Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (172 commits)
  USB: Add support for SuperSpeed isoc endpoints
  xhci: Clean up cycle bit math used during stalls.
  xhci: Fix cycle bit calculation during stall handling.
  xhci: Update internal dequeue pointers after stalls.
  USB: Disable auto-suspend for USB 3.0 hubs.
  USB: Remove bogus USB_PORT_STAT_SUPER_SPEED symbol.
  xhci: Return canceled URBs immediately when host is halted.
  xhci: Fixes for suspend/resume of shared HCDs.
  xhci: Fix re-init on power loss after resume.
  xhci: Make roothub functions deal with device removal.
  xhci: Limit roothub ports to 15 USB3 & 31 USB2 ports.
  xhci: Return a USB 3.0 hub descriptor for USB3 roothub.
  xhci: Register second xHCI roothub.
  xhci: Change xhci_find_slot_id_by_port() API.
  xhci: Refactor bus suspend state into a struct.
  xhci: Index with a port array instead of PORTSC addresses.
  USB: Set usb_hcd->state and flags for shared roothubs.
  usb: Make core allocate resources per PCI-device.
  usb: Store bus type in usb_hcd, not in driver flags.
  usb: Change usb_hcd->bandwidth_mutex to a pointer.
  ...

115 files changed, 9178 insertions, 3592 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index fd018366d67..a6dfa37a674 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -624,6 +624,15 @@ config MFD_WL1273_CORE
 	  driver connects the radio-wl1273 V4L2 module and the wl1273
 	  audio codec.
 
+config MFD_OMAP_USB_HOST
+	bool "Support OMAP USBHS core driver"
+	depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
+	default y
+	help
+	  This is the core driver for the OAMP EHCI and OHCI drivers.
+	  This MFD driver does the required setup functionalities for
+	  OMAP USB Host drivers.
+
 endif # MFD_SUPPORT
 
 menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index a54e2c7c6a1..91fe384459a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -83,3 +83,4 @@ obj-$(CONFIG_MFD_TPS6586X)	+= tps6586x.o
 obj-$(CONFIG_MFD_VX855)		+= vx855.o
 obj-$(CONFIG_MFD_WL1273_CORE)	+= wl1273-core.o
 obj-$(CONFIG_MFD_CS5535)	+= cs5535-mfd.o
+obj-$(CONFIG_MFD_OMAP_USB_HOST)	+= omap-usb-host.o
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
new file mode 100644
index 00000000000..cb01209754e
--- /dev/null
+++ b/drivers/mfd/omap-usb-host.c
@@ -0,0 +1,1061 @@
+/**
+ * omap-usb-host.c - The USBHS core driver for OMAP EHCI & OHCI
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com
+ * Author: Keshava Munegowda <keshava_mgowda@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  of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/dma-mapping.h>
+#include <linux/spinlock.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <plat/usb.h>
+
+#define USBHS_DRIVER_NAME	"usbhs-omap"
+#define OMAP_EHCI_DEVICE	"ehci-omap"
+#define OMAP_OHCI_DEVICE	"ohci-omap3"
+
+/* OMAP USBHOST Register addresses  */
+
+/* TLL Register Set */
+#define	OMAP_USBTLL_REVISION				(0x00)
+#define	OMAP_USBTLL_SYSCONFIG				(0x10)
+#define	OMAP_USBTLL_SYSCONFIG_CACTIVITY			(1 << 8)
+#define	OMAP_USBTLL_SYSCONFIG_SIDLEMODE			(1 << 3)
+#define	OMAP_USBTLL_SYSCONFIG_ENAWAKEUP			(1 << 2)
+#define	OMAP_USBTLL_SYSCONFIG_SOFTRESET			(1 << 1)
+#define	OMAP_USBTLL_SYSCONFIG_AUTOIDLE			(1 << 0)
+
+#define	OMAP_USBTLL_SYSSTATUS				(0x14)
+#define	OMAP_USBTLL_SYSSTATUS_RESETDONE			(1 << 0)
+
+#define	OMAP_USBTLL_IRQSTATUS				(0x18)
+#define	OMAP_USBTLL_IRQENABLE				(0x1C)
+
+#define	OMAP_TLL_SHARED_CONF				(0x30)
+#define	OMAP_TLL_SHARED_CONF_USB_90D_DDR_EN		(1 << 6)
+#define	OMAP_TLL_SHARED_CONF_USB_180D_SDR_EN		(1 << 5)
+#define	OMAP_TLL_SHARED_CONF_USB_DIVRATION		(1 << 2)
+#define	OMAP_TLL_SHARED_CONF_FCLK_REQ			(1 << 1)
+#define	OMAP_TLL_SHARED_CONF_FCLK_IS_ON			(1 << 0)
+
+#define	OMAP_TLL_CHANNEL_CONF(num)			(0x040 + 0x004 * num)
+#define OMAP_TLL_CHANNEL_CONF_FSLSMODE_SHIFT		24
+#define	OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF		(1 << 11)
+#define	OMAP_TLL_CHANNEL_CONF_ULPI_ULPIAUTOIDLE		(1 << 10)
+#define	OMAP_TLL_CHANNEL_CONF_UTMIAUTOIDLE		(1 << 9)
+#define	OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE		(1 << 8)
+#define OMAP_TLL_CHANNEL_CONF_CHANMODE_FSLS		(1 << 1)
+#define	OMAP_TLL_CHANNEL_CONF_CHANEN			(1 << 0)
+
+#define OMAP_TLL_FSLSMODE_6PIN_PHY_DAT_SE0		0x0
+#define OMAP_TLL_FSLSMODE_6PIN_PHY_DP_DM		0x1
+#define OMAP_TLL_FSLSMODE_3PIN_PHY			0x2
+#define OMAP_TLL_FSLSMODE_4PIN_PHY			0x3
+#define OMAP_TLL_FSLSMODE_6PIN_TLL_DAT_SE0		0x4
+#define OMAP_TLL_FSLSMODE_6PIN_TLL_DP_DM		0x5
+#define OMAP_TLL_FSLSMODE_3PIN_TLL			0x6
+#define OMAP_TLL_FSLSMODE_4PIN_TLL			0x7
+#define OMAP_TLL_FSLSMODE_2PIN_TLL_DAT_SE0		0xA
+#define OMAP_TLL_FSLSMODE_2PIN_DAT_DP_DM		0xB
+
+#define	OMAP_TLL_ULPI_FUNCTION_CTRL(num)		(0x804 + 0x100 * num)
+#define	OMAP_TLL_ULPI_INTERFACE_CTRL(num)		(0x807 + 0x100 * num)
+#define	OMAP_TLL_ULPI_OTG_CTRL(num)			(0x80A + 0x100 * num)
+#define	OMAP_TLL_ULPI_INT_EN_RISE(num)			(0x80D + 0x100 * num)
+#define	OMAP_TLL_ULPI_INT_EN_FALL(num)			(0x810 + 0x100 * num)
+#define	OMAP_TLL_ULPI_INT_STATUS(num)			(0x813 + 0x100 * num)
+#define	OMAP_TLL_ULPI_INT_LATCH(num)			(0x814 + 0x100 * num)
+#define	OMAP_TLL_ULPI_DEBUG(num)			(0x815 + 0x100 * num)
+#define	OMAP_TLL_ULPI_SCRATCH_REGISTER(num)		(0x816 + 0x100 * num)
+
+#define OMAP_TLL_CHANNEL_COUNT				3
+#define OMAP_TLL_CHANNEL_1_EN_MASK			(1 << 0)
+#define OMAP_TLL_CHANNEL_2_EN_MASK			(1 << 1)
+#define OMAP_TLL_CHANNEL_3_EN_MASK			(1 << 2)
+
+/* UHH Register Set */
+#define	OMAP_UHH_REVISION				(0x00)
+#define	OMAP_UHH_SYSCONFIG				(0x10)