On Fri, Jan 25, 2019 at 08:43:10PM +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 <andr...@kemnade.info>
> ---
> w2sg0004 bindings (together with the corresponding support is in
> https://git.kernel.org/pub/scm/linux/kernel/git/johan/gnss gnss-next)
> arch/arm/boot/dts/omap3-gta04.dtsi | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi
> b/arch/arm/boot/dts/omap3-gta04.dtsi
> index e53d32691308..d58c117e429f 100644
> --- a/arch/arm/boot/dts/omap3-gta04.dtsi
> +++ b/arch/arm/boot/dts/omap3-gta04.dtsi
> @@ -312,6 +312,12 @@
> >;
> };
>
> + gps_pins: pinmux_gps_pins {
> + 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 */
> @@ -644,6 +650,13 @@
> &uart2 {
> pinctrl-names = "default";
> pinctrl-0 = <&uart2_pins>;
> + gps: gps {
The node should be named "gnss" as per the binding.
> + compatible = "wi2wi,w2sg0004";
> + pinctrl-names = "default";
> + pinctrl-0 = <&gps_pins>;
> + sirf,onoff-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
> + lna-supply = <&vsim>;
Also, the vcc-supply is a required property.
> + };
> };
>
> &uart3 {
Johan
