From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1752471AbdLUOxa (ORCPT <rfc822;w@1wt.eu>);
        Thu, 21 Dec 2017 09:53:30 -0500
Received: from muru.com ([72.249.23.125]:32840 "EHLO muru.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1750921AbdLUOx1 (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 21 Dec 2017 09:53:27 -0500
Date: Thu, 21 Dec 2017 06:53:22 -0800
From: Tony Lindgren <tony@atomide.com>
To: "H. Nikolaus Schaller" <hns@goldelico.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        =?utf-8?Q?Beno=C3=AEt?= Cousson <bcousson@baylibre.com>,
        Russell King <linux@armlinux.org.uk>, Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kevin Hilman <khilman@baylibre.com>,
        Andreas =?utf-8?Q?F=C3=A4rber?= <afaerber@suse.de>,
        Thierry Reding <treding@nvidia.com>,
        Jonathan Cameron <jic23@kernel.org>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
        letux-kernel@openphoenux.org, kernel@pyra-handheld.com,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 4/5] DTS: gta04: add uart2 child node for w2sg00x4
Message-ID: <20171221145322.GN3875@atomide.com>
References: <cover.1512114576.git.hns@goldelico.com>
 <1b1c7a8319eaf61a46eebd7a366ea745b7a54634.1512114577.git.hns@goldelico.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1b1c7a8319eaf61a46eebd7a366ea745b7a54634.1512114577.git.hns@goldelico.com>
User-Agent: Mutt/1.9.1 (2017-09-22)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

* H. Nikolaus Schaller <hns@goldelico.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@goldelico.com>

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

Acked-by: Tony Lindgren <tony@atomide.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
>