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mmc: dt: Add optional pm properties to core binding

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Add documentation for pm capabilties such as MMC_PM_KEEP_POWER
and MMC_PM_WAKE_SDIO_IRQ.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Abhilash Kesavan 2012-11-19 10:26:19 +05:30 committed by Chris Ball
parent 9f2f7cce32
commit e5d0e9c567
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/mmc/mmc.txt
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@ -22,6 +22,10 @@ Optional properties:
- wp-inverted: when present, polarity on the wp gpio line is inverted
- max-frequency: maximum operating clock frequency
Optional SDIO properties:
- keep-power-in-suspend: Preserves card power during a suspend/resume cycle
- enable-sdio-wakeup: Enables wake up of host system on SDIO IRQ assertion
Example:
sdhci@ab000000 {
@ -33,4 +37,6 @@ sdhci@ab000000 {
cd-inverted;
wp-gpios = <&gpio 70 0>;
max-frequency = <50000000>;
keep-power-in-suspend;
enable-sdio-wakeup;
}