[U-Boot] [PATCH v2 0/7] Improvements for the dwc3_generic driver

[Jean-Jacques Hiblot]

Hi Marek,

Do you plan to take this series or does it need some rework?

I'm hoping to build on it to support DM_USB on the TI platforms.

JJ


On 29/05/2018 14:36, Jean-Jacques Hiblot wrote:
> This series aims at bringing improvements to the dwc3_generic driver so
> that it can be used by most of the platforms using the dwc3 controller.
> This series applies on top of the master branch of USB tree.
> It also also available on github: https://github.com/jjhiblot/u-boot/tree/dwc3_generic_v2
>
> I tested this on with DRA7 and AM57x platforms for both Peripheral and Host
> operations. The code to enable DM USB host & dev support for those
> platforms will be submitted in a separate series.
>
> Enhancements:
> - use separate Kconfig option for DM USB Periphal and DM USB Host. This
> allow platforms to keep their non-DM USB peripheral code and use the DM
> USB host.
> - fixes the bind/probe confusion in dwc3_generic. The probe is done when
> the USB device is first needed.
> - handles PHYs when in the peripheral mode. The code to handle the PHYs is
> shared with the host side
> - handles clock and reset
> - bind host controller to the more generic driver 'xhci-dwc3'
>
>
> Changes in v2:
> - Updated commit log
> - Fixed typo in thordown.c
> - select DM_USB_DEV by default for zynqmp platforms
>
> Jean-Jacques Hiblot (7):
>    usb: gadget: Do not call board_usb_xxx() directly in USB gadget
>      drivers
>    usb: introduce a separate config option for DM USB device
>    usb: udc: implement DM versions of
>      usb_gadget_initialize()/_release()/_handle_interrupt()
>    dwc3_generic: do not probe the USB device driver when it's bound
>    dwc3: move phy operation to core.c
>    dwc3-generic: Handle the PHYs, the clocks and the reset lines
>    dwc3-generic: Add select_dr_mode operation
>
>   arch/arm/Kconfig                  |   2 +
>   cmd/fastboot.c                    |   4 +-
>   cmd/rockusb.c                     |   4 +-
>   cmd/thordown.c                    |   4 +-
>   cmd/usb_gadget_sdp.c              |   4 +-
>   cmd/usb_mass_storage.c            |   4 +-
>   common/dfu.c                      |   6 +-
>   drivers/usb/Kconfig               |   6 ++
>   drivers/usb/dwc3/Kconfig          |   7 +-
>   drivers/usb/dwc3/core.c           |  86 +++++++++++++++-
>   drivers/usb/dwc3/dwc3-generic.c   | 207 +++++++++++++++++++++++++++++---------
>   drivers/usb/dwc3/ep0.c            |   1 -
>   drivers/usb/gadget/ether.c        |  38 +------
>   drivers/usb/gadget/udc/udc-core.c |  44 +++++++-
>   drivers/usb/host/xhci-dwc3.c      |  93 ++---------------
>   include/dwc3-uboot.h              |   7 ++
>   include/linux/usb/gadget.h        |  18 ++++
>   17 files changed, 351 insertions(+), 184 deletions(-)
>