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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# USB Host Controller Drivers
3#
4comment "USB Host Controller Drivers"
Linus Torvalds1da177e2005-04-16 15:20:36 -07005
Peter Korsgaarde9b29ff2008-04-27 08:59:45 +02006config USB_C67X00_HCD
7 tristate "Cypress C67x00 HCD support"
Peter Korsgaarde9b29ff2008-04-27 08:59:45 +02008 help
9 The Cypress C67x00 (EZ-Host/EZ-OTG) chips are dual-role
10 host/peripheral/OTG USB controllers.
11
12 Enable this option to support this chip in host controller mode.
13 If unsure, say N.
14
15 To compile this driver as a module, choose M here: the
16 module will be called c67x00.
17
Sarah Sharpeb6bab12009-04-29 19:07:13 -070018config USB_XHCI_HCD
Greg Kroah-Hartmaneb83be92012-09-14 21:15:50 -070019 tristate "xHCI HCD (USB 3.0) support"
Sarah Sharpeb6bab12009-04-29 19:07:13 -070020 ---help---
21 The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0
22 "SuperSpeed" host controller hardware.
23
24 To compile this driver as a module, choose M here: the
25 module will be called xhci-hcd.
26
Florian Fainelli0fcb9982013-04-09 14:29:29 +020027if USB_XHCI_HCD
28
Andrew Bresticker29e409f2014-10-03 11:35:29 +030029config USB_XHCI_PCI
30 tristate
31 depends on PCI
32 default y
33
Sebastian Andrzej Siewior3429e912012-03-13 16:57:41 +020034config USB_XHCI_PLATFORM
Rafał Miłecki6c05cb12015-08-06 19:23:57 +030035 tristate "Generic xHCI driver for a platform device"
36 ---help---
37 Adds an xHCI host driver for a generic platform device, which
38 provides a memory space and an irq.
39 It is also a prerequisite for platform specific drivers that
40 implement some extra quirks.
41
42 If unsure, say N.
Sebastian Andrzej Siewior3429e912012-03-13 16:57:41 +020043
Gregory CLEMENT97374792014-05-15 12:17:33 +020044config USB_XHCI_MVEBU
45 tristate "xHCI support for Marvell Armada 375/38x"
46 select USB_XHCI_PLATFORM
47 depends on ARCH_MVEBU || COMPILE_TEST
48 ---help---
49 Say 'Y' to enable the support for the xHCI host controller
50 found in Marvell Armada 375/38x ARM SOCs.
51
Yoshihiro Shimoda4ac89182014-07-09 10:08:52 +090052config USB_XHCI_RCAR
53 tristate "xHCI support for Renesas R-Car SoCs"
54 select USB_XHCI_PLATFORM
55 depends on ARCH_SHMOBILE || COMPILE_TEST
56 ---help---
57 Say 'Y' to enable the support for the xHCI host controller
58 found in Renesas R-Car ARM SoCs.
59
Florian Fainelli0fcb9982013-04-09 14:29:29 +020060endif # USB_XHCI_HCD
61
Linus Torvalds1da177e2005-04-16 15:20:36 -070062config USB_EHCI_HCD
63 tristate "EHCI HCD (USB 2.0) support"
Linus Torvalds1da177e2005-04-16 15:20:36 -070064 ---help---
65 The Enhanced Host Controller Interface (EHCI) is standard for USB 2.0
66 "high speed" (480 Mbit/sec, 60 Mbyte/sec) host controller hardware.
67 If your USB host controller supports USB 2.0, you will likely want to
Thierry Vignaudb967c882009-02-11 13:31:05 -080068 configure this Host Controller Driver.
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70 EHCI controllers are packaged with "companion" host controllers (OHCI
71 or UHCI) to handle USB 1.1 devices connected to root hub ports. Ports
Jesper Juhlb3c29d82006-01-10 00:35:22 +010072 will connect to EHCI if the device is high speed, otherwise they
Linus Torvalds1da177e2005-04-16 15:20:36 -070073 connect to a companion controller. If you configure EHCI, you should
74 probably configure the OHCI (for NEC and some other vendors) USB Host
75 Controller Driver or UHCI (for Via motherboards) Host Controller
76 Driver too.
77
78 You may want to read <file:Documentation/usb/ehci.txt>.
79
80 To compile this driver as a module, choose M here: the
81 module will be called ehci-hcd.
82
Linus Torvalds1da177e2005-04-16 15:20:36 -070083config USB_EHCI_ROOT_HUB_TT
Robert P. J. Day9ec249a2008-03-08 03:27:44 -050084 bool "Root Hub Transaction Translators"
Peter Chena746c282013-09-17 12:37:18 +080085 depends on USB_EHCI_HCD
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 ---help---
87 Some EHCI chips have vendor-specific extensions to integrate
88 transaction translators, so that no OHCI or UHCI companion
89 controller is needed. It's safe to say "y" even if your
90 controller doesn't support this feature.
91
Dan Streetmanba47f662006-05-24 09:39:16 -070092 This supports the EHCI implementation that's originally
93 from ARC, and has since changed hands a few times.
94
95config USB_EHCI_TT_NEWSCHED
Alan Stern37cd6812010-05-21 17:08:21 -040096 bool "Improved Transaction Translator scheduling"
Peter Chena746c282013-09-17 12:37:18 +080097 depends on USB_EHCI_HCD
Alan Stern37cd6812010-05-21 17:08:21 -040098 default y
Dan Streetmanba47f662006-05-24 09:39:16 -070099 ---help---
100 This changes the periodic scheduling code to fill more of the low
101 and full speed bandwidth available from the Transaction Translator
102 (TT) in USB 2.0 hubs. Without this, only one transfer will be
103 issued in each microframe, significantly reducing the number of
104 periodic low/fullspeed transfers possible.
105
106 If you have multiple periodic low/fullspeed devices connected to a
107 highspeed USB hub which is connected to a highspeed USB Host
108 Controller, and some of those devices will not work correctly
Alan Stern37cd6812010-05-21 17:08:21 -0400109 (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if
110 you have only one such device and it doesn't work, you could try
111 saying N.
