On Thu, 2017-09-28 at 17:21 +0930, Joel Stanley wrote: > Enable the buses that are in use and the devices that are attached. > Currently that is just the battery backed RTC. >  > Some of these buses are for hotplugged cards, such as PCIe cards. Others > do not yet have upstream drivers, so there are no devices attached. >  > Signed-off-by: Joel Stanley > --- >  arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts | 54 ++++++++++++++++++++++++++++ >  1 file changed, 54 insertions(+) >  > diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > index 1190fec1b5d0..f79c1d21c47f 100644 > --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts > @@ -79,3 +79,57 @@ >   pinctrl-names = "default"; >   pinctrl-0 = <&pinctrl_rmii1_default>; >  }; > + > +&i2c2 { > + status = "okay"; > +}; > + > +&i2c3 { > + status = "okay"; > +}; > + > +&i2c4 { > + status = "okay"; > +}; > + > +&i2c5 { > + status = "okay"; > +}; > + > +&i2c6 { > + /* PCIe slot 1 (x8) */ > + status = "enabled"; This is not okay. Neither are those below. Cheers, Andrew > +}; > + > +&i2c7 { > + /* PCIe slot 2 (x16) */ > + status = "enabled"; > +}; > + > +&i2c8 { > + /* PCIe slot 3 (x16) */ > + status = "enabled"; > +}; > + > +&i2c9 { > + /* PCIe slot 4 (x16) */ > + status = "enabled"; > +}; > + > +&i2c10 { > + /* PCIe slot 5 (x8) */ > + status = "enabled"; > +}; > + > +&i2c11 { > + status = "okay"; > + > + rtc@32 { > + compatible = "epson,rx8900"; > + reg = <0x32>; > + }; > +}; > + > +&i2c12 { > + status = "okay"; > +};