On 06-09-2019 07:13, Chunfeng Yun wrote: > 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 <mkuo@xxxxxxxxxx> >>>> Hui Fu <hfu@xxxxxxxxxx> >>>> Andrew Bresticker <abrestic@xxxxxxxxxxxx> >>>> >>>> Signed-off-by: Nagarjuna Kristam <nkristam@xxxxxxxxxx> >>>> Acked-by: Thierry Reding <treding@xxxxxxxxxx> >>>> --- >>>> 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. > Thanks for details, will get it enabled via defconfig instead. - Nagarjuna >> >>>> + 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" >>>> > >
