Andrzej Hajda <a.hajda@xxxxxxxxxxx> writes: > extcon device is used to detect host/device connection. Since extcon > OF property is deprecated, alternative method should be added. > This method uses OF graph bindings to locate extcon. > > Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> > --- > Hi all, > > This patch implements alternative method to get extcon from DWC3. > The code works but is hacky, as DWC3 must traverse different DT nodes > to get extcon, in case of TM2 it is USB-PHY and MUIC, but other > platforms can have different paths. > I would be glad if it can be merged as is for now, but additional work > must be done to make it generic. > I guess on DT binding side it is OK. So the problem should be addressed > in the code. > My rough idea is to implement kind of extcon aliases/forwarder mechanism, > ie. USB-PHY will expect on its output remote port extcon, and it should register > extcon-forwarder pointing to this extcon. This way DWC3 can look for the extcon > on its PHY phandle, and it will receive via forwarding mechanism extcon > exposed by MUIC. > As I said this is rough idea for discussion, other propositions are welcome. > > Regards > Andrzej I need someone from devicetree to review and ack patch2 before I can apply them. Either way, this doesn't apply: checking file drivers/usb/dwc3/drd.c Hunk #1 FAILED at 8. Hunk #2 FAILED at 38. 2 out of 2 hunks FAILED -- balbi
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