doc: document u-boot, mmc-env-offset and u-boot, mmc-env-offset-redund
Adding documentation on the new config properties:
'u-boot,mmc-env-offset' - overrides CONFIG_ENV_OFFSET
'u-boot,mmc-env-offset-redundant'
- overrides CONFIG_ENV_OFFSET_REDUND
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/doc/device-tree-bindings/config.txt b/doc/device-tree-bindings/config.txt
index d4bc1df..fe0e04a 100644
--- a/doc/device-tree-bindings/config.txt
+++ b/doc/device-tree-bindings/config.txt
@@ -21,6 +21,18 @@
This setting will override any values configured via Kconfig.
+u-boot,mmc-env-offset
+u-boot,mmc-env-offset-redundant
+ If present, the values of the 'u-boot,mmc-env-offset' and/or
+ of the u-boot,mmc-env-offset-redundant' properties overrides
+ CONFIG_ENV_OFFSET and CONFIG_ENV_OFFSET_REDUND, respectively,
+ for SD/MMC devices.
+
+ Values are interpreted as the offset from the start of the
+ device, specified in bytes. It is assumed that the setting
+ will point at the beginning of a LBA and values that are not
+ LBA-aligned will be rounded up to the next LBA address.
+
u-boot,spl-payload-offset
If present (and SPL is controlled by the device-tree), this allows
to override the CONFIG_SYS_SPI_U_BOOT_OFFS setting using a value