On Wed, Dec 11, 2019 at 06:49:37PM -0800, Thinh Nguyen wrote: > 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. Why do you need this? When is it not the number of lanes the phy has? Reuse 'num-lanes' from PCI binding? > + - snps,maximum-lsm: set to specify the lane speed mantissa to use in Gbps. > + Default is 10Gbps for SuperSpeed Plus. So the value is '10' or '10Gbps'. Other valid values? > - 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 >
