> For the marvell,mv78230-a0-i2c unfortunately i've spend 3 hours > trying to understand this but it only works with this on the > ix4-300d :(. There was multiple patch around this and maybe one > broke the auto-detect part of this, I've tried compiling with some > 3.10 or lower kernel but no luck here I still have to put this a0 > option. Lets first confirm you have an a0 SoC. At boot time, it should print: pr_info("MVEBU SoC ID=0x%X, Rev=0x%X\n", soc_dev_id, soc_rev); What revision do you have? If the auto detect code really is broken, Gregory will likely take a look. Andrew -- 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