ARM: i.MX1: Add devicetree support

This patch adds basic devicetree support for i.MX1 based SoCs.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
diff --git a/arch/arm/mach-imx/imx1-dt.c b/arch/arm/mach-imx/imx1-dt.c
new file mode 100644
index 0000000..6f915b0
--- /dev/null
+++ b/arch/arm/mach-imx/imx1-dt.c
@@ -0,0 +1,26 @@
+/*
+ *  Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+
+#include "common.h"
+
+static const char * const imx1_dt_board_compat[] __initconst = {
+	"fsl,imx1",
+	NULL
+};
+
+DT_MACHINE_START(IMX1_DT, "Freescale i.MX1 (Device Tree Support)")
+	.map_io		= mx1_map_io,
+	.init_early	= imx1_init_early,
+	.init_irq	= mx1_init_irq,
+	.dt_compat	= imx1_dt_board_compat,
+	.restart	= mxc_restart,
+MACHINE_END