[PATCH v3 01/12] dt-bindings: phy: rockchip-usbdp: add improved ports scheme

Rob Herring (Arm) robh at kernel.org
Mon Mar 23 13:00:37 PDT 2026


On Fri, 13 Mar 2026 18:57:10 +0100, Sebastian Reichel wrote:
> Currently the Rockchip USBDP PHY is missing a documented port scheme.
> Meanwhile upstream RK3588 DTS files are a bit messy and use different
> port schemes. The upstream USBDP PHY Linux kernel driver does not yet
> parse the ports at all and thus does not create any implicit ABI either.
> 
> But with the current mess it is not possible to properly support USB-C
> DP AltMode. Thus this introduces a proper port scheme following roughly
> the ports design of the Qualcomm QMP USB4-USB3-DP PHY controller binding
> with a slight difference that there is an additional port for the
> USB-C SBU port as the Rockchip USB-DP PHY also contains the SBU mux.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
> ---
>  .../bindings/phy/phy-rockchip-usbdp.yaml           | 23 ++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>




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