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