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authorGravatar Janne Grunau <j@jannau.net> 2023-01-13 19:23:09 +0900
committerGravatar Mark Brown <broonie@kernel.org> 2023-01-13 12:31:50 +0000
commit34f89f238c545d4fd0166e37c201d96c10443953 (patch)
tree517012e71ac064eef844345dc98e894c7a4533e8 /Documentation/devicetree/bindings/spi
parentspi: Use a 32-bit DT property for spi-cs-setup-delay-ns (diff)
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spi: dt-bindings: Add hold/inactive CS delay peripheral properties
These two properties complete the bindings for the Linux spi_device cs model, which includes cs_setup, cs_hold and cs_inactive delay values. Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Hector Martin <marcan@marcan.st> Link: https://lore.kernel.org/r/20230113102309.18308-3-marcan@marcan.st Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
-rw-r--r--Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 9a60c0664bbe..782a014b63a7 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -49,6 +49,16 @@ properties:
Delay in nanoseconds to be introduced by the controller after CS is
asserted.
+ spi-cs-hold-delay-ns:
+ description:
+ Delay in nanoseconds to be introduced by the controller before CS is
+ de-asserted.
+
+ spi-cs-inactive-delay-ns:
+ description:
+ Delay in nanoseconds to be introduced by the controller after CS is
+ de-asserted.
+
spi-rx-bus-width:
description:
Bus width to the SPI bus used for read transfers.