1# 2# USB Dual Role (OTG-ready) Controller Drivers 3# for silicon based on Mentor Graphics INVENTRA designs 4# 5 6comment "Enable Host or Gadget support to see Inventra options" 7 depends on !USB && USB_GADGET=n 8 9# (M)HDRC = (Multipoint) Highspeed Dual-Role Controller 10config USB_MUSB_HDRC 11 depends on (USB || USB_GADGET) && HAVE_CLK 12 depends on !SUPERH 13 select TWL4030_USB if MACH_OMAP_3430SDP 14 tristate 'Inventra Highspeed Dual Role Controller (TI, ...)' 15 help 16 Say Y here if your system has a dual role high speed USB 17 controller based on the Mentor Graphics silicon IP. Then 18 configure options to match your silicon and the board 19 it's being used with, including the USB peripheral role, 20 or the USB host role, or both. 21 22 Texas Instruments parts using this IP include DaVinci 644x, 23 OMAP 243x, OMAP 343x, and TUSB 6010. 24 25 If you do not know what this is, please say N. 26 27 To compile this driver as a module, choose M here; the 28 module will be called "musb_hdrc". 29 30config USB_MUSB_SOC 31 boolean 32 depends on USB_MUSB_HDRC 33 default y if ARCH_DAVINCI 34 default y if ARCH_OMAP2430 35 default y if ARCH_OMAP34XX 36 37comment "DaVinci 644x USB support" 38 depends on USB_MUSB_HDRC && ARCH_DAVINCI 39 40comment "OMAP 243x high speed USB support" 41 depends on USB_MUSB_HDRC && ARCH_OMAP2430 42 43comment "OMAP 343x high speed USB support" 44 depends on USB_MUSB_HDRC && ARCH_OMAP34XX 45 46config USB_TUSB6010 47 boolean "TUSB 6010 support" 48 depends on USB_MUSB_HDRC && !USB_MUSB_SOC 49 default y 50 help 51 The TUSB 6010 chip, from Texas Instruments, connects a discrete 52 HDRC core using a 16-bit parallel bus (NOR flash style) or VLYNQ 53 (a high speed serial link). It can use system-specific external 54 DMA controllers. 55 56choice 57 prompt "Driver Mode" 58 depends on USB_MUSB_HDRC 59 help 60 Dual-Role devices can support both host and peripheral roles, 61 as well as a the special "OTG Device" role which can switch 62 between both roles as needed. 63 64# use USB_MUSB_HDRC_HCD not USB_MUSB_HOST to #ifdef host side support; 65# OTG needs both roles, not just USB_MUSB_HOST. 66config USB_MUSB_HOST 67 depends on USB 68 bool "USB Host" 69 help 70 Say Y here if your system supports the USB host role. 71 If it has a USB "A" (rectangular), "Mini-A" (uncommon), 72 or "Mini-AB" connector, it supports the host role. 73 (With a "Mini-AB" connector, you should enable USB OTG.) 74 75# use USB_GADGET_MUSB_HDRC not USB_MUSB_PERIPHERAL to #ifdef peripheral 76# side support ... OTG needs both roles 77config USB_MUSB_PERIPHERAL 78 depends on USB_GADGET 79 bool "USB Peripheral (gadget stack)" 80 select USB_GADGET_MUSB_HDRC 81 help 82 Say Y here if your system supports the USB peripheral role. 83 If it has a USB "B" (squarish), "Mini-B", or "Mini-AB" 84 connector, it supports the peripheral role. 85 (With a "Mini-AB" connector, you should enable USB OTG.) 86 87config USB_MUSB_OTG 88 depends on USB && USB_GADGET && PM && EXPERIMENTAL 89 bool "Both host and peripheral: USB OTG (On The Go) Device" 90 select USB_GADGET_MUSB_HDRC 91 select USB_OTG 92 help 93 The most notable feature of USB OTG is support for a 94 "Dual-Role" device, which can act as either a device 95 or a host. The initial role choice can be changed 96 later, when two dual-role devices talk to each other. 97 98 At this writing, the OTG support in this driver is incomplete, 99 omitting the mandatory HNP or SRP protocols. However, some 100 of the cable based role switching works. (That is, grounding 101 the ID pin switches the controller to host mode, while leaving 102 it floating leaves it in peripheral mode.) 103 104 Select this if your system has a Mini-AB connector, or 105 to simplify certain kinds of configuration. 106 107 To implement your OTG Targeted Peripherals List (TPL), enable 108 USB_OTG_WHITELIST and update "drivers/usb/core/otg_whitelist.h" 109 to match your requirements. 110 111endchoice 112 113# enable peripheral support (including with OTG) 114config USB_GADGET_MUSB_HDRC 115 bool 116 depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG) 117# default y 118# select USB_GADGET_DUALSPEED 119# select USB_GADGET_SELECTED 120 121# enables host support (including with OTG) 122config USB_MUSB_HDRC_HCD 123 bool 124 depends on USB_MUSB_HDRC && (USB_MUSB_HOST || USB_MUSB_OTG) 125 select USB_OTG if USB_GADGET_MUSB_HDRC 126 default y 127 128 129config MUSB_PIO_ONLY 130 bool 'Disable DMA (always use PIO)' 131 depends on USB_MUSB_HDRC 132 default y if USB_TUSB6010 133 help 134 All data is copied between memory and FIFO by the CPU. 135 DMA controllers are ignored. 136 137 Do not select 'n' here unless DMA support for your SOC or board 138 is unavailable (or unstable). When DMA is enabled at compile time, 139 you can still disable it at run time using the "use_dma=n" module 140 parameter. 141 142config USB_INVENTRA_DMA 143 bool 144 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 145 default ARCH_OMAP2430 || ARCH_OMAP34XX 146 help 147 Enable DMA transfers using Mentor's engine. 148 149config USB_TI_CPPI_DMA 150 bool 151 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 152 default ARCH_DAVINCI 153 help 154 Enable DMA transfers when TI CPPI DMA is available. 155 156config USB_TUSB_OMAP_DMA 157 bool 158 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 159 depends on USB_TUSB6010 160 depends on ARCH_OMAP 161 default y 162 help 163 Enable DMA transfers on TUSB 6010 when OMAP DMA is available. 164 165config USB_MUSB_DEBUG 166 depends on USB_MUSB_HDRC 167 bool "Enable debugging messages" 168 default n 169 help 170 This enables musb debugging. To set the logging level use the debug 171 module parameter. Starting at level 3, per-transfer (urb, usb_request, 172 packet, or dma transfer) tracing may kick in. 173