u-boot/doc/device-tree-bindings/mmc/sandbox,mmc.txt
Simon Glass 0bf61aced2 sandbox: mmc: Support a backing file
Provide a way for sandbox MMC to present data from a backing file. This
allows a filesystem to be created on the host and easily served via an
emulated mmc device.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-11-28 16:51:51 -07:00

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Sandbox MMC
===========
Required properties:
- compatible : "sandbox,mmc"
Optional properties:
- filename : Name of backing file, if any. This is mapped into the MMC device
so can be used to provide a filesystem or other test data
Example
-------
mmc2 {
compatible = "sandbox,mmc";
non-removable;
};