Re: [PATCH V3 0/3] usb: host: xhci-tegra: Add Tegra264 XHCI support

[Jon Hunter]

On 03/09/2026 08:45, Wayne Chang wrote:
> Add Tegra264 support to the Tegra XUSB host (xhci-tegra) driver and
> its binding, as part of enabling USB host functions on the Tegra264
> Jetson AGX Thor platform.
>
> This series was previously posted as part of a single 8-patch series
> covering phy, USB host and arm64 DTS changes together [1]. Per review
> feedback, it has been split by subsystem so each maintainer can pick
> up only what belongs to their tree:
>
> - usb: host: xhci-tegra + its dt-bindings/usb: this series
> - phy: tegra: xusb + its dt-bindings/phy: separate series [2], sent
>    ahead of this one
> - arm64: tegra DTS enablement: separate series, to be sent once the
>    binding patches from this series and [2] have landed, since it
>    depends on both
>
> Patch 1/3 (dt-bindings: usb) also addresses Krzysztof's V2 review
> comments: the iommus entries are now listed individually, and Tegra264
> gets its own allOf conditional pinning interrupts to 10 and iommus to 5,
> instead of inheriting Tegra234's wider top-level bounds unconstrained.
>
> [1] https://lore.kernel.org/linux-tegra/20260831185835.3732707-1-waynec@xxxxxxxxxx/
> [2] https://lore.kernel.org/linux-tegra/20260903071937.533646-1-waynec@xxxxxxxxxx/
>
> Wayne Chang (3):
>    dt-bindings: usb: Add Tegra264 XUSB host support
>    usb: host: xhci-tegra: Skip MBOX MSG_ENABLED on Tegra264
>    usb: host: xhci-tegra: Add Tegra264 XHCI support
>
>   .../bindings/usb/nvidia,tegra234-xusb.yaml    | 52 ++++++++++++++++++++---
>   drivers/usb/host/xhci-tegra.c                 | 37 ++++++++++++++++
>   2 files changed, 84 insertions(+), 5 deletions(-)

For the series ...

Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx>

Thanks!
Jon

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nvpublic