[PATCH v3, 4/4] dt-bindings: mtd: Add Octal SPI support to Cadence QSPI.

[Artur Jedrysek]

This patch updates Cadence QSPI Device Tree documentation to include
information about new compatible used to indicate, whether or not
Octal SPI transfers are supported by the device.

Signed-off-by: Artur Jedrysek <jartur at cadence.com>
---
Changelog:
v2: Use new compatible, instead of boolean property, to indicate
Octal SPI support.
---
v3: Changes according to comments.
---
 Documentation/devicetree/bindings/mtd/cadence-quadspi.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
index f248056..298b0a3 100644
--- a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
@@ -1,7 +1,9 @@
 * Cadence Quad SPI controller
 
 Required properties:
-- compatible : Should be "cdns,qspi-nor".
+- compatible : Should be one of:
+  - "cdns,qspi-nor" for Quad SPI controller.
+  - "cdns,ospi-nor", "cdns,qspi-nor" for Octal SPI controller.
 - reg : Contains two entries, each of which is a tuple consisting of a
 	physical address and length. The first entry is the address and
 	length of the controller register set. The second entry is the
-- 
2.2.2