Re: [Patch V6 0/8] Tegra XUSB gadget driver support

[Thierry Reding <thierry.reding@gmail.com>]

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On Thu, Aug 08, 2019 at 03:07:18PM +0530, Nagarjuna Kristam wrote:
> This is the sixth version 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 peripheral
> 
> This patch series is dependent[1] on
> https://patchwork.kernel.org/cover/11056429/
> 
> [1] Dependent series doesnot compile on Master branch due to removal of
>     switch_fwnode_match() in file drivers/usb/roles/class.c.
>     Hence verified current series changes on 5.3-RC3 branch.
> ---
> v6:
> * Patches 1,2,3,7,8 - No changes
> * Patch 4,5,6 - Comments from Rob addressed, updated usb connector driver
>   compatibility string.
> ---
> v5:
> * Patches 1-3 - Commit subject updated as per inputs from Thierry
> * Patch 4 - Added reg-names used on Tegra210 in the bindings doc
> * Enabled xudc driver as module instead of part of kernel in patch 8
> * Patched 5-8 - No changes
> ---
> v4:
> * patch 1 - no changes
> * corrected companion device search based on inputs from Thierry in patch 2
> * removed unneeded dev variable and corrected value read in
>   tegra210_utmi_port_reset function in patch 3
> * dt binding doc and dtb files are corrected for alignments.
>   Replaced extcon-usb-gpio with usb role switch.
> * Added support for USB role switch instead of extcon-usb-gpio and other minor
>   comments as suggested by Chunfeng.
> * Enabled xudc driver as module instead of part of kernel in patch 8
> ---
> V3:
> * Rebased patch 1 to top of tree.
> * Fixed bug in patch 2, where xudc interrupts dont get generated if USB host
>   mode fails to probe. Moved fake port detection logic to generic xusb.c. fake
>   usb port data is updated based on soc flag need_fake_usb3_port.
> * Added extra lines whereever necessary to make code more readable in patch 3
>   and 7.
> * dt binding doc is corrected for typos and extcon references. Also added
>   details for clocks and removed xusb_ references to clock and power-domain
>   names and accordingly patch 5 is updated.
> * removed avdd-pll-utmip-supply in patch 6, as its now part of padctl driver.
> * Patch 8 has no changes.
> ---
> 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: Add XUSB dual mode support on Tegra210
>   phy: tegra: xusb: Add usb3 port fake support on Tegra210
>   phy: tegra: xusb: Add vbus override support on Tegra210

I just noticed that you haven't Cc'ed the PHY framework maintainer
(Kishon) on these patches. Please make sure to Cc him (on the whole set)
when you send out v7.

Thierry

>   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  |  110 +
>  arch/arm64/boot/dts/nvidia/tegra210-p2597.dtsi     |   31 +-
>  arch/arm64/boot/dts/nvidia/tegra210.dtsi           |   19 +
>  arch/arm64/configs/defconfig                       |    1 +
>  drivers/phy/tegra/xusb-tegra210.c                  |  133 +-
>  drivers/phy/tegra/xusb.c                           |   87 +
>  drivers/phy/tegra/xusb.h                           |    4 +
>  drivers/usb/gadget/udc/Kconfig                     |   11 +
>  drivers/usb/gadget/udc/Makefile                    |    1 +
>  drivers/usb/gadget/udc/tegra_xudc.c                | 3808 ++++++++++++++++++++
>  include/linux/phy/tegra/xusb.h                     |    4 +-
>  11 files changed, 4205 insertions(+), 4 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.txt
>  create mode 100644 drivers/usb/gadget/udc/tegra_xudc.c
> 
> -- 
> 2.7.4
> 

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