97238b35d5
This moves the two instances from the big node into two child nodes. The glue layer ontop does almost nothing. There is one devices containing the control module for USB (2) phy, (2) usb and later the dma engine. The usb device is the "glue device" which contains the musb device as a child. This is what we do ever since. The new file musb_am335x is just here to prob the new bus and populate child devices. There are a lot of changes to the dsps file as a result of the changes: - musb_core_offset This is gone. The device tree provides memory ressources information for the device there is no need to "fix" things - instances This is gone as well. If we have two instances then we have have two child enabled nodes in the device tree. For instance the SoC in beagle bone has two USB instances but only one has been wired up so there is no need to load and init the second instance since it won't be used. - dsps_glue is now per glue device In the past there was one of this structs but with an array of two and each instance accessed its variable depending on the platform device id. - no unneeded copy of structs I do not know why struct dsps_musb_wrapper is copied but it is not necessary. The same goes for musb_hdrc_platform_data which allocated on demand and then again by platform_device_add_data(). One copy is enough. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
153 lines
3.9 KiB
Plaintext
153 lines
3.9 KiB
Plaintext
#
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# USB Dual Role (OTG-ready) Controller Drivers
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# for silicon based on Mentor Graphics INVENTRA designs
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#
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# (M)HDRC = (Multipoint) Highspeed Dual-Role Controller
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config USB_MUSB_HDRC
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tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)'
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depends on USB_GADGET
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help
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Say Y here if your system has a dual role high speed USB
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controller based on the Mentor Graphics silicon IP. Then
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configure options to match your silicon and the board
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it's being used with, including the USB peripheral role,
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or the USB host role, or both.
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Texas Instruments families using this IP include DaVinci
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(35x, 644x ...), OMAP 243x, OMAP 3, and TUSB 6010.
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Analog Devices parts using this IP include Blackfin BF54x,
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BF525 and BF527.
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If you do not know what this is, please say N.
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To compile this driver as a module, choose M here; the
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module will be called "musb-hdrc".
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if USB_MUSB_HDRC
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choice
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bool "MUSB Mode Selection"
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default USB_MUSB_DUAL_ROLE if (USB && USB_GADGET)
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default USB_MUSB_HOST if (USB && !USB_GADGET)
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default USB_MUSB_GADGET if (!USB && USB_GADGET)
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config USB_MUSB_HOST
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bool "Host only mode"
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depends on USB
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help
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Select this when you want to use MUSB in host mode only,
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thereby the gadget feature will be regressed.
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config USB_MUSB_GADGET
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bool "Gadget only mode"
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depends on USB_GADGET
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help
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Select this when you want to use MUSB in gadget mode only,
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thereby the host feature will be regressed.
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config USB_MUSB_DUAL_ROLE
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bool "Dual Role mode"
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depends on (USB && USB_GADGET)
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help
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This is the default mode of working of MUSB controller where
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both host and gadget features are enabled.
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endchoice
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choice
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prompt "Platform Glue Layer"
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config USB_MUSB_DAVINCI
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tristate "DaVinci"
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depends on ARCH_DAVINCI_DMx
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depends on BROKEN
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config USB_MUSB_DA8XX
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tristate "DA8xx/OMAP-L1x"
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depends on ARCH_DAVINCI_DA8XX
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depends on BROKEN
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config USB_MUSB_TUSB6010
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tristate "TUSB6010"
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depends on GENERIC_HARDIRQS
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config USB_MUSB_OMAP2PLUS
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tristate "OMAP2430 and onwards"
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depends on ARCH_OMAP2PLUS
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config USB_MUSB_AM35X
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tristate "AM35x"
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depends on ARCH_OMAP
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config USB_MUSB_DSPS
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tristate "TI DSPS platforms"
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select USB_MUSB_AM335X_CHILD
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config USB_MUSB_BLACKFIN
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tristate "Blackfin"
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depends on (BF54x && !BF544) || (BF52x && ! BF522 && !BF523)
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config USB_MUSB_UX500
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tristate "U8500 and U5500"
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endchoice
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config USB_MUSB_AM335X_CHILD
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tristate
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choice
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prompt 'MUSB DMA mode'
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default MUSB_PIO_ONLY if ARCH_MULTIPLATFORM
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default USB_UX500_DMA if USB_MUSB_UX500
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default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
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default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI
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default USB_TUSB_OMAP_DMA if USB_MUSB_TUSB6010
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default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X \
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|| USB_MUSB_DSPS
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help
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Unfortunately, only one option can be enabled here. Ideally one
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should be able to build all these drivers into one kernel to
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allow using DMA on multiplatform kernels.
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config USB_UX500_DMA
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bool 'ST Ericsson U8500 and U5500'
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depends on USB_MUSB_UX500
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help
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Enable DMA transfers on UX500 platforms.
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config USB_INVENTRA_DMA
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bool 'Inventra'
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depends on USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN
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help
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Enable DMA transfers using Mentor's engine.
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config USB_TI_CPPI_DMA
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bool 'TI CPPI (Davinci)'
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depends on USB_MUSB_DAVINCI
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help
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Enable DMA transfers when TI CPPI DMA is available.
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config USB_TUSB_OMAP_DMA
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bool 'TUSB 6010'
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depends on USB_MUSB_TUSB6010
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depends on ARCH_OMAP
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help
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Enable DMA transfers on TUSB 6010 when OMAP DMA is available.
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config MUSB_PIO_ONLY
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bool 'Disable DMA (always use PIO)'
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help
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All data is copied between memory and FIFO by the CPU.
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DMA controllers are ignored.
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Do not choose this unless DMA support for your SOC or board
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is unavailable (or unstable). When DMA is enabled at compile time,
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you can still disable it at run time using the "use_dma=n" module
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parameter.
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endchoice
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endif # USB_MUSB_HDRC
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