Re: [PATCH] ARM: dts: sun8i: r40/v40: rewrite BPi M2 Berry DTS to rebase on M2 Ultra

From: Simon Baatz
Date: Tue Jul 24 2018 - 14:36:20 EST

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, 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.
> Thus we can make the M2 Berry device tree based on the M2 Ultra, rather
> than write one from scratch.

Good idea! I know that Ultra came first and then the cut-down Berry.
But from a device tree point of view, wouldn't it make more sense to
take M2 Berry as the base and just add the hardware for M2 Ultra?