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/usr/src/kernels/4.18.0-553.157.1.el8_10.x86_64/drivers/usb/host/Kconfig
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# SPDX-License-Identifier: GPL-2.0 # # USB Host Controller Drivers # comment "USB Host Controller Drivers" config USB_C67X00_HCD tristate "Cypress C67x00 HCD support" depends on HAS_IOMEM help The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role host/peripheral/OTG USB controllers. Enable this option to support this chip in host controller mode. If unsure, say N. To compile this driver as a module, choose M here: the module will be called c67x00. config USB_XHCI_HCD tristate "xHCI HCD (USB 3.0) support" depends on HAS_DMA && HAS_IOMEM ---help--- The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0 "SuperSpeed" host controller hardware. To compile this driver as a module, choose M here: the module will be called xhci-hcd. if USB_XHCI_HCD config USB_XHCI_DBGCAP bool "xHCI support for debug capability" depends on TTY ---help--- Say 'Y' to enable the support for the xHCI debug capability. Make sure that your xHCI host supports the extended debug capability and you want a TTY serial device based on the xHCI debug capability before enabling this option. If unsure, say 'N'. config USB_XHCI_PCI tristate depends on USB_PCI default y config USB_XHCI_PLATFORM tristate "Generic xHCI driver for a platform device" ---help--- Adds an xHCI host driver for a generic platform device, which provides a memory space and an irq. It is also a prerequisite for platform specific drivers that implement some extra quirks. If unsure, say N. config USB_XHCI_HISTB tristate "xHCI support for HiSilicon STB SoCs" depends on USB_XHCI_PLATFORM && (ARCH_HISI || COMPILE_TEST) help Say 'Y' to enable the support for the xHCI host controller found in HiSilicon STB SoCs. config USB_XHCI_MTK tristate "xHCI support for MediaTek SoCs" select MFD_SYSCON depends on (MIPS && SOC_MT7621) || ARCH_MEDIATEK || COMPILE_TEST ---help--- Say 'Y' to enable the support for the xHCI host controller found in MediaTek SoCs. If unsure, say N. config USB_XHCI_MVEBU tristate "xHCI support for Marvell Armada 375/38x/37xx" select USB_XHCI_PLATFORM depends on HAS_IOMEM depends on ARCH_MVEBU || COMPILE_TEST ---help--- Say 'Y' to enable the support for the xHCI host controller found in Marvell Armada 375/38x/37xx ARM SOCs. config USB_XHCI_RCAR tristate "xHCI support for Renesas R-Car SoCs" depends on USB_XHCI_PLATFORM depends on ARCH_RENESAS || COMPILE_TEST default ARCH_RENESAS ---help--- Say 'Y' to enable the support for the xHCI host controller found in Renesas R-Car ARM SoCs. config USB_XHCI_TEGRA tristate "xHCI support for NVIDIA Tegra SoCs" depends on PHY_TEGRA_XUSB depends on RESET_CONTROLLER select FW_LOADER ---help--- Say 'Y' to enable the support for the xHCI host controller found in NVIDIA Tegra124 and later SoCs. endif # USB_XHCI_HCD config USB_EHCI_BRCMSTB tristate config USB_BRCMSTB tristate "Broadcom STB USB support" depends on (ARCH_BRCMSTB && PHY_BRCM_USB) || COMPILE_TEST select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD select USB_EHCI_BRCMSTB if USB_EHCI_HCD select USB_XHCI_PLATFORM if USB_XHCI_HCD help Enables support for XHCI, EHCI and OHCI host controllers found in Broadcom STB SoC's. To compile these drivers as modules, choose M here: the modules will be called ohci-platform.ko, ehci-brcm.ko and xhci-plat-hcd.ko Disabling this will keep the controllers and corresponding PHYs powered down. config USB_EHCI_HCD tristate "EHCI HCD (USB 2.0) support" depends on HAS_DMA && HAS_IOMEM ---help--- The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0 "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware. If your USB host controller supports USB 2.0, you will likely want to configure this Host Controller Driver. EHCI controllers are packaged with "companion" host controllers (OHCI or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports