Merge git://git.denx.de/u-boot-usb

62 files changed, 248 insertions, 117 deletions

diff --git a/include/clk.h b/include/clk.h
index 5a5c2ff..c5988f7 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -98,6 +98,21 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk);
  * @return 0 if OK, or a negative error code.
  */
 int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk);
+
+/**
+ * clk_release_all() - Disable (turn off)/Free an array of previously
+ * requested clocks.
+ *
+ * For each clock contained in the clock array, this function will check if
+ * clock has been previously requested and then will disable and free it.
+ *
+ * @clk:	A clock struct array that was previously successfully
+ *		requested by clk_request/get_by_*().
+ * @count	Number of clock contained in the array
+ * @return zero on success, or -ve error code.
+ */
+int clk_release_all(struct clk *clk, int count);
+
 #else
 static inline int clk_get_by_index(struct udevice *dev, int index,
 				   struct clk *clk)
@@ -110,6 +125,12 @@ static inline int clk_get_by_name(struct udevice *dev, const char *name,
 {
 	return -ENOSYS;
 }
+
+static inline int clk_release_all(struct clk *clk, int count)
+{
+	return -ENOSYS;
+}
+
 #endif
 
 /**
diff --git a/include/configs/MPC8572DS.h b/include/configs/MPC8572DS.h
index 0a2bcb2..32c5932 100644
--- a/include/configs/MPC8572DS.h
+++ b/include/configs/MPC8572DS.h
@@ -560,7 +560,6 @@
 #define CONFIG_USB_EHCI_PCI
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_PCI_EHCI_DEVICE			0
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
 #endif
 
 #undef CONFIG_WATCHDOG			/* watchdog disabled */
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index a91b7df..70e7473 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -82,7 +82,6 @@
 #if defined(CONFIG_SPL_USB_HOST_SUPPORT) || !defined(CONFIG_SPL_BUILD)
 #define CONFIG_SYS_USB_FAT_BOOT_PARTITION		1
 #define CONFIG_USB_XHCI_OMAP
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_AM437X_USB2PHY2_HOST
diff --git a/include/configs/am57xx_evm.h b/include/configs/am57xx_evm.h
index 9216998..9976686 100644
--- a/include/configs/am57xx_evm.h
+++ b/include/configs/am57xx_evm.h
@@ -92,7 +92,6 @@
 
 /* USB xHCI HOST */
 #define CONFIG_USB_XHCI_OMAP
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_OMAP_USB3PHY1_HOST
diff --git a/include/configs/cl-som-am57x.h b/include/configs/cl-som-am57x.h
index c1cf413..120ac02 100644
--- a/include/configs/cl-som-am57x.h
+++ b/include/configs/cl-som-am57x.h
@@ -83,7 +83,6 @@
 
 /* USB xHCI HOST */
 #define CONFIG_USB_XHCI_OMAP
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_OMAP_USB3PHY1_HOST
diff --git a/include/configs/cm_t43.h b/include/configs/cm_t43.h
index f6e0743..7a61107 100644
--- a/include/configs/cm_t43.h
+++ b/include/configs/cm_t43.h
@@ -60,7 +60,6 @@
 
 /* USB support */
 #define CONFIG_USB_XHCI_OMAP
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_AM437X_USB2PHY2_HOST
 
diff --git a/include/configs/cm_t54.h b/include/configs/cm_t54.h
index 69706d2..8a4c333 100644
--- a/include/configs/cm_t54.h
+++ b/include/configs/cm_t54.h
@@ -56,7 +56,6 @@
 #define CONFIG_SYS_SCSI_MAX_DEVICE	(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
 						CONFIG_SYS_SCSI_MAX_LUN)
 /* USB UHH support options */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 
 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO	76 /* HSIC2 HUB #RESET */
diff --git a/include/configs/corvus.h b/include/configs/corvus.h
index ed1a228..0150727 100644
--- a/include/configs/corvus.h
+++ b/include/configs/corvus.h
@@ -94,9 +94,6 @@
 #define CONFIG_NET_RETRY_COUNT		20
 #define CONFIG_AT91_WANTS_COMMON_PHY
 
-/* USB */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
-
 #define CONFIG_MTD_DEVICE
 #define CONFIG_MTD_PARTITIONS
 
diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h
index 8566bdc..b509151 100644
--- a/include/configs/dra7xx_evm.h
+++ b/include/configs/dra7xx_evm.h
@@ -154,7 +154,6 @@
 
 /* USB xHCI HOST */
 #define CONFIG_USB_XHCI_OMAP
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 
 #define CONFIG_OMAP_USB_PHY
 #define CONFIG_OMAP_USB2PHY2_HOST
diff --git a/include/configs/ds414.h b/include/configs/ds414.h
index a209e6f..c1e9346 100644
--- a/include/configs/ds414.h
+++ b/include/configs/ds414.h
@@ -68,7 +68,6 @@
 #if 0
 #undef CONFIG_DM_USB
 #define CONFIG_USB_XHCI_PCI
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
 #endif
 
