linux-kernel - Re: [linux-sunxi] [PATCH v2 5/5] ARM: dts: sun8i: tbs-a711: Enable UART2 (for NEO-6M GPS module)

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Date:   Thu, 4 Apr 2019 14:43:22 +0200
From:   Ondřej Jirman <megous@...ous.com>
To:     maxime.ripard@...e-electrons.com, wens@...e.org, robh@...nel.org,
        johan@...nel.org, mark.rutland@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: Re: [linux-sunxi] [PATCH v2 5/5] ARM: dts: sun8i: tbs-a711: Enable
 UART2 (for NEO-6M GPS module)

Hello Maxime,

On Mon, Apr 01, 2019 at 01:56:16PM +0200, megous via linux-sunxi wrote:
> From: Ondrej Jirman <megous@...ous.com>
> 
> TBS A711 tablet contains u-blox NEO-6M module connected to UART2.
> Enable UART2 to gain access to the module from userspace.

Other GPS bits are now applied (thank you, Johan), so if this last bit
can go in too via a sunxi tree, the series will be complete.

thank you,
  Ondrej

> Signed-off-by: Ondrej Jirman <megous@...ous.com>
> ---
>  arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> index d70fe04b66f0..fd170bc45927 100644
> --- a/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> +++ b/arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
> @@ -98,6 +98,13 @@
>  		};
>  	};
>  
> +	reg_gps: reg-gps {
> +		compatible = "regulator-fixed";
> +		regulator-name = "gps";
> +		regulator-min-microvolt = <3000000>;
> +		regulator-max-microvolt = <3000000>;
> +	};
> +
>  	reg_vbat: reg-vbat {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vbat";
> @@ -422,6 +429,20 @@
>  	status = "okay";
>  };
>  
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&uart2_pb_pins>;
> +	status = "okay";
> +
> +	gnss {
> +		compatible = "u-blox,neo-6m";
> +
> +		v-bckp-supply = <&reg_rtc_ldo>;
> +		vcc-supply = <&reg_gps>;
> +		current-speed = <9600>;
> +	};
> +};
> +
>  &usb_otg {
>  	dr_mode = "otg";
>  	status = "okay";
> -- 
> 2.21.0
> 
> -- 
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