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

   1 /*
   2  *  linux/arch/arm/mach-mmp/mmp-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/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,
  75 MACHINE_END
  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,
  83 MACHINE_END