[PATCH v2 1/6] mmc: pwrseq: Document that simple sequence support more than one GPIO
From: Javier Martinez Canillas <hidden>
Date: 2015-01-28 20:42:48
Also in:
linux-arm-kernel, linux-mmc, linux-samsung-soc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Ulf Hansson, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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 <redacted> --- 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