[PATCH v2 2/3] dt-bindings: spi: spi-cadence: update DT binding docs to support cix sky1 SoC

[Jun Guo]

- Add new compatible strings to the DT binding documents to support
 cix sky1 SoC;
- Adjust the configuration of the compatible property to support both
 single-item and two-items cases.​​

Signed-off-by: Jun Guo <jun.guo at cixtech.com>
---
 .../devicetree/bindings/spi/spi-cadence.yaml          | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
index 8de96abe9da1..e75b142a1368 100644
--- a/Documentation/devicetree/bindings/spi/spi-cadence.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
@@ -14,9 +14,14 @@ allOf:
 
 properties:
   compatible:
-    enum:
-      - cdns,spi-r1p6
-      - xlnx,zynq-spi-r1p6
+    oneOf:
+      - enum:
+          - cdns,spi-r1p6
+          - xlnx,zynq-spi-r1p6
+      - items:
+          - enum:
+              - cix,sky1-spi-r1p6
+          - const: cdns,spi-r1p6
 
   reg:
     maxItems: 1
-- 
2.34.1