[Letux-kernel] [PATCH v4 4/5] DTS: gta04: add serdev node for w2sg00x4

Tony Lindgren tony at atomide.com
Fri Nov 17 18:08:57 CET 2017


* H. Nikolaus Schaller <hns at goldelico.com> [171115 21:41]:
> 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 at goldelico.com>
> ---
>  arch/arm/boot/dts/omap3-gta04.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
> index 4504908c23fe..e967d738aaaf 100644
> --- a/arch/arm/boot/dts/omap3-gta04.dtsi
> +++ b/arch/arm/boot/dts/omap3-gta04.dtsi
> @@ -477,6 +477,12 @@
>  &uart2 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&uart2_pins>;
> +
> +	gps: gps {
> +		compatible = "wi2wi,w2sg0004";
> +		lna-supply = <&vsim>;   /* LNA regulator */
> +		enable-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;    /* GPIO_145: trigger for turning on/off w2sg0004 */
> +	};
>  };

How about move the comment above the node to avoid long lines?
Or just change it to gpio_145 for the comment as the property
is already enable-gpios?

Regards,

Tony


More information about the Letux-kernel mailing list