[PATCH v2 02/10] dt-bindings: iio: adc: ad7606: Make corrections on spi conditions

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The SPI conditions are not always required, because there is also a
parallel interface. The way used to detect that the SPI interface is
used is to check if the reg value is between 0 and 256.
There is also a correction on the spi-cpha that is not required when SPI
interface is selected, while spi-cpol is.

Signed-off-by: Guillaume Stols <gstols@xxxxxxxxxxxx>
---
 .../devicetree/bindings/iio/adc/adi,ad7606.yaml      | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
index 75334a033539..12995ebcddc2 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
@@ -112,18 +112,32 @@ properties:
       assumed that the pins are hardwired to VDD.
     type: boolean
 
+  parallel-interface:
+    description:
+      If the parallel interface is used, be it directly or through a backend,
+      this property must be defined.
+    type: boolean
+
 required:
   - compatible
   - reg
-  - spi-cpol
   - avcc-supply
   - vdrive-supply
   - interrupts
   - adi,conversion-start-gpios
 
-allOf:
-  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+oneOf:
+  - required:
+      - parallel-interface
+  - allOf:
+      - properties:
+          parallel-interface: false
+          spi-cpol: true
+      - $ref: /schemas/spi/spi-peripheral-props.yaml#
+      - required:
+          - spi-cpol
 
+allOf:
   - if:
       properties:
         compatible:

-- 
2.34.1





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