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) 12 depends on (ARM || (BF54x && !BF544) || (BF52x && !BF522 && !BF523)) 13 select NOP_USB_XCEIV if (ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN) 14 select TWL4030_USB if MACH_OMAP_3430SDP 15 select USB_OTG_UTILS 16 tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' 17 help 18 Say Y here if your system has a dual role high speed USB 19 controller based on the Mentor Graphics silicon IP. Then 20 configure options to match your silicon and the board 21 it's being used with, including the USB peripheral role, 22 or the USB host role, or both. 23 24 Texas Instruments familiies using this IP include DaVinci 25 (35x, 644x ...), OMAP 243x, OMAP 3, and TUSB 6010. 26 27 Analog Devices parts using this IP include Blackfin BF54x, 28 BF525 and BF527. 29 30 If you do not know what this is, please say N. 31 32 To compile this driver as a module, choose M here; the 33 module will be called "musb_hdrc". 34 35config USB_MUSB_SOC 36 boolean 37 depends on USB_MUSB_HDRC 38 default y if ARCH_DAVINCI 39 default y if ARCH_OMAP2430 40 default y if ARCH_OMAP3 41 default y if ARCH_OMAP4 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_DMx 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_OMAP3 53 54comment "OMAP 44xx high speed USB support" 55 depends on USB_MUSB_HDRC && ARCH_OMAP4 56 57comment "Blackfin high speed USB Support" 58 depends on USB_MUSB_HDRC && ((BF54x && !BF544) || (BF52x && !BF522 && !BF523)) 59 60config USB_TUSB6010 61 boolean "TUSB 6010 support" 62 depends on USB_MUSB_HDRC && !USB_MUSB_SOC 63 select NOP_USB_XCEIV 64 default y 65 help 66 The TUSB 6010 chip, from Texas Instruments, connects a discrete 67 HDRC core using a 16-bit parallel bus (NOR flash style) or VLYNQ 68 (a high speed serial link). It can use system-specific external 69 DMA controllers. 70 71choice 72 prompt "Driver Mode" 73 depends on USB_MUSB_HDRC 74 help 75 Dual-Role devices can support both host and peripheral roles, 76 as well as a the special "OTG Device" role which can switch 77 between both roles as needed. 78 79# use USB_MUSB_HDRC_HCD not USB_MUSB_HOST to #ifdef host side support; 80# OTG needs both roles, not just USB_MUSB_HOST. 81config USB_MUSB_HOST 82 depends on USB 83 bool "USB Host" 84 help 85 Say Y here if your system supports the USB host role. 86 If it has a USB "A" (rectangular), "Mini-A" (uncommon), 87 or "Mini-AB" connector, it supports the host role. 88 (With a "Mini-AB" connector, you should enable USB OTG.) 89 90# use USB_GADGET_MUSB_HDRC not USB_MUSB_PERIPHERAL to #ifdef peripheral 91# side support ... OTG needs both roles 92config USB_MUSB_PERIPHERAL 93 depends on USB_GADGET 94 bool "USB Peripheral (gadget stack)" 95 select USB_GADGET_MUSB_HDRC 96 help 97 Say Y here if your system supports the USB peripheral role. 98 If it has a USB "B" (squarish), "Mini-B", or "Mini-AB" 99 connector, it supports the peripheral role. 100 (With a "Mini-AB" connector, you should enable USB OTG.) 101 102config USB_MUSB_OTG 103 depends on USB && USB_GADGET && PM && EXPERIMENTAL 104 bool "Both host and peripheral: USB OTG (On The Go) Device" 105 select USB_GADGET_MUSB_HDRC 106 select USB_OTG 107 help 108 The most notable feature of USB OTG is support for a 109 "Dual-Role" device, which can act as either a device 110 or a host. The initial role choice can be changed 111 later, when two dual-role devices talk to each other. 112 113 At this writing, the OTG support in this driver is incomplete, 114 omitting the mandatory HNP or SRP protocols. However, some 115 of the cable based role switching works. (That is, grounding 116 the ID pin switches the controller to host mode, while leaving 117 it floating leaves it in peripheral mode.) 118 119 Select this if your system has a Mini-AB connector, or 120 to simplify certain kinds of configuration. 121 122 To implement your OTG Targeted Peripherals List (TPL), enable 123 USB_OTG_WHITELIST and update "drivers/usb/core/otg_whitelist.h" 124 to match your requirements. 125 126endchoice 127 128# enable peripheral support (including with OTG) 129config USB_GADGET_MUSB_HDRC 130 bool 131 depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG) 132# default y 133# select USB_GADGET_DUALSPEED 134# select USB_GADGET_SELECTED 135 136# enables host support (including with OTG) 137config USB_MUSB_HDRC_HCD 138 bool 139 depends on USB_MUSB_HDRC && (USB_MUSB_HOST || USB_MUSB_OTG) 140 select USB_OTG if USB_GADGET_MUSB_HDRC 141 default y 142 143 144config MUSB_PIO_ONLY 145 bool 'Disable DMA (always use PIO)' 146 depends on USB_MUSB_HDRC 147 default y if USB_TUSB6010 148 help 149 All data is copied between memory and FIFO by the CPU. 150 DMA controllers are ignored. 151 152 Do not select 'n' here unless DMA support for your SOC or board 153 is unavailable (or unstable). When DMA is enabled at compile time, 154 you can still disable it at run time using the "use_dma=n" module 155 parameter. 156 157config USB_INVENTRA_DMA 158 bool 159 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 160 default ARCH_OMAP2430 || ARCH_OMAP3 || BLACKFIN || ARCH_OMAP4 161 help 162 Enable DMA transfers using Mentor's engine. 163 164config USB_TI_CPPI_DMA 165 bool 166 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 167 default ARCH_DAVINCI 168 help 169 Enable DMA transfers when TI CPPI DMA is available. 170 171config USB_TUSB_OMAP_DMA 172 bool 173 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 174 depends on USB_TUSB6010 175 depends on ARCH_OMAP 176 default y 177 help 178 Enable DMA transfers on TUSB 6010 when OMAP DMA is available. 179 180config USB_MUSB_DEBUG 181 depends on USB_MUSB_HDRC 182 bool "Enable debugging messages" 183 default n 184 help 185 This enables musb debugging. To set the logging level use the debug 186 module parameter. Starting at level 3, per-transfer (urb, usb_request, 187 packet, or dma transfer) tracing may kick in. 188