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[PATCH 3/3] dt-bindings: mtd: Add Octal SPI support to Cadence QSPI.

From Artur Jedrysek <jartur@cadence.com>
Newsgroups linux.kernel
Subject [PATCH 3/3] dt-bindings: mtd: Add Octal SPI support to Cadence QSPI.
Date 2017-03-06 15:20 +0100
Message-ID <ti1Eu-V3-19@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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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@cadence.com>
---
 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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[PATCH 3/3] dt-bindings: mtd: Add Octal SPI support to Cadence QSPI. Artur Jedrysek <jartur@cadence.com> - 2017-03-06 15:20 +0100

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