[PATCH v4 3/5] spi: dt-bindings: samsung: allow controller-data to be optional

[Krzysztof Kozlowski]

The Samsung SoC SPI bindings requires to provide controller-data node
for each of SPI peripheral device nodes.  Make this controller-data node
optional, so DTS could be simpler.

Suggested-by: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
---
 .../devicetree/bindings/spi/samsung,spi-peripheral-props.yaml    | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
index aa5a1f48494b..cadc8a5f061f 100644
--- a/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml
@@ -28,6 +28,7 @@ properties:
            - 3: 270 degree phase shift sampling.
         $ref: /schemas/types.yaml#/definitions/uint32
         enum: [0, 1, 2, 3]
+        default: 0
 
     required:
       - samsung,spi-feedback-delay
-- 
2.32.0