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platform.c

/*
 * MTX-1 platform devices registration
 *
 * Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <mtd/mtd-abi.h>

static struct gpio_keys_button mtx1_gpio_button[] = {
      {
            .gpio = 207,
            .code = BTN_0,
            .desc = "System button",
      }
};

static struct gpio_keys_platform_data mtx1_buttons_data = {
      .buttons = mtx1_gpio_button,
      .nbuttons = ARRAY_SIZE(mtx1_gpio_button),
};

static struct platform_device mtx1_button = {
      .name = "gpio-keys",
      .id = -1,
      .dev = {
            .platform_data = &mtx1_buttons_data,
      }
};

static struct resource mtx1_wdt_res[] = {
      [0] = {
            .start      = 15,
            .end  = 15,
            .name = "mtx1-wdt-gpio",
            .flags      = IORESOURCE_IRQ,
      }
};

static struct platform_device mtx1_wdt = {
      .name = "mtx1-wdt",
      .id = 0,
      .num_resources = ARRAY_SIZE(mtx1_wdt_res),
      .resource = mtx1_wdt_res,
};

static struct gpio_led default_leds[] = {
      {
            .name = "mtx1:green",
            .gpio = 211,
      }, {
            .name = "mtx1:red",
            .gpio = 212,
      },
};

static struct gpio_led_platform_data mtx1_led_data = {
      .num_leds = ARRAY_SIZE(default_leds),
      .leds = default_leds,
};

static struct platform_device mtx1_gpio_leds = {
      .name = "leds-gpio",
      .id = -1,
      .dev = {
            .platform_data = &mtx1_led_data,
      }
};

static struct mtd_partition mtx1_mtd_partitions[] = {
      {
            .name = "filesystem",
            .size = 0x01C00000,
            .offset     = 0,
      },
      {
            .name = "yamon",
            .size = 0x00100000,
            .offset     = MTDPART_OFS_APPEND,
            .mask_flags = MTD_WRITEABLE,
      },
      {
            .name = "kernel",
            .size = 0x002c0000,
            .offset     = MTDPART_OFS_APPEND,
      },
      {
            .name = "yamon env",
            .size = 0x00040000,
            .offset     = MTDPART_OFS_APPEND,
      },
};

static struct physmap_flash_data mtx1_flash_data = {
      .width            = 4,
      .nr_parts   = 4,
      .parts            = mtx1_mtd_partitions,
};

static struct resource mtx1_mtd_resource = {
      .start      = 0x1e000000,
      .end  = 0x1fffffff,
      .flags      = IORESOURCE_MEM,
};

static struct platform_device mtx1_mtd = {
      .name       = "physmap-flash",
      .dev        = {
            .platform_data    = &mtx1_flash_data,
      },
      .num_resources    = 1,
      .resource   = &mtx1_mtd_resource,
};

static struct __initdata platform_device * mtx1_devs[] = {
      &mtx1_gpio_leds,
      &mtx1_wdt,
      &mtx1_button,
      &mtx1_mtd,
};

static int __init mtx1_register_devices(void)
{
      gpio_direction_input(207);
      return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
}

arch_initcall(mtx1_register_devices);

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