linux-pinenote/arch/arm/mach-omap2/usb-host.c

/*
 * usb-host.c - OMAP USB Host
 *
 * This file will contain the board specific details for the
 * Synopsys EHCI/OHCI host controller on OMAP3430 and onwards
 *
 * Copyright (C) 2007-2011 Texas Instruments
 * Author: Vikram Pandita <vikram.pandita@ti.com>
 * Author: Keshava Munegowda <keshava_mgowda@ti.com>
 *
 * Generalization by:
 * Felipe Balbi <balbi@ti.com>
 *
 * 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/types.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>

#include <asm/io.h>

#include "soc.h"
#include "omap_device.h"
#include "mux.h"
#include "usb.h"

#ifdef CONFIG_MFD_OMAP_USB_HOST

#define OMAP_USBHS_DEVICE	"usbhs_omap"
#define OMAP_USBTLL_DEVICE	"usbhs_tll"
#define	USBHS_UHH_HWMODNAME	"usb_host_hs"
#define USBHS_TLL_HWMODNAME	"usb_tll_hs"

/* MUX settings for EHCI pins */
/*
 * setup_ehci_io_mux - initialize IO pad mux for USBHOST
 */
static void __init setup_ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
	switch (port_mode[0]) {
	case OMAP_EHCI_PORT_MODE_PHY:
		omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
		omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
		omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_EHCI_PORT_MODE_TLL:
		omap_mux_init_signal("hsusb1_tll_stp",
			OMAP_PIN_INPUT_PULLUP);
		omap_mux_init_signal("hsusb1_tll_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb1_tll_data7",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}

	switch (port_mode[1]) {
	case OMAP_EHCI_PORT_MODE_PHY:
		omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
		omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
		omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_data7",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_EHCI_PORT_MODE_TLL:
		omap_mux_init_signal("hsusb2_tll_stp",
			OMAP_PIN_INPUT_PULLUP);
		omap_mux_init_signal("hsusb2_tll_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb2_tll_data7",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}

	switch (port_mode[2]) {
	case OMAP_EHCI_PORT_MODE_PHY:
		printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
		break;
	case OMAP_EHCI_PORT_MODE_TLL:
		omap_mux_init_signal("hsusb3_tll_stp",
			OMAP_PIN_INPUT_PULLUP);
		omap_mux_init_signal("hsusb3_tll_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("hsusb3_tll_data7",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}

	return;
}

static
void __init setup_4430ehci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
	switch (port_mode[0]) {
	case OMAP_EHCI_PORT_MODE_PHY:
		omap_mux_init_signal("usbb1_ulpiphy_stp",
			OMAP_PIN_OUTPUT);
		omap_mux_init_signal("usbb1_ulpiphy_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpiphy_dat7",
			OMAP_PIN_INPUT_PULLDOWN);
			break;
	case OMAP_EHCI_PORT_MODE_TLL:
		omap_mux_init_signal("usbb1_ulpitll_stp",
			OMAP_PIN_INPUT_PULLUP);
		omap_mux_init_signal("usbb1_ulpitll_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_ulpitll_dat7",
			OMAP_PIN_INPUT_PULLDOWN);
			break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
	default:
			break;
	}
	switch (port_mode[1]) {
	case OMAP_EHCI_PORT_MODE_PHY:
		omap_mux_init_signal("usbb2_ulpiphy_stp",
			OMAP_PIN_OUTPUT);
		omap_mux_init_signal("usbb2_ulpiphy_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpiphy_dat7",
			OMAP_PIN_INPUT_PULLDOWN);
			break;
	case OMAP_EHCI_PORT_MODE_TLL:
		omap_mux_init_signal("usbb2_ulpitll_stp",
			OMAP_PIN_INPUT_PULLUP);
		omap_mux_init_signal("usbb2_ulpitll_clk",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dir",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_nxt",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat1",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat2",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat3",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat4",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat5",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat6",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_ulpitll_dat7",
			OMAP_PIN_INPUT_PULLDOWN);
			break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
	default:
			break;
	}
}

