ARM: dts: omap4-droid4: Add bluetooth

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@collabora.co.uk>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts
index 89eb607..13f8d86 100644 (file)
--- 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>;
 };