Dan Streetmanba47f662006-05-24 09:39:16 -0700112
Alan Stern37cd6812010-05-21 17:08:21 -0400113 If unsure, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700114
Florian Fainelli42443dc2013-04-09 14:29:27 +0200115config USB_FSL_MPH_DR_OF
116 tristate
117
118if USB_EHCI_HCD
119
Alan Sternadfa79d2012-11-01 11:13:04 -0400120config USB_EHCI_PCI
121 tristate
Florian Fainelli42443dc2013-04-09 14:29:27 +0200122 depends on PCI
Alan Sternadfa79d2012-11-01 11:13:04 -0400123 default y
124
Anoop22ced6872011-02-24 19:26:28 +0530125config USB_EHCI_HCD_PMC_MSP
126 tristate "EHCI support for on-chip PMC MSP71xx USB controller"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200127 depends on MSP_HAS_USB
Anoop22ced6872011-02-24 19:26:28 +0530128 default n
129 select USB_EHCI_BIG_ENDIAN_DESC
130 select USB_EHCI_BIG_ENDIAN_MMIO
131 ---help---
132 Enables support for the onchip USB controller on the PMC_MSP7100 Family SoC's.
133 If unsure, say N.
134
Julie Zhu08d3c182009-09-21 16:08:19 -0600135config XPS_USB_HCD_XILINX
136 bool "Use Xilinx usb host EHCI controller core"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200137 depends on (PPC32 || MICROBLAZE)
Julie Zhu08d3c182009-09-21 16:08:19 -0600138 select USB_EHCI_BIG_ENDIAN_DESC
139 select USB_EHCI_BIG_ENDIAN_MMIO
140 ---help---
Masanari Iidaf54619f2014-09-18 12:09:42 +0900141 Xilinx xps USB host controller core is EHCI compliant and has
Julie Zhu08d3c182009-09-21 16:08:19 -0600142 transaction translator built-in. It can be configured to either
143 support both high speed and full speed devices, or high speed
144 devices only.
145
Li Yangba029782007-05-11 17:09:55 +0800146config USB_EHCI_FSL
Ramneek Mehreshca07e1c2015-05-14 19:04:46 +0530147 tristate "Support for Freescale PPC on-chip EHCI USB controller"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200148 depends on FSL_SOC
Li Yangba029782007-05-11 17:09:55 +0800149 select USB_EHCI_ROOT_HUB_TT
Marc Kleine-Budde018b97d2010-10-29 11:04:49 +0200150 select USB_FSL_MPH_DR_OF if OF
Li Yangba029782007-05-11 17:09:55 +0800151 ---help---
152 Variation of ARC USB block used in some Freescale chips.
153
Daniel Mack7e8d5cd2009-10-28 01:14:59 +0100154config USB_EHCI_MXC
Alan Sterndba63b2f2013-01-23 13:26:15 -0500155 tristate "Support for Freescale i.MX on-chip EHCI USB controller"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200156 depends on ARCH_MXC
Daniel Mack7e8d5cd2009-10-28 01:14:59 +0100157 select USB_EHCI_ROOT_HUB_TT
158 ---help---
159 Variation of ARC USB block used in some Freescale chips.
160
Keshava Munegowda7f124f42010-11-21 23:23:41 +0530161config USB_EHCI_HCD_OMAP
Alan Stern54a419662013-03-12 12:44:39 +0200162 tristate "EHCI support for OMAP3 and later chips"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200163 depends on ARCH_OMAP
Roger Quadros88650d62013-06-14 12:51:42 +0300164 select NOP_USB_XCEIV
Keshava Munegowda7f124f42010-11-21 23:23:41 +0530165 default y
Paul Bolled132d7f6f2012-05-07 11:14:59 +0200166 ---help---
Keshava Munegowda7f124f42010-11-21 23:23:41 +0530167 Enables support for the on-chip EHCI controller on
168 OMAP3 and later chips.
169
Manjunath Goudara76dd462013-04-02 18:23:59 +0200170config USB_EHCI_HCD_ORION
171 tristate "Support for Marvell EBU on-chip EHCI USB controller"
172 depends on USB_EHCI_HCD && PLAT_ORION
173 default y
174 ---help---
175 Enables support for the on-chip EHCI controller on Marvell's
176 embedded ARM SoCs, including Orion, Kirkwood, Dove, Armada XP,
177 Armada 370. This is different from the EHCI implementation
178 on Marvell's mobile PXA and MMP SoC, see "EHCI support for
179 Marvell PXA/MMP USB controller" for those.
180
Manjunath Goudar7675d6b2013-04-02 18:24:00 +0200181config USB_EHCI_HCD_SPEAR
182 tristate "Support for ST SPEAr on-chip EHCI USB controller"
183 depends on USB_EHCI_HCD && PLAT_SPEAR
184 default y
185 ---help---
186 Enables support for the on-chip EHCI controller on
187 ST SPEAr chips.
188
Arnd Bergmann905e3002014-09-29 14:54:34 +0200189config USB_EHCI_HCD_STI
190 tristate "Support for ST STiHxxx on-chip EHCI USB controller"
191 depends on ARCH_STI && OF
192 select GENERIC_PHY
193 select USB_EHCI_HCD_PLATFORM
194 help
195 Enable support for the on-chip EHCI controller found on
196 STMicroelectronics consumer electronics SoC's.
197
Manjunath Goudar97736962013-04-02 18:24:02 +0200198config USB_EHCI_HCD_AT91
199 tristate "Support for Atmel on-chip EHCI USB controller"
200 depends on USB_EHCI_HCD && ARCH_AT91
201 default y
202 ---help---
203 Enables support for the on-chip EHCI controller on
204 Atmel chips.
205
Pavankumar Kondetib0848ae2010-12-07 17:53:56 +0530206config USB_EHCI_MSM
Manjunath Goudar8c68e842013-04-02 18:24:03 +0200207 tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller"
Stephen Boydebfd44f2015-03-13 11:09:41 -0700208 depends on ARCH_QCOM
Pavankumar Kondetib0848ae2010-12-07 17:53:56 +0530209 select USB_EHCI_ROOT_HUB_TT
Pavankumar Kondetib0848ae2010-12-07 17:53:56 +0530210 ---help---
211 Enables support for the USB Host controller present on the
212 Qualcomm chipsets. Root Hub has inbuilt TT.
213 This driver depends on OTG driver for PHY initialization,
Pavankumar Kondeti8bb6a162010-12-07 17:53:57 +0530214 clock management, powering up VBUS, and power management.
