yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* |
| 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 | |
| 33 | static 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 | |
| 41 | static void __init at91_dt_init_irq(void) |
| 42 | { |
| 43 | of_irq_init(irq_of_match); |
| 44 | } |
| 45 | |
| 46 | static void __init at91_dt_device_init(void) |
| 47 | { |
| 48 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
| 49 | } |
| 50 | |
| 51 | static const char *at91_dt_board_compat[] __initdata = { |
| 52 | "atmel,at91sam9m10g45ek", |
| 53 | "atmel,at91sam9x5ek", |
| 54 | "calao,usb-a9g20", |
| 55 | NULL |
| 56 | }; |
| 57 | |
| 58 | DT_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, |
| 66 | MACHINE_END |