Re: [PATCH v2 0/4] usb: chipidea: tegra: Add external control option

[Svyatoslav Ryhel]

сб, 23 трав. 2026 р. о 11:30 Svyatoslav Ryhel <clamor95@xxxxxxxxx> пише:
>
> Patchset adjusts the Tegra-specific portion of the Chipidea USB controller
> to allow for the disabling of automatic PHY and USB controller
> registration. This is achieved by adding the nvidia,external-control
> property/flag. It does not affect any existing configurations, but it
> allows the USB line to be registered or deregistered by an external
> device — in this case, the modem.
>
> Since Tegra USB PHY holds clock gating for controller PHY cannot be
> handled by code Chipidea mechanism.
>
> This patchset is a part of larger series aiming to bring XMM6260 modem
> support for Tegra devices:
> https://lore.kernel.org/lkml/20260511135703.62470-1-clamor95@xxxxxxxxx/
>
> ---
> Changes in v2:
> - separated Tegra USB into its own schema
> - tegra_usb structure moved into tegra_usb_phy.h
> ---
>
> Svyatoslav Ryhel (4):
>   dt-bindings: usb: Move Tegra-specific Chipidea USB properties into a
>     dedicated schema
>   dt-bindings: usb: chipidea,usb2-tegra: Document
>     nvidia,external-control property
>   usb: chipidea: tegra: Avoid controller/PHY init if bus is externally
>     controlled
>   usb: chipidea: tegra: Expose tegra_usb structure
>
>  .../bindings/usb/chipidea,usb2-tegra.yaml     | 95 +++++++++++++++++++
>  .../devicetree/bindings/usb/ci-hdrc-usb2.yaml | 22 -----
>  drivers/usb/chipidea/ci_hdrc_tegra.c          | 43 ++++-----
>  include/linux/usb/tegra_usb_phy.h             | 15 +++
>  4 files changed, 131 insertions(+), 44 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/usb/chipidea,usb2-tegra.yaml
>
> --
> 2.51.0
>

Hello there! There will be no v3. Sorry for disturbing LKML with 15
year old obsolete tech. My mistake.