Pavankumar Kondeti8cf28f12011-02-04 10:08:18 +0530215 This driver is not supported on boards like trout which
216 has an external PHY.
Pavankumar Kondetib0848ae2010-12-07 17:53:56 +0530217
Benoit Goby79ad3b52011-03-09 16:28:56 -0800218config USB_EHCI_TEGRA
Manjunath Goudar9fc5f242013-06-13 11:24:12 -0600219 tristate "NVIDIA Tegra HCD support"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200220 depends on ARCH_TEGRA
Benoit Goby79ad3b52011-03-09 16:28:56 -0800221 select USB_EHCI_ROOT_HUB_TT
Felipe Balbi75f32ec2013-03-20 14:18:28 +0200222 select USB_PHY
Arnd Bergmanna262e872015-11-23 14:51:29 +0100223 select USB_ULPI
224 select USB_ULPI_VIEWPORT
Benoit Goby79ad3b52011-03-09 16:28:56 -0800225 help
226 This driver enables support for the internal USB Host Controllers
227 found in NVIDIA Tegra SoCs. The controllers are EHCI compliant.
228
Valentine Barshakda0e8fb2007-12-30 15:28:50 -0800229config USB_EHCI_HCD_PPC_OF
230 bool "EHCI support for PPC USB controller on OF platform bus"
Kevin Haoc31316c2015-01-31 21:47:44 +0800231 depends on PPC
Valentine Barshakda0e8fb2007-12-30 15:28:50 -0800232 default y
233 ---help---
234 Enables support for the USB controller present on the PowerPC
235 OpenFirmware platform bus.
236
Yoshihiro Shimoda60b0bf02011-03-01 16:58:37 +0900237config USB_EHCI_SH
238 bool "EHCI support for SuperH USB controller"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200239 depends on SUPERH
Yoshihiro Shimoda60b0bf02011-03-01 16:58:37 +0900240 ---help---
241 Enables support for the on-chip EHCI controller on the SuperH.
242 If you use the PCI EHCI controller, this option is not necessary.
243
Jingoo Han29824c162013-10-10 16:42:47 +0900244config USB_EHCI_EXYNOS
Manjunath Goudar7edb3da2013-04-02 18:24:01 +0200245 tristate "EHCI support for Samsung S5P/EXYNOS SoC Series"
Sylwester Nawrockicd6e2452014-10-07 11:12:07 +0200246 depends on ARCH_S5PV210 || ARCH_EXYNOS
Greg Kroah-Hartmane9a92b22013-02-20 10:25:05 -0800247 help
Jingoo Han29824c162013-10-10 16:42:47 +0900248 Enable support for the Samsung Exynos SOC's on-chip EHCI controller.
Joonyoung Shim1bcc5aa2011-04-08 14:08:50 +0900249
Neil Zhang3a082ec2011-12-20 13:20:23 +0800250config USB_EHCI_MV
Manjunath Goudara76dd462013-04-02 18:23:59 +0200251 bool "EHCI support for Marvell PXA/MMP USB controller"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200252 depends on (ARCH_PXA || ARCH_MMP)
Neil Zhang3a082ec2011-12-20 13:20:23 +0800253 select USB_EHCI_ROOT_HUB_TT
254 ---help---
255 Enables support for Marvell (including PXA and MMP series) on-chip
256 USB SPH and OTG controller. SPH is a single port host, and it can
257 only be EHCI host. OTG is controller that can switch to host mode.
Manjunath Goudara76dd462013-04-02 18:23:59 +0200258 Note that this driver will not work on Marvell's other EHCI
259 controller used by the EBU-type SoCs including Orion, Kirkwood,
260 Dova, Armada 370 and Armada XP. See "Support for Marvell EBU
261 on-chip EHCI USB controller" for those.
Neil Zhang3a082ec2011-12-20 13:20:23 +0800262
Wan ZongShun586dfc82009-06-13 09:14:28 +0800263config USB_W90X900_EHCI
Manjunath Goudara60f4f82013-09-21 16:44:42 +0530264 tristate "W90X900(W90P910) EHCI support"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200265 depends on ARCH_W90X900
Wan ZongShun586dfc82009-06-13 09:14:28 +0800266 ---help---
267 Enables support for the W90X900 USB controller
268
Mac Lin760efe62010-11-25 23:58:00 +0800269config USB_CNS3XXX_EHCI
Florian Fainellif3a958d2012-10-08 15:11:25 +0200270 bool "Cavium CNS3XXX EHCI Module (DEPRECATED)"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200271 depends on ARCH_CNS3XXX
Florian Fainellif3a958d2012-10-08 15:11:25 +0200272 select USB_EHCI_HCD_PLATFORM
Mac Lin760efe62010-11-25 23:58:00 +0800273 ---help---
Florian Fainellif3a958d2012-10-08 15:11:25 +0200274 This option is deprecated now and the driver was removed, use
275 USB_EHCI_HCD_PLATFORM instead.
276
Mac Lin760efe62010-11-25 23:58:00 +0800277 Enable support for the CNS3XXX SOC's on-chip EHCI controller.
278 It is needed for high-speed (480Mbit/sec) USB 2.0 device
279 support.
280
Gabor Juhos502fa842011-04-13 10:54:22 +0200281config USB_EHCI_ATH79
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100282 bool "EHCI support for AR7XXX/AR9XXX SoCs (DEPRECATED)"
Florian Fainelli42443dc2013-04-09 14:29:27 +0200283 depends on (SOC_AR71XX || SOC_AR724X || SOC_AR913X || SOC_AR933X)
Gabor Juhos502fa842011-04-13 10:54:22 +0200284 select USB_EHCI_ROOT_HUB_TT
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100285 select USB_EHCI_HCD_PLATFORM
Gabor Juhos502fa842011-04-13 10:54:22 +0200286 default y
287 ---help---
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100288 This option is deprecated now and the driver was removed, use
289 USB_EHCI_HCD_PLATFORM instead.
290
Gabor Juhos502fa842011-04-13 10:54:22 +0200291 Enables support for the built-in EHCI controller present
292 on the Atheros AR7XXX/AR9XXX SoCs.
293
Florian Fainelli42443dc2013-04-09 14:29:27 +0200294config USB_EHCI_HCD_PLATFORM
295 tristate "Generic EHCI driver for a platform device"
296 default n
297 ---help---
298 Adds an EHCI host driver for a generic platform device, which
299 provides a memory space and an irq.
300
301 If unsure, say N.
302
303config USB_OCTEON_EHCI
Alan Stern2193dda2014-11-25 12:28:46 +0100304 bool "Octeon on-chip EHCI support (DEPRECATED)"
David Daney9ddebc42013-05-22 15:10:46 +0000305 depends on CAVIUM_OCTEON_SOC
Florian Fainelli42443dc2013-04-09 14:29:27 +0200306 default n
Ben Hutchingsdf115f32015-05-25 20:27:29 +0100307 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
Alan Stern2193dda2014-11-25 12:28:46 +0100308 select USB_EHCI_HCD_PLATFORM
Florian Fainelli42443dc2013-04-09 14:29:27 +0200309 help
Alan Stern2193dda2014-11-25 12:28:46 +0100310 This option is deprecated now and the driver was removed, use
311 USB_EHCI_HCD_PLATFORM instead.
312
Florian Fainelli42443dc2013-04-09 14:29:27 +0200313 Enable support for the Octeon II SOC's on-chip EHCI
314 controller. It is needed for high-speed (480Mbit/sec)
315 USB 2.0 device support. All CN6XXX based chips with USB are
316 supported.
317
318endif # USB_EHCI_HCD
319
Rodolfo Giomettib92a78e2008-10-23 10:08:07 +0200320config USB_OXU210HP_HCD
321 tristate "OXU210HP HCD support"
Rodolfo Giomettib92a78e2008-10-23 10:08:07 +0200322 ---help---
323 The OXU210HP is an USB host/OTG/device controller. Enable this
324 option if your board has this chip. If unsure, say N.
325
326 This driver does not support isochronous transfers and doesn't
327 implement OTG nor USB device controllers.
328
329 To compile this driver as a module, choose M here: the
330 module will be called oxu210hp-hcd.
331
Olav Kongas4808a1c2005-04-09 22:57:39 +0300332config USB_ISP116X_HCD
333 tristate "ISP116X HCD support"
Olav Kongas4808a1c2005-04-09 22:57:39 +0300334 ---help---
335 The ISP1160 and ISP1161 chips are USB host controllers. Enable this
336 option if your board has this chip. If unsure, say N.
337
338 This driver does not support isochronous transfers.
339
340 To compile this driver as a module, choose M here: the
341 module will be called isp116x-hcd.
342
Lothar Wassmanna9d43092009-07-16 20:51:21 -0400343config USB_ISP1362_HCD
344 tristate "ISP1362 HCD support"
Lothar Wassmanna9d43092009-07-16 20:51:21 -0400345 ---help---
346 Supports the Philips ISP1362 chip as a host controller
347
348 This driver does not support isochronous transfers.
349
350 To compile this driver as a module, choose M here: the
351 module will be called isp1362-hcd.
352
Feng-Hsin Chiang7d501952013-07-29 16:48:32 +0000353config USB_FOTG210_HCD
354 tristate "FOTG210 HCD support"
355 depends on USB
Feng-Hsin Chiang7d501952013-07-29 16:48:32 +0000356 ---help---
357 Faraday FOTG210 is an OTG controller which can be configured as
358 an USB2.0 host. It is designed to meet USB2.0 EHCI specification
359 with minor modification.
360
361 To compile this driver as a module, choose M here: the
362 module will be called fotg210-hcd.
363
David Mosberger2d531392014-04-28 22:14:07 -0600364config USB_MAX3421_HCD
365 tristate "MAX3421 HCD (USB-over-SPI) support"
366 depends on USB && SPI
367 ---help---
368 The Maxim MAX3421E chip supports standard USB 2.0-compliant
369 full-speed devices either in host or peripheral mode. This
370 driver supports the host-mode of the MAX3421E only.
371
372 To compile this driver as a module, choose M here: the module will
373 be called max3421-hcd.
374
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375config USB_OHCI_HCD
Manjunath Goudarc1117af2013-05-28 18:34:51 +0530376 tristate "OHCI HCD (USB 1.1) support"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 ---help---
378 The Open Host Controller Interface (OHCI) is a standard for accessing
379 USB 1.1 host controller hardware. It does more in hardware than Intel's
380 UHCI specification. If your USB host controller follows the OHCI spec,
381 say Y. On most non-x86 systems, and on x86 hardware that's not using a
382 USB controller from Intel or VIA, this is appropriate. If your host
383 controller doesn't use PCI, this is probably appropriate. For a PCI
384 based system where you're not sure, the "lspci -v" entry will list the
385 right "prog-if" for your USB controller(s): EHCI, OHCI, or UHCI.
386
387 To compile this driver as a module, choose M here: the
388 module will be called ohci-hcd.
