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 #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
  49 /* USB Host port */
  50 static struct at91_usbh_data __initdata flexibity_usbh_data = {
  51         .ports          = 2,
  52         .vbus_pin       = {-EINVAL, -EINVAL},
  53         .overcurrent_pin= {-EINVAL, -EINVAL},
  54 };
  55
  56 /* USB Device port */
  57 static struct at91_udc_data __initdata flexibity_udc_data = {
  58         .vbus_pin       = AT91_PIN_PC5,
  59         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  60 };
  61
  62 /* I2C devices */
  63 static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
  64         {
  65                 I2C_BOARD_INFO("ds1307", 0x68),
  66         },
  67 };
  68
  69 /* SPI devices */
  70 static struct spi_board_info flexibity_spi_devices[] = {
  71         {       /* DataFlash chip */
  72                 .modalias       = "mtd_dataflash",
  73                 .chip_select    = 1,
  74                 .max_speed_hz   = 15 * 1000 * 1000,
  75                 .bus_num        = 0,
  76         },
  77 };
  78
  79 /* MCI (SD/MMC) */
  80 static struct at91_mmc_data __initdata flexibity_mmc_data = {
  81         .slot_b         = 0,
  82         .wire4          = 1,
  83         .det_pin        = AT91_PIN_PC9,
  84         .wp_pin         = AT91_PIN_PC4,
  85         .vcc_pin        = -EINVAL,
  86 };
  87
  88 /* LEDs */
  89 static struct gpio_led flexibity_leds[] = {
  90         {
  91                 .name                   = "usb1:green",
  92                 .gpio                   = AT91_PIN_PA12,
  93                 .active_low             = 1,
  94                 .default_trigger        = "default-on",
  95         },
  96         {
  97                 .name                   = "usb1:red",
  98                 .gpio                   = AT91_PIN_PA13,
  99                 .active_low             = 1,
 100                 .default_trigger        = "default-on",
 101         },
 102         {
 103                 .name                   = "usb2:green",
 104                 .gpio                   = AT91_PIN_PB26,
 105                 .active_low             = 1,
 106                 .default_trigger        = "default-on",
 107         },
 108         {
 109                 .name                   = "usb2:red",
 110                 .gpio                   = AT91_PIN_PB27,
 111                 .active_low             = 1,
 112                 .default_trigger        = "default-on",
 113         },
 114         {
 115                 .name                   = "usb3:green",
 116                 .gpio                   = AT91_PIN_PC8,
 117                 .active_low             = 1,
 118                 .default_trigger        = "default-on",
 119         },
 120         {
 121                 .name                   = "usb3:red",
 122                 .gpio                   = AT91_PIN_PC6,
 123                 .active_low             = 1,
 124                 .default_trigger        = "default-on",
 125         },
 126         {
 127                 .name                   = "usb4:green",
 128                 .gpio                   = AT91_PIN_PB4,
 129                 .active_low             = 1,
 130                 .default_trigger        = "default-on",
 131         },
 132         {
 133                 .name                   = "usb4:red",
 134                 .gpio                   = AT91_PIN_PB5,
 135                 .active_low             = 1,
 136                 .default_trigger        = "default-on",
 137         }
 138 };
 139
 140 static void __init flexibity_board_init(void)
 141 {
 142         /* Serial */
 143         at91_add_device_serial();
 144         /* USB Host */
 145         at91_add_device_usbh(&flexibity_usbh_data);
 146         /* USB Device */
 147         at91_add_device_udc(&flexibity_udc_data);
 148         /* I2C */
 149         at91_add_device_i2c(flexibity_i2c_devices,
 150                 ARRAY_SIZE(flexibity_i2c_devices));
 151         /* SPI */
 152         at91_add_device_spi(flexibity_spi_devices,
 153                 ARRAY_SIZE(flexibity_spi_devices));
 154         /* MMC */
 155         at91_add_device_mmc(0, &flexibity_mmc_data);
 156         /* LEDs */
 157         at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
 158 }
 159
 160 MACHINE_START(FLEXIBITY, "Flexibity Connect")
 161         /* Maintainer: Maxim Osipov */
 162         .timer          = &at91sam926x_timer,
 163         .map_io         = at91_map_io,
 164         .init_early     = flexibity_init_early,
 165         .init_irq       = at91_init_irq_default,
 166         .init_machine   = flexibity_board_init,
 167 MACHINE_END