arch/arm/mach-imx/imx31-dt.c

   1 /*
   2  * Copyright 2012 Sascha Hauer, Pengutronix
   3  *
   4  * The code contained herein is licensed under the GNU General Public
   5  * License. You may obtain a copy of the GNU General Public License
   6  * Version 2 or later at the following locations:
   7  *
   8  * http://www.opensource.org/licenses/gpl-license.html
   9  * http://www.gnu.org/copyleft/gpl.html
  10  */
  11
  12 #include <linux/irq.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
  18 #include "common.h"
  19 #include "mx31.h"
  20
  21 static const struct of_dev_auxdata imx31_auxdata_lookup[] __initconst = {
  22         OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART1_BASE_ADDR,
  23                         "imx21-uart.0", NULL),
  24         OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART2_BASE_ADDR,
  25                         "imx21-uart.1", NULL),
  26         OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART3_BASE_ADDR,
  27                         "imx21-uart.2", NULL),
  28         OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART4_BASE_ADDR,
  29                         "imx21-uart.3", NULL),
  30         OF_DEV_AUXDATA("fsl,imx31-uart", MX31_UART5_BASE_ADDR,
  31                         "imx21-uart.4", NULL),
  32         { /* sentinel */ }
  33 };
  34
  35 static void __init imx31_dt_init(void)
  36 {
  37         of_platform_populate(NULL, of_default_bus_match_table,
  38                              imx31_auxdata_lookup, NULL);
  39 }
  40
  41 static const char *imx31_dt_board_compat[] __initdata = {
  42         "fsl,imx31",
  43         NULL
  44 };
  45
  46 DT_MACHINE_START(IMX31_DT, "Freescale i.MX31 (Device Tree Support)")
  47         .map_io         = mx31_map_io,
  48         .init_early     = imx31_init_early,
  49         .init_irq       = mx31_init_irq,
  50         .handle_irq     = imx31_handle_irq,
  51         .init_time      = mx31_clocks_init_dt,
  52         .init_machine   = imx31_dt_init,
  53         .dt_compat      = imx31_dt_board_compat,
  54         .restart        = mxc_restart,
  55 MACHINE_END