path: root/arch/arm/mach-at91/at91sam9rl_devices.c

/*
 *  Copyright (C) 2007 Atmel Corporation
 *
 * 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.
 */

#include <asm/mach/arch.h>
#include <asm/mach/map.h>

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

#include <linux/fb.h>
#include <video/atmel_lcdc.h>

#include <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91sam9rl.h>
#include <mach/at91sam9rl_matrix.h>
#include <mach/at91sam9_smc.h>

#include "generic.h"


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

#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)

static struct resource usba_udc_resources[] = {
	[0] = {
		.start	= AT91SAM9RL_UDPHS_FIFO,
		.end	= AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= AT91SAM9RL_BASE_UDPHS,
		.end	= AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
		.flags	= IORESOURCE_MEM,
	},
	[2] = {
		.start	= AT91SAM9RL_ID_UDPHS,
		.end	= AT91SAM9RL_ID_UDPHS,
		.flags	= IORESOURCE_IRQ,
	},
};

#define EP(nam, idx, maxpkt, maxbk, dma, isoc)			\
	[idx] = {						\
		.name		= nam,				\
		.index		= idx,				\
		.fifo_size	= maxpkt,			\
		.nr_banks	= maxbk,			\
		.can_dma	= dma,				\
		.can_isoc	= isoc,				\
	}

static struct usba_ep_data usba_udc_ep[] __initdata = {
	EP("ep0", 0, 64, 1, 0, 0),
	EP("ep1", 1, 1024, 2, 1, 1),
	EP("ep2", 2, 1024, 2, 1, 1),
	EP("ep3", 3, 1024, 3, 1, 0),
	EP("ep4", 4, 1024, 3, 1, 0),
	EP("ep5", 5, 1024, 3, 1, 1),
	EP("ep6", 6, 1024, 3, 1, 1),
};

#undef EP

/*
 * pdata doesn't have room for any endpoints, so we need to
 * append room for the ones we need right after it.
 */
static struct {
	struct usba_platform_data pdata;
	struct usba_ep_data ep[7];
} usba_udc_data;

static struct platform_device at91_usba_udc_device = {
	.name		= "atmel_usba_udc",
	.id		= -1,
	.dev		= {
				.platform_data	= &usba_udc_data.pdata,
	},
	.resource	= usba_udc_resources,
	.num_resources	= ARRAY_SIZE(usba_udc_resources),
};

void __init at91_add_device_usba(struct usba_platform_data *data)
{
	/*
	 * Invalid pins are 0 on AT91, but the usba driver is shared
	 * with AVR32, which use negative values instead. Once/if
	 * gpio_is_valid() is ported to AT91, revisit this code.
	 */
	usba_udc_data.pdata.vbus_pin = -EINVAL;
	usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
	memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;

	if (data && data->vbus_pin > 0) {
		at91_set_gpio_input(data->vbus_pin, 0);
		at91_set_deglitch(data->vbus_pin, 1);
		usba_udc_data.pdata.vbus_pin = data->vbus_pin;
	}

	/* Pullup pin is handled internally by USB device peripheral */

	/* Clocks */
	at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
	at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");

	platform_device_register(&at91_usba_udc_device);
}
#else
void __init at91_add_device_usba(struct usba_platform_data *data) {}
#endif


/* --------------------------------------------------------------------
 *  MMC / SD
 * -------------------------------------------------------------------- */

#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct at91_mmc_data mmc_data;

static struct resource mmc_resources[] = {
	[0] = {
		.start	=