will connect to EHCI if the device is high speed, otherwise they connect to a companion controller. If you configure EHCI, you should probably configure the OHCI (for NEC and some other vendors) USB Host Controller Driver or UHCI (for Via motherboards) Host Controller Driver too. You may want to read <file:Documentation/usb/ehci.txt>. To compile this driver as a module, choose M here: the module will be called ehci-hcd. config USB_EHCI_ROOT_HUB_TT bool "Root Hub Transaction Translators" depends on USB_EHCI_HCD ---help--- Some EHCI chips have vendor-specific extensions to integrate transaction translators, so that no OHCI or UHCI companion controller is needed. It's safe to say "y" even if your controller doesn't support this feature. This supports the EHCI implementation that's originally from ARC, and has since changed hands a few times. config USB_EHCI_TT_NEWSCHED bool "Improved Transaction Translator scheduling" depends on USB_EHCI_HCD default y ---help--- This changes the periodic scheduling code to fill more of the low and full speed bandwidth available from the Transaction Translator (TT) in USB 2.0 hubs. Without this, only one transfer will be issued in each microframe, significantly reducing the number of periodic low/fullspeed transfers possible. If you have multiple periodic low/fullspeed devices connected to a highspeed USB hub which is connected to a highspeed USB Host Controller, and some of those devices will not work correctly (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if you have only one such device and it doesn't work, you could try saying N. If unsure, say Y. if USB_EHCI_HCD config USB_EHCI_PCI tristate depends on USB_PCI default y config USB_EHCI_HCD_PMC_MSP tristate "EHCI support for on-chip PMC MSP71xx USB controller" depends on MSP_HAS_USB select USB_EHCI_BIG_ENDIAN_DESC select USB_EHCI_BIG_ENDIAN_MMIO ---help--- Enables support for the onchip USB controller on the PMC_MSP7100 Family SoC's. If unsure, say N. config XPS_USB_HCD_XILINX bool "Use Xilinx usb host EHCI controller core" depends on (PPC32 || MICROBLAZE) select USB_EHCI_BIG_ENDIAN_DESC select USB_EHCI_BIG_ENDIAN_MMIO ---help--- Xilinx xps USB host controller core is EHCI compliant and has transaction translator built-in. It can be configured to either support both high speed and full speed devices, or high speed devices only. config USB_EHCI_FSL tristate "Support for Freescale on-chip EHCI USB controller" select USB_EHCI_ROOT_HUB_TT ---help--- Variation of ARC USB block used in some Freescale chips. config USB_EHCI_MXC tristate "Support for Freescale i.MX on-chip EHCI USB controller" depends on ARCH_MXC select USB_EHCI_ROOT_HUB_TT ---help--- Variation of ARC USB block used in some Freescale chips. config USB_EHCI_HCD_NPCM7XX tristate "Support for Nuvoton NPCM7XX on-chip EHCI USB controller" depends on (USB_EHCI_HCD && ARCH_NPCM7XX) || COMPILE_TEST default y if (USB_EHCI_HCD && ARCH_NPCM7XX) help Enables support for the on-chip EHCI controller on Nuvoton NPCM7XX chips. config USB_EHCI_HCD_OMAP tristate "EHCI support for OMAP3 and later chips" depends on ARCH_OMAP depends on NOP_USB_XCEIV default y ---help--- Enables support for the on-chip EHCI controller on OMAP3 and later chips. config USB_EHCI_HCD_ORION tristate "Support for Marvell EBU on-chip EHCI USB controller" depends on USB_EHCI_HCD && (PLAT_ORION || ARCH_MVEBU) default y ---help--- Enables support for the on-chip EHCI controller on Marvell's embedded ARM SoCs, including Orion, Kirkwood, Dove, Armada XP, Armada 370. This is different from the EHCI implementation on Marvell's mobile PXA and MMP SoC, see "EHCI support for Marvell PXA/MMP USB controller" for those. config USB_EHCI_HCD_SPEAR tristate "Support for ST SPEAr on-chip EHCI USB controller" depends on USB_EHCI_HCD && PLAT_SPEAR default y ---help--- Enables support for the on-chip EHCI controller on ST SPEAr chips. config USB_EHCI_HCD_STI tristate "Support for ST STiHxxx on-chip EHCI USB controller" depends on ARCH_STI && OF select GENERIC_PHY select USB_EHCI_HCD_PLATFORM help Enable support for the on-chip EHCI controller found on STMicroelectronics consumer electronics SoC's. config USB_EHCI_HCD_AT91 tristate "Support for Atmel on-chip EHCI USB controller" depends on USB_EHCI_HCD && ARCH_AT91 default y ---help--- Enables support for the on-chip EHCI controller on Atmel chips. config USB_EHCI_TEGRA tristate "NVIDIA Tegra HCD support" depends on ARCH_TEGRA select USB_EHCI_ROOT_HUB_TT select USB_TEGRA_PHY help This driver enables support for the internal USB Host Controllers found in NVIDIA Tegra SoCs. The controllers are EHCI compliant. config USB_EHCI_HCD_PPC_OF bool "EHCI support for PPC USB controller on OF platform bus" depends on PPC default y ---help--- Enables support for the USB controller present on the PowerPC OpenFirmware platform bus. config USB_EHCI_SH bool "EHCI support for SuperH USB controller" depends on SUPERH ---help--- Enables support for the on-chip EHCI controller on the SuperH. If you use the PCI EHCI controller, this option is not necessary. config USB_EHCI_EXYNOS tristate "EHCI support for Samsung S5P/EXYNOS SoC Series" depends on ARCH_S5PV210 || ARCH_EXYNOS help Enable support for the Samsung Exynos SOC's on-chip EHCI controller. config USB_EHCI_MV tristate "EHCI support for Marvell PXA/MMP USB controller" depends on (ARCH_PXA || ARCH_MMP) select USB_EHCI_ROOT_HUB_TT ---help--- Enables support for Marvell (including PXA and MMP series) on-chip USB SPH and OTG controller. SPH is a single port host, and it can only be EHCI host. OTG is controller that can switch to host mode. Note that this driver will not work on Marvell's other EHCI controller used by the EBU-type SoCs including Orion, Kirkwood, Dova, Armada 370 and Armada XP. See "Support for Marvell EBU on-chip EHCI USB controller" for those. config USB_CNS3XXX_EHCI bool "Cavium CNS3XXX EHCI Module (DEPRECATED)" depends on ARCH_CNS3XXX select USB_EHCI_HCD_PLATFORM ---help--- This option is deprecated now and the driver was removed, use USB_EHCI_HCD_PLATFORM instead. Enable support for the CNS3XXX SOC's on-chip EHCI controller. It is needed for high-speed (480Mbit/sec) USB 2.0 device support. config USB_EHCI_HCD_PLATFORM tristate "Generic EHCI driver for a platform device" ---help--- Adds an EHCI host driver for a generic platform device, which provides a memory space and an irq. If unsure, say N. config USB_OCTEON_EHCI bool "Octeon on-chip EHCI support (DEPRECATED)" depends on CAVIUM_OCTEON_SOC select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN select USB_EHCI_HCD_PLATFORM help This option is deprecated now and the driver was removed, use USB_EHCI_HCD_PLATFORM instead. Enable support for the Octeon II SOC's on-chip EHCI controller. It is needed for high-speed (480Mbit/sec) USB 2.0 device support. All CN6XXX based chips with USB are supported. endif # USB_EHCI_HCD config USB_OXU210HP_HCD tristate "OXU210HP HCD support" depends on HAS_IOMEM ---help--- The OXU210HP is an USB host/OTG/device controller. Enable this option if your board has this chip. If unsure, say N. This driver does not support isochronous transfers and doesn't implement OTG nor USB device controllers. To compile this driver as a module, choose M here: the module will be called oxu210hp-hcd. config USB_ISP116X_HCD tristate "ISP116X HCD support" depends on HAS_IOMEM ---help--- The ISP1160 and ISP1161 chips are USB host controllers. Enable this option if your board has this chip. If unsure, say N. This driver does not support isochronous transfers. To compile this driver as a module, choose M here: the module will be called isp116x-hcd. config USB_ISP1362_HCD tristate "ISP1362 HCD support" depends on HAS_IOMEM depends on COMPILE_TEST # nothing uses this ---help--- Supports the Philips ISP1362 chip as a host controller This driver does not support isochronous transfers. To compile this driver as a module, choose M here: the module