389
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200390if USB_OHCI_HCD
391
Anand Gadiyar968b4482010-05-10 21:56:12 +0530392config USB_OHCI_HCD_OMAP1
Manjunath Goudarde57a152013-09-21 16:38:39 +0530393 tristate "OHCI support for OMAP1/2 chips"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200394 depends on ARCH_OMAP1
Arnd Bergmann38e0c102014-05-08 15:52:20 +0200395 depends on ISP1301_OMAP || !(MACH_OMAP_H2 || MACH_OMAP_H3)
Anand Gadiyar968b4482010-05-10 21:56:12 +0530396 default y
397 ---help---
398 Enables support for the OHCI controller on OMAP1/2 chips.
399
Manjunath Goudar1cc6ac52013-09-21 16:38:41 +0530400config USB_OHCI_HCD_SPEAR
401 tristate "Support for ST SPEAr on-chip OHCI USB controller"
402 depends on USB_OHCI_HCD && PLAT_SPEAR
403 default y
404 ---help---
405 Enables support for the on-chip OHCI controller on
406 ST SPEAr chips.
407
Arnd Bergmann905e3002014-09-29 14:54:34 +0200408config USB_OHCI_HCD_STI
409 tristate "Support for ST STiHxxx on-chip OHCI USB controller"
410 depends on ARCH_STI && OF
411 select GENERIC_PHY
412 select USB_OHCI_HCD_PLATFORM
413 help
414 Enable support for the on-chip OHCI controller found on
415 STMicroelectronics consumer electronics SoC's.
416
Manjunath Goudarf23b71f2013-09-21 16:38:43 +0530417config USB_OHCI_HCD_S3C2410
418 tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series"
419 depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX)
420 default y
421 ---help---
422 Enables support for the on-chip OHCI controller on
423 S3C24xx/S3C64xx chips.
424
Manjunath Goudar30330b82013-09-21 16:38:44 +0530425config USB_OHCI_HCD_LPC32XX
426 tristate "Support for LPC on-chip OHCI USB controller"
427 depends on USB_OHCI_HCD && ARCH_LPC32XX
Arnd Bergmann38e0c102014-05-08 15:52:20 +0200428 depends on USB_ISP1301
Manjunath Goudar30330b82013-09-21 16:38:44 +0530429 default y
430 ---help---
431 Enables support for the on-chip OHCI controller on
432 NXP chips.
433
Manjunath Goudarb8ad5c32013-09-21 16:38:46 +0530434config USB_OHCI_HCD_PXA27X
435 tristate "Support for PXA27X/PXA3XX on-chip OHCI USB controller"
436 depends on USB_OHCI_HCD && (PXA27x || PXA3xx)
437 default y
438 ---help---
439 Enables support for the on-chip OHCI controller on
440 PXA27x/PXA3xx chips.
441
Manjunath Goudare3825b42013-09-21 16:38:42 +0530442config USB_OHCI_HCD_AT91
Alexandre Bellonibe12be52015-08-10 16:23:10 +0200443 tristate "Support for Atmel on-chip OHCI USB controller"
444 depends on USB_OHCI_HCD && ARCH_AT91 && OF
445 default y
446 ---help---
Manjunath Goudare3825b42013-09-21 16:38:42 +0530447 Enables support for the on-chip OHCI controller on
448 Atmel chips.
449
Anand Gadiyar968b4482010-05-10 21:56:12 +0530450config USB_OHCI_HCD_OMAP3
Manjunath Goudar3a48fef2013-09-21 16:38:40 +0530451 tristate "OHCI support for OMAP3 and later chips"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200452 depends on (ARCH_OMAP3 || ARCH_OMAP4)
Anand Gadiyar968b4482010-05-10 21:56:12 +0530453 default y
454 ---help---
455 Enables support for the on-chip OHCI controller on
456 OMAP3 and later chips.
457
Arnd Bergmann068413e2014-05-08 15:52:21 +0200458config USB_OHCI_HCD_DAVINCI
459 bool "OHCI support for TI DaVinci DA8xx"
460 depends on ARCH_DAVINCI_DA8XX
461 depends on USB_OHCI_HCD=y
462 default y
463 help
464 Enables support for the DaVinci DA8xx integrated OHCI
465 controller. This driver cannot currently be a loadable
466 module because it lacks a proper PHY abstraction.
467
Gabor Juhos90e6ca52011-04-13 10:54:24 +0200468config USB_OHCI_ATH79
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100469 bool "USB OHCI support for the Atheros AR71XX/AR7240 SoCs (DEPRECATED)"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200470 depends on (SOC_AR71XX || SOC_AR724X)
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100471 select USB_OHCI_HCD_PLATFORM
Gabor Juhos90e6ca52011-04-13 10:54:24 +0200472 default y
473 help
Hauke Mehrtens5d98cd42012-03-13 01:04:53 +0100474 This option is deprecated now and the driver was removed, use
475 USB_OHCI_HCD_PLATFORM instead.
476
Gabor Juhos90e6ca52011-04-13 10:54:24 +0200477 Enables support for the built-in OHCI controller present on the
478 Atheros AR71XX/AR7240 SoCs.
479
Sylvain Munaut495a6782006-12-13 21:09:55 +0100480config USB_OHCI_HCD_PPC_OF_BE
Arnd Bergmann45e83882009-06-19 05:35:34 -0700481 bool "OHCI support for OF platform bus (big endian)"
Kevin Haoc31316c2015-01-31 21:47:44 +0800482 depends on PPC
Sylvain Munaut495a6782006-12-13 21:09:55 +0100483 select USB_OHCI_BIG_ENDIAN_DESC
484 select USB_OHCI_BIG_ENDIAN_MMIO
Arnd Bergmann45e83882009-06-19 05:35:34 -0700485 ---help---
486 Enables support for big-endian USB controllers present on the
487 OpenFirmware platform bus.
Sylvain Munaut495a6782006-12-13 21:09:55 +0100488
489config USB_OHCI_HCD_PPC_OF_LE
Arnd Bergmann45e83882009-06-19 05:35:34 -0700490 bool "OHCI support for OF platform bus (little endian)"
