arch/arm/mach-imx/imx27-dt.c

   1 /*
   2  * Copyright 2012 Sascha Hauer, Pengutronix
   3  *
   4  * The code contained herein is licensed under the GNU General Public
   5  * License. You may obtain a copy of the GNU General Public License
   6  * Version 2 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  */
  11
  12 #include <linux/irq.h>
  13 #include <linux/of_irq.h>
  14 #include <linux/of_platform.h>
  15 #include <asm/mach/arch.h>
  16 #include <asm/mach/time.h>
  17
  18 #include "common.h"
  19 #include "hardware.h"
  20 #include "mx27.h"
  21
  22 static void __init imx27_dt_init(void)
  23 {
  24         struct platform_device_info devinfo = { .name = "cpufreq-cpu0", };
  25
  26         mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
  27
  28         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  29
  30         platform_device_register_full(&devinfo);
  31 }
  32
  33 static const char * const imx27_dt_board_compat[] __initconst = {
  34         "fsl,imx27",
  35         NULL
  36 };
  37
  38 static void __init imx27_timer_init(void)
  39 {
  40         mx27_clocks_init_dt();
  41 }
  42
  43 DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
  44         .map_io         = mx27_map_io,
  45         .init_early     = imx27_init_early,
  46         .init_irq       = mx27_init_irq,
  47         .handle_irq     = imx27_handle_irq,
  48         .init_time      = imx27_timer_init,
  49         .init_machine   = imx27_dt_init,
  50         .dt_compat      = imx27_dt_board_compat,
  51         .restart        = mxc_restart,
  52 MACHINE_END