[PATCH 16/23] doc: dt: fsl-imx-esdhc: add set tuning start point binding
Dong Aisheng
aisheng.dong at nxp.com
Fri Apr 15 10:29:40 PDT 2016
add tuning start point binding
Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
---
Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
index dca56d6..3e29050 100644
--- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
+++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt
@@ -28,6 +28,8 @@ Optional properties:
transparent level shifters on the outputs of the controller. Two cells are
required, first cell specifies minimum slot voltage (mV), second cell
specifies maximum slot voltage (mV). Several ranges could be specified.
+- fsl,tuning-start-tap: Specify the start dealy cell point when send first CMD19
+ in tuning procedure.
- fsl,tuning-step: Specify the increasing delay cell steps in tuning procedure.
The uSDHC use one delay cell as default increasing step to do tuning process.
This property allows user to change the tuning step to more than one delay
--
1.9.1
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