will be called isp1362-hcd. config USB_FOTG210_HCD tristate "FOTG210 HCD support" depends on USB && HAS_DMA && HAS_IOMEM ---help--- Faraday FOTG210 is an OTG controller which can be configured as an USB2.0 host. It is designed to meet USB2.0 EHCI specification with minor modification. To compile this driver as a module, choose M here: the module will be called fotg210-hcd. config USB_MAX3421_HCD tristate "MAX3421 HCD (USB-over-SPI) support" depends on USB && SPI ---help--- The Maxim MAX3421E chip supports standard USB 2.0-compliant full-speed devices either in host or peripheral mode. This driver supports the host-mode of the MAX3421E only. To compile this driver as a module, choose M here: the module will be called max3421-hcd. config USB_OHCI_HCD tristate "OHCI HCD (USB 1.1) support" depends on HAS_DMA && HAS_IOMEM ---help--- The Open Host Controller Interface (OHCI) is a standard for accessing USB 1.1 host controller hardware. It does more in hardware than Intel's UHCI specification. If your USB host controller follows the OHCI spec, say Y. On most non-x86 systems, and on x86 hardware that's not using a USB controller from Intel or VIA, this is appropriate. If your host controller doesn't use PCI, this is probably appropriate. For a PCI based system where you're not sure, the "lspci -v" entry will list the right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI. To compile this driver as a module, choose M here: the module will be called ohci-hcd. if USB_OHCI_HCD config USB_OHCI_HCD_OMAP1 tristate "OHCI support for OMAP1/2 chips" depends on ARCH_OMAP1 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3) default y ---help--- Enables support for the OHCI controller on OMAP1/2 chips. config USB_OHCI_HCD_SPEAR tristate "Support for ST SPEAr on-chip OHCI USB controller" depends on USB_OHCI_HCD && PLAT_SPEAR default y ---help--- Enables support for the on-chip OHCI controller on ST SPEAr chips. config USB_OHCI_HCD_STI tristate "Support for ST STiHxxx on-chip OHCI USB controller" depends on ARCH_STI && OF select GENERIC_PHY select USB_OHCI_HCD_PLATFORM help Enable support for the on-chip OHCI controller found on STMicroelectronics consumer electronics SoC's. config USB_OHCI_HCD_S3C2410 tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series" depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX) default y ---help--- Enables support for the on-chip OHCI controller on S3C24xx/S3C64xx chips. config USB_OHCI_HCD_LPC32XX tristate "Support for LPC on-chip OHCI USB controller" depends on USB_OHCI_HCD depends on ARCH_LPC32XX || COMPILE_TEST depends on USB_ISP1301 default y ---help--- Enables support for the on-chip OHCI controller on NXP chips. config USB_OHCI_HCD_PXA27X tristate "Support for PXA27X/PXA3XX on-chip OHCI USB controller" depends on USB_OHCI_HCD && (PXA27x || PXA3xx) default y ---help--- Enables support for the on-chip OHCI controller on PXA27x/PXA3xx chips. config USB_OHCI_HCD_AT91 tristate "Support for Atmel on-chip OHCI USB controller" depends on USB_OHCI_HCD && ARCH_AT91 && OF default y ---help--- Enables support for the on-chip OHCI controller on Atmel chips. config USB_OHCI_HCD_OMAP3 tristate "OHCI support for OMAP3 and later chips" depends on (ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5) select USB_OHCI_HCD_PLATFORM default y help This option is deprecated now and the driver was removed, use USB_OHCI_HCD_PLATFORM instead. Enables support for the on-chip OHCI controller on OMAP3 and later chips. config USB_OHCI_HCD_DAVINCI tristate "OHCI support for TI DaVinci DA8xx" depends on ARCH_DAVINCI_DA8XX depends on USB_OHCI_HCD select PHY_DA8XX_USB default y help Enables support for the DaVinci DA8xx integrated OHCI controller. This driver cannot currently be a loadable module because it lacks a proper PHY abstraction. config USB_OHCI_HCD_PPC_OF_BE bool "OHCI support for OF platform bus (big endian)" depends on PPC select USB_OHCI_BIG_ENDIAN_DESC select USB_OHCI_BIG_ENDIAN_MMIO ---help--- Enables support for big-endian USB controllers present on the OpenFirmware platform bus. config USB_OHCI_HCD_PPC_OF_LE bool "OHCI support for OF platform bus (little endian)" depends on PPC select USB_OHCI_LITTLE_ENDIAN ---help--- Enables support for little-endian USB controllers present on the OpenFirmware platform bus. config USB_OHCI_HCD_PPC_OF bool depends on PPC default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE config USB_OHCI_HCD_PCI tristate "OHCI support for PCI-bus USB controllers" depends on USB_PCI default y select USB_OHCI_LITTLE_ENDIAN ---help--- Enables support for PCI-bus plug-in USB controller cards. If unsure, say Y. config USB_OHCI_HCD_SSB bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)" depends on (SSB = y || SSB = USB_OHCI_HCD) select USB_HCD_SSB select USB_OHCI_HCD_PLATFORM ---help--- This option is deprecated now and the driver was removed, use USB_HCD_SSB and USB_OHCI_HCD_PLATFORM instead. Support for the Sonics Silicon Backplane (SSB) attached Broadcom USB OHCI core. This device is present in some embedded devices with Broadcom based SSB bus. If unsure, say N. config USB_OHCI_EXYNOS tristate "OHCI support for Samsung S5P/EXYNOS SoC Series" depends on ARCH_S5PV210 || ARCH_EXYNOS help Enable support for the Samsung Exynos SOC's on-chip OHCI controller. config USB_CNS3XXX_OHCI bool "Cavium CNS3XXX OHCI Module (DEPRECATED)" depends on ARCH_CNS3XXX select USB_OHCI_HCD_PLATFORM ---help--- This option is deprecated now and the driver was removed, use USB_OHCI_HCD_PLATFORM instead. Enable support for the CNS3XXX SOC's on-chip OHCI controller. It is needed for low-speed USB 1.0 device support. config USB_OHCI_HCD_PLATFORM tristate "Generic OHCI driver for a platform device" ---help--- Adds an OHCI host driver for a generic platform device, which provides a memory space and an irq. If unsure, say N. config USB_OCTEON_OHCI bool "Octeon on-chip OHCI support (DEPRECATED)" depends on CAVIUM_OCTEON_SOC default USB_OCTEON_EHCI select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN select USB_OHCI_LITTLE_ENDIAN select USB_OHCI_HCD_PLATFORM help This option is deprecated now and the driver was removed, use USB_OHCI_HCD_PLATFORM instead. Enable support for the Octeon II SOC's on-chip OHCI controller. It is needed for low-speed USB 1.0 device support. All CN6XXX based chips with USB are supported. endif # USB_OHCI_HCD config USB_UHCI_HCD tristate "UHCI HCD (most Intel and VIA) support" depends on USB_PCI || USB_UHCI_SUPPORT_NON_PCI_HC ---help--- The Universal Host Controller Interface is a standard by Intel for accessing the USB hardware in the PC (which is also called the USB host controller). If your USB host controller conforms to this standard, you may want to say Y, but see below. All recent boards with Intel PCI chipsets (like intel 430TX, 440FX, 440LX, 440BX, i810, i820) conform to this standard. Also all VIA PCI chipsets (like VIA VP2, VP3, MVP3, Apollo Pro, Apollo Pro II or Apollo Pro 133) and LEON/GRLIB SoCs with the GRUSBHC controller. If unsure, say Y. To compile this driver as a module, choose M here: the module will be called uhci-hcd. config USB_UHCI_SUPPORT_NON_PCI_HC bool default y if (SPARC_LEON || USB_UHCI_PLATFORM) config USB_UHCI_PLATFORM bool default y if (ARCH_VT8500 || ARCH_ASPEED) config USB_UHCI_ASPEED bool default y if ARCH_ASPEED config USB_FHCI_HCD tristate "Freescale QE USB Host Controller support" depends on OF_GPIO && QE_GPIO && QUICC_ENGINE select FSL_GTM select QE_USB help This driver enables support for Freescale QE USB Host Controller (as found on MPC8360 and MPC8323 processors), the driver supports Full and Low Speed USB. config FHCI_DEBUG bool "Freescale QE USB Host Controller debug support" depends on USB_FHCI_HCD && DEBUG_FS help Say "y" to see some FHCI debug information and statistics through debugfs. config USB_SL811_HCD tristate "SL811HS HCD support" depends on HAS_IOMEM help The SL811HS is a single-port