Kevin Haoc31316c2015-01-31 21:47:44 +0800491 depends on PPC
Sylvain Munaut495a6782006-12-13 21:09:55 +0100492 select USB_OHCI_LITTLE_ENDIAN
Arnd Bergmann45e83882009-06-19 05:35:34 -0700493 ---help---
494 Enables support for little-endian USB controllers present on the
495 OpenFirmware platform bus.
496
497config USB_OHCI_HCD_PPC_OF
498 bool
Kevin Haoc31316c2015-01-31 21:47:44 +0800499 depends on PPC
Arnd Bergmann45e83882009-06-19 05:35:34 -0700500 default USB_OHCI_HCD_PPC_OF_BE || USB_OHCI_HCD_PPC_OF_LE
Sylvain Munaut495a6782006-12-13 21:09:55 +0100501
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502config USB_OHCI_HCD_PCI
Manjunath Goudarc1117af2013-05-28 18:34:51 +0530503 tristate "OHCI support for PCI-bus USB controllers"
504 depends on PCI
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505 default y
506 select USB_OHCI_LITTLE_ENDIAN
507 ---help---
508 Enables support for PCI-bus plug-in USB controller cards.
509 If unsure, say Y.
510
Michael Bueschc604e852007-10-09 23:47:17 -0700511config USB_OHCI_HCD_SSB
Hauke Mehrtens259b83a2012-03-15 23:49:59 +0100512 bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200513 depends on (SSB = y || SSB = USB_OHCI_HCD)
Hauke Mehrtens259b83a2012-03-15 23:49:59 +0100514 select USB_HCD_SSB
515 select USB_OHCI_HCD_PLATFORM
Michael Bueschc604e852007-10-09 23:47:17 -0700516 default n
517 ---help---
Hauke Mehrtens259b83a2012-03-15 23:49:59 +0100518 This option is deprecated now and the driver was removed, use
519 USB_HCD_SSB and USB_OHCI_HCD_PLATFORM instead.
520
Michael Bueschc604e852007-10-09 23:47:17 -0700521 Support for the Sonics Silicon Backplane (SSB) attached
522 Broadcom USB OHCI core.
523
524 This device is present in some embedded devices with
525 Broadcom based SSB bus.
526
527 If unsure, say N.
528
Yoshihiro Shimoda60b0bf02011-03-01 16:58:37 +0900529config USB_OHCI_SH
Florian Fainelli231a72e2012-10-08 15:11:37 +0200530 bool "OHCI support for SuperH USB controller (DEPRECATED)"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200531 depends on SUPERH
Florian Fainelli231a72e2012-10-08 15:11:37 +0200532 select USB_OHCI_HCD_PLATFORM
Yoshihiro Shimoda60b0bf02011-03-01 16:58:37 +0900533 ---help---
Florian Fainelli231a72e2012-10-08 15:11:37 +0200534 This option is deprecated now and the driver was removed, use
535 USB_OHCI_HCD_PLATFORM instead.
536
Yoshihiro Shimoda60b0bf02011-03-01 16:58:37 +0900537 Enables support for the on-chip OHCI controller on the SuperH.
538 If you use the PCI OHCI controller, this option is not necessary.
539
Jingoo Han62194242011-12-23 11:20:54 +0900540config USB_OHCI_EXYNOS
Manjunath Goudar50a97e02013-09-21 16:38:38 +0530541 tristate "OHCI support for Samsung S5P/EXYNOS SoC Series"
Sylwester Nawrockicd6e2452014-10-07 11:12:07 +0200542 depends on ARCH_S5PV210 || ARCH_EXYNOS
Jingoo Han62194242011-12-23 11:20:54 +0900543 help
544 Enable support for the Samsung Exynos SOC's on-chip OHCI controller.
545
Mac Lin760efe62010-11-25 23:58:00 +0800546config USB_CNS3XXX_OHCI
Florian Fainellic23920b02012-10-08 15:11:33 +0200547 bool "Cavium CNS3XXX OHCI Module (DEPRECATED)"
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200548 depends on ARCH_CNS3XXX
Florian Fainellic23920b02012-10-08 15:11:33 +0200549 select USB_OHCI_HCD_PLATFORM
Mac Lin760efe62010-11-25 23:58:00 +0800550 ---help---
Florian Fainellic23920b02012-10-08 15:11:33 +0200551 This option is deprecated now and the driver was removed, use
552 USB_OHCI_HCD_PLATFORM instead.
553
Mac Lin760efe62010-11-25 23:58:00 +0800554 Enable support for the CNS3XXX SOC's on-chip OHCI controller.
555 It is needed for low-speed USB 1.0 device support.
556
Hauke Mehrtensfa3364b2012-03-13 01:04:47 +0100557config USB_OHCI_HCD_PLATFORM
Manjunath Goudar928fb682013-06-03 20:46:08 +0530558 tristate "Generic OHCI driver for a platform device"
Hauke Mehrtensfa3364b2012-03-13 01:04:47 +0100559 default n
560 ---help---
561 Adds an OHCI host driver for a generic platform device, which
Peter Meerwald898d8282012-08-18 15:53:12 +0200562 provides a memory space and an irq.
Hauke Mehrtensfa3364b2012-03-13 01:04:47 +0100563
564 If unsure, say N.
565
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200566config USB_OCTEON_OHCI
Alan Stern2193dda2014-11-25 12:28:46 +0100567 bool "Octeon on-chip OHCI support (DEPRECATED)"
David Daney9ddebc42013-05-22 15:10:46 +0000568 depends on CAVIUM_OCTEON_SOC
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200569 default USB_OCTEON_EHCI
Ben Hutchingsdf115f32015-05-25 20:27:29 +0100570 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200571 select USB_OHCI_LITTLE_ENDIAN
Alan Stern2193dda2014-11-25 12:28:46 +0100572 select USB_OHCI_HCD_PLATFORM
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200573 help
Alan Stern2193dda2014-11-25 12:28:46 +0100574 This option is deprecated now and the driver was removed, use
575 USB_OHCI_HCD_PLATFORM instead.
576
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200577 Enable support for the Octeon II SOC's on-chip OHCI
578 controller. It is needed for low-speed USB 1.0 device
579 support. All CN6XXX based chips with USB are supported.
