11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# USB Host Controller Drivers 31da177e4SLinus Torvalds# 41da177e4SLinus Torvaldscomment "USB Host Controller Drivers" 51da177e4SLinus Torvalds depends on USB 61da177e4SLinus Torvalds 7e9b29ffcSPeter Korsgaardconfig USB_C67X00_HCD 8e9b29ffcSPeter Korsgaard tristate "Cypress C67x00 HCD support" 9e9b29ffcSPeter Korsgaard depends on USB 10e9b29ffcSPeter Korsgaard help 11e9b29ffcSPeter Korsgaard The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role 12e9b29ffcSPeter Korsgaard host/peripheral/OTG USB controllers. 13e9b29ffcSPeter Korsgaard 14e9b29ffcSPeter Korsgaard Enable this option to support this chip in host controller mode. 15e9b29ffcSPeter Korsgaard If unsure, say N. 16e9b29ffcSPeter Korsgaard 17e9b29ffcSPeter Korsgaard To compile this driver as a module, choose M here: the 18e9b29ffcSPeter Korsgaard module will be called c67x00. 19e9b29ffcSPeter Korsgaard 20eb6bab13SSarah Sharpconfig USB_XHCI_HCD 21eb83be98SGreg Kroah-Hartman tristate "xHCI HCD (USB 3.0) support" 22eb83be98SGreg Kroah-Hartman depends on USB && USB_ARCH_HAS_XHCI 23eb6bab13SSarah Sharp ---help--- 24eb6bab13SSarah Sharp The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0 25eb6bab13SSarah Sharp "SuperSpeed" host controller hardware. 26eb6bab13SSarah Sharp 27eb6bab13SSarah Sharp To compile this driver as a module, choose M here: the 28eb6bab13SSarah Sharp module will be called xhci-hcd. 29eb6bab13SSarah Sharp 303429e91aSSebastian Andrzej Siewiorconfig USB_XHCI_PLATFORM 313429e91aSSebastian Andrzej Siewior tristate 323429e91aSSebastian Andrzej Siewior depends on USB_XHCI_HCD 333429e91aSSebastian Andrzej Siewior 34eb6bab13SSarah Sharpconfig USB_XHCI_HCD_DEBUGGING 35eb6bab13SSarah Sharp bool "Debugging for the xHCI host controller" 36eb6bab13SSarah Sharp depends on USB_XHCI_HCD 37eb6bab13SSarah Sharp ---help--- 38eb6bab13SSarah Sharp Say 'Y' to turn on debugging for the xHCI host controller driver. 39eb6bab13SSarah Sharp This will spew debugging output, even in interrupt context. 40eb6bab13SSarah Sharp This should only be used for debugging xHCI driver bugs. 41eb6bab13SSarah Sharp 42eb6bab13SSarah Sharp If unsure, say N. 43eb6bab13SSarah Sharp 441da177e4SLinus Torvaldsconfig USB_EHCI_HCD 451da177e4SLinus Torvalds tristate "EHCI HCD (USB 2.0) support" 4676fa9a24SJordan Crouse depends on USB && USB_ARCH_HAS_EHCI 471da177e4SLinus Torvalds ---help--- 481da177e4SLinus Torvalds The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 491da177e4SLinus Torvalds "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. 501da177e4SLinus Torvalds If your USB host controller supports USB 2.0, you will likely want to 51b967c88eSThierry Vignaud configure this Host Controller Driver. 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds EHCI controllers are packaged with "companion" host controllers (OHCI 541da177e4SLinus Torvalds or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports 55b3c29d85SJesper Juhl will connect to EHCI if the device is high speed, otherwise they 561da177e4SLinus Torvalds connect to a companion controller. If you configure EHCI, you should 571da177e4SLinus Torvalds probably configure the OHCI (for NEC and some other vendors) USB Host 581da177e4SLinus Torvalds Controller Driver or UHCI (for Via motherboards) Host Controller 591da177e4SLinus Torvalds Driver too. 601da177e4SLinus Torvalds 611da177e4SLinus Torvalds You may want to read <file:Documentation/usb/ehci.txt>. 621da177e4SLinus Torvalds 631da177e4SLinus Torvalds To compile this driver as a module, choose M here: the 641da177e4SLinus Torvalds module will be called ehci-hcd. 651da177e4SLinus Torvalds 661da177e4SLinus Torvaldsconfig USB_EHCI_ROOT_HUB_TT 679ec249a6SRobert P. J. Day bool "Root Hub Transaction Translators" 68b12909b5SMarek Vasut depends on USB_EHCI_HCD || USB_CHIPIDEA_HOST 691da177e4SLinus Torvalds ---help--- 701da177e4SLinus Torvalds Some EHCI chips have vendor-specific extensions to integrate 711da177e4SLinus Torvalds transaction translators, so that no OHCI or UHCI companion 721da177e4SLinus Torvalds controller is needed. It's safe to say "y" even if your 731da177e4SLinus Torvalds controller doesn't support this feature. 741da177e4SLinus Torvalds 75ba47f66bSDan Streetman This supports the EHCI implementation that's originally 76ba47f66bSDan Streetman from ARC, and has since changed hands a few times. 77ba47f66bSDan Streetman 78ba47f66bSDan Streetmanconfig USB_EHCI_TT_NEWSCHED 7937cd681cSAlan Stern bool "Improved Transaction Translator scheduling" 80b12909b5SMarek Vasut depends on USB_EHCI_HCD || USB_CHIPIDEA_HOST 8137cd681cSAlan Stern default y 82ba47f66bSDan Streetman ---help--- 83ba47f66bSDan Streetman This changes the periodic scheduling code to fill more of the low 84ba47f66bSDan Streetman and full speed bandwidth available from the Transaction Translator 85ba47f66bSDan Streetman (TT) in USB 2.0 hubs. Without this, only one transfer will be 86ba47f66bSDan Streetman issued in each microframe, significantly reducing the number of 87ba47f66bSDan Streetman periodic low/fullspeed transfers possible. 