xref: /openbmc/linux/arch/arm/mach-pxa/pxa-dt.c (revision 2223cbec)
1 /*
2  *  linux/arch/arm/mach-pxa/pxa-dt.c
3  *
4  *  Copyright (C) 2012 Daniel Mack
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License version 2 as
8  *  publishhed by the Free Software Foundation.
9  */
10 
11 #include <linux/irq.h>
12 #include <linux/irqdomain.h>
13 #include <linux/of_irq.h>
14 #include <linux/of_platform.h>
15 #include <asm/mach/arch.h>
16 #include <asm/mach/time.h>
17 #include <mach/irqs.h>
18 #include <mach/pxa3xx.h>
19 
20 #include "generic.h"
21 
22 #ifdef CONFIG_PXA3xx
23 extern void __init pxa3xx_dt_init_irq(void);
24 
25 static const struct of_dev_auxdata pxa3xx_auxdata_lookup[] __initconst = {
26 	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40100000, "pxa2xx-uart.0", NULL),
27 	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40200000, "pxa2xx-uart.1", NULL),
28 	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x40700000, "pxa2xx-uart.2", NULL),
29 	OF_DEV_AUXDATA("mrvl,pxa-uart",		0x41600000, "pxa2xx-uart.3", NULL),
30 	OF_DEV_AUXDATA("marvell,pxa-mmc",	0x41100000, "pxa2xx-mci.0", NULL),
31 	OF_DEV_AUXDATA("mrvl,pxa-gpio",		0x40e00000, "pxa-gpio", NULL),
32 	OF_DEV_AUXDATA("marvell,pxa-ohci",	0x4c000000, "pxa27x-ohci", NULL),
33 	OF_DEV_AUXDATA("mrvl,pxa-i2c",		0x40301680, "pxa2xx-i2c.0", NULL),
34 	OF_DEV_AUXDATA("mrvl,pwri2c",		0x40f500c0, "pxa3xx-i2c.1", NULL),
35 	OF_DEV_AUXDATA("marvell,pxa3xx-nand",	0x43100000, "pxa3xx-nand", NULL),
36 	{}
37 };
38 
39 static void __init pxa3xx_dt_init(void)
40 {
41 	of_platform_populate(NULL, of_default_bus_match_table,
42 			     pxa3xx_auxdata_lookup, NULL);
43 }
44 
45 static const char *pxa3xx_dt_board_compat[] __initdata = {
46 	"marvell,pxa300",
47 	"marvell,pxa310",
48 	"marvell,pxa320",
49 	NULL,
50 };
51 #endif
52 
53 #ifdef CONFIG_PXA3xx
54 DT_MACHINE_START(PXA_DT, "Marvell PXA3xx (Device Tree Support)")
55 	.map_io		= pxa3xx_map_io,
56 	.init_irq	= pxa3xx_dt_init_irq,
57 	.handle_irq	= pxa3xx_handle_irq,
58 	.timer		= &pxa_timer,
59 	.restart	= pxa_restart,
60 	.init_machine	= pxa3xx_dt_init,
61 	.dt_compat	= pxa3xx_dt_board_compat,
62 MACHINE_END
63 #endif
64