 #if !defined(CONFIG_USB_XHCI_HCD)
diff --git a/include/configs/duovero.h b/include/configs/duovero.h
index 8efcc94..c4496a7 100644
--- a/include/configs/duovero.h
+++ b/include/configs/duovero.h
@@ -25,8 +25,6 @@
 #define CONFIG_SYS_DEFAULT_LPDDR2_TIMINGS
 
 /* USB UHH support options */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
-
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 1
 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 62
 
diff --git a/include/configs/exynos5-common.h b/include/configs/exynos5-common.h
index 378219d..3b73bbc 100644
--- a/include/configs/exynos5-common.h
+++ b/include/configs/exynos5-common.h
@@ -134,9 +134,6 @@
 /* Enable Time Command */
 
 /* USB */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
-
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
 #define CONFIG_USB_ETHER_SMSC95XX
diff --git a/include/configs/ls1012afrdm.h b/include/configs/ls1012afrdm.h
index f6f88e8..6b1ba57 100644
--- a/include/configs/ls1012afrdm.h
+++ b/include/configs/ls1012afrdm.h
@@ -39,7 +39,6 @@
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 #endif
 
 #define CONFIG_CMD_MEMINFO
diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h
index 9e6c7a7..bebb0df 100644
--- a/include/configs/ls1012aqds.h
+++ b/include/configs/ls1012aqds.h
@@ -124,7 +124,6 @@
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 #endif
 
 /*  MMC  */
diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h
index 0705bc5..32c8cec 100644
--- a/include/configs/ls1012ardb.h
+++ b/include/configs/ls1012ardb.h
@@ -27,7 +27,6 @@
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 #endif
 
 /*
diff --git a/include/configs/ls1021aiot.h b/include/configs/ls1021aiot.h
index 1f2eb52..58f893f 100644
--- a/include/configs/ls1021aiot.h
+++ b/include/configs/ls1021aiot.h
@@ -26,7 +26,6 @@
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #endif
 
 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_XHCI_USB)
diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h
index 251a66e..83e7e7a 100644
--- a/include/configs/ls1021aqds.h
+++ b/include/configs/ls1021aqds.h
@@ -413,7 +413,6 @@ unsigned long get_board_ddr_clk(void);
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #endif
 
 /*
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index b9e5cdb..0aa6fdd 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -50,7 +50,6 @@
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT        1
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS     2
 #endif
 
 #define CONFIG_SYS_CLK_FREQ		100000000
diff --git a/include/configs/ls1043aqds.h b/include/configs/ls1043aqds.h
index 415a705..0897da1 100644
--- a/include/configs/ls1043aqds.h
+++ b/include/configs/ls1043aqds.h
@@ -377,7 +377,6 @@ unsigned long get_board_ddr_clk(void);
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		3
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #endif
 
 /*
diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h
index 59e7760..617a712 100644
--- a/include/configs/ls1043ardb.h
+++ b/include/configs/ls1043ardb.h
@@ -288,7 +288,6 @@
 #ifdef CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		3
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #endif
 #endif
 
diff --git a/include/configs/ls1046aqds.h b/include/configs/ls1046aqds.h
index ea99676..bb3d941 100644
--- a/include/configs/ls1046aqds.h
+++ b/include/configs/ls1046aqds.h
@@ -144,7 +144,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         3
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 #define CONFIG_CMD_USB
 #define CONFIG_USB_STORAGE
 #endif
diff --git a/include/configs/ls1046ardb.h b/include/configs/ls1046ardb.h
index 20a5e7f..8c72291 100644
--- a/include/configs/ls1046ardb.h
+++ b/include/configs/ls1046ardb.h
@@ -220,7 +220,6 @@
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         3
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 #define CONFIG_CMD_USB
 #define CONFIG_USB_STORAGE
 #endif
diff --git a/include/configs/ls2080aqds.h b/include/configs/ls2080aqds.h
index 929ae32..66936c4 100644
--- a/include/configs/ls2080aqds.h
+++ b/include/configs/ls2080aqds.h
@@ -446,7 +446,6 @@ unsigned long get_board_ddr_clk(void);
 #define CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		2
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 
 #include <asm/fsl_secure_boot.h>
 
diff --git a/include/configs/ls2080ardb.h b/include/configs/ls2080ardb.h
index 0be4c4f..744a789 100644
--- a/include/configs/ls2080ardb.h
+++ b/include/configs/ls2080ardb.h
@@ -346,7 +346,6 @@ unsigned long get_board_sys_clk(void);
 #define CONFIG_HAS_FSL_XHCI_USB
 #define CONFIG_USB_XHCI_FSL
 #define CONFIG_USB_MAX_CONTROLLER_COUNT         2
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
 
