[PATCH] dt-bindings: soc: samsung: usi: refer to dtschema for SPI

[Krzysztof Kozlowski]

After adding DT schema for Samsung SPI controller, the Samsung USI
bindings can reference it directly for proper schema validation.

Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
index ea9c233052f3..58fd858530cc 100644
--- a/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
+++ b/Documentation/devicetree/bindings/soc/samsung/exynos-usi.yaml
@@ -73,7 +73,7 @@ patternProperties:
     description: Child node describing underlying UART/serial
 
   "^spi@[0-9a-f]+$":
-    type: object
+    $ref: /schemas/spi/samsung,spi.yaml
     description: Child node describing underlying SPI
 
 required:
-- 
2.32.0