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- #
- # 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.
-