[v7,0/7] Add USB3.0 and TI HD3SS3220 driver support

Message

Biju Das May 31, 2019, 9:59 a.m. UTC

This series adds USB 3.0 support for the CAT874 platform, including a
new driver for the TI HD3SS3220 USB Type-C DRP port controller.

This patch series supports:
1) Host hotplug operation
2) Device hot plug operation
3) USB type-C data_role switch
   (Tested with 2 RZ/G2E boards connected with a Type-C cable)

This patchset is based on linux_next next-20190531 branch.
V6-->V7
  * Rebased on the below patch series
    (https://patchwork.kernel.org/project/linux-usb/list/?series=124223)
  * Updted the hd3ss3220 binding documentation
    -> Removed Rob's reviewed by tag, since there is a rework.
    -> Incorporated Sergie and Shimoda-San's review comment.
     (https://patchwork.kernel.org/patch/10944629/)
  * Rebased hd3ss3220 driver based on the new API
    --> Removed Heikki's review comment, since there is a rework
    (https://patchwork.kernel.org/patch/10942499/)
  * Incorporated shimoda-san's review comments for renesas usb3 binding
    (https://patchwork.kernel.org/patch/10944631/)
  * Incorporated shimoda-san's review comments for renesas usb3 driver
    (https://patchwork.kernel.org/patch/10944643/)
V5-->V6
  * Updated bindings patch by using usb-role-switch property
  * Used graph api's to get role switch supported by the usb-c-connector
V4-->V5
  * Incorporated Heikki's review comment.
    (https://patchwork.kernel.org/patch/10902531/)
  * Patch 1 is a dependency patch to make the compilation successful.
    (https://patchwork.kernel.org/patch/10909971/)
  * Patch 2 is also dependency patch to make the compilation successful.
    Rebased on top of Patch1 and fixed Heikki's review comments
    (https://patchwork.kernel.org/patch/10882555/)
  * Incorporated Shimoda-San's review comment.
    (https://patchwork.kernel.org/patch/10902535/)
V3-->V4
  * Incorporated Chunfeng Yun's review comment
    (https://patchwork.kernel.org/project/linux-usb/list/?submitter=133171)
  * Used fwnode API's to get roleswitch handle

V2-->V3
  * Used the new API to usb_role_switch by node to find the remote endpoint
    (https://patchwork.kernel.org/patch/10882555/)
  * Added renesas,usb-role-switch property
  * Incorporated shimoda-san's review comment
    (https://patchwork.kernel.org/patch/10852507/)

V1-->V2
  * Use USB role class instead of extcon to receive connect and disconnect
    events and also for the dual role switch.
  * Dropped patch 6
  * Squashed patch 8 and patch 9
  * https://patchwork.kernel.org/cover/10840641/


Biju Das (7):
  dt-bindings: usb: hd3ss3220 device tree binding document
  dt-bindings: usb: renesas_usb3: Document usb role switch support
  usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller
  usb: gadget: udc: renesas_usb3: Enhance role switch support
  arm64: defconfig: enable TYPEC_HD3SS3220 config option
  arm64: dts: renesas: cat874: Enable USB3.0 host/peripheral device node
  arm64: dts: renesas: cat874: Enable usb role switch support

 .../devicetree/bindings/usb/renesas_usb3.txt       |  23 ++
 .../devicetree/bindings/usb/ti,hd3ss3220.txt       |  38 +++
 arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts    |  49 ++++
 arch/arm64/configs/defconfig                       |   2 +
 drivers/usb/gadget/udc/renesas_usb3.c              |  91 +++++++-
 drivers/usb/typec/Kconfig                          |  10 +
 drivers/usb/typec/Makefile                         |   1 +
 drivers/usb/typec/hd3ss3220.c                      | 259 +++++++++++++++++++++
 8 files changed, 466 insertions(+), 7 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/usb/ti,hd3ss3220.txt
 create mode 100644 drivers/usb/typec/hd3ss3220.c