 #undef CONFIG_CMDLINE_EDITING
 #include <config_distro_defaults.h>
diff --git a/include/configs/ma5d4evk.h b/include/configs/ma5d4evk.h
index 2744efb..7c28a94 100644
--- a/include/configs/ma5d4evk.h
+++ b/include/configs/ma5d4evk.h
@@ -96,7 +96,6 @@
  * USB
  */
 #ifdef CONFIG_CMD_USB
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 
 /* USB device */
 #define CONFIG_USB_ETHER
diff --git a/include/configs/mcx.h b/include/configs/mcx.h
index 73fdfbd..3f5fdab 100644
--- a/include/configs/mcx.h
+++ b/include/configs/mcx.h
@@ -74,7 +74,6 @@
 
 /* EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	57
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
 #define	CONFIG_USB_HOST_ETHER
 #define	CONFIG_USB_ETHER_ASIX
 #define CONFIG_USB_ETHER_MCS7830
diff --git a/include/configs/minnowmax.h b/include/configs/minnowmax.h
index ae95485..6ea607d 100644
--- a/include/configs/minnowmax.h
+++ b/include/configs/minnowmax.h
@@ -20,7 +20,8 @@
 
 #define CONFIG_STD_DEVICES_SETTINGS	"stdin=usbkbd,serial\0" \
 					"stdout=vidconsole,serial\0" \
-					"stderr=vidconsole,serial\0"
+					"stderr=vidconsole,serial\0" \
+					"usb_pgood_delay=40\0"
 
 #define CONFIG_SCSI_DEV_LIST		\
 	{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_VALLEYVIEW_SATA}, \
diff --git a/include/configs/mvebu_armada-37xx.h b/include/configs/mvebu_armada-37xx.h
index 778cc9e..1307d21 100644
--- a/include/configs/mvebu_armada-37xx.h
+++ b/include/configs/mvebu_armada-37xx.h
@@ -93,14 +93,7 @@
 #define CONFIG_NET_RETRY_COUNT	50
 #define CONFIG_PHY_MARVELL
 
-/* USB 2.0 */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
-
-/* USB 3.0 */
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 3
-
-#define CONFIG_USB_MAX_CONTROLLER_COUNT (CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS + \
-					 CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS)
+#define CONFIG_USB_MAX_CONTROLLER_COUNT (3 + 3)
 
 /* USB ethernet */
 #define CONFIG_USB_HOST_ETHER
diff --git a/include/configs/mvebu_armada-8k.h b/include/configs/mvebu_armada-8k.h
index 53db10f..86ae19c 100644
--- a/include/configs/mvebu_armada-8k.h
+++ b/include/configs/mvebu_armada-8k.h
@@ -97,14 +97,7 @@
 #define CONFIG_ARP_TIMEOUT	200
 #define CONFIG_NET_RETRY_COUNT	50
 
-/* USB 2.0 */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
-
-/* USB 3.0 */
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 3
-
-#define CONFIG_USB_MAX_CONTROLLER_COUNT (CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS + \
-					 CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS)
+#define CONFIG_USB_MAX_CONTROLLER_COUNT (3 + 3)
 
 /* USB ethernet */
 #define CONFIG_USB_HOST_ETHER
diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h
index 9ae3d18..8338d6d 100644
--- a/include/configs/mx35pdk.h
+++ b/include/configs/mx35pdk.h
@@ -195,7 +195,6 @@
 #define CONFIG_SYS_NAND_LARGEPAGE
 
 /* EHCI driver */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	1
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_USB_EHCI_MXC
diff --git a/include/configs/odroid.h b/include/configs/odroid.h
index 9552c96..563854d 100644
--- a/include/configs/odroid.h
+++ b/include/configs/odroid.h
@@ -184,7 +184,6 @@
 /* USB */
 #define CONFIG_USB_EHCI_EXYNOS
 
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_SMSC95XX
 
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 4422d5e..2fc6693 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -58,7 +58,6 @@
 
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	147
 
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_ASIX
 #define CONFIG_USB_ETHER_MCS7830
diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h
index 834822d..133069a 100644
--- a/include/configs/omap3_overo.h
+++ b/include/configs/omap3_overo.h
@@ -41,7 +41,6 @@
 
 /* USB EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	183
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 
 /* commands to include */
 
diff --git a/include/configs/omap4_panda.h b/include/configs/omap4_panda.h
index a973ce6..9951980 100644
--- a/include/configs/omap4_panda.h
+++ b/include/configs/omap4_panda.h
@@ -17,8 +17,6 @@
  */
 
 /* USB UHH support options */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
-
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 1
 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 62
 
diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h
index eb5e6df..9b65009 100644
--- a/include/configs/omap5_uevm.h
+++ b/include/configs/omap5_uevm.h
@@ -51,7 +51,6 @@
 #define CONFIG_SYS_I2C_TCA642X_ADDR 0x22
 
