On Tue, Apr 24, 2018 at 11:34 AM, Johan Hovold <jo...@kernel.org> wrote:
> Add binding for u-blox GNSS receivers.
>
> Note that the u-blox product names encodes form factor (e.g. "neo"),
> chipset (e.g. "8") and variant (e.g. "q"), but that only formfactor and
> chipset is used for the compatible strings (for now).
>
> Signed-off-by: Johan Hovold <jo...@kernel.org>
> ---
> .../devicetree/bindings/gnss/u-blox.txt | 31 +++++++++++++++++++
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
> 2 files changed, 32 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gnss/u-blox.txt
>
> diff --git a/Documentation/devicetree/bindings/gnss/u-blox.txt
> b/Documentation/devicetree/bindings/gnss/u-blox.txt
> new file mode 100644
> index 000000000000..bb54b83a177f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gnss/u-blox.txt
> @@ -0,0 +1,31 @@
> +u-blox GNSS Receiver DT binding
> +
> +The u-blox GNSS receivers can use UART, DDC (I2C), SPI and USB interfaces.
> +
> +Please see Documentation/devicetree/bindings/gnss/gnss.txt for generic
> +properties.
> +
> +Required Properties:
> +
> +- compatible : Must be one of
> +
> + "u-blox,neo-8"
> + "u-blox,neo-m8"
> +
> +- vcc-supply : Main voltage regulator (VCC)
What about V_BCKP?
> +
> +Optional Properties:
reg is required if using I2C, SPI, or USB.
Datasheet also shows an interrupt pin.
> +
> +- timepulse-gpios : Timepulse (e.g. 1PPS) GPIO (TIMEPULSE)
Why the 3rd "TIMEPULSE"?
> +
> +Example:
> +
> +serial@1234 {
> + compatible = "ns16550a";
> +
> + gnss {
> + compatible = "u-blox,neo-8";
> +
> + vcc-supply = <&gnss_reg>;
> + };
> +};
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index b5f978a4cac6..2128dfdf73f1 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -374,6 +374,7 @@ tronsmart Tronsmart
> truly Truly Semiconductors Limited
> tsd Theobroma Systems Design und Consulting GmbH
> tyan Tyan Computer Corporation
> +u-blox u-blox
> ucrobotics uCRobotics
> ubnt Ubiquiti Networks
> udoo Udoo
> --
> 2.17.0
>
