On Wed, Mar 2, 2016 at 5:04 AM, Carlo Caione <carlo@xxxxxxxxxx> wrote: > From: Carlo Caione <carlo@xxxxxxxxxxxx> > > In the Amlogic Meson8 / Meson8b platforms we have two different buses: > cbus and aobus, corresponding to 2 different power domains (regular and > always-on). On each bus a different set of registers is mapped to manage > muxes, GPIOs and in general to control a clear subset of the pins. > > Considering this architecture, having two different pinctrl devices, one > for each bus / power domain, makes much more sense than just having one > single device. > > Right now we have one single pin controller driver that uses two > different domains (represented by 'gpio' and 'gpio-ao' sub-nodes in the > DTS) to manage the set of registers on the two buses. This dual-domain > configuration is hardcoded into the driver that strictly requires one > domain for each bus in the same pin controller device. > > With this patch we refactor the driver to allow splitting the driver in > two parts. This change is needed to have a proper description of the HW > in the device-tree where we want to introduce aobus and cbus. > > Signed-off-by: Carlo Caione <carlo@xxxxxxxxxxxx> Patch applied. 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
