On Tue, Jan 13, 2015 at 06:30:51PM +0800, Chen-Yu Tsai wrote: > >> You could probably chain the regulators in the DT via xxx-supply > >> if it helps. But beyond that, it is hard to do anything meaningful > >> at this point. Modeling them as fixed regulators beyond our control > >> is simpler. We also do not have an IPSOUT regulator for the AXP. > >> > >> > Eventually, I think we would be able to remove > >> > sunxi-common-regulators.dtsi, or at least, expose the proper regulator > >> > hierarchy. > >> > >> The USB and SATA regulators are just GPIO enabled switches (MOSFETs) > >> or current limiters. I think these will always exist because of the > >> reference designs. Or do you want to move them back into the board > >> dts files? FWIW, I like it the way it is now. Not that I don't like > >> it to be accurate. > > > > At least providing the right hierarchy at the board level would be > > great. Adding the -supply property to all our fixed regulators > > wouldn't take too much code, and would be enough to model properly the > > regulator trees. > > These are all unrelated to axp209. You'd end up with > > vin-supply = <®_vcc5v>; > > for the usb and sata power regulators. You could put these > in sunxi-common-regulators, and override them for boards > that actually have something controllable. Ok. Fine then. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com
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