 /* USB UHH support options */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 
 #define CONFIG_OMAP_EHCI_PHY2_RESET_GPIO 80
diff --git a/include/configs/picosam9g45.h b/include/configs/picosam9g45.h
index 88f841d..a14739f 100644
--- a/include/configs/picosam9g45.h
+++ b/include/configs/picosam9g45.h
@@ -97,9 +97,6 @@
 #define CONFIG_RESET_PHY_R
 #define CONFIG_AT91_WANTS_COMMON_PHY
 
-/* USB */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
-
 #define CONFIG_SYS_LOAD_ADDR		0x22000000	/* load address */
 
 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
diff --git a/include/configs/poplar.h b/include/configs/poplar.h
index d59f32a..d2ecd0d 100644
--- a/include/configs/poplar.h
+++ b/include/configs/poplar.h
@@ -30,7 +30,6 @@
 #define CONFIG_PL01X_SERIAL
 
 /* USB configuration */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 #define CONFIG_USB_MAX_CONTROLLER_COUNT		2
 #define CONFIG_SYS_USB_EVENT_POLL
 #define CONFIG_USB_HOST_ETHER
diff --git a/include/configs/rk3328_common.h b/include/configs/rk3328_common.h
index 7f9f0c5..906c821 100644
--- a/include/configs/rk3328_common.h
+++ b/include/configs/rk3328_common.h
@@ -63,6 +63,4 @@
 #define CONFIG_USB_OHCI_NEW
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	1
 
-/* xhci host */
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #endif
diff --git a/include/configs/rk3399_common.h b/include/configs/rk3399_common.h
index 6c9d760..3317887 100644
--- a/include/configs/rk3399_common.h
+++ b/include/configs/rk3399_common.h
@@ -80,7 +80,4 @@
 #define CONFIG_USB_ETHER_SMSC95XX
 #define CONFIG_USB_ETHER_RTL8152
 
-/* rockchip xhci host driver */
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
-
 #endif
diff --git a/include/configs/sama5d2_ptc.h b/include/configs/sama5d2_ptc.h
index b25be97..401f198 100644
--- a/include/configs/sama5d2_ptc.h
+++ b/include/configs/sama5d2_ptc.h
@@ -65,10 +65,6 @@
 /* USB */
 #define CONFIG_CMD_USB
 
-#ifdef CONFIG_CMD_USB
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
-#endif
-
 /* USB device */
 #define CONFIG_USB_GADGET
 #define CONFIG_USB_GADGET_DUALSPEED
diff --git a/include/configs/snapper9g45.h b/include/configs/snapper9g45.h
index 2c5f264..47dd991 100644
--- a/include/configs/snapper9g45.h
+++ b/include/configs/snapper9g45.h
@@ -60,9 +60,6 @@
 #define CONFIG_TFTP_PORT
 #define CONFIG_TFTP_TSIZE
 
-/* USB */
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
-
 /* MMC */
 #define CONFIG_GENERIC_ATMEL_MCI
 
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index fefd58f..681c91c 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -310,7 +310,6 @@ extern int soft_i2c_gpio_scl;
 #define CONFIG_USB_OHCI_NEW
 #define CONFIG_USB_OHCI_SUNXI
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 1
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 #endif
 
 #ifdef CONFIG_USB_MUSB_SUNXI
diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h
index a9991fc..fb173eb 100644
--- a/include/configs/tam3517-common.h
+++ b/include/configs/tam3517-common.h
@@ -67,7 +67,6 @@
 					115200}
 /* EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	25
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
 
 /* commands to include */
 #define CONFIG_CMD_NAND		/* NAND support			*/
diff --git a/include/configs/tao3530.h b/include/configs/tao3530.h
index 38f5bd0..08134f4 100644
--- a/include/configs/tao3530.h
+++ b/include/configs/tao3530.h
@@ -228,7 +228,6 @@
 /* USB EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	162
 
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_SMSC95XX
 
diff --git a/include/configs/tegra114-common.h b/include/configs/tegra114-common.h
index 107a0f8..75d2065 100644
--- a/include/configs/tegra114-common.h
+++ b/include/configs/tegra114-common.h
@@ -63,6 +63,5 @@
 /* For USB EHCI controller */
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_USB_EHCI_TXFIFO_THRESH	0x10
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 
 #endif /* _TEGRA114_COMMON_H_ */
diff --git a/include/configs/tegra124-common.h b/include/configs/tegra124-common.h
index 8cf9bac..0d61753 100644
--- a/include/configs/tegra124-common.h
+++ b/include/configs/tegra124-common.h
@@ -65,7 +65,6 @@
 /* For USB EHCI controller */
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_USB_EHCI_TXFIFO_THRESH	0x10
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 
 /* GPU needs setup */
 #define CONFIG_TEGRA_GPU
diff --git a/include/configs/tegra20-common.h b/include/configs/tegra20-common.h
index db1cc24..342ffbe 100644
--- a/include/configs/tegra20-common.h
+++ b/include/configs/tegra20-common.h
@@ -82,7 +82,6 @@
  */
 #define CONFIG_USB_EHCI_TXFIFO_THRESH	10
 #define CONFIG_EHCI_IS_TDI
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 
 #define CONFIG_SYS_NAND_SELF_INIT
 #define CONFIG_SYS_NAND_ONFI_DETECTION
diff --git a/include/configs/tegra210-common.h b/include/configs/tegra210-common.h
index 874fe34d..4c05576 100644
--- a/include/configs/tegra210-common.h
+++ b/include/configs/tegra210-common.h
@@ -68,7 +68,6 @@
 /* For USB EHCI controller */
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_USB_EHCI_TXFIFO_THRESH	0x10
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 
 /* GPU needs setup */
 #define CONFIG_TEGRA_GPU
diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h
index 6083847..c2096fb 100644
--- a/include/configs/tegra30-common.h
+++ b/include/configs/tegra30-common.h
@@ -64,6 +64,5 @@
 /* For USB EHCI controller */
 #define CONFIG_EHCI_IS_TDI
 #define CONFIG_USB_EHCI_TXFIFO_THRESH	0x10
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
 
