> -----Original Message----- > From: Mark Brown [mailto:broonie@xxxxxxxxxx] > Sent: Thursday, October 10, 2013 3:29 AM > To: Inki Dae > Cc: Olof Johansson; Sean Paul; devicetree@xxxxxxxxxxxxxxx; linux-samsung- > soc@xxxxxxxxxxxxxxx; linux-doc@xxxxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; DRI mailing list; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH 3/5] drm/bridge: Add PTN3460 bridge driver > > On Fri, Oct 04, 2013 at 11:05:48AM +0900, Inki Dae wrote: > > 2013/10/4 Olof Johansson <olof@xxxxxxxxx>: > > > > "If PD_N is LOW, then the device is in Deep power-down completely, > > > even if supply rail is ON; for the device to be able to operate, the > > > PD_N pin must be HIGH." > > > I still think the pin could be replaced with a regulator. But > > lvds-bridge node has "powerdown-gpio" property - it say this board > > will use gpio pin - specific to board. So it seems no problem. > > No, don't model things that aren't regulators as regulators - it's just > confusing from a usability standpoint and causes breakage when the pins > don't behave like regulators. It seems that there was your missing point. That _is not_ what I mentioned. I mean that other boards can use a regulator instead of gpio pin. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
