/*
 *  Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
 *                     taskit GmbH
 *                2010 Igor Plyatov <plyatov@gmail.com>
 *                     GeoSIG Ltd
 *
 * 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/platform_device.h>
#include <linux/gpio.h>
#include <linux/w1-gpio.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <mach/at91sam9_smc.h>

#include "at91_aic.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
#include "gsia18s.h"
#include "stamp9g20.h"

static void __init gsia18s_init_early(void)
{
	stamp9g20_init_early();
}

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

/*
 * USB Device port
 */
static struct at91_udc_data __initdata udc_data = {
	.vbus_pin	= AT91_PIN_PA22,
	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
};

/*
 * MACB Ethernet device
 */
static struct macb_platform_data __initdata macb_data = {
	.phy_irq_pin	= AT91_PIN_PA28,
	.is_rmii	= 1,
};

/*
 * LEDs and GPOs
 */
static struct gpio_led gpio_leds[] = {
	{
		.name			= "gpo:spi1reset",
		.gpio			= AT91_PIN_PC1,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:trig_net_out",
		.gpio			= AT91_PIN_PB20,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:trig_net_dir",
		.gpio			= AT91_PIN_PB19,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "gpo:charge_dis",
		.gpio			= AT91_PIN_PC2,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:event",
		.gpio			= AT91_PIN_PB17,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:lan",
		.gpio			= AT91_PIN_PB18,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{
		.name			= "led:error",
		.gpio			= AT91_PIN_PB16,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	}
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds = {
	.name	= "leds-gpio",
	.id	= 0,
	.dev	= {
		.platform_data	= &gpio_led_info,
	}
};

static void __init gsia18s_leds_init(void)
{
	platform_device_register(&leds);
}

/* PCF8574 0x20 GPIO - U1 on the GS_IA18-CB_V3 board */
static struct gpio_led pcf_gpio_leds1[] = {
	{ /* bit 0 */
		.name			= "gpo:hdc_power",
		.gpio			= PCF_GPIO_HDC_POWER,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 1 */
		.name			= "gpo:wifi_setup",
		.gpio			= PCF_GPIO_WIFI_SETUP,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 2 */
		.name			= "gpo:wifi_enable",
		.gpio			= PCF_GPIO_WIFI_ENABLE,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 3	*/
		.name			= "gpo:wifi_reset",
		.gpio			= PCF_GPIO_WIFI_RESET,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	},
	/* bit 4 used as GPI	*/
	{ /* bit 5 */
		.name			= "gpo:gps_setup",
		.gpio			= PCF_GPIO_GPS_SETUP,
		.active_low		= 1,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	},
	{ /* bit 6 */
		.name			= "gpo:gps_standby",
		.gpio			= PCF_GPIO_GPS_STANDBY,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_ON,
	},
	{ /* bit 7 */
		.name			= "gpo:gps_power",
		.gpio			= PCF_GPIO_GPS_POWER,
		.active_low		= 0,
		.default_trigger	= "none",
		.default_state		= LEDS_GPIO_DEFSTATE_OFF,
	}
};

static struct gpio_led_platform_data pcf_gpio_led_info1 = {
	.leds		= pcf_gpio_leds1,
	.num_leds	= ARRAY_SIZE(pcf_gpio_leds1),
};

static struct platform_device pcf_leds1 = {
	.name	= "leds-gpio", /* GS_IA18-CB_board */
	.id	= 1,
	.dev	= {
		.platform_data	= &pcf_gpio_led_info1,
	}
};

/* PCF8574 0x22 GPIO - U1 on the GS_2G_OPT1-A_V0 board (Alarm) */
static struct gpio_led pcf_gpio_leds2[] = {
	{ /* bit 0 */
		.name			= "gpo:alarm_1",
		.gpio			= PCF_GPIO_ALARM1,
		.active_low		= 1,
		.default_trigger	= "none",