usb: phy: Improve Kconfig help for CONFIG_USB_PHY
[deliverable/linux.git] / drivers / usb / phy / Kconfig
1 #
2 # Physical Layer USB driver configuration
3 #
4 menuconfig USB_PHY
5 bool "USB Physical Layer drivers"
6 help
7 Most USB controllers have the physical layer signalling part
8 (commonly called a PHY) built in. However, dual-role devices
9 (a.k.a. USB on-the-go) which support being USB master or slave
10 with the same connector often use an external PHY.
11
12 The drivers in this submenu add support for such PHY devices.
13 They are not needed for standard master-only (or the vast
14 majority of slave-only) USB interfaces.
15
16 If you're not sure if this applies to you, it probably doesn't;
17 say N here.
18
19 if USB_PHY
20
21 #
22 # USB Transceiver Drivers
23 #
24 config AB8500_USB
25 tristate "AB8500 USB Transceiver Driver"
26 depends on AB8500_CORE
27 help
28 Enable this to support the USB OTG transceiver in AB8500 chip.
29 This transceiver supports high and full speed devices plus,
30 in host mode, low speed.
31
32 config FSL_USB2_OTG
33 bool "Freescale USB OTG Transceiver Driver"
34 depends on USB_EHCI_FSL && USB_FSL_USB2 && PM_RUNTIME
35 select USB_OTG
36 help
37 Enable this to support Freescale USB OTG transceiver.
38
39 config ISP1301_OMAP
40 tristate "Philips ISP1301 with OMAP OTG"
41 depends on I2C && ARCH_OMAP_OTG
42 help
43 If you say yes here you get support for the Philips ISP1301
44 USB-On-The-Go transceiver working with the OMAP OTG controller.
45 The ISP1301 is a full speed USB transceiver which is used in
46 products including H2, H3, and H4 development boards for Texas
47 Instruments OMAP processors.
48
49 This driver can also be built as a module. If so, the module
50 will be called isp1301_omap.
51
52 config MV_U3D_PHY
53 bool "Marvell USB 3.0 PHY controller Driver"
54 depends on CPU_MMP3
55 help
56 Enable this to support Marvell USB 3.0 phy controller for Marvell
57 SoC.
58
59 config NOP_USB_XCEIV
60 tristate "NOP USB Transceiver Driver"
61 help
62 This driver is to be used by all the usb transceiver which are either
63 built-in with usb ip or which are autonomous and doesn't require any
64 phy programming such as ISP1x04 etc.
65
66 config OMAP_CONTROL_USB
67 tristate "OMAP CONTROL USB Driver"
68 help
69 Enable this to add support for the USB part present in the control
70 module. This driver has API to power on the USB2 PHY and to write to
71 the mailbox. The mailbox is present only in omap4 and the register to
72 power on the USB2 PHY is present in OMAP4 and OMAP5. OMAP5 has an
73 additional register to power on USB3 PHY.
74
75 config OMAP_USB2
76 tristate "OMAP USB2 PHY Driver"
77 depends on ARCH_OMAP2PLUS
78 select OMAP_CONTROL_USB
79 help
80 Enable this to support the transceiver that is part of SOC. This
81 driver takes care of all the PHY functionality apart from comparator.
82 The USB OTG controller communicates with the comparator using this
83 driver.
84
85 config OMAP_USB3
86 tristate "OMAP USB3 PHY Driver"
87 select OMAP_CONTROL_USB
88 help
89 Enable this to support the USB3 PHY that is part of SOC. This
90 driver takes care of all the PHY functionality apart from comparator.
91 This driver interacts with the "OMAP Control USB Driver" to power
92 on/off the PHY.
93
94 config SAMSUNG_USBPHY
95 tristate "Samsung USB PHY Driver"
96 help
97 Enable this to support Samsung USB phy helper driver for Samsung SoCs.
98 This driver provides common interface to interact, for Samsung USB 2.0 PHY
99 driver and later for Samsung USB 3.0 PHY driver.
100
101 config SAMSUNG_USB2PHY
102 tristate "Samsung USB 2.0 PHY controller Driver"
103 select SAMSUNG_USBPHY
104 help
105 Enable this to support Samsung USB 2.0 (High Speed) PHY controller
106 driver for Samsung SoCs.
