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-rw-r--r--Documentation/devicetree/bindings/mmc/mmc.txt5
1 files changed, 2 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 34f28ed97928..469cf53d5a92 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -6,9 +6,6 @@ Interpreted by the OF core:
- reg: Registers location and length.
- interrupts: Interrupts used by the MMC controller.
-Required properties:
-- bus-width: Number of data lines, can be <1>, <4>, or <8>
-
Card detection:
If no property below is supplied, host native card detect is used.
Only one of the properties in this section should be supplied:
@@ -17,6 +14,8 @@ Only one of the properties in this section should be supplied:
- non-removable: non-removable slot (like eMMC); assume always present.
Optional properties:
+- bus-width: Number of data lines, can be <1>, <4>, or <8>. The default
+ will be <1> if the property is absent.
- wp-gpios: Specify GPIOs for write protection, see gpio binding
- cd-inverted: when present, polarity on the cd gpio line is inverted
- wp-inverted: when present, polarity on the wp gpio line is inverted