580
Florian Fainelli3ad3ca02013-04-09 14:29:28 +0200581endif # USB_OHCI_HCD
582
Linus Torvalds1da177e2005-04-16 15:20:36 -0700583config USB_UHCI_HCD
584 tristate "UHCI HCD (most Intel and VIA) support"
Alan Sternccd95092013-05-14 13:54:12 -0400585 depends on PCI || USB_UHCI_SUPPORT_NON_PCI_HC
Linus Torvalds1da177e2005-04-16 15:20:36 -0700586 ---help---
587 The Universal Host Controller Interface is a standard by Intel for
588 accessing the USB hardware in the PC (which is also called the USB
589 host controller). If your USB host controller conforms to this
590 standard, you may want to say Y, but see below. All recent boards
591 with Intel PCI chipsets (like intel 430TX, 440FX, 440LX, 440BX,
592 i810, i820) conform to this standard. Also all VIA PCI chipsets
593 (like VIA VP2, VP3, MVP3, Apollo Pro, Apollo Pro II or Apollo Pro
Jan Andersson3db77392011-05-06 12:00:18 +0200594 133) and LEON/GRLIB SoCs with the GRUSBHC controller.
595 If unsure, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596
597 To compile this driver as a module, choose M here: the
598 module will be called uhci-hcd.
599
Jan Anderssond3219d12011-05-06 12:00:17 +0200600config USB_UHCI_SUPPORT_NON_PCI_HC
601 bool
Alan Sternccd95092013-05-14 13:54:12 -0400602 default y if (SPARC_LEON || USB_UHCI_PLATFORM)
Tony Prisk100d4592012-07-21 22:58:53 +1200603
604config USB_UHCI_PLATFORM
Alan Sternccd95092013-05-14 13:54:12 -0400605 bool
Tony Prisk100d4592012-07-21 22:58:53 +1200606 default y if ARCH_VT8500
Jan Anderssond3219d12011-05-06 12:00:17 +0200607
Jan Andersson8452c672011-05-18 10:44:49 +0200608config USB_UHCI_BIG_ENDIAN_MMIO
609 bool
Alan Sternccd95092013-05-14 13:54:12 -0400610 default y if SPARC_LEON
Jan Andersson8452c672011-05-18 10:44:49 +0200611
Jan Andersson51e2f622011-05-18 10:44:51 +0200612config USB_UHCI_BIG_ENDIAN_DESC
613 bool
Alan Sternccd95092013-05-14 13:54:12 -0400614 default y if SPARC_LEON
Jan Andersson51e2f622011-05-18 10:44:51 +0200615
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300616config USB_FHCI_HCD
617 tristate "Freescale QE USB Host Controller support"
Florian Fainelli25e11ec2013-04-09 14:29:25 +0200618 depends on OF_GPIO && QE_GPIO && QUICC_ENGINE
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300619 select FSL_GTM
620 select QE_USB
621 help
622 This driver enables support for Freescale QE USB Host Controller
623 (as found on MPC8360 and MPC8323 processors), the driver supports
624 Full and Low Speed USB.
625
626config FHCI_DEBUG
627 bool "Freescale QE USB Host Controller debug support"
628 depends on USB_FHCI_HCD && DEBUG_FS
629 help
630 Say "y" to see some FHCI debug information and statistics
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300631 through debugfs.
Anton Vorontsov236dd4d2009-01-10 05:03:21 +0300632
Tony Olechd774efe2006-09-13 11:27:35 +0100633config USB_U132_HCD
634 tristate "Elan U132 Adapter Host Controller"
Florian Fainelli25e11ec2013-04-09 14:29:25 +0200635 depends on USB_FTDI_ELAN
Tony Olechd774efe2006-09-13 11:27:35 +0100636 help
637 The U132 adapter is a USB to CardBus adapter specifically designed
638 for PC cards that contain an OHCI host controller. Typical PC cards
639 are the Orange Mobile 3G Option GlobeTrotter Fusion card. The U132
640 adapter will *NOT* work with PC cards that do not contain an OHCI
641 controller.
642
Matt LaPlante3cb2fcc2006-11-30 05:22:59 +0100643 For those PC cards that contain multiple OHCI controllers only the
Tony Olechd774efe2006-09-13 11:27:35 +0100644 first one is used.
645
646 The driver consists of two modules, the "ftdi-elan" module is a
647 USB client driver that interfaces to the FTDI chip within ELAN's
648 USB-to-PCMCIA adapter, and this "u132-hcd" module is a USB host
649 controller driver that talks to the OHCI controller within the
650 CardBus cards that are inserted in the U132 adapter.
651
652 This driver has been tested with a CardBus OHCI USB adapter, and
653 worked with a USB PEN Drive inserted into the first USB port of
654 the PCCARD. A rather pointless thing to do, but useful for testing.
655
656 It is safe to say M here.
657
658 See also <http://www.elandigitalsystems.com/support/ufaq/u132linux.php>
659
Linus Torvalds1da177e2005-04-16 15:20:36 -0700660config USB_SL811_HCD
661 tristate "SL811HS HCD support"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700662 help
663 The SL811HS is a single-port USB controller that supports either
664 host side or peripheral side roles. Enable this option if your
665 board has this chip, and you want to use it as a host controller.
666 If unsure, say N.
667
668 To compile this driver as a module, choose M here: the
669 module will be called sl811-hcd.
670
Mike Frysingerad7c56f2011-03-22 15:35:39 -0400671config USB_SL811_HCD_ISO
672 bool "partial ISO support"
673 depends on USB_SL811_HCD
674 help
675 The driver doesn't support iso_frame_desc (yet), but for some simple
676 devices that just queue one ISO frame per URB, then ISO transfers
677 "should" work using the normal urb status fields.
