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-rw-r--r--Documentation/devicetree/bindings/mtd/cadence-quadspi.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
index 7dbe3bd9ac56..bb2075df9b38 100644
--- a/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
+++ b/Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
@@ -16,6 +16,9 @@ Required properties:
Optional properties:
- cdns,is-decoded-cs : Flag to indicate whether decoder is used or not.
+- cdns,rclk-en : Flag to indicate that QSPI return clock is used to latch
+ the read data rather than the QSPI clock. Make sure that QSPI return
+ clock is populated on the board before using this property.
Optional subnodes:
Subnodes of the Cadence Quad SPI controller are spi slave nodes with additional