On Thu, Jul 26, 2018 at 12:23 PM, Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> wrote: > Each MU has four pairs of rx/tx data register with four rx/tx interrupts > which can also be used as a separate channel. > So the hardware actually supports 4 channels. > -- #mbox-cells: Must be 0. Number of cells in a mailbox > +- #mbox-cells: Must be: > + 0 - for single channel mode. i.MX8* SCU protocol specific. > + 1 - for multichannel (generic) mode. > + No, please. DT bindings should reflect the real hardware, and not the software mode we want the driver to work in. Please define mbox-cells=1 and have the i.MX8* platform always ask for channel-0. -- 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
