Thierry/Rob, On Tue, Feb 7, 2017 at 10:48 PM, Fabio Estevam <festevam@xxxxxxxxx> wrote: > On Tue, Feb 7, 2017 at 9:36 PM, Rob Herring <robh@xxxxxxxxxx> wrote: > >> Except I have no way of knowing whether: a) you omitted a supply >> because you don't (yet) care, b) the panel has a single supply and you >> are using power-supply or c) the panel has multiple supplies and your >> binding is wrong. >> >> I can only eliminate A if you list the supplies. Just need something >> like "power-supply : see simple-panel.txt". I've still got to go read >> the panel spec if I really want to check the binding. > > Just checked the panel datasheet at > http://www.glyn.de/data/glyn/media/doc/43wvf1g-0.pdf and it lists two > supplies: > DVDD (Digital power supply) and AVDD (Analog power supply). > > Our dts was just providing a single 'power-supply' which referred to a > GPIO enabled regulator that drives DVDD. > > So it seems we missed to pass AVDD (not software controlled in our > case, but we need to describe it in dts anyway). > > Does this mean we cannot use simple-panel for this particular panel > and we should add a separate driver for it? Please confirm if we need to create a separate driver for this panel, thanks. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