678
679 If unsure, say N.
680
David Brownellc6de2b62005-05-26 05:55:55 -0700681config USB_SL811_CS
682 tristate "CF/PCMCIA support for SL811HS HCD"
683 depends on USB_SL811_HCD && PCMCIA
David Brownellc6de2b62005-05-26 05:55:55 -0700684 help
685 Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC
686 REX-CFU1U CF card (often used with PDAs). If unsure, say N.
687
688 To compile this driver as a module, choose M here: the
689 module will be called "sl811_cs".
690
Yoshihiro Shimoda5d304352007-05-10 13:18:19 +0900691config USB_R8A66597_HCD
M4rkusXXLfa0de2b2007-08-10 14:53:32 -0700692 tristate "R8A66597 HCD support"
Yoshihiro Shimoda5d304352007-05-10 13:18:19 +0900693 help
694 The R8A66597 is a USB 2.0 host and peripheral controller.
695
696 Enable this option if your board has this chip, and you want
697 to use it as a host controller. If unsure, say N.
698
699 To compile this driver as a module, choose M here: the
700 module will be called r8a66597-hcd.
701
Kuninori Morimoto034d7c12011-10-10 22:07:40 -0700702config USB_RENESAS_USBHS_HCD
703 tristate "Renesas USBHS HCD support"
Kuninori Morimoto034d7c12011-10-10 22:07:40 -0700704 depends on USB_RENESAS_USBHS
705 help
706 The Renesas USBHS is a USB 2.0 host and peripheral controller.
707
708 Enable this option if your board has this chip, and you want
709 to use it as a host controller. If unsure, say N.
710
711 To compile this driver as a module, choose M here: the
712 module will be called renesas-usbhs.
713
David Vrabel7e6133a2008-09-17 16:34:28 +0100714config USB_WHCI_HCD
Greg Kroah-Hartmaneb83be92012-09-14 21:15:50 -0700715 tristate "Wireless USB Host Controller Interface (WHCI) driver"
Randy Dunlap36f8ecb2012-01-27 15:47:03 -0800716 depends on PCI && USB && UWB
David Vrabel7e6133a2008-09-17 16:34:28 +0100717 select USB_WUSB
718 select UWB_WHCI
719 help
720 A driver for PCI-based Wireless USB Host Controllers that are
721 compliant with the WHCI specification.
722
723 To compile this driver a module, choose M here: the module
724 will be called "whci-hcd".
Inaky Perez-Gonzalezd09318b2008-09-17 16:34:30 +0100725
726config USB_HWA_HCD
Greg Kroah-Hartmaneb83be92012-09-14 21:15:50 -0700727 tristate "Host Wire Adapter (HWA) driver"
Thomas Pugliesecbb67192014-09-16 16:25:24 -0500728 depends on USB && UWB
Inaky Perez-Gonzalezd09318b2008-09-17 16:34:30 +0100729 select USB_WUSB
730 select UWB_HWA
731 help
732 This driver enables you to connect Wireless USB devices to
733 your system using a Host Wire Adaptor USB dongle. This is an
734 UWB Radio Controller and WUSB Host Controller connected to
735 your machine via USB (specified in WUSB1.0).
736
737 To compile this driver a module, choose M here: the module
738 will be called "hwa-hc".
Martin Fuzzey23d3e7a2009-11-21 12:14:48 +0100739
740config USB_IMX21_HCD
Sascha Hauer5de9ec42011-08-24 08:41:10 +0200741 tristate "i.MX21 HCD support"
Florian Fainelli25e11ec2013-04-09 14:29:25 +0200742 depends on ARM && ARCH_MXC
Martin Fuzzey23d3e7a2009-11-21 12:14:48 +0100743 help
744 This driver enables support for the on-chip USB host in the
Sascha Hauer5de9ec42011-08-24 08:41:10 +0200745 i.MX21 processor.
Martin Fuzzey23d3e7a2009-11-21 12:14:48 +0100746
747 To compile this driver as a module, choose M here: the
748 module will be called "imx21-hcd".
749
Hauke Mehrtens62e11d12012-03-15 23:49:57 +0100750config USB_HCD_BCMA
751 tristate "BCMA usb host driver"
Greg Kroah-Hartmaneb83be92012-09-14 21:15:50 -0700752 depends on BCMA
Hauke Mehrtens62e11d12012-03-15 23:49:57 +0100753 select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
754 select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD
755 help
Jesper Dangaard Brouer71c421d2012-06-15 12:01:33 +0200756 Enable support for the EHCI and OCHI host controller on an bcma bus.
Hauke Mehrtens62e11d12012-03-15 23:49:57 +0100757 It converts the bcma driver into two platform device drivers
758 for ehci and ohci.
759
760 If unsure, say N.
Hauke Mehrtens7043c2c2012-03-15 23:49:58 +0100761
762config USB_HCD_SSB
763 tristate "SSB usb host driver"
Greg Kroah-Hartmaneb83be92012-09-14 21:15:50 -0700764 depends on SSB
Hauke Mehrtens7043c2c2012-03-15 23:49:58 +0100765 select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
766 select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD
767 help
Jesper Dangaard Brouer71c421d2012-06-15 12:01:33 +0200768 Enable support for the EHCI and OCHI host controller on an bcma bus.
Hauke Mehrtens7043c2c2012-03-15 23:49:58 +0100769 It converts the bcma driver into two platform device drivers
770 for ehci and ohci.
771
772 If unsure, say N.
Jack Pham726a85c2013-08-13 13:40:13 -0700773
774config USB_HCD_TEST_MODE
775 bool "HCD test mode support"
776 ---help---
777 Say 'Y' to enable additional software test modes that may be
778 supported by the host controller drivers.
779
780 One such test mode is the Embedded High-speed Host Electrical Test
781 (EHSET) for EHCI host controller hardware, specifically the "Single
782 Step Set Feature" test. Typically this will be enabled for On-the-Go
783 or embedded hosts that need to undergo USB-IF compliance testing with
784 the aid of special testing hardware. In the future, this may expand
785 to include other tests that require support from a HCD driver.
786
787 This option is of interest only to developers who need to validate
788 their USB hardware designs. It is not needed for normal use. If
789 unsure, say N.