static struct gpio_led ek_leds[] = {
{ .name = "DS8", .active_low = 1, },
{ .name = "DS7", .active_low = 1, },
{ .name = "DS6", .active_low = 1, },
{ .name = "DS5", .active_low = 1, },
{ .name = "DS4", .active_low = 1, },
{ .name = "DS3", .active_low = 1, },
{ .name = "DS2", .active_low = 1, },
{ .name = "DS1", .active_low = 1, },
};

static const struct gpio_led_platform_data ek_led_data = {
.num_leds = ARRAY_SIZE(ek_leds),
.leds = ek_leds,
};

static struct platform_device *ek_led_dev;

static int ek_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
struct gpio_led *leds = ek_leds;
int status;

while (ngpio--) {
leds->gpio = gpio++;
leds++;
}

/* what an extremely annoying way to be forced to handle
* device unregistration ...
*/
ek_led_dev = platform_device_alloc("leds-gpio", 0);
platform_device_add_data(ek_led_dev,
&ek_led_data, sizeof ek_led_data);

ek_led_dev->dev.parent = &client->dev;
status = platform_device_add(ek_led_dev);
if (status < 0) {
platform_device_put(ek_led_dev);
ek_led_dev = NULL;
}
return status;
}

static int ek_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
if (ek_led_dev) {
platform_device_unregister(ek_led_dev);
ek_led_dev = NULL;
}
return 0;
}

static struct pcf857x_platform_data pcf857x_data[] = {
{
.gpio_base = 4 * 32,
}
};

static struct i2c_board_info __initdata ek_i2c_devices[] = {

{

I2C_BOARD_INFO("pcf8574",0x20),

.platform_data = &pcf857x_data[0],

}

/* more devices can be added using expansion connectors */

};

static void __init ek_board_init(void)
{
//stuff
/* I2C */
at91_add_device_i2c(ek_i2c_devices, 1);

//stuff
}