armv8: lx2160a: Add LX2160A SoC Support

LX2160A Soc is based on Layerscape Chassis Generation 3.2
architecture with features:
 16 ARM v8 Cortex-A72 cores in 8 cluster, CCN508, SEC,
 2 64-bit DDR4 memory controller, RGMII, 8 I2C controllers,
 3 serdes modules, USB 3.0, SATA, 4 PL011 SBSA UARTs,
 4 TZASC instances, etc.

SoC personalites:
LX2120A is SoC with Twelve 64-bit ARM v8 Cortex-A72 CPUs
LX2080A is SoC with Eight 64-bit ARM v8 Cortex-A72 CPUs

Signed-off-by: Bao Xiaowei <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/arch/arm/dts/fsl-lx2160a.dtsi b/arch/arm/dts/fsl-lx2160a.dtsi
new file mode 100644
index 0000000..b407dc6
--- /dev/null
+++ b/arch/arm/dts/fsl-lx2160a.dtsi
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * NXP lx2160a SOC common device tree source
+ *
+ * Copyright 2018 NXP
+ *
+ */
+
+/ {
+	compatible = "fsl,lx2160a";
+	interrupt-parent = <&gic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000 0 0x80000000>;
+		      /* DRAM space - 1, size : 2 GB DRAM */
+	};
+
+	sysclk: sysclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <100000000>;
+		clock-output-names = "sysclk";
+	};
+
+	clockgen: clocking@1300000 {
+		compatible = "fsl,ls2080a-clockgen";
+		reg = <0 0x1300000 0 0xa0000>;
+		#clock-cells = <2>;
+		clocks = <&sysclk>;
+	};
+
+	gic: interrupt-controller@6000000 {
+		compatible = "arm,gic-v3";
+		reg = <0x0 0x06000000 0 0x10000>, /* GIC Dist */
+		      <0x0 0x06200000 0 0x100000>; /* GICR */
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		interrupts = <1 9 0x4>;
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <1 13 0x8>, /* Physical Secure PPI, active-low */
+			     <1 14 0x8>, /* Physical NS PPI, active-low */
+			     <1 11 0x8>, /* Virtual PPI, active-low */
+			     <1 10 0x8>; /* Hypervisor PPI, active-low */
+	};
+
+	uart0: serial@21c0000 {
+		compatible = "arm,pl011";
+		reg = <0x0 0x21c0000 0x0 0x1000>;
+		clocks = <&clockgen 4 0>;
+	};
+
+	uart1: serial@21d0000 {
+		compatible = "arm,pl011";
+		reg = <0x0 0x21d0000 0x0 0x1000>;
+		clocks = <&clockgen 4 0>;
+	};
+
+	uart2: serial@21e0000 {
+		compatible = "arm,pl011";
+		reg = <0x0 0x21e0000 0x0 0x1000>;
+		clocks = <&clockgen 4 0>;
+		status = "disabled";
+	};
+
+	uart3: serial@21f0000 {
+		compatible = "arm,pl011";
+		reg = <0x0 0x21f0000 0x0 0x1000>;
+		clocks = <&clockgen 4 0>;
+		status = "disabled";
+	};
+
+	dspi0: dspi@2100000 {
+		compatible = "fsl,vf610-dspi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x0 0x2100000 0x0 0x10000>;
+		interrupts = <0 26 0x4>; /* Level high type */
+		num-cs = <6>;
+	};
+
+	dspi1: dspi@2110000 {
+		compatible = "fsl,vf610-dspi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x0 0x2110000 0x0 0x10000>;
+		interrupts = <0 240 0x4>; /* Level high type */
+		num-cs = <6>;
+	};
+
+	dspi2: dspi@2120000 {
+		compatible = "fsl,vf610-dspi";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		reg = <0x0 0x2120000 0x0 0x10000>;
+		interrupts = <0 241 0x4>; /* Level high type */
+		num-cs = <6>;
+	};
+
+	usb0: usb3@3100000 {
+		compatible = "fsl,layerscape-dwc3";
+		reg = <0x0 0x3100000 0x0 0x10000>;
+		interrupts = <0 80 0x4>; /* Level high type */
+		dr_mode = "host";
+	};
+
+	usb1: usb3@3110000 {
+		compatible = "fsl,layerscape-dwc3";
+		reg = <0x0 0x3110000 0x0 0x10000>;
+		interrupts = <0 81 0x4>; /* Level high type */
+		dr_mode = "host";
+	};
+};