ARM: dts: am335x-boneblue: enable usarts

BeagleBone Blue: usarts: enable all the dedicated usart connectors.

DSM2/uart4: on the Blue, this is a recieve only interface.
Signed-off-by: NRobert Nelson <robertcnelson@gmail.com>
Cc: Jason Kridner <jkridner@beagleboard.org>
Cc: Drew Fustini <drew@beagleboard.org>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am335x-boneblue.dts

@@ -159,6 +159,7 @@
 		>;
 	};
 
+	/* UT0 */
 	uart0_pins: pinmux_uart0_pins {
 		pinctrl-single,pins = <
 			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)	/* (E15) uart0_rxd.uart0_rxd */
@@ -166,6 +167,37 @@
 		>;
 	};
 
+	/* UT1 */
+	uart1_pins: pinmux_uart1_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0)	/* (D16) uart1_rxd.uart1_rxd */
+			AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* (D15) uart1_txd.uart1_txd */
+		>;
+	};
+
+	/* GPS */
+	uart2_pins: pinmux_uart2_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE1)	/* (A17) spi0_sclk.uart2_rxd */
+			AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLDOWN | MUX_MODE1)	/* (B17) spi0_d0.uart2_txd */
+		>;
+	};
+
+	/* DSM2 */
+	uart4_pins: pinmux_uart4_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE6)	/* (T17) gpmc_wait0.uart4_rxd */
+		>;
+	};
+
+	/* UT5 */
+	uart5_pins: pinmux_uart5_pins {
+		pinctrl-single,pins = <
+			AM33XX_IOPAD(0x8C4, PIN_INPUT_PULLUP | MUX_MODE4)	/* (U2) lcd_data9.uart5_rxd */
+			AM33XX_IOPAD(0x8C0, PIN_OUTPUT_PULLDOWN | MUX_MODE4)	/* (U1) lcd_data8.uart5_txd */
+		>;
+	};
+
 	mmc1_pins: pinmux_mmc1_pins {
 		pinctrl-single,pins = <
 			AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)		/* (C15) spi0_cs1.gpio0[6] */
@@ -229,6 +261,34 @@
 	status = "okay";
 };
 
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pins>;
+
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+
+	status = "okay";
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4_pins>;
+
+	status = "okay";
+};
+
+&uart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart5_pins>;
+
+	status = "okay";
+};
+
 &usb {
 	status = "okay";
 };