On Mon, Jan 28, 2019 at 05:37:59PM +0100, Loys Ollivier wrote:
> Add binding for Mediatek-based GNSS receivers.
> 
> Signed-off-by: Loys Ollivier <[email protected]>
> ---
> 
> v3:
> Removed the I2C and SPI interfaces references.
> Removed the "mediatek,mt3339" compatible line.
> Added the optional propertied (reset, fix)
> Added the pin names for the optional properties.
> 
> v2:
> Renamed bindings from Globaltop/gtop to Mediatek/mtk.
> Moved current-speed as an optional propertie.
> Removed the status line in the example.
> Added "mediatek,mt3339" compatible.
> 
>  .../devicetree/bindings/gnss/mediatek.txt          | 37 
> ++++++++++++++++++++++
>  1 file changed, 37 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gnss/mediatek.txt
> 
> diff --git a/Documentation/devicetree/bindings/gnss/mediatek.txt 
> b/Documentation/devicetree/bindings/gnss/mediatek.txt
> new file mode 100644
> index 000000000000..00650d81c5c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/gnss/mediatek.txt
> @@ -0,0 +1,37 @@
> +Mediatek-based GNSS Receiver DT binding
> +
> +Mediatek chipsets are used in GNSS-receiver modules produced by several
> +vendors and can use an UART interface.
> +
> +Please see Documentation/devicetree/bindings/gnss/gnss.txt for generic
> +properties.
> +
> +Required properties:
> +
> +- compatible : Must be
> +
> +                     "globaltop,pa6h"
> +
> +- vcc-supply : Main voltage regulator (pin name: VCC)
> +
> +Optional properties:
> +
> +- gtop,reset-gpios   : GPIO used to reset the device
> +                       (pin name: RESET, NRESET)

reset-gpios is the standard name.

> +- gtop,fix-gpios     : GPIO used to determine device position fix state
> +                       (pin name: FIX, 3D_FIX)
> +- timepulse-gpios    : Time pulse GPIO (pin name: PPS1, 1PPS)
> +- v-bckp-supply              : Backup voltage regulator
> +                       (pin name: VBAT, VBACKUP)
> +- current-speed              : Default UART baud rate
> +
> +Example:
> +
> +serial@1234 {
> +     compatible = "ns16550a";
> +
> +     gnss {
> +             compatible = "globaltop,pa6h";
> +             vcc-supply = <&vcc_3v3>;
> +     };
> +};
> -- 
> 2.7.4
> 

Reply via email to