* H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> [171130 23:52]:
> GTA04 has a W2SG0004/84 connected to UART2 of the OMAP3
> processor. A GPIO can pulse the on/off toggle switch.
>
> The VSIM regulator is used to power on/off the LNA of an external
> active GPS antenna so that a driver can turn the LNA off if GPS is
> not needed to save battery energy.
>
> Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx>
Sounds like Greg's going to take the whole series, so for this
patch:
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/omap3-gta04.dtsi | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
> index 4504908c23fe..1ad744a25c36 100644
> --- a/arch/arm/boot/dts/omap3-gta04.dtsi
> +++ b/arch/arm/boot/dts/omap3-gta04.dtsi
> @@ -477,6 +477,13 @@
> &uart2 {
> pinctrl-names = "default";
> pinctrl-0 = <&uart2_pins>;
> +
> + gps: gps {
> + compatible = "wi2wi,w2sg0004";
> + lna-supply = <&vsim>; /* LNA regulator */
> + /* GPIO_145: trigger for on/off-impulse for w2sg0004 */
> + enable-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
> + };
> };
>
> &uart3 {
> --
> 2.12.2
>
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