From: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Date: Thu, 29 Jan 2015 15:00:03 +0000 (+0100) Subject: mmc: pwrseq: Document that simple sequence support more than one GPIO X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a1d7579b25e4ab448a2605bc7e96f1b9c8762bba;p=linux.git 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 da333d9ed94cb..eaae652213ae9 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: