-speed = <38400>;
   75         };
   76     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/gnss/sirfstar.yaml

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sys/contrib/device-tree/Bindings/gnss/sirfstar.yaml