blob: c18d4d3078012d584ec75aa927bcbebe8a1b4a23 [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -07001/*
2 * Setup code for AT91SAM Evaluation Kits with Device Tree support
3 *
4 * Covers: * AT91SAM9G45-EKES board
5 * * AT91SAM9M10-EKES board
6 * * AT91SAM9M10G45-EK board
7 *
8 * Copyright (C) 2011 Atmel,
9 * 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
10 *
11 * Licensed under GPLv2 or later.
12 */
13
14#include <linux/types.h>
15#include <linux/init.h>
16#include <linux/module.h>
17#include <linux/gpio.h>
18#include <linux/of.h>
19#include <linux/of_irq.h>
20#include <linux/of_platform.h>
21
22#include <mach/board.h>
23
24#include <asm/setup.h>
25#include <asm/irq.h>
26#include <asm/mach/arch.h>
27#include <asm/mach/map.h>
28#include <asm/mach/irq.h>
29
30#include "generic.h"
31
32
33static const struct of_device_id irq_of_match[] __initconst = {
34
35 { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init },
36 { .compatible = "atmel,at91rm9200-gpio", .data = at91_gpio_of_irq_setup },
37 { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup },
38 { /*sentinel*/ }
39};
40
41static void __init at91_dt_init_irq(void)
42{
43 of_irq_init(irq_of_match);
44}
45
46static void __init at91_dt_device_init(void)
47{
48 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
49}
50
51static const char *at91_dt_board_compat[] __initdata = {
52 "atmel,at91sam9m10g45ek",
53 "atmel,at91sam9x5ek",
54 "calao,usb-a9g20",
55 NULL
56};
57
58DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
59 /* Maintainer: Atmel */
60 .timer = &at91sam926x_timer,
61 .map_io = at91_map_io,
62 .init_early = at91_dt_initialize,
63 .init_irq = at91_dt_init_irq,
64 .init_machine = at91_dt_device_init,
65 .dt_compat = at91_dt_board_compat,
66MACHINE_END