[V2,0/8] Tegra XUSB gadget driver support

Message

Nagarjuna Kristam March 11, 2019, 11:11 a.m. UTC

This is the second verion of series "Tegra XUSB gadget driver support"

Patches 1-3 are phy driver changes to add support for device
mode.
Patches 4-7 are changes related to XUSB device mode
controller driver.
Patch 8 is to enable XUDC driver in defconfig

Test Steps(USB 2.0):
- Enable "USB Gadget precomposed configurations" in defconfig
- Build, flash and boot Jetson TX1
- Connect Jetson TX1 and Ubuntu device using USB A to Micro B
  cable
- After boot on Jetson TX1 terminal usb0 network device should be
  enumerated
- Assign static ip to usb0 on Jetson TX1 and corresponding net
  device on ubuntu
- Run ping test and transfer test(used scp) to check data transfer
  communication

SS mode is verified by enabling Type A port as device 

Above patches are dependent on below patch for functional evaluation
https://patchwork.ozlabs.org/patch/976332/

---
V2:
* Patches 1-3 are new patches in this series, which splits unified features
  patch to speprated features and removes need of port-fake entry in DT.
* Patch 4 is re-arragend dt-bindings patch which incorporates previous
  patch comments to sort DT entries alphabetically, addresses name changes
  and PM domain details added.
* Patch 5-6 are re-arranged DT patches with major changes - sort entries
  alphabetically, and adds clock names.
* Patch 7 is UDC driver tegra XUSB device mode controller with major
  changes - remove un-used module params, lockinng for device_mode flag,
  moving un-needed info logs to debug level, making changes feature flag
  dependent rather than SOC based macros and other error handling in probe.
* Patch 8 has no changes.

Nagarjuna Kristam (8):
  phy: tegra: xusb: t210: add XUSB dual mode support
  phy: tegra: xusb: t210: add usb3 port fake support
  phy: tegra: xusb: t210: add vbus override support
  dt-bindings: usb: Add NVIDIA Tegra XUSB device mode controller binding
  arm64: tegra: Add xudc node for Tegra210
  arm64: tegra: Enable xudc on Jetson TX1
  usb: gadget: Add UDC driver for tegra XUSB device mode controller
  arm64: defconfig: Enable tegra XUDC driver

 .../devicetree/bindings/usb/nvidia,tegra-xudc.txt  |  105 +
 arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi     |   15 +
 arch/arm64/boot/dts/nvidia/tegra210.dtsi           |   19 +
 arch/arm64/configs/defconfig                       |    1 +
 drivers/phy/tegra/xusb-tegra210.c                  |  123 +-
 drivers/phy/tegra/xusb.c                           |   81 +-
 drivers/phy/tegra/xusb.h                           |   12 +-
 drivers/usb/gadget/udc/Kconfig                     |   10 +
 drivers/usb/gadget/udc/Makefile                    |    1 +
 drivers/usb/gadget/udc/tegra_xudc.c                | 3702 ++++++++++++++++++++
 include/linux/phy/tegra/xusb.h                     |    6 +-
 11 files changed, 4065 insertions(+), 10 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.txt
 create mode 100644 drivers/usb/gadget/udc/tegra_xudc.c