 #endif /* _TEGRA30_COMMON_H_ */
diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h
index c6122a0..26290ef 100644
--- a/include/configs/ti_armv7_keystone2.h
+++ b/include/configs/ti_armv7_keystone2.h
@@ -193,7 +193,6 @@
 
 /* USB Configuration */
 #define CONFIG_USB_XHCI_KEYSTONE
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_SS_BASE			KS2_USB_SS_BASE
 #define CONFIG_USB_HOST_XHCI_BASE		KS2_USB_HOST_XHCI_BASE
 #define CONFIG_DEV_USB_PHY_BASE			KS2_DEV_USB_PHY_BASE
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index cc65f07..6f53139 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -101,9 +101,6 @@
 #define CONFIG_SYS_NAND_USE_FLASH_BBT
 #define CONFIG_SYS_NAND_BAD_BLOCK_POS			0
 
-/* USB */
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	4
-
 /* SD/MMC */
 #define CONFIG_SUPPORT_EMMC_BOOT
 
diff --git a/include/configs/vinco.h b/include/configs/vinco.h
index dc35b28..adff1b6 100644
--- a/include/configs/vinco.h
+++ b/include/configs/vinco.h
@@ -63,12 +63,6 @@
 
 #endif
 
-/* USB */
-
-#ifdef CONFIG_CMD_USB
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
-#endif
-
 /* USB device */
 #define CONFIG_USB_ETHER
 #define CONFIG_USB_ETH_RNDIS
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
index 1be6974..aa1e505 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -128,7 +128,6 @@
  * USB configuration
  */
 #define CONFIG_USB_EHCI_PCI
-#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS     12
 #define CONFIG_SYS_USB_EVENT_POLL
 
 #define CONFIG_USB_HOST_ETHER
diff --git a/include/configs/xilinx_zynqmp.h b/include/configs/xilinx_zynqmp.h
index c30e37c..7c5ec19 100644
--- a/include/configs/xilinx_zynqmp.h
+++ b/include/configs/xilinx_zynqmp.h
@@ -90,8 +90,6 @@
 #define CONFIG_SYS_LOAD_ADDR		0x8000000
 
 #if defined(CONFIG_ZYNQMP_USB)
-#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS      2
-
 #define CONFIG_SYS_DFU_DATA_BUF_SIZE	0x1800000
 #define DFU_DEFAULT_POLL_TIMEOUT	300
 #define CONFIG_USB_CABLE_CHECK
diff --git a/include/dfu.h b/include/dfu.h
index f39d3f1..7e322d9 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -110,7 +110,7 @@ struct dfu_entity {
 		struct sf_internal_data sf;
 	} data;
 
-	long (*get_medium_size)(struct dfu_entity *dfu);
+	int (*get_medium_size)(struct dfu_entity *dfu, u64 *size);
 
 	int (*read_medium)(struct dfu_entity *dfu,
 			u64 offset, void *buf, long *len);
@@ -132,7 +132,7 @@ struct dfu_entity {
 	u8 *i_buf;
 	u8 *i_buf_start;
 	u8 *i_buf_end;
-	long r_left;
+	u64 r_left;
 	long b_left;
 
 	u32 bad_skip;	/* for nand use */
diff --git a/include/dm/of_access.h b/include/dm/of_access.h
index c5ea391..c49d287 100644
--- a/include/dm/of_access.h
+++ b/include/dm/of_access.h
@@ -353,6 +353,24 @@ int of_parse_phandle_with_args(const struct device_node *np,
 			       int index, struct of_phandle_args *out_args);
 
