On Thu, 2019-09-05 at 09:57 +0530, Nagarjuna Kristam wrote: > > On 04-09-2019 16:00, Chunfeng Yun wrote: > > On Wed, 2019-09-04 at 13:53 +0530, Nagarjuna Kristam wrote: > >> This patch adds UDC driver for tegra XUSB 3.0 device mode controller. > >> XUSB device mode controller supports SS, HS and FS modes > >> > >> Based on work by: > >> Mark Kuo <m...@nvidia.com> > >> Hui Fu <h...@nvidia.com> > >> Andrew Bresticker <abres...@chromium.org> > >> > >> Signed-off-by: Nagarjuna Kristam <nkris...@nvidia.com> > >> Acked-by: Thierry Reding <tred...@nvidia.com> > >> --- > >> drivers/usb/gadget/udc/Kconfig | 12 + > >> drivers/usb/gadget/udc/Makefile | 1 + > >> drivers/usb/gadget/udc/tegra-xudc.c | 3791 > >> +++++++++++++++++++++++++++++++++++ > >> 3 files changed, 3804 insertions(+) > >> create mode 100644 drivers/usb/gadget/udc/tegra-xudc.c > >> > >> diff --git a/drivers/usb/gadget/udc/Kconfig > >> b/drivers/usb/gadget/udc/Kconfig > >> index d354036..0fe7577 100644 > >> --- a/drivers/usb/gadget/udc/Kconfig > >> +++ b/drivers/usb/gadget/udc/Kconfig > >> @@ -441,6 +441,18 @@ config USB_GADGET_XILINX > >> dynamically linked module called "udc-xilinx" and force all > >> gadget drivers to also be dynamically linked. > >> > >> +config USB_TEGRA_XUDC > >> + tristate "NVIDIA Tegra Superspeed USB 3.0 Device Controller" > >> + depends on ARCH_TEGRA || COMPILE_TEST > >> + depends on PHY_TEGRA_XUSB > >> + select USB_CONN_GPIO > > To me, needn't select this driver, without it, the driver still build > > pass > > > Yes compilation passes with out this. Added select for getting USB_CONN_GPIO > driver functionality. We can enable it in defconfig, think about one day use type-c to do dual-role switch, or other ways, will needn't select it then.
> > >> + help > >> + Enables NVIDIA Tegra USB 3.0 device mode controller driver. > >> + > >> + Say "y" to link the driver statically, or "m" to build a > >> + dynamically linked module called "tegra_xudc" and force all > >> + gadget drivers to also be dynamically linked. > >> + > >> source "drivers/usb/gadget/udc/aspeed-vhub/Kconfig" > >>
