On Mon, May 20, 2019 at 7:13 AM Schrempf Frieder <frieder.schre...@kontron.de> wrote: > > Hi Sven, > > On 06.05.19 12:12, Sven Schwermer wrote: > > Hi, > > > > I’m running into linking issues when enabling CONFIG_DM_USB_GADGET with > > CONFIG_CI_UDC because dm_usb_gadget_handle_interrupts is not available. > > That made me look into what’s required to port ci_udc to driver model. I > > have a few conceptual questions about this: > > > > 1. Some other USB gadget drivers (dwc3-generic, ti-musb) seem to create a > > wrapper driver that binds either the gadget or the host-mode driver to the > > USB device, depending on the configured mode. Is this the desired approach? > > > > 2. I’m working with a i.MX6 (7) device so the host-mode driver is ehci-mx6, > > but I’ve seen that ci_udc is also used with other host-mode drivers. How > > would a wrapper work in this case where there are multiple possible > > host-mode drivers but one gadget driver? > > > > 3. Any tips and hints are welcome :)
I started a wrapper a while ago. I posted an RFC to the mailing list, but i never heard anything. As of right now, my wrapper only supports the host side, but it could easily be adapter to add the gadget. https://patchwork.ozlabs.org/patch/1076080/ adam > > Did you make any progress with getting ci_udc to work with DM in SPL on > i.MX? > The reason I'm asking is, that I need the SDP feature and I also want to > use DM for USB. > > Thanks, > Frieder > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://lists.denx.de/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
