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