On Wed, 11 Dec 2024 at 23:11, Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote: > > Quoting Dmitry Baryshkov (2024-12-05 10:47:08) > > On Tue, Dec 03, 2024 at 03:50:58PM -0800, Stephen Boyd wrote: > > > > > > The easiest way to imagine this is that we took the usb-c-connector and > > > jammed an HDMI dongle in there with some glue so that it can never be > > > removed. There isn't any USB going there either because it can't be > > > used. I suppose we can continue to describe this with an > > > altmodes/displayport node but then add some compatible like > > > "usb-c-hdmi-connector" or another property to the altmodes/displayport > > > node like "type = hdmi" that signifies this is a connector that only > > > outputs HDMI. > > > > Does that DP-to-HDMI bridge talk USB-C or just pure DP? In other words, > > will it be properly discovered and handled if we just leave it as a > > weird usb-c-connector (maybe with an additional annotation, we have > > USB_PORT_CONNECT_TYPE_HARD_WIRED for USB ports, we might have something > > similar for Type-C connectors). > > It is pure DP. Maybe we can have a google,cros-ec-usbc-hdmi compatible > string here because this is a weird design. Just google,cros-ec-hdmi for the corresponding connector? -- With best wishes Dmitry
