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mmp2-dt.c
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1 /*
2  * linux/arch/arm/mach-mmp/mmp2-dt.c
3  *
4  * Copyright (C) 2012 Marvell Technology Group Ltd.
5  * Author: Haojian Zhuang <[email protected]>
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 struct sys_timer mmp_dt_timer = {
28  .init = mmp_dt_init_timer,
29 };
30 
31 static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
32  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
33  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
34  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
35  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL),
36  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
37  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
38  OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
39  OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
40  {}
41 };
42 
43 static void __init mmp2_dt_init(void)
44 {
45  of_platform_populate(NULL, of_default_bus_match_table,
46  mmp2_auxdata_lookup, NULL);
47 }
48 
49 static const char *mmp2_dt_board_compat[] __initdata = {
50  "mrvl,mmp2-brownstone",
51  NULL,
52 };
53 
54 DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
55  .map_io = mmp_map_io,
56  .init_irq = mmp_dt_irq_init,
57  .timer = &mmp_dt_timer,
58  .init_machine = mmp2_dt_init,
59  .dt_compat = mmp2_dt_board_compat,