Add a new property to set maximum number of lanes and transfer rated supported for DWC_usb32. By default, the driver will configure the controller to use dual-lane at 10Gbps. Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx> --- Documentation/devicetree/bindings/usb/dwc3.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt index 66780a47ad85..7da1c4e7d380 100644 --- a/Documentation/devicetree/bindings/usb/dwc3.txt +++ b/Documentation/devicetree/bindings/usb/dwc3.txt @@ -85,6 +85,10 @@ Optional properties: - snps,quirk-frame-length-adjustment: Value for GFLADJ_30MHZ field of GFLADJ register for post-silicon frame length adjustment when the fladj_30mhz_sdbnd signal is invalid or incorrect. + - snps,maximum-lane-count: set to specify the number of lanes to use for + DWC_usb32 and later. Default is dual-lanes. + - snps,maximum-lsm: set to specify the lane speed mantissa to use in Gbps. + Default is 10Gbps for SuperSpeed Plus. - snps,rx-thr-num-pkt-prd: periodic ESS RX packet threshold count - host mode only. Set this and rx-max-burst-prd to a valid, non-zero value 1-16 (DWC_usb31 programming guide -- 2.11.0
