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         /* 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         .vbus_pin       = {-EINVAL, -EINVAL},
  56         .overcurrent_pin= {-EINVAL, -EINVAL},
  57 };
  58
  59 /* USB Device port */
  60 static struct at91_udc_data __initdata flexibity_udc_data = {
  61         .vbus_pin       = AT91_PIN_PC5,
  62         .pullup_pin     = -EINVAL,              /* pull-up driven by UDC */
  63 };
  64
  65 /* I2C devices */
  66 static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
  67         {
  68                 I2C_BOARD_INFO("ds1307", 0x68),
  69         },
  70 };
  71
  72 /* SPI devices */
  73 static struct spi_board_info flexibity_spi_devices[] = {
  74         {       /* DataFlash chip */
  75                 .modalias       = "mtd_dataflash",
  76                 .chip_select    = 1,
  77                 .max_speed_hz   = 15 * 1000 * 1000,
  78                 .bus_num        = 0,
  79         },
  80 };
  81
  82 /* MCI (SD/MMC) */
  83 static struct at91_mmc_data __initdata flexibity_mmc_data = {
  84         .slot_b         = 0,
  85         .wire4          = 1,
  86         .det_pin        = AT91_PIN_PC9,
  87         .wp_pin         = AT91_PIN_PC4,
  88         .vcc_pin        = -EINVAL,
  89 };
  90
  91 /* LEDs */
  92 static struct gpio_led flexibity_leds[] = {
  93         {
  94                 .name                   = "usb1:green",
  95                 .gpio                   = AT91_PIN_PA12,
  96                 .active_low             = 1,
  97                 .default_trigger        = "default-on",
  98         },
  99         {
 100                 .name                   = "usb1:red",
 101                 .gpio                   = AT91_PIN_PA13,
 102                 .active_low             = 1,
 103                 .default_trigger        = "default-on",
 104         },
 105         {
 106                 .name                   = "usb2:green",
 107                 .gpio                   = AT91_PIN_PB26,
 108                 .active_low             = 1,
 109                 .default_trigger        = "default-on",
 110         },
 111         {
 112                 .name                   = "usb2:red",
 113                 .gpio                   = AT91_PIN_PB27,
 114                 .active_low             = 1,
 115                 .default_trigger        = "default-on",
 116         },
 117         {
 118                 .name                   = "usb3:green",
 119                 .gpio                   = AT91_PIN_PC8,
 120                 .active_low             = 1,
 121                 .default_trigger        = "default-on",
 122         },
 123         {
 124                 .name                   = "usb3:red",
 125                 .gpio                   = AT91_PIN_PC6,
 126                 .active_low             = 1,
 127                 .default_trigger        = "default-on",
 128         },
 129         {
 130                 .name                   = "usb4:green",
 131                 .gpio                   = AT91_PIN_PB4,
 132                 .active_low             = 1,
 133                 .default_trigger        = "default-on",
 134         },
 135         {
 136                 .name                   = "usb4:red",
 137                 .gpio                   = AT91_PIN_PB5,
 138                 .active_low             = 1,
 139                 .default_trigger        = "default-on",
 140         }
 141 };
 142
 143 static void __init flexibity_board_init(void)
 144 {
 145         /* Serial */
 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_mmc(0, &flexibity_mmc_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         .timer          = &at91sam926x_timer,
 166         .map_io         = at91_map_io,
 167         .init_early     = flexibity_init_early,
 168         .init_irq       = at91_init_irq_default,
 169         .init_machine   = flexibity_board_init,
 170 MACHINE_END