Re: [PATCH v3 2/4] dt-bindings: gnss: add mediatek binding

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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 <lollivier@xxxxxxxxxxxx>
> ---
> 
> 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
> 



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