On Tue, Sep 22, 2015 at 08:48:07AM -0700, Lawrence Yu wrote: > > > +&i2c1 { > > > + pinctrl-names = "default"; > > > + pinctrl-0 = <&i2c1_pins_a>; > > > + status = "okay"; > > > +}; > > > + > > > +&i2c2 { > > > + pinctrl-names = "default"; > > > + pinctrl-0 = <&i2c2_pins_a>; > > > + status = "okay"; > > > +}; > > > > Is there only these two i2c busses, or is i2c0 used on this board, > > with the PMIC as usual. > > > > The AXP221 PMIC used on the board does not use i2c, it uses a different > p2wi bus.
Ah, yes, of course. > The i2c0 bus does not work properly with i2cdetect while the i2c1 and i2c2 > busses do work so I suspect that the i2c0 bus is not present on the board > or is not usable. We had the same issue with the Colombus. The i2c0 is indeed used, but needs some regulator enabled in order to work. What does the FEX file says? Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- 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.
signature.asc
Description: Digital signature