88ba47f66bSDan Streetman 89ba47f66bSDan Streetman If you have multiple periodic low/fullspeed devices connected to a 90ba47f66bSDan Streetman highspeed USB hub which is connected to a highspeed USB Host 91ba47f66bSDan Streetman Controller, and some of those devices will not work correctly 9237cd681cSAlan Stern (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if 9337cd681cSAlan Stern you have only one such device and it doesn't work, you could try 9437cd681cSAlan Stern saying N. 95ba47f66bSDan Streetman 9637cd681cSAlan Stern If unsure, say Y. 971da177e4SLinus Torvalds 9822ced687SAnoopconfig USB_EHCI_HCD_PMC_MSP 9922ced687SAnoop tristate "EHCI support for on-chip PMC MSP71xx USB controller" 10022ced687SAnoop depends on USB_EHCI_HCD && MSP_HAS_USB 10122ced687SAnoop default n 10222ced687SAnoop select USB_EHCI_BIG_ENDIAN_DESC 10322ced687SAnoop select USB_EHCI_BIG_ENDIAN_MMIO 10422ced687SAnoop ---help--- 10522ced687SAnoop Enables support for the onchip USB controller on the PMC_MSP7100 Family SoC's. 10622ced687SAnoop If unsure, say N. 10722ced687SAnoop 108083522d7SBenjamin Herrenschmidtconfig USB_EHCI_BIG_ENDIAN_MMIO 109083522d7SBenjamin Herrenschmidt bool 1101643accdSDavid Daney depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX || \ 1111643accdSDavid Daney ARCH_IXP4XX || XPS_USB_HCD_XILINX || \ 11222ced687SAnoop PPC_MPC512x || CPU_CAVIUM_OCTEON || \ 113c256667fSSteven J. Hill PMC_MSP || SPARC_LEON || MIPS_SEAD3) 1144d68c0beSStefan Roese default y 115083522d7SBenjamin Herrenschmidt 1166dbd682bSStefan Roeseconfig USB_EHCI_BIG_ENDIAN_DESC 1176dbd682bSStefan Roese bool 118230f7edeSAnatolij Gustschin depends on USB_EHCI_HCD && (440EPX || ARCH_IXP4XX || XPS_USB_HCD_XILINX || \ 119c256667fSSteven J. Hill PPC_MPC512x || PMC_MSP || SPARC_LEON || \ 120c256667fSSteven J. Hill MIPS_SEAD3) 1214d68c0beSStefan Roese default y 1226dbd682bSStefan Roese 12308d3c18eSJulie Zhuconfig XPS_USB_HCD_XILINX 12408d3c18eSJulie Zhu bool "Use Xilinx usb host EHCI controller core" 12508d3c18eSJulie Zhu depends on USB_EHCI_HCD && (PPC32 || MICROBLAZE) 12608d3c18eSJulie Zhu select USB_EHCI_BIG_ENDIAN_DESC 12708d3c18eSJulie Zhu select USB_EHCI_BIG_ENDIAN_MMIO 12808d3c18eSJulie Zhu ---help--- 12908d3c18eSJulie Zhu Xilinx xps USB host controller core is EHCI compilant and has 13008d3c18eSJulie Zhu transaction translator built-in. It can be configured to either 13108d3c18eSJulie Zhu support both high speed and full speed devices, or high speed 13208d3c18eSJulie Zhu devices only. 13308d3c18eSJulie Zhu 134126512e3SAnatolij Gustschinconfig USB_FSL_MPH_DR_OF 135126512e3SAnatolij Gustschin tristate 136126512e3SAnatolij Gustschin 137ba02978aSLi Yangconfig USB_EHCI_FSL 138c0ca9bc5SFabio Estevam bool "Support for Freescale PPC on-chip EHCI USB controller" 139b5937a41SAnton Vorontsov depends on USB_EHCI_HCD && FSL_SOC 140ba02978aSLi Yang select USB_EHCI_ROOT_HUB_TT 141018b97d0SMarc Kleine-Budde select USB_FSL_MPH_DR_OF if OF 142ba02978aSLi Yang ---help--- 143ba02978aSLi Yang Variation of ARC USB block used in some Freescale chips. 144ba02978aSLi Yang 1457e8d5cd9SDaniel Mackconfig USB_EHCI_MXC 146c0ca9bc5SFabio Estevam bool "Support for Freescale i.MX on-chip EHCI USB controller" 1477e8d5cd9SDaniel Mack depends on USB_EHCI_HCD && ARCH_MXC 1487e8d5cd9SDaniel Mack select USB_EHCI_ROOT_HUB_TT 1497e8d5cd9SDaniel Mack ---help--- 1507e8d5cd9SDaniel Mack Variation of ARC USB block used in some Freescale chips. 1517e8d5cd9SDaniel Mack 1527f124f4bSKeshava Munegowdaconfig USB_EHCI_HCD_OMAP 1537f124f4bSKeshava Munegowda bool "EHCI support for OMAP3 and later chips" 1547f124f4bSKeshava Munegowda depends on USB_EHCI_HCD && ARCH_OMAP 1557f124f4bSKeshava Munegowda default y 1567f124f4bSKeshava Munegowda ---help--- 1577f124f4bSKeshava Munegowda Enables support for the on-chip EHCI controller on 1587f124f4bSKeshava Munegowda OMAP3 and later chips. 1597f124f4bSKeshava Munegowda 160b0848aeaSPavankumar Kondeticonfig USB_EHCI_MSM 161b0848aeaSPavankumar Kondeti bool "Support for MSM on-chip EHCI USB controller" 162b0848aeaSPavankumar Kondeti depends on USB_EHCI_HCD && ARCH_MSM 163b0848aeaSPavankumar Kondeti select USB_EHCI_ROOT_HUB_TT 164dfb2130cSPavankumar Kondeti select USB_MSM_OTG 165b0848aeaSPavankumar Kondeti ---help--- 166b0848aeaSPavankumar Kondeti Enables support for the USB Host controller present on the 167b0848aeaSPavankumar Kondeti Qualcomm chipsets. Root Hub has inbuilt TT. 168b0848aeaSPavankumar Kondeti This driver depends on OTG driver for PHY initialization, 1698bb6a164SPavankumar Kondeti clock management, powering up VBUS, and power management. 