2 * linux/arch/arm/mach-mmp/mmp-dt.c
4 * Copyright (C) 2012 Marvell Technology Group Ltd.
5 * Author: Haojian Zhuang <haojian.zhuang@marvell.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * publishhed by the Free Software Foundation.
12 #include <linux/irq.h>
13 #include <linux/irqdomain.h>
14 #include <linux/of_irq.h>
15 #include <linux/of_platform.h>
16 #include <asm/mach/arch.h>
17 #include <mach/irqs.h>
21 extern struct sys_timer pxa168_timer;
22 extern void __init icu_init_irq(void);
24 static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
25 OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
26 OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
27 OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
28 OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
29 OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
30 OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
31 OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
35 static int __init mmp_intc_add_irq_domain(struct device_node *np,
36 struct device_node *parent)
38 irq_domain_add_simple(np, 0);
42 static int __init mmp_gpio_add_irq_domain(struct device_node *np,
43 struct device_node *parent)
45 irq_domain_add_simple(np, IRQ_GPIO_START);
49 static const struct of_device_id mmp_irq_match[] __initconst = {
50 { .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
51 { .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
55 static void __init mmp_dt_init(void)
58 of_irq_init(mmp_irq_match);
60 of_platform_populate(NULL, of_default_bus_match_table,
61 mmp_auxdata_lookup, NULL);
64 static const char *pxa168_dt_board_compat[] __initdata = {
65 "mrvl,pxa168-aspenite",
69 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
71 .init_irq = icu_init_irq,
72 .timer = &pxa168_timer,
73 .init_machine = mmp_dt_init,
74 .dt_compat = pxa168_dt_board_compat,