path: root/arch/arm/mach-at91/at91rm9200_devices.c

/*
 * arch/arm/mach-at91/at91rm9200_devices.c
 *
 *  Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
 *  Copyright (C) 2005 David Brownell
 *
 * 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.
 *
 */
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/i2c-gpio.h>

#include <mach/board.h>
#include <mach/at91rm9200.h>
#include <mach/at91rm9200_mc.h>

#include "generic.h"


/* --------------------------------------------------------------------
 *  USB Host
 * -------------------------------------------------------------------- */

#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct at91_usbh_data usbh_data;

static struct resource usbh_resources[] = {
	[0] = {
		.start	= AT91RM9200_UHP_BASE,
		.end	= AT91RM9200_UHP_BASE + SZ_1M - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= AT91RM9200_ID_UHP,
		.end	= AT91RM9200_ID_UHP,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91rm9200_usbh_device = {
	.name		= "at91_ohci",
	.id		= -1,
	.dev		= {
				.dma_mask		= &ohci_dmamask,
				.coherent_dma_mask	= DMA_BIT_MASK(32),
				.platform_data		= &usbh_data,
	},
	.resource	= usbh_resources,
	.num_resources	= ARRAY_SIZE(usbh_resources),
};

void __init at91_add_device_usbh(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	/* Enable overcurrent notification */
	for (i = 0; i < data->ports; i++) {
		if (data->overcurrent_pin[i])
			at91_set_gpio_input(data->overcurrent_pin[i], 1);
	}

	usbh_data = *data;
	platform_device_register(&at91rm9200_usbh_device);
}
#else
void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
#endif


/* --------------------------------------------------------------------
 *  USB Device (Gadget)
 * -------------------------------------------------------------------- */

#ifdef CONFIG_USB_AT91
static struct at91_udc_data udc_data;

static struct resource udc_resources[] = {
	[0] = {
		.start	= AT91RM9200_BASE_UDP,
		.end	= AT91RM9200_BASE_UDP + SZ_16K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= AT91RM9200_ID_UDP,
		.end	= AT91RM9200_ID_UDP,
		.flags	= IORESOURCE_IRQ,
	},
};

static struct platform_device at91rm9200_udc_device = {
	.name		= "at91_udc",
	.id		= -1,
	.dev		= {
				.platform_data		= &udc_data,
	},
	.resource	= udc_resources,
	.num_resources	= ARRAY_SIZE(udc_resources),
};

void __init at91_add_device_udc(struct at91_udc_data *data)
{
	if (!data)
		return;

	if (gpio_is_valid(data->vbus_pin)) {