Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>

 */

#include <linux/platform_device.h>

#include <linux/module.h>

#include <linux/leds.h>

#include <linux/ssb/ssb.h>

#include <asm/mach-bcm47xx/bcm47xx.h>

/* GPIO definitions for the WGT634U */

#define WGT634U_GPIO_LED        3

#define WGT634U_GPIO_RESET      2

#define WGT634U_GPIO_TP1        7

#define WGT634U_GPIO_TP2        6

#define WGT634U_GPIO_TP3        5

#define WGT634U_GPIO_TP4        4

#define WGT634U_GPIO_TP5        1

static struct gpio_led wgt634u_leds[] = {

        {

                .name = "power",

                .gpio = WGT634U_GPIO_LED,

                .active_low = 1,

                .default_trigger = "heartbeat",

        },

};

static struct gpio_led_platform_data wgt634u_led_data = {

        .num_leds =     ARRAY_SIZE(wgt634u_leds),

        .leds =         wgt634u_leds,

};

static struct platform_device wgt634u_gpio_leds = {

        .name =         "leds-gpio",

        .id =           -1,

        .dev = {

                .platform_data = &wgt634u_led_data,

        }

};

static int __init wgt634u_init(void)

{

        /* There is no easy way to detect that we are running on a WGT634U

         * machine. Use the MAC address as an heuristic. Netgear Inc. has

         * been allocated ranges 00:09:5b:xx:xx:xx and 00:0f:b5:xx:xx:xx.

         */

        u8 *et0mac = ssb_bcm47xx.sprom.r1.et0mac;

        if (et0mac[0] == 0x00 &&

            ((et0mac[1] == 0x09 && et0mac[2] == 0x5b) ||

             (et0mac[1] == 0x0f && et0mac[2] == 0xb5)))

                return platform_device_register(&wgt634u_gpio_leds);

        else

                return -ENODEV;

}

module_init(wgt634u_init);