| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Setup code for AT91SAM Evaluation Kits with Device Tree support |
| 3 | * |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 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> |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 14 | #include <linux/of.h> |
| 15 | #include <linux/of_irq.h> |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 16 | #include <linux/of_platform.h> |
| 17 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 18 | #include <mach/board.h> |
| Ludovic Desroches | 3e13546 | 2012-06-11 15:38:03 +0200 | [diff] [blame^] | 19 | #include <mach/at91_aic.h> |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 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 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 27 | #include "generic.h" |
| 28 | |
| 29 | |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 30 | static 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 }, |
| Nicolas Ferre | 582d5fb | 2010-07-20 19:18:51 +0200 | [diff] [blame] | 34 | { .compatible = "atmel,at91sam9x5-gpio", .data = at91_gpio_of_irq_setup }, |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 35 | { /*sentinel*/ } |
| 36 | }; |
| 37 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 38 | static void __init at91_dt_init_irq(void) |
| 39 | { |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 40 | of_irq_init(irq_of_match); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | static void __init at91_dt_device_init(void) |
| 44 | { |
| 45 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | static const char *at91_dt_board_compat[] __initdata = { |
| Jean-Christophe PLAGNIOL-VILLARD | 7c8a98c | 2012-03-01 14:47:44 +0800 | [diff] [blame] | 49 | "atmel,at91sam9", |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 50 | NULL |
| 51 | }; |
| 52 | |
| 53 | DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)") |
| 54 | /* Maintainer: Atmel */ |
| 55 | .timer = &at91sam926x_timer, |
| 56 | .map_io = at91_map_io, |
| Ludovic Desroches | 3e13546 | 2012-06-11 15:38:03 +0200 | [diff] [blame^] | 57 | .handle_irq = at91_aic_handle_irq, |
| Jean-Christophe PLAGNIOL-VILLARD | 2b11ea5 | 2012-02-28 13:57:51 +0800 | [diff] [blame] | 58 | .init_early = at91_dt_initialize, |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 59 | .init_irq = at91_dt_init_irq, |
| 60 | .init_machine = at91_dt_device_init, |
| 61 | .dt_compat = at91_dt_board_compat, |
| 62 | MACHINE_END |