target/linux/ubicom32/files/arch/ubicom32/mach-ip5k/board-ip5160dev.c

   1 /*
   2  * arch/ubicom32/mach-ip5k/board-ip5160dev.c
   3  *   Platform initialization for ip5160dev board.
   4  *
   5  * (C) Copyright 2009, Ubicom, Inc.
   6  *
   7  * This file is part of the Ubicom32 Linux Kernel Port.
   8  *
   9  * The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10  * it and/or modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation, either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  * the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with the Ubicom32 Linux Kernel Port.  If not,
  21  * see <http://www.gnu.org/licenses/>.
  22  *
  23  * Ubicom32 implementation derived from (with many thanks):
  24  *   arch/m68knommu
  25  *   arch/blackfin
  26  *   arch/parisc
  27  */
  28 #include <linux/device.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/gpio.h>
  31
  32 #include <asm/board.h>
  33 #include <asm/machdep.h>
  34 #ifdef CONFIG_SERIAL_UBI32_SERDES
  35 #include <asm/ubicom32suart.h>
  36 #endif
  37
  38 /*
  39  * Factory Default Button on the board at PXn
  40  * TODO: This is just a placeholder and it needs to include proper header files
  41  */
  42 struct ubicom32fdb_platform_data {
  43         int             fdb_gpio;
  44         bool            fdb_polarity;
  45 };
  46
  47 static struct ubicom32fdb_platform_data ip5160dev_fdb_data = {
  48         .fdb_gpio               = 0,
  49         .fdb_polarity           = true,
  50 };
  51
  52 static struct platform_device ip5160dev_fdb_device = {
  53         .name   = "ubicom32fdb",
  54         .id     = -1,
  55         .dev    = {
  56                 .platform_data = &ip5160dev_fdb_data,
  57         },
  58 };
  59
  60 #ifdef CONFIG_SERIAL_UBI32_SERDES
  61 static struct resource ip5160dev_ubicom32_suart_resources[] = {
  62         {
  63                 .start  = RD,
  64                 .end    = RD,
  65                 .flags  = IORESOURCE_MEM,
  66         },
  67         {
  68                 .start  = PORT_OTHER_INT(RD),
  69                 .end    = PORT_OTHER_INT(RD),
  70                 .flags  = IORESOURCE_IRQ,
  71         },
  72         {
  73                 .start  = 240000000,
  74                 .end    = 240000000,
  75                 .flags  = UBICOM32_SUART_IORESOURCE_CLOCK,
  76         },
  77 };
  78
  79 static struct platform_device ip5160dev_ubicom32_suart_device = {
  80         .name           = "ubicom32suart",
  81         .id             = -1,
  82         .num_resources  = ARRAY_SIZE(ip5160dev_ubicom32_suart_resources),
  83         .resource       = ip5160dev_ubicom32_suart_resources,
  84 };
  85 #endif
  86
  87 /*
  88  * List of all devices in our system
  89  */
  90 static struct platform_device *ip5160dev_devices[] __initdata = {
  91 #ifdef CONFIG_SERIAL_UBI32_SERDES
  92         &ip5160dev_ubicom32_suart_device,
  93 #endif
  94         &ip5160dev_fdb_device,
  95 };
  96
  97 /*
  98  * ip5160dev_init
  99  *      Called to add the devices which we have on this board
 100  */
 101 static int __init ip5160dev_init(void)
 102 {
 103         ubi_gpio_init();
 104         printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
 105         platform_add_devices(ip5160dev_devices, ARRAY_SIZE(ip5160dev_devices));
 106         return 0;
 107 }
 108
 109 arch_initcall(ip5160dev_init);