Am Mittwoch, 10. Juni 2015, 00:36:18 schrieb Russell King - ARM Linux: > On Wed, Jun 10, 2015 at 01:29:43AM +0200, Heiko St?bner wrote: > > Allthough from the discussion and explanations I've now also got the > > "don't > > make it worse" feeling, so am somehow reluctant to add supplies that also > > might describe this inadequately. > > > > The Rockchip-specific documentation only lists the two supplies as > > AVDD_1V0, AVDD_1V8 with a description of "DC supply voltage for Analog > > part of HDMI". The supplies aren't mentioned otherwise at all, so I guess > > I'll ponder this a bit more at first. > > Are they controllable from software at all? If they aren't, then > I'd suggest leaving them out until we have a distinction between > the Tx and Phy - much as we do for iMX6. they are supplied by the pmic the system uses (named vdd10_lcd and vdd18_lcd in the soc manuals/schematics) and supply the individual output encoder analog parts (hdmi, edp, lvds, etc). So if there is no output at all, they should be able to be turned off.
