[U-Boot] [PATCH] sunxi: Enable eMMC on Libre Computer Board ALL-H3-CC boards

[Maxime Ripard]

On Sat, Jul 14, 2018 at 09:55:45PM +0800, Chen-Yu Tsai wrote:
> The Libretech ALL-H3-CC has a high density connector for attaching
> an eMMC module. The module form factor and connection is specific
> to Libretech, and has provisions for split vmmc/vqmmc (core and I/O)
> voltage supplies, but this board does not wire the vqmmc side. The
> H2+/H3/H5 SoCs do not support alternate I/O voltages for eMMC either.
> Only 3.3V is supported. A specific module that ties vqmmc to vmmc,
> with both at 3.3V, must be used.
> 
> Given that a) eMMC is not designed to be hotplugged, b) power is
> always provided on the pins, and c) MMC controllers can deal with
> missing cards, we can enable this by default. If a module is attached
> it will be picked up by the system.
> 
> The device tree change was also submitted to the Linux Kernel and
> has already been queued up for 4.19.
> 
> Signed-off-by: Chen-Yu Tsai <wens at csie.org>

Acked-by: Maxime Ripard <maxime.ripard at bootlin.com>

Maxime

-- 
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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