On Fri, Oct 9, 2015 at 4:56 PM, Maxime Ripard <maxime.rip...@free-electrons.com> wrote: > On Wed, Oct 07, 2015 at 12:43:13AM +0800, wens Tsai wrote: >> >> On the side, I'm wondering if we can put the voltage ranges for >> >> important regulators directly in the axp dtsi. It's likely most >> >> boards follow the reference design, and will use the regulators >> >> accordingly. >> >> >> >> We could also do this for A31/A31s paired with AXP221/AXP221s. >> >> Since I already have a patch for axp221.dtsi, I can incorporate >> >> the changes. >> > >> > That doesn't really work unfortunately. We're seeing some combination >> > of the PMICs and the SoCs that have different boundaries, for example, >> > while the AXP209 is used on the A10 and A20 that have an upper >> > boundary of 1.4V for the CPU regulator, while it's also used with the >> > R8 that has a limit at 1.3V. >> >> I understand. I'm just saying it's doable for the A31/AXP221 pair, >> and the AXP223/A23/A33 pairs. I think we won't be seeing new chips >> paired with them. The A80 and A83 both have their own companion >> PMICs, and the H3 doesn't seem to use one in designs we've seen. >> The A31 and A31s have the same tolerances, as do the A23 and A33. > > Thing is, we can probably expect the same behaviour when the R* and H* > designs will be out. > > I'd really just prefer to leave the glue between the PMIC and the SoC > in the board DTS, and not make any assumption about what PMIC is > associated with what SoC in the DTSI.
Got it. Hopefully I'll send out the conversion patches today. ChenYu -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.