The described binding was implemented in commit 6e9a87b39
("mci: Allow to partition eMMC boot partitions").

Signed-off-by: Ahmad Fatoum <a.fat...@pengutronix.de>
---
 .../devicetree/bindings/mtd/partition.txt      | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/partition.txt 
b/Documentation/devicetree/bindings/mtd/partition.txt
index ab21ff25bb11..4288a82437b4 100644
--- a/Documentation/devicetree/bindings/mtd/partition.txt
+++ b/Documentation/devicetree/bindings/mtd/partition.txt
@@ -5,6 +5,11 @@ In addition to the upstream binding, another property is added:
 Optional properties:
 - partuuid : The partition UUID for this partition.
 
+Additionally, barebox also supports partitioning the eMMC boot partitions if
+the partition table node is named appropriately:
+- partitions : user partition
+- boot0-partitions : boot0 partition
+- boot1-partitions : boot1 partition
 
 Examples:
 
@@ -19,3 +24,16 @@ flash@0 {
                };
        };
 };
+
+emmc@1 {
+       boot0-partitions {
+               compatible = "fixed-partitions";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               barebox@0 {
+                       label = "barebox";
+                       reg = <0x0 0x300000>;
+               };
+       };
+};
-- 
2.19.1


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