Commit 3f656a16 authored Jan 29, 2015 by Javier Martinez Canillas Committed by Ulf Hansson Jan 30, 2015

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

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>

parent 934f1f48

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

+4 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,10 @@ Optional properties:
		at initialization and prior we start the power up procedure of the card.
		They will be de-asserted right after the power has been provided to the
		card.
		- clocks : Must contain an entry for the entry in clock-names.
		See ../clocks/clock-bindings.txt for details.
		- clock-names : Must include the following entry:
		"ext_clock" (External clock provided to the card).

		Example: