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

   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         .init_time      = pxa_timer_init,
  59         .restart        = pxa_restart,
  60         .init_machine   = pxa3xx_dt_init,
  61         .dt_compat      = pxa3xx_dt_board_compat,
  62 MACHINE_END
  63 #endif