[PATCH 1/2] spi: dt-bindings: spi-peripheral-props: Document spi-cpha and spi-cpol
From: Fabio Estevam <festevam@gmail.com>
Date: 2024-08-29 20:13:23
Also in:
linux-devicetree, linux-spi
Subsystem:
open firmware and flattened device tree bindings, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Mark Brown, Linus Torvalds
The 'spi-cpha' and 'spi-cpol' are commonly used SPI peripheral properties that indicate the device clock phase and polarity. Document these properties. Signed-off-by: Fabio Estevam <festevam@gmail.com> --- .../devicetree/bindings/spi/spi-peripheral-props.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 0bb443b8decd..b2e2717f3619 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml@@ -29,6 +29,16 @@ properties: description: Chip select used by the device. + spi-cpha: + $ref: /schemas/types.yaml#/definitions/flag + description: + The device data is sampled on trailing (last) edge of the SPI clock. + + spi-cpol: + $ref: /schemas/types.yaml#/definitions/flag + description: + The device clock has a falling lead (first) edge. + spi-cs-high: $ref: /schemas/types.yaml#/definitions/flag description:
--
2.34.1