xref: /openbmc/linux/arch/arm/mach-mmp/mmp2-dt.c (revision 2cab0292)
1 /*
2  *  linux/arch/arm/mach-mmp/mmp2-dt.c
3  *
4  *  Copyright (C) 2012 Marvell Technology Group Ltd.
5  *  Author: Haojian Zhuang <haojian.zhuang@marvell.com>
6  *
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.
10  */
11 
12 #include <linux/io.h>
13 #include <linux/irq.h>
14 #include <linux/irqdomain.h>
15 #include <linux/of_irq.h>
16 #include <linux/of_platform.h>
17 #include <asm/mach/arch.h>
18 #include <asm/mach/time.h>
19 #include <mach/irqs.h>
20 #include <mach/regs-apbc.h>
21 
22 #include "common.h"
23 
24 extern void __init mmp_dt_irq_init(void);
25 extern void __init mmp_dt_init_timer(void);
26 
27 static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
28 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
29 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
30 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
31 	OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL),
32 	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
33 	OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
34 	OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "mmp2-gpio", NULL),
35 	OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
36 	{}
37 };
38 
39 static void __init mmp2_dt_init(void)
40 {
41 	of_platform_populate(NULL, of_default_bus_match_table,
42 			     mmp2_auxdata_lookup, NULL);
43 }
44 
45 static const char *mmp2_dt_board_compat[] __initdata = {
46 	"mrvl,mmp2-brownstone",
47 	NULL,
48 };
49 
50 DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
51 	.map_io		= mmp_map_io,
52 	.init_irq	= mmp_dt_irq_init,
53 	.init_time	= mmp_dt_init_timer,
54 	.init_machine	= mmp2_dt_init,
55 	.dt_compat	= mmp2_dt_board_compat,
56 MACHINE_END
57