board: ls1012a: LS1012A-2G5RDB board support

LS1012A-2G5RDB belongs to LS1012A family with features 2 2.5G SGMII
PFE MAC, SATA, USB 2.0/3.0, WiFi DDR, eMMC, QuadSPI, UART.

Signed-off-by: Bhaskar Upadhaya <Bhaskar.Upadhaya@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index bbc4f47..11d6f17 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -209,6 +209,7 @@
 	fsl-ls1046a-rdb.dtb \
 	fsl-ls1012a-qds.dtb \
 	fsl-ls1012a-rdb.dtb \
+	fsl-ls1012a-2g5rdb.dtb \
 	fsl-ls1012a-frdm.dtb
 
 dtb-$(CONFIG_ARCH_SNAPDRAGON) += dragonboard410c.dtb
diff --git a/arch/arm/dts/fsl-ls1012a-2g5rdb.dts b/arch/arm/dts/fsl-ls1012a-2g5rdb.dts
new file mode 100644
index 0000000..dbe01dd
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1012a-2g5rdb.dts
@@ -0,0 +1,43 @@
+/*
+ * NXP ls1012a 2G5RDB board device tree source
+ *
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+#include "fsl-ls1012a.dtsi"
+
+/ {
+	model = "LS1012A 2G5RDB Board";
+
+	aliases {
+		spi0 = &qspi;
+	};
+
+	chosen {
+		stdout-path = &duart0;
+	};
+};
+
+&qspi {
+	bus-num = <0>;
+	status = "okay";
+
+	qflash0: s25fl128s@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&duart0 {
+	status = "okay";
+};