Just another round here trying to push forward a patch series submitted originally by Yu Chen to get HiKey960 dev-board's USB functionality working. The full patchset (including dts changes not submitted here) can be found here: https://git.linaro.org/people/john.stultz/android-dev.git/log/?id=2ae2c2a9087b52857dd47313a169c7348261cbca I'd greatly appreciate any feedback or thoughts! thanks -john New in v7: * Guillaume Gardet reported issues with CONFIG_USB_ROLE_SWITCH=m which to fix required I use IS_ENABLED instead of just #ifdef on that config name. * Added MAINTAINERS file for usb hub misc driver * Switched the usb hub misc driver bindings to YAML Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Rob Herring <robh+dt@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> CC: ShuFan Lee <shufan_lee@xxxxxxxxxxx> Cc: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx> Cc: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> Cc: Yu Chen <chenyu56@xxxxxxxxxx> Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: Hans de Goede <hdegoede@xxxxxxxxxx> Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Cc: Jun Li <lijun.kernel@xxxxxxxxx> Cc: Valentin Schneider <valentin.schneider@xxxxxxx> Cc: Guillaume Gardet <Guillaume.Gardet@xxxxxxx> Cc: Jack Pham <jackp@xxxxxxxxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: devicetree@xxxxxxxxxxxxxxx John Stultz (5): dt-bindings: usb: generic: Add role-switch-default-mode binding usb: dwc3: Add support for role-switch-default-mode binding dt-bindings: usb: dwc3: Allow clock list & resets to be more flexible usb: dwc3: Rework clock initialization to be more flexible usb: dwc3: Rework resets initialization to be more flexible Yu Chen (3): usb: dwc3: Registering a role switch in the DRD code. dt-bindings: misc: Add bindings for HiSilicon usb hub and data role switch functionality on HiKey960 misc: hisi_hikey_usb: Driver to support onboard USB gpio hub on Hikey960 .../bindings/misc/hisilicon-hikey-usb.yaml | 85 +++++++++ .../devicetree/bindings/usb/dwc3.txt | 5 +- .../devicetree/bindings/usb/generic.txt | 6 + MAINTAINERS | 7 + drivers/misc/Kconfig | 9 + drivers/misc/Makefile | 1 + drivers/misc/hisi_hikey_usb.c | 178 ++++++++++++++++++ drivers/usb/dwc3/core.c | 22 +-- drivers/usb/dwc3/core.h | 6 + drivers/usb/dwc3/drd.c | 96 +++++++++- 10 files changed, 396 insertions(+), 19 deletions(-) create mode 100644 Documentation/devicetree/bindings/misc/hisilicon-hikey-usb.yaml create mode 100644 drivers/misc/hisi_hikey_usb.c -- 2.17.1
