| Message ID | 1b1c7a8319eaf61a46eebd7a366ea745b7a54634.1512114577.git.hns@goldelico.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
* 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 >
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 {
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> --- arch/arm/boot/dts/omap3-gta04.dtsi | 7 +++++++ 1 file changed, 7 insertions(+)