[PATCH] mmc: dt: Add 'broken-cd' DT binding

[Thomas Abraham]

'broken-cd' binding lets mmc controller device node to indicate that
the card detect line is broken.

Signed-off-by: Thomas Abraham <thomas.abraham at linaro.org>
---
The 'broken-cd' DT binding for MMC controllers is picked up from the OLPC
project git repo and was originally conceived by Chris Ball <cjb at laptop.org>.

 Documentation/devicetree/bindings/mmc/mmc.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt
index 8a6811f..1aa527a 100644
--- a/Documentation/devicetree/bindings/mmc/mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/mmc.txt
@@ -16,6 +16,8 @@ Optional properties:
 - wp-inverted: when present, polarity on the wp gpio line is inverted
 - non-removable: non-removable slot (like eMMC)
 - max-frequency: maximum operating clock frequency
+- broken-cd: when present, indicates that the cd-gpios line is not
+	connected to the card-detect pad of the MMC host controller.
 
 Example:
 
-- 
1.6.6.rc2