mmc: pwrseq: Document optional clock for the simple power sequence

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Some WLAN chips attached to a SDIO interface, need an external clock
to be operational. Since this is very common, extend the simple MMC
power sequence DT binding to support an optional clock.

Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Javier Martinez Canillas 2015-01-29 16:00:05 +01:00 • committed by Ulf Hansson

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commit 3f656a168c

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Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt

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