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    SubjectRe: [PATCH v3 2/2] arm: dts: gta04: add gps support
    On Thu, Jan 31, 2019 at 07:06:40PM +0100, Andreas Kemnade wrote:
    > The GTA04 has a w2sg0004 or w2sg0084 gps chip. Not detectable
    > which one is mounted so use the compatibility entry for w2sg0004
    > for all which will work for both.
    >
    > Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
    > ---
    > Changes in v3:
    > - converted to a patchset
    > - added vcc-supply
    >
    > Changes in v2:
    > - some s/gps/gnss/
    > - not added vcc-supply because the regulator is not modelled
    > in dts at all
    >
    > w2sg0004 bindings are in next-20190129
    >
    > arch/arm/boot/dts/omap3-gta04.dtsi | 14 ++++++++++++++
    > 1 file changed, 14 insertions(+)
    >
    > diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
    > index 02d8274a2f47..4ea0f7dc37c6 100644
    > --- a/arch/arm/boot/dts/omap3-gta04.dtsi
    > +++ b/arch/arm/boot/dts/omap3-gta04.dtsi
    > @@ -320,6 +320,12 @@
    > >;
    > };
    >
    > + gps_pins: pinmux_gps_pins {

    s/gps/gnss/ would be more consistent, but whatever.

    > + pinctrl-single,pins = <
    > + OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* gpio145 */
    > + >;
    > + };
    > +
    > hdq_pins: hdq_pins {
    > pinctrl-single,pins = <
    > OMAP3_CORE1_IOPAD(0x21c6, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_sda.hdq */
    > @@ -652,6 +658,14 @@
    > &uart2 {
    > pinctrl-names = "default";
    > pinctrl-0 = <&uart2_pins>;
    > + gnss: gnss {
    > + compatible = "wi2wi,w2sg0004";
    > + pinctrl-names = "default";
    > + pinctrl-0 = <&gps_pins>;
    > + sirf,onoff-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
    > + lna-supply = <&vsim>;
    > + vcc-supply = <&ldo_3v3>;
    > + };

    Reviewed-by: Johan Hovold <johan@kernel.org>

    Johan

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