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 TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA 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 36choice 37 prompt "Platform Glue Layer" 38 depends on USB_MUSB_HDRC 39 40config USB_MUSB_DAVINCI 41 tristate "DaVinci" 42 depends on ARCH_DAVINCI_DMx 43 44config USB_MUSB_DA8XX 45 tristate "DA8xx/OMAP-L1x" 46 depends on ARCH_DAVINCI_DA8XX 47 48config USB_MUSB_TUSB6010 49 tristate "TUSB6010" 50 depends on ARCH_OMAP 51 52config USB_MUSB_OMAP2PLUS 53 tristate "OMAP2430 and onwards" 54 depends on ARCH_OMAP2PLUS 55 56config USB_MUSB_AM35X 57 tristate "AM35x" 58 depends on ARCH_OMAP 59 60config USB_MUSB_BLACKFIN 61 tristate "Blackfin" 62 depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523) 63 64config USB_MUSB_UX500 65 tristate "U8500 and U5500" 66 depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500) 67 68endchoice 69 70choice 71 prompt "Driver Mode" 72 depends on USB_MUSB_HDRC 73 help 74 Dual-Role devices can support both host and peripheral roles, 75 as well as a the special "OTG Device" role which can switch 76 between both roles as needed. 77 78# use USB_MUSB_HDRC_HCD not USB_MUSB_HOST to #ifdef host side support; 79# OTG needs both roles, not just USB_MUSB_HOST. 80config USB_MUSB_HOST 81 depends on USB 82 bool "USB Host" 83 help 84 Say Y here if your system supports the USB host role. 85 If it has a USB "A" (rectangular), "Mini-A" (uncommon), 86 or "Mini-AB" connector, it supports the host role. 87 (With a "Mini-AB" connector, you should enable USB OTG.) 88 89# use USB_GADGET_MUSB_HDRC not USB_MUSB_PERIPHERAL to #ifdef peripheral 90# side support ... OTG needs both roles 91config USB_MUSB_PERIPHERAL 92 depends on USB_GADGET 93 bool "USB Peripheral (gadget stack)" 94 select USB_GADGET_MUSB_HDRC 95 help 96 Say Y here if your system supports the USB peripheral role. 97 If it has a USB "B" (squarish), "Mini-B", or "Mini-AB" 98 connector, it supports the peripheral role. 99 (With a "Mini-AB" connector, you should enable USB OTG.) 100 101config USB_MUSB_OTG 102 depends on USB && USB_GADGET && PM && EXPERIMENTAL 103 bool "Both host and peripheral: USB OTG (On The Go) Device" 104 select USB_GADGET_MUSB_HDRC 105 select USB_OTG 106 help 107 The most notable feature of USB OTG is support for a 108 "Dual-Role" device, which can act as either a device 109 or a host. The initial role choice can be changed 110 later, when two dual-role devices talk to each other. 111 112 At this writing, the OTG support in this driver is incomplete, 113 omitting the mandatory HNP or SRP protocols. However, some 114 of the cable based role switching works. (That is, grounding 115 the ID pin switches the controller to host mode, while leaving 116 it floating leaves it in peripheral mode.) 117 118 Select this if your system has a Mini-AB connector, or 119 to simplify certain kinds of configuration. 120 121 To implement your OTG Targeted Peripherals List (TPL), enable 122 USB_OTG_WHITELIST and update "drivers/usb/core/otg_whitelist.h" 123 to match your requirements. 124 125endchoice 126 127# enable peripheral support (including with OTG) 128config USB_GADGET_MUSB_HDRC 129 bool 130 depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG) 131# default y 132# select USB_GADGET_DUALSPEED 133# select USB_GADGET_SELECTED 134 135# enables host support (including with OTG) 136config USB_MUSB_HDRC_HCD 137 bool 138 depends on USB_MUSB_HDRC && (USB_MUSB_HOST || USB_MUSB_OTG) 139 select USB_OTG if USB_GADGET_MUSB_HDRC 140 default y 141 142 143config MUSB_PIO_ONLY 144 bool 'Disable DMA (always use PIO)' 145 depends on USB_MUSB_HDRC 146 default USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X 147 help 148 All data is copied between memory and FIFO by the CPU. 149 DMA controllers are ignored. 150 151 Do not select 'n' here unless DMA support for your SOC or board 152 is unavailable (or unstable). When DMA is enabled at compile time, 153 you can still disable it at run time using the "use_dma=n" module 154 parameter. 155 156config USB_UX500_DMA 157 bool 158 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 159 default USB_MUSB_UX500 160 help 161 Enable DMA transfers on UX500 platforms. 162 163config USB_INVENTRA_DMA 164 bool 165 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 166 default USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN 167 help 168 Enable DMA transfers using Mentor's engine. 169 170config USB_TI_CPPI_DMA 171 bool 172 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 173 default USB_MUSB_DAVINCI 174 help 175 Enable DMA transfers when TI CPPI DMA is available. 176 177config USB_TUSB_OMAP_DMA 178 bool 179 depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY 180 depends on USB_MUSB_TUSB6010 181 depends on ARCH_OMAP 182 default y 183 help 184 Enable DMA transfers on TUSB 6010 when OMAP DMA is available. 185 186