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-rw-r--r--Documentation/devicetree/bindings/mmc/mmc.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 8e2e0ba2f48..b96e510979b 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -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;
}