arch/arm/mach-at91/board-flexibity.c

   1 /*
   2  * linux/arch/arm/mach-at91/board-flexibity.c
   3  *
   4  *  Copyright (C) 2010 Flexibity
   5  *  Copyright (C) 2005 SAN People
   6  *  Copyright (C) 2006 Atmel
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <linux/init.h>
  24 #include <linux/platform_device.h>
  25 #include <linux/spi/spi.h>
  26 #include <linux/input.h>
  27 #include <linux/gpio.h>
  28
  29 #include <asm/mach-types.h>
  30
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33 #include <asm/mach/irq.h>
  34
  35 #include <mach/hardware.h>
  36 #include <mach/board.h>
  37
  38 #include "generic.h"
  39
  40 static void __init flexibity_init_early(void)
  41 {
  42         /* Initialize processor: 18.432 MHz crystal */
  43         at91_initialize(18432000);
  44
  45         /* DBGU on ttyS0. (Rx & Tx only) */
  46         at91_register_uart(0, 0, 0);
  47
  48         /* set serial console to ttyS0 (ie, DBGU) */
  49         at91_set_serial_console(0);
  50 }
  51
  52 /* USB Host port */
  53 static struct at91_usbh_data __initdata flexibity_usbh_data = {
  54         .ports          = 2,
  55 };
  56
  57 /* USB Device port */
  58 static struct at91_udc_data __initdata flexibity_udc_data = {
  59         .vbus_pin       = AT91_PIN_PC5,
  60         .pullup_pin     = 0,            /* pull-up driven by UDC */
  61 };
  62
  63 /* SPI devices */
  64 static struct spi_board_info flexibity_spi_devices[] = {
  65         {       /* DataFlash chip */
  66                 .modalias       = "mtd_dataflash",
  67                 .chip_select    = 1,
  68                 .max_speed_hz   = 15 * 1000 * 1000,
  69                 .bus_num        = 0,
  70         },
  71 };
  72
  73 /* MCI (SD/MMC) */
  74 static struct at91_mmc_data __initdata flexibity_mmc_data = {
  75         .slot_b         = 0,
  76         .wire4          = 1,
  77         .det_pin        = AT91_PIN_PC9,
  78         .wp_pin         = AT91_PIN_PC4,
  79 };
  80
  81 /* LEDs */
  82 static struct gpio_led flexibity_leds[] = {
  83         {
  84                 .name                   = "usb1:green",
  85                 .gpio                   = AT91_PIN_PA12,
  86                 .active_low             = 1,
  87                 .default_trigger        = "default-on",
  88         },
  89         {
  90                 .name                   = "usb1:red",
  91                 .gpio                   = AT91_PIN_PA13,
  92                 .active_low             = 1,
  93                 .default_trigger        = "default-on",
  94         },
  95         {
  96                 .name                   = "usb2:green",
  97                 .gpio                   = AT91_PIN_PB26,
  98                 .active_low             = 1,
  99                 .default_trigger        = "default-on",
 100         },
 101         {
 102                 .name                   = "usb2:red",
 103                 .gpio                   = AT91_PIN_PB27,
 104                 .active_low             = 1,
 105                 .default_trigger        = "default-on",
 106         },
 107         {
 108                 .name                   = "usb3:green",
 109                 .gpio                   = AT91_PIN_PC8,
 110                 .active_low             = 1,
 111                 .default_trigger        = "default-on",
 112         },
 113         {
 114                 .name                   = "usb3:red",
 115                 .gpio                   = AT91_PIN_PC6,
 116                 .active_low             = 1,
 117                 .default_trigger        = "default-on",
 118         },
 119         {
 120                 .name                   = "usb4:green",
 121                 .gpio                   = AT91_PIN_PB4,
 122                 .active_low             = 1,
 123                 .default_trigger        = "default-on",
 124         },
 125         {
 126                 .name                   = "usb4:red",
 127                 .gpio                   = AT91_PIN_PB5,
 128                 .active_low             = 1,
 129                 .default_trigger        = "default-on",
 130         }
 131 };
 132
 133 static void __init flexibity_board_init(void)
 134 {
 135         /* Serial */
 136         at91_add_device_serial();
 137         /* USB Host */
 138         at91_add_device_usbh(&flexibity_usbh_data);
 139         /* USB Device */
 140         at91_add_device_udc(&flexibity_udc_data);
 141         /* SPI */
 142         at91_add_device_spi(flexibity_spi_devices,
 143                 ARRAY_SIZE(flexibity_spi_devices));
 144         /* MMC */
 145         at91_add_device_mmc(0, &flexibity_mmc_data);
 146         /* LEDs */
 147         at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
 148 }
 149
 150 MACHINE_START(FLEXIBITY, "Flexibity Connect")
 151         /* Maintainer: Maxim Osipov */
 152         .timer          = &at91sam926x_timer,
 153         .map_io         = at91_map_io,
 154         .init_early     = flexibity_init_early,
 155         .init_irq       = at91_init_irq_default,
 156         .init_machine   = flexibity_board_init,
 157 MACHINE_END