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

   1 /*
   2  * linux/arch/arm/mach-at91/board-flexibity.c
   3  *
   4  *  Copyright (C) 2010-2011 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
  37 #include "at91_aic.h"
  38 #include "board.h"
  39 #include "generic.h"
  40 #include "gpio.h"
  41
  42 static void __init flexibity_init_early(void)
  43 {
  44         /* Initialize processor: 18.432 MHz crystal */
  45         at91_initialize(18432000);
  46 }
  47
  48 /* USB Host port */
  49 static struct at91_usbh_data __initdata flexibity_usbh_data = {
  50         .ports          = 2,
  51         .vbus_pin       = {-EINVAL, -EINVAL},
  52         .overcurrent_pin= {-EINVAL, -EINVAL},
  53 };
  54
  55 /* USB Device port */
  56 static struct at91_udc_data __initdata flexibity_udc_data = {
  57         .vbus_pin       = AT91_PIN_PC5,
  58         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  59 };
  60
  61 /* I2C devices */
  62 static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
  63         {
  64                 I2C_BOARD_INFO("ds1307", 0x68),
  65         },
  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 mci_platform_data __initdata flexibity_mci0_data = {
  80         .slot[0] = {
  81                 .bus_width      = 4,
  82                 .detect_pin     = AT91_PIN_PC9,
  83                 .wp_pin         = AT91_PIN_PC4,
  84         },
  85 };
  86
  87 /* LEDs */
  88 static struct gpio_led flexibity_leds[] = {
  89         {
  90                 .name                   = "usb1:green",
  91                 .gpio                   = AT91_PIN_PA12,
  92                 .active_low             = 1,
  93                 .default_trigger        = "default-on",
  94         },
  95         {
  96                 .name                   = "usb1:red",
  97                 .gpio                   = AT91_PIN_PA13,
  98                 .active_low             = 1,
  99                 .default_trigger        = "default-on",
 100         },
 101         {
 102                 .name                   = "usb2:green",
 103                 .gpio                   = AT91_PIN_PB26,
 104                 .active_low             = 1,
 105                 .default_trigger        = "default-on",
 106         },
 107         {
 108                 .name                   = "usb2:red",
 109                 .gpio                   = AT91_PIN_PB27,
 110                 .active_low             = 1,
 111                 .default_trigger        = "default-on",
 112         },
 113         {
 114                 .name                   = "usb3:green",
 115                 .gpio                   = AT91_PIN_PC8,
 116                 .active_low             = 1,
 117                 .default_trigger        = "default-on",
 118         },
 119         {
 120                 .name                   = "usb3:red",
 121                 .gpio                   = AT91_PIN_PC6,
 122                 .active_low             = 1,
 123                 .default_trigger        = "default-on",
 124         },
 125         {
 126                 .name                   = "usb4:green",
 127                 .gpio                   = AT91_PIN_PB4,
 128                 .active_low             = 1,
 129                 .default_trigger        = "default-on",
 130         },
 131         {
 132                 .name                   = "usb4:red",
 133                 .gpio                   = AT91_PIN_PB5,
 134                 .active_low             = 1,
 135                 .default_trigger        = "default-on",
 136         }
 137 };
 138
 139 static void __init flexibity_board_init(void)
 140 {
 141         at91_register_devices();
 142
 143         /* Serial */
 144         /* DBGU on ttyS0. (Rx & Tx only) */
 145         at91_register_uart(0, 0, 0);
 146         at91_add_device_serial();
 147         /* USB Host */
 148         at91_add_device_usbh(&flexibity_usbh_data);
 149         /* USB Device */
 150         at91_add_device_udc(&flexibity_udc_data);
 151         /* I2C */
 152         at91_add_device_i2c(flexibity_i2c_devices,
 153                 ARRAY_SIZE(flexibity_i2c_devices));
 154         /* SPI */
 155         at91_add_device_spi(flexibity_spi_devices,
 156                 ARRAY_SIZE(flexibity_spi_devices));
 157         /* MMC */
 158         at91_add_device_mci(0, &flexibity_mci0_data);
 159         /* LEDs */
 160         at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
 161 }
 162
 163 MACHINE_START(FLEXIBITY, "Flexibity Connect")
 164         /* Maintainer: Maxim Osipov */
 165         .init_time      = at91_init_time,
 166         .map_io         = at91_map_io,
 167         .handle_irq     = at91_aic_handle_irq,
 168         .init_early     = flexibity_init_early,
 169         .init_irq       = at91_init_irq_default,
 170         .init_machine   = flexibity_board_init,
 171 MACHINE_END