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[16/23] doc: dt: fsl-imx-esdhc: add set tuning start point binding

Message ID 1460741387-23815-17-git-send-email-aisheng.dong@nxp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Aisheng Dong April 15, 2016, 5:29 p.m. UTC 
add tuning start point binding

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
 Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 2 ++
 1 file changed, 2 insertions(+)
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Patch

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