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authorMark Brown <broonie@kernel.org>2015-04-24 11:10:45 +0100
committerMark Brown <broonie@kernel.org>2015-04-24 11:10:45 +0100
commit334c40b17f0cc3de114197fa2cd75f89e3387d22 (patch)
treecac7df874865fe571ba0f5ece6173fe97e6a6201 /Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
parent39a8804455fb23f09157341d3ba7db6d7ae6ee76 (diff)
parentf8bb820da4ae863c676156627973a950129559fb (diff)
Merge remote-tracking branch 'spi/fix/core' into spi-linus
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt')
-rw-r--r--Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
index cbbe16ed3874..70af78a9185e 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-dspi.txt
@@ -16,6 +16,12 @@ Optional property:
in big endian mode, otherwise in native mode(same with CPU), for more
detail please see: Documentation/devicetree/bindings/regmap/regmap.txt.
+Optional SPI slave node properties:
+- fsl,spi-cs-sck-delay: a delay in nanoseconds between activating chip
+ select and the start of clock signal, at the start of a transfer.
+- fsl,spi-sck-cs-delay: a delay in nanoseconds between stopping the clock
+ signal and deactivating chip select, at the end of a transfer.
+
Example:
dspi0@4002c000 {
@@ -43,6 +49,8 @@ dspi0@4002c000 {
reg = <0>;
linux,modalias = "m25p80";
modal = "at26df081a";
+ fsl,spi-cs-sck-delay = <100>;
+ fsl,spi-sck-cs-delay = <50>;
};
};