armv8: ls1046aqds: Add LS1046AQDS board support

LS1046AQDS Specification:
-------------------------
Memory subsystem:
 * 8GByte DDR4 SDRAM (64bit bus)
 * 128 Mbyte NOR flash single-chip memory
 * 512 Mbyte NAND flash
 * 64 Mbyte high-speed SPI flash
 * SD connector to interface with the SD memory card

Ethernet:
 * Two XFI 10G ports
 * Two SGMII ports
 * Two RGMII ports

PCIe: supports Gen 1 and Gen 2

SATA 3.0: one SATA 3.0 port

USB 3.0: two micro AB connector and one type A connector

UART: supports two UARTs up to 115200 bps for console

Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Signed-off-by: Mingkai Hu <mingkai.hu@nxp.com>
Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/dts/fsl-ls1046a-qds.dtsi b/arch/arm/dts/fsl-ls1046a-qds.dtsi
new file mode 100644
index 0000000..c512293
--- /dev/null
+++ b/arch/arm/dts/fsl-ls1046a-qds.dtsi
@@ -0,0 +1,77 @@
+/*
+ * Device Tree Include file for Freescale Layerscape-1046A family SoC.
+ *
+ * Copyright (C) 2016, Freescale Semiconductor
+ *
+ * Mingkai Hu <Mingkai.hu@nxp.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/include/ "fsl-ls1046a.dtsi"
+
+/ {
+	model = "LS1046A QDS Board";
+	aliases {
+		spi0 = &qspi;
+		spi1 = &dspi0;
+	};
+};
+
+&dspi0 {
+	bus-num = <0>;
+	status = "okay";
+
+	dflash0: n25q128a {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <1000000>; /* input clock */
+		spi-cpol;
+		spi-cpha;
+		reg = <0>;
+	};
+
+	dflash1: sst25wf040b {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <3500000>;
+		spi-cpol;
+		spi-cpha;
+		reg = <1>;
+	};
+
+	dflash2: en25s64 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <3500000>;
+		spi-cpol;
+		spi-cpha;
+		reg = <2>;
+	};
+};
+
+&qspi {
+	bus-num = <0>;
+	status = "okay";
+
+	qflash0: s25fl128s@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spi-flash";
+		spi-max-frequency = <20000000>;
+		reg = <0>;
+	};
+};
+
+&duart0 {
+	status = "okay";
+};
+
+&duart1 {
+	status = "okay";
+};