USB controller that supports either host side or peripheral side roles. Enable this option if your board has this chip, and you want to use it as a host controller. If unsure, say N. To compile this driver as a module, choose M here: the module will be called sl811-hcd. config USB_SL811_HCD_ISO bool "partial ISO support" depends on USB_SL811_HCD help The driver doesn't support iso_frame_desc (yet), but for some simple devices that just queue one ISO frame per URB, then ISO transfers "should" work using the normal urb status fields. If unsure, say N. config USB_SL811_CS tristate "CF/PCMCIA support for SL811HS HCD" depends on USB_SL811_HCD && PCMCIA help Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC REX-CFU1U CF card (often used with PDAs). If unsure, say N. To compile this driver as a module, choose M here: the module will be called "sl811_cs". config USB_R8A66597_HCD tristate "R8A66597 HCD support" depends on HAS_IOMEM help The R8A66597 is a USB 2.0 host and peripheral controller. Enable this option if your board has this chip, and you want to use it as a host controller. If unsure, say N. To compile this driver as a module, choose M here: the module will be called r8a66597-hcd. config USB_RENESAS_USBHS_HCD tristate "Renesas USBHS HCD support" depends on USB_RENESAS_USBHS help The Renesas USBHS is a USB 2.0 host and peripheral controller. Enable this option if your board has this chip, and you want to use it as a host controller. If unsure, say N. To compile this driver as a module, choose M here: the module will be called renesas-usbhs. config USB_WHCI_HCD tristate "Wireless USB Host Controller Interface (WHCI) driver" depends on USB_PCI && USB && UWB select USB_WUSB select UWB_WHCI help A driver for PCI-based Wireless USB Host Controllers that are compliant with the WHCI specification. To compile this driver a module, choose M here: the module will be called "whci-hcd". config USB_HWA_HCD tristate "Host Wire Adapter (HWA) driver" depends on USB && UWB select USB_WUSB select UWB_HWA help This driver enables you to connect Wireless USB devices to your system using a Host Wire Adaptor USB dongle. This is an UWB Radio Controller and WUSB Host Controller connected to your machine via USB (specified in WUSB1.0). To compile this driver a module, choose M here: the module will be called "hwa-hc". config USB_IMX21_HCD tristate "i.MX21 HCD support" depends on ARM && ARCH_MXC help This driver enables support for the on-chip USB host in the i.MX21 processor. To compile this driver as a module, choose M here: the module will be called "imx21-hcd". config USB_HCD_BCMA tristate "BCMA usb host driver" depends on BCMA select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD help Enable support for the EHCI and OCHI host controller on an bcma bus. It converts the bcma driver into two platform device drivers for ehci and ohci. If unsure, say N. config USB_HCD_SSB tristate "SSB usb host driver" depends on SSB select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD help Enable support for the EHCI and OCHI host controller on an bcma bus. It converts the bcma driver into two platform device drivers for ehci and ohci. If unsure, say N. config USB_HCD_TEST_MODE bool "HCD test mode support" ---help--- Say 'Y' to enable additional software test modes that may be supported by the host controller drivers. One such test mode is the Embedded High-speed Host Electrical Test (EHSET) for EHCI host controller hardware, specifically the "Single Step Set Feature" test. Typically this will be enabled for On-the-Go or embedded hosts that need to undergo USB-IF compliance testing with the aid of special testing hardware. In the future, this may expand to include other tests that require support from a HCD driver. This option is of interest only to developers who need to validate their USB hardware designs. It is not needed for normal use. If unsure, say N.
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