1708cf28f1fSPavankumar Kondeti This driver is not supported on boards like trout which 1718cf28f1fSPavankumar Kondeti has an external PHY. 172b0848aeaSPavankumar Kondeti 17379ad3b5aSBenoit Gobyconfig USB_EHCI_TEGRA 17479ad3b5aSBenoit Goby boolean "NVIDIA Tegra HCD support" 17579ad3b5aSBenoit Goby depends on USB_EHCI_HCD && ARCH_TEGRA 17679ad3b5aSBenoit Goby select USB_EHCI_ROOT_HUB_TT 17779ad3b5aSBenoit Goby help 17879ad3b5aSBenoit Goby This driver enables support for the internal USB Host Controllers 17979ad3b5aSBenoit Goby found in NVIDIA Tegra SoCs. The controllers are EHCI compliant. 18079ad3b5aSBenoit Goby 181da0e8fb0SValentine Barshakconfig USB_EHCI_HCD_PPC_OF 182da0e8fb0SValentine Barshak bool "EHCI support for PPC USB controller on OF platform bus" 183da0e8fb0SValentine Barshak depends on USB_EHCI_HCD && PPC_OF 184da0e8fb0SValentine Barshak default y 185da0e8fb0SValentine Barshak ---help--- 186da0e8fb0SValentine Barshak Enables support for the USB controller present on the PowerPC 187da0e8fb0SValentine Barshak OpenFirmware platform bus. 188da0e8fb0SValentine Barshak 18960b0bf0fSYoshihiro Shimodaconfig USB_EHCI_SH 19060b0bf0fSYoshihiro Shimoda bool "EHCI support for SuperH USB controller" 19160b0bf0fSYoshihiro Shimoda depends on USB_EHCI_HCD && SUPERH 19260b0bf0fSYoshihiro Shimoda ---help--- 19360b0bf0fSYoshihiro Shimoda Enables support for the on-chip EHCI controller on the SuperH. 19460b0bf0fSYoshihiro Shimoda If you use the PCI EHCI controller, this option is not necessary. 19560b0bf0fSYoshihiro Shimoda 1961bcc5aa8SJoonyoung Shimconfig USB_EHCI_S5P 1971bcc5aa8SJoonyoung Shim boolean "S5P EHCI support" 1981bcc5aa8SJoonyoung Shim depends on USB_EHCI_HCD && PLAT_S5P 1991bcc5aa8SJoonyoung Shim help 2001bcc5aa8SJoonyoung Shim Enable support for the S5P SOC's on-chip EHCI controller. 2011bcc5aa8SJoonyoung Shim 2023a082ec9SNeil Zhangconfig USB_EHCI_MV 2033a082ec9SNeil Zhang bool "EHCI support for Marvell on-chip controller" 204a219b666SNeil Zhang depends on USB_EHCI_HCD && (ARCH_PXA || ARCH_MMP) 2053a082ec9SNeil Zhang select USB_EHCI_ROOT_HUB_TT 2063a082ec9SNeil Zhang ---help--- 2073a082ec9SNeil Zhang Enables support for Marvell (including PXA and MMP series) on-chip 2083a082ec9SNeil Zhang USB SPH and OTG controller. SPH is a single port host, and it can 2093a082ec9SNeil Zhang only be EHCI host. OTG is controller that can switch to host mode. 2103a082ec9SNeil Zhang 211586dfc8cSWan ZongShunconfig USB_W90X900_EHCI 212586dfc8cSWan ZongShun bool "W90X900(W90P910) EHCI support" 213586dfc8cSWan ZongShun depends on USB_EHCI_HCD && ARCH_W90X900 214586dfc8cSWan ZongShun ---help--- 215586dfc8cSWan ZongShun Enables support for the W90X900 USB controller 216586dfc8cSWan ZongShun 217760efe69SMac Linconfig USB_CNS3XXX_EHCI 218f3a958d3SFlorian Fainelli bool "Cavium CNS3XXX EHCI Module (DEPRECATED)" 219760efe69SMac Lin depends on USB_EHCI_HCD && ARCH_CNS3XXX 220f3a958d3SFlorian Fainelli select USB_EHCI_HCD_PLATFORM 221760efe69SMac Lin ---help--- 222f3a958d3SFlorian Fainelli This option is deprecated now and the driver was removed, use 223f3a958d3SFlorian Fainelli USB_EHCI_HCD_PLATFORM instead. 224f3a958d3SFlorian Fainelli 225760efe69SMac Lin Enable support for the CNS3XXX SOC's on-chip EHCI controller. 226760efe69SMac Lin It is needed for high-speed (480Mbit/sec) USB 2.0 device 227760efe69SMac Lin support. 228760efe69SMac Lin 229502fa841SGabor Juhosconfig USB_EHCI_ATH79 2305d98cd4eSHauke Mehrtens bool "EHCI support for AR7XXX/AR9XXX SoCs (DEPRECATED)" 2319d6b204fSGabor Juhos depends on USB_EHCI_HCD && (SOC_AR71XX || SOC_AR724X || SOC_AR913X || SOC_AR933X) 232502fa841SGabor Juhos select USB_EHCI_ROOT_HUB_TT 2335d98cd4eSHauke Mehrtens select USB_EHCI_HCD_PLATFORM 234502fa841SGabor Juhos default y 235502fa841SGabor Juhos ---help--- 2365d98cd4eSHauke Mehrtens This option is deprecated now and the driver was removed, use 2375d98cd4eSHauke Mehrtens USB_EHCI_HCD_PLATFORM instead. 2385d98cd4eSHauke Mehrtens 239502fa841SGabor Juhos Enables support for the built-in EHCI controller present 240502fa841SGabor Juhos on the Atheros AR7XXX/AR9XXX SoCs. 241502fa841SGabor Juhos 242b92a78e5SRodolfo Giometticonfig USB_OXU210HP_HCD 243b92a78e5SRodolfo Giometti tristate "OXU210HP HCD support" 244b92a78e5SRodolfo Giometti depends on USB 245b92a78e5SRodolfo Giometti ---help--- 246b92a78e5SRodolfo Giometti The OXU210HP is an USB host/OTG/device controller. Enable this 247b92a78e5SRodolfo Giometti option if your board has this chip. If unsure, say N. 248b92a78e5SRodolfo Giometti 249b92a78e5SRodolfo Giometti This driver does not support isochronous transfers and doesn't 250b92a78e5SRodolfo Giometti implement OTG nor USB device controllers. 