Messages in this thread | | | From | Grant Likely <> | Subject | Re: [RFC PATCH] [media]: of: move graph helpers from drivers/media/v4l2-core to drivers/of | Date | Sat, 08 Mar 2014 01:06:45 +0800 |
| |
On Thu, 27 Feb 2014 10:36:36 +0200, Tomi Valkeinen <tomi.valkeinen@ti.com> wrote: > On 26/02/14 16:48, Philipp Zabel wrote: > > >> I would like the document to acknowledge the difference from the > >> phandle+args pattern used elsewhere and a description of when it would > >> be appropriate to use this instead of a simpler binding. > > > > Alright. The main point of this binding is that the devices may have > > multiple distinct ports that each can be connected to other devices. > > The other main point with this binding are multiple endpoints per port. > So you can have, say, a display controller, with single port, which has > two endpoints going to two separate LCD panels. > > In physical level that would usually mean that the same pins from the > display controller are connected to two panels. Most likely this would > mean that only one panel can be used at a time, possibly with different > settings (say, 16 RGB pins for one panel, 24 RGB pins for the other).
What device is in control in that scenario?
g.
| |