MMC on DRA7 SoCs require different IO Delay values to be configured
depending on the MMC mode. In order to confgiure these IO Delay values
CONFIG_PINCTRL_TI_IODELAY must be enabled. Document this dependency
here so that it can be added by anyone using custom .config.

Signed-off-by: Kishon Vijay Abraham I <>
 Documentation/arm/OMAP/README | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/arm/OMAP/README b/Documentation/arm/OMAP/README
index 75645c45d14a..df018c59e36a 100644
--- a/Documentation/arm/OMAP/README
+++ b/Documentation/arm/OMAP/README
@@ -5,3 +5,7 @@ KERNEL          NEW DEPENDENCIES
 v4.3+          Update is needed for custom .config files to make sure
                CONFIG_REGULATOR_PBIAS is enabled for MMC1 to work
+v4.13+         Update is needed for custom .config files to make sure
+               CONFIG_PINCTRL_TI_IODELAY is enabled for all MMC instances
+               to work properly in DRA7 based boards.

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