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Subject[PATCH v5 0/3] dwc3 prereqs for HiKey960 USB support
Just another round here trying to push forward a patch series
submitted previously by Yu Chen to get HiKey960 dev-board's USB
functionality working.

This set is even more narrowly focused on just the role-switch
support and adding the role-switch-default-mode option (as the
core extension/glue bindings bits are still in discussion).

While Felipe had quite a bit of feedback on the last round, and
I'm not completely sure how to address all of it yet, I wanted
to send out this set which tries to address *some* of his
concerns, so I could get further feedback and make sure I'm on
the right track.

The current version of the full patchset to enable USB on
HiKey960 can be found here:

I'd greatly appreciate any feedback or thoughts!


New in v5:
* Just sending out role-switch and role-swith-default-mode
* Reworked role-switch code to not select CONFIG_USB_ROLE_SWITCH
and to ifdef out the dependent code if its not enabled, as
suggested by Felipe
* Changed to a string based role-switch-default-mode binding
as suggested by Felipe

Cc: Greg Kroah-Hartman <>
Cc: Rob Herring <>
Cc: Mark Rutland <>
CC: ShuFan Lee <>
Cc: Heikki Krogerus <>
Cc: Suzuki K Poulose <>
Cc: Chunfeng Yun <>
Cc: Yu Chen <>
Cc: Felipe Balbi <>
Cc: Hans de Goede <>
Cc: Andy Shevchenko <>
Cc: Jun Li <>
Cc: Valentin Schneider <>
Cc: Jack Pham <>

John Stultz (2):
dt-bindings: usb: generic: Add role-switch-default-mode binding
usb: dwc3: Add support for role-switch-default-mode binding

Yu Chen (1):
usb: dwc3: Registering a role switch in the DRD code.

.../devicetree/bindings/usb/generic.txt | 6 ++
drivers/usb/dwc3/core.h | 6 ++
drivers/usb/dwc3/drd.c | 96 ++++++++++++++++++-
3 files changed, 107 insertions(+), 1 deletion(-)


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