Hi Jerome, On Wed, Jan 16, 2019 at 5:52 PM Jerome Brunet <jbrunet@xxxxxxxxxxxx> wrote: [...] > - aobus: bus@ff800000 { > - compatible = "simple-bus"; > - reg = <0x0 0xff800000 0x0 0x100000>; are you sure about removing aobus? in your patch "arm64: dts: meson: g12a: add pinctrl support controllers" from [0] you're adding back an "rti" bus at the same memory address, except that it's size is 0x1000 instead of 0x100000 I don't have any G12A datasheet so it's hard for me to ACK / NACK this patch, here are some clues why I'm asking: - GXM's public datasheet lists the "RTI" region at 0xC8100000 - 0xC81FFFFF, we call it "aobus" in our .dtsi - buildroot_openlinux_kernel_4.9_fbdev_20180706/kernel/aml-4.9/arch/arm64/boot/dts/amlogic/mesong12a.dtsi also uses an aobus node as well as an io_aobus_base sub-node for the codec_io node (the latter is obviously not upstream) Regards Martin [0] https://lore.kernel.org/patchwork/patch/1032981/