于 2018年7月26日 GMT+08:00 下午8:41:19, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> 写到: >On Wed, Jul 25, 2018 at 12:36:55AM +0800, Icenowy Zheng wrote: >> Banana Pi designs the BPi M2 Berry board to be software compatible >with >> BPi M2 Ultra, > >Do you have a reference for this? See [1], it says "BPI-M2U and BPI-M2 Berry share the same image". [1] http://www.banana-pi.org/download.html > >> so it's based on M2 Ultra with some function cuts, including: >> >> - 2048MiB DRAM -> 1024MiB (this should be proceed by the bootloader); >> - dropped a LED; >> - dropped eMMC; >> - dropped USB2 and connect USB1 to a 4-port HUB. > >Is it the exhaustive list? Sorry, but I forgot one thing -- LiPo battery connector. The list can be examined with [2], except LED difference. [2] https://bananapi.gitbooks.io/bpi-m2-ultra-open-source-single-board-computer/content/ > >I'm a bit reluctant to merge that kind of patches usually, since that >would also imply that each time someone will commit something to the >M2-Ultra, it would automatically apply to the M2-Berry, without any >easy way to tell and / or test. > >Maxime -- 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
