This patch updates Cadence QSPI Device Tree documentation to include
information about new property used to indicate, whether or not
Octal SPI transfers are supported by the device.
Signed-off-by: Artur Jedrysek <jartur@xxxxxxxxxxx>
---
Documentation/devicetree/bindings/mtd/cadence-quadspi.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
index f248056..8438184 100644
--- a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
@@ -14,6 +14,9 @@ Required properties:
Optional properties:
- cdns,is-decoded-cs : Flag to indicate whether decoder is used or not.
+- cdns,octal-controller : Flag to indicate, that used controller supports Octal
+ SPI transfer mode. May be intentionally omitted to
+ switch it back to Quad SPI mode.
Optional subnodes:
Subnodes of the Cadence Quad SPI controller are spi slave nodes with additional
@@ -44,6 +47,7 @@ Example:
cdns,fifo-depth = <128>;
cdns,fifo-width = <4>;
cdns,trigger-address = <0x00000000>;
+ #cdns,octal-controller
flash0: n25q00@0 {
...
--
2.2.2
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