linux-kernel - [PATCH v2 1/6] mmc: pwrseq: Document that simple sequence support more than one GPIO

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Message-Id: <1422468953-7594-2-git-send-email-javier.martinez@collabora.co.uk>
Date:	Wed, 28 Jan 2015 19:15:48 +0100
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Kukjin Kim <kgene@...nel.org>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Arend van Spriel <arend@...adcom.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
Subject: [PATCH v2 1/6] 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@...labora.co.uk>
---

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

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