[PATCH v3 1/6] mmc: pwrseq: Document that simple sequence support more than one GPIO

Javier Martinez Canillas
2015-01-29T15:00:03Z

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>
---

Changes since v2: None.

Changes since v1:
- Make the explanation clearer by adding an explicit "they".
Suggested by Srinivas Kandagatla.
---
Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt | 7 ++++---
1 file 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 da333d9ed94c..eaae652213ae 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:

--
2.1.3