Documentation: ARM: Add new MMC requirements for DRA7/K2G

From 4.18 kernel, all the MMC controller instances in DRA7
are programmed using sdhci based driver (sdhci-omap.c). Document
this new requirement here. Both omap2plus_defconfig and
multi_v7_defconfig has CONFIG_MMC_SDHCI_OMAP enabled.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/Documentation/arm/OMAP/README b/Documentation/arm/OMAP/README
index 75645c4..90c6c57 100644 (file)
--- 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
                properly.
+
+v4.18+         Update is needed for custom .config files to make sure
+               CONFIG_MMC_SDHCI_OMAP is enabled for all MMC instances
+               to work in DRA7 and K2G based boards.