LXR linux/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
  40static 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
  52static void __init flexibity_init_irq(void)
  53{
  54        at91sam9260_init_interrupts(NULL);
  55}
  56
  57/* USB Host port */
  58static struct at91_usbh_data __initdata flexibity_usbh_data = {
  59        .ports          = 2,
  60};
  61
  62/* USB Device port */
  63static 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 */
  69static 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) */
  79static 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 */
  87static 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
 138static 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
 155MACHINE_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,
 162MACHINE_END
 163