Tao Ren b9a57990f9 usb: gadget: aspeed: add ast2600 vhub support
Add AST2600 support in aspeed-vhub driver. There are 3 major differences
between AST2500 and AST2600 vhub:
  - AST2600 supports 7 downstream ports while AST2500 supports 5.
  - AST2600 supports 21 generic endpoints while AST2500 supports 15.
  - EP0 data buffer's 8-byte DMA alignment restriction is removed from
    AST2600.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2020-03-15 12:11:47 +02:00

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# SPDX-License-Identifier: GPL-2.0+
config USB_ASPEED_VHUB
tristate "Aspeed vHub UDC driver"
depends on ARCH_ASPEED || COMPILE_TEST
depends on USB_LIBCOMPOSITE
help
USB peripheral controller for the Aspeed AST2400, AST2500 and
AST2600 family SoCs supporting the "vHub" functionality and USB2.0