Re: [PATCH v2 0/3] dt-bindings: connector: usb: provide bindings for altmodes

Rob Herring
2023-11-16T18:36:11Z

On Tue, Nov 14, 2023 at 12:13:26AM +0200, Dmitry Baryshkov wrote:
> In some cases we need a way to specify USB-C AltModes that can be
> supportd on the particular USB-C connector. For example, x86 INT33FE
> driver does this by populating fwnode properties internally. For the
> Qualcomm Robotics RB5 platform (and several similar devices which use
> Qualcomm PMIC TCPM) we have to put this information to the DT.
>
> Provide the DT bindings for this kind of information and while we are at
> it, change svid property to be 16-bit unsigned integer instead of a
> simple u32.
>
> NOTE: usage of u16 is not compatible with the recenty extended
> qcom/qrb5165-rb5.dts DT file. I'm looking for the guidance from DT and
> USB maintainers whether to retain u32 usage or it's better to switch to
> u16.

Depends if you are fine with the ABI break on this platform...

Rob