ARM: dts: aspeed-g6: Add remaining UARTs

The AST2600 has five UARTs. Add UART 1 to 4.
Tested-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/aspeed-g6.dtsi

@@ -28,6 +28,10 @@ aliases {
 		i2c13 = &i2c13;
 		i2c14 = &i2c14;
 		i2c15 = &i2c15;
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		serial3 = &uart4;
 		serial4 = &uart5;
 		serial5 = &vuart1;
 		serial6 = &vuart2;
@@ -326,6 +330,20 @@ rtc: rtc@1e781000 {
 				status = "disabled";
 			};
 
+			uart1: serial@1e783000 {
+				compatible = "ns16550a";
+				reg = <0x1e783000 0x20>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&syscon ASPEED_CLK_GATE_UART1CLK>;
+				resets = <&lpc_reset 4>;
+				no-loopback-test;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_txd1_default &pinctrl_rxd1_default>;
+				status = "disabled";
+			};
+
 			uart5: serial@1e784000 {
 				compatible = "ns16550a";
 				reg = <0x1e784000 0x1000>;
@@ -513,6 +531,48 @@ vuart2: serial@1e788000 {
 				status = "disabled";
 			};
 
+			uart2: serial@1e78d000 {
+				compatible = "ns16550a";
+				reg = <0x1e78d000 0x20>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&syscon ASPEED_CLK_GATE_UART2CLK>;
+				resets = <&lpc_reset 5>;
+				no-loopback-test;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_txd2_default &pinctrl_rxd2_default>;
+				status = "disabled";
+			};
+
+			uart3: serial@1e78e000 {
+				compatible = "ns16550a";
+				reg = <0x1e78e000 0x20>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&syscon ASPEED_CLK_GATE_UART3CLK>;
+				resets = <&lpc_reset 6>;
+				no-loopback-test;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_txd3_default &pinctrl_rxd3_default>;
+				status = "disabled";
+			};
+
+			uart4: serial@1e78f000 {
+				compatible = "ns16550a";
+				reg = <0x1e78f000 0x20>;
+				reg-shift = <2>;
+				reg-io-width = <4>;
+				interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&syscon ASPEED_CLK_GATE_UART4CLK>;
+				resets = <&lpc_reset 7>;
+				no-loopback-test;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_txd4_default &pinctrl_rxd4_default>;
+				status = "disabled";
+			};
+
 			i2c: bus@1e78a000 {
 				compatible = "simple-bus";
 				#address-cells = <1>;