 /**
+ * of_count_phandle_with_args() - Count the number of phandle in a list
+ *
+ * @np:		pointer to a device tree node containing a list
+ * @list_name:	property name that contains a list
+ * @cells_name:	property name that specifies phandles' arguments count
+ * @return number of phandle found, -ENOENT if
+ *	@list_name does not exist, -EINVAL if a phandle was not found,
+ *	@cells_name could not be found, the arguments were truncated or there
+ *	were too many arguments.
+ *
+ * Returns number of phandle found on success, on error returns appropriate
+ * errno value.
+ *
+ */
+int of_count_phandle_with_args(const struct device_node *np,
+			       const char *list_name, const char *cells_name);
+
+/**
  * of_alias_scan() - Scan all properties of the 'aliases' node
  *
  * The function scans all the properties of the 'aliases' node and populates
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h
index 966ca93..210ddb2 100644
--- a/include/dm/ofnode.h
+++ b/include/dm/ofnode.h
@@ -435,6 +435,23 @@ int ofnode_parse_phandle_with_args(ofnode node, const char *list_name,
 				   struct ofnode_phandle_args *out_args);
 
 /**
+ * ofnode_count_phandle_with_args() - Count number of phandle in a list
+ *
+ * This function is useful to count phandles into a list.
+ * Returns number of phandle on success, on error returns appropriate
+ * errno value.
+ *
+ * @node:	device tree node containing a list
+ * @list_name:	property name that contains a list
+ * @cells_name:	property name that specifies phandles' arguments count
+ * @return number of phandle on success, -ENOENT if @list_name does not
+ *      exist, -EINVAL if a phandle was not found, @cells_name could not
+ *      be found.
+ */
+int ofnode_count_phandle_with_args(ofnode node, const char *list_name,
+				   const char *cells_name);
+
+/**
  * ofnode_path() - find a node by full path
  *
  * @path: Full path to node, e.g. "/bus/spi@1"
diff --git a/include/dm/read.h b/include/dm/read.h
index c2ca7ae..c3a4a56 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -199,6 +199,24 @@ int dev_read_phandle_with_args(struct udevice *dev, const char *list_name,
 				struct ofnode_phandle_args *out_args);
 
 /**
+ * dev_count_phandle_with_args() - Return phandle number in a list
+ *
+ * This function is usefull to get phandle number contained in a property list.
+ * For example, this allows to allocate the right amount of memory to keep
+ * clock's reference contained into the "clocks" property.
+ *
+ *
+ * @dev:	device whose node containing a list
+ * @list_name:	property name that contains a list
+ * @cells_name:	property name that specifies phandles' arguments count
+ * @Returns number of phandle found on success, on error returns appropriate
+ * errno value.
+ */
+
+int dev_count_phandle_with_args(struct udevice *dev, const char *list_name,
+				const char *cells_name);
+
+/**
  * dev_read_addr_cells() - Get the number of address cells for a device's node
  *
  * This walks back up the tree to find the closest #address-cells property
@@ -416,6 +434,13 @@ static inline int dev_read_phandle_with_args(struct udevice *dev,
 					      out_args);
 }
 
+static inline int dev_count_phandle_with_args(struct udevice *dev,
+		const char *list_name, const char *cells_name)
+{
+	return ofnode_count_phandle_with_args(dev_ofnode(dev), list_name,
+					      cells_name);
+}
+
 static inline int dev_read_addr_cells(struct udevice *dev)
 {
 	/* NOTE: this call should walk up the parent stack */
diff --git a/include/generic-phy.h b/include/generic-phy.h
index 762704c..eac5adc 100644
--- a/include/generic-phy.h
+++ b/include/generic-phy.h
@@ -122,6 +122,7 @@ struct phy_ops {
 	int	(*power_off)(struct phy *phy);
 };
 
+#ifdef CONFIG_PHY
 
 /**
  * generic_phy_init() - initialize the PHY port
@@ -220,4 +221,56 @@ int generic_phy_get_by_index(struct udevice *user, int index,
 int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
 			    struct phy *phy);
 
+#else /* CONFIG_PHY */
+
+static inline int generic_phy_init(struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_exit(struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_reset(struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_power_on(struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_power_off(struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_get_by_index(struct udevice *user, int index,
+			     struct phy *phy)
+{
+	return 0;
+}
+
+static inline int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
+			    struct phy *phy)
+{
+	return 0;
+}
+
+#endif /* CONFIG_PHY */
+
+/**
+ * generic_phy_valid() - check if PHY port is valid
+ *
+ * @phy:	the PHY port to check
+ * @return TRUE if valid, or FALSE
+ */
+static inline bool generic_phy_valid(struct phy *phy)
+{
+	return phy->dev != NULL;
+}
+
 #endif /*__GENERIC_PHY_H */
diff --git a/include/reset.h b/include/reset.h
index f45fcf8..7185ade 100644
--- a/include/reset.h
+++ b/include/reset.h
@@ -100,6 +100,15 @@ int reset_get_by_name(struct udevice *dev, const char *name,
 		      struct reset_ctl *reset_ctl);
 
 /**
+ * reset_request - Request a reset signal.
+ *
+ * @reset_ctl:	A reset control struct.
+ *
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_request(struct reset_ctl *reset_ctl);
+
+/**
  * reset_free - Free a previously requested reset signal.
  *
  * @reset_ctl:	A reset control struct that was previously successfully
@@ -135,6 +144,18 @@ int reset_assert(struct reset_ctl *reset_ctl);
  */
 int reset_deassert(struct reset_ctl *reset_ctl);
 
