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usb: gadget: aspeed: add ast2600 vhub support

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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>
This commit is contained in:
Tao Ren 2020-03-02 22:23:32 -08:00 committed by Felipe Balbi
parent 487bc82801
commit b9a57990f9
2 changed files with 5 additions and 2 deletions
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4
drivers/usb/gadget/udc/aspeed-vhub/Kconfig
View File

@ -4,5 +4,5 @@ config USB_ASPEED_VHUB
depends on ARCH_ASPEED || COMPILE_TEST
depends on USB_LIBCOMPOSITE
help
USB peripheral controller for the Aspeed AST2500 family
SoCs supporting the "vHub" functionality and USB2.0
USB peripheral controller for the Aspeed AST2400, AST2500 and
AST2600 family SoCs supporting the "vHub" functionality and USB2.0

3
drivers/usb/gadget/udc/aspeed-vhub/core.c
View File

@ -423,6 +423,9 @@ static const struct of_device_id ast_vhub_dt_ids[] = {
{
.compatible = "aspeed,ast2500-usb-vhub",
},
{
.compatible = "aspeed,ast2600-usb-vhub",
},
{ }
};
MODULE_DEVICE_TABLE(of, ast_vhub_dt_ids);