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Date:   Thu, 21 Dec 2017 06:53:22 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Russell King <linux@...linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kevin Hilman <khilman@...libre.com>,
        Andreas Färber <afaerber@...e.de>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Cameron <jic23@...nel.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v5 4/5] DTS: gta04: add uart2 child node for w2sg00x4

* H. Nikolaus Schaller <hns@...delico.com> [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@...delico.com>

Sounds like Greg's going to take the whole series, so for this
patch:

Acked-by: Tony Lindgren <tony@...mide.com>

> ---
>  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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