mmc: pwrseq: Document that simple sequence support more than one GPIO

Many SDIO/MMC attached WLAN chips need more than one ping for their reset
sequence. Extend the pwrseq_simple binding to support more than one pin.

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

diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
index da333d9ed94cb3da22554bcce1390292a9122dc7..eaae652213ae955e86d661e6c55c15782fa8c917 100644 (file)
--- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
@@ -8,9 +8,10 @@ Required properties:
 - compatible : contains "mmc-pwrseq-simple".
 
 Optional properties:
-- reset-gpios : contains a GPIO specifier. The reset GPIO is asserted at
-       initialization and prior we start the power up procedure of the card. It
-       will be de-asserted right after the power has been provided to the card.
+- reset-gpios : contains a list of GPIO specifiers. The reset GPIOs are asserted
+       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.
 
 Example: