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authorPrabhakar Kushwaha <prabhakar.kushwaha@nxp.com>2018-03-28 08:44:43 +0300
committerBoris Brezillon <boris.brezillon@bootlin.com>2018-03-29 10:30:08 +0300
commit147395ea40b36b8652b6df3e50a1cb745be75c93 (patch)
treecff675d65038b795eed64019a6aa2f18846d449d /Documentation
parent55a999a04159dfb33d3d3d293a70cce766f6db27 (diff)
downloadlinux-147395ea40b36b8652b6df3e50a1cb745be75c93.tar.xz
dt-bindings: mtd-physmap: Add endianness supports
Provide a way to specify the endianness to use when accessing a memory-mapped flash. Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/mtd/mtd-physmap.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
index 4a0a48bf4ecb..232fa12e90ef 100644
--- a/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
+++ b/Documentation/devicetree/bindings/mtd/mtd-physmap.txt
@@ -41,6 +41,13 @@ 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 the endianness that should be used
+ by the controller to properly read/write data
+ from/to the flash. If this property is missing,
+ the endianness is chosen by the system
+ (potentially based on extra configuration options).
+
The device tree may optionally contain sub-nodes describing partitions of the
address space. See partition.txt for more detail.