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Commit 22869a9e authored by Linus Walleij's avatar Linus Walleij
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MFD/OF: document MFD devices and handle simple-mfd



This defines a new compatible option for MFD devices "simple-mfd" that will
make the OF core spawn child devices for all subnodes of that MFD device.
It is optional but handy for things like syscon and possibly other
simpler MFD devices.

Since there was no file to put the documentation in, I took this opportunity
to make a small writeup on MFD devices and add the compatible definition
there.

Suggested-by: default avatarLee Jones <lee.jones@linaro.org>
Acked-by: default avatarLee Jones <lee.jones@linaro.org>
Acked-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Devicetree <devicetree@vger.kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 030bbdbf
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