+/**
+ * reset_release_all - Assert/Free an array of previously requested resets.
+ *
+ * For each reset contained in the reset array, this function will check if
+ * reset has been previously requested and then will assert and free it.
+ *
+ * @reset_ctl:	A reset struct array that was previously successfully
+ *		requested by reset_get_by_*().
+ * @count	Number of reset contained in the array
+ * @return 0 if OK, or a negative error code.
+ */
+int reset_release_all(struct reset_ctl *reset_ctl, int count);
 #else
 static inline int reset_get_by_index(struct udevice *dev, int index,
 				     struct reset_ctl *reset_ctl)
@@ -162,6 +183,12 @@ static inline int reset_deassert(struct reset_ctl *reset_ctl)
 {
 	return 0;
 }
+
+static inline int reset_release_all(struct reset_ctl *reset_ctl, int count)
+{
+	return 0;
+}
+
 #endif
 
 #endif
diff --git a/include/usb.h b/include/usb.h
index 62f051f..fad0401 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -537,6 +537,21 @@ struct usb_hub_status {
 	unsigned short wHubChange;
 } __attribute__ ((packed));
 
+/*
+ * Hub Device descriptor
+ * USB Hub class device protocols
+ */
+#define USB_HUB_PR_FS		0 /* Full speed hub */
+#define USB_HUB_PR_HS_NO_TT	0 /* Hi-speed hub without TT */
+#define USB_HUB_PR_HS_SINGLE_TT	1 /* Hi-speed hub with single TT */
+#define USB_HUB_PR_HS_MULTI_TT	2 /* Hi-speed hub with multiple TT */
+#define USB_HUB_PR_SS		3 /* Super speed hub */
+
+/* Transaction Translator Think Times, in bits */
+#define HUB_TTTT_8_BITS		0x00
+#define HUB_TTTT_16_BITS	0x20
+#define HUB_TTTT_24_BITS	0x40
+#define HUB_TTTT_32_BITS	0x60
 
 /* Hub descriptor */
 struct usb_hub_descriptor {
@@ -546,10 +561,20 @@ struct usb_hub_descriptor {
 	unsigned short wHubCharacteristics;
 	unsigned char  bPwrOn2PwrGood;
 	unsigned char  bHubContrCurrent;
-	unsigned char  DeviceRemovable[(USB_MAXCHILDREN+1+7)/8];
-	unsigned char  PortPowerCtrlMask[(USB_MAXCHILDREN+1+7)/8];
-	/* DeviceRemovable and PortPwrCtrlMask want to be variable-length
-	   bitmaps that hold max 255 entries. (bit0 is ignored) */
+	/* 2.0 and 3.0 hubs differ here */
+	union {
+		struct {
+			/* add 1 bit for hub status change; round to bytes */
+			__u8 DeviceRemovable[(USB_MAXCHILDREN + 1 + 7) / 8];
+			__u8 PortPowerCtrlMask[(USB_MAXCHILDREN + 1 + 7) / 8];
+		} __attribute__ ((packed)) hs;
+
+		struct {
+			__u8 bHubHdrDecLat;
+			__le16 wHubDelay;
+			__le16 DeviceRemovable;
+		} __attribute__ ((packed)) ss;
+	} u;
 } __attribute__ ((packed));
 
 
@@ -560,6 +585,8 @@ struct usb_hub_device {
 	ulong connect_timeout;		/* Device connection timeout in ms */
 	ulong query_delay;		/* Device query delay in ms */
 	int overcurrent_count[USB_MAXCHILDREN];	/* Over-current counter */
+	int hub_depth;			/* USB 3.0 hub depth */
+	struct usb_tt tt;		/* Transaction Translator */
 };
 
 #ifdef CONFIG_DM_USB
@@ -731,6 +758,14 @@ struct dm_usb_ops {
 	 * reset_root_port() - Reset usb root port
 	 */
 	int (*reset_root_port)(struct udevice *bus, struct usb_device *udev);
+
+	/**
+	 * update_hub_device() - Update HCD's internal representation of hub
+	 *
+	 * After a hub descriptor is fetched, notify HCD so that its internal
+	 * representation of this hub can be updated (xHCI)
+	 */
+	int (*update_hub_device)(struct udevice *bus, struct usb_device *udev);
 };
 
 #define usb_get_ops(dev)	((struct dm_usb_ops *)(dev)->driver->ops)
@@ -766,6 +801,14 @@ int usb_setup_device(struct usb_device *dev, bool do_read,
 		     struct usb_device *parent);
 