251b92a78e5SRodolfo Giometti 252b92a78e5SRodolfo Giometti To compile this driver as a module, choose M here: the 253b92a78e5SRodolfo Giometti module will be called oxu210hp-hcd. 254b92a78e5SRodolfo Giometti 2554808a1c0SOlav Kongasconfig USB_ISP116X_HCD 2564808a1c0SOlav Kongas tristate "ISP116X HCD support" 2574808a1c0SOlav Kongas depends on USB 2584808a1c0SOlav Kongas ---help--- 2594808a1c0SOlav Kongas The ISP1160 and ISP1161 chips are USB host controllers. Enable this 2604808a1c0SOlav Kongas option if your board has this chip. If unsure, say N. 2614808a1c0SOlav Kongas 2624808a1c0SOlav Kongas This driver does not support isochronous transfers. 2634808a1c0SOlav Kongas 2644808a1c0SOlav Kongas To compile this driver as a module, choose M here: the 2654808a1c0SOlav Kongas module will be called isp116x-hcd. 2664808a1c0SOlav Kongas 267db11e47dSSebastian Siewiorconfig USB_ISP1760_HCD 268db11e47dSSebastian Siewior tristate "ISP 1760 HCD support" 269eb83be98SGreg Kroah-Hartman depends on USB 270db11e47dSSebastian Siewior ---help--- 271db11e47dSSebastian Siewior The ISP1760 chip is a USB 2.0 host controller. 272db11e47dSSebastian Siewior 273db11e47dSSebastian Siewior This driver does not support isochronous transfers or OTG. 274ff30bf1cSSebastian Andrzej Siewior This USB controller is usually attached to a non-DMA-Master 275ff30bf1cSSebastian Andrzej Siewior capable bus. NXP's eval kit brings this chip on PCI card 276ff30bf1cSSebastian Andrzej Siewior where the chip itself is behind a PLB to simulate such 277ff30bf1cSSebastian Andrzej Siewior a bus. 278db11e47dSSebastian Siewior 279db11e47dSSebastian Siewior To compile this driver as a module, choose M here: the 280ff30bf1cSSebastian Andrzej Siewior module will be called isp1760. 281db11e47dSSebastian Siewior 282a9d43091SLothar Wassmannconfig USB_ISP1362_HCD 283a9d43091SLothar Wassmann tristate "ISP1362 HCD support" 284a9d43091SLothar Wassmann depends on USB 285a9d43091SLothar Wassmann default N 286a9d43091SLothar Wassmann ---help--- 287a9d43091SLothar Wassmann Supports the Philips ISP1362 chip as a host controller 288a9d43091SLothar Wassmann 289a9d43091SLothar Wassmann This driver does not support isochronous transfers. 290a9d43091SLothar Wassmann 291a9d43091SLothar Wassmann To compile this driver as a module, choose M here: the 292a9d43091SLothar Wassmann module will be called isp1362-hcd. 293a9d43091SLothar Wassmann 2941da177e4SLinus Torvaldsconfig USB_OHCI_HCD 2951da177e4SLinus Torvalds tristate "OHCI HCD support" 2961da177e4SLinus Torvalds depends on USB && USB_ARCH_HAS_OHCI 2971da177e4SLinus Torvalds select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 2982bf5fa13SDavid Brownell select USB_OTG_UTILS if ARCH_OMAP 29961464c83SLinus Torvalds depends on USB_ISP1301 || !ARCH_LPC32XX 3001da177e4SLinus Torvalds ---help--- 3011da177e4SLinus Torvalds The Open Host Controller Interface (OHCI) is a standard for accessing 3021da177e4SLinus Torvalds USB 1.1 host controller hardware. It does more in hardware than Intel's 3031da177e4SLinus Torvalds UHCI specification. If your USB host controller follows the OHCI spec, 3041da177e4SLinus Torvalds say Y. On most non-x86 systems, and on x86 hardware that's not using a 3051da177e4SLinus Torvalds USB controller from Intel or VIA, this is appropriate. If your host 3061da177e4SLinus Torvalds controller doesn't use PCI, this is probably appropriate. For a PCI 3071da177e4SLinus Torvalds based system where you're not sure, the "lspci -v" entry will list the 3081da177e4SLinus Torvalds right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI. 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds To compile this driver as a module, choose M here: the 3111da177e4SLinus Torvalds module will be called ohci-hcd. 3121da177e4SLinus Torvalds 313968b448bSAnand Gadiyarconfig USB_OHCI_HCD_OMAP1 314968b448bSAnand Gadiyar bool "OHCI support for OMAP1/2 chips" 315b924b204STony Lindgren depends on USB_OHCI_HCD && ARCH_OMAP1 316968b448bSAnand Gadiyar default y 317968b448bSAnand Gadiyar ---help--- 318968b448bSAnand Gadiyar Enables support for the OHCI controller on OMAP1/2 chips. 319968b448bSAnand Gadiyar 320968b448bSAnand Gadiyarconfig USB_OHCI_HCD_OMAP3 321968b448bSAnand Gadiyar bool "OHCI support for OMAP3 and later chips" 322968b448bSAnand Gadiyar depends on USB_OHCI_HCD && (ARCH_OMAP3 || ARCH_OMAP4) 323968b448bSAnand Gadiyar default y 324968b448bSAnand Gadiyar ---help--- 325968b448bSAnand Gadiyar Enables support for the on-chip OHCI controller on 326968b448bSAnand Gadiyar OMAP3 and later chips. 327968b448bSAnand Gadiyar 32890e6ca5cSGabor Juhosconfig USB_OHCI_ATH79 3295d98cd4eSHauke Mehrtens bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)" 33090e6ca5cSGabor Juhos depends on USB_OHCI_HCD && (SOC_AR71XX || SOC_AR724X) 3315d98cd4eSHauke Mehrtens select USB_OHCI_HCD_PLATFORM 33290e6ca5cSGabor Juhos default y 33390e6ca5cSGabor Juhos help 3345d98cd4eSHauke Mehrtens This option is deprecated now and the driver was removed, use 3355d98cd4eSHauke Mehrtens USB_OHCI_HCD_PLATFORM instead. 