Re: [PATCH V3 0/4] phy: tegra: xusb: Add Tegra264 support

[Jon Hunter <jonathanh@nvidia.com>]

On 03/09/2026 08:19, Wayne Chang wrote:
> Add Tegra264 support to the Tegra XUSB PHY 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:
> 
> - phy: tegra: xusb: this series (dt-bindings/phy + drivers/phy/tegra)
> - usb: host: xhci-tegra + its dt-bindings/usb: separate series, to
>    follow shortly (will reference this series once posted)
> - arm64: tegra DTS enablement: separate series, to be sent once both
>    of the above have landed, since it depends on both
> 
> Patch 1/4 (dt-bindings: phy) now spells out in the commit message why
> Tegra264 needs its own compatible string instead of falling back to
> nvidia,tegra234-xusb-padctl, per Conor's and Krzysztof's repeated
> question on v1/v2.
> 
> [1] https://lore.kernel.org/linux-tegra/20260831185835.3732707-1-waynec@nvidia.com/
> 
> Sing-Han Chen (1):
>    phy: tegra: xusb: Use devm_clk_get_optional to fetch USB2 tracking
>      clock
> 
> Wayne Chang (3):
>    dt-bindings: phy: tegra-xusb: Add support for Tegra264
>    phy: tegra: xusb: Increase timeout for USB2_TRK_COMPLETED polling
>    phy: tegra: xusb: Add Tegra264 support
> 
>   .../bindings/phy/nvidia,tegra194-xusb-padctl.yaml |  1 +
>   drivers/phy/tegra/Makefile                        |  1 +
>   drivers/phy/tegra/xusb-tegra186.c                 | 31 +++++++++++++++++++---
>   drivers/phy/tegra/xusb.c                          |  6 +++++
>   drivers/phy/tegra/xusb.h                          |  3 +++
>   5 files changed, 39 insertions(+), 3 deletions(-)

For the series ...

Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>

Thanks!
Jon

-- 
nvpublic