board-dt.c

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/*
 *  Setup code for AT91SAM Evaluation Kits with Device Tree support
 *
 *  Copyright (C) 2011 Atmel,
 *                2011 Nicolas Ferre <[email protected]>
 *
 * Licensed under GPLv2 or later.
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>

#include <mach/board.h>
#include <mach/at91_aic.h>

#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include "generic.h"


static const struct of_device_id irq_of_match[] __initconst = {

    { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
    { .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup },
    { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup },
    { /*sentinel*/ }
};

static void __init at91_dt_init_irq(void)
{
    of_irq_init(irq_of_match);
}

static void __init at91_dt_device_init(void)
{
    of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}

static const char *at91_dt_board_compat[] __initdata = {
    "atmel,at91sam9",
    NULL
};

DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
    /* Maintainer: Atmel */
    .timer      = &at91sam926x_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = at91_dt_initialize,
    .init_irq   = at91_dt_init_irq,
    .init_machine   = at91_dt_device_init,
    .dt_compat  = at91_dt_board_compat,
MACHINE_END