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 const struct of_dev_auxdata pxa168_auxdata_lookup[] __initconst = {
  26         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
  27         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
  28         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
  29         OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
  30         OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
  31         OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL),
  32         OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
  33         {}
  34 };
  35
  36 static const struct of_dev_auxdata pxa910_auxdata_lookup[] __initconst = {
  37         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
  38         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
  39         OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4036000, "pxa2xx-uart.2", NULL),
  40         OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
  41         OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4037000, "pxa2xx-i2c.1", NULL),
  42         OF_DEV_AUXDATA("marvell,mmp-gpio", 0xd4019000, "mmp-gpio", NULL),
  43         OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
  44         {}
  45 };
  46
  47 static void __init pxa168_dt_init(void)
  48 {
  49         of_platform_populate(NULL, of_default_bus_match_table,
  50                              pxa168_auxdata_lookup, NULL);
  51 }
  52
  53 static void __init pxa910_dt_init(void)
  54 {
  55         of_platform_populate(NULL, of_default_bus_match_table,
  56                              pxa910_auxdata_lookup, NULL);
  57 }
  58
  59 static const char *mmp_dt_board_compat[] __initdata = {
  60         "mrvl,pxa168-aspenite",
  61         "mrvl,pxa910-dkb",
  62         NULL,
  63 };
  64
  65 DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
  66         .map_io         = mmp_map_io,
  67         .init_irq       = mmp_dt_irq_init,
  68         .init_time      = mmp_dt_init_timer,
  69         .init_machine   = pxa168_dt_init,
  70         .dt_compat      = mmp_dt_board_compat,
  71 MACHINE_END
  72
  73 DT_MACHINE_START(PXA910_DT, "Marvell PXA910 (Device Tree Support)")
  74         .map_io         = mmp_map_io,
  75         .init_irq       = mmp_dt_irq_init,
  76         .init_time      = mmp_dt_init_timer,
  77         .init_machine   = pxa910_dt_init,
  78         .dt_compat      = mmp_dt_board_compat,
  79 MACHINE_END