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-rw-r--r--Documentation/devicetree/bindings/mmc/fsl-esdhc.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
index bd9be0b5bc2..b7943f3f999 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt
@@ -19,6 +19,9 @@ Optional properties:
"bus-width = <1>" property.
- sdhci,auto-cmd12: specifies that a controller can only handle auto
CMD12.
+ - voltage-ranges : two cells are required, first cell specifies minimum
+ slot voltage (mV), second cell specifies maximum slot voltage (mV).
+ Several ranges could be specified.
Example:
@@ -29,4 +32,5 @@ sdhci@2e000 {
interrupt-parent = <&ipic>;
/* Filled in by U-Boot */
clock-frequency = <0>;
+ voltage-ranges = <3300 3300>;
};