| 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> |
| Boris BREZILLON | 2db5a93 | 2014-03-12 10:43:41 +0100 | [diff] [blame] | 16 | #include <linux/clk-provider.h> |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 17 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 18 | #include <asm/setup.h> |
| 19 | #include <asm/irq.h> |
| 20 | #include <asm/mach/arch.h> |
| 21 | #include <asm/mach/map.h> |
| 22 | #include <asm/mach/irq.h> |
| 23 | |
| Jean-Christophe PLAGNIOL-VILLARD | a510b9b | 2012-10-30 06:41:28 +0800 | [diff] [blame] | 24 | #include "at91_aic.h" |
| Jean-Christophe PLAGNIOL-VILLARD | 43d2f53 | 2012-10-30 05:14:17 +0800 | [diff] [blame] | 25 | #include "board.h" |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 26 | #include "generic.h" |
| 27 | |
| 28 | |
| Boris BREZILLON | 2db5a93 | 2014-03-12 10:43:41 +0100 | [diff] [blame] | 29 | static void __init sam9_dt_timer_init(void) |
| 30 | { |
| 31 | #if defined(CONFIG_COMMON_CLK) |
| 32 | of_clk_init(NULL); |
| 33 | #endif |
| 34 | at91sam926x_pit_init(); |
| 35 | } |
| 36 | |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 37 | static const struct of_device_id irq_of_match[] __initconst = { |
| 38 | |
| 39 | { .compatible = "atmel,at91rm9200-aic", .data = at91_aic_of_init }, |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 40 | { /*sentinel*/ } |
| 41 | }; |
| 42 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 43 | static void __init at91_dt_init_irq(void) |
| 44 | { |
| Nicolas Ferre | 8014d6f | 2012-02-14 18:08:14 +0100 | [diff] [blame] | 45 | of_irq_init(irq_of_match); |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 46 | } |
| 47 | |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 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 */ |
| Boris BREZILLON | 2db5a93 | 2014-03-12 10:43:41 +0100 | [diff] [blame] | 55 | .init_time = sam9_dt_timer_init, |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 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, |
| Nicolas Ferre | 49fe2ba | 2011-10-10 18:29:24 +0200 | [diff] [blame] | 60 | .dt_compat = at91_dt_board_compat, |
| 61 | MACHINE_END |