3365d98cd4eSHauke Mehrtens 33790e6ca5cSGabor Juhos Enables support for the built-in OHCI controller present on the 33890e6ca5cSGabor Juhos Atheros AR71XX/AR7240 SoCs. 33990e6ca5cSGabor Juhos 340495a678fSSylvain Munautconfig USB_OHCI_HCD_PPC_OF_BE 34145e83889SArnd Bergmann bool "OHCI support for OF platform bus (big endian)" 34245e83889SArnd Bergmann depends on USB_OHCI_HCD && PPC_OF 343495a678fSSylvain Munaut select USB_OHCI_BIG_ENDIAN_DESC 344495a678fSSylvain Munaut select USB_OHCI_BIG_ENDIAN_MMIO 34545e83889SArnd Bergmann ---help--- 34645e83889SArnd Bergmann Enables support for big-endian USB controllers present on the 34745e83889SArnd Bergmann OpenFirmware platform bus. 348495a678fSSylvain Munaut 349495a678fSSylvain Munautconfig USB_OHCI_HCD_PPC_OF_LE 35045e83889SArnd Bergmann bool "OHCI support for OF platform bus (little endian)" 35145e83889SArnd Bergmann depends on USB_OHCI_HCD && PPC_OF 352495a678fSSylvain Munaut select USB_OHCI_LITTLE_ENDIAN 35345e83889SArnd Bergmann ---help--- 35445e83889SArnd Bergmann Enables support for little-endian USB controllers present on the 35545e83889SArnd Bergmann OpenFirmware platform bus. 35645e83889SArnd Bergmann 35745e83889SArnd Bergmannconfig USB_OHCI_HCD_PPC_OF 35845e83889SArnd Bergmann bool 35945e83889SArnd Bergmann depends on USB_OHCI_HCD && PPC_OF 36045e83889SArnd Bergmann default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE 361495a678fSSylvain Munaut 3621da177e4SLinus Torvaldsconfig USB_OHCI_HCD_PCI 3631da177e4SLinus Torvalds bool "OHCI support for PCI-bus USB controllers" 364495a678fSSylvain Munaut depends on USB_OHCI_HCD && PCI && (STB03xxx || PPC_MPC52xx || USB_OHCI_HCD_PPC_OF) 3651da177e4SLinus Torvalds default y 3661da177e4SLinus Torvalds select USB_OHCI_LITTLE_ENDIAN 3671da177e4SLinus Torvalds ---help--- 3681da177e4SLinus Torvalds Enables support for PCI-bus plug-in USB controller cards. 3691da177e4SLinus Torvalds If unsure, say Y. 3701da177e4SLinus Torvalds 371c604e851SMichael Bueschconfig USB_OHCI_HCD_SSB 372259b83a3SHauke Mehrtens bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)" 373eb83be98SGreg Kroah-Hartman depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD) 374259b83a3SHauke Mehrtens select USB_HCD_SSB 375259b83a3SHauke Mehrtens select USB_OHCI_HCD_PLATFORM 376c604e851SMichael Buesch default n 377c604e851SMichael Buesch ---help--- 378259b83a3SHauke Mehrtens This option is deprecated now and the driver was removed, use 379259b83a3SHauke Mehrtens USB_HCD_SSB and USB_OHCI_HCD_PLATFORM instead. 380259b83a3SHauke Mehrtens 381c604e851SMichael Buesch Support for the Sonics Silicon Backplane (SSB) attached 382c604e851SMichael Buesch Broadcom USB OHCI core. 383c604e851SMichael Buesch 384c604e851SMichael Buesch This device is present in some embedded devices with 385c604e851SMichael Buesch Broadcom based SSB bus. 386c604e851SMichael Buesch 387c604e851SMichael Buesch If unsure, say N. 388c604e851SMichael Buesch 38960b0bf0fSYoshihiro Shimodaconfig USB_OHCI_SH 390*231a72e0SFlorian Fainelli bool "OHCI support for SuperH USB controller (DEPRECATED)" 39160b0bf0fSYoshihiro Shimoda depends on USB_OHCI_HCD && SUPERH 392*231a72e0SFlorian Fainelli select USB_OHCI_HCD_PLATFORM 39360b0bf0fSYoshihiro Shimoda ---help--- 394*231a72e0SFlorian Fainelli This option is deprecated now and the driver was removed, use 395*231a72e0SFlorian Fainelli USB_OHCI_HCD_PLATFORM instead. 396*231a72e0SFlorian Fainelli 39760b0bf0fSYoshihiro Shimoda Enables support for the on-chip OHCI controller on the SuperH. 39860b0bf0fSYoshihiro Shimoda If you use the PCI OHCI controller, this option is not necessary. 39960b0bf0fSYoshihiro Shimoda 40062194244SJingoo Hanconfig USB_OHCI_EXYNOS 40162194244SJingoo Han boolean "OHCI support for Samsung EXYNOS SoC Series" 40262194244SJingoo Han depends on USB_OHCI_HCD && ARCH_EXYNOS 40362194244SJingoo Han help 40462194244SJingoo Han Enable support for the Samsung Exynos SOC's on-chip OHCI controller. 40562194244SJingoo Han 406760efe69SMac Linconfig USB_CNS3XXX_OHCI 407c23920b0SFlorian Fainelli bool "Cavium CNS3XXX OHCI Module (DEPRECATED)" 408760efe69SMac Lin depends on USB_OHCI_HCD && ARCH_CNS3XXX 409c23920b0SFlorian Fainelli select USB_OHCI_HCD_PLATFORM 410760efe69SMac Lin ---help--- 411c23920b0SFlorian Fainelli This option is deprecated now and the driver was removed, use 412c23920b0SFlorian Fainelli USB_OHCI_HCD_PLATFORM instead. 413c23920b0SFlorian Fainelli 414760efe69SMac Lin Enable support for the CNS3XXX SOC's on-chip OHCI controller. 415760efe69SMac Lin It is needed for low-speed USB 1.0 device support. 