107
108 config SAMSUNG_USB3PHY
109 tristate "Samsung USB 3.0 PHY controller Driver"
110 select SAMSUNG_USBPHY
111 help
112 Enable this to support Samsung USB 3.0 (Super Speed) phy controller
113 for samsung SoCs.
114
115 config TWL4030_USB
116 tristate "TWL4030 USB Transceiver Driver"
117 depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
118 help
119 Enable this to support the USB OTG transceiver on TWL4030
120 family chips (including the TWL5030 and TPS659x0 devices).
121 This transceiver supports high and full speed devices plus,
122 in host mode, low speed.
123
124 config TWL6030_USB
125 tristate "TWL6030 USB Transceiver Driver"
126 depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
127 help
128 Enable this to support the USB OTG transceiver on TWL6030
129 family chips. This TWL6030 transceiver has the VBUS and ID GND
130 and OTG SRP events capabilities. For all other transceiver functionality
131 UTMI PHY is embedded in OMAP4430. The internal PHY configurations APIs
132 are hooked to this driver through platform_data structure.
133 The definition of internal PHY APIs are in the mach-omap2 layer.
134
135 config USB_GPIO_VBUS
136 tristate "GPIO based peripheral-only VBUS sensing 'transceiver'"
137 depends on GPIOLIB
138 help
139 Provides simple GPIO VBUS sensing for controllers with an
140 internal transceiver via the usb_phy interface, and
141 optionally control of a D+ pullup GPIO as well as a VBUS
142 current limit regulator.
143
144 config USB_ISP1301
145 tristate "NXP ISP1301 USB transceiver support"
146 depends on USB || USB_GADGET
147 depends on I2C
148 help
149 Say Y here to add support for the NXP ISP1301 USB transceiver driver.
150 This chip is typically used as USB transceiver for USB host, gadget
151 and OTG drivers (to be selected separately).
152
153 To compile this driver as a module, choose M here: the
154 module will be called isp1301.
155
156 config USB_MSM_OTG
157 tristate "OTG support for Qualcomm on-chip USB controller"
158 depends on (USB || USB_GADGET) && ARCH_MSM
159 help
160 Enable this to support the USB OTG transceiver on MSM chips. It
161 handles PHY initialization, clock management, and workarounds
162 required after resetting the hardware and power management.
163 This driver is required even for peripheral only or host only
164 mode configurations.
165 This driver is not supported on boards like trout which
166 has an external PHY.
167
168 config USB_MV_OTG
169 tristate "Marvell USB OTG support"
170 depends on USB_EHCI_MV && USB_MV_UDC && PM_RUNTIME
171 select USB_OTG
172 help
173 Say Y here if you want to build Marvell USB OTG transciever
174 driver in kernel (including PXA and MMP series). This driver
175 implements role switch between EHCI host driver and gadget driver.
176
177 To compile this driver as a module, choose M here.
178
179 config USB_MXS_PHY
180 tristate "Freescale MXS USB PHY support"
181 depends on ARCH_MXC || ARCH_MXS
182 select STMP_DEVICE
183 help
184 Enable this to support the Freescale MXS USB PHY.
185
186 MXS Phy is used by some of the i.MX SoCs, for example imx23/28/6x.
187
188 config USB_RCAR_PHY
189 tristate "Renesas R-Car USB phy support"
190 depends on USB || USB_GADGET
191 help
192 Say Y here to add support for the Renesas R-Car USB phy driver.
193 This chip is typically used as USB phy for USB host, gadget.
194 This driver supports: R8A7779
195
196 To compile this driver as a module, choose M here: the
197 module will be called rcar-phy.
198
199 config USB_ULPI
200 bool "Generic ULPI Transceiver Driver"
201 depends on ARM
202 help
203 Enable this to support ULPI connected USB OTG transceivers which
204 are likely found on embedded boards.
205
206 config USB_ULPI_VIEWPORT
207 bool
208 depends on USB_ULPI
209 help
210 Provides read/write operations to the ULPI phy register set for
211 controllers with a viewport register (e.g. Chipidea/ARC controllers).
212
213 endif # USB_PHY
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