On Mon, May 22, 2017 at 3:29 AM, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> wrote: > Because "simple-bus" indicates that child nodes are > simply memory mapped, but the node "register-bit-led" > can not be memory-mapped. > So, "simple-mfd" can not be replaced "simple-bus" here. Yeah... just like Lee points out, you are spot on, this is exactly the reason why we created "simple-mfd" in the first place IIRC. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html