 /**
+ * usb_hub_is_root_hub() - Test whether a hub device is root hub or not
+ *
+ * @hub:	USB hub device to test
+ * @return:	true if the hub device is root hub, false otherwise.
+ */
+bool usb_hub_is_root_hub(struct udevice *hub);
+
+/**
  * usb_hub_scan() - Scan a hub and find its devices
  *
  * @hub:	Hub device to scan
@@ -861,24 +904,6 @@ bool usb_device_has_child_on_port(struct usb_device *parent, int port);
 int usb_hub_probe(struct usb_device *dev, int ifnum);
 void usb_hub_reset(void);
 
-/**
- * legacy_hub_port_reset() - reset a port given its usb_device pointer
- *
- * Reset a hub port and see if a device is present on that port, providing
- * sufficient time for it to show itself. The port status is returned.
- *
- * With driver model this moves to hub_port_reset() and is passed a struct
- * udevice.
- *
- * @dev:	USB device to reset
- * @port:	Port number to reset (note ports are numbered from 0 here)
- * @portstat:	Returns port status
- */
-int legacy_hub_port_reset(struct usb_device *dev, int port,
-			  unsigned short *portstat);
-
-int hub_port_reset(struct udevice *dev, int port, unsigned short *portstat);
-
 /*
  * usb_find_usb2_hub_address_port() - Get hub address and port for TT setting
  *
@@ -914,6 +939,17 @@ int usb_new_device(struct usb_device *dev);
 int usb_alloc_device(struct usb_device *dev);
 
 /**
+ * update_hub_device() - Update HCD's internal representation of hub
+ *
+ * After a hub descriptor is fetched, notify HCD so that its internal
+ * representation of this hub can be updated.
+ *
+ * @dev:		Hub device
+ * @return 0 if OK, -ve on error
+ */
+int usb_update_hub_device(struct usb_device *dev);
+
+/**
  * usb_emul_setup_device() - Set up a new USB device emulation
  *
  * This is normally called when a new emulation device is bound. It tells
@@ -926,7 +962,7 @@ int usb_alloc_device(struct usb_device *dev);
  * @desc_list:		List of points or USB descriptors, terminated by NULL.
  *			The first entry must be struct usb_device_descriptor,
  *			and others follow on after that.
- * @return 0 if OK, -ve on error
+ * @return 0 if OK, -ENOSYS if not implemented, other -ve on error
  */
 int usb_emul_setup_device(struct udevice *dev, int maxpacketsize,
 			  struct usb_string *strings, void **desc_list);
diff --git a/include/usb_defs.h b/include/usb_defs.h
index 8214ba9..b7f2ead 100644
--- a/include/usb_defs.h
+++ b/include/usb_defs.h
@@ -93,6 +93,7 @@
 #define USB_DT_REPORT       (USB_TYPE_CLASS | 0x02)
 #define USB_DT_PHYSICAL     (USB_TYPE_CLASS | 0x03)
 #define USB_DT_HUB          (USB_TYPE_CLASS | 0x09)
+#define USB_DT_SS_HUB       (USB_TYPE_CLASS | 0x0a)
 
 /* Descriptor sizes per descriptor type */
 #define USB_DT_DEVICE_SIZE      18
@@ -261,12 +262,17 @@
 
 /*
  * Changes to wPortStatus bit field in USB 3.0
- * See USB 3.0 spec Table 10-11
+ * See USB 3.0 spec Table 10-10
  */
 #define USB_SS_PORT_STAT_LINK_STATE	0x01e0
 #define USB_SS_PORT_STAT_POWER		0x0200
 #define USB_SS_PORT_STAT_SPEED		0x1c00
 #define USB_SS_PORT_STAT_SPEED_5GBPS	0x0000
+/* Bits that are the same from USB 2.0 */
+#define USB_SS_PORT_STAT_MASK		(USB_PORT_STAT_CONNECTION | \
+					 USB_PORT_STAT_ENABLE | \
+					 USB_PORT_STAT_OVERCURRENT | \
+					 USB_PORT_STAT_RESET)
 
 /* wPortChange bits */
 #define USB_PORT_STAT_C_CONNECTION  0x0001
@@ -287,6 +293,7 @@
 #define HUB_CHAR_LPSM               0x0003
 #define HUB_CHAR_COMPOUND           0x0004
 #define HUB_CHAR_OCPM               0x0018
+#define HUB_CHAR_TTTT               0x0060 /* TT Think Time mask */
 
 /*
  * Hub Status & Hub Change bit masks
@@ -300,6 +307,20 @@
 /* Mask for wIndex in get/set port feature */
 #define USB_HUB_PORT_MASK	0xf
 
+/* Hub class request codes */
+#define USB_REQ_SET_HUB_DEPTH	0x0c
+
+/*
+ * As of USB 2.0, full/low speed devices are segregated into trees.
+ * One type grows from USB 1.1 host controllers (OHCI, UHCI etc).
+ * The other type grows from high speed hubs when they connect to
+ * full/low speed devices using "Transaction Translators" (TTs).
+ */
+struct usb_tt {
+	bool		multi;		/* true means one TT per port */
+	unsigned	think_time;	/* think time in ns */
+};
+
 /*
  * CBI style
  */