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authorJavier Martinez Canillas <javier.martinez@collabora.co.uk>2015-01-29 16:00:03 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2015-01-30 11:59:38 +0100
commita1d7579b25e4ab448a2605bc7e96f1b9c8762bba (patch)
treee4020d9a4d9429f4203d4206e04db1f4f6c2a2a0
parent8a8735eb4ceaa40ddd18c09c0bfa5dae34371a3a (diff)
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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>
-rw-r--r--Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt7
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt
index da333d9..eaae652 100644
--- 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:
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