Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 55 insertions, 0 deletions

diff --git a/kernel/arch/arm/boot/dts/kirkwood-ts219-6281.dts b/kernel/arch/arm/boot/dts/kirkwood-ts219-6281.dts
new file mode 100644
index 000000000..9767d73f3
--- /dev/null
+++ b/kernel/arch/arm/boot/dts/kirkwood-ts219-6281.dts
@@ -0,0 +1,55 @@
+/dts-v1/;
+
+#include "kirkwood.dtsi"
+#include "kirkwood-6281.dtsi"
+#include "kirkwood-ts219.dtsi"
+
+/ {
+	ocp@f1000000 {
+		pinctrl: pin-controller@10000 {
+
+			pinctrl-0 = <&pmx_ram_size &pmx_board_id>;
+			pinctrl-names = "default";
+
+			pmx_ram_size: pmx-ram-size {
+				/* RAM: 0: 256 MB, 1: 512 MB */
+				marvell,pins = "mpp36";
+				marvell,function = "gpio";
+			};
+			pmx_USB_copy_button: pmx-USB-copy-button {
+				marvell,pins = "mpp15";
+				marvell,function = "gpio";
+			};
+			pmx_reset_button: pmx-reset-button {
+				marvell,pins = "mpp16";
+				marvell,function = "gpio";
+			};
+			pmx_board_id: pmx-board-id {
+				/* 0: TS-11x, 1: TS-21x */
+				marvell,pins = "mpp44";
+				marvell,function = "gpio";
+			};
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-0 = <&pmx_reset_button &pmx_USB_copy_button>;
+		pinctrl-names = "default";
+
+		button@1 {
+			label = "USB Copy";
+			linux,code = <KEY_COPY>;
+			gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
+		};
+		button@2 {
+			label = "Reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&ethphy0 { reg = <8>; };