LXR linux/arch/arm/mach-at91/board-dt.c

   1/*
   2 *  Setup code for AT91SAM Evaluation Kits with Device Tree support
   3 *
   4 *  Copyright (C) 2011 Atmel,
   5 *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>
   6 *
   7 * Licensed under GPLv2 or later.
   8 */
   9
  10#include <linux/types.h>
  11#include <linux/init.h>
  12#include <linux/module.h>
  13#include <linux/gpio.h>
  14#include <linux/of.h>
  15#include <linux/of_irq.h>
  16#include <linux/of_platform.h>
  17
  18#include <mach/board.h>
  19#include <mach/at91_aic.h>
  20
  21#include <asm/setup.h>
  22#include <asm/irq.h>
  23#include <asm/mach/arch.h>
  24#include <asm/mach/map.h>
  25#include <asm/mach/irq.h>
  26
  27#include "generic.h"
  28
  29
  30static const struct of_device_id irq_of_match[] __initconst = {
  31
  32        { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
  33        { .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup },
  34        { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup },
  35        { /*sentinel*/ }
  36};
  37
  38static void __init at91_dt_init_irq(void)
  39{
  40        of_irq_init(irq_of_match);
  41}
  42
  43static void __init at91_dt_device_init(void)
  44{
  45        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
  46}
  47
  48static const char *at91_dt_board_compat[] __initdata = {
  49        "atmel,at91sam9",
  50        NULL
  51};
  52
  53DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
  54        /* Maintainer: Atmel */
  55        .timer          = &at91sam926x_timer,
  56        .map_io         = at91_map_io,
  57        .handle_irq     = at91_aic_handle_irq,
  58        .init_early     = at91_dt_initialize,
  59        .init_irq       = at91_dt_init_irq,
  60        .init_machine   = at91_dt_device_init,
  61        .dt_compat      = at91_dt_board_compat,
  62MACHINE_END
  63