在 2018-07-26四的 14:41 +0200，Maxime Ripard写道： > 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? > > > 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? I have asked Mikey from Sinovoip, and he has agreed this. Here's a list provided by him, which covers some things I forgot: - 2GiB -> 1GiB - no eMMC - no onboard microphone - no IR - no charging (and power jack to USB) - USB change - one less LED Should I add this to the device tree's comment? > > 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 > > -- > Maxime Ripard, Bootlin (formerly Free Electrons) > Embedded Linux and Kernel engineering > https://bootlin.com > -- 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
