diff options
Diffstat (limited to 'drivers/usb/musb/Kconfig')
| -rw-r--r-- | drivers/usb/musb/Kconfig | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig new file mode 100644 index 00000000000..4b9542bbb35 --- /dev/null +++ b/drivers/usb/musb/Kconfig @@ -0,0 +1,172 @@ +# +# USB Dual Role (OTG-ready) Controller Drivers +# for silicon based on Mentor Graphics INVENTRA designs +# + +comment "Enable Host or Gadget support to see Inventra options" + depends on !USB && USB_GADGET=n + +# (M)HDRC = (Multipoint) Highspeed Dual-Role Controller +config USB_MUSB_HDRC + depends on (USB || USB_GADGET) && HAVE_CLK + depends on !SUPERH + select TWL4030_USB if MACH_OMAP_3430SDP + tristate 'Inventra Highspeed Dual Role Controller (TI, ...)' + help + Say Y here if your system has a dual role high speed USB + controller based on the Mentor Graphics silicon IP. Then + configure options to match your silicon and the board + it's being used with, including the USB peripheral role, + or the USB host role, or both. + + Texas Instruments parts using this IP include DaVinci 644x, + OMAP 243x, OMAP 343x, and TUSB 6010. + + If you do not know what this is, please say N. + + To compile this driver as a module, choose M here; the + module will be called "musb_hdrc". + +config USB_MUSB_SOC + boolean + depends on USB_MUSB_HDRC + default y if ARCH_DAVINCI + default y if ARCH_OMAP2430 + default y if ARCH_OMAP34XX + +comment "DaVinci 644x USB support" + depends on USB_MUSB_HDRC && ARCH_DAVINCI + +comment "OMAP 243x high speed USB support" + depends on USB_MUSB_HDRC && ARCH_OMAP2430 + +comment "OMAP 343x high speed USB support" + depends on USB_MUSB_HDRC && ARCH_OMAP34XX + +config USB_TUSB6010 + boolean "TUSB 6010 support" + depends on USB_MUSB_HDRC && !USB_MUSB_SOC + default y + help + The TUSB 6010 chip, from Texas Instruments, connects a discrete + HDRC core using a 16-bit parallel bus (NOR flash style) or VLYNQ + (a high speed serial link). It can use system-specific external + DMA controllers. + +choice + prompt "Driver Mode" + depends on USB_MUSB_HDRC + help + Dual-Role devices can support both host and peripheral roles, + as well as a the special "OTG Device" role which can switch + between both roles as needed. + +# use USB_MUSB_HDRC_HCD not USB_MUSB_HOST to #ifdef host side support; +# OTG needs both roles, not just USB_MUSB_HOST. +config USB_MUSB_HOST + depends on USB + bool "USB Host" + help + Say Y here if your system supports the USB host role. + If it has a USB "A" (rectangular), "Mini-A" (uncommon), + or "Mini-AB" connector, it supports the host role. + (With a "Mini-AB" connector, you should enable USB OTG.) + +# use USB_GADGET_MUSB_HDRC not USB_MUSB_PERIPHERAL to #ifdef peripheral +# side support ... OTG needs both roles +config USB_MUSB_PERIPHERAL + depends on USB_GADGET + bool "USB Peripheral (gadget stack)" + select USB_GADGET_MUSB_HDRC + help + Say Y here if your system supports the USB peripheral role. + If it has a USB "B" (squarish), "Mini-B", or "Mini-AB" + connector, it supports the peripheral role. + (With a "Mini-AB" connector, you should enable USB OTG.) + +config USB_MUSB_OTG + depends on USB && USB_GADGET && PM && EXPERIMENTAL + bool "Both host and peripheral: USB OTG (On The Go) Device" + select USB_GADGET_MUSB_HDRC + select USB_OTG + help + The most notable feature of USB OTG is support for a + "Dual-Role" device, which can act as either a device + or a host. The initial role choice can be changed + later, when two dual-role devices talk to each other. + + At this writing, the OTG support in this driver is incomplete, + omitting the mandatory HNP or SRP protocols. However, some + of the cable based role switching works. (That is, grounding + the ID pin switches the controller to host mode, while leaving + it floating leaves it in peripheral mode.) + + Select this if your system has a Mini-AB connector, or + to simplify certain kinds of configuration. + + To implement your OTG Targeted Peripherals List (TPL), enable + USB_OTG_WHITELIST and update "drivers/usb/core/otg_whitelist.h" + to match your requirements. + +endchoice + +# enable peripheral support (including with OTG) +config USB_GADGET_MUSB_HDRC + bool + depends on USB_MUSB_HDRC && (USB_MUSB_PERIPHERAL || USB_MUSB_OTG) +# default y +# select USB_GADGET_DUALSPEED +# select USB_GADGET_SELECTED + +# enables host support (including with OTG) +config USB_MUSB_HDRC_HCD + bool + depends on USB_MUSB_HDRC && (USB_MUSB_HOST || USB_MUSB_OTG) + select USB_OTG if USB_GADGET_MUSB_HDRC + default y + + +config MUSB_PIO_ONLY + bool 'Disable DMA (always use PIO)' + depends on USB_MUSB_HDRC + default y if USB_TUSB6010 + help + All data is copied between memory and FIFO by the CPU. + DMA controllers are ignored. + + Do not select 'n' here unless DMA support for your SOC or board + is unavailable (or unstable). When DMA is enabled at compile time, + you can still disable it at run time using the "use_dma=n" module + parameter. + +config USB_INVENTRA_DMA + bool + depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY + default ARCH_OMAP2430 || ARCH_OMAP34XX + help + Enable DMA transfers using Mentor's engine. + +config USB_TI_CPPI_DMA + bool + depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY + default ARCH_DAVINCI + help + Enable DMA transfers when TI CPPI DMA is available. + +config USB_TUSB_OMAP_DMA + bool + depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY + depends on USB_TUSB6010 + depends on ARCH_OMAP + default y + help + Enable DMA transfers on TUSB 6010 when OMAP DMA is available. + +config USB_MUSB_DEBUG + depends on USB_MUSB_HDRC + bool "Enable debugging messages" + default n + help + This enables musb debugging. To set the logging level use the debug + module parameter. Starting at level 3, per-transfer (urb, usb_request, + packet, or dma transfer) tracing may kick in. |