static void __init setup_ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
	switch (port_mode[0]) {
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
		omap_mux_init_signal("mm1_rxdp",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm1_rxdm",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
		omap_mux_init_signal("mm1_rxrcv",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
		omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
		omap_mux_init_signal("mm1_txse0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm1_txdat",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}
	switch (port_mode[1]) {
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
		omap_mux_init_signal("mm2_rxdp",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm2_rxdm",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
		omap_mux_init_signal("mm2_rxrcv",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
		omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
		omap_mux_init_signal("mm2_txse0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm2_txdat",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}
	switch (port_mode[2]) {
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
		omap_mux_init_signal("mm3_rxdp",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm3_rxdm",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
		omap_mux_init_signal("mm3_rxrcv",
			OMAP_PIN_INPUT_PULLDOWN);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
		omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT);
		/* FALLTHROUGH */
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
		omap_mux_init_signal("mm3_txse0",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("mm3_txdat",
			OMAP_PIN_INPUT_PULLDOWN);
		break;
	case OMAP_USBHS_PORT_MODE_UNUSED:
		/* FALLTHROUGH */
	default:
		break;
	}
}

static
void __init setup_4430ohci_io_mux(const enum usbhs_omap_port_mode *port_mode)
{
	switch (port_mode[0]) {
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
		omap_mux_init_signal("usbb1_mm_rxdp",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_mm_rxdm",
			OMAP_PIN_INPUT_PULLDOWN);

	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
		omap_mux_init_signal("usbb1_mm_rxrcv",
			OMAP_PIN_INPUT_PULLDOWN);

	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
		omap_mux_init_signal("usbb1_mm_txen",
			OMAP_PIN_INPUT_PULLDOWN);


	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
		omap_mux_init_signal("usbb1_mm_txdat",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb1_mm_txse0",
			OMAP_PIN_INPUT_PULLDOWN);
		break;

	case OMAP_USBHS_PORT_MODE_UNUSED:
	default:
		break;
	}

	switch (port_mode[1]) {
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
		omap_mux_init_signal("usbb2_mm_rxdp",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_mm_rxdm",
			OMAP_PIN_INPUT_PULLDOWN);

	case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
	case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
		omap_mux_init_signal("usbb2_mm_rxrcv",
			OMAP_PIN_INPUT_PULLDOWN);

	case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
		omap_mux_init_signal("usbb2_mm_txen",
			OMAP_PIN_INPUT_PULLDOWN);


	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
	case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
		omap_mux_init_signal("usbb2_mm_txdat",
			OMAP_PIN_INPUT_PULLDOWN);
		omap_mux_init_signal("usbb2_mm_txse0",
			OMAP_PIN_INPUT_PULLDOWN);
		break;

	case OMAP_USBHS_PORT_MODE_UNUSED:
	default:
		break;
	}
}

void __init usbhs_init(struct usbhs_omap_platform_data *pdata)
{
	struct omap_hwmod	*uhh_hwm, *tll_hwm;
	struct platform_device	*pdev;
	int			bus_id = -1;

	if (cpu_is_omap34xx()) {
		setup_ehci_io_mux(pdata->port_mode);
		setup_ohci_io_mux(pdata->port_mode);

		if (omap_rev() <= OMAP3430_REV_ES2_1)
			pdata->single_ulpi_bypass = true;

	} else if (cpu_is_omap44xx()) {
		setup_4430ehci_io_mux(pdata->port_mode);
		setup_4430ohci_io_mux(pdata->port_mode);
	}

	uhh_hwm = omap_hwmod_lookup(USBHS_UHH_HWMODNAME);
	if (!uhh_hwm) {
		pr_err("Could not look up %s\n", USBHS_UHH_HWMODNAME);
		return;
	}

	tll_hwm = omap_hwmod_lookup(USBHS_TLL_HWMODNAME);
	if (!tll_hwm) {
		pr_err("Could not look up %s\n", USBHS_TLL_HWMODNAME);
		return;
	}

	pdev = omap_device_build(OMAP_USBTLL_DEVICE, bus_id, tll_hwm,
				pdata, sizeof(*pdata));
	if (IS_ERR(pdev)) {
		pr_err("Could not build hwmod device %s\n",
		       USBHS_TLL_HWMODNAME);
		return;
	}

	pdev = omap_device_build(OMAP_USBHS_DEVICE, bus_id, uhh_hwm,
				pdata, sizeof(*pdata));
	if (IS_ERR(pdev)) {
		pr_err("Could not build hwmod devices %s\n",
		       USBHS_UHH_HWMODNAME);
		return;
	}
}

#else

void __init usbhs_init(struct usbhs_omap_platform_data *pdata)
{
}

#endif