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mmc: dt: Add 'broken-cd' DT binding

Message ID 1345547371-6784-2-git-send-email-thomas.abraham@linaro.org
State New
Headers show

Commit Message

thomas.abraham@linaro.org Aug. 21, 2012, 11:09 a.m. UTC
'broken-cd' binding lets mmc controller device node to indicate that
the card detect line is broken.

Signed-off-by: Thomas Abraham <thomas.abraham@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@laptop.org>.

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

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: