Linux Kernel  3.7.1
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mmp-dt.c
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1 /*
2  * linux/arch/arm/mach-mmp/mmp-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/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 <asm/mach/time.h>
18 #include <mach/irqs.h>
19 
20 #include "common.h"
21 
22 extern void __init mmp_dt_irq_init(void);
23 extern void __init mmp_dt_init_timer(void);
24 
25 static struct sys_timer mmp_dt_timer = {
26  .init = mmp_dt_init_timer,
27 };
28 
29 static const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
30  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
31  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
32  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
33  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
34  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
35  OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
36  OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
37  {}
38 };
39 
40 static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = {
41  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
42  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
43  OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL),
44  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
45  OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL),
46  OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
47  OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
48  {}
49 };
50 
51 static void __init pxa168_dt_init(void)
52 {
53  of_platform_populate(NULL, of_default_bus_match_table,
54  pxa168_auxdata_lookup, NULL);
55 }
56 
57 static void __init pxa910_dt_init(void)
58 {
59  of_platform_populate(NULL, of_default_bus_match_table,
60  pxa910_auxdata_lookup, NULL);
61 }
62 
63 static const char *mmp_dt_board_compat[] __initdata = {
64  "mrvl,pxa168-aspenite",
65  "mrvl,pxa910-dkb",
66  NULL,
67 };
68 
69 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
70  .map_io = mmp_map_io,
71  .init_irq = mmp_dt_irq_init,
72  .timer = &mmp_dt_timer,
73  .init_machine = pxa168_dt_init,
74  .dt_compat = mmp_dt_board_compat,
76 
77 DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
78  .map_io = mmp_map_io,
79  .init_irq = mmp_dt_irq_init,
80  .timer = &mmp_dt_timer,
81  .init_machine = pxa910_dt_init,
82  .dt_compat = mmp_dt_board_compat,