arch/arm/mach-mmp/mmp2-dt.c

   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 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,
  60 MACHINE_END