arch/arm/mach-at91/board-rm9200-dt.c

   1 /*
   2  *  Setup code for AT91RM9200 Evaluation Kits with Device Tree support
   3  *
   4  *  Copyright (C) 2011 Atmel,
   5  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
   6  *                2012 Joachim Eastwood <manabian@gmail.com>
   7  *
   8  * Licensed under GPLv2 or later.
   9  */
  10
  11 #include <linux/types.h>
  12 #include <linux/init.h>
  13 #include <linux/module.h>
  14 #include <linux/gpio.h>
  15 #include <linux/of.h>
  16 #include <linux/of_irq.h>
  17 #include <linux/of_platform.h>
  18
  19 #include <asm/setup.h>
  20 #include <asm/irq.h>
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/map.h>
  23 #include <asm/mach/irq.h>
  24
  25 #include "at91_aic.h"
  26 #include "generic.h"
  27
  28
  29 static const struct of_device_id irq_of_match[] __initconst = {
  30         { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
  31         { /*sentinel*/ }
  32 };
  33
  34 static void __init at91rm9200_dt_init_irq(void)
  35 {
  36         of_irq_init(irq_of_match);
  37 }
  38
  39 static void __init at91rm9200_dt_device_init(void)
  40 {
  41         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  42 }
  43
  44 static const char *at91rm9200_dt_board_compat[] __initdata = {
  45         "atmel,at91rm9200",
  46         NULL
  47 };
  48
  49 DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")
  50         .timer          = &at91rm9200_timer,
  51         .map_io         = at91_map_io,
  52         .handle_irq     = at91_aic_handle_irq,
  53         .init_early     = at91rm9200_dt_initialize,
  54         .init_irq       = at91rm9200_dt_init_irq,
  55         .init_machine   = at91rm9200_dt_device_init,
  56         .dt_compat      = at91rm9200_dt_board_compat,
  57 MACHINE_END