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 NOP_USB_XCEIV if ARCH_DAVINCI 14 select TWL4030_USB if MACH_OMAP_3430SDP 15 select NOP_USB_XCEIV if MACH_OMAP3EVM 16 select USB_OTG_UTILS 17 tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' 18 help 19 Say Y here if your system has a dual role high speed USB 20 controller based on the Mentor Graphics silicon IP. Then 21 configure options to match your silicon and the board 22 it's being used with, including the USB peripheral role, 23 or the USB host role, or both. 24 25 Texas Instruments familiies using this IP include DaVinci 26 (35x, 644x ...), OMAP 243x, OMAP 3, and TUSB 6010. 27 28 Analog Devices parts using this IP include Blackfin BF54x, 29 BF525 and BF527. 30 31 If you do not know what this is, please say N. 32 33 To compile this driver as a module, choose M here; the 34 module will be called "musb_hdrc". 35 36config USB_MUSB_SOC 37 boolean 38 depends on USB_MUSB_HDRC 39 default y if ARCH_DAVINCI 40 default y if ARCH_OMAP2430 41 default y if ARCH_OMAP34XX 42 default y if (BF54x && !BF544) 43 default y if (BF52x && !BF522 && !BF523) 44 45comment "DaVinci 35x and 644x USB support" 46 depends on USB_MUSB_HDRC && ARCH_DAVINCI 47 48comment "OMAP 243x high speed USB support" 49 depends on USB_MUSB_HDRC && ARCH_OMAP2430 50 51comment "OMAP 343x high speed USB support" 52 depends on USB_MUSB_HDRC && ARCH_OMAP34XX 53 54comment "Blackfin high speed USB Support" 55 depends on USB_MUSB_HDRC && ((BF54x && !BF544) || (BF52x && !BF522 && !BF523)) 56 57config USB_TUSB6010 58 boolean "TUSB 6010 support" 59 depends on USB_MUSB_HDRC && !USB_MUSB_SOC 60 select NOP_USB_XCEIV 61 default y 62 help 63 The TUSB 6010 chip, from Texas Instruments, connects a discrete 64 HDRC core using a 16-bit parallel bus (NOR flash style) or VLYNQ 65 (a high speed serial link). It can use system-specific external 66 DMA controllers. 67 68choice 69 prompt "Driver Mode" 70 depends on USB_MUSB_HDRC 71 help 72 Dual-Role devices can support both host and peripheral roles, 73 as well as a the special "OTG Device" role which can switch 74 between both roles as needed. 75 76# use USB_MUSB_HDRC_HCD not USB_MUSB_HOST to #ifdef host side support; 77# OTG needs both roles, not just USB_MUSB_HOST. 78config USB_MUSB_HOST 79 depends on USB 80 bool "USB Host" 81 help 82 Say Y here if your system supports the USB host role. 83 If it has a USB "A" (rectangular), "Mini-A" (uncommon), 84 or "Mini-AB" connector, it supports the host role. 85 (With a "Mini-AB" connector, you should enable USB OTG.) 86 87# use USB_GADGET_MUSB_HDRC not USB_MUSB_PERIPHERAL to #ifdef peripheral 88# side support ... OTG needs both roles 89config USB_MUSB_PERIPHERAL 90 depends on USB_GADGET 91 bool "USB Peripheral (gadget stack)" 92 select USB_GADGET_MUSB_HDRC 93 help 94 Say Y here if your system supports the USB peripheral role. 95 If it has a USB "B" (squarish), "Mini-B", or "Mini-AB" 96 connector, it supports the peripheral role. 97 (With a "Mini-AB" connector, you should enable USB OTG.) 98 99config USB_MUSB_OTG 100 depends on USB && USB_GADGET && PM && EXPERIMENTAL 101 bool "Both host and peripheral: USB OTG (On The Go) Device" 102 select USB_GADGET_MUSB_HDRC 103 select USB_OTG 104 help 105 The most notable feature of USB OTG is support for a 106 "Dual-Role" device, which can act as either a device 107 or a host. The initial role choice can be changed 108 later, when two dual-role devices talk to each other. 109 110 At this writing, the OTG support in this driver is incomplete, 111 omitting the mandatory HNP or SRP protocols. However, some 112 of the cable based role switching works. (That is, grounding 113 the ID pin switches the controller to host mode, while leaving 114 it floating leaves it in peripheral mode.) 115 116 Select this if your system has a Mini-AB connector, or 117 to simplify certain kinds of configuration. 118 119 To implement your OTG Targeted Peripherals List (TPL), enable 120 USB_OTG_WHITELIST and update "drivers/usb/core/otg_whitelist.h" 121 to match your requirements. 122 123endchoice 124 125# enable peripheral support (including with OTG) 126config USB_GADGET_MUSB_HDRC 127 bool 128 depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG) 129# default y 130# select USB_GADGET_DUALSPEED 131# select USB_GADGET_SELECTED 132 133# enables host support (including with OTG) 134config USB_MUSB_HDRC_HCD 135 bool 136 depends on USB_MUSB_HDRC && (USB_MUSB_HOST || USB_MUSB_OTG) 137 select USB_OTG if USB_GADGET_MUSB_HDRC 138 default y 139 140 141config MUSB_PIO_ONLY 142 bool 'Disable DMA (always use PIO)' 143 depends on USB_MUSB_HDRC 144 default y if USB_TUSB6010 145 help 146 All data is copied between memory and FIFO by the CPU. 147 DMA controllers are ignored. 148 149 Do not select 'n' here unless DMA support for your SOC or board 150 is unavailable (or unstable). When DMA is enabled at compile time, 151 you can still disable it at run time using the "use_dma=n" module 152 parameter. 153 154config USB_INVENTRA_DMA 155 bool 156 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 157 default ARCH_OMAP2430 || ARCH_OMAP34XX || BLACKFIN 158 help 159 Enable DMA transfers using Mentor's engine. 160 161config USB_TI_CPPI_DMA 162 bool 163 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 164 default ARCH_DAVINCI 165 help 166 Enable DMA transfers when TI CPPI DMA is available. 167 168config USB_TUSB_OMAP_DMA 169 bool 170 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 171 depends on USB_TUSB6010 172 depends on ARCH_OMAP 173 default y 174 help 175 Enable DMA transfers on TUSB 6010 when OMAP DMA is available. 176 177config USB_MUSB_DEBUG 178 depends on USB_MUSB_HDRC 179 bool "Enable debugging messages" 180 default n 181 help 182 This enables musb debugging. To set the logging level use the debug 183 module parameter. Starting at level 3, per-transfer (urb, usb_request, 184 packet, or dma transfer) tracing may kick in. 185