env: Save environment at the end of an MMC partition
Allow the platform to define a partition by name at the end of which
the environment data will be located.
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
diff --git a/doc/device-tree-bindings/config.txt b/doc/device-tree-bindings/config.txt
index fe0e04a..15e4349 100644
--- a/doc/device-tree-bindings/config.txt
+++ b/doc/device-tree-bindings/config.txt
@@ -21,6 +21,15 @@
This setting will override any values configured via Kconfig.
+u-boot,mmc-env-partition
+ if present, the environment shall be placed at the last
+ CONFIG_ENV_SIZE blocks of the partition on the
+ CONFIG_SYS_MMC_ENV_DEV.
+
+ if u-boot,mmc-env-offset* is present, this setting will take
+ precedence. In that case, only if the partition is not found,
+ mmc-env-offset* will be tried.
+
u-boot,mmc-env-offset
u-boot,mmc-env-offset-redundant
If present, the values of the 'u-boot,mmc-env-offset' and/or