/*
 * linux/arch/arm/mach-omap2/board-n8x0.c
 *
 * Copyright (C) 2005-2009 Nokia Corporation
 * Author: Juha Yrjola <juha.yrjola@nokia.com>
 *
 * Modified from mach-omap2/board-generic.c
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/stddef.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
#include <linux/platform_data/i2c-cbus-gpio.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/mfd/menelaus.h>
#include <sound/tlv320aic3x.h>

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

#include "common.h"
#include "mmc.h"

#include "mux.h"
#include "gpmc-onenand.h"

#define TUSB6010_ASYNC_CS	1
#define TUSB6010_SYNC_CS	4
#define TUSB6010_GPIO_INT	58
#define TUSB6010_GPIO_ENABLE	0
#define TUSB6010_DMACHAN	0x3f

#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
static struct i2c_cbus_platform_data n8x0_cbus_data = {
	.clk_gpio = 66,
	.dat_gpio = 65,
	.sel_gpio = 64,
};

static struct platform_device n8x0_cbus_device = {
	.name	= "i2c-cbus-gpio",
	.id	= 3,
	.dev	= {
		.platform_data = &n8x0_cbus_data,
	},
};

static struct i2c_board_info n8x0_i2c_board_info_3[] __initdata = {
	{
		I2C_BOARD_INFO("retu-mfd", 0x01),
	},
};

static void __init n8x0_cbus_init(void)
{
	const int retu_irq_gpio = 108;

	if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
		return;
	irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
	n8x0_i2c_board_info_3[0].irq = gpio_to_irq(retu_irq_gpio);
	i2c_register_board_info(3, n8x0_i2c_board_info_3,
				ARRAY_SIZE(n8x0_i2c_board_info_3));
	platform_device_register(&n8x0_cbus_device);
}
#else /* CONFIG_I2C_CBUS_GPIO */
static void __init n8x0_cbus_init(void)
{
}
#endif /* CONFIG_I2C_CBUS_GPIO */

#if defined(CONFIG_USB_MUSB_TUSB6010) || defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
/*
 * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
 * 1.5 V voltage regulators of PM companion chip. Companion chip will then
 * provide then PGOOD signal to TUSB6010 which will release it from reset.
 */