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The USB OTG code has the ability to disable external hubs, but the configuration option for it is oddly named. Rename it to be more obvious as to what it does. Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Bin Liu <b-liu@ti.com> Cc: Paul Cercueil <paul@crapouillou.net> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Eugeniu Rosca <erosca@de.adit-jv.com> Cc: Kai-Heng Feng <kai.heng.feng@canonical.com> Cc: David Heinzelmann <heinzelmann.david@gmail.com> Cc: "Lee, Chiasheng" <chiasheng.lee@intel.com> Cc: Keiya Nobuta <nobuta.keiya@fujitsu.com> Cc: Hardik Gajjar <hgajjar@de.adit-jv.com> Link: https://lore.kernel.org/r/20200618094300.1887727-3-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
174 lines
4.5 KiB
Plaintext
174 lines
4.5 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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#
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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'
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depends on (USB || USB_GADGET)
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depends on HAS_IOMEM
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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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Allwinner SoCs using this IP include A10, A13, A20, ...
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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=y || USB=USB_MUSB_HDRC
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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=y || USB_GADGET=USB_MUSB_HDRC
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depends on HAS_DMA
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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=y || USB=USB_MUSB_HDRC) && (USB_GADGET=y || USB_GADGET=USB_MUSB_HDRC))
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depends on HAS_DMA
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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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comment "Platform Glue Layer"
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config USB_MUSB_SUNXI
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tristate "Allwinner (sunxi)"
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depends on ARCH_SUNXI
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depends on NOP_USB_XCEIV
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depends on PHY_SUN4I_USB
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depends on EXTCON
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select GENERIC_PHY
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select SUNXI_SRAM
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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 NOP_USB_XCEIV
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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 NOP_USB_XCEIV
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select PHY_DA8XX_USB
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config USB_MUSB_TUSB6010
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tristate "TUSB6010"
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depends on HAS_IOMEM
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depends on ARCH_OMAP2PLUS || COMPILE_TEST
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depends on NOP_USB_XCEIV = USB_MUSB_HDRC # both built-in or both modules
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config USB_MUSB_OMAP2PLUS
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tristate "OMAP2430 and onwards"
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depends on ARCH_OMAP2PLUS && USB
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depends on OMAP_CONTROL_PHY || !OMAP_CONTROL_PHY
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select GENERIC_PHY
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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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depends on NOP_USB_XCEIV
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config USB_MUSB_DSPS
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tristate "TI DSPS platforms"
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depends on ARCH_OMAP2PLUS || COMPILE_TEST
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depends on OF_IRQ
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config USB_MUSB_UX500
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tristate "Ux500 platforms"
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depends on ARCH_U8500 || COMPILE_TEST
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config USB_MUSB_JZ4740
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tristate "JZ4740"
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depends on OF
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depends on MIPS || COMPILE_TEST
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depends on USB_MUSB_GADGET
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depends on USB=n || USB_OTG_DISABLE_EXTERNAL_HUB
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select USB_ROLE_SWITCH
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config USB_MUSB_MEDIATEK
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tristate "MediaTek platforms"
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depends on ARCH_MEDIATEK || COMPILE_TEST
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depends on NOP_USB_XCEIV
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depends on GENERIC_PHY
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select USB_ROLE_SWITCH
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comment "MUSB DMA mode"
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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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if !MUSB_PIO_ONLY
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config USB_UX500_DMA
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bool 'ST Ericsson Ux500'
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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_MEDIATEK || USB_MUSB_JZ4740
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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_TI_CPPI41_DMA
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bool 'TI CPPI 4.1'
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depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX) && DMADEVICES
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select TI_CPPI41
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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 = USB_MUSB_HDRC # both built-in or both modules
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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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endif # !MUSB_PIO_ONLY
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endif # USB_MUSB_HDRC
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