ARM: dts: am3517-som: Add builtin Bluetooth

This enables the Bluetooth on the wl1271 available in some models
of the AM3517-SOM from Logic PD.
Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am3517-som.dtsi

@@ -169,6 +169,16 @@ wlcore: wlcore@2 {
 	};
 };
 
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+
+	bluetooth {
+		compatible = "ti,wl1271-st";
+		enable-gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>; /* gpio 56 */
+		max-speed = <3000000>;
+	};
+};
 
 &omap3_pmx_core {
 
@@ -205,6 +215,16 @@ tsc2004_pins: pinmux_tsc2004_pins {
 			OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
 		>;
 	};
+
+	uart2_pins: pinmux_uart2_pins {
+		pinctrl-single,pins = <
+			OMAP3_CORE1_IOPAD(0x2174, PIN_INPUT_PULLUP | MUX_MODE0)		/* uart2_cts */
+			OMAP3_CORE1_IOPAD(0x2176, PIN_OUTPUT_PULLUP | MUX_MODE0)	/* uart2_rts */
+			OMAP3_CORE1_IOPAD(0x2178, PIN_OUTPUT | MUX_MODE0)		/* uart2_tx */
+			OMAP3_CORE1_IOPAD(0x217a, PIN_INPUT | MUX_MODE0)		/* uart2_rx */
+			OMAP3_CORE1_IOPAD(0x20b8, PIN_INPUT | MUX_MODE0)		/* gpio_56 */
+		>;
+	};
 };
 
 &omap3_pmx_wkup {