From 3f656a168c70a583a5d87614eb4a707abd7f80b9 Mon Sep 17 00:00:00 2001 From: Javier Martinez Canillas Date: Thu, 29 Jan 2015 16:00:05 +0100 Subject: mmc: pwrseq: Document optional clock for the simple power sequence Some WLAN chips attached to a SDIO interface, need an external clock to be operational. Since this is very common, extend the simple MMC power sequence DT binding to support an optional clock. Signed-off-by: Javier Martinez Canillas Signed-off-by: Ulf Hansson --- Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt') diff --git a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt index eaae652213ae..a462c50f19a8 100644 --- a/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt +++ b/Documentation/devicetree/bindings/mmc/mmc-pwrseq-simple.txt @@ -12,6 +12,10 @@ Optional properties: 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. +- clocks : Must contain an entry for the entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names : Must include the following entry: + "ext_clock" (External clock provided to the card). Example: -- cgit v1.2.3-59-g8ed1b