416760efe69SMac Lin 417fa3364b5SHauke Mehrtensconfig USB_OHCI_HCD_PLATFORM 418fa3364b5SHauke Mehrtens bool "Generic OHCI driver for a platform device" 419eb83be98SGreg Kroah-Hartman depends on USB_OHCI_HCD 420fa3364b5SHauke Mehrtens default n 421fa3364b5SHauke Mehrtens ---help--- 422fa3364b5SHauke Mehrtens Adds an OHCI host driver for a generic platform device, which 423898d828bSPeter Meerwald provides a memory space and an irq. 424fa3364b5SHauke Mehrtens 425fa3364b5SHauke Mehrtens If unsure, say N. 426fa3364b5SHauke Mehrtens 4277a7a4a59SHauke Mehrtensconfig USB_EHCI_HCD_PLATFORM 4287a7a4a59SHauke Mehrtens bool "Generic EHCI driver for a platform device" 429eb83be98SGreg Kroah-Hartman depends on USB_EHCI_HCD 4307a7a4a59SHauke Mehrtens default n 4317a7a4a59SHauke Mehrtens ---help--- 4327a7a4a59SHauke Mehrtens Adds an EHCI host driver for a generic platform device, which 433898d828bSPeter Meerwald provides a memory space and an irq. 4347a7a4a59SHauke Mehrtens 4357a7a4a59SHauke Mehrtens If unsure, say N. 4367a7a4a59SHauke Mehrtens 43711d1a4aaSBenjamin Herrenschmidtconfig USB_OHCI_BIG_ENDIAN_DESC 43811d1a4aaSBenjamin Herrenschmidt bool 43911d1a4aaSBenjamin Herrenschmidt depends on USB_OHCI_HCD 44011d1a4aaSBenjamin Herrenschmidt default n 44111d1a4aaSBenjamin Herrenschmidt 44211d1a4aaSBenjamin Herrenschmidtconfig USB_OHCI_BIG_ENDIAN_MMIO 4431da177e4SLinus Torvalds bool 4441da177e4SLinus Torvalds depends on USB_OHCI_HCD 4451da177e4SLinus Torvalds default n 4461da177e4SLinus Torvalds 4471da177e4SLinus Torvaldsconfig USB_OHCI_LITTLE_ENDIAN 4481da177e4SLinus Torvalds bool 4491da177e4SLinus Torvalds depends on USB_OHCI_HCD 4501da177e4SLinus Torvalds default n if STB03xxx || PPC_MPC52xx 4511da177e4SLinus Torvalds default y 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvaldsconfig USB_UHCI_HCD 4541da177e4SLinus Torvalds tristate "UHCI HCD (most Intel and VIA) support" 455100d4597STony Prisk depends on USB && (PCI || SPARC_LEON || ARCH_VT8500) 4561da177e4SLinus Torvalds ---help--- 4571da177e4SLinus Torvalds The Universal Host Controller Interface is a standard by Intel for 4581da177e4SLinus Torvalds accessing the USB hardware in the PC (which is also called the USB 4591da177e4SLinus Torvalds host controller). If your USB host controller conforms to this 4601da177e4SLinus Torvalds standard, you may want to say Y, but see below. All recent boards 4611da177e4SLinus Torvalds with Intel PCI chipsets (like intel 430TX, 440FX, 440LX, 440BX, 4621da177e4SLinus Torvalds i810, i820) conform to this standard. Also all VIA PCI chipsets 4631da177e4SLinus Torvalds (like VIA VP2, VP3, MVP3, Apollo Pro, Apollo Pro II or Apollo Pro 4643db7739cSJan Andersson 133) and LEON/GRLIB SoCs with the GRUSBHC controller. 4653db7739cSJan Andersson If unsure, say Y. 4661da177e4SLinus Torvalds 4671da177e4SLinus Torvalds To compile this driver as a module, choose M here: the 4681da177e4SLinus Torvalds module will be called uhci-hcd. 4691da177e4SLinus Torvalds 470d3219d1cSJan Anderssonconfig USB_UHCI_SUPPORT_NON_PCI_HC 471d3219d1cSJan Andersson bool 472d3219d1cSJan Andersson depends on USB_UHCI_HCD 473100d4597STony Prisk default y if (SPARC_LEON || ARCH_VT8500) 474100d4597STony Prisk 475100d4597STony Priskconfig USB_UHCI_PLATFORM 476100d4597STony Prisk bool "Generic UHCI Platform Driver support" 477100d4597STony Prisk depends on USB_UHCI_SUPPORT_NON_PCI_HC 478100d4597STony Prisk default y if ARCH_VT8500 479100d4597STony Prisk ---help--- 480100d4597STony Prisk Enable support for generic UHCI platform devices that require no 481100d4597STony Prisk additional configuration. 482d3219d1cSJan Andersson 4838452c674SJan Anderssonconfig USB_UHCI_BIG_ENDIAN_MMIO 4848452c674SJan Andersson bool 485fda928acSJan Andersson depends on USB_UHCI_SUPPORT_NON_PCI_HC && SPARC_LEON 486fda928acSJan Andersson default y 4878452c674SJan Andersson 48851e2f62fSJan Anderssonconfig USB_UHCI_BIG_ENDIAN_DESC 48951e2f62fSJan Andersson bool 490fda928acSJan Andersson depends on USB_UHCI_SUPPORT_NON_PCI_HC && SPARC_LEON 491fda928acSJan Andersson default y 49251e2f62fSJan Andersson 493236dd4d1SAnton Vorontsovconfig USB_FHCI_HCD 494236dd4d1SAnton Vorontsov tristate "Freescale QE USB Host Controller support" 495236dd4d1SAnton Vorontsov depends on USB && OF_GPIO && QE_GPIO && QUICC_ENGINE 496236dd4d1SAnton Vorontsov select FSL_GTM 497236dd4d1SAnton Vorontsov select QE_USB 498236dd4d1SAnton Vorontsov help 499236dd4d1SAnton Vorontsov This driver enables support for Freescale QE USB Host Controller 500236dd4d1SAnton Vorontsov (as found on MPC8360 and MPC8323 processors), the driver supports 501236dd4d1SAnton Vorontsov Full and Low Speed USB. 502236dd4d1SAnton Vorontsov 503236dd4d1SAnton Vorontsovconfig FHCI_DEBUG 504236dd4d1SAnton Vorontsov bool "Freescale QE USB Host Controller debug support" 505236dd4d1SAnton Vorontsov depends on USB_FHCI_HCD && DEBUG_FS 506236dd4d1SAnton Vorontsov help 507236dd4d1SAnton Vorontsov Say "y" to see some FHCI debug information and statistics 50825985edcSLucas De Marchi through debugfs. 