Roger, On 23/10/19 2:19 PM, Roger Quadros wrote: > This is an optional GPIO, if specified will be used to > swap lane 0 and lane 1 based on GPIO status. This is required > to achieve plug flip support for USB Type-C. > > Type-C companions typically need some time after the cable is > plugged before and before they reflect the correct status of > Type-C plug orientation on the DIR line. > > Type-C Spec specifies CC attachment debounce time (tCCDebounce) > of 100 ms (min) to 200 ms (max). > > Allow the DT node to specify the time (in ms) that we need > to wait before sampling the DIR line. > > Signed-off-by: Roger Quadros <rogerq@xxxxxx> > Signed-off-by: Sekhar Nori <nsekhar@xxxxxx> > --- > .../devicetree/bindings/phy/ti,phy-j721e-wiz.txt | 9 +++++++++ I've posted new version to change the binding document to YAML format. Can you make the changes on top of that series? Thanks Kishon > 1 file changed, 9 insertions(+) > > diff --git a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.txt b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.txt > index 19b4c3e855d6..253535a8819f 100644 > --- a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.txt > +++ b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.txt > @@ -24,6 +24,15 @@ Optional properties: > assigned-clocks and assigned-clock-parents: As documented in the generic > clock bindings in Documentation/devicetree/bindings/clock/clock-bindings.txt > > + - typec-dir-gpios: GPIO to signal Type-C cable orientation for lane swap. > + If GPIO is active, lane 0 and lane 1 of SERDES will be swapped to > + achieve the funtionality of an exernal type-C plug flip mux. > + > + - typec-dir-debounce: Number of milliseconds to wait before sampling > + typec-dir-gpio. If not specified, the GPIO will be sampled ASAP. > + Type-C spec states minimum CC pin debounce of 100 ms and maximum > + of 200 ms. > + > Required subnodes: > - Clock Subnode: WIZ node should have '3' subnodes for each of the clock > selects it supports. The clock subnodes should have the following names >
