[PATCH v3 2/5] phy: core: Define TBT phy_mode

[Manivannan Sadhasivam]

On Thu, Jul 30, 2026 at 04:19:14PM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
> 
> There exist OS-accessible USB4 and Thunderbolt PHYs that need specific
> configuration. Define a new phy_mode for them.
> 
> Currently, USB4 and TBT3 are defined as submodes, because they're quite
> distinct, most visibly in the electrical/analog aspects (slightly
> different frequencies, timings, etc.). This results in a need to make
> the PHY aware of the actual mode needed (at least in the Qualcomm
> implementation, but I believe that'll be a general need).
> 
> Newer versions of TBT are basically supersets of USB4 with higher
> host-side requirements, so these are not defined. This can always be
> changed as necessary.
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at oss.qualcomm.com>
> Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at oss.qualcomm.com>

- Mani

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