[PATCH 1/2][v5] dt-bindings: mtd-physmap: Add endianness supports

Prabhakar Kushwaha prabhakar.kushwaha at nxp.com
Tue Feb 27 23:33:34 PST 2018

Connection between flash and controller is not necessary to be always
of same type. It may varies from platform to platform.

Adding endianness (optional) property to provide connection type

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
Reviewed-by: Rob Herring <robh at kernel.org>
Changes for v2: updated subject
Changes for v3: fixed typo for "big-endian"
Changes for v4: Moved binding definition in mtd-physmap.txt
as discussed at https://patchwork.ozlabs.org/patch/842543/
Changes for v5: Sending as it is

 Documentation/devicetree/bindings/mtd/mtd-physmap.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 4a0a48bf4ecb..961a8eed9d0d 100644
--- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -41,6 +41,11 @@ additional (optional) property is defined:
  - erase-size : The chip's physical erase block size in bytes.
+ The device tree may optionally contain endianness property.
+ little-endian or big-endian : It represents connection between controller and
+			flash. If this property is absent, flash is considered
+			to be host-endian.
 The device tree may optionally contain sub-nodes describing partitions of the
 address space. See partition.txt for more detail.

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