board-flexibity.c

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/*
 * linux/arch/arm/mach-at91/board-flexibity.c
 *
 *  Copyright (C) 2010-2011 Flexibity
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2006 Atmel
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/input.h>
#include <linux/gpio.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <mach/hardware.h>
#include <mach/board.h>
#include <mach/at91_aic.h>

#include "generic.h"

static void __init flexibity_init_early(void)
{
    /* Initialize processor: 18.432 MHz crystal */
    at91_initialize(18432000);
}

/* USB Host port */
static struct at91_usbh_data __initdata flexibity_usbh_data = {
    .ports      = 2,
    .vbus_pin   = {-EINVAL, -EINVAL},
    .overcurrent_pin= {-EINVAL, -EINVAL},
};

/* USB Device port */
static struct at91_udc_data __initdata flexibity_udc_data = {
    .vbus_pin   = AT91_PIN_PC5,
    .pullup_pin = -EINVAL,      /* pull-up driven by UDC */
};

/* I2C devices */
static struct i2c_board_info __initdata flexibity_i2c_devices[] = {
    {
        I2C_BOARD_INFO("ds1307", 0x68),
    },
};

/* SPI devices */
static struct spi_board_info flexibity_spi_devices[] = {
    {   /* DataFlash chip */
        .modalias   = "mtd_dataflash",
        .chip_select    = 1,
        .max_speed_hz   = 15 * 1000 * 1000,
        .bus_num    = 0,
    },
};

/* MCI (SD/MMC) */
static struct mci_platform_data __initdata flexibity_mci0_data = {
    .slot[0] = {
        .bus_width  = 4,
        .detect_pin = AT91_PIN_PC9,
        .wp_pin     = AT91_PIN_PC4,
    },
};

/* LEDs */
static struct gpio_led flexibity_leds[] = {
    {
        .name           = "usb1:green",
        .gpio           = AT91_PIN_PA12,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb1:red",
        .gpio           = AT91_PIN_PA13,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb2:green",
        .gpio           = AT91_PIN_PB26,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb2:red",
        .gpio           = AT91_PIN_PB27,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb3:green",
        .gpio           = AT91_PIN_PC8,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb3:red",
        .gpio           = AT91_PIN_PC6,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb4:green",
        .gpio           = AT91_PIN_PB4,
        .active_low     = 1,
        .default_trigger    = "default-on",
    },
    {
        .name           = "usb4:red",
        .gpio           = AT91_PIN_PB5,
        .active_low     = 1,
        .default_trigger    = "default-on",
    }
};

static void __init flexibity_board_init(void)
{
    /* Serial */
    /* DBGU on ttyS0. (Rx & Tx only) */
    at91_register_uart(0, 0, 0);
    at91_add_device_serial();
    /* USB Host */
    at91_add_device_usbh(&flexibity_usbh_data);
    /* USB Device */
    at91_add_device_udc(&flexibity_udc_data);
    /* I2C */
    at91_add_device_i2c(flexibity_i2c_devices,
        ARRAY_SIZE(flexibity_i2c_devices));
    /* SPI */
    at91_add_device_spi(flexibity_spi_devices,
        ARRAY_SIZE(flexibity_spi_devices));
    /* MMC */
    at91_add_device_mci(0, &flexibity_mci0_data);
    /* LEDs */
    at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
}

MACHINE_START(FLEXIBITY, "Flexibity Connect")
    /* Maintainer: Maxim Osipov */
    .timer      = &at91sam926x_timer,
    .map_io     = at91_map_io,
    .handle_irq = at91_aic_handle_irq,
    .init_early = flexibity_init_early,
    .init_irq   = at91_init_irq_default,
    .init_machine   = flexibity_board_init,
MACHINE_END