Droid 4 has WL 1285C connected to the OMAP's UART4 port, which is used for Bluetooth and most likely can also be used for controlling the FM radio and GPS receivers. Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx> --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts index c09b51d6ccf7..bd7f1cc55371 100644 --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -453,6 +453,15 @@ OMAP4_IOPAD(0x1c8, PIN_INPUT_PULLUP | MUX_MODE7) >; }; + + uart4_pins: pinmux_uart4_pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x15c, PIN_INPUT | MUX_MODE0) /* uart4_rx */ + OMAP4_IOPAD(0x15e, PIN_OUTPUT | MUX_MODE0) /* uart4_tx */ + OMAP4_IOPAD(0x110, PIN_INPUT_PULLUP | MUX_MODE5) /* uart4_cts */ + OMAP4_IOPAD(0x112, PIN_OUTPUT_PULLUP | MUX_MODE5) /* uart4_rts */ + >; + }; }; &omap4_pmx_wkup { @@ -469,6 +478,17 @@ &omap4_pmx_core 0x17c>; }; +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins>; + + bluetooth { + compatible = "ti,wl1285-st"; + enable-gpios = <&gpio6 14 GPIO_ACTIVE_HIGH>; /* gpio 174 */ + max-speed = <3686400>; + }; +}; + &usbhsehci { phys = <&hsusb1_phy>; }; -- 2.11.0