509236dd4d1SAnton Vorontsov 510d774efeaSTony Olechconfig USB_U132_HCD 511d774efeaSTony Olech tristate "Elan U132 Adapter Host Controller" 512d774efeaSTony Olech depends on USB && USB_FTDI_ELAN 513d774efeaSTony Olech default M 514d774efeaSTony Olech help 515d774efeaSTony Olech The U132 adapter is a USB to CardBus adapter specifically designed 516d774efeaSTony Olech for PC cards that contain an OHCI host controller. Typical PC cards 517d774efeaSTony Olech are the Orange Mobile 3G Option GlobeTrotter Fusion card. The U132 518d774efeaSTony Olech adapter will *NOT* work with PC cards that do not contain an OHCI 519d774efeaSTony Olech controller. 520d774efeaSTony Olech 5213cb2fcccSMatt LaPlante For those PC cards that contain multiple OHCI controllers only the 522d774efeaSTony Olech first one is used. 523d774efeaSTony Olech 524d774efeaSTony Olech The driver consists of two modules, the "ftdi-elan" module is a 525d774efeaSTony Olech USB client driver that interfaces to the FTDI chip within ELAN's 526d774efeaSTony Olech USB-to-PCMCIA adapter, and this "u132-hcd" module is a USB host 527d774efeaSTony Olech controller driver that talks to the OHCI controller within the 528d774efeaSTony Olech CardBus cards that are inserted in the U132 adapter. 529d774efeaSTony Olech 530d774efeaSTony Olech This driver has been tested with a CardBus OHCI USB adapter, and 531d774efeaSTony Olech worked with a USB PEN Drive inserted into the first USB port of 532d774efeaSTony Olech the PCCARD. A rather pointless thing to do, but useful for testing. 533d774efeaSTony Olech 534d774efeaSTony Olech It is safe to say M here. 535d774efeaSTony Olech 536d774efeaSTony Olech See also <http://www.elandigitalsystems.com/support/ufaq/u132linux.php> 537d774efeaSTony Olech 5381da177e4SLinus Torvaldsconfig USB_SL811_HCD 5391da177e4SLinus Torvalds tristate "SL811HS HCD support" 5401da177e4SLinus Torvalds depends on USB 5411da177e4SLinus Torvalds help 5421da177e4SLinus Torvalds The SL811HS is a single-port USB controller that supports either 5431da177e4SLinus Torvalds host side or peripheral side roles. Enable this option if your 5441da177e4SLinus Torvalds board has this chip, and you want to use it as a host controller. 5451da177e4SLinus Torvalds If unsure, say N. 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds To compile this driver as a module, choose M here: the 5481da177e4SLinus Torvalds module will be called sl811-hcd. 5491da177e4SLinus Torvalds 550ad7c56f0SMike Frysingerconfig USB_SL811_HCD_ISO 551ad7c56f0SMike Frysinger bool "partial ISO support" 552ad7c56f0SMike Frysinger depends on USB_SL811_HCD 553ad7c56f0SMike Frysinger help 554ad7c56f0SMike Frysinger The driver doesn't support iso_frame_desc (yet), but for some simple 555ad7c56f0SMike Frysinger devices that just queue one ISO frame per URB, then ISO transfers 556ad7c56f0SMike Frysinger "should" work using the normal urb status fields. 557ad7c56f0SMike Frysinger 558ad7c56f0SMike Frysinger If unsure, say N. 559ad7c56f0SMike Frysinger 560c6de2b64SDavid Brownellconfig USB_SL811_CS 561c6de2b64SDavid Brownell tristate "CF/PCMCIA support for SL811HS HCD" 562c6de2b64SDavid Brownell depends on USB_SL811_HCD && PCMCIA 563c6de2b64SDavid Brownell help 564c6de2b64SDavid Brownell Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC 565c6de2b64SDavid Brownell REX-CFU1U CF card (often used with PDAs). If unsure, say N. 566c6de2b64SDavid Brownell 567c6de2b64SDavid Brownell To compile this driver as a module, choose M here: the 568c6de2b64SDavid Brownell module will be called "sl811_cs". 569c6de2b64SDavid Brownell 5705d304358SYoshihiro Shimodaconfig USB_R8A66597_HCD 571fa0de2b6SM4rkusXXL tristate "R8A66597 HCD support" 5725d304358SYoshihiro Shimoda depends on USB 5735d304358SYoshihiro Shimoda help 5745d304358SYoshihiro Shimoda The R8A66597 is a USB 2.0 host and peripheral controller. 5755d304358SYoshihiro Shimoda 5765d304358SYoshihiro Shimoda Enable this option if your board has this chip, and you want 5775d304358SYoshihiro Shimoda to use it as a host controller. If unsure, say N. 5785d304358SYoshihiro Shimoda 5795d304358SYoshihiro Shimoda To compile this driver as a module, choose M here: the 5805d304358SYoshihiro Shimoda module will be called r8a66597-hcd. 5815d304358SYoshihiro Shimoda 582034d7c13SKuninori Morimotoconfig USB_RENESAS_USBHS_HCD 583034d7c13SKuninori Morimoto tristate "Renesas USBHS HCD support" 584034d7c13SKuninori Morimoto depends on USB 585034d7c13SKuninori Morimoto depends on USB_RENESAS_USBHS 586034d7c13SKuninori Morimoto help 587034d7c13SKuninori Morimoto The Renesas USBHS is a USB 2.0 host and peripheral controller. 588034d7c13SKuninori Morimoto 589034d7c13SKuninori Morimoto Enable this option if your board has this chip, and you want 590034d7c13SKuninori Morimoto to use it as a host controller. If unsure, say N. 591034d7c13SKuninori Morimoto 592034d7c13SKuninori Morimoto To compile this driver as a module, choose M here: the 593034d7c13SKuninori Morimoto module will be called renesas-usbhs. 