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spi: dt-bindings: Add hold/inactive CS delay peripheral properties

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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>
This commit is contained in:
Janne Grunau 2023-01-13 19:23:09 +09:00 committed by Mark Brown
parent f276aacf5d
commit 34f89f238c
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1 changed files with 10 additions and 0 deletions
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10
Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
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@ -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.