[PATCH 1/2] spi: dt-bindings: spi-peripheral-props: Document spi-cpha and spi-cpol
Fabio Estevam
festevam at gmail.com
Thu Aug 29 13:13:14 PDT 2024
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 at 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
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