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spi: dt-bindings: support devices with multiple chipselects 

Add binding support for devices, that have more than one
chip select. A typical example are SPI connected microcontroller,
that can also be programmed over SPI like NXP Kinetis or
chips with a configuration and a data chip select, such as
Microchip's MRF89XA transceiver.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20210621175359.126729-3-sebastian.reichel@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sebastian Reichel 2021-06-21 19:53:56 +02:00 committed by Mark Brown
parent 0c79378c01
commit d90609a4b7
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1 changed files with 5 additions and 2 deletions
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Documentation/devicetree/bindings/spi/spi-controller.yaml
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@ -114,8 +114,11 @@ patternProperties:
Compatible of the SPI device.
reg:
minimum: 0
maximum: 256
minItems: 1
maxItems: 256
items:
minimum: 0
maximum: 256
description:
Chip select used by the device.