594034d7c13SKuninori Morimoto 5957e6133aaSDavid Vrabelconfig USB_WHCI_HCD 596eb83be98SGreg Kroah-Hartman tristate "Wireless USB Host Controller Interface (WHCI) driver" 59736f8ecbfSRandy Dunlap depends on PCI && USB && UWB 5987e6133aaSDavid Vrabel select USB_WUSB 5997e6133aaSDavid Vrabel select UWB_WHCI 6007e6133aaSDavid Vrabel help 6017e6133aaSDavid Vrabel A driver for PCI-based Wireless USB Host Controllers that are 6027e6133aaSDavid Vrabel compliant with the WHCI specification. 6037e6133aaSDavid Vrabel 6047e6133aaSDavid Vrabel To compile this driver a module, choose M here: the module 6057e6133aaSDavid Vrabel will be called "whci-hcd". 606d09318b8SInaky Perez-Gonzalez 607d09318b8SInaky Perez-Gonzalezconfig USB_HWA_HCD 608eb83be98SGreg Kroah-Hartman tristate "Host Wire Adapter (HWA) driver" 60936f8ecbfSRandy Dunlap depends on USB && UWB 610d09318b8SInaky Perez-Gonzalez select USB_WUSB 611d09318b8SInaky Perez-Gonzalez select UWB_HWA 612d09318b8SInaky Perez-Gonzalez help 613d09318b8SInaky Perez-Gonzalez This driver enables you to connect Wireless USB devices to 614d09318b8SInaky Perez-Gonzalez your system using a Host Wire Adaptor USB dongle. This is an 615d09318b8SInaky Perez-Gonzalez UWB Radio Controller and WUSB Host Controller connected to 616d09318b8SInaky Perez-Gonzalez your machine via USB (specified in WUSB1.0). 617d09318b8SInaky Perez-Gonzalez 618d09318b8SInaky Perez-Gonzalez To compile this driver a module, choose M here: the module 619d09318b8SInaky Perez-Gonzalez will be called "hwa-hc". 62023d3e7a6SMartin Fuzzey 62123d3e7a6SMartin Fuzzeyconfig USB_IMX21_HCD 6225de9ec4dSSascha Hauer tristate "i.MX21 HCD support" 6235de9ec4dSSascha Hauer depends on USB && ARM && ARCH_MXC 62423d3e7a6SMartin Fuzzey help 62523d3e7a6SMartin Fuzzey This driver enables support for the on-chip USB host in the 6265de9ec4dSSascha Hauer i.MX21 processor. 62723d3e7a6SMartin Fuzzey 62823d3e7a6SMartin Fuzzey To compile this driver as a module, choose M here: the 62923d3e7a6SMartin Fuzzey module will be called "imx21-hcd". 63023d3e7a6SMartin Fuzzey 6311643accdSDavid Daneyconfig USB_OCTEON_EHCI 6321643accdSDavid Daney bool "Octeon on-chip EHCI support" 6331643accdSDavid Daney depends on USB && USB_EHCI_HCD && CPU_CAVIUM_OCTEON 6341643accdSDavid Daney default n 6351643accdSDavid Daney select USB_EHCI_BIG_ENDIAN_MMIO 6361643accdSDavid Daney help 6371643accdSDavid Daney Enable support for the Octeon II SOC's on-chip EHCI 6381643accdSDavid Daney controller. It is needed for high-speed (480Mbit/sec) 6391643accdSDavid Daney USB 2.0 device support. All CN6XXX based chips with USB are 6401643accdSDavid Daney supported. 6411643accdSDavid Daney 6421643accdSDavid Daneyconfig USB_OCTEON_OHCI 6431643accdSDavid Daney bool "Octeon on-chip OHCI support" 6441643accdSDavid Daney depends on USB && USB_OHCI_HCD && CPU_CAVIUM_OCTEON 6451643accdSDavid Daney default USB_OCTEON_EHCI 6461643accdSDavid Daney select USB_OHCI_BIG_ENDIAN_MMIO 6471643accdSDavid Daney select USB_OHCI_LITTLE_ENDIAN 6481643accdSDavid Daney help 6491643accdSDavid Daney Enable support for the Octeon II SOC's on-chip OHCI 6501643accdSDavid Daney controller. It is needed for low-speed USB 1.0 device 6511643accdSDavid Daney support. All CN6XXX based chips with USB are supported. 6521643accdSDavid Daney 6531643accdSDavid Daneyconfig USB_OCTEON2_COMMON 6541643accdSDavid Daney bool 6551643accdSDavid Daney default y if USB_OCTEON_EHCI || USB_OCTEON_OHCI 65662e11d1bSHauke Mehrtens 65762e11d1bSHauke Mehrtensconfig USB_HCD_BCMA 65862e11d1bSHauke Mehrtens tristate "BCMA usb host driver" 659eb83be98SGreg Kroah-Hartman depends on BCMA 66062e11d1bSHauke Mehrtens select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD 66162e11d1bSHauke Mehrtens select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD 66262e11d1bSHauke Mehrtens help 66371c421dbSJesper Dangaard Brouer Enable support for the EHCI and OCHI host controller on an bcma bus. 66462e11d1bSHauke Mehrtens It converts the bcma driver into two platform device drivers 66562e11d1bSHauke Mehrtens for ehci and ohci. 66662e11d1bSHauke Mehrtens 66762e11d1bSHauke Mehrtens If unsure, say N. 6687043c2ccSHauke Mehrtens 6697043c2ccSHauke Mehrtensconfig USB_HCD_SSB 6707043c2ccSHauke Mehrtens tristate "SSB usb host driver" 671eb83be98SGreg Kroah-Hartman depends on SSB 6727043c2ccSHauke Mehrtens select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD 6737043c2ccSHauke Mehrtens select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD 6747043c2ccSHauke Mehrtens help 67571c421dbSJesper Dangaard Brouer Enable support for the EHCI and OCHI host controller on an bcma bus. 6767043c2ccSHauke Mehrtens It converts the bcma driver into two platform device drivers 6777043c2ccSHauke Mehrtens for ehci and ohci. 6787043c2ccSHauke Mehrtens 6797043c2ccSHauke Mehrtens If unsure, say N. 680