Initial file dump from open source releaseHEADmaster

1 files changed, 684 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c
new file mode 100644
index 00000000..aa27d7f5
--- /dev/null
+++ b/arch/arm/mach-omap2/usb-host.c
@@ -0,0 +1,684 @@
+/*
+ * 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 <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/string.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/usb/phy.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
+
+/* Template for PHY regulators */
+static struct fixed_voltage_config hsusb_reg_config = {
+	/* .supply_name filled later */
+	.microvolts = 3300000,
+	.gpio = -1,		/* updated later */
+	.startup_delay = 70000, /* 70msec */
+	.enable_high = 1,	/* updated later */
+	.enabled_at_boot = 0,	/* keep in RESET */
+	/* .init_data filled later */
+};
+
+static const char *nop_name = "nop_usb_xceiv"; /* NOP PHY driver */
+static const char *reg_name = "reg-fixed-voltage"; /* Regulator driver */
+
+/**
+ * usbhs_add_regulator - Add a gpio based fixed voltage regulator device
+ * @name: name for the regulator
+ * @dev_id: device id of the device this regulator supplies power to
+ * @dev_supply: supply name that the device expects
+ * @gpio: GPIO number
+ * @polarity: 1 - Active high, 0 - Active low
+ */
+static int usbhs_add_regulator(char *name, char *dev_id, char *dev_supply,
+						int gpio, int polarity)
+{
+	struct regulator_consumer_supply *supplies;
+	struct regulator_init_data *reg_data;
+	struct fixed_voltage_config *config;
+	struct platform_device *pdev;
+	int ret;
+
+	supplies = kzalloc(sizeof(*supplies), GFP_KERNEL);
+	if (!supplies)
+		return -ENOMEM;
+
+	supplies->supply = dev_supply;
+	supplies->dev_name = dev_id;
+
+	reg_data = kzalloc(sizeof(*reg_data), GFP_KERNEL);
+	if (!reg_data)
+		return -ENOMEM;
+
+	reg_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
+	reg_data->consumer_supplies = supplies;
+	reg_data->num_consumer_supplies = 1;
+
+	config = kmemdup(&hsusb_reg_config, sizeof(hsusb_reg_config),
+			GFP_KERNEL);
+	if (!config)
+		return -ENOMEM;
+
+	config->supply_name = name;
+	config->gpio = gpio;
+	config->enable_high = polarity;
+	config->init_data = reg_data;
+
+	/* create a regulator device */
+	pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
+	if (!pdev)
+		return -ENOMEM;
+
+	pdev->id = PLATFORM_DEVID_AUTO;
+	pdev->name = reg_name;
+	pdev->dev.platform_data = config;
+
+	ret = platform_device_register(pdev);
+	if (ret)
+		pr_err("%s: Failed registering regulator %s for %s\n",
+				__func__, name, dev_id);
+
+	return ret;
+}
+
+int usbhs_init_phys(struct usbhs_phy_data *phy, int num_phys)
+{
+	char *rail_name;
+	int i, len;
+	struct platform_device *pdev;
+	char *phy_id;
+
+	/* the phy_id will be something like "nop_usb_xceiv.1" */
+	len = strlen(nop_name) + 3; /* 3 -> ".1" and NULL terminator */
+
+	for (i = 0; i < num_phys; i++) {
+
+		if (!phy->port) {
+			pr_err("%s: Invalid port 0. Must start from 1\n",
+						__func__);
+			continue;
+		}
+
+		/* do we need a NOP PHY device ? */
+		if (!gpio_is_valid(phy->reset_gpio) &&
+			!gpio_is_valid(phy->vcc_gpio))
+			continue;
+
+		/* create a NOP PHY device */
+		pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
+		if (!pdev)
+			return -ENOMEM;
+
+		pdev->id = phy->port;
+		pdev->name = nop_name;
+		pdev->dev.platform_data = phy->platform_data;
+
+		phy_id = kmalloc(len, GFP_KERNEL);
+		if (!phy_id)
+			return -ENOMEM;
+
+		scnprintf(phy_id, len, "nop_usb_xceiv.%d\n",
+					pdev->id);
+
+		if (platform_device_register(pdev)) {
+			pr_err("%s: Failed to register device %s\n",
+				__func__,  phy_id);
+			continue;
+		}
+
+		usb_bind_phy("ehci-omap.0", phy->port - 1, phy_id);
+
+		/* Do we need RESET regulator ? */
+		if (gpio_is_valid(phy->reset_gpio)) {
+
+			rail_name = kmalloc(13, GFP_KERNEL);
+			if (!rail_name)
+				return -ENOMEM;
+
+			scnprintf(rail_name, 13, "hsusb%d_reset", phy->port);
+
+			usbhs_add_regulator(rail_name, phy_id, "reset",
+						phy->reset_gpio, 1);
+		}
+
+		/* Do we need VCC regulator ? */
+		if (gpio_is_valid(phy->vcc_gpio)) {
+
+			rail_name = kmalloc(13, GFP_KERNEL);
+			if (!rail_name)
+				return -ENOMEM;
+
+			scnprintf(rail_name, 13, "hsusb%d_vcc", phy->port);
+
+			usbhs_add_regulator(rail_name, phy_id, "vcc",
+					phy->vcc_gpio, phy->vcc_polarity);
+		}
+
+		phy++;
+	}
+
+	return 0;
+}