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_map_io(void)
  41 {
  42         /* Initialize processor: 18.432 MHz crystal */
  43         at91sam9260_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 static void __init flexibity_init_irq(void)
  53 {
  54         at91sam9260_init_interrupts(NULL);
  55 }
  56
  57 /* USB Host port */
  58 static struct at91_usbh_data __initdata flexibity_usbh_data = {
  59         .ports          = 2,
  60 };
  61
  62 /* USB Device port */
  63 static struct at91_udc_data __initdata flexibity_udc_data = {
  64         .vbus_pin       = AT91_PIN_PC5,
  65         .pullup_pin     = 0,            /* pull-up driven by UDC */
  66 };
  67
  68 /* SPI devices */
  69 static struct spi_board_info flexibity_spi_devices[] = {
  70         {       /* DataFlash chip */
  71                 .modalias       = "mtd_dataflash",
  72                 .chip_select    = 1,
  73                 .max_speed_hz   = 15 * 1000 * 1000,
  74                 .bus_num        = 0,
  75         },
  76 };
  77
  78 /* MCI (SD/MMC) */
  79 static struct at91_mmc_data __initdata flexibity_mmc_data = {
  80         .slot_b         = 0,
  81         .wire4          = 1,
  82         .det_pin        = AT91_PIN_PC9,
  83         .wp_pin         = AT91_PIN_PC4,
  84 };
  85
  86 /* LEDs */
  87 static struct gpio_led flexibity_leds[] = {
  88         {
  89                 .name                   = "usb1:green",
  90                 .gpio                   = AT91_PIN_PA12,
  91                 .active_low             = 1,
  92                 .default_trigger        = "default-on",
  93         },
  94         {
  95                 .name                   = "usb1:red",
  96                 .gpio                   = AT91_PIN_PA13,
  97                 .active_low             = 1,
  98                 .default_trigger        = "default-on",
  99         },
 100         {
 101                 .name                   = "usb2:green",
 102                 .gpio                   = AT91_PIN_PB26,
 103                 .active_low             = 1,
 104                 .default_trigger        = "default-on",
 105         },
 106         {
 107                 .name                   = "usb2:red",
 108                 .gpio                   = AT91_PIN_PB27,
 109                 .active_low             = 1,
 110                 .default_trigger        = "default-on",
 111         },
 112         {
 113                 .name                   = "usb3:green",
 114                 .gpio                   = AT91_PIN_PC8,
 115                 .active_low             = 1,
 116                 .default_trigger        = "default-on",
 117         },
 118         {
 119                 .name                   = "usb3:red",
 120                 .gpio                   = AT91_PIN_PC6,
 121                 .active_low             = 1,
 122                 .default_trigger        = "default-on",
 123         },
 124         {
 125                 .name                   = "usb4:green",
 126                 .gpio                   = AT91_PIN_PB4,
 127                 .active_low             = 1,
 128                 .default_trigger        = "default-on",
 129         },
 130         {
 131                 .name                   = "usb4:red",
 132                 .gpio                   = AT91_PIN_PB5,
 133                 .active_low             = 1,
 134                 .default_trigger        = "default-on",
 135         }
 136 };
 137
 138 static void __init flexibity_board_init(void)
 139 {
 140         /* Serial */
 141         at91_add_device_serial();
 142         /* USB Host */
 143         at91_add_device_usbh(&flexibity_usbh_data);
 144         /* USB Device */
 145         at91_add_device_udc(&flexibity_udc_data);
 146         /* SPI */
 147         at91_add_device_spi(flexibity_spi_devices,
 148                 ARRAY_SIZE(flexibity_spi_devices));
 149         /* MMC */
 150         at91_add_device_mmc(0, &flexibity_mmc_data);
 151         /* LEDs */
 152         at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
 153 }
 154
 155 MACHINE_START(FLEXIBITY, "Flexibity Connect")
 156         /* Maintainer: Maxim Osipov */
 157         .boot_params    = AT91_SDRAM_BASE + 0x100,
 158         .timer          = &at91sam926x_timer,
 159         .map_io         = flexibity_map_io,
 160         .init_irq       = flexibity_init_irq,
 161         .init_machine   = flexibity_board_init,
 162 MACHINE_END