Add device tree source include file for the AM33XX SoC family.
An additional .dtsi file is created to describe the generic
AM33XX CPU module like intc, ocp.

Actual selection of available peripherals is handled in seperate
.dts files using this am33xx.dtsi generic header file.

Signed-off-by: AnilKumar Ch <redacted>
Reviewed-by: Vaibhav Hiremath <redacted>
---
 arch/arm/boot/dts/am33xx.dtsi |  189 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 189 insertions(+)
 create mode 100644 arch/arm/boot/dts/am33xx.dtsi

diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
new file mode 100644
index 0000000..f46e353
--- /dev/null
+++ b/arch/arm/boot/dts/am33xx.dtsi

@@ -0,0 +1,189 @@
+/*
+ * Device Tree Source for AM33XX SoC
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.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/ "skeleton.dtsi"
+
+/ {
+	compatible = "ti,am33xx";
+
+	aliases {
+		serial0 = &uart1;
+		serial1 = &uart2;
+		serial2 = &uart3;
+		serial3 = &uart4;
+		serial4 = &uart5;
+		serial5 = &uart6;
+	};
+
+	cpus {
+		cpu at 0 {
+			compatible = "arm,cortex-a8";
+		};
+	};
+
+	/*
+	 * The soc node represents the soc top level view. It is uses for IPs
+	 * that are not memory mapped in the MPU view or for the MPU itself.
+	 */
+	soc {
+		compatible = "ti,omap-infra";
+		mpu {
+			compatible = "ti,omap3-mpu";
+			ti,hwmods = "mpu";
+		};
+	};
+
+	/*
+	 * XXX: Use a flat representation of the AM33XX interconnect.
+	 * The real AM33XX interconnect network is quite complex.Since
+	 * that will not bring real advantage to represent that in DT
+	 * for the moment, just use a fake OCP bus entry to represent
+	 * the whole bus hierarchy.
+	 */
+	ocp {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+		ti,hwmods = "l3_main";
+
+		intc: interrupt-controller at 48200000 {
+			compatible = "ti,omap2-intc";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			ti,intc-size = <128>;
+			reg = <0x48200000 0x1000>;
+		};
+
+		gpio1: gpio at 44e07000 {
+			compatible = "ti,omap4-gpio";
+			ti,hwmods = "gpio1";
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		gpio2: gpio at 4804C000 {
+			compatible = "ti,omap4-gpio";
+			ti,hwmods = "gpio2";
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		gpio3: gpio at 481AC000 {
+			compatible = "ti,omap4-gpio";
+			ti,hwmods = "gpio3";
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		gpio4: gpio at 481AE000 {
+			compatible = "ti,omap4-gpio";
+			ti,hwmods = "gpio4";
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		uart1: serial at 44E09000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart1";
+			clock-frequency = <48000000>;
+		};
+
+		uart2: serial at 48022000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart2";
+			clock-frequency = <48000000>;
+		};
+
+		uart3: serial at 48024000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart3";
+			clock-frequency = <48000000>;
+		};
+
+		uart4: serial at 481A6000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart4";
+			clock-frequency = <48000000>;
+		};
+
+		uart5: serial at 481A8000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart5";
+			clock-frequency = <48000000>;
+		};
+
+		uart6: serial at 481AA000 {
+			compatible = "ti,omap3-uart";
+			ti,hwmods = "uart6";
+			clock-frequency = <48000000>;
+		};
+
+		i2c1: i2c at 44E0B000 {
+			compatible = "ti,omap4-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			ti,hwmods = "i2c1";
+		};
+
+		i2c2: i2c at 4802A000 {
+			compatible = "ti,omap4-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			ti,hwmods = "i2c2";
+		};
+
+		i2c3: i2c at 4819C000 {
+			compatible = "ti,omap4-i2c";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			ti,hwmods = "i2c3";
+		};
+
+		mcspi1: spi at 48030000 {
+			compatible = "ti,omap2-mcspi";