diff options
| author | Dong Aisheng <aisheng.dong@nxp.com> | 2016-01-18 21:41:57 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2016-01-19 16:38:25 +0800 |
| commit | ef811c081e3b4dfb6c2365b2307959549d5017b1 (patch) | |
| tree | d06f8b4c30f6a0cb385949df62242cd2662e00ed /Documentation | |
| parent | afd1bf2773e7b0bcf05fa04c3b7b0c13637b0734 (diff) | |
MLK-12170-1 mmc: sdhci-esdhc-imx: support setting tuning start point
The delay cells of some SoCs may have less delay value of one cell,
for such SoCs, user could set a start delay cell point to skip
a few meaningless tuning cells.
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt index d8ed681c87b6..462c62e3cfc0 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.txt @@ -33,6 +33,8 @@ Optional properties: This property allows user to change the tuning step to more than one delay cells which is useful for some special boards or cards when the default tuning step can't find the proper delay window within limited tuning retries. +- fsl,tuning-start-tap: Specify the start dealy cell point when send first CMD19 + in tuning procedure. - wifi-host : assigned as a wifi host. This is required for some WiFi cards to do card detect |