Quoting Dmitry Baryshkov (2024-09-19 03:40:19) > On Sat, Aug 31, 2024 at 09:06:51PM GMT, Stephen Boyd wrote: > > diff --git a/Documentation/devicetree/bindings/usb/usb-switch.yaml b/Documentation/devicetree/bindings/usb/usb-switch.yaml > > index f5dc7e23b134..816f295f322f 100644 > > --- a/Documentation/devicetree/bindings/usb/usb-switch.yaml > > +++ b/Documentation/devicetree/bindings/usb/usb-switch.yaml > > @@ -52,6 +52,14 @@ properties: > > endpoint: > > $ref: '#/$defs/usbc-in-endpoint' > > > > + port@2: > > + $ref: /schemas/graph.yaml#/$defs/port-base > > + unevaluatedProperties: false > > + > > + properties: > > + endpoint: > > + $ref: '#/$defs/dp-endpoint' > > Is it a separate port or is it an endpoint of the same upstream-facing > (non-connector-facing) SS port? I don't quite follow this comment. This is an input DP endpoint/port. > > > + > > oneOf: > > - required: > > - port > > @@ -65,6 +73,19 @@ $defs: > > $ref: /schemas/graph.yaml#/$defs/endpoint-base > > description: Super Speed (SS) output endpoint to a type-c connector > > unevaluatedProperties: false > > + properties: > > + data-lanes: > > + $ref: /schemas/types.yaml#/definitions/uint32-array > > + description: | > > + An array of physical USB Type-C data lane indexes. > > + - 0 is SSRX1 lane > > + - 1 is SSTX1 lane > > + - 2 is SSTX2 lane > > + - 3 is SSRX2 lane > > + minItems: 4 > > + maxItems: 4 > > + items: > > + maximum: 3 > > What is the usecase to delare less than 4 lanes going to the USB-C > connector? I'm not aware of any usecase. The 'maximum: 3' is the max value in the cell, i.e. 0, 1, 2, or 3.
