[U-Boot] [PATCH v3 0/8] Improvements for the dwc3_generic driver

Jean-Jacques Hiblot jjhiblot at ti.com
Fri Oct 26 10:25:33 UTC 2018


Andy, Kerver, Lin,

could you give a try to this series on evb-rk3328 please ? This has been 
blocked for a long time already.

Thanks,

JJ

On 22/10/2018 18:24, Jean-Jacques Hiblot wrote:
>
>
> On 22/10/2018 18:16, Lukasz Majewski wrote:
>> Hi Jean-Jacques,
>>
>>> Hi Lukasz,
>>>
>>> gentle ping on the status on this series.
>> Do we have tested by from somebody from RockChip community?
> I haven't seen anything on the ML. I pinged Kever Yang earlier today 
> about it.
>
> JJ
>>
>>> JJ
>>>
>>>
>>> On 09/10/2018 16:29, Loic Devulder wrote:
>>>> On 9/25/18 11:03 AM, 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.
>>>>>
>>>>> 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.
>>>>>
>>>>> Michal Simek has tested this series:
>>>>> " I have tested it on zcu100 with usb stick, usb to ethernet
>>>>> converter and also dfu.
>>>>> Tested-by: Michal Simek <michal.simek at xilinx.com>"
>>>> Tested-by: Loic Devulder <ldevulder at suse.de>
>>>>
>>>> I tested this series of patches on Khadas VIM as well as
>>>> Libretech-cc board and it resolved this issue ("USB0:
>>>> "Synchronous Abort" handler, esr 0x96000210") I had on both cards
>>>> (I think on all s905x Amlogic SBC)!
>>>>> 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 v3:
>>>>> - fixes bug dwc3_setup_phy(): the phy arrays wasn't returned. This
>>>>> was visible only when the device is removed.
>>>>> - Stub the DWC3 PHY operations if CONFIG_IS_ENABLED(PHY) is false.
>>>>>     This fixes all build issues but one (evb-rk3328).
>>>>> - Fix build issue with evb-rk3328 by enabling CONFIG_USB_DWC3.
>>>>> This has little impact on the footprint and should not break the
>>>>> runtime as the xhci-rockchip driver has its own probe function.
>>>>>     Nevertheless this was !!! NOT TESTED !!! by lack of hw
>>>>>
>>>>> Changes in v2:
>>>>> - Updated commit log
>>>>> - Fixed typo in thordown.c
>>>>> - select DM_USB_DEV by default for zynqmp platforms
>>>>>
>>>>> Jean-Jacques Hiblot (8):
>>>>>     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
>>>>>     configs: evb-rk3328: Enable CONFIG_USB_DWC3
>>>>>     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 +-
>>>>>    configs/evb-rk3328_defconfig      |   1 +
>>>>>    drivers/usb/Kconfig               |   6 ++
>>>>>    drivers/usb/dwc3/Kconfig          |   7 +-
>>>>>    drivers/usb/dwc3/core.c           |  89 +++++++++++++++-
>>>>>    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      |  95 ++---------------
>>>>> include/dwc3-uboot.h              |  19 ++++
>>>>> include/linux/usb/gadget.h        |  18 ++++ 18 files changed, 367
>>>>> insertions(+), 186 deletions(-)
>>
>>
>>
>> Best regards,
>>
>> Lukasz Majewski
>>
>> -- 
>>
>> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
>> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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>
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