[PATCH v13 0/7] Add the USB5744 hub driver as per new DT binding

[Venkatesh Yadav Abbarapu]

Add the usb5744/usb2744 hub driver which does the reset gpio toggling
and the i2c initialization sequence.

Tested the USB5744/USB2744 usb hub for usb0, usb1 with the
DT nodes on KR260 board.

Changes in v2:
- Added the power_on_reset_us variable, for post-reset time.
- Removed the DM_REGULATOR ifdef around the regulator API's.
- Rename the i2c_init and fixed the return for the API's.

Changes in v3:
- Rename i2c_init to init.
- Fixed the return values for the dev_read_phandle_with_args API.
- Removed the unneccessary cast uint8_t *.

Changes in v4:
- Fixed the indentation issues.
- Fixed the Reverse xmas tree for indentation.
- Replaced dev_dbg to dev_err in all places.

Changes in v5:
- Add new API for usb_onboard_hub_reset.

Changes in v6:
- Add return for usb_onboard_hub_reset in probe.

Changes in v7:
- Sort the structure onboard_hub_data data.
- Remove the variable gpio_desc * for dm_gpio_free().

Changes in v8:
- Sort the list for usb5744_data.

Changes in v9:
- Added the Reviewer tag for patches 1/4, which got
missed in v8.

Changes in v10:
- Removed the GPIOD_ACTIVE_LOW flag in the devm_gpiod_get_optional.

Changes in v11:
- Added the usb2514_hub_data and updated the reset_us to 1.

Changes in v12:
- Updated the power on delay for usb2514_hub.
- Updated the usb2514_hub_data in the patch 1/7.

Changes in v13:
- Updated the reset and power on delay as per the
USB5744 specification.

Venkatesh Yadav Abbarapu (7):
  usb: onboard-hub: Add reset-gpio support
  usb: onboard-hub: Fix the return values of regulator APIs
  usb: onboard-hub: add support for Microchip USB5744
  usb: onboard-hub: Add i2c initialization for usb5744 hub
  usb: onboard-hub: Bail out if peer hub is already probed
  configs: zynqmp_kria: Enable the USB onboard hub
  arm64: zynqmp: Update the usb5744 hub node as per binding

 arch/arm/dts/zynqmp-sck-kr-g-revA.dtso |  48 ++++++
 arch/arm/dts/zynqmp-sck-kr-g-revB.dtso |  48 ++++++
 arch/arm/dts/zynqmp-sck-kv-g-revA.dtso |  18 +++
 arch/arm/dts/zynqmp-sck-kv-g-revB.dtso |  25 +++-
 common/usb_onboard_hub.c               | 195 ++++++++++++++++++++++++-
 configs/xilinx_zynqmp_kria_defconfig   |   1 +
 6 files changed, 329 insertions(+), 6 deletions(-)

-- 
2.17.1